Perform 2d OR operation of rectangle with region, leaving result in region.
Source position: agraphics.pas line 2065
function OrRectRegion( |
Region: PRegion; |
Rectangle: PRectangle |
):LongBool; |
Return True if successful operation, Return False if ran out of memory
If any portion of rectangle is not in the region then add that portion to the region.
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Perform 2d AND operation of rectangle with region, leaving result in region. |
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Perform 2d OR operation of one region with second region, leaving result in second region |
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Perform 2d XOR operation of one region with second region, leaving result in second region |
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Allocates memory for a new Region and initializes it to an empty Region. |