Kozea/WeasyPrint
1
1
Fork 0
mirror of https://github.com/Kozea/WeasyPrint.git synced 2024-10-05 16:37:47 +03:00
Code Issues Projects Releases Wiki Activity

Run color inversion logic code when image instance is created

Browse Source 
The attribute name is more readable this way.
This commit is contained in:
Guillaume Ayoub 2024-06-08 21:57:54 +02:00
parent 4ce48a4214
commit 1efe1b6b0a
1 changed files with 8 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
weasyprint/images.py
View File

@ -66,7 +66,12 @@ class RasterImage:
self.height = pillow_image.height
self.ratio = (self.width / self.height) if self.height != 0 else inf
self.optimize = optimize = options['optimize_images']
self.app14 = getattr(original_pillow_image, 'app', {}).get('APP14')
# The presence of the APP14 segment indicates an Adobe image with
# inverted CMYK data. Specify a Decode Array to invert it again back to
# normal. See https://github.com/Kozea/WeasyPrint/pull/2179.
app14 = getattr(original_pillow_image, 'app', {}).get('APP14')
self.invert_colors = self.mode == 'CMYK' and app14 is not None
if pillow_image.format in ('JPEG', 'MPO'):
self.format = 'JPEG'
@ -151,11 +156,8 @@ class RasterImage:
})
if self.format == 'JPEG':
if self.mode == 'CMYK' and self.app14 is not None:
# The presence of the APP14 segment indicates an Adobe image
# with inverted CMYK data. Specify a Decode Array to invert
# it again back to normal.
extra['Decode'] = '[1 0 1 0 1 0 1 0]'
if self.invert_colors:
extra['Decode'] = pydyf.Array((1, 0) * 4)
extra['Filter'] = '/DCTDecode'
return pydyf.Stream([self.image_data], extra)