gfx/2d/PathSkia.h

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #ifndef MOZILLA_GFX_PATH_SKIA_H_
   8 #define MOZILLA_GFX_PATH_SKIA_H_
   9
  10 #include "2D.h"
  11 #include "skia/include/core/SkPath.h"
  12
  13 namespace mozilla {
  14 namespace gfx {
  15
  16 class PathSkia;
  17
  18 class PathBuilderSkia : public PathBuilder {
  19  public:
  20   MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(PathBuilderSkia, override)
  21
  22   PathBuilderSkia(const Matrix& aTransform, const SkPath& aPath,
  23                   FillRule aFillRule);
  24   explicit PathBuilderSkia(FillRule aFillRule);
  25
  26   void MoveTo(const Point& aPoint) override;
  27   void LineTo(const Point& aPoint) override;
  28   void BezierTo(const Point& aCP1, const Point& aCP2,
  29                 const Point& aCP3) override;
  30   void QuadraticBezierTo(const Point& aCP1, const Point& aCP2) override;
  31   void Close() override;
  32   void Arc(const Point& aOrigin, float aRadius, float aStartAngle,
  33            float aEndAngle, bool aAntiClockwise = false) override;
  34   already_AddRefed<Path> Finish() override;
  35
  36   void AppendPath(const SkPath& aPath);
  37
  38   BackendType GetBackendType() const override { return BackendType::SKIA; }
  39
  40  private:
  41   friend class PathSkia;
  42
  43   void SetFillRule(FillRule aFillRule);
  44
  45   SkPath mPath;
  46   FillRule mFillRule;
  47 };
  48
  49 class PathSkia : public Path {
  50  public:
  51   MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(PathSkia, override)
  52
  53   PathSkia(SkPath& aPath, FillRule aFillRule, Point aCurrentPoint = Point(),
  54            Point aBeginPoint = Point())
  55       : mFillRule(aFillRule),
  56         mCurrentPoint(aCurrentPoint),
  57         mBeginPoint(aBeginPoint) {
  58     mPath.swap(aPath);
  59   }
  60
  61   BackendType GetBackendType() const override { return BackendType::SKIA; }
  62
  63   already_AddRefed<PathBuilder> CopyToBuilder(
  64       FillRule aFillRule) const override;
  65   already_AddRefed<PathBuilder> TransformedCopyToBuilder(
  66       const Matrix& aTransform, FillRule aFillRule) const override;
  67
  68   bool ContainsPoint(const Point& aPoint,
  69                      const Matrix& aTransform) const override;
  70
  71   bool StrokeContainsPoint(const StrokeOptions& aStrokeOptions,
  72                            const Point& aPoint,
  73                            const Matrix& aTransform) const override;
  74
  75   Rect GetBounds(const Matrix& aTransform = Matrix()) const override;
  76
  77   Rect GetStrokedBounds(const StrokeOptions& aStrokeOptions,
  78                         const Matrix& aTransform = Matrix()) const override;
  79
  80   void StreamToSink(PathSink* aSink) const override;
  81
  82   FillRule GetFillRule() const override { return mFillRule; }
  83
  84   const SkPath& GetPath() const { return mPath; }
  85
  86  private:
  87   friend class DrawTargetSkia;
  88
  89   SkPath mPath;
  90   FillRule mFillRule;
  91   Point mCurrentPoint;
  92   Point mBeginPoint;
  93 };
  94
  95 }  // namespace gfx
  96 }  // namespace mozilla
  97
  98 #endif /* MOZILLA_GFX_PATH_SKIA_H_ */