gfx/2d/PathSkia.h
author Brian Hackett <bhackett1024@gmail.com>
Thu, 27 Dec 2018 13:24:55 -1000
changeset 453697 e2af5f75beaf4ec851514352d62ff6f4b8a1d037
parent 448947 6f3709b3878117466168c40affa7bca0b60cf75b
child 469134 884f5dc55873c9345ee945cd6d5427e8ab398071
permissions -rw-r--r--
Bug 1516578 Part 1 - Merge HitCheckpoint and HitBreakpoint messages, r=mccr8.

/* -*- 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_PATH_SKIA_H_
#define MOZILLA_GFX_PATH_SKIA_H_

#include "2D.h"
#include "skia/include/core/SkPath.h"

namespace mozilla {
namespace gfx {

class PathSkia;

class PathBuilderSkia : public PathBuilder {
 public:
  MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(PathBuilderSkia, override)

  PathBuilderSkia(const Matrix &aTransform, const SkPath &aPath,
                  FillRule aFillRule);
  explicit PathBuilderSkia(FillRule aFillRule);

  virtual void MoveTo(const Point &aPoint) override;
  virtual void LineTo(const Point &aPoint) override;
  virtual void BezierTo(const Point &aCP1, const Point &aCP2,
                        const Point &aCP3) override;
  virtual void QuadraticBezierTo(const Point &aCP1, const Point &aCP2) override;
  virtual void Close() override;
  virtual void Arc(const Point &aOrigin, float aRadius, float aStartAngle,
                   float aEndAngle, bool aAntiClockwise = false) override;
  virtual Point CurrentPoint() const override;
  virtual already_AddRefed<Path> Finish() override;

  void AppendPath(const SkPath &aPath);

  virtual BackendType GetBackendType() const override {
    return BackendType::SKIA;
  }

 private:
  void SetFillRule(FillRule aFillRule);

  SkPath mPath;
  FillRule mFillRule;
};

class PathSkia : public Path {
 public:
  MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(PathSkia, override)

  PathSkia(SkPath &aPath, FillRule aFillRule) : mFillRule(aFillRule) {
    mPath.swap(aPath);
  }

  virtual BackendType GetBackendType() const override {
    return BackendType::SKIA;
  }

  virtual already_AddRefed<PathBuilder> CopyToBuilder(
      FillRule aFillRule) const override;
  virtual already_AddRefed<PathBuilder> TransformedCopyToBuilder(
      const Matrix &aTransform, FillRule aFillRule) const override;

  virtual bool ContainsPoint(const Point &aPoint,
                             const Matrix &aTransform) const override;

  virtual bool StrokeContainsPoint(const StrokeOptions &aStrokeOptions,
                                   const Point &aPoint,
                                   const Matrix &aTransform) const override;

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

  virtual Rect GetStrokedBounds(
      const StrokeOptions &aStrokeOptions,
      const Matrix &aTransform = Matrix()) const override;

  virtual void StreamToSink(PathSink *aSink) const override;

  virtual FillRule GetFillRule() const override { return mFillRule; }

  const SkPath &GetPath() const { return mPath; }

 private:
  friend class DrawTargetSkia;

  SkPath mPath;
  FillRule mFillRule;
};

}  // namespace gfx
}  // namespace mozilla

#endif /* MOZILLA_GFX_PATH_SKIA_H_ */