[Excerpt] Copy of brew's screen

Http://blog.csdn.net/chenmeimei_8899/archive/2010/06/02/5640357.aspx

1.First obtain the current device bitmap:

Idisplay_getdevicebitmap (idisplay * Po, ibitmap ** ppibitmap)

* PpibitmapIs the output device bitmap

2. Creates a bitmap in the same format as the device bitmap. Brew This is mainly about the color depth. The default value is 565 , The so-called 565 Yes RGB Items   The number of digits that the color value occupies.

Ibitmap_createcompatiblebitmap (ibitmap * Po, ibitmap ** ppibitmap, uint16 W, uint16 H)

3Copy the data from the device bitmap to the new bitmap.

 
Ibitmap_bltin (ibitmap * Po,
 

 
Int xdst,
 

Int ydst,
 

 
Int dx,
 

Int dy,
 

 
Ibitmap* Psrc,
 

Int xsrc,
 

 
Int ysrc,
 

AeerasteropROP)
 

 
The entire Screen Copy process is complete.