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
createBitmapContextFromWebView(bool onscreen,bool incrementalRepaint,bool sweepHorizontally,bool drawSelectionRect)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