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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