1 /* 2 * Copyright (C) 2010 Apple Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' 14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS 17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 23 * THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26 #include "config.h" 27 #include "ChunkedUpdateDrawingArea.h" 28 29 #include "UpdateChunk.h" 30 #include "WebPage.h" 31 #include <WebCore/BitmapInfo.h> 32 #include <WebCore/GraphicsContext.h> 33 34 using namespace WebCore; 35 36 namespace WebKit { 37 38 void ChunkedUpdateDrawingArea::paintIntoUpdateChunk(UpdateChunk* updateChunk) 39 { 40 OwnPtr<HDC> hdc(::CreateCompatibleDC(0)); 41 42 void* bits; 43 BitmapInfo bmp = BitmapInfo::createBottomUp(updateChunk->rect().size()); 44 OwnPtr<HBITMAP> hbmp(::CreateDIBSection(0, &bmp, DIB_RGB_COLORS, &bits, updateChunk->memory(), 0)); 45 46 HBITMAP hbmpOld = static_cast<HBITMAP>(::SelectObject(hdc.get(), hbmp.get())); 47 48 GraphicsContext gc(hdc.get()); 49 gc.save(); 50 51 // FIXME: Is this white fill needed? 52 RECT rect = updateChunk->rect(); 53 ::FillRect(hdc.get(), &rect, (HBRUSH)::GetStockObject(WHITE_BRUSH)); 54 gc.translate(-updateChunk->rect().x(), -updateChunk->rect().y()); 55 56 m_webPage->drawRect(gc, updateChunk->rect()); 57 58 gc.restore(); 59 60 // Re-select the old HBITMAP 61 ::SelectObject(hdc.get(), hbmpOld); 62 } 63 64 } // namespace WebKit 65
