1 /* 2 * Copyright (C) 2007 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 * 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of 14 * its contributors may be used to endorse or promote products derived 15 * from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY 18 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 20 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY 21 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 24 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #include "config.h" 30 31 #if PLATFORM(CG) 32 #include "PixelDumpSupportCG.h" 33 #elif PLATFORM(CAIRO) 34 #include "PixelDumpSupportCairo.h" 35 #endif 36 37 #include "DumpRenderTree.h" 38 39 #if PLATFORM(CG) 40 // Note: Must be included *after* DumpRenderTree.h to avoid compile error. 41 #include <CoreGraphics/CGBitmapContext.h> 42 #endif 43 44 #include <wtf/Assertions.h> 45 #include <wtf/RetainPtr.h> 46 47 PassRefPtr<BitmapContext> createBitmapContextFromWebView(bool onscreen, bool incrementalRepaint, bool sweepHorizontally, bool drawSelectionRect) 48 { 49 RECT frame; 50 if (!GetWindowRect(webViewWindow, &frame)) 51 return 0; 52 53 BITMAPINFO bmp = {0}; 54 bmp.bmiHeader.biSize = sizeof(BITMAPINFOHEADER); 55 bmp.bmiHeader.biWidth = frame.right - frame.left; 56 bmp.bmiHeader.biHeight = -(frame.bottom - frame.top); 57 bmp.bmiHeader.biPlanes = 1; 58 bmp.bmiHeader.biBitCount = 32; 59 bmp.bmiHeader.biCompression = BI_RGB; 60 61 void* bits = 0; 62 HBITMAP bitmap = CreateDIBSection(0, &bmp, DIB_RGB_COLORS, &bits, 0, 0); 63 64 HDC memoryDC = CreateCompatibleDC(0); 65 SelectObject(memoryDC, bitmap); 66 SendMessage(webViewWindow, WM_PRINTCLIENT, reinterpret_cast<WPARAM>(memoryDC), PRF_CLIENT | PRF_CHILDREN | PRF_OWNED); 67 DeleteDC(memoryDC); 68 69 BITMAP info = {0}; 70 GetObject(bitmap, sizeof(info), &info); 71 ASSERT(info.bmBitsPixel == 32); 72 73 #if PLATFORM(CG) 74 RetainPtr<CGColorSpaceRef> colorSpace(AdoptCF, CGColorSpaceCreateDeviceRGB()); 75 CGContextRef context = CGBitmapContextCreate(info.bmBits, info.bmWidth, info.bmHeight, 8, 76 info.bmWidthBytes, colorSpace.get(), kCGBitmapByteOrder32Little | kCGImageAlphaPremultipliedFirst); 77 #elif PLATFORM(CAIRO) 78 cairo_surface_t* image = cairo_image_surface_create_for_data((unsigned char*)info.bmBits, CAIRO_FORMAT_ARGB32, 79 info.bmWidth, info.bmHeight, info.bmWidthBytes); 80 cairo_t* context = cairo_create(image); 81 cairo_surface_destroy(image); 82 #endif 83 84 return BitmapContext::createByAdoptingBitmapAndContext(bitmap, context); 85 } 86
