Perform 2d XOR operation of one region with second region, leaving result in second region
Source position: agraphics.pas line 2218
function XorRegionRegionND( |
R1: PRegion; |
R2: PRegion |
):PRegion; |
R1 |
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A pointer to Source Region |
R2 |
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A pointer to Destination Region |
R2 Region or nil if out of memory
Join the regions together. If any part of SrcRegion overlaps DestRegion then remove that from the new 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 one region with second region, leaving result in second region |