optimize: skip incremental images if any

These are fairly rare
2018-06-24 00:18:48 -07:00
parent b9dc109892
commit 434b96d734
1 changed files with 2 additions and 0 deletions
@@ -141,6 +141,8 @@ def extract_images(pike, root, log, options):
        except AttributeError:
            continue
        for imname, image in dict(xobjs).items():
+            if image.objgen[1] != 0:
+                continue  # Ignore images in an incremental PDF
            xref = image.objgen[0]
            if xref in changed_xrefs:
                continue  # Don't improve same image twice