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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /gfx/layers/composite/CanvasLayerComposite.h
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
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diff --git a/gfx/layers/composite/CanvasLayerComposite.h b/gfx/layers/composite/CanvasLayerComposite.h
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+/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ * 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/. */
+
+#ifndef GFX_CanvasLayerComposite_H
+#define GFX_CanvasLayerComposite_H
+
+#include "Layers.h" // for CanvasLayer, etc
+#include "mozilla/Attributes.h" // for override
+#include "mozilla/RefPtr.h" // for RefPtr
+#include "mozilla/layers/LayerManagerComposite.h" // for LayerComposite, etc
+#include "mozilla/layers/LayersTypes.h" // for LayerRenderState, etc
+#include "nsDebug.h" // for NS_RUNTIMEABORT
+#include "nsRect.h" // for mozilla::gfx::IntRect
+#include "nscore.h" // for nsACString
+
+namespace mozilla {
+namespace layers {
+
+class CompositableHost;
+// Canvas layers use ImageHosts (but CanvasClients) because compositing a
+// canvas is identical to compositing an image.
+class ImageHost;
+
+class CanvasLayerComposite : public CanvasLayer,
+ public LayerComposite
+{
+public:
+ explicit CanvasLayerComposite(LayerManagerComposite* aManager);
+
+protected:
+ virtual ~CanvasLayerComposite();
+
+public:
+ // CanvasLayer impl
+ virtual void Initialize(const Data& aData) override
+ {
+ NS_RUNTIMEABORT("Incompatibe surface type");
+ }
+
+ virtual LayerRenderState GetRenderState() override;
+
+ virtual bool SetCompositableHost(CompositableHost* aHost) override;
+
+ virtual void Disconnect() override
+ {
+ Destroy();
+ }
+
+ virtual void SetLayerManager(LayerManagerComposite* aManager) override;
+
+ virtual Layer* GetLayer() override;
+ virtual void RenderLayer(const gfx::IntRect& aClipRect) override;
+
+ virtual void CleanupResources() override;
+
+ virtual void GenEffectChain(EffectChain& aEffect) override;
+
+ CompositableHost* GetCompositableHost() override;
+
+ virtual LayerComposite* AsLayerComposite() override { return this; }
+
+ void SetBounds(gfx::IntRect aBounds) { mBounds = aBounds; }
+
+ virtual const char* Name() const override { return "CanvasLayerComposite"; }
+
+protected:
+ virtual void PrintInfo(std::stringstream& aStream, const char* aPrefix) override;
+
+private:
+ gfx::SamplingFilter GetSamplingFilter();
+
+private:
+ RefPtr<CompositableHost> mCompositableHost;
+};
+
+} // namespace layers
+} // namespace mozilla
+
+#endif /* GFX_CanvasLayerComposite_H */