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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "mozilla/ipc/DocumentRendererParent.h"
#include "gfx2DGlue.h"
#include "mozilla/gfx/2D.h"
#include "mozilla/gfx/PathHelpers.h"
#include "mozilla/RefPtr.h"
#include "nsICanvasRenderingContextInternal.h"
using namespace mozilla;
using namespace mozilla::gfx;
using namespace mozilla::ipc;
DocumentRendererParent::DocumentRendererParent()
{}
DocumentRendererParent::~DocumentRendererParent()
{}
void DocumentRendererParent::SetCanvasContext(nsICanvasRenderingContextInternal* aCanvas,
gfxContext* ctx)
{
mCanvas = aCanvas;
mCanvasContext = ctx;
}
void DocumentRendererParent::DrawToCanvas(const nsIntSize& aSize,
const nsCString& aData)
{
if (!mCanvas || !mCanvasContext)
return;
DrawTarget* drawTarget = mCanvasContext->GetDrawTarget();
Rect rect(0, 0, aSize.width, aSize.height);
MaybeSnapToDevicePixels(rect, *drawTarget, true);
RefPtr<DataSourceSurface> dataSurface =
Factory::CreateWrappingDataSourceSurface(reinterpret_cast<uint8_t*>(const_cast<nsCString&>(aData).BeginWriting()),
aSize.width * 4,
IntSize(aSize.width, aSize.height),
SurfaceFormat::B8G8R8A8);
SurfacePattern pattern(dataSurface, ExtendMode::CLAMP);
drawTarget->FillRect(rect, pattern);
gfxRect damageRect = mCanvasContext->UserToDevice(ThebesRect(rect));
mCanvas->Redraw(damageRect);
}
void
DocumentRendererParent::ActorDestroy(ActorDestroyReason aWhy)
{
// Implement me! Bug 1005139
}
bool
DocumentRendererParent::Recv__delete__(const nsIntSize& renderedSize,
const nsCString& data)
{
DrawToCanvas(renderedSize, data);
return true;
}
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