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Diffstat (limited to 'src/pathops/SkPathOpsSpan.h')
-rw-r--r-- | src/pathops/SkPathOpsSpan.h | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/src/pathops/SkPathOpsSpan.h b/src/pathops/SkPathOpsSpan.h new file mode 100644 index 0000000000..33965922ae --- /dev/null +++ b/src/pathops/SkPathOpsSpan.h @@ -0,0 +1,31 @@ +/* + * Copyright 2012 Google Inc. + * + * Use of this source code is governed by a BSD-style license that can be + * found in the LICENSE file. + */ +#ifndef SkOpSpan_DEFINED +#define SkOpSpan_DEFINED + +#include "SkPoint.h" + +class SkOpSegment; + +struct SkOpSpan { + SkOpSegment* fOther; + SkPoint fPt; // computed when the curves are intersected + double fT; + double fOtherT; // value at fOther[fOtherIndex].fT + int fOtherIndex; // can't be used during intersection + int fWindSum; // accumulated from contours surrounding this one. + int fOppSum; // for binary operators: the opposite winding sum + int fWindValue; // 0 == canceled; 1 == normal; >1 == coincident + int fOppValue; // normally 0 -- when binary coincident edges combine, opp value goes here + bool fDone; // if set, this span to next higher T has been processed + bool fUnsortableStart; // set when start is part of an unsortable pair + bool fUnsortableEnd; // set when end is part of an unsortable pair + bool fTiny; // if set, span may still be considered once for edge following + bool fLoop; // set when a cubic loops back to this point +}; + +#endif |