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Code Issues Releases Wiki Activity

comic2panel: Detection of corrupted files

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This commit is contained in:
Paweł Jastrzębski
2013-08-16 19:25:26 +02:00
parent 61c0b691ab
commit 6eaf8cc374
1 changed files with 41 additions and 12 deletions
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53
kcc/comic2panel.py
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@@ -70,16 +70,23 @@ def getImageHistogram(image):
return True
def getImageFill(image):
def getImageFill(image, y):
imageSize = image.size
imageT = image.crop((0, 0, imageSize[0], 1))
imageB = image.crop((0, imageSize[1]-1, imageSize[0], imageSize[1]))
imageT = getImageHistogram(imageT)
imageB = getImageHistogram(imageB)
if imageT or imageB:
return 'KCCFB'
else:
image = image.crop((0, 0, imageSize[0], y))
histogram = image.histogram()
RBGW = []
for i in range(256):
RBGW.append(histogram[i] + histogram[256 + i] + histogram[512 + i])
white = 0
black = 0
for i in range(245, 256):
white += RBGW[i]
for i in range(11):
black += RBGW[i]
if white > black:
return 'KCCFW'
else:
return 'KCCFB'
def sanitizePanelSize(panel, options):
@@ -124,18 +131,36 @@ def splitImage(work):
print ".",
splitImage.queue.put(".")
fileExpanded = os.path.splitext(name)
image = Image.open(os.path.join(path, name))
filePath = os.path.join(path, name)
# Detect corrupted files
try:
image = Image.open(filePath)
except IOError:
raise RuntimeError('Cannot read image file %s' % filePath)
try:
image = Image.open(filePath)
image.verify()
except:
raise RuntimeError('Image file %s is corrupted' % filePath)
try:
image = Image.open(filePath)
image.load()
except:
raise RuntimeError('Image file %s is corrupted' % filePath)
image = Image.open(filePath)
image = image.convert('RGB')
widthImg, heightImg = image.size
if heightImg > options.height:
if options.debug:
from PIL import ImageDraw
debugImage = Image.open(os.path.join(path, name))
debugImage = Image.open(filePath)
draw = ImageDraw.Draw(debugImage)
# Find panels
y1 = 0
y2 = 15
fillDataNeeded = True
yFill = 1
panels = []
while y2 < heightImg:
while ImageStat.Stat(image.crop([0, y1, widthImg, y2])).var[0] < threshold and y2 < heightImg:
@@ -153,10 +178,14 @@ def splitImage(work):
draw.line([(0, y2Temp), (widthImg, y2Temp)], fill=(255, 0, 0))
panelHeight = y2Temp - y1Temp
if y2Temp < heightImg:
if fillDataNeeded:
fillDataNeeded = False
yFill = y1Temp
# Panels that can't be cut nicely will be forcefully splitted
panelsCleaned = sanitizePanelSize([y1Temp, y2Temp, panelHeight], options)
for panel in panelsCleaned:
panels.append(panel)
fill = getImageFill(image, yFill)
if options.debug:
# noinspection PyUnboundLocalVariable
debugImage.save(os.path.join(path, fileExpanded[0] + '-debug.png'), 'PNG')
@@ -194,9 +223,9 @@ def splitImage(work):
newPage.paste(panelImg, (0, targetHeight))
targetHeight += panels[panel][2]
newPage.save(os.path.join(path, fileExpanded[0] + '-' +
str(pageNumber) + '-' + getImageFill(newPage) + '.png'), 'PNG')
str(pageNumber) + '-' + fill + '.png'), 'PNG')
pageNumber += 1
os.remove(os.path.join(path, name))
os.remove(filePath)
def Copyright():