gfx/2d/PathD2D.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_PATHD2D_H_
   8 #define MOZILLA_GFX_PATHD2D_H_
   9
  10 #include <d2d1.h>
  11
  12 #include "2D.h"
  13
  14 namespace mozilla {
  15 namespace gfx {
  16
  17 class PathD2D;
  18
  19 class PathBuilderD2D : public PathBuilder {
  20  public:
  21   MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(PathBuilderD2D, override)
  22   PathBuilderD2D(ID2D1GeometrySink* aSink, ID2D1PathGeometry* aGeom,
  23                  FillRule aFillRule, BackendType aBackendType)
  24       : mSink(aSink),
  25         mGeometry(aGeom),
  26         mFigureActive(false),
  27         mFillRule(aFillRule),
  28         mBackendType(aBackendType) {}
  29   virtual ~PathBuilderD2D();
  30
  31   virtual void MoveTo(const Point& aPoint);
  32   virtual void LineTo(const Point& aPoint);
  33   virtual void BezierTo(const Point& aCP1, const Point& aCP2,
  34                         const Point& aCP3);
  35   virtual void QuadraticBezierTo(const Point& aCP1, const Point& aCP2);
  36   virtual void Close();
  37   virtual void Arc(const Point& aOrigin, Float aRadius, Float aStartAngle,
  38                    Float aEndAngle, bool aAntiClockwise = false);
  39
  40   virtual already_AddRefed<Path> Finish();
  41
  42   virtual BackendType GetBackendType() const { return mBackendType; }
  43
  44   ID2D1GeometrySink* GetSink() { return mSink; }
  45
  46   bool IsFigureActive() const { return mFigureActive; }
  47
  48   virtual bool IsActive() const { return IsFigureActive(); }
  49
  50   static already_AddRefed<PathBuilder> Create(FillRule aFillRule);
  51
  52  private:
  53   friend class PathD2D;
  54
  55   void EnsureActive(const Point& aPoint);
  56
  57   RefPtr<ID2D1GeometrySink> mSink;
  58   RefPtr<ID2D1PathGeometry> mGeometry;
  59
  60   bool mFigureActive;
  61   bool mFigureEmpty = true;
  62   FillRule mFillRule;
  63   BackendType mBackendType;
  64 };
  65
  66 class PathD2D : public Path {
  67  public:
  68   MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(PathD2D, override)
  69   PathD2D(ID2D1PathGeometry* aGeometry, bool aEndedActive, bool aIsEmpty,
  70           const Point& aEndPoint, FillRule aFillRule, BackendType aBackendType)
  71       : mGeometry(aGeometry),
  72         mEndedActive(aEndedActive),
  73         mIsEmpty(aIsEmpty),
  74         mEndPoint(aEndPoint),
  75         mFillRule(aFillRule),
  76         mBackendType(aBackendType) {}
  77
  78   virtual BackendType GetBackendType() const { return mBackendType; }
  79
  80   virtual already_AddRefed<PathBuilder> CopyToBuilder(FillRule aFillRule) const;
  81   virtual already_AddRefed<PathBuilder> TransformedCopyToBuilder(
  82       const Matrix& aTransform, FillRule aFillRule) const;
  83
  84   virtual bool ContainsPoint(const Point& aPoint,
  85                              const Matrix& aTransform) const;
  86
  87   virtual bool StrokeContainsPoint(const StrokeOptions& aStrokeOptions,
  88                                    const Point& aPoint,
  89                                    const Matrix& aTransform) const;
  90
  91   virtual Rect GetBounds(const Matrix& aTransform = Matrix()) const;
  92
  93   virtual Rect GetStrokedBounds(const StrokeOptions& aStrokeOptions,
  94                                 const Matrix& aTransform = Matrix()) const;
  95
  96   virtual void StreamToSink(PathSink* aSink) const;
  97
  98   virtual FillRule GetFillRule() const { return mFillRule; }
  99
 100   bool IsEmpty() const override { return mIsEmpty; }
 101
 102   ID2D1Geometry* GetGeometry() { return mGeometry; }
 103
 104  private:
 105   friend class DrawTargetD2D;
 106   friend class DrawTargetD2D1;
 107
 108   mutable RefPtr<ID2D1PathGeometry> mGeometry;
 109   bool mEndedActive;
 110   bool mIsEmpty;
 111   Point mEndPoint;
 112   FillRule mFillRule;
 113   BackendType mBackendType;
 114 };
 115
 116 }  // namespace gfx
 117 }  // namespace mozilla
 118
 119 #endif /* MOZILLA_GFX_PATHD2D_H_ */