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Del.» type TClipType = (ctIntersection, ctUnion, ctDifference, ctXor);
C++ » enum ClipType { ctIntersection, ctUnion, ctDifference, ctXor };
C# » public enum ClipType { ctIntersection, ctUnion, ctDifference, ctXor };
There are four boolean operations - AND, OR, NOT & XOR.
Given that subject and clip polygon brush 'filling' is defined both by their vertices and their respective filling rules, the four boolean operations can be applied to polygons to define new filling regions:
All polygon clipping is performed with a Clipper object with the specific boolean operation indicated by the ClipType parameter passed in its Execute method.
Overview, Clipper, Clipper.Execute, PolyFillType
Copyright ©2010-2013 Angus Johnson - Clipper Ver 5.1.6 - Help file built on 24-May-2013