michael@0: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
michael@0:  * This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #include "BasicCanvasLayer.h"
michael@0: #include "basic/BasicLayers.h"          // for BasicLayerManager
michael@0: #include "basic/BasicLayersImpl.h"      // for GetEffectiveOperator
michael@0: #include "mozilla/mozalloc.h"           // for operator new
michael@0: #include "nsAutoPtr.h"                  // for nsRefPtr
michael@0: #include "nsCOMPtr.h"                   // for already_AddRefed
michael@0: #include "nsISupportsImpl.h"            // for Layer::AddRef, etc
michael@0: #include "gfx2DGlue.h"
michael@0: 
michael@0: class gfxContext;
michael@0: 
michael@0: using namespace mozilla::gfx;
michael@0: using namespace mozilla::gl;
michael@0: 
michael@0: namespace mozilla {
michael@0: namespace layers {
michael@0: 
michael@0: void
michael@0: BasicCanvasLayer::Paint(DrawTarget* aDT,
michael@0:                         const Point& aDeviceOffset,
michael@0:                         Layer* aMaskLayer)
michael@0: {
michael@0:   if (IsHidden())
michael@0:     return;
michael@0: 
michael@0:   FirePreTransactionCallback();
michael@0:   UpdateTarget();
michael@0:   FireDidTransactionCallback();
michael@0: 
michael@0:   if (!mSurface) {
michael@0:     return;
michael@0:   }
michael@0: 
michael@0:   Matrix m;
michael@0:   if (mNeedsYFlip) {
michael@0:     m = aDT->GetTransform();
michael@0:     Matrix newTransform = m;
michael@0:     newTransform.Translate(0.0f, mBounds.height);
michael@0:     newTransform.Scale(1.0f, -1.0f);
michael@0:     aDT->SetTransform(newTransform);
michael@0:   }
michael@0: 
michael@0:   FillRectWithMask(aDT, aDeviceOffset,
michael@0:                    Rect(0, 0, mBounds.width, mBounds.height),
michael@0:                    mSurface, ToFilter(mFilter),
michael@0:                    DrawOptions(GetEffectiveOpacity(), GetEffectiveOperator(this)),
michael@0:                    aMaskLayer);
michael@0: 
michael@0:   if (mNeedsYFlip) {
michael@0:     aDT->SetTransform(m);
michael@0:   }
michael@0: }
michael@0: 
michael@0: already_AddRefed<CanvasLayer>
michael@0: BasicLayerManager::CreateCanvasLayer()
michael@0: {
michael@0:   NS_ASSERTION(InConstruction(), "Only allowed in construction phase");
michael@0:   nsRefPtr<CanvasLayer> layer = new BasicCanvasLayer(this);
michael@0:   return layer.forget();
michael@0: }
michael@0: 
michael@0: }
michael@0: }