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Code Issues Releases Wiki Activity

fix cropping divide by zero (#1220)

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This commit is contained in:
Alex Xu
2026-01-20 20:47:56 -08:00
committed by GitHub
parent 4baca03214
commit f5fd2bb7fe
1 changed files with 2 additions and 0 deletions
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kindlecomicconverter/page_number_crop_alg.py
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@@ -160,6 +160,8 @@ def ignore_pixels_near_edge(bw_img):
for box in edge_bbox: for box in edge_bbox:
edge = bw_img.crop(box) edge = bw_img.crop(box)
h = edge.histogram() h = edge.histogram()
if not edge.height or not edge.width:
continue
imperfections = h[255] / (edge.height * edge.width) imperfections = h[255] / (edge.height * edge.width)
if imperfections > 0 and imperfections < .02: if imperfections > 0 and imperfections < .02:
bw_img.paste(im=0, box=box) bw_img.paste(im=0, box=box)