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/*
* Copyright (C) 2011 Apple 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:
* 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 "BackingStore.h"
#include "ShareableBitmap.h"
#include "UpdateInfo.h"
namespace WebKit {
using namespace WebCore;
BackingStore::BackingStore(const IntSize& size, float deviceScaleFactor, WebPageProxy& webPageProxy)
: m_size(size)
, m_deviceScaleFactor(deviceScaleFactor)
, m_webPageProxy(webPageProxy)
{
ASSERT(!m_size.isEmpty());
}
BackingStore::~BackingStore()
{
}
void BackingStore::incorporateUpdate(const UpdateInfo& updateInfo)
{
ASSERT(m_size == updateInfo.viewSize);
auto bitmap = ShareableBitmap::create(updateInfo.bitmapHandle);
if (!bitmap)
return;
#if ASSERT_ENABLED
IntSize updateSize = updateInfo.updateRectBounds.size();
updateSize.scale(m_deviceScaleFactor);
ASSERT(bitmap->size() == updateSize);
#endif
incorporateUpdate(bitmap.get(), updateInfo);
}
} // namespace WebKit
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