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Code Issues Releases Wiki Activity

Yet another Last™ update of margin color detection algorithm

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This commit is contained in:
Paweł Jastrzębski
2014-01-11 16:31:49 +01:00
parent 34aaeab8b1
commit def9e42a61
2 changed files with 22 additions and 34 deletions
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2
kcc/comic2ebook.py
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@@ -333,7 +333,7 @@ def getImageFileName(imgfile):
def applyImgOptimization(img, opt, hqImage=None):
if not img.fill:
img.getImageFill()
img.getImageFill(opt.webtoon)
if not opt.webtoon:
img.cropWhiteSpace(10.0)
if opt.cutpagenumbers and not opt.webtoon:

54
kcc/image.py
View File

@@ -408,47 +408,35 @@ class ComicPage:
RBGW.append(histogram[i] + histogram[256 + i] + histogram[512 + i])
white = 0
black = 0
for i in range(253, 256):
for i in range(251, 256):
white += RBGW[i]
for i in range(3):
for i in range(5):
black += RBGW[i]
if black > pixelCount*0.5 and white == 0:
if black > pixelCount*0.8 and white == 0:
return 1
elif white > pixelCount*0.5 and black == 0:
elif white > pixelCount*0.8 and black == 0:
return -1
else:
return False
def getImageFill(self):
def getImageFill(self, webtoon):
fill = 0
# Search for horizontal solid lines
startY = 0
stopY = 4
searching = True
while stopY <= self.image.size[1]:
checkSolid = self.getImageHistogram(self.image.crop((0, startY, self.image.size[0], stopY)))
if checkSolid:
fill += checkSolid
startY = stopY + 1
stopY = startY + 4
if stopY > self.image.size[1] and searching:
startY = self.image.size[1] - 4
stopY = self.image.size[1]
searching = False
# Search for vertical solid lines
startX = 0
stopX = 4
searching = True
while stopX <= self.image.size[0]:
checkSolid = self.getImageHistogram(self.image.crop((startX, 0, stopX, self.image.size[1])))
if checkSolid:
fill += checkSolid
startX = stopX + 1
stopX = startX + 4
if stopX > self.image.size[0] and searching:
startX = self.image.size[0] - 4
stopX = self.image.size[0]
searching = False
if not webtoon and not self.rotated:
# Search for horizontal solid lines
startY = 0
while startY < self.image.size[1]:
checkSolid = self.getImageHistogram(self.image.crop((0, startY, self.image.size[0], startY+1)))
if checkSolid:
fill += checkSolid
startY += 1
else:
# Search for vertical solid lines
startX = 0
while startX < self.image.size[0]:
checkSolid = self.getImageHistogram(self.image.crop((startX, 0, startX+1, self.image.size[1])))
if checkSolid:
fill += checkSolid
startX += 1
if fill > 0:
self.fill = 'black'
else: