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Bug 125438 - mangled display of Unicode chart PDFs
mangled display of Unicode chart PDFs
Status: RESOLVED DUPLICATE of bug 148362
Product: gpdf
Classification: Deprecated
Component: general
unspecified
Other Linux
: Normal normal
: ---
Assigned To: Martin Kretzschmar
Martin Kretzschmar
Depends on:
Blocks:
 
 
Reported: 2003-10-24 20:16 UTC by Zack Weinberg
Modified: 2004-12-22 21:47 UTC
See Also:
GNOME target: ---
GNOME version: ---

Attachments
problem PDF (126.88 KB, application/pdf)
2003-10-24 20:17 UTC, Zack Weinberg 		Details
bad rendering of page 2 by gpdf (57.82 KB, image/png)
2003-10-24 20:18 UTC, Zack Weinberg 		Details
good rendering of page 2 by ghostscript (gv frontend) (42.55 KB, image/png)
2003-10-24 20:18 UTC, Zack Weinberg 		Details

Description Zack Weinberg 2003-10-24 20:16:21 UTC 
gpdf does a particularly bad job rendering the Unicode Consortium's
code-chart reference PDFs.  Part of this, I think, is the known lack
of support for embedded fonts; however, that doesn't explain the black
smears produced by empty chart positions.

I will attach:

* one of the problem PDFs (showing U+2600 .. U+26FF)
* a screen shot of gpdf's rendering
* a screen shot of ghostscript's (correct) rendering.

The screen shots are of page 2 of the PDF.
Comment 1 Zack Weinberg 2003-10-24 20:17:30 UTC 
Created attachment 20925 [details]
problem PDF
Comment 2 Zack Weinberg 2003-10-24 20:18:03 UTC 
Created attachment 20926 [details]
bad rendering of page 2 by gpdf
Comment 3 Zack Weinberg 2003-10-24 20:18:35 UTC 
Created attachment 20927 [details]
good rendering of page 2 by ghostscript (gv frontend)
Comment 4 Martin Kretzschmar 2003-12-28 21:19:59 UTC 
Yep, and still (though differently) broken in 2003-12-28 cvs. Only
four glyphs are rendered. Broken implementation of font encodings in
gpdf, I think.

And the page's rendering takes _ages_. (And not even the gs rendering
is correct, unless anti-aliasing is turned off)
Comment 5 Martin Kretzschmar 2004-07-24 19:57:52 UTC 
Should work in CVS HEAD now.

*** This bug has been marked as a duplicate of 148362 ***