/* -*- 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_CAIRO_H_
#define MOZILLA_GFX_PATH_CAIRO_H_
#include "2D.h"
#include "cairo.h"
#include <vector>
namespace mozilla {
namespace gfx {
class PathCairo;
class PathBuilderCairo :
public PathBuilder {
public:
MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(PathBuilderCairo, override)
explicit PathBuilderCairo(FillRule aFillRule);
void MoveTo(
const Point& aPoint) override;
void LineTo(
const Point& aPoint) override;
void BezierTo(
const Point& aCP1,
const Point& aCP2,
const Point& aCP3) override;
void QuadraticBezierTo(
const Point& aCP1,
const Point& aCP2) override;
void Close() override;
void Arc(
const Point& aOrigin,
float aRadius,
float aStartAngle,
float aEndAngle,
bool aAntiClockwise =
false) override;
already_AddRefed<Path> Finish() override;
BackendType GetBackendType()
const override {
return BackendType::CAIRO; }
bool IsActive()
const override {
return !mPathData.empty(); }
static already_AddRefed<PathBuilder> Create(FillRule aFillRule);
private:
// data
friend class PathCairo;
FillRule mFillRule;
std::vector<cairo_path_data_t> mPathData;
};
class PathCairo :
public Path {
public:
MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(PathCairo, override)
PathCairo(FillRule aFillRule, std::vector<cairo_path_data_t>& aPathData,
const Point& aCurrentPoint,
const Point& aBeginPoint);
explicit PathCairo(cairo_t* aContext);
virtual ~PathCairo();
BackendType GetBackendType()
const override {
return BackendType::CAIRO; }
already_AddRefed<PathBuilder> CopyToBuilder(
FillRule aFillRule)
const override;
already_AddRefed<PathBuilder> TransformedCopyToBuilder(
const Matrix& aTransform, FillRule aFillRule)
const override;
bool ContainsPoint(
const Point& aPoint,
const Matrix& aTransform)
const override;
bool StrokeContainsPoint(
const StrokeOptions& aStrokeOptions,
const Point& aPoint,
const Matrix& aTransform)
const override;
Rect GetBounds(
const Matrix& aTransform = Matrix())
const override;
Rect GetStrokedBounds(
const StrokeOptions& aStrokeOptions,
const Matrix& aTransform = Matrix())
const override;
void StreamToSink(PathSink* aSink)
const override;
FillRule GetFillRule()
const override {
return mFillRule; }
void SetPathOnContext(cairo_t* aContext)
const;
void AppendPathToBuilder(PathBuilderCairo* aBuilder,
const Matrix* aTransform = nullptr)
const;
bool IsEmpty()
const override;
private:
void EnsureContainingContext(
const Matrix& aTransform)
const;
FillRule mFillRule;
std::vector<cairo_path_data_t> mPathData;
mutable cairo_t* mContainingContext;
mutable Matrix mContainingTransform;
Point mCurrentPoint;
Point mBeginPoint;
};
}
// namespace gfx
}
// namespace mozilla
#endif /* MOZILLA_GFX_PATH_CAIRO_H_ */
