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| 1 """ | 1 """ |
| 2 Utility functions to deal with ppm (qemu screendump format) files. | 2 Utility functions to deal with ppm (qemu screendump format) files. |
| 3 | 3 |
| 4 @copyright: Red Hat 2008-2009 | 4 @copyright: Red Hat 2008-2009 |
| 5 """ | 5 """ |
| 6 | 6 |
| 7 import os, struct, time, re | 7 import os, struct, time, re |
| 8 from autotest_lib.client.bin import utils | 8 from autotest_lib.client.bin import utils |
| 9 | 9 |
| 10 # Some directory/filename utils, for consistency | 10 # Some directory/filename utils, for consistency |
| (...skipping 217 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 228 while i < width*height*3: | 228 while i < width*height*3: |
| 229 pixel1_str = data1[i:i+3] | 229 pixel1_str = data1[i:i+3] |
| 230 pixel2_str = data2[i:i+3] | 230 pixel2_str = data2[i:i+3] |
| 231 # Compare pixels | 231 # Compare pixels |
| 232 if pixel1_str == pixel2_str: | 232 if pixel1_str == pixel2_str: |
| 233 equal += 1.0 | 233 equal += 1.0 |
| 234 else: | 234 else: |
| 235 different += 1.0 | 235 different += 1.0 |
| 236 i += 3 | 236 i += 3 |
| 237 return equal / (equal + different) | 237 return equal / (equal + different) |
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