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Code Issues Releases Wiki Activity

Tweaked whitespace cropping + other small tweaks

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This commit is contained in:
Paweł Jastrzębski
2014-04-18 11:47:51 +02:00
parent 181a2e8ab4
commit 8dd0b0e694
3 changed files with 10 additions and 7 deletions
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kcc/image.py
+6 -5
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@@ -362,27 +362,28 @@ class ComicPage:
self.image = self.image.crop((0, 0, widthImg, heightImg - diff))
return self.image
def cropWhiteSpace(self, threshold):
def cropWhiteSpace(self):
if ImageChops.invert(self.image).getbbox() is not None:
widthImg, heightImg = self.image.size
delta = 10
diff = delta
fixedThreshold = 0.1
# top
while ImageStat.Stat(self.image.crop((0, 0, widthImg, diff))).var[0] < threshold and diff < heightImg:
while ImageStat.Stat(self.image.crop((0, 0, widthImg, diff))).var[0] < fixedThreshold and diff < heightImg:
diff += delta
diff -= delta
self.image = self.image.crop((0, diff, widthImg, heightImg))
widthImg, heightImg = self.image.size
diff = delta
# left
while ImageStat.Stat(self.image.crop((0, 0, diff, heightImg))).var[0] < threshold and diff < widthImg:
while ImageStat.Stat(self.image.crop((0, 0, diff, heightImg))).var[0] < fixedThreshold and diff < widthImg:
diff += delta
diff -= delta
self.image = self.image.crop((diff, 0, widthImg, heightImg))
widthImg, heightImg = self.image.size
diff = delta
# down
while ImageStat.Stat(self.image.crop((0, heightImg - diff, widthImg, heightImg))).var[0] < threshold\
while ImageStat.Stat(self.image.crop((0, heightImg - diff, widthImg, heightImg))).var[0] < fixedThreshold\
and diff < heightImg:
diff += delta
diff -= delta
@@ -390,7 +391,7 @@ class ComicPage:
widthImg, heightImg = self.image.size
diff = delta
# right
while ImageStat.Stat(self.image.crop((widthImg - diff, 0, widthImg, heightImg))).var[0] < threshold\
while ImageStat.Stat(self.image.crop((widthImg - diff, 0, widthImg, heightImg))).var[0] < fixedThreshold\
and diff < widthImg:
diff += delta
diff -= delta