GrapichsByLeo/General/TextoCanvas.mqh

<EFBFBD><EFBFBD>//+------------------------------------------------------------------+
//|                                                 TituloSimpel.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 GENERAL_TEXTO_CANVAS_BY_LEO_MQH
#define GENERAL_TEXTO_CANVAS_BY_LEO_MQH


#include "..\\General\\Canvas.mqh"

//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
class CTextCanvas
 {
protected:
  CCanvasCustom*     m_canvas;      // Canvas
  bool               m_init;        // Iniciado?
  uint               m_clr;         // Color
  string             m_text;        // Texto
  string             m_font;        // Fuente
  int                m_font_size;   // Tama<EFBFBD>o de fuente
  uint               m_alingement;  // Bandera de alineaci<EFBFBD>n
  uint               m_posicion;    // <EFBFBD>ngulo
  uint               m_flags_text;  // Banderas de texto
  int                m_x;           // X
  int                m_y;           // Y
  uint               m_clr_clean; // Color de limpieza

public:
                     CTextCanvas();

  //--- Creaci<EFBFBD>n
  void               Create(CCanvasCustom *c, int x, int y, const string& txt
                            , uint clr, uint align, int fontsize = 0, string font = NULL, uint flagtext = UINT_MAX, uint textpos = UINT_MAX);

  //--- Update (solo pixeles)
  void               UpdateTextPx();

  //--- Limpia el texto
  void               CleanText();

  //--- Setea la fuente
  void               SetFont(); // Gloabal (canvas no ve los cambios)
  void               SetFontInCanvas(); // Canvas (varialbes internas + global)

  //--- Setters y Getters
  //- Color de limpieza
  __forceinline uint CleanColor() const { return m_clr_clean; }
  void               CleanColor(uint new_value) { m_clr_clean = new_value; }

  //- X
  __forceinline int  X() const { return m_x; }
  void               X(int new_value);
  inline void        XSetValue(int new_value) { m_x = new_value; }
  __forceinline void XSetFast(int new_value);

  //- Y
  __forceinline int  Y() const { return m_y; }
  void               Y(int new_value);
  inline void        YSetValue(int new_value) { m_y = new_value; }
  __forceinline void YSetFast(int new_value);

  //-
  void               ChangeYAndX(int x, int y);
  __forceinline void ChangeYAndXFast(int x, int y);

  //- Font
  __forceinline string Font() const { return m_font; }
  void                 Font(const string& new_value);
  inline void          FontSetValue(const string& new_value) { m_font = new_value; }
  void                 FontSetFast(const string& new_value);

  //- Font Size
  __forceinline int  FontSize() const { return m_font_size; }
  void               FontSize(int new_value);
  inline void        FontSizeSetValue(int new_value) { m_font_size = new_value;}
  __forceinline void FontSizeSetFast(int new_value);


  //- Alineamiento
  __forceinline uint TextAlingement() const { return m_alingement; }
  void               TextAlingement(uint new_value);
  inline void        TextAlingementSetValue(uint new_value) { m_alingement = new_value; }
  __forceinline void TextAlingementSetFast(uint new_value);

  //- Flags text
  __forceinline uint TextFlags() const { return m_flags_text; }
  void               TextFlags(uint new_value);
  inline void        TextFlagsSetValue(uint new_value) { m_flags_text = new_value;}
  __forceinline void TextFlagsSetFast(uint new_value);

  //- Color
  __forceinline uint    Color() const { return m_clr; }
  void                  Color(uint new_value);
  inline  void          ColorSetValue(uint new_value) { m_clr = new_value; }
  __forceinline void    ColorSetFast(uint new_value);

  //- Texto
  __forceinline string Text() const { return m_text; }
  void                 Text(const string& new_value);
  inline void          TextSetValue(const string& new_value) { m_text = new_value; }
  void                 TextSetFast(const string& new_value);

  //- Posici<EFBFBD>n (<EFBFBD>ngulo)
  __forceinline uint    TextPosition() const { return m_posicion; }
  void                  TextPosition(uint new_value);
  inline void           TextPositionSetValue(uint new_value) { m_posicion = new_value; }
  __forceinline void    TextPositionSetFast(uint new_value);



  //- Init
  __forceinline bool    IsInit() const { return m_init; }
 };

//+------------------------------------------------------------------+
//| Constructor                                                      |
//+------------------------------------------------------------------+
CTextCanvas::CTextCanvas(void)
  : m_canvas(NULL), m_init(false)/*, m_clr(0xFFFFFFFF), m_text(""),
    m_font("Arial"), m_font_size(10), m_alingement(0), m_posicion(0),
    m_flags_text(0), m_x(0), m_y(0), m_clr_clean(0xFFFFFFFF)*/
 {
 }


//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
// Notas:
// Si al menos uno de los 4 parametros pro defecto es valido, entoces se setera el font
// Al momenot de setear los valores "Font" los valores si el valor corespondinete es valido, entonces se usara dicho valor, de lo contrario el valor ultimo de canvas
// Por esto mismo se recoeminda al usuario usar el .FontSet de canvas... de lo contraio se guradan valores invalidos
// Ls valores invalidos que vinene por defecto dan la opcion al usuario a usar el ultimo font conocido de canvas

//+------------------------------------------------------------------+
void CTextCanvas::Create(CCanvasCustom *c, int x, int y, const string& txt
                         , uint clr, uint align, int fontsize = 0, string font = NULL, uint flagtext = UINT_MAX, uint textpos = UINT_MAX)
 {
  if(m_init)
    return;

//---
  const bool valid_font = font != NULL;
  const bool valid_font_size = fontsize > 0;
  const bool valid_flags_text = flagtext < UINT_MAX;
  const bool valid_text_pos = textpos < UINT_MAX;
  const bool set_font = (valid_flags_text || valid_font || valid_font_size || valid_text_pos);

//---
  m_canvas = c;
  m_x = x;
  m_y = y;
  m_text = txt;
  m_alingement = align;
  m_clr = clr;
  m_init = true;

//---
  m_font_size =  valid_font_size  ? fontsize  : c.FontSizeGet();
  m_font =       valid_font       ? font      : c.FontNameGet();
  m_posicion =   valid_text_pos   ? textpos   : c.FontAngleGet();
  m_flags_text = valid_flags_text ? flagtext  : c.FontFlagsGet();

//--- Dibujar texto inicial
  if(set_font)
    ::TextSetFont(m_font, m_font_size, m_flags_text, m_posicion);

  m_canvas.TextOuTF(m_x, m_y, m_text, m_clr, m_alingement);
 }


//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
void CTextCanvas::UpdateTextPx(void)
 {
  ::TextSetFont(m_font, m_font_size, m_flags_text, m_posicion);
  m_canvas.TextOuTF(m_x, m_y, m_text, m_clr, m_alingement);
 }

//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
void CTextCanvas::CleanText()
 {
  ::TextSetFont(m_font, m_font_size, m_flags_text, m_posicion);
  m_canvas.TextOuTF(m_x, m_y, m_text, m_clr_clean, m_alingement);
 }

//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
void CTextCanvas::SetFont(void)
 {
  ::TextSetFont(m_font, m_font_size, m_flags_text, m_posicion);
 }

//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
void CTextCanvas::SetFontInCanvas(void)
 {
  m_canvas.FontSet(m_font, m_font_size, m_flags_text, m_posicion);
 }

//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
void CTextCanvas::X(int new_value)
 {
//--- Limpiar texto en posici<EFBFBD>n anterior
  ::TextSetFont(m_font, m_font_size, m_flags_text, m_posicion);
  m_canvas.TextOuTF(m_x, m_y, m_text, m_clr_clean, m_alingement);

//--- Actualizar y redibujar
  m_x = new_value;
  m_canvas.TextOuTF(m_x, m_y, m_text, m_clr, m_alingement);
 }

//+------------------------------------------------------------------+
__forceinline void CTextCanvas::XSetFast(int new_value)
 {
// Limpiamos el texto anteior, asumirmo que el fontse se puso al valor adecuado
  m_canvas.TextOuTF(m_x, m_y, m_text, m_clr_clean, m_alingement);
  m_canvas.TextOuTF((m_x = new_value), m_y, m_text, m_clr, m_alingement);
 }

//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
void CTextCanvas::Y(int new_value)
 {
//--- Limpiar texto en posici<EFBFBD>n anterior
  ::TextSetFont(m_font, m_font_size, m_flags_text, m_posicion);
  m_canvas.TextOuTF(m_x, m_y, m_text, m_clr_clean, m_alingement);

//--- Actualizar y redibujar
  m_y = new_value;
  m_canvas.TextOuTF(m_x, m_y, m_text, m_clr, m_alingement);
 }

//+------------------------------------------------------------------+
__forceinline void CTextCanvas::YSetFast(int new_value)
 {
// Limpiamos el texto anteior, asumirmo que el fontse se puso al valor adecuado
  m_canvas.TextOuTF(m_x, m_y, m_text, m_clr_clean, m_alingement);
  m_canvas.TextOuTF(m_x, (m_y = new_value), m_text, m_clr, m_alingement); // Nuevo valor
 }

//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
void CTextCanvas::ChangeYAndX(int x, int y)
 {
  ::TextSetFont(m_font, m_font_size, m_flags_text, m_posicion);
  m_canvas.TextOuTF(m_x, m_y, m_text, m_clr_clean, m_alingement);
  m_y = y;
  m_x = x;
  m_canvas.TextOuTF(m_x, m_y, m_text, m_clr, m_alingement);
 }

//+------------------------------------------------------------------+
__forceinline void CTextCanvas::ChangeYAndXFast(int x, int y)
 {
  m_canvas.TextOuTF(m_x, m_y, m_text, m_clr_clean, m_alingement);
  m_canvas.TextOuTF((m_x = x), (m_y = y), m_text, m_clr, m_alingement);
 }

//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
void CTextCanvas::Font(const string &new_value)
 {
//--- Limpiar con font anterior
  ::TextSetFont(m_font, m_font_size, m_flags_text, m_posicion);
  m_canvas.TextOuTF(m_x, m_y, m_text, m_clr_clean, m_alingement);

//--- Actualizar y redibujar con nuevo font
  m_font = new_value;
  ::TextSetFont(m_font, m_font_size, m_flags_text, m_posicion);
  m_canvas.TextOuTF(m_x, m_y, m_text, m_clr, m_alingement);
 }

//+------------------------------------------------------------------+
void CTextCanvas::FontSetFast(const string &new_value)
 {
  m_canvas.TextOuTF(m_x, m_y, m_text, m_clr_clean, m_alingement);
  m_font = new_value;
  ::TextSetFont(m_font, m_font_size, m_flags_text, m_posicion);
  m_canvas.TextOuTF(m_x, m_y, m_text, m_clr, m_alingement);
 }

//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
void CTextCanvas::FontSize(int new_value)
 {
//--- Limpiar con tama<EFBFBD>o anterior
  ::TextSetFont(m_font, m_font_size, m_flags_text, m_posicion);
  m_canvas.TextOuTF(m_x, m_y, m_text, m_clr_clean, m_alingement);

//--- Actualizar y redibujar con nuevo tama<EFBFBD>o
  m_font_size = new_value;
  ::TextSetFont(m_font, m_font_size, m_flags_text, m_posicion);
  m_canvas.TextOuTF(m_x, m_y, m_text, m_clr, m_alingement);
 }

//+------------------------------------------------------------------+
__forceinline void CTextCanvas::FontSizeSetFast(int new_value)
 {
  m_canvas.TextOuTF(m_x, m_y, m_text, m_clr_clean, m_alingement);
  ::TextSetFont(m_font, (m_font_size = new_value), m_flags_text, m_posicion);
  m_canvas.TextOuTF(m_x, m_y, m_text, m_clr, m_alingement);
 }

//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
void CTextCanvas::TextAlingement(uint new_value)
 {
//--- Limpiar con alineamiento anterior
  ::TextSetFont(m_font, m_font_size, m_flags_text, m_posicion);
  m_canvas.TextOuTF(m_x, m_y, m_text, m_clr_clean, m_alingement);

//--- Actualizar y redibujar con nuevo alineamiento
  m_alingement = new_value;
  m_canvas.TextOuTF(m_x, m_y, m_text, m_clr, m_alingement);
 }

//+------------------------------------------------------------------+
__forceinline void CTextCanvas::TextAlingementSetFast(uint new_value)
 {
  m_canvas.TextOuTF(m_x, m_y, m_text, m_clr_clean, m_alingement);
  m_canvas.TextOuTF(m_x, m_y, m_text, m_clr, (m_alingement = new_value));
 }

//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
void CTextCanvas::TextFlags(uint new_value)
 {
//--- Limpiar con flags anteriores
  ::TextSetFont(m_font, m_font_size, m_flags_text, m_posicion);
  m_canvas.TextOuTF(m_x, m_y, m_text, m_clr_clean, m_alingement);

//--- Actualizar y redibujar con nuevas flags
  m_flags_text = new_value;
  ::TextSetFont(m_font, m_font_size, m_flags_text, m_posicion);
  m_canvas.TextOuTF(m_x, m_y, m_text, m_clr, m_alingement);
 }

//+------------------------------------------------------------------+
__forceinline void CTextCanvas::TextFlagsSetFast(uint new_value)
 {
  m_canvas.TextOuTF(m_x, m_y, m_text, m_clr_clean, m_alingement);
  ::TextSetFont(m_font, m_font_size, (m_flags_text = new_value), m_posicion);
  m_canvas.TextOuTF(m_x, m_y, m_text, m_clr, m_alingement);
 }

//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
void CTextCanvas::Color(uint new_value)
 {
//--- Establecer el fontset correcto
  ::TextSetFont(m_font, m_font_size, m_flags_text, m_posicion);
  m_clr = new_value;
  m_canvas.TextOuTF(m_x, m_y, m_text, m_clr, m_alingement);
 }

//+------------------------------------------------------------------+
__forceinline void CTextCanvas::ColorSetFast(uint new_value)
 {
// Asumo que el  TextSetFont es el correcto
// Ademas solo se cambia el color (no posiocn ni tan<EFBFBD>ao, asi que no es necesito limpiar)
  m_canvas.TextOuTF(m_x, m_y, m_text, (m_clr = new_value), m_alingement);
 }

//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
void CTextCanvas::Text(const string &new_value)
 {
//--- Limpiar texto anterior
  ::TextSetFont(m_font, m_font_size, m_flags_text, m_posicion);
  m_canvas.TextOuTF(m_x, m_y, m_text, m_clr_clean, m_alingement);

//--- Actualizar y redibujar con nuevo texto
  m_text = new_value;
  m_canvas.TextOuTF(m_x, m_y, m_text, m_clr, m_alingement);
 }

//+------------------------------------------------------------------+
void CTextCanvas::TextSetFast(const string &new_value)
 {
  m_canvas.TextOuTF(m_x, m_y, m_text, m_clr_clean, m_alingement);
  m_text = new_value; // como es string mejor inline
  m_canvas.TextOuTF(m_x, m_y, m_text, m_clr, m_alingement);
 }

//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
void CTextCanvas::TextPosition(uint new_value)
 {
//--- Limpiar con <EFBFBD>ngulo anterior
  ::TextSetFont(m_font, m_font_size, m_flags_text, m_posicion);
  m_canvas.TextOuTF(m_x, m_y, m_text, m_clr_clean, m_alingement);

//--- Actualizar y redibujar con nuevo <EFBFBD>ngulo
  m_posicion = new_value;
  ::TextSetFont(m_font, m_font_size, m_flags_text, m_posicion);
  m_canvas.TextOuTF(m_x, m_y, m_text, m_clr, m_alingement);
 }

//+------------------------------------------------------------------+
__forceinline void CTextCanvas::TextPositionSetFast(uint new_value)
 {
  m_canvas.TextOuTF(m_x, m_y, m_text, m_clr_clean, m_alingement);
  ::TextSetFont(m_font, m_font_size, m_flags_text, (m_posicion = new_value));
  m_canvas.TextOuTF(m_x, m_y, m_text, m_clr, m_alingement);
 }

//+------------------------------------------------------------------+
#endif
//+------------------------------------------------------------------+