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comparison: gfx/2d/PathCairo.h
gfx/2d/PathCairo.h
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
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| -1:000000000000 | 0:7eff6cab05cd |
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| 1 /* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*- | |
| 2 * This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 #ifndef MOZILLA_GFX_PATH_CAIRO_H_ | |
| 7 #define MOZILLA_GFX_PATH_CAIRO_H_ | |
| 8 | |
| 9 #include "2D.h" | |
| 10 #include "cairo.h" | |
| 11 #include <vector> | |
| 12 | |
| 13 namespace mozilla { | |
| 14 namespace gfx { | |
| 15 | |
| 16 class DrawTargetCairo; | |
| 17 class PathCairo; | |
| 18 | |
| 19 class PathBuilderCairo : public PathBuilder | |
| 20 { | |
| 21 public: | |
| 22 MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(PathBuilderCairo) | |
| 23 PathBuilderCairo(FillRule aFillRule); | |
| 24 | |
| 25 virtual void MoveTo(const Point &aPoint); | |
| 26 virtual void LineTo(const Point &aPoint); | |
| 27 virtual void BezierTo(const Point &aCP1, | |
| 28 const Point &aCP2, | |
| 29 const Point &aCP3); | |
| 30 virtual void QuadraticBezierTo(const Point &aCP1, | |
| 31 const Point &aCP2); | |
| 32 virtual void Close(); | |
| 33 virtual void Arc(const Point &aOrigin, float aRadius, float aStartAngle, | |
| 34 float aEndAngle, bool aAntiClockwise = false); | |
| 35 virtual Point CurrentPoint() const; | |
| 36 virtual TemporaryRef<Path> Finish(); | |
| 37 | |
| 38 private: // data | |
| 39 friend class PathCairo; | |
| 40 | |
| 41 FillRule mFillRule; | |
| 42 std::vector<cairo_path_data_t> mPathData; | |
| 43 // It's easiest to track this here, parsing the path data to find the current | |
| 44 // point is a little tricky. | |
| 45 Point mCurrentPoint; | |
| 46 Point mBeginPoint; | |
| 47 }; | |
| 48 | |
| 49 class PathCairo : public Path | |
| 50 { | |
| 51 public: | |
| 52 MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(PathCairo) | |
| 53 PathCairo(FillRule aFillRule, std::vector<cairo_path_data_t> &aPathData, const Point &aCurrentPoint); | |
| 54 PathCairo(cairo_t *aContext); | |
| 55 ~PathCairo(); | |
| 56 | |
| 57 virtual BackendType GetBackendType() const { return BackendType::CAIRO; } | |
| 58 | |
| 59 virtual TemporaryRef<PathBuilder> CopyToBuilder(FillRule aFillRule = FillRule::FILL_WINDING) const; | |
| 60 virtual TemporaryRef<PathBuilder> TransformedCopyToBuilder(const Matrix &aTransform, | |
| 61 FillRule aFillRule = FillRule::FILL_WINDING) const; | |
| 62 | |
| 63 virtual bool ContainsPoint(const Point &aPoint, const Matrix &aTransform) const; | |
| 64 | |
| 65 virtual bool StrokeContainsPoint(const StrokeOptions &aStrokeOptions, | |
| 66 const Point &aPoint, | |
| 67 const Matrix &aTransform) const; | |
| 68 | |
| 69 virtual Rect GetBounds(const Matrix &aTransform = Matrix()) const; | |
| 70 | |
| 71 virtual Rect GetStrokedBounds(const StrokeOptions &aStrokeOptions, | |
| 72 const Matrix &aTransform = Matrix()) const; | |
| 73 | |
| 74 virtual void StreamToSink(PathSink *aSink) const; | |
| 75 | |
| 76 virtual FillRule GetFillRule() const { return mFillRule; } | |
| 77 | |
| 78 void SetPathOnContext(cairo_t *aContext) const; | |
| 79 | |
| 80 void AppendPathToBuilder(PathBuilderCairo *aBuilder, const Matrix *aTransform = nullptr) const; | |
| 81 private: | |
| 82 void EnsureContainingContext() const; | |
| 83 | |
| 84 FillRule mFillRule; | |
| 85 std::vector<cairo_path_data_t> mPathData; | |
| 86 mutable cairo_t *mContainingContext; | |
| 87 Point mCurrentPoint; | |
| 88 }; | |
| 89 | |
| 90 } | |
| 91 } | |
| 92 | |
| 93 #endif /* MOZILLA_GFX_PATH_CAIRO_H_ */ |
