1 /**************************************************************************
3 * Copyright 2008-2010 VMware, Inc.
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7 * of this software and associated documentation files (the "Software"), to deal
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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
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24 **************************************************************************/
46 // Flipped vertically or not
49 // Pixels in RGBA format
50 unsigned char *pixels;
52 inline Image(unsigned w, unsigned h, unsigned c = 4, bool f = false) :
57 pixels(new unsigned char[h*w*c])
64 inline unsigned char *start(void) {
65 return flipped ? pixels + (height - 1)*width*channels : pixels;
68 inline const unsigned char *start(void) const {
69 return flipped ? pixels + (height - 1)*width*channels : pixels;
72 inline unsigned char *end(void) {
73 return flipped ? pixels - width*channels : pixels + height*width*channels;
76 inline const unsigned char *end(void) const {
77 return flipped ? pixels - width*channels : pixels + height*width*channels;
80 inline signed stride(void) const {
81 return flipped ? -width*channels : width*channels;
84 bool writeBMP(const char *filename) const;
86 void writePNM(std::ostream &os) const;
88 inline bool writePNM(const char *filename) const {
89 std::ofstream os(filename, std::ofstream::binary);
97 bool writePNG(const char *filename) const;
99 double compare(Image &ref);
102 bool writePixelsToBuffer(unsigned char *pixels,
103 unsigned w, unsigned h, unsigned numChannels,
109 readPNG(const char *filename);
112 } /* namespace Image */
115 #endif /* _IMAGE_HPP_ */