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/*
* 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 "config.h"
#if USE(CG)
#include "PixelDumpSupportCG.h"
#elif USE(CAIRO)
#include "PixelDumpSupportCairo.h"
#endif
#include "DumpRenderTree.h"
#if USE(CG)
// Note: Must be included *after* DumpRenderTree.h to avoid compile error.
#include <CoreGraphics/CGBitmapContext.h>
#endif
#include <wtf/Assertions.h>
#include <wtf/RetainPtr.h>
PassRefPtr<BitmapContext> createBitmapContextFromWebView(bool onscreen, bool incrementalRepaint, bool sweepHorizontally, bool drawSelectionRect)
{
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;
void* bits = 0;
HBITMAP bitmap = CreateDIBSection(0, &bmp, DIB_RGB_COLORS, &bits, 0, 0);
HDC memoryDC = CreateCompatibleDC(0);
SelectObject(memoryDC, bitmap);
SendMessage(webViewWindow, WM_PRINT, reinterpret_cast<WPARAM>(memoryDC), PRF_CLIENT | PRF_CHILDREN | PRF_OWNED);
DeleteDC(memoryDC);
BITMAP info = {0};
GetObject(bitmap, sizeof(info), &info);
ASSERT(info.bmBitsPixel == 32);
#if USE(CG)
RetainPtr<CGColorSpaceRef> colorSpace(AdoptCF, CGColorSpaceCreateDeviceRGB());
CGContextRef context = CGBitmapContextCreate(info.bmBits, info.bmWidth, info.bmHeight, 8,
info.bmWidthBytes, colorSpace.get(), kCGBitmapByteOrder32Host | kCGImageAlphaPremultipliedFirst);
#elif USE(CAIRO)
cairo_surface_t* image = cairo_image_surface_create_for_data((unsigned char*)info.bmBits, CAIRO_FORMAT_ARGB32,
info.bmWidth, info.bmHeight, info.bmWidthBytes);
cairo_t* context = cairo_create(image);
cairo_surface_destroy(image);
#endif
return BitmapContext::createByAdoptingBitmapAndContext(bitmap, context);
}
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