pjs/gfx/2d/DrawTargetCG.h

/* -*- 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) 2009
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *   Jeff Muizelaar <jmuizelaar@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 ***** */

#pragma once

#include <ApplicationServices/ApplicationServices.h>

#include "2D.h"
#include "Rect.h"
namespace mozilla {
namespace gfx {

class DrawTargetCG : public DrawTarget
{
public:
  DrawTargetCG();
  virtual ~DrawTargetCG();

  virtual BackendType GetType() const { return COREGRAPHICS; }
  virtual TemporaryRef<SourceSurface> Snapshot();

  virtual void DrawSurface(SourceSurface *aSurface,
                           const Rect &aDest,
                           const Rect &aSource,
                           const DrawOptions &aOptions = DrawOptions(),
                           const DrawSurfaceOptions &aSurfOptions = DrawSurfaceOptions());

  virtual void FillRect(const Rect &aRect,
                        const Pattern &aPattern,
                        const DrawOptions &aOptions = DrawOptions());


  bool Init(const IntSize &aSize);
  bool Init(CGContextRef cgContext, const IntSize &aSize);

  /* This is for creating good compatible surfaces */
  virtual TemporaryRef<SourceSurface> CreateSourceSurfaceFromData(unsigned char *aData,
                                                            const IntSize &aSize,
                                                            int32_t aStride,
                                                            SurfaceFormat aFormat) const;
  virtual TemporaryRef<SourceSurface> OptimizeSourceSurface(SourceSurface *aSurface) const;
private:
  bool InitCGRenderTarget();

  IntSize mSize;
  CGContextRef mCg;

};

}
}