PathD2D.h - mozsearch

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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

/* vim: set ts=8 sts=2 et sw=2 tw=80: */

/* This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#ifndef MOZILLA_GFX_PATHD2D_H_

#define MOZILLA_GFX_PATHD2D_H_

#include <d2d1.h>

#include "2D.h"

namespace mozilla {

namespace gfx {

class PathD2D;

class PathBuilderD2D : public PathBuilder {

 public:

  MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(PathBuilderD2D, override)

  PathBuilderD2D(ID2D1GeometrySink* aSink, ID2D1PathGeometry* aGeom,

                 FillRule aFillRule, BackendType aBackendType)

      : mSink(aSink),

        mGeometry(aGeom),

        mFigureActive(false),

        mFillRule(aFillRule),

        mBackendType(aBackendType) {}

  virtual ~PathBuilderD2D();

  virtual void MoveTo(const Point& aPoint);

  virtual void LineTo(const Point& aPoint);

  virtual void BezierTo(const Point& aCP1, const Point& aCP2,

                        const Point& aCP3);

  virtual void QuadraticBezierTo(const Point& aCP1, const Point& aCP2);

  virtual void Close();

  virtual void Arc(const Point& aOrigin, Float aRadius, Float aStartAngle,

                   Float aEndAngle, bool aAntiClockwise = false);

  virtual already_AddRefed<Path> Finish();

  virtual BackendType GetBackendType() const { return mBackendType; }

  ID2D1GeometrySink* GetSink() { return mSink; }

  bool IsFigureActive() const { return mFigureActive; }

  virtual bool IsActive() const { return IsFigureActive(); }

  static already_AddRefed<PathBuilder> Create(FillRule aFillRule);

 private:

  friend class PathD2D;

  void EnsureActive(const Point& aPoint);

  RefPtr<ID2D1GeometrySink> mSink;

  RefPtr<ID2D1PathGeometry> mGeometry;

  bool mFigureActive;

  bool mFigureEmpty = true;

  FillRule mFillRule;

  BackendType mBackendType;

};

class PathD2D : public Path {

 public:

  MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(PathD2D, override)

  PathD2D(ID2D1PathGeometry* aGeometry, bool aEndedActive, bool aIsEmpty,

          const Point& aEndPoint, FillRule aFillRule, BackendType aBackendType)

      : mGeometry(aGeometry),

        mEndedActive(aEndedActive),

        mIsEmpty(aIsEmpty),

        mEndPoint(aEndPoint),

        mFillRule(aFillRule),

        mBackendType(aBackendType) {}

  virtual BackendType GetBackendType() const { return mBackendType; }

  virtual already_AddRefed<PathBuilder> CopyToBuilder(FillRule aFillRule) const;

  virtual already_AddRefed<PathBuilder> TransformedCopyToBuilder(

      const Matrix& aTransform, FillRule aFillRule) const;

  virtual bool ContainsPoint(const Point& aPoint,

                             const Matrix& aTransform) const;

  virtual bool StrokeContainsPoint(const StrokeOptions& aStrokeOptions,

                                   const Point& aPoint,

                                   const Matrix& aTransform) const;

  virtual Rect GetBounds(const Matrix& aTransform = Matrix()) const;

  virtual Rect GetStrokedBounds(const StrokeOptions& aStrokeOptions,

                                const Matrix& aTransform = Matrix()) const;

  virtual void StreamToSink(PathSink* aSink) const;

  virtual FillRule GetFillRule() const { return mFillRule; }

  bool IsEmpty() const override { return mIsEmpty; }

  ID2D1Geometry* GetGeometry() { return mGeometry; }

 private:

  friend class DrawTargetD2D;

  friend class DrawTargetD2D1;

  mutable RefPtr<ID2D1PathGeometry> mGeometry;

  bool mEndedActive;

  bool mIsEmpty;

  Point mEndPoint;

  FillRule mFillRule;

  BackendType mBackendType;

};

}  // namespace gfx

}  // namespace mozilla

#endif /* MOZILLA_GFX_PATHD2D_H_ */