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/*
* Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
* Copyright (C) 2014 Igalia S.L.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS 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 APPLE INC. OR ITS 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"
#include "BitmapTexture.h"
#include "GraphicsLayer.h"
#include "ImageBuffer.h"
#include "TextureMapper.h"
namespace WebCore {
void BitmapTexture::updateContents(TextureMapper&, GraphicsLayer* sourceLayer, const IntRect& targetRect, const IntPoint& offset, UpdateContentsFlag updateContentsFlag, float scale)
{
// Making an unconditionally unaccelerated buffer here is OK because this code
// isn't used by any platforms that respect the accelerated bit.
std::unique_ptr<ImageBuffer> imageBuffer = ImageBuffer::create(targetRect.size(), Unaccelerated);
if (!imageBuffer)
return;
GraphicsContext& context = imageBuffer->context();
context.setImageInterpolationQuality(InterpolationDefault);
context.setTextDrawingMode(TextModeFill);
IntRect sourceRect(targetRect);
sourceRect.setLocation(offset);
sourceRect.scale(1 / scale);
context.applyDeviceScaleFactor(scale);
context.translate(-sourceRect.x(), -sourceRect.y());
sourceLayer->paintGraphicsLayerContents(context, sourceRect);
RefPtr<Image> image = imageBuffer->copyImage(DontCopyBackingStore);
if (!image)
return;
updateContents(image.get(), targetRect, IntPoint(), updateContentsFlag);
}
} // namespace
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