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

134 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_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); }
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