1 /**************************************************************************
3 * Copyright 2008-2010 VMware, Inc.
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
24 **************************************************************************/
55 uint32_t biCompression;
57 int32_t biXPelsPerMeter;
58 int32_t biYPelsPerMeter;
60 uint32_t biClrImportant;
72 write(const char *filename,
73 const unsigned char *rgba,
74 unsigned width, unsigned height,
78 struct FileHeader bmfh;
79 struct InfoHeader bmih;
83 bmfh.bfSize = 14 + 40 + height*width*4;
86 bmfh.bfOffBits = 14 + 40;
90 bmih.biHeight = height;
93 bmih.biCompression = 0;
94 bmih.biSizeImage = height*width*4;
95 bmih.biXPelsPerMeter = 0;
96 bmih.biYPelsPerMeter = 0;
98 bmih.biClrImportant = 0;
100 std::ofstream stream(filename, std::ofstream::binary);
102 stream.write((const char *)&bmfh, 14);
103 stream.write((const char *)&bmih, 40);
108 const unsigned char *ptr = rgba + y * stride;
109 for (x = 0; x < width; ++x) {
111 pixel.rgbRed = ptr[x*4 + 0];
112 pixel.rgbGreen = ptr[x*4 + 1];
113 pixel.rgbBlue = ptr[x*4 + 2];
114 pixel.rgbAlpha = ptr[x*4 + 3];
115 stream.write((const char *)&pixel, 4);
119 for (y = 0; y < height; ++y) {
120 const unsigned char *ptr = rgba + y * stride;
121 for (x = 0; x < width; ++x) {
123 pixel.rgbRed = ptr[x*4 + 0];
124 pixel.rgbGreen = ptr[x*4 + 1];
125 pixel.rgbBlue = ptr[x*4 + 2];
126 pixel.rgbAlpha = ptr[x*4 + 3];
127 stream.write((const char *)&pixel, 4);
136 } /* namespace BMP */
139 #endif /* _BMP_HPP_ */