fix clipper usage to fix accumulator contours.
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f52e3fef75
1 changed files with 7 additions and 7 deletions
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@ -658,11 +658,6 @@ void tgPolygonAddToClipperAccumulator( const TGPolygon& subject, bool dump )
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ClipperLib::Polygons clipper_subject;
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make_clipper_poly( subject, &clipper_subject );
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ClipperLib::Clipper c;
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c.Clear();
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c.AddPolygons(clipper_subject, ClipperLib::ptSubject);
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c.AddPolygons(clipper_accumulator, ClipperLib::ptClip);
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if (dump) {
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subjectFile.open ("subject.txt");
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subjectFile << clipper_subject;
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@ -673,7 +668,12 @@ void tgPolygonAddToClipperAccumulator( const TGPolygon& subject, bool dump )
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clipFile.close();
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}
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if ( !c.Execute(ClipperLib::ctUnion, clipper_accumulator, ClipperLib::pftNonZero, ClipperLib::pftNonZero) ) {
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ClipperLib::Clipper c;
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c.Clear();
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c.AddPolygons(clipper_subject, ClipperLib::ptSubject);
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c.AddPolygons(clipper_accumulator, ClipperLib::ptClip);
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if ( !c.Execute(ClipperLib::ctUnion, clipper_accumulator, ClipperLib::pftEvenOdd, ClipperLib::pftEvenOdd) ) {
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SG_LOG(SG_GENERAL, SG_ALERT, "Add to Accumulator returned FALSE" );
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exit(-1);
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}
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