зеркало из https://github.com/mozilla/gecko-dev.git
104 строки
2.8 KiB
C++
104 строки
2.8 KiB
C++
/* -*- 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_PATHCG_H_
|
|
#define MOZILLA_GFX_PATHCG_H_
|
|
|
|
#include <ApplicationServices/ApplicationServices.h>
|
|
#include "2D.h"
|
|
|
|
namespace mozilla {
|
|
namespace gfx {
|
|
|
|
class PathCG;
|
|
|
|
class PathBuilderCG : public PathBuilder
|
|
{
|
|
public:
|
|
// absorbs a reference of aPath
|
|
PathBuilderCG(CGMutablePathRef aPath, FillRule aFillRule)
|
|
: mFigureActive(false)
|
|
, mFillRule(aFillRule)
|
|
{
|
|
mCGPath = aPath;
|
|
}
|
|
|
|
PathBuilderCG(FillRule aFillRule)
|
|
: mFigureActive(false)
|
|
, mFillRule(aFillRule)
|
|
{
|
|
mCGPath = CGPathCreateMutable();
|
|
}
|
|
|
|
virtual ~PathBuilderCG();
|
|
|
|
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 TemporaryRef<Path> Finish();
|
|
|
|
private:
|
|
friend class PathCG;
|
|
|
|
void EnsureActive(const Point &aPoint);
|
|
|
|
CGMutablePathRef mCGPath;
|
|
bool mFigureActive;
|
|
Point mCurrentPoint;
|
|
Point mBeginPoint;
|
|
FillRule mFillRule;
|
|
};
|
|
|
|
class PathCG : public Path
|
|
{
|
|
public:
|
|
PathCG(CGMutablePathRef aPath, FillRule aFillRule)
|
|
: mPath(aPath)
|
|
, mFillRule(aFillRule)
|
|
{
|
|
CGPathRetain(mPath);
|
|
}
|
|
virtual ~PathCG() { CGPathRelease(mPath); }
|
|
|
|
// Paths will always return BACKEND_COREGRAPHICS, but note that they
|
|
// are compatible with BACKEND_COREGRAPHICS_ACCELERATED backend.
|
|
virtual BackendType GetBackendType() const { return BACKEND_COREGRAPHICS; }
|
|
|
|
virtual TemporaryRef<PathBuilder> CopyToBuilder(FillRule aFillRule = FILL_WINDING) const;
|
|
virtual TemporaryRef<PathBuilder> TransformedCopyToBuilder(const Matrix &aTransform,
|
|
FillRule aFillRule = FILL_WINDING) const;
|
|
|
|
virtual bool ContainsPoint(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 FillRule GetFillRule() const { return mFillRule; }
|
|
|
|
CGMutablePathRef GetPath() const { return mPath; }
|
|
|
|
private:
|
|
friend class DrawTargetCG;
|
|
|
|
CGMutablePathRef mPath;
|
|
bool mEndedActive;
|
|
Point mEndPoint;
|
|
FillRule mFillRule;
|
|
};
|
|
|
|
}
|
|
}
|
|
|
|
#endif
|