Perform 2d XOR operation of rectangle with region, leaving result in region
Source position: agraphics.pas line 2219
function XorRectRegionND( |
Reg: PRegion; |
Rect: PRectangle |
):PRegion; |
Reg |
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A pointer to a Region |
Rect |
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A pointer to a Rectangle |
Pointer to the region or nil if out of memory
Add portions of rectangle to region if they are not in the region. Remove portions of rectangle from region if they are in the 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 AND operation of one region with second region, leaving result in second region. |
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Perform 2d XOR operation of rectangle with region, leaving result in region |