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05fdbbaad2
--HG-- rename : gfx/layers/basic/BasicThebesLayer.cpp => gfx/layers/basic/BasicPaintedLayer.cpp rename : gfx/layers/basic/BasicThebesLayer.h => gfx/layers/basic/BasicPaintedLayer.h rename : gfx/layers/client/ClientThebesLayer.cpp => gfx/layers/client/ClientPaintedLayer.cpp rename : gfx/layers/client/ClientThebesLayer.h => gfx/layers/client/ClientPaintedLayer.h rename : gfx/layers/client/ClientTiledThebesLayer.cpp => gfx/layers/client/ClientTiledPaintedLayer.cpp rename : gfx/layers/client/ClientTiledThebesLayer.h => gfx/layers/client/ClientTiledPaintedLayer.h rename : gfx/layers/composite/ThebesLayerComposite.cpp => gfx/layers/composite/PaintedLayerComposite.cpp rename : gfx/layers/composite/ThebesLayerComposite.h => gfx/layers/composite/PaintedLayerComposite.h rename : gfx/layers/d3d10/ThebesLayerD3D10.cpp => gfx/layers/d3d10/PaintedLayerD3D10.cpp rename : gfx/layers/d3d10/ThebesLayerD3D10.h => gfx/layers/d3d10/PaintedLayerD3D10.h rename : gfx/layers/d3d9/ThebesLayerD3D9.cpp => gfx/layers/d3d9/PaintedLayerD3D9.cpp rename : gfx/layers/d3d9/ThebesLayerD3D9.h => gfx/layers/d3d9/PaintedLayerD3D9.h
57 lines
2.1 KiB
C++
57 lines
2.1 KiB
C++
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "ImageLayers.h"
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#include "ImageContainer.h" // for ImageContainer
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#include "gfxRect.h" // for gfxRect
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#include "nsDebug.h" // for NS_ASSERTION
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#include "nsISupportsImpl.h" // for ImageContainer::Release, etc
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#include "gfx2DGlue.h"
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namespace mozilla {
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namespace layers {
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ImageLayer::ImageLayer(LayerManager* aManager, void* aImplData)
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: Layer(aManager, aImplData), mFilter(GraphicsFilter::FILTER_GOOD)
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, mScaleMode(ScaleMode::SCALE_NONE), mDisallowBigImage(false)
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{}
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ImageLayer::~ImageLayer()
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{}
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void ImageLayer::SetContainer(ImageContainer* aContainer)
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{
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mContainer = aContainer;
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}
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void ImageLayer::ComputeEffectiveTransforms(const gfx::Matrix4x4& aTransformToSurface)
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{
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gfx::Matrix4x4 local = GetLocalTransform();
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// Snap image edges to pixel boundaries
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gfxRect sourceRect(0, 0, 0, 0);
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if (mContainer) {
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sourceRect.SizeTo(gfx::ThebesIntSize(mContainer->GetCurrentSize()));
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if (mScaleMode != ScaleMode::SCALE_NONE &&
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sourceRect.width != 0.0 && sourceRect.height != 0.0) {
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NS_ASSERTION(mScaleMode == ScaleMode::STRETCH,
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"No other scalemodes than stretch and none supported yet.");
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local.Scale(mScaleToSize.width / sourceRect.width,
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mScaleToSize.height / sourceRect.height, 1.0);
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}
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}
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// Snap our local transform first, and snap the inherited transform as well.
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// This makes our snapping equivalent to what would happen if our content
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// was drawn into a PaintedLayer (gfxContext would snap using the local
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// transform, then we'd snap again when compositing the PaintedLayer).
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mEffectiveTransform =
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SnapTransform(local, sourceRect, nullptr) *
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SnapTransformTranslation(aTransformToSurface, nullptr);
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ComputeEffectiveTransformForMaskLayer(aTransformToSurface);
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}
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}
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}
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