Clear the given Region region1 from the given Region region2.
Source position: agraphics.pas line 2217
function ClearRegionRegionND( |
R1: PRegion; |
R2: PRegion |
):PRegion; |
R1 |
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A pointer to a Region structure |
R2 |
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A pointer to a Region structure |
The resulting region or nil in case there's no enough free memory
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Perform 2d CLEAR operation of rectangle with region, leaving result in 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 rectangle with region, leaving result in region. |
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Perform 2d XOR operation of rectangle with region, leaving result in region |
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Clear the given Region region1 from the given Region region2 leaving the result in region2. |