зеркало из https://github.com/mozilla/gecko-dev.git
65 строки
1.9 KiB
C++
65 строки
1.9 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 GFX_MACIOSURFACEIMAGE_H
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#define GFX_MACIOSURFACEIMAGE_H
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#include "ImageContainer.h"
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#include "mozilla/gfx/MacIOSurface.h"
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#include "mozilla/layers/TextureClient.h"
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#include "gfxImageSurface.h"
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namespace mozilla {
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namespace layers {
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class MacIOSurfaceImage : public Image,
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public ISharedImage {
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public:
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void SetSurface(MacIOSurface* aSurface) { mSurface = aSurface; }
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MacIOSurface* GetSurface() { return mSurface; }
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gfxIntSize GetSize() {
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return gfxIntSize(mSurface->GetDevicePixelWidth(), mSurface->GetDevicePixelHeight());
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}
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virtual ISharedImage* AsSharedImage() MOZ_OVERRIDE { return this; }
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virtual already_AddRefed<gfxASurface> GetAsSurface() {
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mSurface->Lock();
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size_t bytesPerRow = mSurface->GetBytesPerRow();
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size_t ioWidth = mSurface->GetDevicePixelWidth();
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size_t ioHeight = mSurface->GetDevicePixelHeight();
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unsigned char* ioData = (unsigned char*)mSurface->GetBaseAddress();
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nsRefPtr<gfxImageSurface> imgSurface =
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new gfxImageSurface(gfxIntSize(ioWidth, ioHeight), gfxImageFormatARGB32);
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for (size_t i = 0; i < ioHeight; i++) {
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memcpy(imgSurface->Data() + i * imgSurface->Stride(),
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ioData + i * bytesPerRow, ioWidth * 4);
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}
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mSurface->Unlock();
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return imgSurface.forget();
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}
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virtual TextureClient* GetTextureClient() MOZ_OVERRIDE;
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virtual uint8_t* GetBuffer() MOZ_OVERRIDE { return nullptr; }
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MacIOSurfaceImage() : Image(nullptr, MAC_IOSURFACE) {}
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private:
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RefPtr<MacIOSurface> mSurface;
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RefPtr<TextureClient> mTextureClient;
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};
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} // layers
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} // mozilla
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#endif // GFX_SHAREDTEXTUREIMAGE_H
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