diff options
Diffstat (limited to 'tools/sim_screenshot.py')
| -rw-r--r-- | tools/sim_screenshot.py | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/tools/sim_screenshot.py b/tools/sim_screenshot.py index 81b41b6..5517b78 100644 --- a/tools/sim_screenshot.py +++ b/tools/sim_screenshot.py @@ -16,7 +16,8 @@ Steps: black out the corners of round displays, which show bezel, not screen. 3. Fail if the screen is blank (the app drew nothing). 4. With --golden, compare with the approved image: the check fails when more - than 0.5 % of the pixels differ by more than 24 levels in any channel. A + than 0.01 % of the pixels differ by more than 24 levels in any channel (less + than one changed character; rendering is deterministic). A diff image (differences in red) is written next to --out. 5. With --approve, save the screen as the new golden image instead. @@ -40,7 +41,7 @@ MAX_OFFSET_X, MAX_OFFSET_Y = 16, 64 # search range for the device drawing MIN_OVERLAP = 0.9 # the window may clip the drawing's edge, but not more than this MAX_BEZEL_DIFF = 6.0 # mean absolute difference per channel at the best offset PIXEL_TOLERANCE = 24 # per-channel difference that still counts as equal -MAX_DIFF_FRACTION = 0.005 # share of pixels allowed to differ +MAX_DIFF_FRACTION = 0.0001 # share of pixels allowed to differ: below one changed character MIN_SCREEN_STDDEV = 2.0 # below this the screen counts as blank |