| /* |
| * Copyright (C) 2007 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. |
| * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of |
| * its contributors may be used to endorse or promote products derived |
| * from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE 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 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 "DumpRenderTree.h" |
| #include "PixelDumpSupportCG.h" |
| |
| #include <CoreGraphics/CGBitmapContext.h> |
| #include <wtf/Assertions.h> |
| #include <wtf/RetainPtr.h> |
| |
| RetainPtr<CGContextRef> getBitmapContextFromWebView() |
| { |
| RECT frame; |
| if (!GetWindowRect(webViewWindow, &frame)) |
| return 0; |
| |
| BITMAPINFO bmp = {0}; |
| bmp.bmiHeader.biSize = sizeof(BITMAPINFOHEADER); |
| bmp.bmiHeader.biWidth = frame.right - frame.left; |
| bmp.bmiHeader.biHeight = -(frame.bottom - frame.top); |
| bmp.bmiHeader.biPlanes = 1; |
| bmp.bmiHeader.biBitCount = 32; |
| bmp.bmiHeader.biCompression = BI_RGB; |
| |
| // FIXME: Currently we leak this HBITMAP because we don't have a good way |
| // to destroy it when the CGBitmapContext gets destroyed. |
| void* bits = 0; |
| HBITMAP bitmap = CreateDIBSection(0, &bmp, DIB_RGB_COLORS, &bits, 0, 0); |
| |
| HDC memoryDC = CreateCompatibleDC(0); |
| SelectObject(memoryDC, bitmap); |
| SendMessage(webViewWindow, WM_PRINTCLIENT, reinterpret_cast<WPARAM>(memoryDC), PRF_CLIENT | PRF_CHILDREN | PRF_OWNED); |
| DeleteDC(memoryDC); |
| |
| BITMAP info = {0}; |
| GetObject(bitmap, sizeof(info), &info); |
| ASSERT(info.bmBitsPixel == 32); |
| |
| RetainPtr<CGColorSpaceRef> colorSpace(AdoptCF, CGColorSpaceCreateDeviceRGB()); |
| return RetainPtr<CGContextRef>(AdoptCF, CGBitmapContextCreate(info.bmBits, info.bmWidth, info.bmHeight, 8, |
| info.bmWidthBytes, colorSpace.get(), kCGBitmapByteOrder32Little | kCGImageAlphaPremultipliedFirst)); |
| } |