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/*
* Copyright (C) 2010 Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#if USE(ACCELERATED_COMPOSITING)
#include "ImageLayerChromium.h"
#include "Image.h"
#include "LayerRendererChromium.h"
#include "LayerTexture.h"
namespace WebCore {
PassRefPtr<ImageLayerChromium> ImageLayerChromium::create(GraphicsLayerChromium* owner)
{
return adoptRef(new ImageLayerChromium(owner));
}
ImageLayerChromium::ImageLayerChromium(GraphicsLayerChromium* owner)
: ContentLayerChromium(owner)
, m_contents(0)
{
}
void ImageLayerChromium::setContents(Image* contents)
{
// Check if the image has changed.
if (m_contents == contents)
return;
m_contents = contents;
setNeedsDisplay();
}
void ImageLayerChromium::paintContentsIfDirty()
{
ASSERT(layerRenderer());
// FIXME: Remove this test when tiled layers are implemented.
if (requiresClippedUpdateRect()) {
// Use the base version of updateContents which draws a subset of the
// image to a bitmap, as the pixel contents can't be uploaded directly.
ContentLayerChromium::paintContentsIfDirty();
return;
}
m_decodedImage.updateFromImage(m_contents->nativeImageForCurrentFrame());
}
void ImageLayerChromium::updateTextureIfNeeded()
{
// FIXME: Remove this test when tiled layers are implemented.
if (requiresClippedUpdateRect()) {
ContentLayerChromium::updateTextureIfNeeded();
return;
}
updateTexture(m_decodedImage.pixels(), m_decodedImage.size());
}
}
#endif // USE(ACCELERATED_COMPOSITING)
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