The Tor Browser / file comparison
comparison: gfx/skia/trunk/src/core/SkEdgeBuilder.h
gfx/skia/trunk/src/core/SkEdgeBuilder.h
- branch
- TOR_BUG_3246
- changeset 6
- 8bccb770b82d
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| -1:000000000000 | 0:02b0c5d856ab |
|---|---|
| 1 | |
| 2 /* | |
| 3 * Copyright 2011 Google Inc. | |
| 4 * | |
| 5 * Use of this source code is governed by a BSD-style license that can be | |
| 6 * found in the LICENSE file. | |
| 7 */ | |
| 8 #ifndef SkEdgeBuilder_DEFINED | |
| 9 #define SkEdgeBuilder_DEFINED | |
| 10 | |
| 11 #include "SkChunkAlloc.h" | |
| 12 #include "SkRect.h" | |
| 13 #include "SkTDArray.h" | |
| 14 | |
| 15 struct SkEdge; | |
| 16 class SkEdgeClipper; | |
| 17 class SkPath; | |
| 18 | |
| 19 class SkEdgeBuilder { | |
| 20 public: | |
| 21 SkEdgeBuilder(); | |
| 22 | |
| 23 // returns the number of built edges. The array of those edge pointers | |
| 24 // is returned from edgeList(). | |
| 25 int build(const SkPath& path, const SkIRect* clip, int shiftUp); | |
| 26 | |
| 27 SkEdge** edgeList() { return fEdgeList; } | |
| 28 | |
| 29 private: | |
| 30 SkChunkAlloc fAlloc; | |
| 31 SkTDArray<SkEdge*> fList; | |
| 32 | |
| 33 /* | |
| 34 * If we're in general mode, we allcoate the pointers in fList, and this | |
| 35 * will point at fList.begin(). If we're in polygon mode, fList will be | |
| 36 * empty, as we will have preallocated room for the pointers in fAlloc's | |
| 37 * block, and fEdgeList will point into that. | |
| 38 */ | |
| 39 SkEdge** fEdgeList; | |
| 40 | |
| 41 int fShiftUp; | |
| 42 | |
| 43 public: | |
| 44 void addLine(const SkPoint pts[]); | |
| 45 void addQuad(const SkPoint pts[]); | |
| 46 void addCubic(const SkPoint pts[]); | |
| 47 void addClipper(SkEdgeClipper*); | |
| 48 | |
| 49 int buildPoly(const SkPath& path, const SkIRect* clip, int shiftUp); | |
| 50 }; | |
| 51 | |
| 52 #endif |
