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86 lines
3.3 KiB
C++
86 lines
3.3 KiB
C++
/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Fennec Electrolysis.
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*
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* The Initial Developer of the Original Code is
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* The Mozilla Foundation.
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* Portions created by the Initial Developer are Copyright (C) 2009
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "mozilla/ipc/DocumentRendererParent.h"
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#include "gfxImageSurface.h"
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#include "gfxPattern.h"
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using namespace mozilla::ipc;
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DocumentRendererParent::DocumentRendererParent()
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{}
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DocumentRendererParent::~DocumentRendererParent()
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{}
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void DocumentRendererParent::SetCanvasContext(nsICanvasRenderingContextInternal* aCanvas,
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gfxContext* ctx)
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{
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mCanvas = aCanvas;
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mCanvasContext = ctx;
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}
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void DocumentRendererParent::DrawToCanvas(PRUint32 aWidth, PRUint32 aHeight,
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const nsCString& aData)
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{
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if (!mCanvas || !mCanvasContext)
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return;
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nsRefPtr<gfxImageSurface> surf = new gfxImageSurface(reinterpret_cast<PRUint8*>(const_cast<char*>(aData.Data())),
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gfxIntSize(aWidth, aHeight),
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aWidth * 4,
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gfxASurface::ImageFormatARGB32);
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nsRefPtr<gfxPattern> pat = new gfxPattern(surf);
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mCanvasContext->NewPath();
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mCanvasContext->PixelSnappedRectangleAndSetPattern(gfxRect(0, 0, aWidth, aHeight), pat);
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mCanvasContext->Fill();
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// get rid of the pattern surface ref, because aData is very likely to go away shortly
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mCanvasContext->SetColor(gfxRGBA(1,1,1,1));
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gfxRect damageRect = mCanvasContext->UserToDevice(gfxRect(0, 0, aWidth, aHeight));
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mCanvas->Redraw(damageRect);
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}
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bool
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DocumentRendererParent::Recv__delete__(const PRUint32& w, const PRUint32& h,
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const nsCString& data)
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{
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DrawToCanvas(w, h, data);
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return true;
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}
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