Power Color Picker

Features :

This new control derived from CWnd provides an interface for users to select colors for an object. It is more intuitive than CColorDialog in windows API.

Interface description :

• right rectangle : luminance.
• left rectangle : saturation on x axis, hue on y axis.
• bottom rectangle : currently selected color.
  

This control is fully resizable on the fly. You could specify a size for each rectangle.
When you move the cursor with shift or ctrl, the color change only on one axis (hue or saturation)

 

How to use it in a dialog :

• a member variable must be added to the dialog :

  ...
  
  protected:
  	PowerColorPicker picker;
  
  ...

  
  
• create the picker in the method OnInitDialog() of your dialog :

...

//specify the control size
RECT rect={10,10,390,300}; 

//create control in OnInitDialog()
 picker.Create(NULL,"Haha",WS_CHILD | WS_VISIBLE | WS_CLIPSIBLINGS ,rect,this, NULL, NULL);

... 

• define a callback when the user click/move on picker :

  
  
  //define a callback 
  void testfunc(COLORREF ref,void *ClientData)
  {
  	CColorPickerDlg * local= (CColorPickerDlg*)ClientData;
  	
  	char str[256];
  	sprintf(str,"RED: %ld\nGREEN: %ld\nBLUE: %ld",GetRValue(ref),GetGValue(ref),GetBValue(ref));
  
  	OutputDebugString(str);
  
  }
  
  
  ...
  
  //register callbacks in OnInitDialog()
   
  picker.RegisterCallbackOnMove(testfunc,this); 
  picker.RegisterCallbackOnLButtonDown(testfunc,this); 
  
  ...

• you could define the width of the luminance bar anywhere in your source :

  ...
  
  
  picker.SetLuminanceBarWidth(20); 
  
  ...

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