gecko-dev/gfx/2d/PathD2D.h
2012-05-21 12:12:37 +01:00

100 lines
2.7 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_PATHD2D_H_
#define MOZILLA_GFX_PATHD2D_H_
#include "2D.h"
#include <d2d1.h>
namespace mozilla {
namespace gfx {
class PathD2D;
class PathBuilderD2D : public PathBuilder
{
public:
PathBuilderD2D(ID2D1GeometrySink *aSink, ID2D1PathGeometry *aGeom, FillRule aFillRule)
: mSink(aSink)
, mGeometry(aGeom)
, mFigureActive(false)
, mFillRule(aFillRule)
{
}
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 Point CurrentPoint() const;
virtual TemporaryRef<Path> Finish();
ID2D1GeometrySink *GetSink() { return mSink; }
private:
friend class PathD2D;
void EnsureActive(const Point &aPoint);
RefPtr<ID2D1GeometrySink> mSink;
RefPtr<ID2D1PathGeometry> mGeometry;
bool mFigureActive;
Point mCurrentPoint;
Point mBeginPoint;
FillRule mFillRule;
};
class PathD2D : public Path
{
public:
PathD2D(ID2D1PathGeometry *aGeometry, bool aEndedActive,
const Point &aEndPoint, FillRule aFillRule)
: mGeometry(aGeometry)
, mEndedActive(aEndedActive)
, mEndPoint(aEndPoint)
, mFillRule(aFillRule)
{}
virtual BackendType GetBackendType() const { return BACKEND_DIRECT2D; }
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; }
ID2D1Geometry *GetGeometry() { return mGeometry; }
private:
friend class DrawTargetD2D;
mutable RefPtr<ID2D1PathGeometry> mGeometry;
bool mEndedActive;
Point mEndPoint;
FillRule mFillRule;
};
}
}
#endif /* MOZILLA_GFX_PATHD2D_H_ */