aboutsummaryrefslogtreecommitdiffhomepage
path: root/gm
diff options
context:
space:
mode:
authorGravatar commit-bot@chromium.org <commit-bot@chromium.org@2bbb7eff-a529-9590-31e7-b0007b416f81>2014-02-18 14:38:22 +0000
committerGravatar commit-bot@chromium.org <commit-bot@chromium.org@2bbb7eff-a529-9590-31e7-b0007b416f81>2014-02-18 14:38:22 +0000
commit4d0f008895b08a80483dde38f98f71ecb7f4f4b1 (patch)
tree0958bbd299e01f80ef6bf4c6dd51e758bb3eefc2 /gm
parent31acdeabce094e9d42f0d6db8eebcf788aaba11a (diff)
rebaseline_server: fail fast if skpdiff binary is not available
NOTRY=True R=rmistry@google.com Author: epoger@google.com Review URL: https://codereview.chromium.org/169943002 git-svn-id: http://skia.googlecode.com/svn/trunk@13484 2bbb7eff-a529-9590-31e7-b0007b416f81
Diffstat (limited to 'gm')
-rw-r--r--gm/rebaseline_server/imagediffdb.py14
1 files changed, 8 insertions, 6 deletions
diff --git a/gm/rebaseline_server/imagediffdb.py b/gm/rebaseline_server/imagediffdb.py
index 8c010f8a2b..8cec46bc94 100644
--- a/gm/rebaseline_server/imagediffdb.py
+++ b/gm/rebaseline_server/imagediffdb.py
@@ -31,7 +31,7 @@ sys.path.append(
'tools'))
import find_run_binary
-SKPDIFF_BINARY_NAME = 'skpdiff'
+SKPDIFF_BINARY = find_run_binary.find_path_to_program('skpdiff')
DEFAULT_IMAGE_SUFFIX = '.png'
DEFAULT_IMAGES_SUBDIR = 'images'
@@ -115,13 +115,12 @@ class DiffRecord(object):
skpdiff_csv_dir = tempfile.mkdtemp()
try:
skpdiff_csv_output = os.path.join(skpdiff_csv_dir, 'skpdiff-output.csv')
- skpdiff_binary = find_run_binary.find_path_to_program(SKPDIFF_BINARY_NAME)
expected_img = os.path.join(storage_root, expected_images_subdir,
str(expected_image_locator) + image_suffix)
actual_img = os.path.join(storage_root, actual_images_subdir,
str(actual_image_locator) + image_suffix)
find_run_binary.run_command(
- [skpdiff_binary, '-p', expected_img, actual_img,
+ [SKPDIFF_BINARY, '-p', expected_img, actual_img,
'--csv', skpdiff_csv_output, '-d', 'perceptual'])
with contextlib.closing(open(skpdiff_csv_output)) as csv_file:
for row in csv.DictReader(csv_file):
@@ -172,7 +171,10 @@ class DiffRecord(object):
def get_weighted_diff_measure(self):
"""Returns a weighted measure of image diffs, as a float between 0 and 100
- (inclusive)."""
+ (inclusive).
+
+ TODO(epoger): Delete this function, now that we have perceptual diff?
+ """
return self._weighted_diff_measure
def get_max_diff_per_channel(self):
@@ -265,6 +267,8 @@ def _calculate_weighted_diff_metric(histogram, num_pixels):
pixel between two images), calculate the weighted diff metric (a
stab at how different the two images really are).
+ TODO(epoger): Delete this function, now that we have perceptual diff?
+
Args:
histogram: PIL histogram of a per-channel diff between two images
num_pixels: integer; the total number of pixels in the diff image
@@ -274,8 +278,6 @@ def _calculate_weighted_diff_metric(histogram, num_pixels):
# TODO(epoger): As a wild guess at an appropriate metric, weight each
# different pixel by the square of its delta value. (The more different
# a pixel is from its expectation, the more we care about it.)
- # In the long term, we will probably use some metric generated by
- # skpdiff anyway.
assert(len(histogram) % VALUES_PER_BAND == 0)
num_bands = len(histogram) / VALUES_PER_BAND
max_diff = num_pixels * num_bands * (VALUES_PER_BAND - 1)**2