| Summary: | cairo 1.10.0 generates wrong PostScript for gray scale JPEG image. | ||
|---|---|---|---|
| Product: | cairo | Reporter: | Koji Otani <sho> |
| Component: | postscript backend | Assignee: | Adrian Johnson <ajohnson> |
| Status: | RESOLVED FIXED | QA Contact: | cairo-bugs mailing list <cairo-bugs> |
| Severity: | normal | ||
| Priority: | medium | ||
| Version: | 1.10.0 | ||
| Hardware: | All | ||
| OS: | Linux (All) | ||
| Whiteboard: | |||
| i915 platform: | i915 features: | ||
| Attachments: |
a PDF file cause this problem
a patch fix this problem |
||
Created attachment 40281 [details] [review] a patch fix this problem Committed to master: http://cgit.freedesktop.org/cairo/commit/?id=653ceb517fe756b042a3cf8322a36cbfe71ddbd8 Thanks for the patch. |
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Created attachment 40280 [details] a PDF file cause this problem On Fedora 14 Linux, I can't print a PDF includes Gray scale JPEG Image with evince. Evince uses libcairo to generate PostScript for printing. And I've found a generated PostScript was wrong. It includes following code. /DeviceGray setcolorspace 8 dict dup begin /ImageType 1 def /Width 180 def /Height 139 def /BitsPerComponent 8 def /Decode [ 0 1 0 1 0 1 ] def /DataSource currentfile /ASCII85Decode filter /DCTDecode filter def /ImageMatrix [ 1 0 0 -1 0 139 ] def end Number of elements in Decode array is wrong when colorspace is /DeviceGray. I attached a sample PDF and a patch to fix this problem.