The Tor Browser / file comparison
comparison: content/canvas/src/DocumentRendererParent.cpp
content/canvas/src/DocumentRendererParent.cpp
- changeset 0
- 6474c204b198
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| -1:000000000000 | 0:6525802c7db0 |
|---|---|
| 1 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 2 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 3 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 4 | |
| 5 #include "mozilla/ipc/DocumentRendererParent.h" | |
| 6 #include "gfxImageSurface.h" | |
| 7 #include "gfxPattern.h" | |
| 8 #include "nsICanvasRenderingContextInternal.h" | |
| 9 | |
| 10 using namespace mozilla::ipc; | |
| 11 | |
| 12 DocumentRendererParent::DocumentRendererParent() | |
| 13 {} | |
| 14 | |
| 15 DocumentRendererParent::~DocumentRendererParent() | |
| 16 {} | |
| 17 | |
| 18 void DocumentRendererParent::SetCanvasContext(nsICanvasRenderingContextInternal* aCanvas, | |
| 19 gfxContext* ctx) | |
| 20 { | |
| 21 mCanvas = aCanvas; | |
| 22 mCanvasContext = ctx; | |
| 23 } | |
| 24 | |
| 25 void DocumentRendererParent::DrawToCanvas(const nsIntSize& aSize, | |
| 26 const nsCString& aData) | |
| 27 { | |
| 28 if (!mCanvas || !mCanvasContext) | |
| 29 return; | |
| 30 | |
| 31 nsRefPtr<gfxImageSurface> surf = | |
| 32 new gfxImageSurface(reinterpret_cast<uint8_t*>(const_cast<nsCString&>(aData).BeginWriting()), | |
| 33 gfxIntSize(aSize.width, aSize.height), | |
| 34 aSize.width * 4, | |
| 35 gfxImageFormat::ARGB32); | |
| 36 nsRefPtr<gfxPattern> pat = new gfxPattern(surf); | |
| 37 | |
| 38 gfxRect rect(gfxPoint(0, 0), gfxSize(aSize.width, aSize.height)); | |
| 39 mCanvasContext->NewPath(); | |
| 40 mCanvasContext->PixelSnappedRectangleAndSetPattern(rect, pat); | |
| 41 mCanvasContext->Fill(); | |
| 42 | |
| 43 // get rid of the pattern surface ref, because aData is very | |
| 44 // likely to go away shortly | |
| 45 mCanvasContext->SetColor(gfxRGBA(1,1,1,1)); | |
| 46 | |
| 47 gfxRect damageRect = mCanvasContext->UserToDevice(rect); | |
| 48 mCanvas->Redraw(damageRect); | |
| 49 } | |
| 50 | |
| 51 bool | |
| 52 DocumentRendererParent::Recv__delete__(const nsIntSize& renderedSize, | |
| 53 const nsCString& data) | |
| 54 { | |
| 55 DrawToCanvas(renderedSize, data); | |
| 56 return true; | |
| 57 } |
