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 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 50 BitmapInfo::BitmapInfo() 51 { 52 memset(&bmiHeader, 0, sizeof(bmiHeader)); 53 bmiHeader.biSize = sizeof(BITMAPINFOHEADER); 54 } 55 56 BitmapInfo BitmapInfo::create(const IntSize& size) 57 { 58 return bitmapInfoForSize(size.width(), size.height()); 59 } 60 61 BitmapInfo BitmapInfo::createBottomUp(const IntSize& size) 62 { 63 return bitmapInfoForSize(size.width(), -size.height()); 64 } 65 66 } // namespace WebCore 67