gecko-dev/gfx/2d/SourceSurfaceD2D.h
2012-10-31 12:30:25 +13:00

87 lines
2.0 KiB
C++

/* -*- 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 MOZILLA_GFX_SOURCESURFACED2D_H_
#define MOZILLA_GFX_SOURCESURFACED2D_H_
#include "2D.h"
#include "HelpersD2D.h"
#include <vector>
namespace mozilla {
namespace gfx {
class DataSourceSurfaceD2D;
class SourceSurfaceD2D : public SourceSurface
{
public:
SourceSurfaceD2D();
~SourceSurfaceD2D();
virtual SurfaceType GetType() const { return SURFACE_D2D1_BITMAP; }
virtual IntSize GetSize() const;
virtual SurfaceFormat GetFormat() const;
virtual bool IsValid() const;
virtual TemporaryRef<DataSourceSurface> GetDataSurface();
ID2D1Bitmap *GetBitmap() { return mBitmap; }
bool InitFromData(unsigned char *aData,
const IntSize &aSize,
int32_t aStride,
SurfaceFormat aFormat,
ID2D1RenderTarget *aRT);
bool InitFromTexture(ID3D10Texture2D *aTexture,
SurfaceFormat aFormat,
ID2D1RenderTarget *aRT);
private:
friend class DrawTargetD2D;
friend class DataSourceSurfaceD2D;
uint32_t GetByteSize() const;
RefPtr<ID2D1Bitmap> mBitmap;
// We need to keep this pointer here to check surface validity.
RefPtr<ID3D10Device> mDevice;
SurfaceFormat mFormat;
IntSize mSize;
};
class DataSourceSurfaceD2D : public DataSourceSurface
{
public:
DataSourceSurfaceD2D(SourceSurfaceD2D* aSourceSurface);
virtual ~DataSourceSurfaceD2D();
virtual unsigned char* GetData();
virtual int32_t Stride();
virtual IntSize GetSize() const;
virtual SurfaceFormat GetFormat() const;
bool IsValid()
{
return mTexture;
}
private:
void EnsureMappedTexture();
RefPtr<ID3D10Texture2D> mTexture;
D3D10_MAPPED_TEXTURE2D mData;
SurfaceFormat mFormat;
IntSize mSize;
bool mMapped;
};
}
}
#endif /* MOZILLA_GFX_SOURCESURFACED2D_H_ */