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/*
* Copyright (C) 2010 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 "ChunkedUpdateDrawingArea.h"
#include "UpdateChunk.h"
#include "WebPage.h"
#include <WebCore/BitmapInfo.h>
#include <WebCore/GraphicsContext.h>
using namespace WebCore;
namespace WebKit {
void ChunkedUpdateDrawingArea::paintIntoUpdateChunk(UpdateChunk* updateChunk)
{
OwnPtr<HDC> hdc(::CreateCompatibleDC(0));
void* bits;
BitmapInfo bmp = BitmapInfo::createBottomUp(updateChunk->rect().size());
OwnPtr<HBITMAP> hbmp(::CreateDIBSection(0, &bmp, DIB_RGB_COLORS, &bits, updateChunk->memory(), 0));
HBITMAP hbmpOld = static_cast<HBITMAP>(::SelectObject(hdc.get(), hbmp.get()));
GraphicsContext gc(hdc.get());
gc.save();
// FIXME: Is this white fill needed?
RECT rect = updateChunk->rect();
::FillRect(hdc.get(), &rect, (HBRUSH)::GetStockObject(WHITE_BRUSH));
gc.translate(-updateChunk->rect().x(), -updateChunk->rect().y());
m_webPage->drawRect(gc, updateChunk->rect());
gc.restore();
// Re-select the old HBITMAP
::SelectObject(hdc.get(), hbmpOld);
}
} // namespace WebKit
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