allow palette PNG images with ICC profile (closes: #107)

3 years ago · 3d7e0e6812
parent b4c8aa1a5f
commit 3d7e0e6812
1 changed files with 3 additions and 1 deletions
--- a/src/img2pdf.py
+++ b/src/img2pdf.py
@ -823,7 +823,9 @@ class pdfdoc(object):
            elif color == Colorspace.CMYK or color == Colorspace["CMYK;I"]:
                iccpdict[PdfName.N] = 4
            elif color == Colorspace.P:
-                raise Exception("Cannot have Palette images with ICC profile")
+                # Only the png format can have an icc profile as well as a
+                # color palette. A png palette is always RGB.
+                iccpdict[PdfName.N] = 3
            colorspace = [PdfName.ICCBased, iccpdict]

        # either embed the whole jpeg or deflate the bitmap representation