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Code Issues Releases Wiki Activity

Added --croppingminimum option to set a cropping minimum area ratio

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Closes #342
This commit is contained in:
Frédéric Brière
2020-02-28 22:44:23 -05:00
committed by darodi
parent b225de7b97
commit 16e275bb1f
2 changed files with 16 additions and 6 deletions
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16
kindlecomicconverter/image.py
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@@ -350,7 +350,13 @@ class ComicPage:
)
return bbox
def cropPageNumber(self, power):
def maybeCrop(self, box, minimum):
box_area = (box[2] - box[0]) * (box[3] - box[1])
image_area = self.image.size[0] * self.image.size[1]
if (box_area / image_area) >= minimum:
self.image = self.image.crop(box)
def cropPageNumber(self, power, minimum):
if self.fill != 'white':
tmptmg = self.image.convert(mode='L')
else:
@@ -359,16 +365,18 @@ class ComicPage:
tmptmg = tmptmg.filter(ImageFilter.MinFilter(size=3))
tmptmg = tmptmg.filter(ImageFilter.GaussianBlur(radius=5))
tmptmg = tmptmg.point(lambda x: (x >= 16 * power) and x)
self.image = self.image.crop(tmptmg.getbbox()) if tmptmg.getbbox() else self.image
if tmptmg.getbbox():
self.maybeCrop(tmptmg.getbbox(), minimum)
def cropMargin(self, power):
def cropMargin(self, power, minimum):
if self.fill != 'white':
tmptmg = self.image.convert(mode='L')
else:
tmptmg = ImageOps.invert(self.image.convert(mode='L'))
tmptmg = tmptmg.filter(ImageFilter.GaussianBlur(radius=3))
tmptmg = tmptmg.point(lambda x: (x >= 16 * power) and x)
self.image = self.image.crop(self.getBoundingBox(tmptmg)) if tmptmg.getbbox() else self.image
if tmptmg.getbbox():
self.maybeCrop(self.getBoundingBox(tmptmg), minimum)
class Cover: