зеркало из https://github.com/mozilla/gecko-dev.git
77 строки
2.5 KiB
C++
77 строки
2.5 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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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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#ifndef mozilla_gfx_2d_SourceSurfaceCapture_h
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#define mozilla_gfx_2d_SourceSurfaceCapture_h
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#include "2D.h"
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#include "CaptureCommandList.h"
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#include "mozilla/Mutex.h"
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namespace mozilla {
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namespace gfx {
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class DrawTargetCaptureImpl;
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class SourceSurfaceCapture : public SourceSurface {
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friend class DrawTargetCaptureImpl;
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public:
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MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(SourceSurfaceCapture, override)
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explicit SourceSurfaceCapture(DrawTargetCaptureImpl* aOwner);
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SourceSurfaceCapture(DrawTargetCaptureImpl* aOwner,
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LuminanceType aLuminanceType, float aOpacity);
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SourceSurfaceCapture(DrawTargetCaptureImpl* aOwner,
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SourceSurface* aSurfToOptimize);
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virtual ~SourceSurfaceCapture();
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SurfaceType GetType() const override { return SurfaceType::CAPTURE; }
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IntSize GetSize() const override { return mSize; }
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SurfaceFormat GetFormat() const override { return mFormat; }
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void SizeOfExcludingThis(MallocSizeOf aMallocSizeOf,
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SizeOfInfo& aInfo) const override;
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bool IsValid() const override;
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already_AddRefed<DataSourceSurface> GetDataSurface() override;
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// The backend hint is not guaranteed to be honored, so callers must check
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// the resulting type if needed.
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RefPtr<SourceSurface> Resolve(BackendType aBackendType = BackendType::NONE);
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protected:
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RefPtr<SourceSurface> ResolveImpl(BackendType aBackendType);
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void DrawTargetWillDestroy();
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void DrawTargetWillChange();
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private:
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IntSize mSize;
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SurfaceFormat mFormat;
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int32_t mStride;
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int32_t mSurfaceAllocationSize;
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RefPtr<DrawTarget> mRefDT;
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DrawTargetCaptureImpl* mOwner;
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CaptureCommandList mCommands;
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bool mHasCommandList;
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bool mShouldResolveToLuminance;
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LuminanceType mLuminanceType;
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float mOpacity;
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// Note that we have to keep a reference around. Internal methods like
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// GetSkImageForSurface expect their callers to hold a reference, which
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// isn't easily possible for nested surfaces.
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mutable Mutex mLock;
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RefPtr<SourceSurface> mResolved;
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RefPtr<SourceSurface> mSurfToOptimize;
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};
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} // namespace gfx
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} // namespace mozilla
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#endif // mozilla_gfx_2d_SourceSurfaceCapture_h
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