optimize: don't alter >8 bpc images

2018-05-11 22:31:24 -07:00
parent 7d0785e9ed
commit f86c4fccf4
1 changed files with 3 additions and 0 deletions
@@ -133,6 +133,9 @@ def extract_image(*, doc, pike, root, log, image, xref, jbig2s,
        return False
    filtdp = filtdps[0]

+    if bpc > 8:
+        return False  # Don't mess with wide gamut images
+
    if bpc == 1 and filtdp[0] != '/JBIG2Decode' and jbig2enc.available():
        if filtdp[0] == '/CCITTFaxDecode':
            data = image.read_raw_bytes()