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 **************************************************************************/
45 // Flipped vertically or not
48 // Pixels in RGBA format
49 unsigned char *pixels;
51 inline Image(unsigned w, unsigned h, bool f = false) :
55 pixels(new unsigned char[h*w*4])
62 inline unsigned char *start(void) {
63 return flipped ? pixels + (height - 1)*width*4 : pixels;
66 inline unsigned char *end(void) {
67 return flipped ? pixels - width*4 : pixels + height*width*4;
70 inline signed stride(void) const {
71 return flipped ? -width*4 : width*4;
74 bool writeBMP(const char *filename) const;
75 bool writePNG(const char *filename) const;
77 double compare(Image &ref);
80 bool writePixelsToBuffer(unsigned char *pixels,
81 unsigned w, unsigned h, unsigned numChannels,
87 readPNG(const char *filename);
90 } /* namespace Image */
93 #endif /* _IMAGE_HPP_ */