Line data    Source code

       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             : 
       7             : #include "gfx2DGlue.h"
       8             : #include "mozilla/gfx/2D.h"
       9             : #include "mozilla/gfx/PathHelpers.h"
      10             : #include "mozilla/RefPtr.h"
      11             : #include "nsICanvasRenderingContextInternal.h"
      12             : 
      13             : using namespace mozilla;
      14             : using namespace mozilla::gfx;
      15             : using namespace mozilla::ipc;
      16             : 
      17           0 : DocumentRendererParent::DocumentRendererParent()
      18           0 : {}
      19             : 
      20           0 : DocumentRendererParent::~DocumentRendererParent()
      21           0 : {}
      22             : 
      23           0 : void DocumentRendererParent::SetCanvasContext(nsICanvasRenderingContextInternal* aCanvas,
      24             :                                               gfxContext* ctx)
      25             : {
      26           0 :     mCanvas = aCanvas;
      27           0 :     mCanvasContext = ctx;
      28           0 : }
      29             : 
      30           0 : void DocumentRendererParent::DrawToCanvas(const nsIntSize& aSize,
      31             :                                           const nsCString& aData)
      32             : {
      33           0 :     if (!mCanvas || !mCanvasContext)
      34           0 :         return;
      35             : 
      36           0 :     DrawTarget* drawTarget = mCanvasContext->GetDrawTarget();
      37           0 :     Rect rect(0, 0, aSize.width, aSize.height);
      38           0 :     MaybeSnapToDevicePixels(rect, *drawTarget, true);
      39             :     RefPtr<DataSourceSurface> dataSurface =
      40           0 :         Factory::CreateWrappingDataSourceSurface(reinterpret_cast<uint8_t*>(const_cast<nsCString&>(aData).BeginWriting()),
      41           0 :                                                  aSize.width * 4,
      42           0 :                                                  IntSize(aSize.width, aSize.height),
      43           0 :                                                  SurfaceFormat::B8G8R8A8);
      44           0 :     SurfacePattern pattern(dataSurface, ExtendMode::CLAMP);
      45           0 :     drawTarget->FillRect(rect, pattern);
      46             : 
      47           0 :     gfxRect damageRect = mCanvasContext->UserToDevice(ThebesRect(rect));
      48           0 :     mCanvas->Redraw(damageRect);
      49             : }
      50             : 
      51             : void
      52           0 : DocumentRendererParent::ActorDestroy(ActorDestroyReason aWhy)
      53             : {
      54             :   // Implement me! Bug 1005139
      55           0 : }
      56             : 
      57             : mozilla::ipc::IPCResult
      58           0 : DocumentRendererParent::Recv__delete__(const nsIntSize& renderedSize,
      59             :                                        const nsCString& data)
      60             : {
      61           0 :     DrawToCanvas(renderedSize, data);
      62           0 :     return IPC_OK();
      63             : }