1 files changed, 87 insertions, 0 deletions
diff --git a/Source/WebCore/platform/graphics/win/DIBPixelData.cpp b/Source/WebCore/platform/graphics/win/DIBPixelData.cpp
new file mode 100644
index 0000000..e45ba06
--- /dev/null
+++ b/Source/WebCore/platform/graphics/win/DIBPixelData.cpp
@@ -0,0 +1,87 @@
+/*
+ * Copyright (C) 2011 Brent Fulgham <bfulgham@webkit.org>
+ *
+ * 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``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 INC. OR
+ * 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"
+#include "DIBPixelData.h"
+
+namespace WebCore {
+
+static const WORD bitmapType = 0x4d42; // BMP format
+static const WORD bitmapPixelsPerMeter = 2834; // 72 dpi
+
+DIBPixelData::DIBPixelData(HBITMAP bitmap)
+{
+    initialize(bitmap);
+}
+
+void DIBPixelData::initialize(HBITMAP bitmap)
+{
+    BITMAP bmpInfo;
+    GetObject(bitmap, sizeof(bmpInfo), &bmpInfo);
+
+    m_bitmapBuffer = reinterpret_cast<UInt8*>(bmpInfo.bmBits);
+    m_bitmapBufferLength = bmpInfo.bmWidthBytes * bmpInfo.bmHeight;
+    m_size = IntSize(bmpInfo.bmWidth, bmpInfo.bmHeight);
+    m_bytesPerRow = bmpInfo.bmWidthBytes;
+    m_bitsPerPixel = bmpInfo.bmBitsPixel;
+}
+
+#ifndef NDEBUG
+void DIBPixelData::writeToFile(LPCWSTR filePath)
+{
+    HANDLE hFile = ::CreateFile(filePath, GENERIC_WRITE, 0, 0, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, 0);
+    if (INVALID_HANDLE_VALUE == hFile)
+        return;
+
+    BITMAPFILEHEADER header;
+    header.bfType = bitmapType;
+    header.bfOffBits = sizeof(BITMAPFILEHEADER) + sizeof(BITMAPINFOHEADER);
+    header.bfReserved1 = 0;
+    header.bfReserved2 = 0;
+    header.bfSize = sizeof(BITMAPFILEHEADER);
+
+    BITMAPINFOHEADER info;
+    info.biSize = sizeof(BITMAPINFOHEADER);
+    info.biWidth = m_size.width();
+    info.biHeight = m_size.height();
+    info.biPlanes = 1;
+    info.biBitCount = m_bitsPerPixel;
+    info.biCompression = BI_RGB;
+    info.biSizeImage = bufferLength();
+    info.biXPelsPerMeter = bitmapPixelsPerMeter;
+    info.biYPelsPerMeter = bitmapPixelsPerMeter;
+    info.biClrUsed = 0;
+    info.biClrImportant = 0;
+
+    DWORD bytesWritten = 0;
+    ::WriteFile(hFile, &header, sizeof(header), &bytesWritten, 0);
+    ::WriteFile(hFile, &info, sizeof(info), &bytesWritten, 0);
+    ::WriteFile(hFile, buffer(), bufferLength(), &bytesWritten, 0);
+
+    ::CloseHandle(hFile);
+}
+#endif
+
+} // namespace WebCore