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81 lines
2.9 KiB
C++
81 lines
2.9 KiB
C++
/*
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* Copyright (c) 2013, Google Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following disclaimer
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* in the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Google Inc. nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "sky/engine/platform/graphics/ImageBufferSurface.h"
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#include "sky/engine/platform/graphics/ImageBuffer.h"
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#include "third_party/skia/include/core/SkCanvas.h"
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#include "third_party/skia/include/core/SkDevice.h"
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#include "third_party/skia/include/core/SkPicture.h"
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namespace blink {
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ImageBufferSurface::ImageBufferSurface(const IntSize& size, OpacityMode opacityMode)
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: m_opacityMode(opacityMode)
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, m_size(size)
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{
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setIsHidden(false);
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}
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PassRefPtr<SkPicture> ImageBufferSurface::getPicture()
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{
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return nullptr;
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}
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void ImageBufferSurface::clear()
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{
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// Clear the background transparent or opaque, as required. It would be nice if this wasn't
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// required, but the canvas is currently filled with the magic transparency
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// color. Can we have another way to manage this?
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if (isValid()) {
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if (m_opacityMode == Opaque)
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canvas()->drawARGB(255, 0, 0, 0, SkXfermode::kSrc_Mode);
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else
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canvas()->drawARGB(0, 0, 0, 0, SkXfermode::kClear_Mode);
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didClearCanvas();
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}
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}
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const SkBitmap& ImageBufferSurface::bitmap()
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{
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ASSERT(canvas());
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willAccessPixels();
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return canvas()->getTopDevice()->accessBitmap(false);
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}
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const SkBitmap& ImageBufferSurface::cachedBitmap() const
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{
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DEFINE_STATIC_LOCAL(SkBitmap, nullBitmap, ());
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return nullBitmap;
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}
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} // namespace blink
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