1 /*
2 * Copyright (C) 2009 Apple Inc. All Rights Reserved.
3 * Copyright (C) 2009 Brent Fulgham
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
17 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
18 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
19 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
20 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
21 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
22 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27 #include "config.h"
28 #include "BitmapInfo.h"
29
30 namespace WebCore {
31
bitmapInfoForSize(int width,int height)32 BitmapInfo bitmapInfoForSize(int width, int height)
33 {
34 BitmapInfo bitmapInfo;
35 bitmapInfo.bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
36 bitmapInfo.bmiHeader.biWidth = width;
37 bitmapInfo.bmiHeader.biHeight = height;
38 bitmapInfo.bmiHeader.biPlanes = 1;
39 bitmapInfo.bmiHeader.biBitCount = 32;
40 bitmapInfo.bmiHeader.biCompression = BI_RGB;
41 bitmapInfo.bmiHeader.biSizeImage = 0;
42 bitmapInfo.bmiHeader.biXPelsPerMeter = 0;
43 bitmapInfo.bmiHeader.biYPelsPerMeter = 0;
44 bitmapInfo.bmiHeader.biClrUsed = 0;
45 bitmapInfo.bmiHeader.biClrImportant = 0;
46
47 return bitmapInfo;
48 }
49
BitmapInfo()50 BitmapInfo::BitmapInfo()
51 {
52 memset(&bmiHeader, 0, sizeof(bmiHeader));
53 bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
54 }
55
create(const IntSize & size)56 BitmapInfo BitmapInfo::create(const IntSize& size)
57 {
58 return bitmapInfoForSize(size.width(), size.height());
59 }
60
createBottomUp(const IntSize & size)61 BitmapInfo BitmapInfo::createBottomUp(const IntSize& size)
62 {
63 return bitmapInfoForSize(size.width(), -size.height());
64 }
65
66 } // namespace WebCore
67