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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. ``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
* 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.
*/
#ifndef LocalWindowsContext_h
#define LocalWindowsContext_h
#include "GraphicsContext.h"
namespace WebCore {
class LocalWindowsContext {
WTF_MAKE_NONCOPYABLE(LocalWindowsContext);
public:
LocalWindowsContext(GraphicsContext& graphicsContext, const IntRect& rect, bool supportAlphaBlend = true)
: m_graphicsContext(graphicsContext)
, m_rect(rect)
, m_supportAlphaBlend(supportAlphaBlend)
{
m_hdc = m_graphicsContext.getWindowsContext(m_rect, m_supportAlphaBlend);
}
~LocalWindowsContext()
{
if (m_hdc)
m_graphicsContext.releaseWindowsContext(m_hdc, m_rect, m_supportAlphaBlend);
}
HDC hdc() const { return m_hdc; }
private:
GraphicsContext& m_graphicsContext;
HDC m_hdc;
IntRect m_rect;
bool m_supportAlphaBlend;
};
} // namespace WebCore
#endif // LocalWindowsContext_h