DoEasy. Funciones de servicio (Parte 2): Patrón "Barra interior"
MetaTrader 5
—
Ejemplos
| 18 septiembre 2024, 10:06
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Contenido
- Concepto
- Mejorando las clases de la biblioteca
- Clase de elemento gráfico "Dibujo"
- Clase de patrón "Barra interior"
- Simulación
- ¿Qué es lo próximo?
Concepto
Continuamos desarrollando patrones formados con los datos de las series temporales. En el primer artículo de la serie sobre patrones, creamos un conjunto de herramientas para buscar y mostrar varios patrones, y también creamos la funcionalidad necesaria para buscar el patrón "Pin Bar" de las formaciones Price Action. En este artículo continuaremos desarrollando y mejorando la funcionalidad para buscar varios patrones en los gráficos de precios y crearemos la búsqueda de patrones Price Action "Barra Interior" (Inside Bar).
Mientras que el patrón "Pin Bar" supone la formación de una barra y se busca según las proporciones de una barra, "Barra interior" supone la formación de dos barras que consta de dos barras: la barra madre (la barra de la izquierda) y la barra definidora (la barra de la derecha):
Para encontrar este tipo de formaciones, no basta con comparar las proporciones de una sola barra: aquí hay que comparar las dos barras próximas. Además, tales formaciones pueden ir en fila, y entonces la barra madre será una para todas las formaciones anidadas, y estará la más a la izquierda, mientras que las barras definidoras serán muchas, es decir, cada barra a la derecha de cada formación anidada. La barra situada más a la derecha será la última de las barras definitorias de toda la formación anidada. Para buscar este tipo de estructuras, debemos escribir una función universal y añadir una propiedad más al conjunto de propiedades del patrón: la hora de apertura de la barra madre. Según la diferencia en las horas de apertura de las barras madre y definidora, podemos determinar el número de barras incluidos en toda la formación anidada. Esto resulta útil a la hora de dibujar marcas de patrones en el gráfico. Es decir, además de poder marcar cada pauta con un simple punto en el gráfico, posibilitaremos la indicación visual de la pauta enmarcando las barras incluidas en la formación. Y, en consecuencia, haremos posible elegir entre las formas de mostrar los patrones en el gráfico.
Además, la funcionalidad creada hoy nos ayudará a crear otros tipos de patrones.
Mejorando las clases de la biblioteca
Antes de comenzar a escribir los códigos para el siguiente patrón, finalizaremos los archivos y clases de la biblioteca que ya están listos.
En el archivo \MQL5\Include\DoEasy\Defines.mqh , añadimos un objeto con el tipo "picture" a la lista de tipos de objetos de la biblioteca:
//+------------------------------------------------------------------+ //| List of library object types | //+------------------------------------------------------------------+ enum ENUM_OBJECT_DE_TYPE { //--- Graphics OBJECT_DE_TYPE_GBASE = COLLECTION_ID_LIST_END+1, // "Base object of all library graphical objects" object type OBJECT_DE_TYPE_GELEMENT, // "Graphical element" object type OBJECT_DE_TYPE_GFORM, // Form object type OBJECT_DE_TYPE_GFORM_CONTROL, // "Form for managing pivot points of graphical object" object type OBJECT_DE_TYPE_GSHADOW, // Shadow object type OBJECT_DE_TYPE_GGLARE, // Glare object type OBJECT_DE_TYPE_GBITMAP, // Bitmap object type //--- WinForms OBJECT_DE_TYPE_GWF_BASE, // WinForms Base object type (base abstract WinForms object) OBJECT_DE_TYPE_GWF_CONTAINER, // WinForms container object type OBJECT_DE_TYPE_GWF_COMMON, // WinForms standard control object type OBJECT_DE_TYPE_GWF_HELPER, // WinForms auxiliary control object type //--- Animation //--- ... //---...
Los objetos con el tipo OBJ_BITMAP nos permiten adjuntarle un recurso bmp y dibujar varias primitivas sobre él. Dicho objeto está vinculado a la hora de la barra y al precio. Los utilizaremos para delinear barras de patrón con un marco.
Además de objetos de patrón que almacenan las horas de las barras en las que se forman, también añadiremos al objeto de barra de la biblioteca los tipos de patrones que se han encontrado en ella. Como los tipos de patrones son banderas de bits, en una variable pueden almacenarse muchos tipos de patrones diferentes y, además, del valor de esta variable siempre puede extraerse el tipo y, por tanto, el nombre de todos los patrones que se encuentran en una barra.
Esto resulta cómodo cuando buscamos un patrón con el que trabajar desde un programa de usuario: obtenemos un objeto de barra, comprobamos los tipos de patrones que se encuentran en él, y trabajamos exactamente con aquellos cuyas banderas se escriban en la variable.
A las propiedades enteras del objeto, añadimos una propiedad más y aumentamos el número de propiedades enteras del objeto de barra de 13 a 14:
//+------------------------------------------------------------------+ //| Bar integer properties | //+------------------------------------------------------------------+ enum ENUM_BAR_PROP_INTEGER { BAR_PROP_TIME = 0, // Bar period start time BAR_PROP_TYPE, // Bar type (from the ENUM_BAR_BODY_TYPE enumeration) BAR_PROP_PERIOD, // Bar period (timeframe) BAR_PROP_SPREAD, // Bar spread BAR_PROP_VOLUME_TICK, // Bar tick volume BAR_PROP_VOLUME_REAL, // Bar exchange volume BAR_PROP_TIME_DAY_OF_YEAR, // Bar day serial number in a year BAR_PROP_TIME_YEAR, // A year the bar belongs to BAR_PROP_TIME_MONTH, // A month the bar belongs to BAR_PROP_TIME_DAY_OF_WEEK, // Bar week day BAR_PROP_TIME_DAY, // Bar day of month (number) BAR_PROP_TIME_HOUR, // Bar hour BAR_PROP_TIME_MINUTE, // Bar minute BAR_PROP_PATTERNS_TYPE, // Pattern types on the bar (pattern flags from the ENUM_PATTERN_TYPE enumeration) }; #define BAR_PROP_INTEGER_TOTAL (14) // Total number of integer bar properties
Cuando busquemos patrones en listas de series temporales y encontremos un patrón en una barra, añadiremos el tipo del patrón encontrado a esta variable en este objeto de barra. Como resultado de la búsqueda de diferentes tipos de patrones, las banderas de los diferentes tipos de patrones encontrados podrán registrarse en una barra de esta variable.
En la lista de posibles criterios para clasificar los objetos de barra, incluimos la clasificación según el tipo de patrones de la barra:
//+------------------------------------------------------------------+ //| Possible bar sorting criteria | //+------------------------------------------------------------------+ #define FIRST_BAR_DBL_PROP (BAR_PROP_INTEGER_TOTAL-BAR_PROP_INTEGER_SKIP) #define FIRST_BAR_STR_PROP (BAR_PROP_INTEGER_TOTAL-BAR_PROP_INTEGER_SKIP+BAR_PROP_DOUBLE_TOTAL-BAR_PROP_DOUBLE_SKIP) enum ENUM_SORT_BAR_MODE { //--- Sort by integer properties SORT_BY_BAR_TIME = 0, // Sort by bar period start time SORT_BY_BAR_TYPE, // Sort by bar type (from the ENUM_BAR_BODY_TYPE enumeration) SORT_BY_BAR_PERIOD, // Sort by bar period (timeframe) SORT_BY_BAR_SPREAD, // Sort by bar spread SORT_BY_BAR_VOLUME_TICK, // Sort by bar tick volume SORT_BY_BAR_VOLUME_REAL, // Sort by bar exchange volume SORT_BY_BAR_TIME_DAY_OF_YEAR, // Sort by bar day number in a year SORT_BY_BAR_TIME_YEAR, // Sort by a year the bar belongs to SORT_BY_BAR_TIME_MONTH, // Sort by a month the bar belongs to SORT_BY_BAR_TIME_DAY_OF_WEEK, // Sort by a bar week day SORT_BY_BAR_TIME_DAY, // Sort by a bar day SORT_BY_BAR_TIME_HOUR, // Sort by a bar hour SORT_BY_BAR_TIME_MINUTE, // Sort by a bar minute SORT_BY_BAR_PATTERN_TYPE, // Sort by pattern types on the bar (pattern flags from the ENUM_PATTERN_TYPE enumeration) //--- Sort by real properties SORT_BY_BAR_OPEN = FIRST_BAR_DBL_PROP, // Sort by bar open price SORT_BY_BAR_HIGH, // Sort by the highest price for the bar period SORT_BY_BAR_LOW, // Sort by the lowest price for the bar period SORT_BY_BAR_CLOSE, // Sort by a bar close price SORT_BY_BAR_CANDLE_SIZE, // Sort by a candle price SORT_BY_BAR_CANDLE_SIZE_BODY, // Sort by a candle body size SORT_BY_BAR_CANDLE_BODY_TOP, // Sort by a candle body top SORT_BY_BAR_CANDLE_BODY_BOTTOM, // Sort by a candle body bottom SORT_BY_BAR_CANDLE_SIZE_SHADOW_UP, // Sort by candle upper wick size SORT_BY_BAR_CANDLE_SIZE_SHADOW_DOWN, // Sort by candle lower wick size //--- Sort by string properties SORT_BY_BAR_SYMBOL = FIRST_BAR_STR_PROP, // Sort by a bar symbol };
Antes, el listado de tipos de patrón para el patrón "Harami" tenía un valor 0, y eso no es del todo correcto. Al fin y al cabo, resulta mejor que el cero indique que no hay patrones en la barra.
Vamos a corregir la situación y añadir una macrosustitución que indique el número total de patrones disponibles para buscar en la biblioteca:
//+------------------------------------------------------------------+ //| Pattern type | //+------------------------------------------------------------------+ enum ENUM_PATTERN_TYPE { //--- Candle formations PATTERN_TYPE_NONE = 0x0, // None PATTERN_TYPE_HARAMI = 0x1, // Harami PATTERN_TYPE_HARAMI_CROSS = 0x2, // Harami Cross PATTERN_TYPE_TWEEZER = 0x4, // Tweezer PATTERN_TYPE_PIERCING_LINE = 0x8, // Piercing Line PATTERN_TYPE_DARK_CLOUD_COVER = 0x10, // Dark Cloud Cover PATTERN_TYPE_THREE_WHITE_SOLDIERS= 0x20, // Three White Soldiers PATTERN_TYPE_THREE_BLACK_CROWS = 0x40, // Three Black Crows PATTERN_TYPE_SHOOTING_STAR = 0x80, // Shooting Star PATTERN_TYPE_HAMMER = 0x100, // Hammer PATTERN_TYPE_INVERTED_HAMMER = 0x200, // Inverted Hammer PATTERN_TYPE_HANGING_MAN = 0x400, // Hanging Man PATTERN_TYPE_DOJI = 0x800, // Doji PATTERN_TYPE_DRAGONFLY_DOJI = 0x1000, // Dragonfly Doji PATTERN_TYPE_GRAVESTONE_DOJI = 0x2000, // Gravestone Doji PATTERN_TYPE_MORNING_STAR = 0x4000, // Morning Star PATTERN_TYPE_MORNING_DOJI_STAR = 0x8000, // Morning Doji Star PATTERN_TYPE_EVENING_STAR = 0x10000, // Evening Star PATTERN_TYPE_EVENING_DOJI_STAR = 0x20000, // Evening Doji Star PATTERN_TYPE_THREE_STARS = 0x40000, // Three Stars PATTERN_TYPE_ABANDONED_BABY = 0x80000, // Abandoned Baby //--- Price Action PATTERN_TYPE_PIVOT_POINT_REVERSAL= 0x100000, // Price Action Reversal Pattern PATTERN_TYPE_OUTSIDE_BAR = 0x200000, // Price Action Outside Bar PATTERN_TYPE_INSIDE_BAR = 0x400000, // Price Action Inside Bar PATTERN_TYPE_PIN_BAR = 0x800000, // Price Action Pin Bar PATTERN_TYPE_RAILS = 0x1000000, // Price Action Rails }; #define PATTERNS_TOTAL (26) // Total number of patterns (including the missing one)
A la lista de propiedades enteras del patrón, añadimos una nueva propiedad que almacena la hora de la barra madre y aumentamos el número de propiedades enteras del patrón de 9 a 10:
//+------------------------------------------------------------------+ //| Pattern integer properties | //+------------------------------------------------------------------+ enum ENUM_PATTERN_PROP_INTEGER { PATTERN_PROP_CODE = 0, // Unique pattern code (time + type + status + direction + timeframe + symbol) PATTERN_PROP_CTRL_OBJ_ID, // Pattern control object ID PATTERN_PROP_ID, // Pattern ID PATTERN_PROP_TIME, // Pattern defining bar time PATTERN_PROP_MOTHERBAR_TIME, // Pattern mother bar time PATTERN_PROP_STATUS, // Pattern status (from the ENUM_PATTERN_STATUS enumeration) PATTERN_PROP_TYPE, // Pattern type (from the ENUM_PATTERN_TYPE enumeration) PATTERN_PROP_DIRECTION, // Pattern type by direction (from the ENUM_PATTERN_TYPE_DIRECTION enumeration) PATTERN_PROP_PERIOD, // Pattern period (timeframe) PATTERN_PROP_CANDLES, // Number of candles that make up the pattern }; #define PATTERN_PROP_INTEGER_TOTAL (10) // Total number of integer pattern properties
Asimismo, añadimos la clasificación según la nueva propiedad a la lista de posibles criterios de clasificación de los patrones:
//+------------------------------------------------------------------+ //| Possible pattern sorting criteria | //+------------------------------------------------------------------+ #define FIRST_PATTERN_DBL_PROP (PATTERN_PROP_INTEGER_TOTAL-PATTERN_PROP_INTEGER_SKIP) #define FIRST_PATTERN_STR_PROP (PATTERN_PROP_INTEGER_TOTAL-PATTERN_PROP_INTEGER_SKIP+PATTERN_PROP_DOUBLE_TOTAL-PATTERN_PROP_DOUBLE_SKIP) enum ENUM_SORT_PATTERN_MODE { //--- Sort by integer properties SORT_BY_PATTERN_CODE = 0, // Sort by unique pattern code (time + type + status + direction + timeframe) SORT_BY_PATTERN_CTRL_OBJ_ID, // Sort by pattern control object ID SORT_BY_PATTERN_ID, // Sort by pattern ID SORT_BY_PATTERN_TIME, // Sort by pattern defining bar time SORT_BY_PATTERN_MOTHERBAR_TIME, // Sort by pattern mother bar time SORT_BY_PATTERN_STATUS, // Sort by pattern status (from the ENUM_PATTERN_STATUS enumeration) SORT_BY_PATTERN_TYPE, // Sort by pattern type (from the ENUM_PATTERN_TYPE enumeration) SORT_BY_PATTERN_DIRECTION, // Sort by pattern type based on direction (from the ENUM_PATTERN_TYPE_DIRECTION enumeration) SORT_BY_PATTERN_PERIOD, // Sort by pattern period (timeframe) SORT_BY_PATTERN_CANDLES, // Sort by the number of candles that make up the pattern //--- Sort by real properties SORT_BY_PATTERN_BAR_PRICE_OPEN = FIRST_PATTERN_DBL_PROP, // Sort by pattern defining bar Open price SORT_BY_PATTERN_BAR_PRICE_HIGH, // Sort by pattern defining bar High price SORT_BY_PATTERN_BAR_PRICE_LOW, // Sort by pattern defining bar Low price SORT_BY_PATTERN_BAR_PRICE_CLOSE, // Sort by pattern defining bar Close price SORT_BY_PATTERN_RATIO_BODY_TO_CANDLE_SIZE, // Sort by percentage ratio of the candle body to the full size of the candle SORT_BY_PATTERN_RATIO_UPPER_SHADOW_TO_CANDLE_SIZE, // Sort by percentage ratio of the upper shadow size to the candle size SORT_BY_PATTERN_RATIO_LOWER_SHADOW_TO_CANDLE_SIZE, // Sort by percentage ratio of the lower shadow size to the candle size SORT_BY_PATTERN_RATIO_BODY_TO_CANDLE_SIZE_CRITERION, // Sort by defined criterion of the ratio of the candle body to the full candle size in % SORT_BY_PATTERN_RATIO_LARGER_SHADOW_TO_CANDLE_SIZE_CRITERION, // Sort by defined criterion of the ratio of the maximum shadow to the candle size in % SORT_BY_PATTERN_RATIO_SMALLER_SHADOW_TO_CANDLE_SIZE_CRITERION, // Sort by defined criterion of the ratio of the minimum shadow to the candle size in % //--- Sort by string properties SORT_BY_PATTERN_SYMBOL = FIRST_BAR_STR_PROP, // Sort by a pattern symbol SORT_BY_PATTERN_NAME, // Sort by pattern name };
Asimismo, añadimos el nuevo tipo, el objeto de dibujo, a la lista de tipos de elementos gráficos:
//+------------------------------------------------------------------+ //| The list of graphical element types | //+------------------------------------------------------------------+ enum ENUM_GRAPH_ELEMENT_TYPE { GRAPH_ELEMENT_TYPE_STANDARD, // Standard graphical object GRAPH_ELEMENT_TYPE_STANDARD_EXTENDED, // Extended standard graphical object GRAPH_ELEMENT_TYPE_SHADOW_OBJ, // Shadow object GRAPH_ELEMENT_TYPE_ELEMENT, // Element GRAPH_ELEMENT_TYPE_BITMAP, // Bitmap GRAPH_ELEMENT_TYPE_FORM, // Form GRAPH_ELEMENT_TYPE_WINDOW, // Window //--- WinForms GRAPH_ELEMENT_TYPE_WF_UNDERLAY, // Panel object underlay GRAPH_ELEMENT_TYPE_WF_BASE, // Windows Forms Base //--- 'Container' object types are to be set below GRAPH_ELEMENT_TYPE_WF_CONTAINER, // Windows Forms container base object GRAPH_ELEMENT_TYPE_WF_PANEL, // Windows Forms Panel GRAPH_ELEMENT_TYPE_WF_GROUPBOX, // Windows Forms GroupBox GRAPH_ELEMENT_TYPE_WF_TAB_CONTROL, // Windows Forms TabControl GRAPH_ELEMENT_TYPE_WF_SPLIT_CONTAINER, // Windows Forms SplitContainer //--- 'Standard control' object types are to be set below GRAPH_ELEMENT_TYPE_WF_COMMON_BASE, // Windows Forms base standard control GRAPH_ELEMENT_TYPE_WF_LABEL, // Windows Forms Label GRAPH_ELEMENT_TYPE_WF_BUTTON, // Windows Forms Button GRAPH_ELEMENT_TYPE_WF_CHECKBOX, // Windows Forms CheckBox GRAPH_ELEMENT_TYPE_WF_RADIOBUTTON, // Windows Forms RadioButton GRAPH_ELEMENT_TYPE_WF_ELEMENTS_LIST_BOX, // Base list object of Windows Forms elements GRAPH_ELEMENT_TYPE_WF_LIST_BOX, // Windows Forms ListBox GRAPH_ELEMENT_TYPE_WF_CHECKED_LIST_BOX, // Windows Forms CheckedListBox GRAPH_ELEMENT_TYPE_WF_BUTTON_LIST_BOX, // Windows Forms ButtonListBox GRAPH_ELEMENT_TYPE_WF_TOOLTIP, // Windows Forms ToolTip GRAPH_ELEMENT_TYPE_WF_PROGRESS_BAR, // Windows Forms ProgressBar //--- Auxiliary elements of WinForms objects GRAPH_ELEMENT_TYPE_WF_LIST_BOX_ITEM, // Windows Forms ListBoxItem GRAPH_ELEMENT_TYPE_WF_TAB_HEADER, // Windows Forms TabHeader GRAPH_ELEMENT_TYPE_WF_TAB_FIELD, // Windows Forms TabField GRAPH_ELEMENT_TYPE_WF_SPLIT_CONTAINER_PANEL, // Windows Forms SplitContainerPanel GRAPH_ELEMENT_TYPE_WF_ARROW_BUTTON, // Windows Forms ArrowButton GRAPH_ELEMENT_TYPE_WF_ARROW_BUTTON_UP, // Windows Forms UpArrowButton GRAPH_ELEMENT_TYPE_WF_ARROW_BUTTON_DOWN, // Windows Forms DownArrowButton GRAPH_ELEMENT_TYPE_WF_ARROW_BUTTON_LEFT, // Windows Forms LeftArrowButton GRAPH_ELEMENT_TYPE_WF_ARROW_BUTTON_RIGHT, // Windows Forms RightArrowButton GRAPH_ELEMENT_TYPE_WF_ARROW_BUTTONS_UD_BOX, // Windows Forms UpDownArrowButtonsBox GRAPH_ELEMENT_TYPE_WF_ARROW_BUTTONS_LR_BOX, // Windows Forms LeftRightArrowButtonsBox GRAPH_ELEMENT_TYPE_WF_SPLITTER, // Windows Forms Splitter GRAPH_ELEMENT_TYPE_WF_HINT_BASE, // Windows Forms HintBase GRAPH_ELEMENT_TYPE_WF_HINT_MOVE_LEFT, // Windows Forms HintMoveLeft GRAPH_ELEMENT_TYPE_WF_HINT_MOVE_RIGHT, // Windows Forms HintMoveRight GRAPH_ELEMENT_TYPE_WF_HINT_MOVE_UP, // Windows Forms HintMoveUp GRAPH_ELEMENT_TYPE_WF_HINT_MOVE_DOWN, // Windows Forms HintMoveDown GRAPH_ELEMENT_TYPE_WF_BAR_PROGRESS_BAR, // Windows Forms BarProgressBar GRAPH_ELEMENT_TYPE_WF_GLARE_OBJ, // Glare object GRAPH_ELEMENT_TYPE_WF_SCROLL_BAR_THUMB, // Windows Forms ScrollBarThumb GRAPH_ELEMENT_TYPE_WF_SCROLL_BAR, // Windows Forms ScrollBar GRAPH_ELEMENT_TYPE_WF_SCROLL_BAR_HORISONTAL, // Windows Forms ScrollBarHorisontal GRAPH_ELEMENT_TYPE_WF_SCROLL_BAR_VERTICAL, // Windows Forms ScrollBarVertical };Se trata de un nuevo tipo de objeto gráfico para la biblioteca, vinculado a las coordenadas de precio/hora, que permite dibujar sobre él de la misma forma que sobre los elementos de GUI de la biblioteca. Esta es la razón por la que lo hemos añadido a esta lista: se puede utilizar para otras necesidades de la biblioteca, salvo para dibujar barras de patrones en el gráfico de precios.
En el archivo de la biblioteca \MQL5\Include\DoEasy\Data.mqh , escribimos los índices de los nuevos mensajes de la biblioteca:
//+------------------------------------------------------------------+ //| List of the library's text message indices | //+------------------------------------------------------------------+ enum ENUM_MESSAGES_LIB { MSG_LIB_PARAMS_LIST_BEG=ERR_USER_ERROR_FIRST, // Beginning of the parameter list MSG_LIB_PARAMS_LIST_END, // End of the parameter list MSG_LIB_PROP_NOT_SUPPORTED, // Property not supported MSG_LIB_PROP_NOT_SUPPORTED_MQL4, // Property not supported in MQL4 MSG_LIB_PROP_NOT_SUPPORTED_MT5_LESS_2155, // Property not supported in MetaTrader 5 versions lower than 2155 MSG_LIB_PROP_NOT_SUPPORTED_MT5_LESS_3245, // Property not supported in MetaTrader 5 versions lower than 3245 MSG_LIB_PROP_NOT_SUPPORTED_MT5_LESS_3260, // Property not supported in MetaTrader 5 versions lower than 3260 MSG_LIB_PROP_NOT_SUPPORTED_POSITION, // Property not supported for position MSG_LIB_PROP_NOT_SUPPORTED_PENDING, // Property not supported for pending order MSG_LIB_PROP_NOT_SUPPORTED_MARKET, // Property not supported for market order MSG_LIB_PROP_NOT_SUPPORTED_MARKET_HIST, // Property not supported for historical market order MSG_LIB_PROP_NOT_SET, // Value not set MSG_LIB_PROP_EMPTY, // Not set MSG_LIB_PROP_NOT_FOUND, // Not found MSG_LIB_PROP_AUTO, // Generated by the terminal MSG_LIB_PROP_AS_IN_ORDER, // According to the order expiration mode
...
MSG_LIB_TEXT_BAR_RATIO_BODY_TO_CANDLE_SIZE, // Ratio of the candle body to the full size of the candle MSG_LIB_TEXT_BAR_RATIO_UPPER_SHADOW_TO_CANDLE_SIZE,// Ratio of the upper shadow size to the candle size MSG_LIB_TEXT_BAR_RATIO_LOWER_SHADOW_TO_CANDLE_SIZE,// Ratio of the lower shadow size to the candle size MSG_LIB_TEXT_BAR_PATTERNS_TYPE, // Types of patterns on the bar //--- CTimeSeries
...
//--- CPattern MSG_LIB_TEXT_PATTERN_CODE, // Code MSG_LIB_TEXT_PATTERN_TIME, // Defining bar time MSG_LIB_TEXT_PATTERN_MOTHERBAR_TIME, // "Mother" bar time MSG_LIB_TEXT_PATTERN_ID, // Pattern ID MSG_LIB_TEXT_PATTERN_CTRL_OBJ_ID, // Pattern control object ID
...
MSG_GRAPH_ELEMENT_TYPE_STANDARD_EXTENDED, // Extended standard graphical object MSG_GRAPH_ELEMENT_TYPE_ELEMENT, // Element MSG_GRAPH_ELEMENT_TYPE_BITMAP, // Bitmap MSG_GRAPH_ELEMENT_TYPE_SHADOW_OBJ, // Shadow object MSG_GRAPH_ELEMENT_TYPE_FORM, // Form
...
//--- String properties of graphical elements MSG_CANV_ELEMENT_PROP_NAME_OBJ, // Graphical element object name MSG_CANV_ELEMENT_PROP_NAME_RES, // Graphical resource name MSG_CANV_ELEMENT_PROP_TEXT, // Graphical element text MSG_CANV_ELEMENT_PROP_DESCRIPTION, // Graphical element description MSG_CANV_ELEMENT_PROP_TOOLTIP_TITLE, // Element tooltip title MSG_CANV_ELEMENT_PROP_TOOLTIP_TEXT, // Element tooltip text //--- CGCnvBitmap MSG_ERR_FAILED_SET_BITMAP_OBJ_TIME, // Failed to set the time value to the Bitmap object MSG_ERR_FAILED_SET_BITMAP_OBJ_PRICE, // Failed to set the price value for the Bitmap object };
y los mensajes de texto correspondientes a los nuevos índices añadidos:
string messages_library[][TOTAL_LANG]= { {"Начало списка параметров","The beginning of the parameter list"}, {"Конец списка параметров","End of parameter list"}, {"Свойство не поддерживается","Property not supported"}, {"Свойство не поддерживается в MQL4","Property not supported in MQL4"}, {"Свойство не поддерживается в MetaTrader5 версии ниже 2155","The property is not supported in MetaTrader5, build lower than 2155"}, {"Свойство не поддерживается в MetaTrader5 версии ниже 3245","The property is not supported in MetaTrader5, build lower than 3245"}, {"Свойство не поддерживается в MetaTrader5 версии ниже 3260","The property is not supported in MetaTrader5, build lower than 3260"}, {"Свойство не поддерживается у позиции","Property not supported for position"}, {"Свойство не поддерживается у отложенного ордера","The property is not supported for a pending order"}, {"Свойство не поддерживается у маркет-ордера","The property is not supported for a market-order"}, {"Свойство не поддерживается у исторического маркет-ордера","The property is not supported for a history market-order"}, {"Значение не задано","Value not set"}, {"Отсутствует","Not set"}, {"Не найдено","Not found"}, {"Формируется терминалом","Formed by the terminal"}, {"В соответствии с режимом истечения ордера","In accordance with the order expiration mode"},
...
{"Отношение тела свечи к полному размеру свечи","Ratio of candle body to full candle size"},
{"Отношение размера верхней тени к размеру свечи","Ratio of the upper shadow size to the candle size"},
{"Отношение размера нижней тени к размеру свечи","Ratio of the lower shadow size to the candle size"},
{"Типы паттернов на баре","Types of patterns on the bar"},
//--- CTimeSeries
...
//--- CPattern {"Код","Code"}, {"Время определяющего бара","Time of the defining bar"}, {"Время \"материнского\" бара","Time open of the mother bar"}, {"Идентификатор паттерна","Pattern ID"}, {"Идентификатор объекта управления паттерном","Pattern Control object ID"},
...
{"Расширенный стандартный графический объект","Extended standard graphic object"},
{"Элемент","Element"},
{"Рисунок","Bitmap"},
{"Объект тени","Shadow object"},
{"Форма","Form"},
...
//--- String properties of graphical elements {"Имя объекта-графического элемента","The name of the graphic element object"}, {"Имя графического ресурса","Image resource name"}, {"Текст графического элемента","Text of the graphic element"}, {"Описание графического элемента","Description of the graphic element"}, {"Заголовок подсказки элемента","Element tooltip header"}, {"Текст подсказки элемента","Element tooltip title"}, //--- CGCnvBitmap {"Не удалось установить значение времени Bitmap-объекту","Failed to set time value to Bitmap object"}, {"Не удалось установить значение цены Bitmap-объекту","Failed to set price value to Bitmap object"}, };
Con frecuencia, resulta necesario comprobar que los valores del símbolo y el periodo del gráfico transmitidos a las funciones y métodos sean correctos. Para evitar escribir el mismo código repetitivo en esos lugares, escribiremos funciones en el archivo \MQL5\Include\DoEasy\Services\DELib.mqh que retornen el nombre correcto del símbolo y el valor del periodo gráfico:
//+------------------------------------------------------------------+ //| Service functions | //+------------------------------------------------------------------+ //+------------------------------------------------------------------+ //| Correct and return a symbol name | //+------------------------------------------------------------------+ string CorrectSymbol(const string symbol) { return(symbol==NULL || symbol=="" ? ::Symbol() : symbol); } //+------------------------------------------------------------------+ //| Correct and return a timeframe name | //+------------------------------------------------------------------+ ENUM_TIMEFRAMES CorrectTimeframe(const ENUM_TIMEFRAMES timeframe) { return(timeframe==PERIOD_CURRENT ? ::Period() : timeframe); }
Si transmitimos los valores NULL o una cadena vacía como nombre del símbolo, o bien 0, o PERIOD_CURRENT como valor del periodo del gráfico, las funciones retornarán el símbolo o periodo actual. En cualquier otro caso, los valores se transmitirán a la función. Así, iremos sustituyendo gradualmente con estas funciones todos los códigos de la biblioteca donde se realizan comprobaciones similares sobre la corrección de los valores transmitidos a los métodos.
Aquí también añadiremos las funciones que retornan las descripciones de patrones:
//+------------------------------------------------------------------+ //| Return pattern type description | //+------------------------------------------------------------------+ string PatternTypeDescription(const ENUM_PATTERN_TYPE type) { switch(type) { case PATTERN_TYPE_HARAMI : return CMessage::Text(MSG_LIB_TEXT_PATTERN_TYPE_HARAMI); case PATTERN_TYPE_HARAMI_CROSS : return CMessage::Text(MSG_LIB_TEXT_PATTERN_TYPE_HARAMI_CROSS); case PATTERN_TYPE_TWEEZER : return CMessage::Text(MSG_LIB_TEXT_PATTERN_TYPE_TWEEZER); case PATTERN_TYPE_PIERCING_LINE : return CMessage::Text(MSG_LIB_TEXT_PATTERN_TYPE_PIERCING_LINE); case PATTERN_TYPE_DARK_CLOUD_COVER : return CMessage::Text(MSG_LIB_TEXT_PATTERN_TYPE_DARK_CLOUD_COVER); case PATTERN_TYPE_THREE_WHITE_SOLDIERS : return CMessage::Text(MSG_LIB_TEXT_PATTERN_TYPE_THREE_WHITE_SOLDIERS); case PATTERN_TYPE_THREE_BLACK_CROWS : return CMessage::Text(MSG_LIB_TEXT_PATTERN_TYPE_THREE_BLACK_CROWS); case PATTERN_TYPE_SHOOTING_STAR : return CMessage::Text(MSG_LIB_TEXT_PATTERN_TYPE_SHOOTING_STAR); case PATTERN_TYPE_HAMMER : return CMessage::Text(MSG_LIB_TEXT_PATTERN_TYPE_HAMMER); case PATTERN_TYPE_INVERTED_HAMMER : return CMessage::Text(MSG_LIB_TEXT_PATTERN_TYPE_INVERTED_HAMMER); case PATTERN_TYPE_HANGING_MAN : return CMessage::Text(MSG_LIB_TEXT_PATTERN_TYPE_HANGING_MAN); case PATTERN_TYPE_DOJI : return CMessage::Text(MSG_LIB_TEXT_PATTERN_TYPE_DOJI); case PATTERN_TYPE_DRAGONFLY_DOJI : return CMessage::Text(MSG_LIB_TEXT_PATTERN_TYPE_DRAGONFLY_DOJI); case PATTERN_TYPE_GRAVESTONE_DOJI : return CMessage::Text(MSG_LIB_TEXT_PATTERN_TYPE_GRAVESTONE_DOJI); case PATTERN_TYPE_MORNING_STAR : return CMessage::Text(MSG_LIB_TEXT_PATTERN_TYPE_MORNING_STAR); case PATTERN_TYPE_MORNING_DOJI_STAR : return CMessage::Text(MSG_LIB_TEXT_PATTERN_TYPE_MORNING_DOJI_STAR); case PATTERN_TYPE_EVENING_STAR : return CMessage::Text(MSG_LIB_TEXT_PATTERN_TYPE_EVENING_STAR); case PATTERN_TYPE_EVENING_DOJI_STAR : return CMessage::Text(MSG_LIB_TEXT_PATTERN_TYPE_EVENING_DOJI_STAR); case PATTERN_TYPE_THREE_STARS : return CMessage::Text(MSG_LIB_TEXT_PATTERN_TYPE_THREE_STARS); case PATTERN_TYPE_ABANDONED_BABY : return CMessage::Text(MSG_LIB_TEXT_PATTERN_TYPE_ABANDONED_BABY); case PATTERN_TYPE_PIVOT_POINT_REVERSAL : return CMessage::Text(MSG_LIB_TEXT_PATTERN_TYPE_PIVOT_POINT_REVERSAL); case PATTERN_TYPE_OUTSIDE_BAR : return CMessage::Text(MSG_LIB_TEXT_PATTERN_TYPE_OUTSIDE_BAR); case PATTERN_TYPE_INSIDE_BAR : return CMessage::Text(MSG_LIB_TEXT_PATTERN_TYPE_INSIDE_BAR); case PATTERN_TYPE_PIN_BAR : return CMessage::Text(MSG_LIB_TEXT_PATTERN_TYPE_PIN_BAR); case PATTERN_TYPE_RAILS : return CMessage::Text(MSG_LIB_TEXT_PATTERN_TYPE_RAILS); default : return CMessage::Text(MSG_LIB_TEXT_FRAME_STYLE_NONE); } }
Dependiendo del tipo de patrón transmitido a la función, se retornará la descripción de texto correspondiente.
Función que retorna el número y la lista de patrones en una variable ulong:
//+------------------------------------------------------------------+ //| Return the number and list of patterns in the ulong variable | //+------------------------------------------------------------------+ int ListPatternsInVar(const ulong var,ulong &array[]) { int size=0; ulong x=1; //--- In the loop from 1 to the number of patterns PATTERNS_TOTAL-1 for(int i=1;i<PATTERNS_TOTAL;i++) { //--- set the value of the pattern flag to be checked from the ENUM_PATTERN_TYPE enumeration by the loop index x=(i>1 ? x*2 : 1); ENUM_PATTERN_TYPE type=(ENUM_PATTERN_TYPE)x; //--- If the value passed to the function contains the pattern flag with x value, bool res=(var & type)==type; if(res) { //--- increase the size of the pattern array size++; ArrayResize(array,size,PATTERNS_TOTAL-1); //--- write the pattern type to the array array[size-1]=type; } } //--- Return the number of pattern types stored in the variable return size; }
A la función se le transmite una variable que contiene las banderas de patrón y un array en el que se escribirán los tipos de patrón extraídos de esta variable. Como cada bandera es el doble de grande que la anterior, resulta sencillo generar en un ciclo un valor de bandera a partir del valor del índice del ciclo, y luego ver si existe tal bandera en el valor de la variable. Si dicha bandera se escribe en una variable, el tipo de patrón se escribirá en el array, previamente incrementado en 1 para escribir en él el nuevo tipo de patrón. Al final del ciclo sobre los tipos de patrones, todos los patrones escritos en la variable como banderas se colocarán en un array que podremos utilizar en el programa.
Función que envía al registro una descripción de los tipos de patrón en una variable ulong:
//+-------------------------------------------------------------------------+ //| Send a description of pattern types in a ulong variable to the journal | //+-------------------------------------------------------------------------+ void PatternsInVarDescriptionPrint(const ulong var,const bool dash=false) { ulong array[]; //--- Get the number of patterns in the value passed to the function int total=ListPatternsInVar(var,array); //--- In the loop by the array of patterns, obtain a description of the next pattern and print it for(int i=0;i<total;i++) Print((dash ? " - " : ""),PatternTypeDescription((ENUM_PATTERN_TYPE)array[i])); }
La lógica del método se detalla en los comentarios al código.
Función que retorna una descripción de los tipos de patrón en una variable ulong:
//+------------------------------------------------------------------+ //| Return a description of pattern types in a ulong variable | //+------------------------------------------------------------------+ string PatternsInVarDescription(const ulong var,const bool dash=false) { ulong array[]; //--- Get the number of patterns in the value passed to the function int total=ListPatternsInVar(var,array); string txt=""; //--- In the loop by the array of patterns, obtain a description of the next pattern and add it to the text variable for(int i=0;i<total;i++) txt+=((dash ? " - " : "")+PatternTypeDescription((ENUM_PATTERN_TYPE)array[i]))+(i<total-1 ? "\n" : ""); //--- Return the obtained text return txt; }
Podemos acceder a todas estas funciones desde cualquier punto del programa; las funciones permiten al usuario acceder fácilmente a listas de patrones detectados en una misma barra. La propiedad de barra tiene ahora una variable que almacena las banderas de los patrones encontrados, y según el valor de esta propiedad, utilizando estas funciones, siempre se pueden extraer todos los tipos de patrones en la barra y procesarlos en el programa, que es lo que haremos en el asesor experto de prueba.
La clase de objeto de elemento gráfico en el archivo \MQL5\Include\DoEasy\Objects\Graph\GCnvElement.mqh sirve como base para crear elementos de GUI más complejos, pero hay algunas variables en esta clase que no son accesibles desde las clases derivadas. Vamos a trasladar estas variables y métodos de la sección privada a la sección protegida:
//+------------------------------------------------------------------+ //| Class of the graphical element object | //+------------------------------------------------------------------+ class CGCnvElement : public CGBaseObj { protected: CGCnvElement *m_element_main; // Pointer to the initial parent element within all the groups of bound objects CGCnvElement *m_element_base; // Pointer to the parent element within related objects of the current group CCanvas m_canvas; // CCanvas class object CPause m_pause; // Pause class object bool m_shadow; // Shadow presence color m_chart_color_bg; // Chart background color uint m_duplicate_res[]; // Array for storing resource data copy color m_array_colors_bg[]; // Array of element background colors color m_array_colors_bg_dwn[]; // Array of control background colors when clicking on the control color m_array_colors_bg_ovr[]; // Array of control background colors when hovering the mouse over the control bool m_gradient_v; // Vertical gradient filling flag bool m_gradient_c; // Cyclic gradient filling flag int m_init_relative_x; // Initial relative X coordinate int m_init_relative_y; // Initial relative Y coordinate color m_array_colors_bg_init[]; // Array of element background colors (initial color) int m_shift_coord_x; // Offset of the X coordinate relative to the base object int m_shift_coord_y; // Offset of the Y coordinate relative to the base object //--- Create (1) the object structure and (2) the object from the structure
...
long m_long_prop[CANV_ELEMENT_PROP_INTEGER_TOTAL]; // Integer properties double m_double_prop[CANV_ELEMENT_PROP_DOUBLE_TOTAL]; // Real properties string m_string_prop[CANV_ELEMENT_PROP_STRING_TOTAL]; // String properties ENUM_FRAME_ANCHOR m_text_anchor; // Current text alignment int m_text_x; // Text last X coordinate int m_text_y; // Text last Y coordinate protected: //--- Initialize property values void Initialize(const ENUM_GRAPH_ELEMENT_TYPE element_type, const int element_id,const int element_num, const int x,const int y,const int w,const int h, const string descript,const bool movable,const bool activity); private: //--- Return the index of the array the order's (1) double and (2) string properties are located at
En la sección de métodos de trabajo con texto, escribiremos dos métodos para acceder a la configuración de las propiedades privadas de la clase:
//+------------------------------------------------------------------+ //| Methods of working with text | //+------------------------------------------------------------------+ //--- Set the last text coordinate (1) X, (2) Y void SetTextLastX(const int x) { this.m_text_x=x; } void SetTextLastY(const int y) { this.m_text_y=y; } //--- Return (1) alignment type (anchor method), the last (2) X and (3) Y text coordinate
Los métodos resultan útiles en el constructor de las clases heredadas, ya que colocar estas variables en la sección protegida de la clase implica retocar aún más otras clases. Por ahora, vamos a prescindir de estos métodos sin cambiar el nombre de las variables.
Hasta ahora, para construir controles gráficos, hemos utilizado objetos basados en OBJ_BITMAP_LABEL, el objeto "Etiqueta gráfica":
También podemos seleccionar el ángulo de ajuste de la etiqueta gráfica a partir de la enumeración ENUM_BASE_CORNER.
Estos objetos tienen coordenadas de pantalla en píxeles y resultan adecuados para crear controles gráficos.
Pero si necesitamos tener dicho objeto ligado a coordenadas de precio/tiempo, y al mismo tiempo utilizar exactamente las mismas posibilidades de dibujado tanto dentro del objeto como en el lienzo, entonces nos servirá de ayuda el objeto gráfico OBJ_BITMAP, el objeto "Dibujo":
Se trata exactamente del mismo objeto gráfico que puede utilizar como imagen un archivo de mapa de bits o un recurso creado dinámicamente en el que tiene lugar el dibujado.
Los métodos de la clase CCanvas permiten crear un objeto de dibujo. Por lo tanto, solo tenemos que crear una clase de objeto de dibujo basada en la clase de elemento gráfico. Con modificaciones mínimas.
Clase de elemento gráfico "Dibujo"
En la carpeta de la biblioteca \MQL5\Include\DoEasy\Objects\Graph\, creamos el nuevo archivo GCnvBitmap.mqh de la clase CGCnvBitmap.
La clase debe heredarse de la clase de elemento gráfico, cuyo archivo debe conectarse al archivo de clase creada:
//+------------------------------------------------------------------+ //| GCnvBitmap.mqh | //| Copyright 2024, MetaQuotes Ltd. | //| https://www.mql5.com | //+------------------------------------------------------------------+ #property copyright "Copyright 2024, MetaQuotes Ltd." #property link "https://www.mql5.com" #property version "1.00" #property strict // Necessary for mql4 //+------------------------------------------------------------------+ //| Include files | //+------------------------------------------------------------------+ #include "GCnvElement.mqh" //+------------------------------------------------------------------+ //| Class of the graphical element object | //+------------------------------------------------------------------+ class CGCnvBitmap : public CGCnvElement { }
En el cuerpo de la clase solo necesitamos algunas variables privadas y métodos para trabajar con ellas, un método virtual para crear un objeto y los constructores y destructores. Todo lo demás ya está implementado en la clase padre:
//+------------------------------------------------------------------+ //| Class of the graphical element object | //+------------------------------------------------------------------+ class CGCnvBitmap : public CGCnvElement { private: datetime m_time; // Time coordinate double m_price; // Price ccoordinate protected: //--- Protected constructor CGCnvBitmap(const ENUM_GRAPH_ELEMENT_TYPE element_type, CGCnvElement *main_obj,CGCnvElement *base_obj, const long chart_id, const int wnd_num, const string descript, const datetime time, const double price, const int w, const int h); public: //--- Create Bitmap virtual bool Create(const long chart_id, const int wnd_num, const int x, const int y, const int w, const int h, const bool redraw=false); //--- Parametric constructor CGCnvBitmap(const ENUM_GRAPH_ELEMENT_TYPE element_type, CGCnvElement *main_obj,CGCnvElement *base_obj, const int element_id, const int element_num, const long chart_id, const int wnd_num, const string descript, const datetime time, const double price, const int w, const int h, const color colour, const uchar opacity, const bool movable=false, const bool activity=true, const bool redraw=false); //--- Default constructor CGCnvBitmap() { this.m_shadow=false; this.m_chart_color_bg=(color)::ChartGetInteger(::ChartID(),CHART_COLOR_BACKGROUND); this.m_type=OBJECT_DE_TYPE_GBITMAP; this.m_element_main=NULL; this.m_element_base=NULL; this.m_shift_coord_x=0; this.m_shift_coord_y=0; } //--- Destructor ~CGCnvBitmap() { this.m_canvas.Destroy(); } //+------------------------------------------------------------------+ //| Methods of simplified access to object properties | //+------------------------------------------------------------------+ //--- Set the (1) time and (2) price coordinate or (3) both bool SetTime(const datetime time); bool SetPrice(const double price); bool SetTimePrice(const datetime time,const double price); //--- Return (1) time and (2) price coordinate datetime Time(void) const { return this.m_time; } double Price(void) const { return this.m_price; } };
Todos los constructores suponen una copia de los constructores de la clase padre y utilizan el constructor por defecto de su padre al inicializarse:
//+------------------------------------------------------------------+ //| Parametric constructor | //+------------------------------------------------------------------+ CGCnvBitmap::CGCnvBitmap(const ENUM_GRAPH_ELEMENT_TYPE element_type, CGCnvElement *main_obj,CGCnvElement *base_obj, const int element_id, const int element_num, const long chart_id, const int wnd_num, const string descript, const datetime time, const double price, const int w, const int h, const color colour, const uchar opacity, const bool movable=false, const bool activity=true, const bool redraw=false) { this.SetTypeElement(element_type); this.m_type=OBJECT_DE_TYPE_GBITMAP; this.m_element_main=main_obj; this.m_element_base=base_obj; this.m_chart_color_bg=(color)::ChartGetInteger((chart_id==NULL ? ::ChartID() : chart_id),CHART_COLOR_BACKGROUND); this.m_name=this.CreateNameGraphElement(element_type); this.m_chart_id=(chart_id==NULL || chart_id==0 ? ::ChartID() : chart_id); this.m_subwindow=wnd_num; this.SetFont(DEF_FONT,DEF_FONT_SIZE); this.SetTextAnchor(0); this.SetTextLastX(0); this.SetTextLastY(0); this.SetBackgroundColor(colour,true); this.SetOpacity(opacity); this.m_shift_coord_x=0; this.m_shift_coord_y=0; if(::ArrayResize(this.m_array_colors_bg,1)==1) this.m_array_colors_bg[0]=this.BackgroundColor(); if(::ArrayResize(this.m_array_colors_bg_dwn,1)==1) this.m_array_colors_bg_dwn[0]=this.BackgroundColor(); if(::ArrayResize(this.m_array_colors_bg_ovr,1)==1) this.m_array_colors_bg_ovr[0]=this.BackgroundColor(); if(this.Create(chart_id,wnd_num,0,0,w,h,redraw)) { this.Initialize(element_type,element_id,element_num,0,0,w,h,descript,movable,activity); this.SetVisibleFlag(false,false); this.SetTimePrice(time,price); } else { ::Print(DFUN,CMessage::Text(MSG_LIB_SYS_FAILED_CREATE_ELM_OBJ),"\"",this.TypeElementDescription(element_type),"\" ",this.NameObj()); } } //+------------------------------------------------------------------+ //| Protected constructor | //+------------------------------------------------------------------+ CGCnvBitmap::CGCnvBitmap(const ENUM_GRAPH_ELEMENT_TYPE element_type, CGCnvElement *main_obj,CGCnvElement *base_obj, const long chart_id, const int wnd_num, const string descript, const datetime time, const double price, const int w, const int h) { this.m_type=OBJECT_DE_TYPE_GBITMAP; this.m_element_main=main_obj; this.m_element_base=base_obj; this.m_chart_color_bg=(color)::ChartGetInteger((chart_id==NULL ? ::ChartID() : chart_id),CHART_COLOR_BACKGROUND); this.m_name=this.CreateNameGraphElement(element_type); this.m_chart_id=(chart_id==NULL || chart_id==0 ? ::ChartID() : chart_id); this.m_subwindow=wnd_num; this.m_type_element=element_type; this.SetFont(DEF_FONT,DEF_FONT_SIZE); this.SetTextAnchor(0); this.SetTextLastX(0); this.SetTextLastY(0); this.SetBackgroundColor(CLR_CANV_NULL,true); this.SetOpacity(0); this.m_shift_coord_x=0; this.m_shift_coord_y=0; this.m_shadow=false; if(::ArrayResize(this.m_array_colors_bg,1)==1) this.m_array_colors_bg[0]=this.BackgroundColor(); if(::ArrayResize(this.m_array_colors_bg_dwn,1)==1) this.m_array_colors_bg_dwn[0]=this.BackgroundColor(); if(::ArrayResize(this.m_array_colors_bg_ovr,1)==1) this.m_array_colors_bg_ovr[0]=this.BackgroundColor(); if(this.Create(chart_id,wnd_num,0,0,w,h,false)) { this.Initialize(element_type,0,0,0,0,w,h,descript,false,false); this.SetVisibleFlag(false,false); this.SetTimePrice(time,price); } else { ::Print(DFUN,CMessage::Text(MSG_LIB_SYS_FAILED_CREATE_ELM_OBJ),"\"",this.TypeElementDescription(element_type),"\" ",this.NameObj()); } }
Aquí usamos el constructor por defecto de la clase padre, porque establece todos los parámetros del objeto y crea este objeto. Para no redefinir los parámetros en este constructor, y no borrar y recrear un objeto de un nuevo tipo, lo haremos todo de una vez aquí, en estos constructores, usando el constructor por defecto del objeto padre.
Método virtual para crear un objeto de dibujo gráfico:
//+------------------------------------------------------------------+ //| Create the graphical bitmap object | //+------------------------------------------------------------------+ bool CGCnvBitmap::Create(const long chart_id, // Chart ID const int wnd_num, // Chart subwindow const int x, // X coordinate const int y, // Y coordinate const int w, // Width const int h, // Height const bool redraw=false) // Flag indicating the need to redraw { ::ResetLastError(); if(this.m_canvas.CreateBitmap((chart_id==NULL ? ::ChartID() : chart_id),wnd_num,this.m_name,x,y,w,h,COLOR_FORMAT_ARGB_NORMALIZE)) { this.Erase(CLR_CANV_NULL); this.m_canvas.Update(redraw); this.m_shift_y=(int)::ChartGetInteger((chart_id==NULL ? ::ChartID() : chart_id),CHART_WINDOW_YDISTANCE,wnd_num); return true; } int err=::GetLastError(); int code=(err==0 ? (w<1 ? MSG_CANV_ELEMENT_ERR_FAILED_SET_WIDTH : h<1 ? MSG_CANV_ELEMENT_ERR_FAILED_SET_HEIGHT : ERR_OBJECT_ERROR) : err); string subj=(w<1 ? "Width="+(string)w+". " : h<1 ? "Height="+(string)h+". " : ""); CMessage::ToLog(DFUN_ERR_LINE+subj,code,true); return false; }
Aquí, a diferencia del mismo método de la clase padre, para crear un objeto gráfico se utiliza el método CreateBitmap() de la clase CCanvas, en lugar del método CreateBitmapLabel(). Y esta es la única diferencia entre este método y el método de la clase padre.
Métodos para asignar las coordenadas de precio y hora en un objeto de dibujo:
//+------------------------------------------------------------------+ //| Set the time coordinate | //+------------------------------------------------------------------+ bool CGCnvBitmap::SetTime(const datetime time) { string name=this.NameObj(); if(name==NULL || name=="") return false; ::ResetLastError(); if(!::ObjectSetInteger(this.ChartID(),name,OBJPROP_TIME,time)) { ::PrintFormat("%s%s. %s %s",DFUN,CMessage::Text(MSG_ERR_FAILED_SET_BITMAP_OBJ_TIME),CMessage::Text(MSG_LIB_SYS_ERROR),::GetLastError()); return false; } this.m_time=time; return true; } //+------------------------------------------------------------------+ //| Set the price coordinate | //+------------------------------------------------------------------+ bool CGCnvBitmap::SetPrice(const double price) { string name=this.NameObj(); if(name==NULL || name=="") return false; ::ResetLastError(); if(!::ObjectSetDouble(this.ChartID(),name,OBJPROP_PRICE,price)) { ::PrintFormat("%s%s. %s %s",DFUN,CMessage::Text(MSG_ERR_FAILED_SET_BITMAP_OBJ_PRICE),CMessage::Text(MSG_LIB_SYS_ERROR),::GetLastError()); return false; } this.m_price=price; return true; } //+------------------------------------------------------------------+ //| Set both coordinates | //+------------------------------------------------------------------+ bool CGCnvBitmap::SetTimePrice(const datetime time,const double price) { if(!this.SetTime(time)) return false; return this.SetPrice(price); } //+------------------------------------------------------------------+En resumen: si no podemos establecer una propiedad en un objeto gráfico, emitiremos un mensaje de registro al respecto y retornaremos false.
Si la propiedad se establece correctamente en un objeto, se escribirá un nuevo valor en la variable de clase y se retornará true.
En la clase de control de elementos gráficos en el archivo \MQL5\Include\DoEasy\Objects\Graph\Graph\GraphElmControl.mqh, declaramos un método para crear un objeto de dibujo:
//+------------------------------------------------------------------+ //| Class for managing graphical elements | //+------------------------------------------------------------------+ class CGraphElmControl : public CObject { private: int m_type; // Object type int m_type_node; // Type of the object the graphics is constructed for //--- Set general parameters for standard graphical objects void SetCommonParamsStdGraphObj(const long chart_id,const string name); public: //--- Return itself CGraphElmControl *GetObject(void) { return &this; } //--- Set a type of the object the graphics is constructed for void SetTypeNode(const int type_node) { this.m_type_node=type_node; } //--- Create a form object CForm *CreateForm(const int form_id,const long chart_id,const int wnd,const string name,const int x,const int y,const int w,const int h); CForm *CreateForm(const int form_id,const int wnd,const string name,const int x,const int y,const int w,const int h); CForm *CreateForm(const int form_id,const string name,const int x,const int y,const int w,const int h); //--- Create Bitmap object CGCnvBitmap *CreateBitmap(const int obj_id,const long chart_id,const int wnd,const string name,const datetime time,const double price,const int w,const int h,const color clr); //--- Creates the trend line standard graphical object
Escribiremos su implementación fuera del cuerpo de la misma:
//+------------------------------------------------------------------+ //| Create Bitmap object | //+------------------------------------------------------------------+ CGCnvBitmap *CGraphElmControl::CreateBitmap(const int obj_id,const long chart_id,const int wnd,const string name,const datetime time,const double price,const int w,const int h,const color clr) { CGCnvBitmap *obj=new CGCnvBitmap(GRAPH_ELEMENT_TYPE_BITMAP,NULL,NULL,obj_id,0,chart_id,wnd,name,time,price,w,h,clr,200); return obj; }
El método crea un nuevo objeto de la clase CDCnvBitmap con los parámetros y una opacidad del lienzo igual a 200, y retorna un puntero al objeto creado.
Ahora en la clase del objeto básico de la biblioteca CBaseObj, en el archivo \MQL5\Include\DoEasy\Objects\BaseObj.mqh, escribimos los métodos para crear un objeto de dibujo:
//+------------------------------------------------------------------+ //| Methods for handling graphical elements | //+------------------------------------------------------------------+ //--- Create a form object on a specified chart in a specified subwindow CForm *CreateForm(const int form_id,const long chart_id,const int wnd,const string name,const int x,const int y,const int w,const int h) { return this.m_graph_elm.CreateForm(form_id,chart_id,wnd,name,x,y,w,h); } //--- Create a form object on the current chart in a specified subwindow CForm *CreateForm(const int form_id,const int wnd,const string name,const int x,const int y,const int w,const int h) { return this.m_graph_elm.CreateForm(form_id,wnd,name,x,y,w,h); } //--- Create the form object on the current chart in the main window CForm *CreateForm(const int form_id,const string name,const int x,const int y,const int w,const int h) { return this.m_graph_elm.CreateForm(form_id,name,x,y,w,h); } //--- Create a bitmap object on a specified chart in a specified subwindow CGCnvBitmap *CreateBitmap(const int obj_id,const long chart_id,const int wnd,const string name,const datetime time,const double price,const int w,const int h,const color clr) { return this.m_graph_elm.CreateBitmap(obj_id,chart_id,wnd,name,time,price,w,h,clr); } //--- Create a bitmap object on the current chart in a specified subwindow CGCnvBitmap *CreateBitmap(const int obj_id,const int wnd,const string name,const datetime time,const double price,const int w,const int h,const color clr) { return this.m_graph_elm.CreateBitmap(obj_id,::ChartID(),wnd,name,time,price,w,h,clr);} //--- Create the bitmap object on the current chart in the main window CGCnvBitmap *CreateBitmap(const int obj_id,const string name,const datetime time,const double price,const int w,const int h,const color clr) { return this.m_graph_elm.CreateBitmap(obj_id,::ChartID(),0,name,time,price,w,h,clr); } //--- Create a standard graphical trend line object in the specified subwindow of the specified chart
Tres métodos para crear un objeto de dibujo: (1) en el gráfico especificado en la subventana indicada, (2) en el gráfico actual en la subventana especificada, (3) en el gráfico actual en la ventana principal. Los métodos simplemente retornan el resultado de la llamada al método para crear un objeto de dibujo de la clase CGraphElmControl con los parámetros especificados escritos anteriormente.
Ahora, a partir de cualquier objeto de la biblioteca podremos construir un objeto de dibujo para diseñar visualmente algo. Por cierto, antes podíamos crear algunas primitivas gráficas y elementos GUI a partir de cualquier objeto de la biblioteca. Ahora se ha añadido un objeto de dibujo.
La clase del objeto de formulario gráfico se hereda de la clase del elemento gráfico. En consecuencia, el archivo de elemento gráfico estará conectado al archivo de la clase del objeto de formulario. Como ahora tenemos una clase más heredada del elemento gráfico, la clase de objeto de dibujo, para conectar de forma óptima todas estas clases entre sí, conectaremos el archivo de la clase de objeto de dibujo con el archivo de la clase de objeto de formulario. Como esta clase se hereda del elemento gráfico, ambas clases estarán disponibles en la clase objeto de formulario.
Al archivo de la clase de objeto de formulario \MQL5\Include\DoEasy\Objects\Graph\Form.mqh, en lugar del archivo de elemento gráfico, le conectamos el archivo de la clase de objeto de dibujo:
//+------------------------------------------------------------------+ //| Form.mqh | //| Copyright 2022, MetaQuotes Ltd. | //| https://mql5.com/en/users/artmedia70 | //+------------------------------------------------------------------+ #property copyright "Copyright 2022, MetaQuotes Ltd." #property link "https://mql5.com/en/users/artmedia70" #property version "1.00" #property strict // Necessary for mql4 //+------------------------------------------------------------------+ //| Include files | //+------------------------------------------------------------------+ #include "GCnvBitmap.mqh" #include "ShadowObj.mqh" #include "Animations\Animations.mqh" #include "..\..\Services\MouseState.mqh" //+------------------------------------------------------------------+ //| Form object class | //+------------------------------------------------------------------+ class CForm : public CGCnvElement {
Ahora tanto el objeto de formulario como el objeto de dibujo estarán disponibles en el objeto de formulario. Por consiguiente, estos dos objetos también estarán disponibles en el resto de los archivos en los que se necesite un objeto de elemento.
En la barra de objetos escribiremos los patrones que se han encontrado en ella.
Para ello, en el archivo de clase del objeto de barra \MQL5\Include\DoEasy\Objects\Series\Bar.mqh, en la sección pública, , escribimos el método que añade el nuevo tipo de patrón a la propiedad de la barra:
//--- Return itself CBar *GetObject(void) { return &this;} //--- Set (1) bar symbol, timeframe and time, (2) bar object parameters void SetSymbolPeriod(const string symbol,const ENUM_TIMEFRAMES timeframe,const datetime time); void SetProperties(const MqlRates &rates); //--- Add the pattern type on bar void AddPattern(const ENUM_PATTERN_TYPE pattern_type) { this.m_long_prop[BAR_PROP_PATTERNS_TYPE] |=pattern_type; } //--- Compare CBar objects by all possible properties (for sorting the lists by a specified bar object property) virtual int Compare(const CObject *node,const int mode=0) const; //--- Compare CBar objects by all properties (to search for equal bar objects) bool IsEqual(CBar* compared_bar) const; //--- Constructors CBar(){ this.m_type=OBJECT_DE_TYPE_SERIES_BAR; } CBar(const string symbol,const ENUM_TIMEFRAMES timeframe,const datetime time,const string source); CBar(const string symbol,const ENUM_TIMEFRAMES timeframe,const MqlRates &rates);
El tipo de patrón se transmite al método, y su valor (máscara de bits) se añade al valor de la propiedad BAR_PROP_PATTERNS_TYPE. Con la operación lógica "o", podemos añadir diferentes tipos a una variable sin sobrescribir el valor de la misma. Así, en una variable podrán almacenarse varios tipos de patrones diferentes.
En la sección de propiedades de la barra, declaramos un método que retorna la lista de patrones en el array transmitido, así como un método que envía al registro la lista de patrones en la barra:
//+------------------------------------------------------------------+ //| Descriptions of bar object properties | //+------------------------------------------------------------------+ //--- Get description of a bar's (1) integer, (2) real and (3) string properties string GetPropertyDescription(ENUM_BAR_PROP_INTEGER property); string GetPropertyDescription(ENUM_BAR_PROP_DOUBLE property); string GetPropertyDescription(ENUM_BAR_PROP_STRING property); //--- Return the bar type description string BodyTypeDescription(void) const; //--- Display the description of the object properties in the journal (full_prop=true - all properties, false - supported ones only - implemented in descendant classes) virtual void Print(const bool full_prop=false,const bool dash=false); //--- Display a short description of the object in the journal virtual void PrintShort(const bool dash=false,const bool symbol=false); //--- Return the (1) short name, (2) description of bar object parameters and (3) a list of patterns in the passed array virtual string Header(void); string ParameterDescription(void); int GetPatternsList(ulong &array[]); //--- Display a list of patterns on the bar in the journal void PatternTypeDescriptionPrint(const bool dash=false); //--- };
En el método que establece los parámetros del objeto de barra, establecemos el tipo de patrón en la barra como ausente (el valor de la variable es cero):
//+------------------------------------------------------------------+ //| Set bar object parameters | //+------------------------------------------------------------------+ void CBar::SetProperties(const MqlRates &rates) { this.SetProperty(BAR_PROP_SPREAD,rates.spread); this.SetProperty(BAR_PROP_VOLUME_TICK,rates.tick_volume); this.SetProperty(BAR_PROP_VOLUME_REAL,rates.real_volume); this.SetProperty(BAR_PROP_TIME,rates.time); this.SetProperty(BAR_PROP_TIME_YEAR,this.TimeYear()); this.SetProperty(BAR_PROP_TIME_MONTH,this.TimeMonth()); this.SetProperty(BAR_PROP_TIME_DAY_OF_YEAR,this.TimeDayOfYear()); this.SetProperty(BAR_PROP_TIME_DAY_OF_WEEK,this.TimeDayOfWeek()); this.SetProperty(BAR_PROP_TIME_DAY,this.TimeDay()); this.SetProperty(BAR_PROP_TIME_HOUR,this.TimeHour()); this.SetProperty(BAR_PROP_TIME_MINUTE,this.TimeMinute()); //--- this.SetProperty(BAR_PROP_OPEN,rates.open); this.SetProperty(BAR_PROP_HIGH,rates.high); this.SetProperty(BAR_PROP_LOW,rates.low); this.SetProperty(BAR_PROP_CLOSE,rates.close); this.SetProperty(BAR_PROP_CANDLE_SIZE,this.CandleSize()); this.SetProperty(BAR_PROP_CANDLE_SIZE_BODY,this.BodySize()); this.SetProperty(BAR_PROP_CANDLE_BODY_TOP,this.BodyHigh()); this.SetProperty(BAR_PROP_CANDLE_BODY_BOTTOM,this.BodyLow()); this.SetProperty(BAR_PROP_CANDLE_SIZE_SHADOW_UP,this.ShadowUpSize()); this.SetProperty(BAR_PROP_CANDLE_SIZE_SHADOW_DOWN,this.ShadowDownSize()); //--- this.SetProperty(BAR_PROP_RATIO_BODY_TO_CANDLE_SIZE,this.CandleRatioBodyToCandleSize()); this.SetProperty(BAR_PROP_RATIO_UPPER_SHADOW_TO_CANDLE_SIZE,this.CandleRatioUpperShadowToCandleSize()); this.SetProperty(BAR_PROP_RATIO_LOWER_SHADOW_TO_CANDLE_SIZE,this.CandleRatioLowerShadowToCandleSize()); this.SetProperty(BAR_PROP_PATTERNS_TYPE,0); this.SetProperty(BAR_PROP_TYPE,this.BodyType()); //--- Set the object type to the object of the graphical object management class this.m_graph_elm.SetTypeNode(this.m_type); }
Fuera del cuerpo de la clase, escribimos un método que retorna una lista de patrones en el array transmitido:
//+------------------------------------------------------------------+ //| Return the list of patterns in the passed array | //+------------------------------------------------------------------+ int CBar::GetPatternsList(ulong &array[]) { return ListPatternsInVar(this.GetProperty(BAR_PROP_PATTERNS_TYPE),array); }
Al método se le transmite un array y retorna el resultado de la ejecución de la función ListPatternsInVar() escrita anteriormente. En este caso, la lista de todos los patrones de la barra se coloca en el array transmitido por enlace al método.
Método que envía al registro la descripción de los patrones en la barra:
//+------------------------------------------------------------------+ //| Display the description of patterns on the bar in the journal | //+------------------------------------------------------------------+ void CBar::PatternTypeDescriptionPrint(const bool dash=false) { ulong patt=this.GetProperty(BAR_PROP_PATTERNS_TYPE); ::Print(CMessage::Text(MSG_LIB_TEXT_BAR_PATTERNS_TYPE),": ",(patt>0 ? "" : CMessage::Text(MSG_LIB_PROP_EMPTY))); if(patt>0) ::Print(PatternsInVarDescription(patt,dash)); }
Antes, escribíamos la función PatternsInVarDescription(), que retornaba una cadena con las descripciones de todos los patrones cuyas banderas están contenidas en la variable. Aquí enviamos el valor de la variable que almacena la propiedad BAR_PROP_PATTERNS_TYPE a esta función e imprimimos la cadena obtenida de la función en el registro.
En el método que retorna la descripción de una propiedad entera de la barra, terminamos de escribir el retorno de la descripción del valor de la propiedad BAR_PROP_PATTERNS_TYPE:
//+------------------------------------------------------------------+ //| Return the description of the bar integer property | //+------------------------------------------------------------------+ string CBar::GetPropertyDescription(ENUM_BAR_PROP_INTEGER property) { return ( property==BAR_PROP_TIME ? CMessage::Text(MSG_LIB_TEXT_BAR_TIME)+ (!this.SupportProperty(property) ? ": "+CMessage::Text(MSG_LIB_PROP_NOT_SUPPORTED) : ": "+::TimeToString(this.GetProperty(property),TIME_DATE|TIME_MINUTES|TIME_SECONDS) ) : property==BAR_PROP_TYPE ? CMessage::Text(MSG_ORD_TYPE)+ (!this.SupportProperty(property) ? ": "+CMessage::Text(MSG_LIB_PROP_NOT_SUPPORTED) : ": "+this.BodyTypeDescription() ) : property==BAR_PROP_PERIOD ? CMessage::Text(MSG_LIB_TEXT_BAR_PERIOD)+ (!this.SupportProperty(property) ? ": "+CMessage::Text(MSG_LIB_PROP_NOT_SUPPORTED) : ": "+this.m_period_description ) : property==BAR_PROP_SPREAD ? CMessage::Text(MSG_LIB_TEXT_BAR_SPREAD)+ (!this.SupportProperty(property) ? ": "+CMessage::Text(MSG_LIB_PROP_NOT_SUPPORTED) : ": "+(string)this.GetProperty(property) ) : property==BAR_PROP_VOLUME_TICK ? CMessage::Text(MSG_LIB_TEXT_BAR_VOLUME_TICK)+ (!this.SupportProperty(property) ? ": "+CMessage::Text(MSG_LIB_PROP_NOT_SUPPORTED) : ": "+(string)this.GetProperty(property) ) : property==BAR_PROP_VOLUME_REAL ? CMessage::Text(MSG_LIB_TEXT_BAR_VOLUME_REAL)+ (!this.SupportProperty(property) ? ": "+CMessage::Text(MSG_LIB_PROP_NOT_SUPPORTED) : ": "+(string)this.GetProperty(property) ) : property==BAR_PROP_TIME_YEAR ? CMessage::Text(MSG_LIB_TEXT_BAR_TIME_YEAR)+ (!this.SupportProperty(property) ? ": "+CMessage::Text(MSG_LIB_PROP_NOT_SUPPORTED) : ": "+(string)this.Year() ) : property==BAR_PROP_TIME_MONTH ? CMessage::Text(MSG_LIB_TEXT_BAR_TIME_MONTH)+ (!this.SupportProperty(property) ? ": "+CMessage::Text(MSG_LIB_PROP_NOT_SUPPORTED) : ": "+MonthDescription((int)this.Month()) ) : property==BAR_PROP_TIME_DAY_OF_YEAR ? CMessage::Text(MSG_LIB_TEXT_BAR_TIME_DAY_OF_YEAR)+ (!this.SupportProperty(property) ? ": "+CMessage::Text(MSG_LIB_PROP_NOT_SUPPORTED) : ": "+::IntegerToString(this.DayOfYear(),3,'0') ) : property==BAR_PROP_TIME_DAY_OF_WEEK ? CMessage::Text(MSG_LIB_TEXT_BAR_TIME_DAY_OF_WEEK)+ (!this.SupportProperty(property) ? ": "+CMessage::Text(MSG_LIB_PROP_NOT_SUPPORTED) : ": "+DayOfWeekDescription((ENUM_DAY_OF_WEEK)this.DayOfWeek()) ) : property==BAR_PROP_TIME_DAY ? CMessage::Text(MSG_LIB_TEXT_BAR_TIME_DAY)+ (!this.SupportProperty(property) ? ": "+CMessage::Text(MSG_LIB_PROP_NOT_SUPPORTED) : ": "+::IntegerToString(this.Day(),2,'0') ) : property==BAR_PROP_TIME_HOUR ? CMessage::Text(MSG_LIB_TEXT_BAR_TIME_HOUR)+ (!this.SupportProperty(property) ? ": "+CMessage::Text(MSG_LIB_PROP_NOT_SUPPORTED) : ": "+::IntegerToString(this.Hour(),2,'0') ) : property==BAR_PROP_TIME_MINUTE ? CMessage::Text(MSG_LIB_TEXT_BAR_TIME_MINUTE)+ (!this.SupportProperty(property) ? ": "+CMessage::Text(MSG_LIB_PROP_NOT_SUPPORTED) : ": "+::IntegerToString(this.Minute(),2,'0') ) : property==BAR_PROP_PATTERNS_TYPE ? CMessage::Text(MSG_LIB_TEXT_BAR_PATTERNS_TYPE)+ (!this.SupportProperty(property) ? ": "+CMessage::Text(MSG_LIB_PROP_NOT_SUPPORTED) : ": "+(this.GetProperty(property)==0 ? CMessage::Text(MSG_LIB_PROP_NOT_FOUND) : "\n"+PatternsInVarDescription(this.GetProperty(property),true)) ) : "" ); }
También introducimos las mejoras necesarias en el archivo \MQL5\Include\DoEasy\Objects\Series\Patterns\Pattern.mqh.
Como en el objeto de patrón colocaremos un puntero al objeto de barra en el que se ha encontrado el patrón, necesitamos conectar el archivo de clase del objeto de barra al archivo de clase del objeto de patrón. El patrón tiene tanto una barra de formación como una barra "madre". Para la barra formadora usaremos un puntero al objeto de barra (será la barra en la que se ha encontrado el patrón), y para la barra "madre", crearemos una estructura MqlRates que almacenará los datos de esta barra. De esta forma siempre tendremos todos los datos sobre las barras que "abarca" el patrón. Por cierto, si el patrón es de una sola barra, la barra madre y la barra de formación serán la misma barra. Vamos a "dibujar" el patrón usando el objeto de dibujo cuya clase hemos creado hoy. Así, declaramos el puntero a un objeto de esta clase en la sección protegida de la clase abstracta de objeto de patrón. Para poder calcular el tamaño necesario del dibujo que abarca las barras del patrón, necesitamos conocer las dimensiones y los parámetros del gráfico. Vamos a declarar las variables para almacenar los parámetros gráficos necesarios para calcular el tamaño del objeto de dibujo.
//+------------------------------------------------------------------+ //| Include files | //+------------------------------------------------------------------+ #include "..\..\BaseObj.mqh" #include "..\Bar.mqh" //+------------------------------------------------------------------+ //| Abstract pattern class | //+------------------------------------------------------------------+ class CPattern : public CBaseObj { private: CBar *m_bar_pattern; // Pointer to the bar the pattern is formed on MqlRates m_mother_bar_prop; // "Mother" bar parameters long m_long_prop[PATTERN_PROP_INTEGER_TOTAL]; // Integer properties double m_double_prop[PATTERN_PROP_DOUBLE_TOTAL]; // Real properties string m_string_prop[PATTERN_PROP_STRING_TOTAL]; // String properties //--- Return the index of the array the pattern (1) double and (2) string properties are located at int IndexProp(ENUM_PATTERN_PROP_DOUBLE property) const { return(int)property-PATTERN_PROP_INTEGER_TOTAL; } int IndexProp(ENUM_PATTERN_PROP_STRING property) const { return(int)property-PATTERN_PROP_INTEGER_TOTAL-PATTERN_PROP_DOUBLE_TOTAL;} protected: CForm *m_form; // Pointer to form object CGCnvBitmap *m_bitmap; // Pointer to the bitmap object int m_digits; // Symbol's digits value ulong m_symbol_code; // Symbol as a number (sum of name symbol codes) string m_name_graph_obj; // Name of the graphical object displaying the pattern double m_price; // Price level the graphical object is placed at color m_color_bullish; // Color of a graphical object set to the bullish pattern icon color m_color_bearish; // Color of a graphical object set to the bearish pattern icon color m_color_bidirect; // Color of a graphical object set to the bidirectional pattern icon color m_color; // Graphical object color color m_color_panel_bullish; // Bullish pattern panel color color m_color_panel_bearish; // Bearish pattern panel color color m_color_panel_bidirect; // Bidirectional pattern panel color int m_bars_formation; // Number of bars in the formation (nested pattern) bool m_draw_dots; // Draw on the chart with dots int m_chart_scale; // Chart scale int m_chart_height_px; // Height of the chart in pixels double m_chart_price_max; // Chart maximum double m_chart_price_min; // Chart minimum public:
En la sección pública de la clase, añadimos los métodos para establecer y devolver las nuevas propiedades y punteros:
public: //--- Set pattern (1) integer, (2) real and (3) string properties void SetProperty(ENUM_PATTERN_PROP_INTEGER property,long value) { this.m_long_prop[property]=value; } void SetProperty(ENUM_PATTERN_PROP_DOUBLE property,double value){ this.m_double_prop[this.IndexProp(property)]=value; } void SetProperty(ENUM_PATTERN_PROP_STRING property,string value){ this.m_string_prop[this.IndexProp(property)]=value; } //--- Return (1) integer, (2) real and (3) string pattern properties from the property array long GetProperty(ENUM_PATTERN_PROP_INTEGER property) const { return this.m_long_prop[property]; } double GetProperty(ENUM_PATTERN_PROP_DOUBLE property) const { return this.m_double_prop[this.IndexProp(property)]; } string GetProperty(ENUM_PATTERN_PROP_STRING property) const { return this.m_string_prop[this.IndexProp(property)]; } //--- Return the flag of the pattern supporting the specified property virtual bool SupportProperty(ENUM_PATTERN_PROP_INTEGER property) { return true; } virtual bool SupportProperty(ENUM_PATTERN_PROP_DOUBLE property) { return true; } virtual bool SupportProperty(ENUM_PATTERN_PROP_STRING property) { return true; } //--- Return itself CPattern *GetObject(void) { return &this; } CForm *GetForm(void) { return this.m_form;} //--- Compare CPattern objects by all possible properties (for sorting the lists by a specified pattern object property) virtual int Compare(const CObject *node,const int mode=0) const; //--- Compare CPattern objects with each other by all properties (to search equal pattern objects) bool IsEqual(CPattern* compared_obj) const; //--- Constructors CPattern(){ this.m_type=OBJECT_DE_TYPE_SERIES_PATTERN; } protected: //--- Protected parametric constructor CPattern(const ENUM_PATTERN_STATUS status, const ENUM_PATTERN_TYPE type, const uint id, const ENUM_PATTERN_DIRECTION direction, const string symbol, const ENUM_TIMEFRAMES timeframe,MqlRates &rates); public: //--- Destructor ~CPattern(void); //+------------------------------------------------------------------+ //| Methods of a simplified access to the pattern object properties | //+------------------------------------------------------------------+ //--- Return (1) type, (2) direction, (3) period, (4) status, //--- (5) code, (6) pattern defining bar time, //--- (7) number of candles forming the pattern ENUM_PATTERN_TYPE TypePattern(void) const { return (ENUM_PATTERN_TYPE)this.GetProperty(PATTERN_PROP_TYPE); } ENUM_PATTERN_DIRECTION Direction(void) const { return (ENUM_PATTERN_DIRECTION)this.GetProperty(PATTERN_PROP_DIRECTION); } ENUM_TIMEFRAMES Timeframe(void) const { return (ENUM_TIMEFRAMES)this.GetProperty(PATTERN_PROP_PERIOD); } ENUM_PATTERN_STATUS Status(void) const { return (ENUM_PATTERN_STATUS)this.GetProperty(PATTERN_PROP_STATUS); } ulong Code(void) const { return this.GetProperty(PATTERN_PROP_CODE); } uint ID(void) const { return (uint)this.GetProperty(PATTERN_PROP_ID); } ulong ControlObjectID(void) const { return this.GetProperty(PATTERN_PROP_CTRL_OBJ_ID); } datetime Time(void) const { return (datetime)this.GetProperty(PATTERN_PROP_TIME); } uint Candles(void) const { return (uint)this.GetProperty(PATTERN_PROP_CANDLES); } //--- Return pattern defining bar prices double BarPriceOpen(void) const { return this.GetProperty(PATTERN_PROP_BAR_PRICE_OPEN); } double BarPriceHigh(void) const { return this.GetProperty(PATTERN_PROP_BAR_PRICE_HIGH); } double BarPriceLow(void) const { return this.GetProperty(PATTERN_PROP_BAR_PRICE_LOW); } double BarPriceClose(void) const { return this.GetProperty(PATTERN_PROP_BAR_PRICE_CLOSE); } //--- Return pattern (1) symbol and (2) name string Symbol(void) const { return this.GetProperty(PATTERN_PROP_SYMBOL); } string Name(void) const { return this.GetProperty(PATTERN_PROP_NAME); } //--- Set the pointer to the (1) pattern bar, (2) "mother" bar data void SetPatternBar(CBar *bar) { this.m_bar_pattern=bar; } void SetMotherBarData(MqlRates &data); //--- Set the (1) "mother" bar OHLC and (2) the number of bars in nested formations void SetMotherBarOpen(const double open) { this.m_mother_bar_prop.open=open; } void SetMotherBarHigh(const double high) { this.m_mother_bar_prop.high=high; } void SetMotherBarLow(const double low) { this.m_mother_bar_prop.low=low; } void SetMotherBarClose(const double close) { this.m_mother_bar_prop.close=close; } void SetBarsInNestedFormations(const int bars) { this.m_bars_formation=bars; } //--- Return the pointer to the (1) pattern bar, (2) time, (3 - 6) "mother" bar OHLC and (7) the number of bars in nested formations CBar *PatternBar(void) const { return this.m_bar_pattern; } datetime MotherBarTime(void) const { return (datetime)this.GetProperty(PATTERN_PROP_MOTHERBAR_TIME); } double MotherBarOpen(void) const { return this.m_mother_bar_prop.open; } double MotherBarHigh(void) const { return this.m_mother_bar_prop.high; } double MotherBarLow(void) const { return this.m_mother_bar_prop.low; } double MotherBarClose(void) const { return this.m_mother_bar_prop.close; } int BarsInNestedFormations(void) const { return this.m_bars_formation; } //+------------------------------------------------------------------+ //| Descriptions of pattern object properties | //+------------------------------------------------------------------+ //--- Get description of pattern (1) integer, (2) real and (3) string property string GetPropertyDescription(ENUM_PATTERN_PROP_INTEGER property); string GetPropertyDescription(ENUM_PATTERN_PROP_DOUBLE property); string GetPropertyDescription(ENUM_PATTERN_PROP_STRING property); //--- Return description of the pattern (1) status, (2) type and (3) direction virtual string StatusDescription(void) const { return NULL; } virtual string TypeDescription(void) const { return NULL; } string DirectDescription(void) const; //--- Display the description of the object properties in the journal (full_prop=true - all properties, false - supported ones only - implemented in descendant classes) virtual void Print(const bool full_prop=false,const bool dash=false); //--- Display a short description of the object in the journal virtual void PrintShort(const bool dash=false,const bool symbol=false); //--- Return a short name of a pattern object virtual string Header(void); //+------------------------------------------------------------------+ //| Handle graphical display | //+------------------------------------------------------------------+ protected: //--- Set graphical object display colors for the (1) bullish, (2) bearish and (3) bidirectional pattern void SetColorBullish(const color clr) { this.m_color_bullish=clr; } void SetColorBearish(const color clr) { this.m_color_bearish=clr; } void SetColorBiDirect(const color clr) { this.m_color_bidirect=clr; } //--- Create the (1) info panel and (2) Bitmap object bool CreateInfoPanel(void); virtual bool CreateBitmap(void); //--- Create the info panel appearance virtual void CreateInfoPanelView(void){} //--- Calculate the bitmap object (1) width and (2) height int GetBitmapWidth(void); int GetBitmapHeight(void); public: //--- Remove a graphical object bool DeleteGraphObj(bool redraw=false); //--- Set graphical object display colors and pattern display color void SetColors(const color color_bullish,const color color_bearish,const color color_bidirect,const bool redraw=false); //--- Set the flag for drawing pattern labels as dots void SetDrawAsDots(const bool flag) { this.m_draw_dots=flag; } //--- Set the background color for the (1) bullish, (2) bearish and (3) bidirectional pattern panel void SetColorPanelBullish(const color clr) { this.m_color_panel_bullish=clr; } void SetColorPanelBearish(const color clr) { this.m_color_panel_bearish=clr; } void SetColorPanelBiDirect(const color clr) { this.m_color_panel_bidirect=clr; } //--- Set the background color for the (1) bullish, (2) bearish and (3) bidirectional pattern panel by setting the values of the RGB color components void SetColorPanelBullish(const uchar R,const uchar G,const uchar B); void SetColorPanelBearish(const uchar R,const uchar G,const uchar B); void SetColorPanelBiDirect(const uchar R,const uchar G,const uchar B); //--- Draw the pattern icon on the chart virtual void Draw(const bool redraw); //--- (1) Display, (2) hide the pattern icon on the chart void Show(const bool redraw=false); void Hide(const bool redraw=false); //--- (1) Display and (2) hide the info panel on the chart void ShowInfoPanel(const int x,const int y,const bool redraw=true); void HideInfoPanel(void); //--- Change the bitmap object (1) width, (2) height and (3) size bool BitmapSetWidth(const int width); bool BitmapSetHeight(const int height); bool BitmapResize(const int w,const int h); //--- Set the (1) chart scale, (2) chart height in pixels, (3) chart maximum and (3) minimum void SetChartScale(const int scale) { this.m_chart_scale=scale; } void SetChartHeightInPixels(const int height) { this.m_chart_height_px=height; } void SetChartPriceMax(const double price) { this.m_chart_price_max=price; } void SetChartPriceMin(const double price) { this.m_chart_price_min=price; } //--- Return the (1) chart scale, (2) chart height in pixels, (3) chart maximum and (3) minimum int ChartScale(void) const { return this.m_chart_scale; } int ChartHeightInPixels(void) const { return this.m_chart_height_px; } double ChartPriceMax(void) const { return this.m_chart_price_max; } double ChartPriceMin(void) const { return this.m_chart_price_min; } };
En el constructor de la clase de patrón abstracto, cambiamos el color de la etiqueta del patrón bidireccional y establecemos los valores por defecto para el puntero al objeto de dibujo (NULL), para la bandera de dibujado, los patrones con puntos (true) y para el número de formaciones incorporadas, igual a 1 (sin patrones anidados entre sí):
//+------------------------------------------------------------------+ //| Constructor | //+------------------------------------------------------------------+ CPattern::CPattern(const ENUM_PATTERN_STATUS status,const ENUM_PATTERN_TYPE type,const uint id,const ENUM_PATTERN_DIRECTION direction,const string symbol,const ENUM_TIMEFRAMES timeframe,MqlRates &rates) { //--- Set pattern object properties this.m_digits=(int)::SymbolInfoInteger(symbol,SYMBOL_DIGITS); this.m_type=OBJECT_DE_TYPE_SERIES_PATTERN; this.SetProperty(PATTERN_PROP_STATUS,status); this.SetProperty(PATTERN_PROP_TYPE,type); this.SetProperty(PATTERN_PROP_ID,id); this.SetProperty(PATTERN_PROP_DIRECTION,direction); this.SetProperty(PATTERN_PROP_PERIOD,timeframe); this.SetProperty(PATTERN_PROP_TIME,rates.time); this.SetProperty(PATTERN_PROP_BAR_PRICE_OPEN,rates.open); this.SetProperty(PATTERN_PROP_BAR_PRICE_HIGH,rates.high); this.SetProperty(PATTERN_PROP_BAR_PRICE_LOW,rates.low); this.SetProperty(PATTERN_PROP_BAR_PRICE_CLOSE,rates.close); this.SetProperty(PATTERN_PROP_SYMBOL,symbol); //--- Create symbol code this.m_symbol_code=0; for(int i=0;i<(int)symbol.Length();i++) this.m_symbol_code+=symbol.GetChar(i); //--- Pattern code = defining bar time + type + status + pattern direction + timeframe + symbol code ulong code=(ulong)rates.time+type+status+direction+timeframe+this.m_symbol_code; this.SetProperty(PATTERN_PROP_CODE,code); //--- Set pattern graphical objects parameters (chart labels) this.m_name_graph_obj=::StringFormat("%s_p%lu",this.m_name_program,code); this.m_color_bullish=clrBlue; this.m_color_bearish=clrRed; this.m_color_bidirect=clrMediumSeaGreen; if(this.Direction()==PATTERN_DIRECTION_BULLISH) { this.m_color=this.m_color_bullish; this.m_price=rates.low; } else if(this.Direction()==PATTERN_DIRECTION_BEARISH) { this.m_color=this.m_color_bearish; this.m_price=rates.high; } else { this.m_color=this.m_color_bidirect; this.m_price=(rates.open+rates.close)/2; } //--- Set base colors of the pattern information panels this.m_color_panel_bullish=clrLightGray; this.m_color_panel_bearish=clrLightGray; this.m_color_panel_bidirect=clrLightGray; this.m_form=NULL; this.m_bitmap=NULL; this.m_draw_dots=true; this.m_bars_formation=1; }
En el destructor de la clase, eliminamos el objeto de dibujo:
//+------------------------------------------------------------------+ //| Destructor | //+------------------------------------------------------------------+ CPattern::~CPattern(void) { //--- Delete the form object and pattern label on the chart if(this.m_form!=NULL) delete this.m_form; if(this.m_bitmap!=NULL) delete this.m_bitmap; this.DeleteGraphObj(); }
En el método que retorna la descripción de la propiedad entera del patrón, añadimos la muestra de la descripción de la hora de apertura de la barra madre del patrón:
//+------------------------------------------------------------------+ //| Return the description of the pattern integer property | //+------------------------------------------------------------------+ string CPattern::GetPropertyDescription(ENUM_PATTERN_PROP_INTEGER property) { return ( property==PATTERN_PROP_CODE ? CMessage::Text(MSG_LIB_TEXT_PATTERN_CODE)+ (!this.SupportProperty(property) ? ": "+CMessage::Text(MSG_LIB_PROP_NOT_SUPPORTED) : ": "+(string)this.GetProperty(property) ) : property==PATTERN_PROP_TIME ? CMessage::Text(MSG_LIB_TEXT_PATTERN_TIME)+ (!this.SupportProperty(property) ? ": "+CMessage::Text(MSG_LIB_PROP_NOT_SUPPORTED) : ": "+::TimeToString(this.GetProperty(property),TIME_DATE|TIME_MINUTES) ) : property==PATTERN_PROP_MOTHERBAR_TIME ? CMessage::Text(MSG_LIB_TEXT_PATTERN_MOTHERBAR_TIME)+ (!this.SupportProperty(property) ? ": "+CMessage::Text(MSG_LIB_PROP_NOT_SUPPORTED) : ": "+::TimeToString(this.GetProperty(property),TIME_DATE|TIME_MINUTES) ) : property==PATTERN_PROP_STATUS ? CMessage::Text(MSG_ORD_STATUS)+ (!this.SupportProperty(property) ? ": "+CMessage::Text(MSG_LIB_PROP_NOT_SUPPORTED) : ": "+this.StatusDescription() ) : property==PATTERN_PROP_TYPE ? CMessage::Text(MSG_ORD_TYPE)+ (!this.SupportProperty(property) ? ": "+CMessage::Text(MSG_LIB_PROP_NOT_SUPPORTED) : ": "+this.TypeDescription() ) : property==PATTERN_PROP_ID ? CMessage::Text(MSG_LIB_TEXT_PATTERN_ID)+ (!this.SupportProperty(property) ? ": "+CMessage::Text(MSG_LIB_PROP_NOT_SUPPORTED) : ": "+(string)this.GetProperty(property) ) : property==PATTERN_PROP_CTRL_OBJ_ID ? CMessage::Text(MSG_LIB_TEXT_PATTERN_CTRL_OBJ_ID)+ (!this.SupportProperty(property) ? ": "+CMessage::Text(MSG_LIB_PROP_NOT_SUPPORTED) : ": "+(string)this.GetProperty(property) ) : property==PATTERN_PROP_DIRECTION ? CMessage::Text(MSG_LIB_TEXT_PATTERN_DIRECTION)+ (!this.SupportProperty(property) ? ": "+CMessage::Text(MSG_LIB_PROP_NOT_SUPPORTED) : ": "+this.DirectDescription() ) : property==PATTERN_PROP_PERIOD ? CMessage::Text(MSG_LIB_TEXT_BAR_PERIOD)+ (!this.SupportProperty(property) ? ": "+CMessage::Text(MSG_LIB_PROP_NOT_SUPPORTED) : ": "+TimeframeDescription((ENUM_TIMEFRAMES)this.GetProperty(property)) ) : property==PATTERN_PROP_CANDLES ? CMessage::Text(MSG_LIB_TEXT_PATTERN_CANDLES)+ (!this.SupportProperty(property) ? ": "+CMessage::Text(MSG_LIB_PROP_NOT_SUPPORTED) : ": "+(string)this.GetProperty(property) ) : "" ); }
Implementación del método que establece los datos de la barra "madre":
//+------------------------------------------------------------------+ //| Set the "mother" bar data | //+------------------------------------------------------------------+ void CPattern::SetMotherBarData(MqlRates &data) { this.m_mother_bar_prop.open=data.open; this.m_mother_bar_prop.high=data.high; this.m_mother_bar_prop.low=data.low; this.m_mother_bar_prop.close=data.close; this.m_mother_bar_prop.time=data.time; this.SetProperty(PATTERN_PROP_MOTHERBAR_TIME,data.time); }
La estructura de la barra se transmite al método, y los campos necesarios de esta estructura se escriben en los campos correspondientes de la estructura de la variable de miembro de clase m_mother_bar_prop. Además, la hora de la estructura de la barra transmitida se escribe en la propiedad de hora de la barra madre: este valor está presente en las propiedades del objeto y debe ser rellenado correctamente.
En el método que muestra el panel de información en el gráfico, hemos añadido una variable de entrada con la necesidad de redibujar el gráfico y redibujar el gráfico si el valor de esta variable se establece en true:
//+------------------------------------------------------------------+ //| Display the info panel on the chart | //+------------------------------------------------------------------+ void CPattern::ShowInfoPanel(const int x,const int y,const bool redraw=true) { //--- If there is no panel object yet, create it if(this.m_form==NULL) if(!this.CreateInfoPanel()) return; //--- Get the chart width and height int chart_w=(int)::ChartGetInteger(this.m_chart_id,CHART_WIDTH_IN_PIXELS); int chart_h=(int)::ChartGetInteger(this.m_chart_id,CHART_HEIGHT_IN_PIXELS); //--- Calculate the X and Y coordinates of the panel so that it does not go beyond the chart int cx=(x+this.m_form.Width() >chart_w-1 ? chart_w-1-this.m_form.Width() : x); int cy=(y+this.m_form.Height()>chart_h-1 ? chart_h-1-this.m_form.Height() : y); //--- Set the calculated coordinates and display the panel if(this.m_form.SetCoordX(cx) && this.m_form.SetCoordY(cy)) this.m_form.Show(); if(redraw) ::ChartRedraw(this.m_chart_id); }
Esto se hace para que la barra con la descripción del patrón aparezca sin demora después de pasar el cursor del ratón sobre la barra con el patrón. Si hay varios patrones en esta barra, el valor de esta variable deberá fijarse en false para todos los paneles informativos cuando se muestren en el gráfico, y solo para el último, en true. En este caso, el gráfico se redibujará solo después de que se muestre el último panel, no en cada panel.
Como los patrones pueden mostrarse en el gráfico de dos formas: puntos y objetos de dibujo, vamos a refinar el método que muestra el icono del patrón en el gráfico:
//+------------------------------------------------------------------+ //| Display the pattern icon on the chart | //+------------------------------------------------------------------+ void CPattern::Show(const bool redraw=false) { if(this.m_draw_dots) { ::ObjectSetInteger(this.m_chart_id,this.m_name_graph_obj,OBJPROP_TIMEFRAMES,OBJ_ALL_PERIODS); return; } if(this.m_bitmap!=NULL) this.m_bitmap.Show(); if(redraw) ::ChartRedraw(this.m_chart_id); }
Si dibujamos con puntos, al igual que antes, activaremos la visibilidad del objeto gráfico. Si dibujamos con un objeto de dibujo, llamaremos a su método Show() cuando esté disponible. Al final, actualizaremos el gráfico si la bandera de redibujado está activada.
Vamos a mejorar de forma similar el método que oculta el icono del patrón en el gráfico:
//+------------------------------------------------------------------+ //| Hide the pattern icon on the chart | //+------------------------------------------------------------------+ void CPattern::Hide(const bool redraw=false) { if(this.m_draw_dots) { ::ObjectSetInteger(this.m_chart_id,this.m_name_graph_obj,OBJPROP_TIMEFRAMES,OBJ_NO_PERIODS); return; } if(this.m_bitmap!=NULL) this.m_bitmap.Hide(); if(redraw) ::ChartRedraw(this.m_chart_id); }
Método que calcula la anchura de un objeto de dibujo:
//+------------------------------------------------------------------+ //| Calculate the bitmap object width | //+------------------------------------------------------------------+ int CPattern::GetBitmapWidth(void) { //--- Calculate the width of the chart candles in pixels int px=int(1<<this.m_chart_scale); //--- Calculate the number of bars that make up the pattern int num_bars=::Bars(this.Symbol(),this.Timeframe(),this.MotherBarTime(),this.Time()); if(num_bars==0) num_bars=(int)this.Candles(); //--- Calculate and return the width of the bitmap object return (px*num_bars*2)-px+1; }
Según la escala del gráfico, calculamos la anchura de las velas en píxeles. A continuación, obtenemos la anchura del patrón en barras y usamos estos dos valores para calcular y retornar la anchura necesaria del objeto de dibujo.
Método que calcula la altura del objeto de dibujo:
//+------------------------------------------------------------------+ //| Calculate the bitmap object height | //+------------------------------------------------------------------+ int CPattern::GetBitmapHeight(void) { //--- Calculate the chart price range and pattern price range double chart_price_range=this.m_chart_price_max-this.m_chart_price_min; double patt_price_range=this.MotherBarHigh()-this.MotherBarLow(); //--- Using the calculated price ranges, calculate and return the height of the bitmap object return (int)ceil(patt_price_range*this.m_chart_height_px/chart_price_range)+8; }
Aquí obtenemos el rango de precios del gráfico desde el precio máximo del gráfico hasta el precio mínimo del gráfico, así como el rango de precios del patrón desde el High de la vela madre hasta el Low de la vela madre. Luego calculamos la relación de un rango a otro en píxeles y retornamos el valor obtenido de la altura del objeto de dibujo añadiéndole 8 píxeles: cuatro píxeles en la parte superior e inferior.
En el constructor del patrón "Pin bar", establecemos un número de patrones anidados igual al valor de barras del patrón (1):
//+------------------------------------------------------------------+ //| Constructor | //+------------------------------------------------------------------+ CPatternPinBar::CPatternPinBar(const uint id,const string symbol,const ENUM_TIMEFRAMES timeframe,MqlRates &rates,const ENUM_PATTERN_DIRECTION direct) : CPattern(PATTERN_STATUS_PA,PATTERN_TYPE_PIN_BAR,id,direct,symbol,timeframe,rates) { this.SetProperty(PATTERN_PROP_NAME,"Pin Bar"); this.SetProperty(PATTERN_PROP_CANDLES,1); this.m_bars_formation=(int)this.GetProperty(PATTERN_PROP_CANDLES); }
Ahora vamos a crear una nueva clase de patrón de Price Action "Barra interior".
Clase de patrón "Barra interior"
En el mismo archivo donde están escritas las clases patrón abstracto y patrón "Pin Bar", vamos a crear una nueva clase: la clase patrón "Barra interior". En esencia, solo tenemos que escribir (redefinir) algunos métodos virtuales y valores de propiedad del patrón. La clase debe heredar de la clase objeto patrón abstracto:
//+------------------------------------------------------------------+ //| "Inside Bar" pattern class | //+------------------------------------------------------------------+ class CPatternInsideBar : public CPattern { protected: //--- Create the (1) image object, the appearance of the (2) info panel and (3) the bitmap object virtual bool CreateBitmap(void); virtual void CreateInfoPanelView(void); void CreateBitmapView(void); public: //--- Return the flag of the pattern supporting the specified property virtual bool SupportProperty(ENUM_PATTERN_PROP_INTEGER property) { return true; } virtual bool SupportProperty(ENUM_PATTERN_PROP_DOUBLE property) { return true; } virtual bool SupportProperty(ENUM_PATTERN_PROP_STRING property) { return true; } //--- Return description of the pattern (1) status and (2) type virtual string StatusDescription(void) const { return CMessage::Text(MSG_LIB_TEXT_PATTERN_STATUS_PA); } virtual string TypeDescription(void) const { return CMessage::Text(MSG_LIB_TEXT_PATTERN_TYPE_INSIDE_BAR); } //--- Draw the pattern icon on the chart virtual void Draw(const bool redraw); //--- Constructor CPatternInsideBar(const uint id,const string symbol,const ENUM_TIMEFRAMES timeframe,MqlRates &rates,const ENUM_PATTERN_DIRECTION direct); };
En el constructor de la clase, establecemos el nombre del patrón, un número de barras del patrón igual a dos y, en consecuencia, un número de barras de formaciones anidadas igual a 2, no hay formaciones anidadas:
//+------------------------------------------------------------------+ //| Constructor | //+------------------------------------------------------------------+ CPatternInsideBar::CPatternInsideBar(const uint id,const string symbol,const ENUM_TIMEFRAMES timeframe,MqlRates &rates,const ENUM_PATTERN_DIRECTION direct) : CPattern(PATTERN_STATUS_PA,PATTERN_TYPE_INSIDE_BAR,id,direct,symbol,timeframe,rates) { this.SetProperty(PATTERN_PROP_NAME,"Inside Bar"); this.SetProperty(PATTERN_PROP_CANDLES,2); this.m_bars_formation=(int)this.GetProperty(PATTERN_PROP_CANDLES); }
Método virtual que crea la apariencia del panel de información:
//+------------------------------------------------------------------+ //| Create the info panel appearance | //+------------------------------------------------------------------+ void CPatternInsideBar::CreateInfoPanelView(void) { //--- If the form object is not created, leave if(this.m_form==NULL) return; //--- Declare the array for the initial and final colors of the gradient fill color clr[2]={this.m_form.ChangeColorLightness(this.m_color_panel_bidirect,-5),this.m_form.ChangeColorLightness(this.m_color_panel_bidirect,15)}; //--- Set the background and form frame colors this.m_form.SetBackgroundColor(this.m_color_panel_bidirect,true); this.m_form.SetBorderColor(clrGray,true); //--- Create strings to describe the pattern, its parameters and search criteria string name=::StringFormat("Inside Bar (%lu bars)",int(this.Time()-this.MotherBarTime())/::PeriodSeconds(this.Timeframe())+1); string param=this.DirectDescription();//::StringFormat("%s (%.2f/%.2f/%.2f)",this.DirectDescription(),this.GetProperty(PATTERN_PROP_RATIO_BODY_TO_CANDLE_SIZE_CRITERION),this.GetProperty(PATTERN_PROP_RATIO_LARGER_SHADOW_TO_CANDLE_SIZE_CRITERION),this.GetProperty(PATTERN_PROP_RATIO_SMALLER_SHADOW_TO_CANDLE_SIZE_CRITERION)); //--- Set the coordinates of the panel and calculate its width and height depending on the size of the texts placed on the panel int x=3; int y=20; int w=4+(::fmax(20+this.m_form.TextWidth(name),::fmax(x+this.m_form.TextWidth(param),x+this.m_form.TextWidth(::TimeToString(this.Time()))))); int h=2+(20+this.m_form.TextHeight(this.DirectDescription())+this.m_form.TextHeight(::TimeToString(this.Time()))); //--- Set the width and height of the panel according to the calculated values this.m_form.SetWidth(w); this.m_form.SetHeight(h); //--- Depending on the chart size and coordinates, we calculate the coordinates of the panel so that it does not go beyond the chart int chart_w=(int)::ChartGetInteger(this.m_chart_id,CHART_WIDTH_IN_PIXELS); int chart_h=(int)::ChartGetInteger(this.m_chart_id,CHART_HEIGHT_IN_PIXELS); int cx=(this.m_form.RightEdge() >chart_w-1 ? chart_w-1-this.m_form.Width() : this.m_form.CoordX()); int cy=(this.m_form.BottomEdge()>chart_h-1 ? chart_h-1-this.m_form.Height() : this.m_form.CoordY()); this.m_form.SetCoordX(cx); this.m_form.SetCoordY(cy); //--- Fill the background with a gradient color this.m_form.Erase(clr,200,true,false); //--- Draw the panel frame, an icon with (i), draw the header text with the proportions of a candle and separate the header with a horizontal line this.m_form.DrawFrameSimple(0,0,this.m_form.Width(),this.m_form.Height(),1,1,1,1,this.m_form.BorderColor(),200); this.m_form.DrawIconInfo(1,1,200); this.m_form.Text(20,3,name,clrBlack,200); this.m_form.DrawLine(1,18,this.m_form.Width()-1,18,clrDarkGray,250); //--- Under the horizontal line, enter the pattern description with its search criteria and the date of the pattern-defining bar y=20; this.m_form.Text(x,y,param,clrBlack,200); y+=this.m_form.TextHeight(::TimeToString(this.Time())); this.m_form.Text(x,y,::TimeToString(this.Time()),clrBlack,200); //--- Update the panel while redrawing the chart this.m_form.Update(true); }
Para cada tipo de patrón crearemos nuestros propios métodos virtuales para crear la apariencia del panel de información porque cada patrón tiene su propio conjunto de parámetros significativos que se pueden mostrar en el panel para lograr una descripción más visual del patrón.
Método que dibuja un icono de patrón en un gráfico:
//+------------------------------------------------------------------+ //| Draw the pattern icon on the chart | //+------------------------------------------------------------------+ void CPatternInsideBar::Draw(const bool redraw) { //--- If the flag for drawing with dots is set, call the parent class method and leave if(this.m_draw_dots) { CPattern::Draw(redraw); return; } //--- If the bitmap object has not yet been created, create it if(this.m_bitmap==NULL) { if(!this.CreateBitmap()) return; } //--- display this.Show(redraw); }
La lógica del método está descrita en los comentarios. El método de la clase padre crea y dibuja etiquetas de patrones (puntos) en el gráfico. Por ello, si la bandera de dibujado con puntos está activada, se dibujarán mediante el método de la clase padre.
En caso contrario, se creará un objeto de dibujo y se mostrará en el gráfico.
Método que crea un objeto de dibujo:
//+------------------------------------------------------------------+ //| Create the bitmap object | //+------------------------------------------------------------------+ bool CPatternInsideBar::CreateBitmap(void) { //--- If the bitmap object has already been created earlier, return 'true' if(this.m_bitmap!=NULL) return true; //--- Calculate the object coordinates and dimensions datetime time=this.MotherBarTime(); double price=(this.MotherBarHigh()+this.MotherBarLow())/2; int w=this.GetBitmapWidth(); int h=this.GetBitmapHeight(); //--- Create the Bitmap object this.m_bitmap=this.CreateBitmap(this.ID(),this.GetChartID(),0,this.Name(),time,price,w,h,this.m_color_bidirect); if(this.m_bitmap==NULL) return false; //--- Set the object origin to its center and remove the tooltip ::ObjectSetInteger(this.GetChartID(),this.m_bitmap.NameObj(),OBJPROP_ANCHOR,ANCHOR_CENTER); ::ObjectSetString(this.GetChartID(),this.m_bitmap.NameObj(),OBJPROP_TOOLTIP,"\n"); //--- Draw the bitmap object appearance this.CreateBitmapView(); return true; }
Método que crea la apariencia del objeto de dibujo:
//+------------------------------------------------------------------+ //| Create the bitmap object appearance | //+------------------------------------------------------------------+ void CPatternInsideBar::CreateBitmapView(void) { this.m_bitmap.Erase(CLR_CANV_NULL,0); int x=this.m_bitmap.Width()/2-int(1<<this.m_chart_scale)/2; this.m_bitmap.DrawRectangleFill(x,0,this.m_bitmap.Width()-1,this.m_bitmap.Height()-1,this.m_color_bidirect,80); this.m_bitmap.DrawRectangle(x,0,this.m_bitmap.Width()-1,this.m_bitmap.Height()-1,clrGray); this.m_bitmap.Update(false); }
Aquí, rellenamos el lienzo con color transparente y calculamos la coordenada X inicial del rectángulo que contornea las barras del patrón. A continuación, rellenamos el área rectangular que comienza en la coordenada X calculada con el color establecido para el patrón bidireccional y una opacidad 80, y trazamos el área rellenada con un rectángulo gris. Una vez finalizado el dibujo, actualizamos el recurso sin redibujar el gráfico.
Cada patrón buscado con sus parámetros es controlado y procesado por un objeto de clase de control de patrones. Dicho objeto se crea una vez cuando se establece el permiso para buscar un patrón con el tipo especificado y los parámetros de búsqueda de patrones indicados. En la misma clase necesitamos leer las propiedades de la ventana del gráfico, para leerlas solo una vez al crear un objeto de control, y luego escribir los parámetros del gráfico leídos en los objetos de patrón creados. Las propiedades del gráfico son necesarias para garantizar que los paneles de información de cada patrón individual no se extiendan más allá del borde del gráfico al ser mostrados. Si leemos los parámetros del gráfico cada vez que creamos un nuevo objeto de patrón, resultaría muy costoso, porque hay muchos patrones en una serie temporal. Y para qué leer los mismos parámetros cada vez cuando podemos leerlos una vez y luego utilizarlos en cada patrón que creemos. También necesitaremos parámetros de gráfico al crear objetos de dibujo que tracen barras de patrones. Una vez más, calcular siempre el mismo tamaño del gráfico no será lo mejor. Por lo tanto, solo los calcularemos al crear un objeto de control de patrones. Pero aquí hay un matiz importante: cuando se redimensiona el gráfico, todos los datos leídos anteriormente siguen siendo los mismos. Y deberán solicitarse de nuevo al gráfico y escribirse en las propiedades de cada patrón. Implementaremos esto en artículos posteriores.
La clase de objeto de control de patrones se encuentra en el archivo \MQL5\Include\DoEasy\Objects\Series\SeriesDE.mqh. Haremos los ajustes necesarios:
//+------------------------------------------------------------------+ //| Abstract pattern control class | //+------------------------------------------------------------------+ class CPatternControl : public CBaseObjExt { private: ENUM_TIMEFRAMES m_timeframe; // Pattern timeseries chart period string m_symbol; // Pattern timeseries symbol double m_point; // Symbol Point bool m_used; // Pattern use flag bool m_drawing; // Flag for drawing the pattern icon on the chart bool m_draw_dots; // Flag for drawing the pattern icon on the chart with dots //--- Handled pattern ENUM_PATTERN_TYPE m_type_pattern; // Pattern type protected: //--- Candle proportions double m_ratio_body_to_candle_size; // Percentage ratio of the candle body to the full size of the candle double m_ratio_larger_shadow_to_candle_size; // Percentage ratio of the size of the larger shadow to the size of the candle double m_ratio_smaller_shadow_to_candle_size; // Percentage ratio of the size of the smaller shadow to the size of the candle ulong m_object_id; // Unique object code based on pattern search criteria //--- List views CArrayObj *m_list_series; // Pointer to the timeseries list CArrayObj *m_list_all_patterns; // Pointer to the list of all patterns CPattern m_pattern_instance; // Pattern object for searching by property ulong m_symbol_code; // Chart symbol name as a number int m_chart_scale; // Chart scale int m_chart_height_px; // Height of the chart in pixels double m_chart_price_max; // Chart maximum double m_chart_price_min; // Chart minimum //--- (1) Search for a pattern, return direction (or -1 if no pattern is found), //--- (2) create a pattern with a specified direction, //--- (3) create and return a unique pattern code, //--- (4) return the list of patterns managed by the object virtual ENUM_PATTERN_DIRECTION FindPattern(const datetime series_bar_time,const uint min_body_size,MqlRates &mother_bar_data) const { return WRONG_VALUE; } virtual CPattern *CreatePattern(const ENUM_PATTERN_DIRECTION direction,const uint id,CBar *bar){ return NULL; } virtual ulong GetPatternCode(const ENUM_PATTERN_DIRECTION direction,const datetime time) const { return 0; } virtual CArrayObj*GetListPatterns(void) { return NULL; } //--- Create object ID based on pattern search criteria virtual ulong CreateObjectID(void) { return 0; } //--- Write bar data to the structure void SetBarData(CBar *bar,MqlRates &rates) const { if(bar==NULL) return; rates.open=bar.Open(); rates.high=bar.High(); rates.low=bar.Low(); rates.close=bar.Close(); rates.time=bar.Time(); } public: //--- Returns (1) itself, (2) pattern usage flag CPatternControl *GetObject(void) { return &this; } //--- (1) Set and (2) return the pattern usage flag void SetUsed(const bool flag) { this.m_used=flag; } bool IsUsed(void) const { return this.m_used; } //--- (1) Set and (2) return the pattern drawing flag void SetDrawing(const bool flag) { this.m_drawing=flag; } bool IsDrawing(void) const { return this.m_drawing; } //--- (1) Set and (2) return the flag for drawing pattern icons as dots void SetDrawingAsDots(const bool flag,const bool redraw); bool IsDrawingAsDots(void) const { return this.m_draw_dots; } //--- Set the necessary percentage ratio of the candle body to the full size of the candle, //--- size of the (2) upper and (3) lower shadow to the candle size void SetRatioBodyToCandleSizeValue(const double value) { this.m_ratio_body_to_candle_size=value; } void SetRatioLargerShadowToCandleSizeValue(const double value) { this.m_ratio_larger_shadow_to_candle_size=value; } void SetRatioSmallerShadowToCandleSizeValue(const double value) { this.m_ratio_smaller_shadow_to_candle_size=value; } //--- Return the percentage ratio (1) of the candle body to the full size of the candle, //--- size of the (2) upper and (3) lower shadow to the candle size double RatioBodyToCandleSizeValue(void) const { return this.m_ratio_body_to_candle_size; } double RatioLargerShadowToCandleSizeValue(void) const { return this.m_ratio_larger_shadow_to_candle_size; } double RatioSmallerShadowToCandleSizeValue(void) const { return this.m_ratio_smaller_shadow_to_candle_size; } //--- Return object ID based on pattern search criteria virtual ulong ObjectID(void) const { return this.m_object_id; } //--- Return pattern (1) type, (2) timeframe, (3) symbol, (4) symbol Point, (5) symbol code ENUM_PATTERN_TYPE TypePattern(void) const { return this.m_type_pattern; } ENUM_TIMEFRAMES Timeframe(void) const { return this.m_timeframe; } string Symbol(void) const { return this.m_symbol; } double Point(void) const { return this.m_point; } ulong SymbolCode(void) const { return this.m_symbol_code; } //--- Set the (1) chart scale, (2) chart height in pixels, (3) chart maximum and (3) minimum void SetChartScale(const int scale) { this.m_chart_scale=scale; } void SetChartHeightInPixels(const int height) { this.m_chart_height_px=height; } void SetChartPriceMax(const double price) { this.m_chart_price_max=price; } void SetChartPriceMin(const double price) { this.m_chart_price_min=price; } //--- Return the (1) chart scale, (2) chart height in pixels, (3) chart maximum and (3) minimum int ChartScale(void) const { return this.m_chart_scale; } int ChartHeightInPixels(void) const { return this.m_chart_height_px; } double ChartPriceMax(void) const { return this.m_chart_price_max; } double ChartPriceMin(void) const { return this.m_chart_price_min; } //--- Compare CPatternControl objects by all possible properties virtual int Compare(const CObject *node,const int mode=0) const; //--- Search for patterns and add found ones to the list of all patterns virtual int CreateAndRefreshPatternList(const uint min_body_size); //--- Display patterns on the chart void DrawPatterns(const bool redraw=false); //--- Protected parametric constructor protected: CPatternControl(const string symbol,const ENUM_TIMEFRAMES timeframe,const ENUM_PATTERN_STATUS status,const ENUM_PATTERN_TYPE type,CArrayObj *list_series,CArrayObj *list_patterns); };
La mayoría de los métodos no necesitan introducción: su propósito se detalla en los comentarios; los métodos simplemente establecen o retornan los parámetros correspondientes del objeto de clase. En el método de búsqueda de patrones transmitiremos ahora un enlace a la estructura MqlRates, en la que escribiremos los datos de la barra madre. Para registrar estos datos, se escribe el método SetBarData(), que transmite el puntero al objeto de barra y un enlace a una variable de tipo MqlRates, en cuyos campos se escriben las propiedades correspondientes del objeto de barra. En el método CreateAndRefreshPatternList() transmitimos el tamaño mínimo del cuerpo de la vela. A continuación, añadimos este valor al objeto de control de patrones, que pasaremos al método de búsqueda y actualización de patrones. La idea es omitir las barras con tamaños inferiores a este valor durante la búsqueda de patrones, como un filtro adicional según el tamaño del cuerpo de la vela que se establece de inmediato durante la búsqueda de patrones para cortar las barras con cuerpos muy pequeños. Por ahora transmitiremos cero, lo cual desactivará este filtro.
En el constructor de la clase, leemos los datos del gráfico y los escribimos en las nuevas variables de la clase:
//+------------------------------------------------------------------+ //| CPatternControl::Protected parametric constructor | //+------------------------------------------------------------------+ CPatternControl::CPatternControl(const string symbol,const ENUM_TIMEFRAMES timeframe,const ENUM_PATTERN_STATUS status,const ENUM_PATTERN_TYPE type,CArrayObj *list_series,CArrayObj *list_patterns) : m_ratio_body_to_candle_size(30),m_ratio_larger_shadow_to_candle_size(60),m_ratio_smaller_shadow_to_candle_size(30),m_used(true),m_drawing(true) { this.m_type=OBJECT_DE_TYPE_SERIES_PATTERN_CONTROL; this.m_type_pattern=type; this.m_symbol=(symbol==NULL || symbol=="" ? ::Symbol() : symbol); this.m_timeframe=(timeframe==PERIOD_CURRENT ? ::Period() : timeframe); this.m_point=::SymbolInfoDouble(this.m_symbol,SYMBOL_POINT); this.m_object_id=0; this.m_list_series=list_series; this.m_list_all_patterns=list_patterns; for(int i=0;i<(int)this.m_symbol.Length();i++) this.m_symbol_code+=this.m_symbol.GetChar(i); this.m_chart_scale=(int)::ChartGetInteger(this.m_chart_id,CHART_SCALE); this.m_chart_height_px=(int)::ChartGetInteger(this.m_chart_id,CHART_HEIGHT_IN_PIXELS); this.m_chart_price_max=::ChartGetDouble(this.m_chart_id,CHART_PRICE_MAX); this.m_chart_price_min=::ChartGetDouble(this.m_chart_id,CHART_PRICE_MIN); }
En el método que busca patrones y añade los patrones encontrados a la lista de todos los patrones, realizaremos las mejoras necesarias:
//+------------------------------------------------------------------+ //| CPatternControl::Search for patterns and add | //| found ones to the list of all patterns | //+------------------------------------------------------------------+ int CPatternControl::CreateAndRefreshPatternList(const uint min_body_size) { //--- If not used, leave if(!this.m_used) return 0; //--- Reset the timeseries event flag and clear the list of all timeseries pattern events this.m_is_event=false; this.m_list_events.Clear(); //--- Get the opening date of the last (current) bar datetime time_open=0; if(!::SeriesInfoInteger(this.Symbol(),this.Timeframe(),SERIES_LASTBAR_DATE,time_open)) return 0; //--- Get a list of all bars in the timeseries except the current one CArrayObj *list=CSelect::ByBarProperty(this.m_list_series,BAR_PROP_TIME,time_open,LESS); if(list==NULL || list.Total()==0) return 0; //--- "Mother" bar data structure MqlRates pattern_mother_bar_data={}; //--- Sort the resulting list by bar opening time list.Sort(SORT_BY_BAR_TIME); //--- In a loop from the latest bar, for(int i=list.Total()-1;i>=0;i--) { //--- get the next bar object from the list CBar *bar=list.At(i); if(bar==NULL) continue; //--- look for a pattern relative to the received bar ENUM_PATTERN_DIRECTION direction=this.FindPattern(bar.Time(),min_body_size,pattern_mother_bar_data); //--- If there is no pattern, go to the next bar if(direction==WRONG_VALUE) continue; //--- Pattern found on the current bar of the loop //--- unique pattern code = candle opening time + type + status + pattern direction + timeframe + timeseries symbol ulong code=this.GetPatternCode(direction,bar.Time()); //--- Set the pattern code to the sample this.m_pattern_instance.SetProperty(PATTERN_PROP_CODE,code); //--- Sort the list of all patterns by the unique pattern code this.m_list_all_patterns.Sort(SORT_BY_PATTERN_CODE); //--- search for a pattern in the list using a unique code int index=this.m_list_all_patterns.Search(&this.m_pattern_instance); //--- If there is no pattern equal to the sample in the list of all patterns if(index==WRONG_VALUE) { //--- Create the pattern object CPattern *pattern=this.CreatePattern(direction,this.m_list_all_patterns.Total(),bar); if(pattern==NULL) continue; //--- Sort the list of all patterns by time and insert the pattern into the list by its time this.m_list_all_patterns.Sort(SORT_BY_PATTERN_TIME); if(!this.m_list_all_patterns.InsertSort(pattern)) { delete pattern; continue; } //--- Add the pattern to the list of bar object patterns bar.AddPattern(pattern.TypePattern()); //--- Add the pointer to the bar the pattern object is found on, together with the mother bar data pattern.SetPatternBar(bar); pattern.SetMotherBarData(pattern_mother_bar_data); //--- set the chart data to the pattern object pattern.SetChartHeightInPixels(this.m_chart_height_px); pattern.SetChartScale(this.m_chart_scale); pattern.SetChartPriceMax(this.m_chart_price_max); pattern.SetChartPriceMin(this.m_chart_price_min); //--- If the drawing flag is set, draw the pattern label on the chart if(this.m_drawing) pattern.Draw(false); } } //--- Sort the list of all patterns by time and return the total number of patterns in the list this.m_list_all_patterns.Sort(SORT_BY_PATTERN_TIME); return m_list_all_patterns.Total(); }
Ahora transmitimos al método el tamaño mínimo del cuerpo de la barra del patrón deseado. En el método de búsqueda de patrones transmitimos este tamaño y un enlace a la estructura de la barra madre, donde están escritos los parámetros de esta barra. Si se halla un patrón, escribiremos el tipo del patrón encontrado en el objeto de barra en el que se encuentra el patrón, y escribiremos el puntero a esta barra, los datos de la barra madre y los datos del gráfico en el objeto de patrón encontrado en la barra.
Método que establece la bandera para dibujar los iconos del patrón como puntos:
//+------------------------------------------------------------------+ //| Set the flag for drawing pattern icons as dots | //+------------------------------------------------------------------+ void CPatternControl::SetDrawingAsDots(const bool flag,const bool redraw) { this.m_draw_dots=flag; //--- Get a list of patterns controlled by the control object CArrayObj *list=this.GetListPatterns(); if(list==NULL || list.Total()==0) return; //--- In a loop by the list of patterns, for(int i=list.Total()-1;i>=0;i--) { //--- get the next pattern object CPattern *obj=list.At(i); if(obj==NULL) continue; //--- Set the flag value. If 'false', remove the pattern dot object obj.SetDrawAsDots(flag); if(!flag) obj.DeleteGraphObj(); //--- Display the pattern label on the chart if the flag is 'true' else obj.Draw(false); } //--- At the end of the cycle, redraw the chart if the flag is set if(redraw) ::ChartRedraw(this.m_chart_id); }
La lógica del método se aclara en los comentarios al código. Aquí obtenemos una lista de los patrones que gestiona el objeto de control dado, y escribimos una bandera de dibujado de puntos en cada objeto de patrón. Si la bandera se pone a cero, el punto dibujado previamente deberá eliminarse, y si la bandera se pone a cero, el punto dibujado previamente deberá dibujarse. Cuando finaliza el ciclo de procesamiento de todos los patrones de la lista y, si se transmite la bandera de redibujado al método, se volverá a dibujar el gráfico.
A continuación, necesitamos mejorar la clase de control del patrón "Pin Bar". En el método de búsqueda de patrones, volvemos a añadir la variable MqlRates para registrar los datos de la barra madre:
//+------------------------------------------------------------------+ //| Pin Bar pattern control class | //+------------------------------------------------------------------+ class CPatternControlPinBar : public CPatternControl { protected: //--- (1) Search for a pattern, return direction (or -1), //--- (2) create a pattern with a specified direction, //--- (3) create and return a unique pattern code //--- (4) return the list of patterns managed by the object virtual ENUM_PATTERN_DIRECTION FindPattern(const datetime series_bar_time,const uint min_body_size,MqlRates &mother_bar_data) const; virtual CPattern *CreatePattern(const ENUM_PATTERN_DIRECTION direction,const uint id,CBar *bar); virtual ulong GetPatternCode(const ENUM_PATTERN_DIRECTION direction,const datetime time) const { //--- unique pattern code = candle opening time + type + status + pattern direction + timeframe + timeseries symbol return(time+PATTERN_TYPE_PIN_BAR+PATTERN_STATUS_PA+direction+this.Timeframe()+this.m_symbol_code); } virtual CArrayObj*GetListPatterns(void); //--- Create object ID based on pattern search criteria virtual ulong CreateObjectID(void); public: //--- Parametric constructor CPatternControlPinBar(const string symbol,const ENUM_TIMEFRAMES timeframe, CArrayObj *list_series,CArrayObj *list_patterns, const double ratio_body_to_candle_size, const double ratio_larger_shadow_to_candle_size, const double ratio_smaller_shadow_to_candle_size) : CPatternControl(symbol,timeframe,PATTERN_STATUS_PA,PATTERN_TYPE_PIN_BAR,list_series,list_patterns) { this.m_ratio_body_to_candle_size=ratio_body_to_candle_size; this.m_ratio_larger_shadow_to_candle_size=ratio_larger_shadow_to_candle_size; this.m_ratio_smaller_shadow_to_candle_size=ratio_smaller_shadow_to_candle_size; this.m_object_id=this.CreateObjectID(); } };
En el método que crea un patrón con la dirección especificada, escribimos el registro de datos de la barra en la variable MqlRates:
//+---------------------------------------------------------------------+ //| CPatternControlPinBar::Create a pattern with a specified direction | //+---------------------------------------------------------------------+ CPattern *CPatternControlPinBar::CreatePattern(const ENUM_PATTERN_DIRECTION direction,const uint id,CBar *bar) { //--- If invalid indicator is passed to the bar object, return NULL if(bar==NULL) return NULL; //--- Fill the MqlRates structure with bar data MqlRates rates={0}; this.SetBarData(bar,rates); //--- Create a new Pin Bar pattern CPatternPinBar *obj=new CPatternPinBar(id,this.Symbol(),this.Timeframe(),rates,direction); if(obj==NULL) return NULL; //--- set the proportions of the candle the pattern was found on to the properties of the created pattern object obj.SetProperty(PATTERN_PROP_RATIO_BODY_TO_CANDLE_SIZE,bar.RatioBodyToCandleSize()); obj.SetProperty(PATTERN_PROP_RATIO_LOWER_SHADOW_TO_CANDLE_SIZE,bar.RatioLowerShadowToCandleSize()); obj.SetProperty(PATTERN_PROP_RATIO_UPPER_SHADOW_TO_CANDLE_SIZE,bar.RatioUpperShadowToCandleSize()); //--- set the search criteria of the candle the pattern was found on to the properties of the created pattern object obj.SetProperty(PATTERN_PROP_RATIO_BODY_TO_CANDLE_SIZE_CRITERION,this.RatioBodyToCandleSizeValue()); obj.SetProperty(PATTERN_PROP_RATIO_LARGER_SHADOW_TO_CANDLE_SIZE_CRITERION,this.RatioLargerShadowToCandleSizeValue()); obj.SetProperty(PATTERN_PROP_RATIO_SMALLER_SHADOW_TO_CANDLE_SIZE_CRITERION,this.RatioSmallerShadowToCandleSizeValue()); //--- Set the control object ID to the pattern object obj.SetProperty(PATTERN_PROP_CTRL_OBJ_ID,this.ObjectID()); //--- Return the pointer to a created object return obj; }
Antes hemos introducido los datos elemento por elemento: ahora este registro elemento por elemento se hace en el método SetBarData(), que es lo mismo, pero el código del método es más corto.
En el método que busca un patrón, introducimos el registro de datos en la barra de datos madre de la barra en la que se encuentre el patrón:
//+------------------------------------------------------------------+ //| CPatternControlPinBar::Search for the pattern | //+------------------------------------------------------------------+ ENUM_PATTERN_DIRECTION CPatternControlPinBar::FindPattern(const datetime series_bar_time,const uint min_body_size,MqlRates &mother_bar_data) const { //--- Get data for one bar by time CArrayObj *list=CSelect::ByBarProperty(this.m_list_series,BAR_PROP_TIME,series_bar_time,EQUAL); //--- If the list is empty, return -1 if(list==NULL || list.Total()==0) return WRONG_VALUE; //--- he size of the candle body should be less than or equal to RatioBodyToCandleSizeValue() (default 30%) of the entire candle size, //--- in this case, the body size should not be less than min_body_size list=CSelect::ByBarProperty(list,BAR_PROP_RATIO_BODY_TO_CANDLE_SIZE,this.RatioBodyToCandleSizeValue(),EQUAL_OR_LESS); list=CSelect::ByBarProperty(list,BAR_PROP_RATIO_BODY_TO_CANDLE_SIZE,min_body_size,EQUAL_OR_MORE); //--- If the list is empty - there are no patterns, return -1 if(list==NULL || list.Total()==0) return WRONG_VALUE; //--- Define the bullish pattern //--- The lower shadow should be equal to or greater than RatioLargerShadowToCandleSizeValue() (default 60%) of the entire candle size CArrayObj *list_bullish=CSelect::ByBarProperty(list,BAR_PROP_RATIO_LOWER_SHADOW_TO_CANDLE_SIZE,this.RatioLargerShadowToCandleSizeValue(),EQUAL_OR_MORE); //--- The upper shadow should be less than or equal to RatioSmallerShadowToCandleSizeValue() (default 30%) of the entire candle size list_bullish=CSelect::ByBarProperty(list_bullish,BAR_PROP_RATIO_UPPER_SHADOW_TO_CANDLE_SIZE,this.RatioSmallerShadowToCandleSizeValue(),EQUAL_OR_LESS); //--- If a pattern is found on the bar if(list_bullish!=NULL && list_bullish.Total()>0) { CBar *bar=list.At(list_bullish.Total()-1); if(bar!=NULL) { this.SetBarData(bar,mother_bar_data); return PATTERN_DIRECTION_BULLISH; } } //--- Define the bearish pattern //--- The upper shadow should be equal to or greater than RatioLargerShadowToCandleSizeValue() (default 60%) of the entire candle size CArrayObj *list_bearish=CSelect::ByBarProperty(list,BAR_PROP_RATIO_UPPER_SHADOW_TO_CANDLE_SIZE,this.RatioLargerShadowToCandleSizeValue(),EQUAL_OR_MORE); //--- The lower shadow should be less than or equal to RatioSmallerShadowToCandleSizeValue() (default 30%) of the entire candle size list_bearish=CSelect::ByBarProperty(list_bearish,BAR_PROP_RATIO_LOWER_SHADOW_TO_CANDLE_SIZE,this.RatioSmallerShadowToCandleSizeValue(),EQUAL_OR_LESS); //--- If a pattern is found on the bar if(list_bearish!=NULL && list_bearish.Total()>0) { CBar *bar=list.At(list_bearish.Total()-1); if(bar!=NULL) { this.SetBarData(bar,mother_bar_data); return PATTERN_DIRECTION_BEARISH; } } //--- No patterns found - return -1 return WRONG_VALUE; }
Como "Pin Bar" es una formación de una barra, la barra madre será a la vez la barra definitoria en la que se encuentra el patrón.
Vamos a crear una clase de control para el patrón "Barra interior". La estructura de este patrón está estrictamente definida, y no tiene otros parámetros salvo que la barra definidora (la barra de la derecha) debe estar completamente situada dentro de la barra madre (la barra de la izquierda). No hay más parámetros. Por lo tanto, cualquier patrón "Barra interior" supone un único patrón sobre una serie temporal, a diferencia del patrón "Pin Bar", en el que podemos establecer sus parámetros de búsqueda; los patrones "Pin Bar", además, pueden ser varios con diferentes parámetros sobre una misma serie temporal, y para cada uno de esos patrones se crea su propio objeto de control. Para el patrón "Barra interior", basado en lo anterior, siempre se creará un único objeto de control para cada serie temporal.
En el mismo archivo, después de la clase de gestión del patrón "Pin Bar", añadiremos una nueva clase de control de patrón "Barra interior":
//+------------------------------------------------------------------+ //| Inside Bar pattern control class | //+------------------------------------------------------------------+ class CPatternControlInsideBar : public CPatternControl { private: //--- Check and return the presence of a pattern on two adjacent bars bool CheckInsideBar(const CBar *bar1,const CBar *bar0) const { //--- If empty bar objects are passed, return 'false' if(bar0==NULL || bar1==NULL) return false; //--- Return the fact that the bar on the right is completely within the dimensions of the bar on the left return(bar0.High()<bar1.High() && bar0.Low()>bar1.Low()); } bool FindMotherBar(CArrayObj *list,MqlRates &rates) const { bool res=false; if(list==NULL) return false; //--- In a loop through the list, starting from the bar to the left of the base one for(int i=list.Total()-2;i>0;i--) { //--- Get the pointers to two consecutive bars CBar *bar0=list.At(i); CBar *bar1=list.At(i-1); if(bar0==NULL || bar1==NULL) return false; //--- If the obtained bars represent a pattern if(CheckInsideBar(bar1,bar0)) { //--- set mother bar data to the MqlRates variable and set 'res' to 'true' this.SetBarData(bar1,rates); res=true; } //--- If there is no pattern, interrupt the loop else break; } //--- return the result return res; } protected: //--- (1) Search for a pattern, return direction (or -1), //--- (2) create a pattern with a specified direction, //--- (3) create and return a unique pattern code //--- (4) return the list of patterns managed by the object virtual ENUM_PATTERN_DIRECTION FindPattern(const datetime series_bar_time,const uint min_body_size,MqlRates &mother_bar_data) const; virtual CPattern *CreatePattern(const ENUM_PATTERN_DIRECTION direction,const uint id,CBar *bar); virtual ulong GetPatternCode(const ENUM_PATTERN_DIRECTION direction,const datetime time) const { //--- unique pattern code = candle opening time + type + status + pattern direction + timeframe + timeseries symbol return(time+PATTERN_TYPE_INSIDE_BAR+PATTERN_STATUS_PA+PATTERN_DIRECTION_BOTH+this.Timeframe()+this.m_symbol_code); } virtual CArrayObj*GetListPatterns(void); //--- Create object ID based on pattern search criteria virtual ulong CreateObjectID(void); public: //--- Parametric constructor CPatternControlInsideBar(const string symbol,const ENUM_TIMEFRAMES timeframe, CArrayObj *list_series,CArrayObj *list_patterns) : CPatternControl(symbol,timeframe,PATTERN_STATUS_PA,PATTERN_TYPE_INSIDE_BAR,list_series,list_patterns) { this.m_ratio_body_to_candle_size=0; this.m_ratio_larger_shadow_to_candle_size=0; this.m_ratio_smaller_shadow_to_candle_size=0; this.m_object_id=this.CreateObjectID(); } };
La clase es casi una copia de la clase de control del patrón "Pin Bar", que ya analizamos en el artículo anterior sobre los patrones de biblioteca. En el constructor de la clase, ponemos a cero todos los criterios para la búsqueda de patrones, ya que aquí no se utilizan. Y el identificador del objeto es siempre cero porque es el único objeto en una serie temporal:
//+------------------------------------------------------------------+ //| Create object ID based on pattern search criteria | //+------------------------------------------------------------------+ ulong CPatternControlInsideBar::CreateObjectID(void) { return 0; }
Los principales métodos para encontrar un patrón son el método de comparación de dos barras vecinas para detectar la presencia de un patrón y el método para encontrar la barra madre:
//--- Check and return the presence of a pattern on two adjacent bars bool CheckInsideBar(const CBar *bar1,const CBar *bar0) const { //--- If empty bar objects are passed, return 'false' if(bar0==NULL || bar1==NULL) return false; //--- Return the fact that the bar on the right is completely within the dimensions of the bar on the left return(bar0.High()<bar1.High() && bar0.Low()>bar1.Low()); } bool FindMotherBar(CArrayObj *list,MqlRates &rates) const { bool res=false; if(list==NULL) return false; //--- In a loop through the list, starting from the bar to the left of the base one for(int i=list.Total()-2;i>0;i--) { //--- Get the pointers to two consecutive bars CBar *bar0=list.At(i); CBar *bar1=list.At(i-1); if(bar0==NULL || bar1==NULL) return false; //--- If the obtained bars represent a pattern if(CheckInsideBar(bar1,bar0)) { //--- set mother bar data to the MqlRates variable and set 'res' to 'true' this.SetBarData(bar1,rates); res=true; } //--- If there is no pattern, interrupt the loop else break; } //--- return the result return res; }
El método de búsqueda de patrones simplemente compara los tamaños de dos barras cercanas y retorna una bandera que indica que la barra derecha se encuentra completamente en el interior de la barra izquierda.
En el método de búsqueda de la barra madre, buscamos patrones en un ciclo a través de la lista de barras y, si se encuentra un patrón, los datos de la barra se escriben en la variable MqlRates y la búsqueda prosigue en el siguiente par de barras. La búsqueda continúa mientras se encuentren patrones en cada iteración del ciclo, y los datos de la barra madre se escriben en la variable de cada barra sucesiva. De esta manera encontramos todos los patrones anidados, y los datos de la barra madre se obtienen finalmente de la barra situada más a la izquierda de toda la secuencia.
Método que crea un patrón con una dirección especificada:
//+-----------------------------------------------------------------------+ //|CPatternControlInsideBar::Create a pattern with the specified direction| //+-----------------------------------------------------------------------+ CPattern *CPatternControlInsideBar::CreatePattern(const ENUM_PATTERN_DIRECTION direction,const uint id,CBar *bar) { //--- If invalid indicator is passed to the bar object, return NULL if(bar==NULL) return NULL; //--- Fill the MqlRates structure with bar data MqlRates rates={0}; this.SetBarData(bar,rates); //--- Create a new Inside Bar pattern CPatternInsideBar *obj=new CPatternInsideBar(id,this.Symbol(),this.Timeframe(),rates,PATTERN_DIRECTION_BOTH); if(obj==NULL) return NULL; //--- set the proportions of the candle the pattern was found on to the properties of the created pattern object obj.SetProperty(PATTERN_PROP_RATIO_BODY_TO_CANDLE_SIZE,bar.RatioBodyToCandleSize()); obj.SetProperty(PATTERN_PROP_RATIO_LOWER_SHADOW_TO_CANDLE_SIZE,bar.RatioLowerShadowToCandleSize()); obj.SetProperty(PATTERN_PROP_RATIO_UPPER_SHADOW_TO_CANDLE_SIZE,bar.RatioUpperShadowToCandleSize()); //--- set the search criteria of the candle the pattern was found on to the properties of the created pattern object obj.SetProperty(PATTERN_PROP_RATIO_BODY_TO_CANDLE_SIZE_CRITERION,this.RatioBodyToCandleSizeValue()); obj.SetProperty(PATTERN_PROP_RATIO_LARGER_SHADOW_TO_CANDLE_SIZE_CRITERION,this.RatioLargerShadowToCandleSizeValue()); obj.SetProperty(PATTERN_PROP_RATIO_SMALLER_SHADOW_TO_CANDLE_SIZE_CRITERION,this.RatioSmallerShadowToCandleSizeValue()); //--- Set the control object ID to the pattern object obj.SetProperty(PATTERN_PROP_CTRL_OBJ_ID,this.ObjectID()); //--- Return the pointer to a created object return obj; }
El método simplemente crea un nuevo objeto de la clase de patrón "Barra interior" y devuelve el resultado de la creación del nuevo objeto. Todo lo que hay debajo de las líneas de creación de un nuevo objeto siguen siendo asignaciones inútiles de ceros a propiedades del objeto que ya están asignadas en el constructor de la clase. Pero hemos dejado esto por ahora, porque podría ser necesario añadir el uso de algunos parámetros para la identificación de patrones en el futuro. Si esto no fuera necesario, simplemente eliminaremos el código extra de aquí.
Método para encontrar un patrón:
//+------------------------------------------------------------------+ //| CPatternControlInsideBar::Search for pattern | //+------------------------------------------------------------------+ ENUM_PATTERN_DIRECTION CPatternControlInsideBar::FindPattern(const datetime series_bar_time,const uint min_body_size,MqlRates &mother_bar_data) const { //--- Get bar data up to and including the specified time CArrayObj *list=CSelect::ByBarProperty(this.m_list_series,BAR_PROP_TIME,series_bar_time,EQUAL_OR_LESS); //--- If the list is empty, return -1 if(list==NULL || list.Total()==0) return WRONG_VALUE; //--- Sort the list by bar opening time list.Sort(SORT_BY_BAR_TIME); //--- Get the latest bar from the list (base bar) CBar *bar_patt=list.At(list.Total()-1); if(bar_patt==NULL) return WRONG_VALUE; //--- In the loop from the next bar (mother), for(int i=list.Total()-2;i>=0;i--) { CBar *bar_prev=list.At(i); if(bar_prev==NULL) return WRONG_VALUE; //--- check that the resulting two bars are a pattern. If not, return -1 if(!this.CheckInsideBar(bar_prev,bar_patt)) return WRONG_VALUE; //--- If the pattern is found at the previous step, look for nested patterns. //--- The leftmost bar will be the mother bar for the entire chain of nested patterns //--- If the found pattern does not have nested ones, then its mother bar will be the current cycle bar (to the left of the base one) if(!this.FindMotherBar(list,mother_bar_data)) SetBarData(bar_prev,mother_bar_data); //--- Return the pattern direction (bidirectional) return PATTERN_DIRECTION_BOTH; } //--- No patterns found - return -1 return WRONG_VALUE; }
La lógica del método está descrita en los comentarios. La hora actual de apertura de la barra se transmite al método. Obtenemos una lista de todas las barras salvo la actual (no buscamos patrones en la barra cero). En el ciclo sobre la lista de barras obtenida, comprobamos cada dos barras próximas si cumplen los criterios del patrón. Si su proporción es un patrón, buscaremos patrones anidados, es decir, en un ciclo adicional buscaremos patrones adyacentes siempre que se encuentren. De esta forma encontramos toda la cadena de patrones adyacentes, y el más a la izquierda de ellos -su barra izquierda- será la barra madre de toda la cadena de patrones anidados. Esta barra, su hora y sus precios están prescritos en las propiedades del patrón encontrado. Estos datos nos permitirán encuadrar completamente toda la cadena de patrones anidados cuando se muestren en el gráfico, que será visible en el asesor experto de prueba.
Método que retorna una lista de patrones gestionados por este objeto:
//+------------------------------------------------------------------+ //| Returns the list of patterns managed by the object | //+------------------------------------------------------------------+ CArrayObj *CPatternControlInsideBar::GetListPatterns(void) { CArrayObj *list=CSelect::ByPatternProperty(this.m_list_all_patterns,PATTERN_PROP_PERIOD,this.Timeframe(),EQUAL); list=CSelect::ByPatternProperty(list,PATTERN_PROP_SYMBOL,this.Symbol(),EQUAL); list=CSelect::ByPatternProperty(list,PATTERN_PROP_TYPE,PATTERN_TYPE_INSIDE_BAR,EQUAL); return CSelect::ByPatternProperty(list,PATTERN_PROP_CTRL_OBJ_ID,this.ObjectID(),EQUAL); }
En la clase de gestión de patrones, vamos a ajustar el método que retorna el objeto de gestión de patrones "Barra interior":
//--- Return the Inside Bar pattern control object CPatternControl *GetObjControlPatternInsideBar(void) { int total=this.m_list_controls.Total(); for(int i=0;i<total;i++) { CPatternControl *obj=this.m_list_controls.At(i); if(obj==NULL) continue; //--- Check search conditions and return the result if(obj.TypePattern()==PATTERN_TYPE_INSIDE_BAR) return obj; } return NULL; }
Antes, el método retornaba NULL porque la clase del objeto devuelto por el método aún no se había realizado.
Corrige el método que establece la bandera para usar el patrón Barra Interior y crea un objeto de control si aún no existe:
//--- Set the flag for using the Pattern Inside and create a control object if it does not already exist void SetUsedPatternInsideBar(const bool flag) { //--- Get the pointer to the Inner Bar pattern control object CPatternControlInsideBar *obj=this.GetObjControlPatternInsideBar(); //--- If the pointer is received (the object exists), set the use flag if(obj!=NULL) obj.SetUsed(flag); //--- f there is no object and the flag is passed as 'true' else if(flag) { //--- Create the new Inside Bar pattern control object obj=new CPatternControlInsideBar(this.Symbol(),this.Timeframe(),this.m_list_series,this.m_list_all_patterns); if(obj==NULL) return; //--- Add pointer to the created object to the list if(!this.m_list_controls.Add(obj)) { delete obj; return; } //--- Set the usage flag and pattern parameters to the control object obj.SetUsed(flag); obj.SetRatioBodyToCandleSizeValue(0); obj.SetRatioLargerShadowToCandleSizeValue(0); obj.SetRatioSmallerShadowToCandleSizeValue(0); obj.CreateAndRefreshPatternList(0); } }
Antes, el método estaba vacío por la razón expuesta anteriormente. La lógica del método está comentada en el código y apenas necesita explicaciones adicionales.
Ahora vamos a escribir los métodos para establecer la bandera de dibujado del patrón con puntos:
//+------------------------------------------------------------------+ //| Methods for setting the flag of drawing the pattern using dots | //+------------------------------------------------------------------+ //--- Set the flag for drawing the Harami pattern with dots void SetDrawingAsDotsPatternHarami(const bool flag,const bool redraw) { } //--- Set the flag for drawing the Harami Cross pattern with dots void SetDrawingAsDotsPatternHaramiCross(const bool flag,const bool redraw) { } //--- Set the flag for drawing the Tweezer pattern with dots void SetDrawingAsDotsPatternTweezer(const bool flag,const bool redraw) { } //--- Set the flag for drawing the Piercing Line pattern with dots void SetDrawingAsDotsPatternPiercingLine(const bool flag,const bool redraw) { } //--- Set the flag for drawing the Cloud Cover pattern with dots void SetDrawingAsDotsPatternDarkCloudCover(const bool flag,const bool redraw) { } //--- Set the flag for drawing the Three White Soldiers pattern with dots void SetDrawingAsDotsPatternThreeWhiteSoldiers(const bool flag,const bool redraw) { } //--- Set the flag for drawing the Three Black Crows pattern with dots void SetDrawingAsDotsPatternThreeBlackCrows(const bool flag,const bool redraw) { } //--- Set the flag for drawing the Shooting Star pattern with dots void SetDrawingAsDotsPatternShootingStar(const bool flag,const bool redraw) { } //--- Set the flag for drawing the Hammer pattern with dots void SetDrawingAsDotsPatternHammer(const bool flag,const bool redraw) { } //--- Set the flag for drawing the Inverted Hammer pattern with dots void SetDrawingAsDotsPatternInvertedHammer(const bool flag,const bool redraw) { } //--- Set the flag for drawing the Hanging Man pattern with dots void SetDrawingAsDotsPatternHangingMan(const bool flag,const bool redraw) { } //--- Set the flag for drawing the Doji pattern with dots void SetDrawingAsDotsPatternDoji(const bool flag,const bool redraw) { } //--- Set the flag for drawing the Dragonfly Doji pattern with dots void SetDrawingAsDotsPatternDragonflyDoji(const bool flag,const bool redraw) { } //--- Set the flag for drawing the Gravestone Doji pattern with dots void SetDrawingAsDotsPatternGravestoneDoji(const bool flag,const bool redraw) { } //--- Set the flag for drawing the Morning Star pattern with dots void SetDrawingAsDotsPatternMorningStar(const bool flag,const bool redraw) { } //--- Set the flag for drawing the Morning Doji Star pattern with dots void SetDrawingAsDotsPatternMorningDojiStar(const bool flag,const bool redraw) { } //--- Set the flag for drawing the Evening Star pattern with dots void SetDrawingAsDotsPatternEveningStar(const bool flag,const bool redraw) { } //--- Set the flag for drawing the Evening Doji Star pattern with dots void SetDrawingAsDotsPatternEveningDojiStar(const bool flag,const bool redraw) { } //--- Set the flag for drawing the Three Stars pattern with dots void SetDrawingAsDotsPatternThreeStars(const bool flag,const bool redraw) { } //--- Set the flag for drawing the Abandoned Baby pattern with dots void SetDrawingAsDotsPatternAbandonedBaby(const bool flag,const bool redraw) { } //--- Set the flag for drawing the Pivot Point Reversal pattern with dots //--- Price Action void SetDrawingAsDotsPatternPivotPointReversal(const bool flag,const bool redraw) { } //--- Set the flag for drawing the Outside Bar pattern with dots void SetDrawingAsDotsPatternOutsideBar(const bool flag,const bool redraw) { } //--- Set the flag for drawing the Inside Bar pattern with dots void SetDrawingAsDotsPatternInsideBar(const bool flag,const bool redraw) { //--- Get the pointer to the Inner Bar pattern control object CPatternControlInsideBar *obj=this.GetObjControlPatternInsideBar(); //--- If the pointer is received (the object exists), set the drawing flag if(obj!=NULL) obj.SetDrawingAsDots(flag,redraw); } //--- Set the flag for drawing the Pin Bar pattern with dots void SetDrawingAsDotsPatternPinBar(const bool flag,const bool redraw, // Flag of drawing with dots and Pin Bar Price Action redraw flag const double ratio_body=30, // Percentage ratio of the candle body to the full size of the candle const double ratio_larger_shadow=60, // Percentage ratio of the size of the larger shadow to the size of the candle const double ratio_smaller_shadow=30) // Percentage ratio of the size of the smaller shadow to the size of the candle { //--- Get the pointer to the Pin Bar pattern control object with the specified parameters CPatternControlPinBar *obj=this.GetObjControlPatternPinBar(ratio_body,ratio_larger_shadow,ratio_smaller_shadow); //--- If the pointer is received (the object exists), set the use flag if(obj!=NULL) obj.SetDrawingAsDots(flag,redraw); } //--- Set the flag for drawing the Rails pattern with dots void SetDrawingAsDotsPatternRails(const bool flag,const bool redraw) { }
Los métodos solo se han escrito completamente para dos modelos. Para los demás patrones, solo hay espacios en blanco, que iremos rellenando conforme escribamos las nuevas clases de objetos de patrón.
Bien, a continuación vamos a escribir los métodos para devolver la bandera de dibujado del patrón con puntos:
//+------------------------------------------------------------------+ //| Methods of returning the flag of drawing with dots | //+------------------------------------------------------------------+ //--- Candle formations //--- Return the flag for drawing the Harami pattern with dots bool IsDrawingAsDotsPatternHarami(void) { CPatternControl *obj=GetObjControlPatternHarami(); return(obj!=NULL ? obj.IsDrawingAsDots() : false); } //--- Return the flag for drawing the Harami Cross pattern with dots bool IsDrawingAsDotsPatternHaramiCross(void) { CPatternControl *obj=GetObjControlPatternHaramiCross(); return(obj!=NULL ? obj.IsDrawingAsDots() : false); } //--- Return the flag for drawing the Tweezer pattern with dots bool IsDrawingAsDotsPatternTweezer(void) { CPatternControl *obj=GetObjControlPatternTweezer(); return(obj!=NULL ? obj.IsDrawingAsDots() : false); } //--- Return the flag for drawing the Piercing Line pattern with dots bool IsDrawingAsDotsPatternPiercingLine(void) { CPatternControl *obj=GetObjControlPatternPiercingLine(); return(obj!=NULL ? obj.IsDrawingAsDots() : false); } //--- Return the flag for drawing the Cloud Cover pattern with dots bool IsDrawingAsDotsPatternDarkCloudCover(void) { CPatternControl *obj=GetObjControlPatternDarkCloudCover(); return(obj!=NULL ? obj.IsDrawingAsDots() : false); } //--- Return the flag for drawing the Three White Soldiers pattern with dots bool IsDrawingAsDotsPatternThreeWhiteSoldiers(void) { CPatternControl *obj=GetObjControlPatternThreeWhiteSoldiers(); return(obj!=NULL ? obj.IsDrawingAsDots() : false); } //--- Return the flag for drawing the Three Black Crows pattern with dots bool IsDrawingAsDotsPatternThreeBlackCrows(void) { CPatternControl *obj=GetObjControlPatternThreeBlackCrows(); return(obj!=NULL ? obj.IsDrawingAsDots() : false); } //--- Return the flag for drawing the Shooting Star pattern with dots bool IsDrawingAsDotsPatternShootingStar(void) { CPatternControl *obj=GetObjControlPatternShootingStar(); return(obj!=NULL ? obj.IsDrawingAsDots() : false); } //--- Return the flag for drawing the Hammer pattern with dots bool IsDrawingAsDotsPatternHammer(void) { CPatternControl *obj=GetObjControlPatternHammer(); return(obj!=NULL ? obj.IsDrawingAsDots() : false); } //--- Return the flag for drawing the Inverted Hammer pattern with dots bool IsDrawingAsDotsPatternInvertedHammer(void) { CPatternControl *obj=GetObjControlPatternInvertedHammer(); return(obj!=NULL ? obj.IsDrawingAsDots() : false); } //--- Return the flag for drawing the Hanging Man pattern with dots bool IsDrawingAsDotsPatternHangingMan(void) { CPatternControl *obj=GetObjControlPatternHangingMan(); return(obj!=NULL ? obj.IsDrawingAsDots() : false); } //--- Return the flag for drawing the Doji pattern with dots bool IsDrawingAsDotsPatternDoji(void) { CPatternControl *obj=GetObjControlPatternDoji(); return(obj!=NULL ? obj.IsDrawingAsDots() : false); } //--- Return the flag for drawing the Dragonfly Doji pattern with dots bool IsDrawingAsDotsPatternDragonflyDoji(void) { CPatternControl *obj=GetObjControlPatternDragonflyDoji(); return(obj!=NULL ? obj.IsDrawingAsDots() : false); } //--- Return the flag for drawing the Gravestone Doji pattern with dots bool IsDrawingAsDotsPatternGravestoneDoji(void) { CPatternControl *obj=GetObjControlPatternGravestoneDoji(); return(obj!=NULL ? obj.IsDrawingAsDots() : false); } //--- Return the flag for drawing the Morning Star pattern with dots bool IsDrawingAsDotsPatternMorningStar(void) { CPatternControl *obj=GetObjControlPatternMorningStar(); return(obj!=NULL ? obj.IsDrawingAsDots() : false); } //--- Return the flag for drawing the Morning Doji Star pattern with dots bool IsDrawingAsDotsPatternMorningDojiStar(void) { CPatternControl *obj=GetObjControlPatternMorningDojiStar(); return(obj!=NULL ? obj.IsDrawingAsDots() : false); } //--- Return the flag for drawing the Evening Star pattern with dots bool IsDrawingAsDotsPatternEveningStar(void) { CPatternControl *obj=GetObjControlPatternEveningStar(); return(obj!=NULL ? obj.IsDrawingAsDots() : false); } //--- Return the flag for drawing the Evening Doji Star pattern with dots bool IsDrawingAsDotsPatternEveningDojiStar(void) { CPatternControl *obj=GetObjControlPatternEveningDojiStar(); return(obj!=NULL ? obj.IsDrawingAsDots() : false); } //--- Return the flag for drawing the Three Stars pattern with dots bool IsDrawingAsDotsPatternThreeStars(void) { CPatternControl *obj=GetObjControlPatternThreeStars(); return(obj!=NULL ? obj.IsDrawingAsDots() : false); } //--- Return the flag for drawing the Abandoned Baby pattern with dots bool IsDrawingAsDotsPatternAbandonedBaby(void) { CPatternControl *obj=GetObjControlPatternAbandonedBaby(); return(obj!=NULL ? obj.IsDrawingAsDots() : false); } //--- Price Action //--- Return the flag for drawing the Pivot Point Reversal pattern with dots bool IsDrawingAsDotsPatternPivotPointReversal(void) { CPatternControl *obj=GetObjControlPatternPivotPointReversal(); return(obj!=NULL ? obj.IsDrawingAsDots() : false); } //--- Return the flag for drawing the Outside Bar pattern with dots bool IsDrawingAsDotsPatternOutsideBar(void) { CPatternControl *obj=GetObjControlPatternOutsideBar(); return(obj!=NULL ? obj.IsDrawingAsDots() : false); } //--- Return the flag for drawing the Inside Bar pattern with dots bool IsDrawingAsDotsPatternInsideBar(void) { CPatternControl *obj=GetObjControlPatternInsideBar(); return(obj!=NULL ? obj.IsDrawingAsDots() : false); } //--- Return the flag for drawing the Pin Bar pattern with dots bool IsDrawingAsDotsPatternPinBar(const double ratio_body=30, // Percentage ratio of the candle body to the full size of the candle const double ratio_larger_shadow=60, // Percentage ratio of the size of the larger shadow to the size of the candle const double ratio_smaller_shadow=30) // Percentage ratio of the size of the smaller shadow to the size of the candle { //--- Get the pattern control object based on its parameters CPatternControl *obj=this.GetObjControlPatternPinBar(ratio_body,ratio_larger_shadow,ratio_smaller_shadow); //--- Return the pattern use flag, or 'false' if the object is not found return(obj!=NULL ? obj.IsDrawingAsDots() : false); } //--- Return the flag for drawing the Rails pattern with dots bool IsDrawingAsDotsPatternRails(void) { CPatternControl *obj=GetObjControlPatternRails(); return(obj!=NULL ? obj.IsDrawingAsDots() : false); }
Los parámetros de entrada se escriben para el método que retorna la bandera de dibujado de puntos del patrón "Pin Bar", porque todos los métodos para trabajar con este patrón los tienen. El resto de los métodos hasta ahora retornan banderas de dibujado de puntos sin ningún parámetro. Si necesitamos parámetros para algún patrón, los ubicaremos en dichos métodos más adelante.
Ahora debemos escribir exactamente los mismos métodos para la clase de series temporales que se encuentra en el mismo archivo:
//--- Set the flag for using the Pattern Inside and create a control object if it does not already exist void SetUsedPatternInsideBar(const bool flag) { if(this.m_patterns_control==NULL) return; this.m_patterns_control.SetUsedPatternInsideBar(flag); }
...
//+------------------------------------------------------------------+ //| Methods for setting the flag of drawing the pattern using dots | //+------------------------------------------------------------------+ //--- Set the flag for drawing the Harami pattern with dots void SetDrawingAsDotsPatternHarami(const bool flag,const bool redraw) { if(this.m_patterns_control==NULL) return; this.m_patterns_control.SetDrawingAsDotsPatternHarami(flag,redraw); } //--- Set the flag for drawing the Harami Cross pattern with dots void SetDrawingAsDotsPatternHaramiCross(const bool flag,const bool redraw) { if(this.m_patterns_control==NULL) return; this.m_patterns_control.SetDrawingAsDotsPatternHaramiCross(flag,redraw); } //--- Set the flag for drawing the Tweezer pattern with dots void SetDrawingAsDotsPatternTweezer(const bool flag,const bool redraw) { if(this.m_patterns_control==NULL) return; this.m_patterns_control.SetDrawingAsDotsPatternTweezer(flag,redraw); } //--- Set the flag for drawing the Piercing Line pattern with dots void SetDrawingAsDotsPatternPiercingLine(const bool flag,const bool redraw) { if(this.m_patterns_control==NULL) return; this.m_patterns_control.SetDrawingAsDotsPatternPiercingLine(flag,redraw); } //--- Set the flag for drawing the Cloud Cover pattern with dots void SetDrawingAsDotsPatternDarkCloudCover(const bool flag,const bool redraw) { if(this.m_patterns_control==NULL) return; this.m_patterns_control.SetDrawingAsDotsPatternDarkCloudCover(flag,redraw); } //--- Set the flag for drawing the Three White Soldiers pattern with dots void SetDrawingAsDotsPatternThreeWhiteSoldiers(const bool flag,const bool redraw) { if(this.m_patterns_control==NULL) return; this.m_patterns_control.SetDrawingAsDotsPatternThreeWhiteSoldiers(flag,redraw); } //--- Set the flag for drawing the Three Black Crows pattern with dots void SetDrawingAsDotsPatternThreeBlackCrows(const bool flag,const bool redraw) { if(this.m_patterns_control==NULL) return; this.m_patterns_control.SetDrawingAsDotsPatternThreeBlackCrows(flag,redraw); } //--- Set the flag for drawing the Shooting Star pattern with dots void SetDrawingAsDotsPatternShootingStar(const bool flag,const bool redraw) { if(this.m_patterns_control==NULL) return; this.m_patterns_control.SetDrawingAsDotsPatternShootingStar(flag,redraw); } //--- Set the flag for drawing the Hammer pattern with dots void SetDrawingAsDotsPatternHammer(const bool flag,const bool redraw) { if(this.m_patterns_control==NULL) return; this.m_patterns_control.SetDrawingAsDotsPatternHammer(flag,redraw); } //--- Set the flag for drawing the Inverted Hammer pattern with dots void SetDrawingAsDotsPatternInvertedHammer(const bool flag,const bool redraw) { if(this.m_patterns_control==NULL) return; this.m_patterns_control.SetDrawingAsDotsPatternInvertedHammer(flag,redraw); } //--- Set the flag for drawing the Hanging Man pattern with dots void SetDrawingAsDotsPatternHangingMan(const bool flag,const bool redraw) { if(this.m_patterns_control==NULL) return; this.m_patterns_control.SetDrawingAsDotsPatternHangingMan(flag,redraw); } //--- Set the flag for drawing the Doji pattern with dots void SetDrawingAsDotsPatternDoji(const bool flag,const bool redraw) { if(this.m_patterns_control==NULL) return; this.m_patterns_control.SetDrawingAsDotsPatternDoji(flag,redraw); } //--- Set the flag for drawing the Dragonfly Doji pattern with dots void SetDrawingAsDotsPatternDragonflyDoji(const bool flag,const bool redraw) { if(this.m_patterns_control==NULL) return; this.m_patterns_control.SetDrawingAsDotsPatternDragonflyDoji(flag,redraw); } //--- Set the flag for drawing the Gravestone Doji pattern with dots void SetDrawingAsDotsPatternGravestoneDoji(const bool flag,const bool redraw) { if(this.m_patterns_control==NULL) return; this.m_patterns_control.SetDrawingAsDotsPatternGravestoneDoji(flag,redraw); } //--- Set the flag for drawing the Morning Star pattern with dots void SetDrawingAsDotsPatternMorningStar(const bool flag,const bool redraw) { if(this.m_patterns_control==NULL) return; this.m_patterns_control.SetDrawingAsDotsPatternMorningStar(flag,redraw); } //--- Set the flag for drawing the Morning Doji Star pattern with dots void SetDrawingAsDotsPatternMorningDojiStar(const bool flag,const bool redraw) { if(this.m_patterns_control==NULL) return; this.m_patterns_control.SetDrawingAsDotsPatternMorningDojiStar(flag,redraw); } //--- Set the flag for drawing the Evening Star pattern with dots void SetDrawingAsDotsPatternEveningStar(const bool flag,const bool redraw) { if(this.m_patterns_control==NULL) return; this.m_patterns_control.SetDrawingAsDotsPatternEveningStar(flag,redraw); } //--- Set the flag for drawing the Evening Doji Star pattern with dots void SetDrawingAsDotsPatternEveningDojiStar(const bool flag,const bool redraw) { if(this.m_patterns_control==NULL) return; this.m_patterns_control.SetDrawingAsDotsPatternEveningDojiStar(flag,redraw); } //--- Set the flag for drawing the Three Stars pattern with dots void SetDrawingAsDotsPatternThreeStars(const bool flag,const bool redraw) { if(this.m_patterns_control==NULL) return; this.m_patterns_control.SetDrawingAsDotsPatternThreeStars(flag,redraw); } //--- Set the flag for drawing the Abandoned Baby pattern with dots void SetDrawingAsDotsPatternAbandonedBaby(const bool flag,const bool redraw) { if(this.m_patterns_control==NULL) return; this.m_patterns_control.SetDrawingAsDotsPatternAbandonedBaby(flag,redraw); } //--- Set the flag for drawing the Pivot Point Reversal pattern with dots //--- Price Action void SetDrawingAsDotsPatternPivotPointReversal(const bool flag,const bool redraw) { if(this.m_patterns_control==NULL) return; this.m_patterns_control.SetDrawingAsDotsPatternPivotPointReversal(flag,redraw); } //--- Set the flag for drawing the Outside Bar pattern with dots void SetDrawingAsDotsPatternOutsideBar(const bool flag,const bool redraw) { if(this.m_patterns_control==NULL) return; this.m_patterns_control.SetDrawingAsDotsPatternOutsideBar(flag,redraw); } //--- Set the flag for drawing the Inside Bar pattern with dots void SetDrawingAsDotsPatternInsideBar(const bool flag,const bool redraw) { if(this.m_patterns_control==NULL) return; this.m_patterns_control.SetDrawingAsDotsPatternInsideBar(flag,redraw); } //--- Set the flag for drawing the Pin Bar pattern with dots void SetDrawingAsDotsPatternPinBar(const bool flag,const bool redraw, // Flag of drawing with dots and Pin Bar Price Action redraw flag const double ratio_body=30, // Percentage ratio of the candle body to the full size of the candle const double ratio_larger_shadow=60, // Percentage ratio of the size of the larger shadow to the size of the candle const double ratio_smaller_shadow=30) // Percentage ratio of the size of the smaller shadow to the size of the candle { if(this.m_patterns_control==NULL) return; this.m_patterns_control.SetDrawingAsDotsPatternPinBar(flag,redraw,ratio_body,ratio_larger_shadow,ratio_smaller_shadow); } //--- Set the flag for drawing the Rails pattern with dots void SetDrawingAsDotsPatternRails(const bool flag,const bool redraw) { if(this.m_patterns_control==NULL) return; this.m_patterns_control.SetDrawingAsDotsPatternRails(flag,redraw); } //+------------------------------------------------------------------+ //| Methods of returning the flag of drawing with dots | //+------------------------------------------------------------------+ //--- Candle formations //--- Return the flag for drawing the Harami pattern with dots bool IsDrawingAsDotsPatternHarami(void) { return(this.m_patterns_control!=NULL ? this.m_patterns_control.IsDrawingAsDotsPatternHarami() : false); } //--- Return the flag for drawing the Harami Cross pattern with dots bool IsDrawingAsDotsPatternHaramiCross(void) { return(this.m_patterns_control!=NULL ? this.m_patterns_control.IsDrawingAsDotsPatternHaramiCross() : false); } //--- Return the flag for drawing the Tweezer pattern with dots bool IsDrawingAsDotsPatternTweezer(void) { return(this.m_patterns_control!=NULL ? this.m_patterns_control.IsDrawingAsDotsPatternTweezer() : false); } //--- Return the flag for drawing the Piercing Line pattern with dots bool IsDrawingAsDotsPatternPiercingLine(void) { return(this.m_patterns_control!=NULL ? this.m_patterns_control.IsDrawingAsDotsPatternPiercingLine() : false); } //--- Return the flag for drawing the Cloud Cover pattern with dots bool IsDrawingAsDotsPatternDarkCloudCover(void) { return(this.m_patterns_control!=NULL ? this.m_patterns_control.IsDrawingAsDotsPatternDarkCloudCover() : false); } //--- Return the flag for drawing the Three White Soldiers pattern with dots bool IsDrawingAsDotsPatternThreeWhiteSoldiers(void) { return(this.m_patterns_control!=NULL ? this.m_patterns_control.IsDrawingAsDotsPatternThreeWhiteSoldiers() : false); } //--- Return the flag for drawing the Three Black Crows pattern with dots bool IsDrawingAsDotsPatternThreeBlackCrows(void) { return(this.m_patterns_control!=NULL ? this.m_patterns_control.IsDrawingAsDotsPatternThreeBlackCrows() : false); } //--- Return the flag for drawing the Shooting Star pattern with dots bool IsDrawingAsDotsPatternShootingStar(void) { return(this.m_patterns_control!=NULL ? this.m_patterns_control.IsDrawingAsDotsPatternShootingStar() : false); } //--- Return the flag for drawing the Hammer pattern with dots bool IsDrawingAsDotsPatternHammer(void) { return(this.m_patterns_control!=NULL ? this.m_patterns_control.IsDrawingAsDotsPatternHammer() : false); } //--- Return the flag for drawing the Inverted Hammer pattern with dots bool IsDrawingAsDotsPatternInvertedHammer(void) { return(this.m_patterns_control!=NULL ? this.m_patterns_control.IsDrawingAsDotsPatternInvertedHammer() : false); } //--- Return the flag for drawing the Hanging Man pattern with dots bool IsDrawingAsDotsPatternHangingMan(void) { return(this.m_patterns_control!=NULL ? this.m_patterns_control.IsDrawingAsDotsPatternHangingMan() : false); } //--- Return the flag for drawing the Doji pattern with dots bool IsDrawingAsDotsPatternDoji(void) { return(this.m_patterns_control!=NULL ? this.m_patterns_control.IsDrawingAsDotsPatternDoji() : false); } //--- Return the flag for drawing the Dragonfly Doji pattern with dots bool IsDrawingAsDotsPatternDragonflyDoji(void) { return(this.m_patterns_control!=NULL ? this.m_patterns_control.IsDrawingAsDotsPatternDragonflyDoji() : false); } //--- Return the flag for drawing the Gravestone Doji pattern with dots bool IsDrawingAsDotsPatternGravestoneDoji(void) { return(this.m_patterns_control!=NULL ? this.m_patterns_control.IsDrawingAsDotsPatternGravestoneDoji() : false); } //--- Return the flag for drawing the Morning Star pattern with dots bool IsDrawingAsDotsPatternMorningStar(void) { return(this.m_patterns_control!=NULL ? this.m_patterns_control.IsDrawingAsDotsPatternMorningStar() : false); } //--- Return the flag for drawing the Morning Doji Star pattern with dots bool IsDrawingAsDotsPatternMorningDojiStar(void) { return(this.m_patterns_control!=NULL ? this.m_patterns_control.IsDrawingAsDotsPatternMorningDojiStar() : false); } //--- Return the flag for drawing the Evening Star pattern with dots bool IsDrawingAsDotsPatternEveningStar(void) { return(this.m_patterns_control!=NULL ? this.m_patterns_control.IsDrawingAsDotsPatternEveningStar() : false); } //--- Return the flag for drawing the Evening Doji Star pattern with dots bool IsDrawingAsDotsPatternEveningDojiStar(void) { return(this.m_patterns_control!=NULL ? this.m_patterns_control.IsDrawingAsDotsPatternEveningDojiStar() : false); } //--- Return the flag for drawing the Three Stars pattern with dots bool IsDrawingAsDotsPatternThreeStars(void) { return(this.m_patterns_control!=NULL ? this.m_patterns_control.IsDrawingAsDotsPatternThreeStars() : false); } //--- Return the flag for drawing the Abandoned Baby pattern with dots bool IsDrawingAsDotsPatternAbandonedBaby(void) { return(this.m_patterns_control!=NULL ? this.m_patterns_control.IsDrawingAsDotsPatternAbandonedBaby() : false); } //--- Price Action //--- Return the flag for drawing the Pivot Point Reversal pattern with dots bool IsDrawingAsDotsPatternPivotPointReversal(void) { return(this.m_patterns_control!=NULL ? this.m_patterns_control.IsDrawingAsDotsPatternPivotPointReversal() : false); } //--- Return the flag for drawing the Outside Bar pattern with dots bool IsDrawingAsDotsPatternOutsideBar(void) { return(this.m_patterns_control!=NULL ? this.m_patterns_control.IsDrawingAsDotsPatternOutsideBar() : false); } //--- Return the flag for drawing the Inside Bar pattern with dots bool IsDrawingAsDotsPatternInsideBar(void) { return(this.m_patterns_control!=NULL ? this.m_patterns_control.IsDrawingAsDotsPatternInsideBar() : false); } //--- Return the flag for drawing the Pin Bar pattern with dots bool IsDrawingAsDotsPatternPinBar(const double ratio_body=30, // Percentage ratio of the candle body to the full size of the candle const double ratio_larger_shadow=60, // Percentage ratio of the size of the larger shadow to the size of the candle const double ratio_smaller_shadow=30) // Percentage ratio of the size of the smaller shadow to the size of the candle { return(this.m_patterns_control!=NULL ? this.m_patterns_control.IsDrawingAsDotsPatternPinBar(ratio_body,ratio_larger_shadow,ratio_smaller_shadow) : false); } //--- Return the flag for drawing the Rails pattern with dots bool IsDrawingAsDotsPatternRails(void) { return(this.m_patterns_control!=NULL ? this.m_patterns_control.IsDrawingAsDotsPatternRails() : false); }
Los mismos métodos deben escribirse en el archivo \MQL5\Include\DoEasy\Objects\Series\TimeSeriesDE.mqh de la clase de series temporales del símbolo:
En la sección pública, declaremos estos métodos:
//+------------------------------------------------------------------+ //| Methods for setting the flag of drawing the pattern using dots | //+------------------------------------------------------------------+ //--- Set the flag for using the Harami pattern and create a control object if it does not already exist void SetDrawingAsDotsPatternHarami(const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw); //--- Set the flag for using the Harami Cross pattern and create a control object if it does not already exist void SetDrawingAsDotsPatternHaramiCross(const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw); //--- Set the flag for using the Tweezer pattern and create a control object if it does not already exist void SetDrawingAsDotsPatternTweezer(const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw); //--- Set the flag for using the Piercing Line pattern and create a control object if it does not already exist void SetDrawingAsDotsPatternPiercingLine(const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw); //--- Set the flag for using the Cloud Cover pattern and create a control object if it does not already exist void SetDrawingAsDotsPatternDarkCloudCover(const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw); //--- Set the flag for using the Three White Soldiers pattern and create a control object if it does not already exist void SetDrawingAsDotsPatternThreeWhiteSoldiers(const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw); //--- Set the flag for using the Three Black Crows pattern and create a control object if it does not already exist void SetDrawingAsDotsPatternThreeBlackCrows(const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw); //--- Set the flag for using the Shooting Star pattern and create a control object if it does not already exist void SetDrawingAsDotsPatternShootingStar(const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw); //--- Set the flag for using the Hammer pattern and create a control object if it does not already exist void SetDrawingAsDotsPatternHammer(const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw); //--- Set the flag for using the Inverted Hammer pattern and create a control object if it does not already exist void SetDrawingAsDotsPatternInvertedHammer(const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw); //--- Set the flag for using the Hanging Man pattern and create a control object if it does not already exist void SetDrawingAsDotsPatternHangingMan(const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw); //--- Set the flag for using the Doji pattern and create a control object if it does not already exist void SetDrawingAsDotsPatternDoji(const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw); //--- Set the flag for using the Dragonfly Doji pattern and create a control object if it does not already exist void SetDrawingAsDotsPatternDragonflyDoji(const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw); //--- Set the flag for using the Doji Gravestone pattern and create a control object if it does not already exist void SetDrawingAsDotsPatternGravestoneDoji(const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw); //--- Set the flag for using the Morning Star pattern and create a control object if it does not already exist void SetDrawingAsDotsPatternMorningStar(const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw); //--- Set the flag for using the Morning Doji Star pattern and create a control object if it does not already exist void SetDrawingAsDotsPatternMorningDojiStar(const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw); //--- Set the flag for using the Evening Star pattern and create a control object if it does not already exist void SetDrawingAsDotsPatternEveningStar(const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw); //--- Set the flag for using the Evening Doji Star pattern and create a control object if it does not already exist void SetDrawingAsDotsPatternEveningDojiStar(const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw); //--- Set the flag for using the Three Stars pattern and create a control object if it does not already exist void SetDrawingAsDotsPatternThreeStars(const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw); //--- Set the flag for using the Abandoned Baby pattern and create a control object if it does not already exist void SetDrawingAsDotsPatternAbandonedBaby(const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw); //--- Set the flag for using the Pivot Point Reversal pattern and create a control object if it does not already exist //--- Price Action void SetDrawingAsDotsPatternPivotPointReversal(const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw); //--- Set the flag for using the Pattern Outside and create a control object if it does not already exist void SetDrawingAsDotsPatternOutsideBar(const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw); //--- Set the flag for using the Pattern Inside and create a control object if it does not already exist void SetDrawingAsDotsPatternInsideBar(const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw); //--- Set the flag for using the Pin Bar pattern and create a control object if it does not already exist void SetDrawingAsDotsPatternPinBar(const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw, // Flag of drawing with dots and Pin Bar Price Action redraw flag const double ratio_body=30, // Percentage ratio of the candle body to the full size of the candle const double ratio_larger_shadow=60, // Percentage ratio of the size of the larger shadow to the size of the candle const double ratio_smaller_shadow=30); // Percentage ratio of the size of the smaller shadow to the size of the candle //--- Set the flag for using the Rails pattern and create a control object if it does not already exist void SetDrawingAsDotsPatternRails(const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw); //+------------------------------------------------------------------+ //| Methods of returning the flag of drawing with dots | //+------------------------------------------------------------------+ //--- Candle formations //--- Return the flag of using the Harami pattern bool IsDrawingAsDotsPatternHarami(const ENUM_TIMEFRAMES timeframe); //--- Return the flag of using the Harami Cross pattern bool IsDrawingAsDotsPatternHaramiCross(const ENUM_TIMEFRAMES timeframe); //--- Return the flag of using the Tweezer pattern bool IsDrawingAsDotsPatternTweezer(const ENUM_TIMEFRAMES timeframe); //--- Return the flag of using the Piercing Line pattern bool IsDrawingAsDotsPatternPiercingLine(const ENUM_TIMEFRAMES timeframe); //--- Return the flag of using the Cloud Cover pattern bool IsDrawingAsDotsPatternDarkCloudCover(const ENUM_TIMEFRAMES timeframe); //--- Return the flag of using the Three White Soldiers pattern bool IsDrawingAsDotsPatternThreeWhiteSoldiers(const ENUM_TIMEFRAMES timeframe); //--- Return the flag of using the Three Black Crows pattern bool IsDrawingAsDotsPatternThreeBlackCrows(const ENUM_TIMEFRAMES timeframe); //--- Return the flag of using the Shooting Star pattern bool IsDrawingAsDotsPatternShootingStar(const ENUM_TIMEFRAMES timeframe); //--- Return the flag of using the Hammer pattern bool IsDrawingAsDotsPatternHammer(const ENUM_TIMEFRAMES timeframe); //--- Return the flag of using the Inverted Hammer pattern bool IsDrawingAsDotsPatternInvertedHammer(const ENUM_TIMEFRAMES timeframe); //--- Return the flag of using the Hanging Man pattern bool IsDrawingAsDotsPatternHangingMan(const ENUM_TIMEFRAMES timeframe); //--- Return the flag of using the Doji pattern bool IsDrawingAsDotsPatternDoji(const ENUM_TIMEFRAMES timeframe); //--- Return the flag of using the Dragonfly Doji pattern bool IsDrawingAsDotsPatternDragonflyDoji(const ENUM_TIMEFRAMES timeframe); //--- Return the flag of using the Gravestone Doji pattern bool IsDrawingAsDotsPatternGravestoneDoji(const ENUM_TIMEFRAMES timeframe); //--- Return the flag of using the Morning Star pattern bool IsDrawingAsDotsPatternMorningStar(const ENUM_TIMEFRAMES timeframe); //--- Return the flag of using the Morning Doji Star pattern bool IsDrawingAsDotsPatternMorningDojiStar(const ENUM_TIMEFRAMES timeframe); //--- Return the flag of using the Evening Star pattern bool IsDrawingAsDotsPatternEveningStar(const ENUM_TIMEFRAMES timeframe); //--- Return the flag of using the Evening Doji Star pattern bool IsDrawingAsDotsPatternEveningDojiStar(const ENUM_TIMEFRAMES timeframe); //--- Return the flag of using the Three Stars pattern bool IsDrawingAsDotsPatternThreeStars(const ENUM_TIMEFRAMES timeframe); //--- Return the flag of using the Abandoned Baby pattern bool IsDrawingAsDotsPatternAbandonedBaby(const ENUM_TIMEFRAMES timeframe); //--- Price Action //--- Return the flag of using the Pivot Point Reversal pattern bool IsDrawingAsDotsPatternPivotPointReversal(const ENUM_TIMEFRAMES timeframe); //--- Return the flag of using the Pattern Outside bool IsDrawingAsDotsPatternOutsideBar(const ENUM_TIMEFRAMES timeframe); //--- Return the flag of using the Inside Bar pattern bool IsDrawingAsDotsPatternInsideBar(const ENUM_TIMEFRAMES timeframe); //--- Return the flag of using the Pin Bar pattern bool IsDrawingAsDotsPatternPinBar(const ENUM_TIMEFRAMES timeframe,double ratio_body=30, // Percentage ratio of the candle body to the full size of the candle const double ratio_larger_shadow=60, // Percentage ratio of the size of the larger shadow to the size of the candle const double ratio_smaller_shadow=30); // Percentage ratio of the size of the smaller shadow to the size of the candle //--- Return the flag of using the Rails pattern bool IsDrawingAsDotsPatternRails(const ENUM_TIMEFRAMES timeframe); //+------------------------------------------------------------------+ //| Methods for drawing patterns on a chart | //+------------------------------------------------------------------+
Fuera del cuerpo de la clase escribimos la implementación de los métodos declarados:
//+------------------------------------------------------------------+ //| Methods for setting the flag of drawing the pattern using dots | //+------------------------------------------------------------------+ //--- Set the flag for drawing the Harami pattern with dots void CTimeSeriesDE::SetDrawingAsDotsPatternHarami(const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw) { CSeriesDE *series=this.GetSeries(timeframe); if(series!=NULL) series.SetDrawingAsDotsPatternHarami(flag,redraw); } //--- Set the flag for drawing the Harami Cross pattern with dots void CTimeSeriesDE::SetDrawingAsDotsPatternHaramiCross(const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw) { CSeriesDE *series=this.GetSeries(timeframe); if(series!=NULL) series.SetDrawingAsDotsPatternHaramiCross(flag,redraw); } //--- Set the flag for drawing the Tweezer pattern with dots void CTimeSeriesDE::SetDrawingAsDotsPatternTweezer(const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw) { CSeriesDE *series=this.GetSeries(timeframe); if(series!=NULL) series.SetDrawingAsDotsPatternTweezer(flag,redraw); } //--- Set the flag for drawing the Piercing Line pattern with dots void CTimeSeriesDE::SetDrawingAsDotsPatternPiercingLine(const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw) { CSeriesDE *series=this.GetSeries(timeframe); if(series!=NULL) series.SetDrawingAsDotsPatternPiercingLine(flag,redraw); } //--- Set the flag for drawing the Cloud Cover pattern with dots void CTimeSeriesDE::SetDrawingAsDotsPatternDarkCloudCover(const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw) { CSeriesDE *series=this.GetSeries(timeframe); if(series!=NULL) series.SetDrawingAsDotsPatternDarkCloudCover(flag,redraw); } //--- Set the flag for drawing the Three White Soldiers pattern with dots void CTimeSeriesDE::SetDrawingAsDotsPatternThreeWhiteSoldiers(const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw) { CSeriesDE *series=this.GetSeries(timeframe); if(series!=NULL) series.SetDrawingAsDotsPatternThreeWhiteSoldiers(flag,redraw); } //--- Set the flag for drawing the Three Black Crows pattern with dots void CTimeSeriesDE::SetDrawingAsDotsPatternThreeBlackCrows(const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw) { CSeriesDE *series=this.GetSeries(timeframe); if(series!=NULL) series.SetDrawingAsDotsPatternThreeBlackCrows(flag,redraw); } //--- Set the flag for drawing the Shooting Star pattern with dots void CTimeSeriesDE::SetDrawingAsDotsPatternShootingStar(const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw) { CSeriesDE *series=this.GetSeries(timeframe); if(series!=NULL) series.SetDrawingAsDotsPatternShootingStar(flag,redraw); } //--- Set the flag for drawing the Hammer pattern with dots void CTimeSeriesDE::SetDrawingAsDotsPatternHammer(const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw) { CSeriesDE *series=this.GetSeries(timeframe); if(series!=NULL) series.SetDrawingAsDotsPatternHammer(flag,redraw); } //--- Set the flag for drawing the Inverted Hammer pattern with dots void CTimeSeriesDE::SetDrawingAsDotsPatternInvertedHammer(const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw) { CSeriesDE *series=this.GetSeries(timeframe); if(series!=NULL) series.SetDrawingAsDotsPatternInvertedHammer(flag,redraw); } //--- Set the flag for drawing the Hanging Man pattern with dots void CTimeSeriesDE::SetDrawingAsDotsPatternHangingMan(const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw) { CSeriesDE *series=this.GetSeries(timeframe); if(series!=NULL) series.SetDrawingAsDotsPatternHangingMan(flag,redraw); } //--- Set the flag for drawing the Doji pattern with dots void CTimeSeriesDE::SetDrawingAsDotsPatternDoji(const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw) { CSeriesDE *series=this.GetSeries(timeframe); if(series!=NULL) series.SetDrawingAsDotsPatternDoji(flag,redraw); } //--- Set the flag for drawing the Dragonfly Doji pattern with dots void CTimeSeriesDE::SetDrawingAsDotsPatternDragonflyDoji(const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw) { CSeriesDE *series=this.GetSeries(timeframe); if(series!=NULL) series.SetDrawingAsDotsPatternDragonflyDoji(flag,redraw); } //--- Set the flag for drawing the Gravestone Doji pattern with dots void CTimeSeriesDE::SetDrawingAsDotsPatternGravestoneDoji(const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw) { CSeriesDE *series=this.GetSeries(timeframe); if(series!=NULL) series.SetDrawingAsDotsPatternGravestoneDoji(flag,redraw); } //--- Set the flag for drawing the Morning Star pattern with dots void CTimeSeriesDE::SetDrawingAsDotsPatternMorningStar(const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw) { CSeriesDE *series=this.GetSeries(timeframe); if(series!=NULL) series.SetDrawingAsDotsPatternMorningStar(flag,redraw); } //--- Set the flag for drawing the Morning Doji Star pattern with dots void CTimeSeriesDE::SetDrawingAsDotsPatternMorningDojiStar(const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw) { CSeriesDE *series=this.GetSeries(timeframe); if(series!=NULL) series.SetDrawingAsDotsPatternMorningDojiStar(flag,redraw); } //--- Set the flag for drawing the Evening Star pattern with dots void CTimeSeriesDE::SetDrawingAsDotsPatternEveningStar(const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw) { CSeriesDE *series=this.GetSeries(timeframe); if(series!=NULL) series.SetDrawingAsDotsPatternEveningStar(flag,redraw); } //--- Set the flag for drawing the Evening Doji Star pattern with dots void CTimeSeriesDE::SetDrawingAsDotsPatternEveningDojiStar(const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw) { CSeriesDE *series=this.GetSeries(timeframe); if(series!=NULL) series.SetDrawingAsDotsPatternEveningDojiStar(flag,redraw); } //--- Set the flag for drawing the Three Stars pattern with dots void CTimeSeriesDE::SetDrawingAsDotsPatternThreeStars(const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw) { CSeriesDE *series=this.GetSeries(timeframe); if(series!=NULL) series.SetDrawingAsDotsPatternThreeStars(flag,redraw); } //--- Set the flag for drawing the Abandoned Baby pattern with dots void CTimeSeriesDE::SetDrawingAsDotsPatternAbandonedBaby(const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw) { CSeriesDE *series=this.GetSeries(timeframe); if(series!=NULL) series.SetDrawingAsDotsPatternAbandonedBaby(flag,redraw); } //--- Set the flag for drawing the Pivot Point Reversal pattern with dots //--- Price Action void CTimeSeriesDE::SetDrawingAsDotsPatternPivotPointReversal(const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw) { CSeriesDE *series=this.GetSeries(timeframe); if(series!=NULL) series.SetDrawingAsDotsPatternPivotPointReversal(flag,redraw); } //--- Set the flag for drawing the Outside Bar pattern with dots void CTimeSeriesDE::SetDrawingAsDotsPatternOutsideBar(const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw) { CSeriesDE *series=this.GetSeries(timeframe); if(series!=NULL) series.SetDrawingAsDotsPatternOutsideBar(flag,redraw); } //--- Set the flag for drawing the Inside Bar pattern with dots void CTimeSeriesDE::SetDrawingAsDotsPatternInsideBar(const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw) { CSeriesDE *series=this.GetSeries(timeframe); if(series!=NULL) series.SetDrawingAsDotsPatternInsideBar(flag,redraw); } //--- Set the flag for drawing the Pin Bar pattern with dots void CTimeSeriesDE::SetDrawingAsDotsPatternPinBar(const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw, // Flag of drawing with dots and Pin Bar Price Action redraw flag const double ratio_body=30, // Percentage ratio of the candle body to the full size of the candle const double ratio_larger_shadow=60, // Percentage ratio of the size of the larger shadow to the size of the candle const double ratio_smaller_shadow=30) // Percentage ratio of the size of the smaller shadow to the size of the candle { CSeriesDE *series=this.GetSeries(timeframe); if(series!=NULL) series.SetDrawingAsDotsPatternPinBar(flag,redraw,ratio_body,ratio_larger_shadow,ratio_smaller_shadow); } //--- Set the flag for drawing the Rails pattern with dots void CTimeSeriesDE::SetDrawingAsDotsPatternRails(const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw) { CSeriesDE *series=this.GetSeries(timeframe); if(series!=NULL) series.SetDrawingAsDotsPatternRails(flag,redraw); } //+------------------------------------------------------------------+ //| Methods of returning the flag of drawing with dots | //+------------------------------------------------------------------+ //--- Candle formations //--- Return the flag for drawing the Harami pattern with dots bool CTimeSeriesDE::IsDrawingAsDotsPatternHarami(const ENUM_TIMEFRAMES timeframe) { CSeriesDE *series=this.GetSeries(timeframe); return(series!=NULL ? series.IsDrawingAsDotsPatternHarami() : false); } //--- Return the flag for drawing the Harami Cross pattern with dots bool CTimeSeriesDE::IsDrawingAsDotsPatternHaramiCross(const ENUM_TIMEFRAMES timeframe) { CSeriesDE *series=this.GetSeries(timeframe); return(series!=NULL ? series.IsDrawingAsDotsPatternHaramiCross() : false); } //--- Return the flag for drawing the Tweezer pattern with dots bool CTimeSeriesDE::IsDrawingAsDotsPatternTweezer(const ENUM_TIMEFRAMES timeframe) { CSeriesDE *series=this.GetSeries(timeframe); return(series!=NULL ? series.IsDrawingAsDotsPatternTweezer() : false); } //--- Return the flag for drawing the Piercing Line pattern with dots bool CTimeSeriesDE::IsDrawingAsDotsPatternPiercingLine(const ENUM_TIMEFRAMES timeframe) { CSeriesDE *series=this.GetSeries(timeframe); return(series!=NULL ? series.IsDrawingAsDotsPatternPiercingLine() : false); } //--- Return the flag for drawing the Cloud Cover pattern with dots bool CTimeSeriesDE::IsDrawingAsDotsPatternDarkCloudCover(const ENUM_TIMEFRAMES timeframe) { CSeriesDE *series=this.GetSeries(timeframe); return(series!=NULL ? series.IsDrawingAsDotsPatternDarkCloudCover() : false); } //--- Return the flag for drawing the Three White Soldiers pattern with dots bool CTimeSeriesDE::IsDrawingAsDotsPatternThreeWhiteSoldiers(const ENUM_TIMEFRAMES timeframe) { CSeriesDE *series=this.GetSeries(timeframe); return(series!=NULL ? series.IsDrawingAsDotsPatternThreeWhiteSoldiers() : false); } //--- Return the flag for drawing the Three Black Crows pattern with dots bool CTimeSeriesDE::IsDrawingAsDotsPatternThreeBlackCrows(const ENUM_TIMEFRAMES timeframe) { CSeriesDE *series=this.GetSeries(timeframe); return(series!=NULL ? series.IsDrawingAsDotsPatternThreeBlackCrows() : false); } //--- Return the flag for drawing the Shooting Star pattern with dots bool CTimeSeriesDE::IsDrawingAsDotsPatternShootingStar(const ENUM_TIMEFRAMES timeframe) { CSeriesDE *series=this.GetSeries(timeframe); return(series!=NULL ? series.IsDrawingAsDotsPatternShootingStar() : false); } //--- Return the flag for drawing the Hammer pattern with dots bool CTimeSeriesDE::IsDrawingAsDotsPatternHammer(const ENUM_TIMEFRAMES timeframe) { CSeriesDE *series=this.GetSeries(timeframe); return(series!=NULL ? series.IsDrawingAsDotsPatternHammer() : false); } //--- Return the flag for drawing the Inverted Hammer pattern with dots bool CTimeSeriesDE::IsDrawingAsDotsPatternInvertedHammer(const ENUM_TIMEFRAMES timeframe) { CSeriesDE *series=this.GetSeries(timeframe); return(series!=NULL ? series.IsDrawingAsDotsPatternInvertedHammer() : false); } //--- Return the flag for drawing the Hanging Man pattern with dots bool CTimeSeriesDE::IsDrawingAsDotsPatternHangingMan(const ENUM_TIMEFRAMES timeframe) { CSeriesDE *series=this.GetSeries(timeframe); return(series!=NULL ? series.IsDrawingAsDotsPatternHangingMan() : false); } //--- Return the flag for drawing the Doji pattern with dots bool CTimeSeriesDE::IsDrawingAsDotsPatternDoji(const ENUM_TIMEFRAMES timeframe) { CSeriesDE *series=this.GetSeries(timeframe); return(series!=NULL ? series.IsDrawingAsDotsPatternDoji() : false); } //--- Return the flag for drawing the Dragonfly Doji pattern with dots bool CTimeSeriesDE::IsDrawingAsDotsPatternDragonflyDoji(const ENUM_TIMEFRAMES timeframe) { CSeriesDE *series=this.GetSeries(timeframe); return(series!=NULL ? series.IsDrawingAsDotsPatternDragonflyDoji() : false); } //--- Return the flag for drawing the Gravestone Doji pattern with dots bool CTimeSeriesDE::IsDrawingAsDotsPatternGravestoneDoji(const ENUM_TIMEFRAMES timeframe) { CSeriesDE *series=this.GetSeries(timeframe); return(series!=NULL ? series.IsDrawingAsDotsPatternGravestoneDoji() : false); } //--- Return the flag for drawing the Morning Star pattern with dots bool CTimeSeriesDE::IsDrawingAsDotsPatternMorningStar(const ENUM_TIMEFRAMES timeframe) { CSeriesDE *series=this.GetSeries(timeframe); return(series!=NULL ? series.IsDrawingAsDotsPatternMorningStar() : false); } //--- Return the flag for drawing the Morning Doji Star pattern with dots bool CTimeSeriesDE::IsDrawingAsDotsPatternMorningDojiStar(const ENUM_TIMEFRAMES timeframe) { CSeriesDE *series=this.GetSeries(timeframe); return(series!=NULL ? series.IsDrawingAsDotsPatternMorningDojiStar() : false); } //--- Return the flag for drawing the Evening Star pattern with dots bool CTimeSeriesDE::IsDrawingAsDotsPatternEveningStar(const ENUM_TIMEFRAMES timeframe) { CSeriesDE *series=this.GetSeries(timeframe); return(series!=NULL ? series.IsDrawingAsDotsPatternEveningStar() : false); } //--- Return the flag for drawing the Evening Doji Star pattern with dots bool CTimeSeriesDE::IsDrawingAsDotsPatternEveningDojiStar(const ENUM_TIMEFRAMES timeframe) { CSeriesDE *series=this.GetSeries(timeframe); return(series!=NULL ? series.IsDrawingAsDotsPatternEveningDojiStar() : false); } //--- Return the flag for drawing the Three Stars pattern with dots bool CTimeSeriesDE::IsDrawingAsDotsPatternThreeStars(const ENUM_TIMEFRAMES timeframe) { CSeriesDE *series=this.GetSeries(timeframe); return(series!=NULL ? series.IsDrawingAsDotsPatternThreeStars() : false); } //--- Return the flag for drawing the Abandoned Baby pattern with dots bool CTimeSeriesDE::IsDrawingAsDotsPatternAbandonedBaby(const ENUM_TIMEFRAMES timeframe) { CSeriesDE *series=this.GetSeries(timeframe); return(series!=NULL ? series.IsDrawingAsDotsPatternAbandonedBaby() : false); } //--- Price Action //--- Return the flag for drawing the Pivot Point Reversal pattern with dots bool CTimeSeriesDE::IsDrawingAsDotsPatternPivotPointReversal(const ENUM_TIMEFRAMES timeframe) { CSeriesDE *series=this.GetSeries(timeframe); return(series!=NULL ? series.IsDrawingAsDotsPatternPivotPointReversal() : false); } //--- Return the flag for drawing the Outside Bar pattern with dots bool CTimeSeriesDE::IsDrawingAsDotsPatternOutsideBar(const ENUM_TIMEFRAMES timeframe) { CSeriesDE *series=this.GetSeries(timeframe); return(series!=NULL ? series.IsDrawingAsDotsPatternOutsideBar() : false); } //--- Return the flag for drawing the Inside Bar pattern with dots bool CTimeSeriesDE::IsDrawingAsDotsPatternInsideBar(const ENUM_TIMEFRAMES timeframe) { CSeriesDE *series=this.GetSeries(timeframe); return(series!=NULL ? series.IsDrawingAsDotsPatternInsideBar() : false); } //--- Return the flag for drawing the Pin Bar pattern with dots bool CTimeSeriesDE::IsDrawingAsDotsPatternPinBar(const ENUM_TIMEFRAMES timeframe,const double ratio_body=30, // Percentage ratio of the candle body to the full size of the candle const double ratio_larger_shadow=60, // Percentage ratio of the size of the larger shadow to the size of the candle const double ratio_smaller_shadow=30) // Percentage ratio of the size of the smaller shadow to the size of the candle { CSeriesDE *series=this.GetSeries(timeframe); return(series!=NULL ? series.IsDrawingAsDotsPatternPinBar(ratio_body,ratio_larger_shadow,ratio_smaller_shadow) : false); } //--- Return the flag for drawing the Rails pattern with dots bool CTimeSeriesDE::IsDrawingAsDotsPatternRails(const ENUM_TIMEFRAMES timeframe) { CSeriesDE *series=this.GetSeries(timeframe); return(series!=NULL ? series.IsDrawingAsDotsPatternRails() : false); }
En futuros artículos, monitorearemos los parámetros del gráfico para restablecer las propiedades del gráfico en los objetos de series temporales utilizados para dibujar iconos de patrones. Todas las propiedades de todos los gráficos abiertos en el terminal se contienen en la colección de gráficos de la biblioteca. Para que podamos acceder a los datos de dicha colección desde la colección de series temporales de todos los símbolos, necesitamos transmitir a la colección de series temporales el puntero a la colección de gráficos.
Para ello, conectamos al archivo de series temporales de los símbolos \MQL5\Include\DoEasy\Collections\TimeSeriesCollection.mqh el archivo de colección de gráficos y declaramos en la sección privada el puntero a la colección de gráficos:
//+------------------------------------------------------------------+ //| Include files | //+------------------------------------------------------------------+ #include "ListObj.mqh" #include "..\Objects\Series\TimeSeriesDE.mqh" #include "..\Objects\Symbols\Symbol.mqh" #include "ChartObjCollection.mqh" //+------------------------------------------------------------------+ //| Symbol timeseries collection | //+------------------------------------------------------------------+ class CTimeSeriesCollection : public CBaseObjExt { private: CListObj m_list; // List of applied symbol timeseries CListObj m_list_all_patterns; // List of all patterns of all used symbol timeseries CChartObjCollection *m_charts; // Pointer to the chart collection //--- Return the timeseries index by symbol name int IndexTimeSeries(const string symbol); public:
En la sección pública de la clase, en la sección de métodos para trabajar con patrones de series temporales, declaramos los nuevos métodos:
//+------------------------------------------------------------------+ //| Methods for setting the flag of drawing the pattern using dots | //+------------------------------------------------------------------+ //--- Set the flag for using the Harami pattern and create a control object if it does not already exist void SetDrawingAsDotsPatternHarami(const string symbol,const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw); //--- Set the flag for using the Harami Cross pattern and create a control object if it does not already exist void SetDrawingAsDotsPatternHaramiCross(const string symbol,const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw); //--- Set the flag for using the Tweezer pattern and create a control object if it does not already exist void SetDrawingAsDotsPatternTweezer(const string symbol,const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw); //--- Set the flag for using the Piercing Line pattern and create a control object if it does not already exist void SetDrawingAsDotsPatternPiercingLine(const string symbol,const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw); //--- Set the flag for using the Cloud Cover pattern and create a control object if it does not already exist void SetDrawingAsDotsPatternDarkCloudCover(const string symbol,const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw); //--- Set the flag for using the Three White Soldiers pattern and create a control object if it does not already exist void SetDrawingAsDotsPatternThreeWhiteSoldiers(const string symbol,const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw); //--- Set the flag for using the Three Black Crows pattern and create a control object if it does not already exist void SetDrawingAsDotsPatternThreeBlackCrows(const string symbol,const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw); //--- Set the flag for using the Shooting Star pattern and create a control object if it does not already exist void SetDrawingAsDotsPatternShootingStar(const string symbol,const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw); //--- Set the flag for using the Hammer pattern and create a control object if it does not already exist void SetDrawingAsDotsPatternHammer(const string symbol,const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw); //--- Set the flag for using the Inverted Hammer pattern and create a control object if it does not already exist void SetDrawingAsDotsPatternInvertedHammer(const string symbol,const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw); //--- Set the flag for using the Hanging Man pattern and create a control object if it does not already exist void SetDrawingAsDotsPatternHangingMan(const string symbol,const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw); //--- Set the flag for using the Doji pattern and create a control object if it does not already exist void SetDrawingAsDotsPatternDoji(const string symbol,const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw); //--- Set the flag for using the Dragonfly Doji pattern and create a control object if it does not already exist void SetDrawingAsDotsPatternDragonflyDoji(const string symbol,const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw); //--- Set the flag for using the Doji Gravestone pattern and create a control object if it does not already exist void SetDrawingAsDotsPatternGravestoneDoji(const string symbol,const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw); //--- Set the flag for using the Morning Star pattern and create a control object if it does not already exist void SetDrawingAsDotsPatternMorningStar(const string symbol,const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw); //--- Set the flag for using the Morning Doji Star pattern and create a control object if it does not already exist void SetDrawingAsDotsPatternMorningDojiStar(const string symbol,const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw); //--- Set the flag for using the Evening Star pattern and create a control object if it does not already exist void SetDrawingAsDotsPatternEveningStar(const string symbol,const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw); //--- Set the flag for using the Evening Doji Star pattern and create a control object if it does not already exist void SetDrawingAsDotsPatternEveningDojiStar(const string symbol,const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw); //--- Set the flag for using the Three Stars pattern and create a control object if it does not already exist void SetDrawingAsDotsPatternThreeStars(const string symbol,const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw); //--- Set the flag for using the Abandoned Baby pattern and create a control object if it does not already exist void SetDrawingAsDotsPatternAbandonedBaby(const string symbol,const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw); //--- Set the flag for using the Pivot Point Reversal pattern and create a control object if it does not already exist //--- Price Action void SetDrawingAsDotsPatternPivotPointReversal(const string symbol,const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw); //--- Set the flag for using the Pattern Outside and create a control object if it does not already exist void SetDrawingAsDotsPatternOutsideBar(const string symbol,const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw); //--- Set the flag for using the Pattern Inside and create a control object if it does not already exist void SetDrawingAsDotsPatternInsideBar(const string symbol,const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw); //--- Set the flag for using the Pin Bar pattern and create a control object if it does not already exist void SetDrawingAsDotsPatternPinBar(const string symbol,const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw, // Flag of drawing with dots and Pin Bar Price Action redraw flag const double ratio_body=30, // Percentage ratio of the candle body to the full size of the candle const double ratio_larger_shadow=60, // Percentage ratio of the size of the larger shadow to the size of the candle const double ratio_smaller_shadow=30); // Percentage ratio of the size of the smaller shadow to the size of the candle //--- Set the flag for using the Rails pattern and create a control object if it does not already exist void SetDrawingAsDotsPatternRails(const string symbol,const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw); //+------------------------------------------------------------------+ //| Methods of returning the flag of drawing with dots | //+------------------------------------------------------------------+ //--- Candle formations //--- Return the flag of using the Harami pattern bool IsDrawingAsDotsPatternHarami(const string symbol,const ENUM_TIMEFRAMES timeframe); //--- Return the flag of using the Harami Cross pattern bool IsDrawingAsDotsPatternHaramiCross(const string symbol,const ENUM_TIMEFRAMES timeframe); //--- Return the flag of using the Tweezer pattern bool IsDrawingAsDotsPatternTweezer(const string symbol,const ENUM_TIMEFRAMES timeframe); //--- Return the flag of using the Piercing Line pattern bool IsDrawingAsDotsPatternPiercingLine(const string symbol,const ENUM_TIMEFRAMES timeframe); //--- Return the flag of using the Cloud Cover pattern bool IsDrawingAsDotsPatternDarkCloudCover(const string symbol,const ENUM_TIMEFRAMES timeframe); //--- Return the flag of using the Three White Soldiers pattern bool IsDrawingAsDotsPatternThreeWhiteSoldiers(const string symbol,const ENUM_TIMEFRAMES timeframe); //--- Return the flag of using the Three Black Crows pattern bool IsDrawingAsDotsPatternThreeBlackCrows(const string symbol,const ENUM_TIMEFRAMES timeframe); //--- Return the flag of using the Shooting Star pattern bool IsDrawingAsDotsPatternShootingStar(const string symbol,const ENUM_TIMEFRAMES timeframe); //--- Return the flag of using the Hammer pattern bool IsDrawingAsDotsPatternHammer(const string symbol,const ENUM_TIMEFRAMES timeframe); //--- Return the flag of using the Inverted Hammer pattern bool IsDrawingAsDotsPatternInvertedHammer(const string symbol,const ENUM_TIMEFRAMES timeframe); //--- Return the flag of using the Hanging Man pattern bool IsDrawingAsDotsPatternHangingMan(const string symbol,const ENUM_TIMEFRAMES timeframe); //--- Return the flag of using the Doji pattern bool IsDrawingAsDotsPatternDoji(const string symbol,const ENUM_TIMEFRAMES timeframe); //--- Return the flag of using the Dragonfly Doji pattern bool IsDrawingAsDotsPatternDragonflyDoji(const string symbol,const ENUM_TIMEFRAMES timeframe); //--- Return the flag of using the Gravestone Doji pattern bool IsDrawingAsDotsPatternGravestoneDoji(const string symbol,const ENUM_TIMEFRAMES timeframe); //--- Return the flag of using the Morning Star pattern bool IsDrawingAsDotsPatternMorningStar(const string symbol,const ENUM_TIMEFRAMES timeframe); //--- Return the flag of using the Morning Doji Star pattern bool IsDrawingAsDotsPatternMorningDojiStar(const string symbol,const ENUM_TIMEFRAMES timeframe); //--- Return the flag of using the Evening Star pattern bool IsDrawingAsDotsPatternEveningStar(const string symbol,const ENUM_TIMEFRAMES timeframe); //--- Return the flag of using the Evening Doji Star pattern bool IsDrawingAsDotsPatternEveningDojiStar(const string symbol,const ENUM_TIMEFRAMES timeframe); //--- Return the flag of using the Three Stars pattern bool IsDrawingAsDotsPatternThreeStars(const string symbol,const ENUM_TIMEFRAMES timeframe); //--- Return the flag of using the Abandoned Baby pattern bool IsDrawingAsDotsPatternAbandonedBaby(const string symbol,const ENUM_TIMEFRAMES timeframe); //--- Price Action //--- Return the flag of using the Pivot Point Reversal pattern bool IsDrawingAsDotsPatternPivotPointReversal(const string symbol,const ENUM_TIMEFRAMES timeframe); //--- Return the flag of using the Pattern Outside bool IsDrawingAsDotsPatternOutsideBar(const string symbol,const ENUM_TIMEFRAMES timeframe); //--- Return the flag of using the Inside Bar pattern bool IsDrawingAsDotsPatternInsideBar(const string symbol,const ENUM_TIMEFRAMES timeframe); //--- Return the flag of using the Pin Bar pattern bool IsDrawingAsDotsPatternPinBar(const string symbol,const ENUM_TIMEFRAMES timeframe,double ratio_body=30, // Percentage ratio of the candle body to the full size of the candle const double ratio_larger_shadow=60, // Percentage ratio of the size of the larger shadow to the size of the candle const double ratio_smaller_shadow=30); // Percentage ratio of the size of the smaller shadow to the size of the candle //--- Return the flag of using the Rails pattern bool IsDrawingAsDotsPatternRails(const string symbol,const ENUM_TIMEFRAMES timeframe);
Al final del cuerpo de la clase, escribimos un método de inicialización en el que, al puntero a la colección de gráficos que se ha declarado anteriormente, se le asignará el puntero transmitido al método:
//--- Draw Rails pattern labels on the chart void DrawPatternRails(const string symbol,const ENUM_TIMEFRAMES timeframe,const bool redraw=false); //--- Initialization void OnInit(CChartObjCollection *charts) { this.m_charts=charts; } //--- Constructor CTimeSeriesCollection(void); };
Fuera del cuerpo de la clase, escribimos una implementación de los métodos declarados anteriormente para trabajar con patrones de series temporales:
//+------------------------------------------------------------------+ //| Methods for setting the flag of drawing the pattern using dots | //+------------------------------------------------------------------+ //+------------------------------------------------------------------+ //| Set the flag for drawing the Harami pattern with dots | //+------------------------------------------------------------------+ void CTimeSeriesCollection::SetDrawingAsDotsPatternHarami(const string symbol,const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw) { CTimeSeriesDE *timeseries=this.GetTimeseries(symbol); if(timeseries!=NULL) timeseries.SetDrawingAsDotsPatternHarami(timeframe,flag,redraw); } //+------------------------------------------------------------------+ //| Set the flag for drawing the Harami Cross pattern with dots | //+------------------------------------------------------------------+ void CTimeSeriesCollection::SetDrawingAsDotsPatternHaramiCross(const string symbol,const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw) { CTimeSeriesDE *timeseries=this.GetTimeseries(symbol); if(timeseries!=NULL) timeseries.SetDrawingAsDotsPatternHaramiCross(timeframe,flag,redraw); } //+------------------------------------------------------------------+ //| Set the flag for drawing the Tweezer pattern with dots | //+------------------------------------------------------------------+ void CTimeSeriesCollection::SetDrawingAsDotsPatternTweezer(const string symbol,const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw) { CTimeSeriesDE *timeseries=this.GetTimeseries(symbol); if(timeseries!=NULL) timeseries.SetDrawingAsDotsPatternTweezer(timeframe,flag,redraw); } //+------------------------------------------------------------------+ //| Set the flag for drawing the Piercing Line pattern with dots | //+------------------------------------------------------------------+ void CTimeSeriesCollection::SetDrawingAsDotsPatternPiercingLine(const string symbol,const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw) { CTimeSeriesDE *timeseries=this.GetTimeseries(symbol); if(timeseries!=NULL) timeseries.SetDrawingAsDotsPatternPiercingLine(timeframe,flag,redraw); } //+----------------------------------------------------------------------+ //|Set the flag for drawing the Cloud Cover pattern with dots | //+----------------------------------------------------------------------+ void CTimeSeriesCollection::SetDrawingAsDotsPatternDarkCloudCover(const string symbol,const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw) { CTimeSeriesDE *timeseries=this.GetTimeseries(symbol); if(timeseries!=NULL) timeseries.SetDrawingAsDotsPatternDarkCloudCover(timeframe,flag,redraw); } //+--------------------------------------------------------------------+ //| Set the flag for drawing the Three White Soldiers pattern with dots| //+--------------------------------------------------------------------+ void CTimeSeriesCollection::SetDrawingAsDotsPatternThreeWhiteSoldiers(const string symbol,const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw) { CTimeSeriesDE *timeseries=this.GetTimeseries(symbol); if(timeseries!=NULL) timeseries.SetDrawingAsDotsPatternThreeWhiteSoldiers(timeframe,flag,redraw); } //+------------------------------------------------------------------+ //| Set the flag for drawing the Three Black Crows pattern with dots | //+------------------------------------------------------------------+ void CTimeSeriesCollection::SetDrawingAsDotsPatternThreeBlackCrows(const string symbol,const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw) { CTimeSeriesDE *timeseries=this.GetTimeseries(symbol); if(timeseries!=NULL) timeseries.SetDrawingAsDotsPatternThreeBlackCrows(timeframe,flag,redraw); } //+------------------------------------------------------------------+ //| Set the flag for drawing the Shooting Star pattern with dots | //+------------------------------------------------------------------+ void CTimeSeriesCollection::SetDrawingAsDotsPatternShootingStar(const string symbol,const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw) { CTimeSeriesDE *timeseries=this.GetTimeseries(symbol); if(timeseries!=NULL) timeseries.SetDrawingAsDotsPatternShootingStar(timeframe,flag,redraw); } //+------------------------------------------------------------------+ //| Set the flag for drawing the Hammer pattern with dots | //+------------------------------------------------------------------+ void CTimeSeriesCollection::SetDrawingAsDotsPatternHammer(const string symbol,const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw) { CTimeSeriesDE *timeseries=this.GetTimeseries(symbol); if(timeseries!=NULL) timeseries.SetDrawingAsDotsPatternHammer(timeframe,flag,redraw); } //+------------------------------------------------------------------+ //| Set the flag for drawing the Inverted Hammer pattern with dots | //+------------------------------------------------------------------+ void CTimeSeriesCollection::SetDrawingAsDotsPatternInvertedHammer(const string symbol,const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw) { CTimeSeriesDE *timeseries=this.GetTimeseries(symbol); if(timeseries!=NULL) timeseries.SetDrawingAsDotsPatternInvertedHammer(timeframe,flag,redraw); } //+------------------------------------------------------------------+ //| Set the flag for drawing the Hanging Man pattern with dots | //+------------------------------------------------------------------+ void CTimeSeriesCollection::SetDrawingAsDotsPatternHangingMan(const string symbol,const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw) { CTimeSeriesDE *timeseries=this.GetTimeseries(symbol); if(timeseries!=NULL) timeseries.SetDrawingAsDotsPatternHangingMan(timeframe,flag,redraw); } //+------------------------------------------------------------------+ //| Set the flag for drawing the Doji pattern with dots | //+------------------------------------------------------------------+ void CTimeSeriesCollection::SetDrawingAsDotsPatternDoji(const string symbol,const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw) { CTimeSeriesDE *timeseries=this.GetTimeseries(symbol); if(timeseries!=NULL) timeseries.SetDrawingAsDotsPatternDoji(timeframe,flag,redraw); } //+------------------------------------------------------------------+ //| Set the flag for drawing the Dragonfly Doji pattern with dots | //+------------------------------------------------------------------+ void CTimeSeriesCollection::SetDrawingAsDotsPatternDragonflyDoji(const string symbol,const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw) { CTimeSeriesDE *timeseries=this.GetTimeseries(symbol); if(timeseries!=NULL) timeseries.SetDrawingAsDotsPatternDragonflyDoji(timeframe,flag,redraw); } //+------------------------------------------------------------------+ //| Set the flag for drawing the Gravestone Doji pattern with dots | //+------------------------------------------------------------------+ void CTimeSeriesCollection::SetDrawingAsDotsPatternGravestoneDoji(const string symbol,const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw) { CTimeSeriesDE *timeseries=this.GetTimeseries(symbol); if(timeseries!=NULL) timeseries.SetDrawingAsDotsPatternGravestoneDoji(timeframe,flag,redraw); } //+------------------------------------------------------------------+ //| Set the flag for drawing the Morning Star pattern with dots | //+------------------------------------------------------------------+ void CTimeSeriesCollection::SetDrawingAsDotsPatternMorningStar(const string symbol,const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw) { CTimeSeriesDE *timeseries=this.GetTimeseries(symbol); if(timeseries!=NULL) timeseries.SetDrawingAsDotsPatternMorningStar(timeframe,flag,redraw); } //+-------------------------------------------------------------------+ //|Set the flag for drawing the Morning Doji Star pattern with dots | //+-------------------------------------------------------------------+ void CTimeSeriesCollection::SetDrawingAsDotsPatternMorningDojiStar(const string symbol,const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw) { CTimeSeriesDE *timeseries=this.GetTimeseries(symbol); if(timeseries!=NULL) timeseries.SetDrawingAsDotsPatternMorningDojiStar(timeframe,flag,redraw); } //+------------------------------------------------------------------+ //| Set the flag for drawing the Evening Star pattern with dots | //+------------------------------------------------------------------+ void CTimeSeriesCollection::SetDrawingAsDotsPatternEveningStar(const string symbol,const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw) { CTimeSeriesDE *timeseries=this.GetTimeseries(symbol); if(timeseries!=NULL) timeseries.SetDrawingAsDotsPatternEveningStar(timeframe,flag,redraw); } //+-------------------------------------------------------------------+ //|Set the flag for drawing the Evening Doji Star pattern with dots | //+-------------------------------------------------------------------+ void CTimeSeriesCollection::SetDrawingAsDotsPatternEveningDojiStar(const string symbol,const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw) { CTimeSeriesDE *timeseries=this.GetTimeseries(symbol); if(timeseries!=NULL) timeseries.SetDrawingAsDotsPatternEveningDojiStar(timeframe,flag,redraw); } //+------------------------------------------------------------------+ //| Set the flag for drawing the Three Stars pattern with dots | //+------------------------------------------------------------------+ void CTimeSeriesCollection::SetDrawingAsDotsPatternThreeStars(const string symbol,const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw) { CTimeSeriesDE *timeseries=this.GetTimeseries(symbol); if(timeseries!=NULL) timeseries.SetDrawingAsDotsPatternThreeStars(timeframe,flag,redraw); } //+------------------------------------------------------------------+ //| Set the flag for drawing the Abandoned Baby pattern with dots | //+------------------------------------------------------------------+ void CTimeSeriesCollection::SetDrawingAsDotsPatternAbandonedBaby(const string symbol,const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw) { CTimeSeriesDE *timeseries=this.GetTimeseries(symbol); if(timeseries!=NULL) timeseries.SetDrawingAsDotsPatternAbandonedBaby(timeframe,flag,redraw); } //--- Price Action //+------------------------------------------------------------------+ //|Set the flag for drawing the Pivot Point Reversal pattern with dots| //+------------------------------------------------------------------+ void CTimeSeriesCollection::SetDrawingAsDotsPatternPivotPointReversal(const string symbol,const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw) { CTimeSeriesDE *timeseries=this.GetTimeseries(symbol); if(timeseries!=NULL) timeseries.SetDrawingAsDotsPatternPivotPointReversal(timeframe,flag,redraw); } //+----------------------------------------------------------------------+ //|Set the flag for drawing the Outside Bar pattern with dots | //+----------------------------------------------------------------------+ void CTimeSeriesCollection::SetDrawingAsDotsPatternOutsideBar(const string symbol,const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw) { CTimeSeriesDE *timeseries=this.GetTimeseries(symbol); if(timeseries!=NULL) timeseries.SetDrawingAsDotsPatternOutsideBar(timeframe,flag,redraw); } //+------------------------------------------------------------------+ //| Set the flag for drawing the Inside Bar pattern with dots | //+------------------------------------------------------------------+ void CTimeSeriesCollection::SetDrawingAsDotsPatternInsideBar(const string symbol,const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw) { CTimeSeriesDE *timeseries=this.GetTimeseries(symbol); if(timeseries!=NULL) timeseries.SetDrawingAsDotsPatternInsideBar(timeframe,flag,redraw); } //+------------------------------------------------------------------+ //| Set the flag for drawing the Pin Bar pattern with dots | //+------------------------------------------------------------------+ void CTimeSeriesCollection::SetDrawingAsDotsPatternPinBar(const string symbol,const ENUM_TIMEFRAMES timeframe, const bool flag,const bool redraw, // Flag of drawing with dots and Pin Bar Price Action redraw flag const double ratio_body=30, // Percentage ratio of the candle body to the full size of the candle const double ratio_larger_shadow=60, // Percentage ratio of the size of the larger shadow to the size of the candle const double ratio_smaller_shadow=30) // Percentage ratio of the size of the smaller shadow to the size of the candle { CTimeSeriesDE *timeseries=this.GetTimeseries(symbol); if(timeseries!=NULL) timeseries.SetDrawingAsDotsPatternPinBar(timeframe,flag,redraw,ratio_body,ratio_larger_shadow,ratio_smaller_shadow); } //+------------------------------------------------------------------+ //| Set the flag for drawing the Rails pattern with dots | //+------------------------------------------------------------------+ void CTimeSeriesCollection::SetDrawingAsDotsPatternRails(const string symbol,const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw) { CTimeSeriesDE *timeseries=this.GetTimeseries(symbol); if(timeseries!=NULL) timeseries.SetDrawingAsDotsPatternRails(timeframe,flag,redraw); } //+------------------------------------------------------------------+ //+------------------------------------------------------------------+ //| Methods of returning the flag of drawing with dots | //+------------------------------------------------------------------+ //--- Candle formations //+------------------------------------------------------------------+ //| Return the flag for drawing the Harami pattern with dots | //+------------------------------------------------------------------+ bool CTimeSeriesCollection::IsDrawingAsDotsPatternHarami(const string symbol,const ENUM_TIMEFRAMES timeframe) { CTimeSeriesDE *timeseries=this.GetTimeseries(symbol); return(timeseries!=NULL ? timeseries.IsDrawingAsDotsPatternHarami(timeframe) : false); } //+------------------------------------------------------------------+ //| Return the flag for drawing the Harami Cross pattern with dots | //+------------------------------------------------------------------+ bool CTimeSeriesCollection::IsDrawingAsDotsPatternHaramiCross(const string symbol,const ENUM_TIMEFRAMES timeframe) { CTimeSeriesDE *timeseries=this.GetTimeseries(symbol); return(timeseries!=NULL ? timeseries.IsDrawingAsDotsPatternHaramiCross(timeframe) : false); } //+------------------------------------------------------------------+ //| Return the flag for drawing the Tweezer pattern with dots | //+------------------------------------------------------------------+ bool CTimeSeriesCollection::IsDrawingAsDotsPatternTweezer(const string symbol,const ENUM_TIMEFRAMES timeframe) { CTimeSeriesDE *timeseries=this.GetTimeseries(symbol); return(timeseries!=NULL ? timeseries.IsDrawingAsDotsPatternTweezer(timeframe) : false); } //+------------------------------------------------------------------+ //| Return the flag for drawing the Piercing Line pattern with dots | //+------------------------------------------------------------------+ bool CTimeSeriesCollection::IsDrawingAsDotsPatternPiercingLine(const string symbol,const ENUM_TIMEFRAMES timeframe) { CTimeSeriesDE *timeseries=this.GetTimeseries(symbol); return(timeseries!=NULL ? timeseries.IsDrawingAsDotsPatternPiercingLine(timeframe) : false); } //+-------------------------------------------------------------------+ //|Return the flag for drawing the Cloud Cover pattern with dots | //+-------------------------------------------------------------------+ bool CTimeSeriesCollection::IsDrawingAsDotsPatternDarkCloudCover(const string symbol,const ENUM_TIMEFRAMES timeframe) { CTimeSeriesDE *timeseries=this.GetTimeseries(symbol); return(timeseries!=NULL ? timeseries.IsDrawingAsDotsPatternDarkCloudCover(timeframe) : false); } //+-----------------------------------------------------------------------+ //| Return the flag for drawing the Three White Soldiers pattern with dots| //+-----------------------------------------------------------------------+ bool CTimeSeriesCollection::IsDrawingAsDotsPatternThreeWhiteSoldiers(const string symbol,const ENUM_TIMEFRAMES timeframe) { CTimeSeriesDE *timeseries=this.GetTimeseries(symbol); return(timeseries!=NULL ? timeseries.IsDrawingAsDotsPatternThreeWhiteSoldiers(timeframe) : false); } //+--------------------------------------------------------------------+ //| Return the flag for drawing the Three Black Crows pattern with dots| //+--------------------------------------------------------------------+ bool CTimeSeriesCollection::IsDrawingAsDotsPatternThreeBlackCrows(const string symbol,const ENUM_TIMEFRAMES timeframe) { CTimeSeriesDE *timeseries=this.GetTimeseries(symbol); return(timeseries!=NULL ? timeseries.IsDrawingAsDotsPatternThreeBlackCrows(timeframe) : false); } //+------------------------------------------------------------------+ //| Return the flag for drawing the Shooting Star pattern with dots | //+------------------------------------------------------------------+ bool CTimeSeriesCollection::IsDrawingAsDotsPatternShootingStar(const string symbol,const ENUM_TIMEFRAMES timeframe) { CTimeSeriesDE *timeseries=this.GetTimeseries(symbol); return(timeseries!=NULL ? timeseries.IsDrawingAsDotsPatternShootingStar(timeframe) : false); } //+------------------------------------------------------------------+ //| Return the flag for drawing the Hammer pattern with dots | //+------------------------------------------------------------------+ bool CTimeSeriesCollection::IsDrawingAsDotsPatternHammer(const string symbol,const ENUM_TIMEFRAMES timeframe) { CTimeSeriesDE *timeseries=this.GetTimeseries(symbol); return(timeseries!=NULL ? timeseries.IsDrawingAsDotsPatternHammer(timeframe) : false); } //+------------------------------------------------------------------+ //| Return the flag for drawing the Inverted Hammer pattern with dots| //+------------------------------------------------------------------+ bool CTimeSeriesCollection::IsDrawingAsDotsPatternInvertedHammer(const string symbol,const ENUM_TIMEFRAMES timeframe) { CTimeSeriesDE *timeseries=this.GetTimeseries(symbol); return(timeseries!=NULL ? timeseries.IsDrawingAsDotsPatternInvertedHammer(timeframe) : false); } //+------------------------------------------------------------------+ //| Return the flag for drawing the Hanging Man pattern with dots | //+------------------------------------------------------------------+ bool CTimeSeriesCollection::IsDrawingAsDotsPatternHangingMan(const string symbol,const ENUM_TIMEFRAMES timeframe) { CTimeSeriesDE *timeseries=this.GetTimeseries(symbol); return(timeseries!=NULL ? timeseries.IsDrawingAsDotsPatternHangingMan(timeframe) : false); } //+------------------------------------------------------------------+ //| Return the flag for drawing the Doji pattern with dots | //+------------------------------------------------------------------+ bool CTimeSeriesCollection::IsDrawingAsDotsPatternDoji(const string symbol,const ENUM_TIMEFRAMES timeframe) { CTimeSeriesDE *timeseries=this.GetTimeseries(symbol); return(timeseries!=NULL ? timeseries.IsDrawingAsDotsPatternDoji(timeframe) : false); } //+------------------------------------------------------------------+ //| Return the flag for drawing the Dragonfly Doji pattern with dots | //+------------------------------------------------------------------+ bool CTimeSeriesCollection::IsDrawingAsDotsPatternDragonflyDoji(const string symbol,const ENUM_TIMEFRAMES timeframe) { CTimeSeriesDE *timeseries=this.GetTimeseries(symbol); return(timeseries!=NULL ? timeseries.IsDrawingAsDotsPatternDragonflyDoji(timeframe) : false); } //+------------------------------------------------------------------+ //| Return the flag for drawing the Gravestone Doji pattern with dots| //+------------------------------------------------------------------+ bool CTimeSeriesCollection::IsDrawingAsDotsPatternGravestoneDoji(const string symbol,const ENUM_TIMEFRAMES timeframe) { CTimeSeriesDE *timeseries=this.GetTimeseries(symbol); return(timeseries!=NULL ? timeseries.IsDrawingAsDotsPatternGravestoneDoji(timeframe) : false); } //+------------------------------------------------------------------+ //| Return the flag for drawing the Morning Star pattern with dots | //+------------------------------------------------------------------+ bool CTimeSeriesCollection::IsDrawingAsDotsPatternMorningStar(const string symbol,const ENUM_TIMEFRAMES timeframe) { CTimeSeriesDE *timeseries=this.GetTimeseries(symbol); return(timeseries!=NULL ? timeseries.IsDrawingAsDotsPatternMorningStar(timeframe) : false); } //+---------------------------------------------------------------------+ //| Return the flag for drawing the Morning Doji Star pattern with dots | //+---------------------------------------------------------------------+ bool CTimeSeriesCollection::IsDrawingAsDotsPatternMorningDojiStar(const string symbol,const ENUM_TIMEFRAMES timeframe) { CTimeSeriesDE *timeseries=this.GetTimeseries(symbol); return(timeseries!=NULL ? timeseries.IsDrawingAsDotsPatternMorningDojiStar(timeframe) : false); } //+------------------------------------------------------------------+ //| Return the flag for drawing the Evening Star pattern with dots | //+------------------------------------------------------------------+ bool CTimeSeriesCollection::IsDrawingAsDotsPatternEveningStar(const string symbol,const ENUM_TIMEFRAMES timeframe) { CTimeSeriesDE *timeseries=this.GetTimeseries(symbol); return(timeseries!=NULL ? timeseries.IsDrawingAsDotsPatternEveningStar(timeframe) : false); } //+---------------------------------------------------------------------+ //| Return the flag for drawing the Evening Doji Star pattern with dots | //+---------------------------------------------------------------------+ bool CTimeSeriesCollection::IsDrawingAsDotsPatternEveningDojiStar(const string symbol,const ENUM_TIMEFRAMES timeframe) { CTimeSeriesDE *timeseries=this.GetTimeseries(symbol); return(timeseries!=NULL ? timeseries.IsDrawingAsDotsPatternEveningDojiStar(timeframe) : false); } //+------------------------------------------------------------------+ //| Return the flag for drawing the Three Stars pattern with dots | //+------------------------------------------------------------------+ bool CTimeSeriesCollection::IsDrawingAsDotsPatternThreeStars(const string symbol,const ENUM_TIMEFRAMES timeframe) { CTimeSeriesDE *timeseries=this.GetTimeseries(symbol); return(timeseries!=NULL ? timeseries.IsDrawingAsDotsPatternThreeStars(timeframe) : false); } //+------------------------------------------------------------------+ //| Return the flag for drawing the Abandoned Baby pattern with dots | //+------------------------------------------------------------------+ bool CTimeSeriesCollection::IsDrawingAsDotsPatternAbandonedBaby(const string symbol,const ENUM_TIMEFRAMES timeframe) { CTimeSeriesDE *timeseries=this.GetTimeseries(symbol); return(timeseries!=NULL ? timeseries.IsDrawingAsDotsPatternAbandonedBaby(timeframe) : false); } //--- Price Action //+-------------------------------------------------------------------------+ //| Return the flag for drawing the Pivot Point Reversal pattern with dots | //+-------------------------------------------------------------------------+ bool CTimeSeriesCollection::IsDrawingAsDotsPatternPivotPointReversal(const string symbol,const ENUM_TIMEFRAMES timeframe) { CTimeSeriesDE *timeseries=this.GetTimeseries(symbol); return(timeseries!=NULL ? timeseries.IsDrawingAsDotsPatternPivotPointReversal(timeframe) : false); } //+-------------------------------------------------------------------+ //|Return the flag for drawing the Outside Bar pattern with dots | //+-------------------------------------------------------------------+ bool CTimeSeriesCollection::IsDrawingAsDotsPatternOutsideBar(const string symbol,const ENUM_TIMEFRAMES timeframe) { CTimeSeriesDE *timeseries=this.GetTimeseries(symbol); return(timeseries!=NULL ? timeseries.IsDrawingAsDotsPatternOutsideBar(timeframe) : false); } //+------------------------------------------------------------------+ //| Return the flag for drawing the Inside Bar pattern with dots | //+------------------------------------------------------------------+ bool CTimeSeriesCollection::IsDrawingAsDotsPatternInsideBar(const string symbol,const ENUM_TIMEFRAMES timeframe) { CTimeSeriesDE *timeseries=this.GetTimeseries(symbol); return(timeseries!=NULL ? timeseries.IsDrawingAsDotsPatternInsideBar(timeframe) : false); } //+------------------------------------------------------------------+ //| Return the flag for drawing the Pin Bar pattern with dots | //+------------------------------------------------------------------+ bool CTimeSeriesCollection::IsDrawingAsDotsPatternPinBar(const string symbol,const ENUM_TIMEFRAMES timeframe, const double ratio_body=30, // Percentage ratio of the candle body to the full size of the candle const double ratio_larger_shadow=60, // Percentage ratio of the size of the larger shadow to the size of the candle const double ratio_smaller_shadow=30) // Percentage ratio of the size of the smaller shadow to the size of the candle { CTimeSeriesDE *timeseries=this.GetTimeseries(symbol); return(timeseries!=NULL ? timeseries.IsDrawingAsDotsPatternPinBar(timeframe,ratio_body,ratio_larger_shadow,ratio_smaller_shadow) : false); } //+------------------------------------------------------------------+ //| Return the flag for drawing the Rails pattern with dots | //+------------------------------------------------------------------+ bool CTimeSeriesCollection::IsDrawingAsDotsPatternRails(const string symbol,const ENUM_TIMEFRAMES timeframe) { CTimeSeriesDE *timeseries=this.GetTimeseries(symbol); return(timeseries!=NULL ? timeseries.IsDrawingAsDotsPatternRails(timeframe) : false); }
Ya creamos métodos similares en el último artículo, donde los explicamos con más detalle. En principio, todo es sencillo: obtenemos el puntero a la serie temporal requerida de un símbolo, y retornamos el resultado del método homónimo de la serie temporal obtenida. Allí, a su vez, obtenemos exactamente de la misma forma el puntero a la serie temporal requerida del periodo del gráfico desde el que se llama al método que retorna el puntero al objeto de control de patrones de series temporales, desde el que se llama al método de control correspondiente, a lo largo de toda la cadena hasta obtener el resultado requerido. El diseño es anidado y resulta bastante incómodo por la voluminosidad de los códigos idénticos presentes. Más adelante, intentaremos acortarlo organizando de otro modo el acceso a los objetos deseados.
Y lo mismo debemos hacer con la clase principal de la biblioteca CEngine en el archivo \MT5\MQL5\Include\DoEasy\Engine.mqh.
En todos los métodos de trabajo con patrones sustituiremos dichas cadenas de parámetros de entrada o similares
CArrayObj *list=this.GetListPatterns(symbol,timeframe); por estas:
CArrayObj *list=this.GetListPatterns(CorrectSymbol(symbol),CorrectTimeframe(timeframe)); Aquí hemos sustituido los valores de símbolo y periodo del gráfico transmitidos en los parámetros del método, por las funciones de corrección de estos parámetros escritas al principio del artículo.
En la sección de métodos para trabajar con patrones, escribiremos los nuevos métodos para trabajar con la bandera de dibujado de patrones como puntos:
//--- Set the flag for using the Rails pattern and create a control object if it does not already exist void SeriesSetUsedPatternRails(const string symbol,const ENUM_TIMEFRAMES timeframe,const bool flag) { this.m_time_series.SetUsedPatternRails(CorrectSymbol(symbol),CorrectTimeframe(timeframe),flag); } //--- Set the flag for drawing the Harami pattern with dots void SeriesSetDrawingAsDotsPatternHarami(const string symbol,const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw=false) { this.m_time_series.SetDrawingAsDotsPatternHarami(CorrectSymbol(symbol),CorrectTimeframe(timeframe),flag,redraw); } //--- Set the flag for drawing the Harami Cross pattern with dots void SeriesSetDrawingAsDotsPatternHaramiCross(const string symbol,const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw=false) { this.m_time_series.SetDrawingAsDotsPatternHaramiCross(CorrectSymbol(symbol),CorrectTimeframe(timeframe),flag,redraw); } //--- Set the flag for drawing the Tweezer pattern with dots void SeriesSetDrawingAsDotsPatternTweezer(const string symbol,const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw=false) { this.m_time_series.SetDrawingAsDotsPatternTweezer(CorrectSymbol(symbol),CorrectTimeframe(timeframe),flag,redraw); } //--- Set the flag for drawing the Piercing Line pattern with dots void SeriesSetDrawingAsDotsPatternPiercingLine(const string symbol,const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw=false) { this.m_time_series.SetDrawingAsDotsPatternPiercingLine(CorrectSymbol(symbol),CorrectTimeframe(timeframe),flag,redraw); } //--- Set the flag for drawing the Cloud Cover pattern with dots void SeriesSetDrawingAsDotsPatternDarkCloudCover(const string symbol,const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw=false) { this.m_time_series.SetDrawingAsDotsPatternDarkCloudCover(CorrectSymbol(symbol),CorrectTimeframe(timeframe),flag,redraw); } //--- Set the flag for drawing the Three White Soldiers pattern with dots void SeriesSetDrawingAsDotsPatternThreeWhiteSoldiers(const string symbol,const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw=false) { this.m_time_series.SetDrawingAsDotsPatternThreeWhiteSoldiers(CorrectSymbol(symbol),CorrectTimeframe(timeframe),flag,redraw); } //--- Set the flag for drawing the Three Black Crows pattern with dots void SeriesSetDrawingAsDotsPatternThreeBlackCrows(const string symbol,const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw=false) { this.m_time_series.SetDrawingAsDotsPatternThreeBlackCrows(CorrectSymbol(symbol),CorrectTimeframe(timeframe),flag,redraw); } //--- Set the flag for drawing the Shooting Star pattern with dots void SeriesSetDrawingAsDotsPatternShootingStar(const string symbol,const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw=false) { this.m_time_series.SetDrawingAsDotsPatternShootingStar(CorrectSymbol(symbol),CorrectTimeframe(timeframe),flag,redraw); } //--- Set the flag for drawing the Hammer pattern with dots void SeriesSetDrawingAsDotsPatternHammer(const string symbol,const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw=false) { this.m_time_series.SetDrawingAsDotsPatternHammer(CorrectSymbol(symbol),CorrectTimeframe(timeframe),flag,redraw); } //--- Set the flag for drawing the Inverted Hammer pattern with dots void SeriesSetDrawingAsDotsPatternInvertedHammer(const string symbol,const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw=false) { this.m_time_series.SetDrawingAsDotsPatternInvertedHammer(CorrectSymbol(symbol),CorrectTimeframe(timeframe),flag,redraw); } //--- Set the flag for drawing the Hanging Man pattern with dots void SeriesSetDrawingAsDotsPatternHangingMan(const string symbol,const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw=false) { this.m_time_series.SetDrawingAsDotsPatternHangingMan(CorrectSymbol(symbol),CorrectTimeframe(timeframe),flag,redraw); } //--- Set the flag for drawing the Doji pattern with dots void SeriesSetDrawingAsDotsPatternDoji(const string symbol,const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw=false) { this.m_time_series.SetDrawingAsDotsPatternDoji(CorrectSymbol(symbol),CorrectTimeframe(timeframe),flag,redraw); } //--- Set the flag for drawing the Dragonfly Doji pattern with dots void SeriesSetDrawingAsDotsPatternDragonflyDoji(const string symbol,const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw=false) { this.m_time_series.SetDrawingAsDotsPatternDragonflyDoji(CorrectSymbol(symbol),CorrectTimeframe(timeframe),flag,redraw); } //--- Set the flag for drawing the Gravestone Doji pattern with dots void SeriesSetDrawingAsDotsPatternGravestoneDoji(const string symbol,const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw=false) { this.m_time_series.SetDrawingAsDotsPatternGravestoneDoji(CorrectSymbol(symbol),CorrectTimeframe(timeframe),flag,redraw); } //--- Set the flag for drawing the Morning Star pattern with dots void SeriesSetDrawingAsDotsPatternMorningStar(const string symbol,const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw=false) { this.m_time_series.SetDrawingAsDotsPatternMorningStar(CorrectSymbol(symbol),CorrectTimeframe(timeframe),flag,redraw); } //--- Set the flag for drawing the Morning Doji Star pattern with dots void SeriesSetDrawingAsDotsPatternMorningDojiStar(const string symbol,const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw=false) { this.m_time_series.SetDrawingAsDotsPatternMorningDojiStar(CorrectSymbol(symbol),CorrectTimeframe(timeframe),flag,redraw); } //--- Set the flag for drawing the Evening Star pattern with dots void SeriesSetDrawingAsDotsPatternEveningStar(const string symbol,const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw=false) { this.m_time_series.SetDrawingAsDotsPatternEveningStar(CorrectSymbol(symbol),CorrectTimeframe(timeframe),flag,redraw); } //--- Set the flag for drawing the Evening Doji Star pattern with dots void SeriesSetDrawingAsDotsPatternEveningDojiStar(const string symbol,const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw=false) { this.m_time_series.SetDrawingAsDotsPatternEveningDojiStar(CorrectSymbol(symbol),CorrectTimeframe(timeframe),flag,redraw); } //--- Set the flag for drawing the Three Stars pattern with dots void SeriesSetDrawingAsDotsPatternThreeStars(const string symbol,const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw=false) { this.m_time_series.SetDrawingAsDotsPatternThreeStars(CorrectSymbol(symbol),CorrectTimeframe(timeframe),flag,redraw); } //--- Set the flag for drawing the Abandoned Baby pattern with dots void SeriesSetDrawingAsDotsPatternAbandonedBaby(const string symbol,const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw=false) { this.m_time_series.SetDrawingAsDotsPatternAbandonedBaby(CorrectSymbol(symbol),CorrectTimeframe(timeframe),flag,redraw); } //--- Set the flag for drawing the Pivot Point Reversal pattern with dots //--- Price Action void SeriesSetDrawingAsDotsPatternPivotPointReversal(const string symbol,const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw=false) { this.m_time_series.SetDrawingAsDotsPatternPivotPointReversal(CorrectSymbol(symbol),CorrectTimeframe(timeframe),flag,redraw); } //--- Set the flag for drawing the Outside Bar pattern with dots void SeriesSetDrawingAsDotsPatternOutsideBar(const string symbol,const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw=false) { this.m_time_series.SetDrawingAsDotsPatternOutsideBar(CorrectSymbol(symbol),CorrectTimeframe(timeframe),flag,redraw); } //--- Set the flag for drawing the Inside Bar pattern with dots void SeriesSetDrawingAsDotsPatternInsideBar(const string symbol,const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw=false) { this.m_time_series.SetDrawingAsDotsPatternInsideBar(CorrectSymbol(symbol),CorrectTimeframe(timeframe),flag,redraw); } //--- Set the flag for drawing the Pin Bar pattern with dots void SeriesSetDrawingAsDotsPatternPinBar(const string symbol,const ENUM_TIMEFRAMES timeframe, const bool flag,const bool redraw=false, // Flag of drawing with dots and Pin Bar Price Action redraw flag const double ratio_body=30, // Percentage ratio of the candle body to the full size of the candle const double ratio_larger_shadow=60, // Percentage ratio of the size of the larger shadow to the size of the candle const double ratio_smaller_shadow=30) // Percentage ratio of the size of the smaller shadow to the size of the candle { this.m_time_series.SetDrawingAsDotsPatternPinBar(CorrectSymbol(symbol),CorrectTimeframe(timeframe),flag,redraw,ratio_body,ratio_larger_shadow,ratio_smaller_shadow); } //--- Set the flag for drawing the Rails pattern with dots void SeriesSetDrawingAsDotsPatternRails(const string symbol,const ENUM_TIMEFRAMES timeframe,const bool flag,const bool redraw=false) { this.m_time_series.SetDrawingAsDotsPatternRails(CorrectSymbol(symbol),CorrectTimeframe(timeframe),flag,redraw); } //--- Draw Harami pattern labels on the chart void SeriesDrawPatternHarami(const string symbol,const ENUM_TIMEFRAMES timeframe,const bool redraw=false) { this.m_time_series.DrawPatternHarami(CorrectSymbol(symbol),CorrectTimeframe(timeframe),redraw); }
Los métodos llaman a los métodos correspondientes de la clase de colección de series temporales que hemos escrito antes.
En la misma sección escribimos un método que oculte los paneles de información de todos los patrones salvo aquellos que se encuentran en la hora de la barra especificada:
//--- Hides info panels of all patterns except the specified one void SeriesPatternHideAllInfoPanelsExceptOne(const ulong pattern_code,const bool redraw=false) { CArrayObj *list=CSelect::ByPatternProperty(this.GetListAllPatterns(),PATTERN_PROP_CODE,pattern_code,NO_EQUAL); if(list==NULL) return; for(int i=list.Total()-1;i>=0;i--) { CPattern *obj=list.At(i); if(obj!=NULL) obj.HideInfoPanel(); } if(redraw) ::ChartRedraw(); } //--- Hide info panels of all patterns except those at the specified time of the bar void SeriesPatternHideAllInfoPanelsExceptBarTime(const datetime bar_time,const bool redraw=false) { CArrayObj *list=CSelect::ByPatternProperty(this.GetListAllPatterns(),PATTERN_PROP_TIME,bar_time,NO_EQUAL); if(list==NULL) return; for(int i=list.Total()-1;i>=0;i--) { CPattern *obj=list.At(i); if(obj!=NULL) obj.HideInfoPanel(); } if(redraw) ::ChartRedraw(); }
Aquí, obtenemos de la lista de todos los patrones una lista con solo aquellos patrones que no se encuentran en la barra con la hora de apertura especificada. Y luego en un ciclo a través de la lista obtenida obtenemos el puntero a cada siguiente objeto de patrón y ocultamos su panel de información. Al final del ciclo, si la bandera de redibujado está activada, redibujaremos el gráfico.
En el método que transmite a la clase comercial y a la clase de colección de búferes de indicador los punteros a todas las colecciones necesarias, añadimos la transmisión (a la colección de series temporales) del puntero a la colección de gráficos:
//--- Play a sound by its description bool PlaySoundByDescription(const string sound_description); //--- Pass the pointers to all the necessary collections to the trading class and the indicator buffer collection class void CollectionOnInit(void) { this.m_trading.OnInit(this.GetAccountCurrent(),this.m_symbols.GetObject(),this.m_market.GetObject(),this.m_history.GetObject(),this.m_events.GetObject()); this.m_buffers.OnInit(this.m_time_series.GetObject(),this.m_indicators.GetObject()); this.m_time_series.OnInit(this.GetChartObjCollection()); } //--- Set the spread multiplier for symbol trading objects in the symbol collection void SetSpreadMultiplier(const uint value=1,const string symbol=NULL) { this.m_trading.SetSpreadMultiplier(value,symbol); }
En el manejador de eventos de la biblioteca DoEasy, creamos un esbozo para el procesamiento de los eventos de la colección de gráficos:
//--- Handling market watch window events else if(idx>MARKET_WATCH_EVENT_NO_EVENT && idx<SYMBOL_EVENTS_NEXT_CODE) { //--- Market Watch window event string descr=this.GetMWEventDescription((ENUM_MW_EVENT)idx); string name=(idx==MARKET_WATCH_EVENT_SYMBOL_SORT ? "" : ": "+sparam); Print(TimeMSCtoString(lparam)," ",descr,name); } //--- Handle chart events else if(idx>CHART_OBJ_EVENT_NO_EVENT && idx<CHART_OBJ_EVENTS_NEXT_CODE) { } //--- Handling timeseries events else if(idx>SERIES_EVENTS_NO_EVENT && idx<SERIES_EVENTS_NEXT_CODE) {
Más adelante escribiremos aquí manejadores para cambiar el tamaño de los gráficos y transmitir nuevos valores a la colección de series temporales y de ella a los objetos de patrón.
Ahora todo está listo para probar lo que hemos preparado.Simulación
Para la prueba, tomaremos el asesor del artículo anterior y lo guardaremos en la nueva carpeta \MQL5\Experts\TestDoEasy\Part135\ con el nuevo nombre TestDoEasy135.mq5
En la lista de variables de entrada, añadiremos una variable que establezca la bandera para dibujar patrones con puntos:
//--- input variables input ushort InpMagic = 123; // Magic number input double InpLots = 0.1; // Lots input uint InpStopLoss = 150; // StopLoss in points input uint InpTakeProfit = 150; // TakeProfit in points input uint InpDistance = 50; // Pending orders distance (points) input uint InpDistanceSL = 50; // StopLimit orders distance (points) input uint InpDistancePReq = 50; // Distance for Pending Request's activate (points) input uint InpBarsDelayPReq = 5; // Bars delay for Pending Request's activate (current timeframe) input uint InpSlippage = 5; // Slippage in points input uint InpSpreadMultiplier = 1; // Spread multiplier for adjusting stop-orders by StopLevel input uchar InpTotalAttempts = 5; // Number of trading attempts sinput double InpWithdrawal = 10; // Withdrawal funds (in tester) sinput uint InpButtShiftX = 0; // Buttons X shift sinput uint InpButtShiftY = 10; // Buttons Y shift input uint InpTrailingStop = 50; // Trailing Stop (points) input uint InpTrailingStep = 20; // Trailing Step (points) input uint InpTrailingStart = 0; // Trailing Start (points) input uint InpStopLossModify = 20; // StopLoss for modification (points) input uint InpTakeProfitModify = 60; // TakeProfit for modification (points) sinput ENUM_SYMBOLS_MODE InpModeUsedSymbols = SYMBOLS_MODE_CURRENT; // Mode of used symbols list sinput string InpUsedSymbols = "EURUSD,AUDUSD,EURAUD,EURCAD,EURGBP,EURJPY,EURUSD,GBPUSD,NZDUSD,USDCAD,USDJPY"; // List of used symbols (comma - separator) sinput ENUM_TIMEFRAMES_MODE InpModeUsedTFs = TIMEFRAMES_MODE_CURRENT; // Mode of used timeframes list sinput string InpUsedTFs = "M1,M5,M15,M30,H1,H4,D1,W1,MN1"; // List of used timeframes (comma - separator) sinput double InpPinBarRatioBody = 30.0; // Pin Bar Ratio Body to Candle size sinput double InpPinBarRatioLarger = 60.0; // Pin Bar Ratio Larger shadow to Candle size sinput double InpPinBarRatioSmaller= 30.0; // Pin Bar Ratio Smaller shadow to Candle size sinput bool InpDrawPatternsAsDots= true; // Draw Patterns as dots sinput ENUM_INPUT_YES_NO InpUseBook = INPUT_NO; // Use Depth of Market sinput ENUM_INPUT_YES_NO InpUseMqlSignals = INPUT_NO; // Use signal service sinput ENUM_INPUT_YES_NO InpUseCharts = INPUT_NO; // Use Charts control sinput ENUM_INPUT_YES_NO InpUseSounds = INPUT_YES; // Use sounds //--- global variables
Si es igual a true, todos los patrones encontrados se dibujarán como puntos en el gráfico. Si es igual a false, los patrones de la "Barra Interior" serán dibujados por objetos Bitmap, las barras del patrón serán rodeadas por rectángulos coloreados.
En el manejador OnInit() del asesor, ajustaremos la búsqueda y representación de patrones:
//--- Clear the list of all patterns engine.GetListAllPatterns().Clear(); //--- Set the flag of using the Pin Bar pattern with the parameters specified in the settings engine.SeriesSetUsedPatternPinBar(NULL,PERIOD_CURRENT,true,InpPinBarRatioBody,InpPinBarRatioLarger,InpPinBarRatioSmaller); //--- Set the flag of using the Inside Bar pattern engine.SeriesSetUsedPatternInsideBar(NULL,PERIOD_CURRENT,true); //--- Set the flag for drawing the Inside Bar as dots from the inputs engine.SeriesSetDrawingAsDotsPatternInsideBar(NULL,PERIOD_CURRENT,InpDrawPatternsAsDots); //--- Display the Pin Bar pattern icons with the parameters, specified in the settings, on the chart engine.SeriesDrawPatternPinBar(NULL,PERIOD_CURRENT,InpPinBarRatioBody,InpPinBarRatioLarger,InpPinBarRatioSmaller); //--- Display the Inside Bar pattern icons on the chart engine.SeriesDrawPatternInsideBar(NULL,PERIOD_CURRENT,true); //--- return(INIT_SUCCEEDED); }
En el manejador OnChartEvent() del asesor, escribiremos este bloque de código para mostrar los paneles de información del patrón:
//--- Check ChartXYToTimePrice() if(id==CHARTEVENT_MOUSE_MOVE) { //--- Get the chart object of the current (main) program chart CChartObj *chart=engine.ChartGetMainChart(); if(chart==NULL) return; //--- Get the index of a subwindow the cursor is located at int wnd_num=chart.XYToTimePrice(lparam,dparam); if(wnd_num==WRONG_VALUE) return; //--- Get the calculated cursor location time and price datetime time=chart.TimeFromXY(); double price=chart.PriceFromXY(); //--- Get the window object of the chart the cursor is located in by the subwindow index CChartWnd *wnd=chart.GetWindowByNum(wnd_num); if(wnd==NULL) return; //--- If X and Y coordinates are calculated by time and price (make a reverse conversion), if(wnd.TimePriceToXY(time,price)) { //--- in the comment, show the time, price and index of the window that are calculated by X and Y cursor coordinates, //--- as well as the cursor X and Y coordinates converted back from the time and price //Comment // ( // DFUN,"time: ",TimeToString(time),", price: ",DoubleToString(price,Digits()), // ", win num: ",(string)wnd_num,": x: ",(string)wnd.XFromTimePrice(), // ", y: ",(string)wnd.YFromTimePrice()," (",(string)wnd.YFromTimePriceRelative(),")" // ); //--- Get the bar open time on the chart using the cursor time datetime bar_time=GetStartTimeOfBarFast(PERIOD_CURRENT,time); //--- Get the pointer to the bar whose opening time was obtained CBar *bar=engine.SeriesGetBar(Symbol(),PERIOD_CURRENT,bar_time); if(bar!=NULL && price>=bar.Low() && price<=bar.High()) { //--- From the bar object, get the list of patterns found in it into the 'array' ulong array[]={}; int total=bar.GetPatternsList(array); //--- If patterns are found on the bar, if(total>0) { //--- display descriptions of all patterns found on the bar in the journal bar.PatternTypeDescriptionPrint(true); //--- In the loop based on the number of patterns found on the bar, for(int i=0;i<(int)array.Size();i++) { //--- get the type of the next pattern from the 'array', as well as the pointer to it ENUM_PATTERN_TYPE type=(ENUM_PATTERN_TYPE)array[i]; CPattern *pattern=engine.GetPattern(Symbol(),PERIOD_CURRENT,bar_time,type); //--- Print a short description of the pattern in the journal if(pattern==NULL) continue; pattern.PrintShort(true); //pattern.Print(false,true); //--- Get the chart coordinates where you want to display the information panel int x=wnd.XFromTimePrice(); int y=wnd.YFromTimePrice(); //--- Hide all panels except those belonging to patterns found on the bar under the cursor engine.SeriesPatternHideAllInfoPanelsExceptBarTime(bar_time); //--- calculate the Y coordinate of the information panel from the loop index static int shift=0; int cy=y+shift*i; //--- Display the information panel on the chart pattern.ShowInfoPanel(x,cy); CForm *form=pattern.GetForm(); //--- If the pointer to the panel is received, calculate the size of the Y coordinate offset (panel height + 1) if(form!=NULL) shift=form.Height()+1; } } } } }
La lógica del código se ha descrito en los comentarios. Necesitamos obtener la hora de apertura de la barra sobre la que se halla el cursor del ratón. Según la hora de apertura, obtenemos el objeto de barra, y de este "sacamos" la lista de patrones que se encuentran en él.
A continuación, simplemente mostramos en la pantalla los paneles informativos de cada patrón encontrado.
Vamos a compilar el asesor y a ejecutarlo en el gráfico:
Como se puede ver todo funciona como se ha anunciado. El dibujado de patrones como dibujos muestra algunos retrasos. Nos ocuparemos de ello más tarde.
Alrededor del centro de la pantalla vemos un patrón anidado. Cuando se mueve el cursor y aparece el panel de información, se muestra el número total de barras incluidas en la cadena de patrones.
En la parte derecha de la pantalla, se forman dos patrones en una barra: "Pin Bar" y "Barra interior", y los paneles de información de ambos patrones se muestran uno encima del otro.
¿Qué es lo próximo?
En el próximo artículo, continuaremos desarrollando más patrones de series temporales.
Todos los archivos creados se adjuntan al artículo y pueden descargarse para que el lector aprenda y realice pruebas por sí mismo.
Traducción del ruso hecha por MetaQuotes Ltd.
Artículo original: https://www.mql5.com/ru/articles/14479
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