diff options
author | Steve Block <steveblock@google.com> | 2011-05-06 11:45:16 +0100 |
---|---|---|
committer | Steve Block <steveblock@google.com> | 2011-05-12 13:44:10 +0100 |
commit | cad810f21b803229eb11403f9209855525a25d57 (patch) | |
tree | 29a6fd0279be608e0fe9ffe9841f722f0f4e4269 /Source/WebCore/platform/win/BitmapInfo.h | |
parent | 121b0cf4517156d0ac5111caf9830c51b69bae8f (diff) | |
download | external_webkit-cad810f21b803229eb11403f9209855525a25d57.zip external_webkit-cad810f21b803229eb11403f9209855525a25d57.tar.gz external_webkit-cad810f21b803229eb11403f9209855525a25d57.tar.bz2 |
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.h | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/Source/WebCore/platform/win/BitmapInfo.h b/Source/WebCore/platform/win/BitmapInfo.h new file mode 100644 index 0000000..caf1b31 --- /dev/null +++ b/Source/WebCore/platform/win/BitmapInfo.h @@ -0,0 +1,64 @@ +/* + * 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 |