src/img2pdf.py: also reject palette images with transparency

6 years ago · 53685934f9
parent ba5a9a1dfc
commit 53685934f9
1 changed files with 1 additions and 1 deletions
--- a/src/img2pdf.py
+++ b/src/img2pdf.py
@ -684,7 +684,7 @@ def get_imgmetadata(imgdata, imgformat, default_dpi, colorspace, rawdata=None):
        ndpi = (int(round(ndpi[0])), int(round(ndpi[1])))
        ics = imgdata.mode

-    if ics in ["LA", "PA", "RGBA"]:
+    if ics in ["LA", "PA", "RGBA"] or "transparency" in imgdata.info:
        logging.warning("Image contains transparency which cannot be retained "
                        "in PDF.")
        logging.warning("img2pdf will not perform a lossy operation.")