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authorSteve Block <steveblock@google.com>2011-05-06 11:45:16 +0100
committerSteve Block <steveblock@google.com>2011-05-12 13:44:10 +0100
commitcad810f21b803229eb11403f9209855525a25d57 (patch)
tree29a6fd0279be608e0fe9ffe9841f722f0f4e4269 /Source/WebCore/platform/win/BitmapInfo.h
parent121b0cf4517156d0ac5111caf9830c51b69bae8f (diff)
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Merge WebKit at r75315: Initial merge by git.
Change-Id: I570314b346ce101c935ed22a626b48c2af266b84
Diffstat (limited to 'Source/WebCore/platform/win/BitmapInfo.h')
-rw-r--r--Source/WebCore/platform/win/BitmapInfo.h64
1 files changed, 64 insertions, 0 deletions
diff --git a/Source/WebCore/platform/win/BitmapInfo.h b/Source/WebCore/platform/win/BitmapInfo.h
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+/*
+ * Copyright (C) 2009 Apple Inc. All Rights Reserved.
+ * Copyright (C) 2009 Brent Fulgham
+ * Copyright (C) 2007-2009 Torch Mobile, Inc. All Rights Reserved.
+ * Copyright (C) 2010 Patrick Gansterer <paroga@paroga.com>
+ *
+ * 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.
+ */
+
+#ifndef BitmapInfo_h
+#define BitmapInfo_h
+
+#include "IntSize.h"
+#include <windows.h>
+
+namespace WebCore {
+
+struct BitmapInfo : public BITMAPINFO {
+ enum BitCount {
+ BitCount1 = 1,
+ BitCount4 = 4,
+ BitCount8 = 8,
+ BitCount16 = 16,
+ BitCount24 = 24,
+ BitCount32 = 32
+ };
+
+ BitmapInfo();
+ static BitmapInfo create(const IntSize&, BitCount bitCount = BitCount32);
+ static BitmapInfo createBottomUp(const IntSize&, BitCount bitCount = BitCount32);
+
+ bool is16bit() const { return bmiHeader.biBitCount == 16; }
+ bool is32bit() const { return bmiHeader.biBitCount == 32; }
+ unsigned width() const { return abs(bmiHeader.biWidth); }
+ unsigned height() const { return abs(bmiHeader.biHeight); }
+ IntSize size() const { return IntSize(width(), height()); }
+ unsigned bytesPerLine() const { return (width() * bmiHeader.biBitCount + 7) / 8; }
+ unsigned paddedBytesPerLine() const { return (bytesPerLine() + 3) & ~0x3; }
+ unsigned paddedWidth() const { return paddedBytesPerLine() * 8 / bmiHeader.biBitCount; }
+ unsigned numPixels() const { return paddedWidth() * height(); }
+};
+
+} // namespace WebCore
+
+#endif // BitmapInfo_h