int StoreImage (
RECT *recp,
u_long *p
)
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Arguments
| recp |
Pointer to the source rectangular area in the frame buffer |
| p |
Pointer to the upper left-hand corner of the destination rectangular
area in main memory |
Return Value
The slot number of the GPU’s draw/command queue where the command resides
is returned.
Explanation
Data from the rectangular area pointed to by recp is transferred
to the destination rectangular area in main memory pointed to by p.
Notes
StoreImage() 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. The transfer area must be located within a drawable area:
(0,0) - (1023,511).
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