GrapichsByLeo/Histogram/Barra/Defines.mqh

//+------------------------------------------------------------------+
//|                                                      Defines.mqh |
//|                                  Copyright 2025, Niquel Mendoza. |
//|                     https://www.mql5.com/es/users/nique_372/news |
//+------------------------------------------------------------------+
#property copyright "Copyright 2025, Niquel Mendoza."
#property link      "https://www.mql5.com/es/users/nique_372/news"
#property strict

#ifndef HISTOGRAM_BARRA_DEFINES_BY_LEO_MQH
#define HISTOGRAM_BARRA_DEFINES_BY_LEO_MQH

//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
#include "..\\..\\General\\Canvas.mqh"
#include <Utils\\Funciones Array.mqh>
#include "..\\..\\..\\MQLArticles\\Utils\\FA\\Sort.mqh"

//+------------------------------------------------------------------+
//| Tipo de histograma                                               |
//+------------------------------------------------------------------+
enum ENUM_HISTOGAM_TYPE
 {
  HISTOGRAM_HORIZONTAL = 0,
  HISTOGRAM_VERTICAL = 1
 };



//+------------------------------------------------------------------+
//| Calculo de la posicion del texto                                 |
//+------------------------------------------------------------------+
typedef void(*HistogramFuncionCalculateText)(int x1, int y1, int x2, int y2, int& xtext, int& ytext);


//+------------------------------------------------------------------+
//| Conversion de valor a pixel                                      |
//+------------------------------------------------------------------+
typedef int(*HistogramFuncionCalculatePixel)(const double value, double value_corte, double factor_pos, double factor_neg);

namespace HistogramFunctions
{
//+------------------------------------------------------------------+
__forceinline int ValueToPixelComplete(const double value, double value_corte, double factor_pos, double factor_neg)
 {
  return int((value - value_corte) * factor_pos); // se usa el positivo OJO
 }

//+------------------------------------------------------------------+
__forceinline int ValueToPixelCorte(const double value, double value_corte, double factor_pos, double factor_neg)
 {
// Si es mayor a factor_pos retornanra un valor posiitivo de lo contrairo negativo
  return int((value - value_corte) * (value >= value_corte ? factor_pos : factor_neg));
 }
}


//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
typedef bool(*CHistogramConjuntoFuncSort)(MqlParam &params[], double value1, double value2);
namespace HistogramFuncionCompare
{
__forceinline bool HistValueIsMayor(MqlParam &params[], double value1, double value2)
 {
  return value1 > value2;
 }
}

//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
typedef void(*HistFunctionDrawRect)(CCanvasCustom* canvas, int x1, int y1, int x2, int y2, uint clr);

namespace HistConjuntoDrawRectFunctions
{
__forceinline void HistDrawRectFill(CCanvasCustom* canvas, int x1, int y1, int x2, int y2, uint clr)
 {
  canvas.FillRectangle(x1, y1, x2, y2, clr);
 }
__forceinline void HistDrawRectNoFill(CCanvasCustom* canvas, int x1, int y1, int x2, int y2, uint clr)
 {
  canvas.Rectangle(x1, y1, x2, y2, clr);
 }
}

enum ENUM_HIST_DRAW_RECT_STYLE
 {
  HIST_DRAW_RECT_NO_FILL = 0,
  HIST_DRAW_RECT_FILL = 1
 };
 
//+------------------------------------------------------------------+
//| Macros                                                           |
//+------------------------------------------------------------------+
// Calculo del ancho unico         (tamaño de barra unico total) - (total_iicl  se le resta los espacois) / numero d ebarras
#define  HISTOGRAM_CONJ_RECALCULE   m_barras_ancho_unico = (m_barras_ancho_total - (m_barras_size - 1)) / m_barras_size;

// Caclulo de valor a pixel 
#define  HISTOGRAM_CONJ_VALUE_TO_PIXEL(value) m_function_calc_pixel(value, m_fcort, m_fpos, m_fneg) 

//--- Activar el autoresize del fontsize para los conjuntos
#define HISTOGRAM_CONJ_ACTIVAR_AUTO_RESIZE

//+------------------------------------------------------------------+
//| Estrcutra base para una barra de histograma                      |
//+------------------------------------------------------------------+
struct HistogramBar
 {
  double             value;
  int                x1;
  int                y1;
  int                x2;
  int                y2;
  uint               clr;

  //---
                     HistogramBar()
    :                x1(0), x2(0), y1(0), y2(0), value(0.00), clr(clrBlack)
   {

   }

                     HistogramBar(int _x1, int _y1, int _x2, int _y2, double v, uint c)
    :                x1(_x1), x2(_x2), y1(_y1), y2(_y2), value(v), clr(c)
   {

   }
 };

//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
//--- Titulo
/*
struct HistogramTituloLabel
 {
  string             value;
  string             font;
  int                x;
  int                y;
  uint               clr;
  int                font_size;
  ENUM_HISTOGRAM_TITULO_POSICION position;
  uint               alingement;
  int                height;
 };*/
//+------------------------------------------------------------------+
#endif