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/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* 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)
explicit PathBuilderCairo(FillRule aFillRule);
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 Point CurrentPoint() const;
virtual already_AddRefed<Path> Finish();
virtual BackendType GetBackendType() const { return BackendType::CAIRO; }
private: // data
friend class PathCairo;
FillRule mFillRule;
std::vector<cairo_path_data_t> mPathData;
// It's easiest to track this here, parsing the path data to find the current
// point is a little tricky.
Point mCurrentPoint;
Point mBeginPoint;
};
class PathCairo : public Path
{
public:
MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(PathCairo)
PathCairo(FillRule aFillRule, std::vector<cairo_path_data_t> &aPathData, const Point &aCurrentPoint);
explicit PathCairo(cairo_t *aContext);
~PathCairo();
virtual BackendType GetBackendType() const { return BackendType::CAIRO; }
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; }
void SetPathOnContext(cairo_t *aContext) const;
void AppendPathToBuilder(PathBuilderCairo *aBuilder, const Matrix *aTransform = nullptr) const;
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;
};
} // namespace gfx
} // namespace mozilla
#endif /* MOZILLA_GFX_PATH_CAIRO_H_ */
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