int ClearImage (
RECT* recp,
u_char r,
u_char g,
u_char b
)
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Arguments
| recp |
Pointer to the rectangular area to be cleared in the frame buffer |
| r,g,b |
Pixel value to be used for clearing |
Return Value
The slot number of the GPU's draw command queue where the command resides
is returned.
Explanation
The rectangular area of the frame buffer specified by recp is cleared
with the pixel value specified by (r,g,b).
Notes
This is a non-blocking function, therefore DrawSync()
must be used to determine the completion of transfer. The transfer is not
affected by clipping or offsetting that may be in effect for the drawing
environment.
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