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Code Issues Releases Wiki Activity

reduce rainbow checkbox (#824)

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Alex Xu
2025-02-09 19:10:56 -08:00
committed by GitHub
parent 2b550b8b98
commit 3d4fae62d8
7 changed files with 250 additions and 216 deletions
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8
kindlecomicconverter/image.py
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@@ -341,6 +341,14 @@ class ComicPage:
# Quantize is deprecated but new function call it internally anyway...
self.image = self.image.quantize(palette=palImg)
def optimizeForDisplay(self, reducerainbow):
# Reduce rainbow artifacts for grayscale images by breaking up dither patterns that cause Moire interference with color filter array
if reducerainbow and not self.color:
unsharpFilter = ImageFilter.UnsharpMask(radius=1, percent=100)
self.image = self.image.filter(unsharpFilter)
self.image = self.image.filter(ImageFilter.BoxBlur(1.0))
self.image = self.image.filter(unsharpFilter)
def resizeImage(self):
# kindle scribe conversion to mobi is limited in resolution by kindlegen, same with send to kindle and epub
if self.kindle_scribe_azw3: