1 /*
2 * Copyright (C) 2009 Apple Inc. All Rights Reserved.
3 * Copyright (C) 2009 Brent Fulgham
4 * Copyright (C) 2007-2009 Torch Mobile, Inc. All Rights Reserved.
5 * Copyright (C) 2010 Patrick Gansterer <paroga@paroga.com>
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
17 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
20 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
21 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
22 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
23 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
24 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29 #include "config.h"
30 #include "BitmapInfo.h"
31
32 #include <wtf/Assertions.h>
33
34 namespace WebCore {
35
bitmapInfoForSize(int width,int height,BitmapInfo::BitCount bitCount)36 BitmapInfo bitmapInfoForSize(int width, int height, BitmapInfo::BitCount bitCount)
37 {
38 BitmapInfo bitmapInfo;
39 bitmapInfo.bmiHeader.biWidth = width;
40 bitmapInfo.bmiHeader.biHeight = height;
41 bitmapInfo.bmiHeader.biPlanes = 1;
42 bitmapInfo.bmiHeader.biBitCount = bitCount;
43 bitmapInfo.bmiHeader.biCompression = BI_RGB;
44
45 return bitmapInfo;
46 }
47
BitmapInfo()48 BitmapInfo::BitmapInfo()
49 {
50 memset(&bmiHeader, 0, sizeof(bmiHeader));
51 bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
52 }
53
create(const IntSize & size,BitCount bitCount)54 BitmapInfo BitmapInfo::create(const IntSize& size, BitCount bitCount)
55 {
56 return bitmapInfoForSize(size.width(), size.height(), bitCount);
57 }
58
createBottomUp(const IntSize & size,BitCount bitCount)59 BitmapInfo BitmapInfo::createBottomUp(const IntSize& size, BitCount bitCount)
60 {
61 return bitmapInfoForSize(size.width(), -size.height(), bitCount);
62 }
63
64 } // namespace WebCore
65