GetBitmapSys
Copy a block of video memory to a location in system memory.
Declaration
void NAPI GA_2DRenderFuncs::GetBitmapSys(
void *dstAddr,
N_int32 dstPitch,
N_int32 srcLeft,
N_int32 srcTop,
N_int32 width,
N_int32 height,
N_int32 dstLeft,
N_int32 dstTop,
N_int32 mix)
Prototype In
snap/graphics.h
Parameters
dstAddr |
Address of destination bitmap in system memory |
dstPitch |
Pitch of destination bitmap in bytes |
srcLeft |
Left coordinate within source bitmap to copy |
srcTop |
Top coordinate within source bitmap to copy |
width |
Width of the rectangle in pixels |
height |
Height of the rectangle in scanlines |
dstLeft |
Left coordinate of destination |
dstTop |
Top coordinate of destination |
mix |
Mix code for the copy (GA_mixCodesType) |
Description
This routine will copy a bitmap from video memory to system memory with a starting address of dstAddr from the source rectangle (srcLeft, srcTop, srcLeft+width-1, srcTop+height-1).
See Also
BitBlt, WaitTillIdle, GetBitmapBM
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