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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"
#if PLATFORM(SKIA)
#include "NativeImageSkia.h"
#include "PlatformContextSkia.h"
#endif
namespace WebCore {
PassRefPtr<ImageLayerChromium> ImageLayerChromium::create(GraphicsLayerChromium* owner)
{
return adoptRef(new ImageLayerChromium(owner));
}
ImageLayerChromium::ImageLayerChromium(GraphicsLayerChromium* owner)
: LayerChromium(owner)
, m_contents(0)
{
}
void ImageLayerChromium::setContents(NativeImagePtr contents)
{
// Check if the image has changed.
if (m_contents == contents)
return;
m_contents = contents;
setNeedsDisplay();
}
void ImageLayerChromium::updateTextureContents(unsigned textureId)
{
void* pixels = 0;
IntRect dirtyRect(m_dirtyRect);
IntSize requiredTextureSize;
IntSize bitmapSize;
#if PLATFORM(SKIA)
// The layer contains an Image.
NativeImageSkia* skiaImage = static_cast<NativeImageSkia*>(m_contents);
const SkBitmap* skiaBitmap = skiaImage;
requiredTextureSize = IntSize(skiaBitmap->width(), skiaBitmap->height());
ASSERT(skiaBitmap);
SkAutoLockPixels lock(*skiaBitmap);
SkBitmap::Config skiaConfig = skiaBitmap->config();
// FIXME: do we need to support more image configurations?
if (skiaConfig == SkBitmap::kARGB_8888_Config) {
pixels = skiaBitmap->getPixels();
bitmapSize = IntSize(skiaBitmap->width(), skiaBitmap->height());
}
#else
#error "Need to implement for your platform."
#endif
if (pixels)
updateTextureRect(pixels, bitmapSize, requiredTextureSize, dirtyRect, textureId);
}
}
#endif // USE(ACCELERATED_COMPOSITING)
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