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86 lines
2.4 KiB
C++
86 lines
2.4 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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#ifndef MOZILLA_GFX_SOURCESURFACED2DTARGET_H_
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#define MOZILLA_GFX_SOURCESURFACED2DTARGET_H_
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#include "2D.h"
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#include "HelpersD2D.h"
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#include <vector>
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#include <d3d11.h>
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#include <d2d1_1.h>
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namespace mozilla {
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namespace gfx {
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class DrawTargetD2D1;
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class SourceSurfaceD2D1 : public SourceSurface
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{
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public:
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SourceSurfaceD2D1(ID2D1Image* aImage, ID2D1DeviceContext *aDC,
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SurfaceFormat aFormat, const IntSize &aSize,
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DrawTargetD2D1 *aDT = nullptr);
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~SourceSurfaceD2D1();
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virtual SurfaceType GetType() const { return SURFACE_D2D1_1_IMAGE; }
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virtual IntSize GetSize() const { return mSize; }
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virtual SurfaceFormat GetFormat() const { return mFormat; }
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virtual TemporaryRef<DataSourceSurface> GetDataSurface();
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ID2D1Image *GetImage() { return mImage; }
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private:
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friend class DrawTargetD2D1;
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void EnsureRealizedBitmap();
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// This function is called by the draw target this texture belongs to when
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// it is about to be changed. The texture will be required to make a copy
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// of itself when this happens.
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void DrawTargetWillChange();
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// This will mark the surface as no longer depending on its drawtarget,
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// this may happen on destruction or copying.
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void MarkIndependent();
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RefPtr<ID2D1Image> mImage;
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// This may be null if we were created for a non-bitmap image and have not
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// had a reason yet to realize ourselves.
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RefPtr<ID2D1Bitmap1> mRealizedBitmap;
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RefPtr<ID2D1DeviceContext> mDC;
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SurfaceFormat mFormat;
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IntSize mSize;
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RefPtr<DrawTargetD2D1> mDrawTarget;
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};
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class DataSourceSurfaceD2D1 : public DataSourceSurface
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{
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public:
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DataSourceSurfaceD2D1(ID2D1Bitmap1 *aMappableBitmap, SurfaceFormat aFormat);
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~DataSourceSurfaceD2D1();
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virtual SurfaceType GetType() const { return SURFACE_DATA; }
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virtual IntSize GetSize() const;
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virtual SurfaceFormat GetFormat() const { return mFormat; }
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virtual uint8_t *GetData();
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virtual int32_t Stride();
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private:
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friend class SourceSurfaceD2DTarget;
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void EnsureMapped();
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mutable RefPtr<ID2D1Bitmap1> mBitmap;
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SurfaceFormat mFormat;
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D2D1_MAPPED_RECT mMap;
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bool mMapped;
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};
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}
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}
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#endif /* MOZILLA_GFX_SOURCESURFACED2D2TARGET_H_ */
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