1 : /* ***** BEGIN LICENSE BLOCK *****
2 : * Version: MPL 1.1/GPL 2.0/LGPL 2.1
3 : *
4 : * The contents of this file are subject to the Mozilla Public License Version
5 : * 1.1 (the "License"); you may not use this file except in compliance with
6 : * the License. You may obtain a copy of the License at
7 : * http://www.mozilla.org/MPL/
8 : *
9 : * Software distributed under the License is distributed on an "AS IS" basis,
10 : * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
11 : * for the specific language governing rights and limitations under the
12 : * License.
13 : *
14 : * The Original Code is Fennec Electrolysis.
15 : *
16 : * The Initial Developer of the Original Code is
17 : * The Mozilla Foundation.
18 : * Portions created by the Initial Developer are Copyright (C) 2009
19 : * the Initial Developer. All Rights Reserved.
20 : *
21 : * Contributor(s):
22 : *
23 : * Alternatively, the contents of this file may be used under the terms of
24 : * either the GNU General Public License Version 2 or later (the "GPL"), or
25 : * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
26 : * in which case the provisions of the GPL or the LGPL are applicable instead
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28 : * under the terms of either the GPL or the LGPL, and not to allow others to
29 : * use your version of this file under the terms of the MPL, indicate your
30 : * decision by deleting the provisions above and replace them with the notice
31 : * and other provisions required by the GPL or the LGPL. If you do not delete
32 : * the provisions above, a recipient may use your version of this file under
33 : * the terms of any one of the MPL, the GPL or the LGPL.
34 : *
35 : * ***** END LICENSE BLOCK ***** */
36 :
37 : #include "mozilla/ipc/DocumentRendererParent.h"
38 : #include "gfxImageSurface.h"
39 : #include "gfxPattern.h"
40 :
41 : using namespace mozilla::ipc;
42 :
43 0 : DocumentRendererParent::DocumentRendererParent()
44 0 : {}
45 :
46 0 : DocumentRendererParent::~DocumentRendererParent()
47 0 : {}
48 :
49 0 : void DocumentRendererParent::SetCanvasContext(nsICanvasRenderingContextInternal* aCanvas,
50 : gfxContext* ctx)
51 : {
52 0 : mCanvas = aCanvas;
53 0 : mCanvasContext = ctx;
54 0 : }
55 :
56 0 : void DocumentRendererParent::DrawToCanvas(const nsIntSize& aSize,
57 : const nsCString& aData)
58 : {
59 0 : if (!mCanvas || !mCanvasContext)
60 0 : return;
61 :
62 : nsRefPtr<gfxImageSurface> surf =
63 0 : new gfxImageSurface(reinterpret_cast<uint8*>(const_cast<nsCString&>(aData).BeginWriting()),
64 : gfxIntSize(aSize.width, aSize.height),
65 : aSize.width * 4,
66 0 : gfxASurface::ImageFormatARGB32);
67 0 : nsRefPtr<gfxPattern> pat = new gfxPattern(surf);
68 :
69 0 : gfxRect rect(gfxPoint(0, 0), gfxSize(aSize.width, aSize.height));
70 0 : mCanvasContext->NewPath();
71 0 : mCanvasContext->PixelSnappedRectangleAndSetPattern(rect, pat);
72 0 : mCanvasContext->Fill();
73 :
74 : // get rid of the pattern surface ref, because aData is very
75 : // likely to go away shortly
76 0 : mCanvasContext->SetColor(gfxRGBA(1,1,1,1));
77 :
78 0 : gfxRect damageRect = mCanvasContext->UserToDevice(rect);
79 0 : mCanvas->Redraw(damageRect);
80 : }
81 :
82 : bool
83 0 : DocumentRendererParent::Recv__delete__(const nsIntSize& renderedSize,
84 : const nsCString& data)
85 : {
86 0 : DrawToCanvas(renderedSize, data);
87 0 : return true;
88 : }
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