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 **************************************************************************/
51 uint32_t biCompression;
53 int32_t biXPelsPerMeter;
54 int32_t biYPelsPerMeter;
56 uint32_t biClrImportant;
68 write(const char *filename,
69 const unsigned char *rgba,
70 unsigned width, unsigned height,
74 struct FileHeader bmfh;
75 struct InfoHeader bmih;
79 bmfh.bfSize = 14 + 40 + height*width*4;
82 bmfh.bfOffBits = 14 + 40;
86 bmih.biHeight = height;
89 bmih.biCompression = 0;
90 bmih.biSizeImage = height*width*4;
91 bmih.biXPelsPerMeter = 0;
92 bmih.biYPelsPerMeter = 0;
94 bmih.biClrImportant = 0;
96 std::ofstream stream(filename, std::ofstream::binary);
98 stream.write((const char *)&bmfh, 14);
99 stream.write((const char *)&bmih, 40);
104 const unsigned char *ptr = rgba + y * stride;
105 for (x = 0; x < width; ++x) {
107 pixel.rgbRed = ptr[x*4 + 0];
108 pixel.rgbGreen = ptr[x*4 + 1];
109 pixel.rgbBlue = ptr[x*4 + 2];
110 pixel.rgbAlpha = ptr[x*4 + 3];
111 stream.write((const char *)&pixel, 4);
115 for (y = 0; y < height; ++y) {
116 const unsigned char *ptr = rgba + y * stride;
117 for (x = 0; x < width; ++x) {
119 pixel.rgbRed = ptr[x*4 + 0];
120 pixel.rgbGreen = ptr[x*4 + 1];
121 pixel.rgbBlue = ptr[x*4 + 2];
122 pixel.rgbAlpha = ptr[x*4 + 3];
123 stream.write((const char *)&pixel, 4);
132 } /* namespace BMP */
135 #endif /* _BMP_HPP_ */