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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
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