gecko-dev/gfx/2d/PathD2D.h

132 lines
4.2 KiB
C++

/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Mozilla Corporation code.
*
* The Initial Developer of the Original Code is Mozilla Foundation.
* Portions created by the Initial Developer are Copyright (C) 2011
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Bas Schouten <bschouten@mozilla.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#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_ */