/* * 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 "ShareableBitmap.h" #include <WebCore/BitmapInfo.h> #include <WebCore/GraphicsContext.h> #include <WebCore/HWndDC.h> using namespace WebCore; namespace WebKit { HDC ShareableBitmap::windowsContext() const { ASSERT(isBackedBySharedMemory()); if (m_windowsContext) return m_windowsContext.get(); HWndDC screenDC(0); BitmapInfo bmInfo = BitmapInfo::createBottomUp(m_size); m_windowsContext = adoptPtr(::CreateCompatibleDC(screenDC)); m_windowsBitmap = adoptPtr(CreateDIBSection(m_windowsContext.get(), &bmInfo, DIB_RGB_COLORS, 0, m_sharedMemory->handle(), 0)); ::SelectObject(m_windowsContext.get(), m_windowsBitmap.get()); return m_windowsContext.get(); } } // namespace WebKit