EasyAndFastMod/Controls/Picture.mqh

<EFBFBD><EFBFBD>//+------------------------------------------------------------------+
//|                                                      Picture.mqh |
//|                        Copyright 2016, MetaQuotes Software Corp. |
//|                                              http://www.mql5.com |
//+------------------------------------------------------------------+
#include "..\Element.mqh"
//+------------------------------------------------------------------+
//| ;0AA 4;O A>740=8O :0@B8=:8                                      |
//+------------------------------------------------------------------+
class CPicture : public CElement
  {
public:
                     CPicture(void);
                    ~CPicture(void);
   //--- 5B>4K 4;O A>740=8O :0@B8=:8
   bool              CreatePicture(const int x_gap,const int y_gap);
   //---
private:
   void              InitializeProperties(const int x_gap,const int y_gap);
   bool              CreateCanvas(void);
   //---
public:
   //---  8AC5B M;5<5=B
   virtual void      Draw(void);
  };
//+------------------------------------------------------------------+
//| Constructor                                                      |
//+------------------------------------------------------------------+
CPicture::CPicture(void)

  {
//--- !>E@0=8< 8<O :;0AA0 M;5<5=B0 2 107>2>< :;0AA5
   CElementBase::ClassName(CLASS_NAME);
  }
//+------------------------------------------------------------------+
//| Destructor                                                       |
//+------------------------------------------------------------------+
CPicture::~CPicture(void)
  {
  }
//+------------------------------------------------------------------+
//| !>740QB M;5<5=B "0@B8=:0"                                       |
//+------------------------------------------------------------------+
bool CPicture::CreatePicture(const int x_gap,const int y_gap)
  {
//--- K9B8, 5A;8 =5B C:070B5;O =0 3;02=K9 M;5<5=B
   if(!CElement::CheckMainPointer())
      return(false);
//--- =8F80;870F8O A2>9AB2
   InitializeProperties(x_gap,y_gap);
//--- !>740=85 M;5<5=B0
   if(!CreateCanvas())
      return(false);
//---
   return(true);
  }
//+------------------------------------------------------------------+
//| =8F80;870F8O A2>9AB2                                            |
//+------------------------------------------------------------------+
void CPicture::InitializeProperties(const int x_gap,const int y_gap)
  {
   m_x      =CElement::CalculateX(x_gap);
   m_y      =CElement::CalculateY(y_gap);
   m_x_size =(m_x_size<1)? 16 : m_x_size;
   m_y_size =(m_y_size<1)? 16 : m_y_size;
//--- !2>9AB20 ?> C<>;G0=8N
   m_back_color =(m_back_color!=clrNONE)? m_back_color : m_main.BackColor();
//--- BABC?K >B :@09=59 B>G:8
   CElementBase::XGap(x_gap);
   CElementBase::YGap(y_gap);
  }
//+------------------------------------------------------------------+
//| !>740QB >1J5:B 4;O @8A>20=8O                                     |
//+------------------------------------------------------------------+
bool CPicture::CreateCanvas(void)
  {
//--- $>@<8@>20=85 8<5=8 >1J5:B0
   string name=CElementBase::ElementName("icon");
//--- !>740=85 >1J5:B0
   if(!CElement::CreateCanvas(name,m_x,m_y,m_x_size,m_y_size))
      return(false);
//---
   return(true);
  }
//+------------------------------------------------------------------+
//|  8AC5B M;5<5=B                                                   |
//+------------------------------------------------------------------+
void CPicture::Draw(void)
  {
//--- 0@8A>20BL D>=
   CElement::DrawBackground();
//--- 0@8A>20BL :0@B8=:C
   CElement::DrawImage();
  }
//+------------------------------------------------------------------+