Bug#598437: No GhostScript pngalpha output, cannot render raw PostScript

2010-10-01 Thread Jan-Åke Larsson
On 2010-09-30 10:38, Jan-Åke Larsson wrote: Seriously, hyperref is common enough to motivate an exception in just that case. I have made efforts to enable some of PSTricks and some of tikz. I'll think about it. In the mean time I'll add an option to switch off the raw PS rendering attempts. OK,

Bug#598437: No GhostScript pngalpha output, cannot render raw PostScript

2010-09-30 Thread Jan-Åke Larsson
On 2010-09-30 10:38, Jan-Åke Larsson wrote: In the mean time I'll add an option to switch off the raw PS rendering attempts. Come to think of it, forcing palette output would already have this effect. Use --palette /JÅ -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org

Bug#598437: No GhostScript pngalpha output, cannot render raw PostScript

2010-09-30 Thread Jan-Åke Larsson
On 2010-09-29 23:23, Anthony DeRobertis wrote: Well, its fine with me, but I'm not the one who'd have to maintain that list. Sounds like it'd be a pain, with the need for constant updates. I just switched my PNG generation to pstoimg, I'm sad to hear that :) which is actually faster (probabl

Bug#598437: No GhostScript pngalpha output, cannot render raw PostScript

2010-09-29 Thread Anthony DeRobertis
> The only real option is to start collecting a list of > non-output-producing OK-to-ignore PostScript snippets. Does this sound > good to you? Well, its fine with me, but I'm not the one who'd have to maintain that list. Sounds like it'd be a pain, with the need for constant updates. I just sw

Bug#598437: No GhostScript pngalpha output, cannot render raw PostScript

2010-09-29 Thread Jan-Åke Larsson
On 2010-09-29 17:40, Jan-Åke Larsson wrote: On 2010-09-29 17:00, Anthony DeRobertis wrote: It seems that turning on hyperref support in LyX causes this. I am attaching a fairly minimal testcase. Probably hyperlinks are introduced as small PostScript snippets that do not generate any image outp

Bug#598437: No GhostScript pngalpha output, cannot render raw PostScript

2010-09-29 Thread Jan-Åke Larsson
On 2010-09-29 17:00, Anthony DeRobertis wrote: If nothing else, this needs a better error message. It shouldn't complain about Ghostscript if it's just something dvipng doesn't support. I would have thought "cannot render raw PostScript" would be enough. The problem is that the error can also

Bug#598437: No GhostScript pngalpha output, cannot render raw PostScript

2010-09-29 Thread Anthony DeRobertis
This document used to work with dvipng. It is exported from LyX, so I suppose a new version of LyX could have changed something... Whatever it is, seems to happen many times per page. If nothing else, this needs a better error message. It shouldn't complain about Ghostscript if it's just something

Bug#598437: No GhostScript pngalpha output, cannot render raw PostScript

2010-09-29 Thread Jan-Åke Larsson
The clue here is "cannot render raw PostScript". Some packages like tikz and the like draw their images by using many PostScript \special snippets, and dvipng cannot handle these. Normal included EPS images get rendered because these do not mix in this manner. The principal problem is mixing s

Bug#598437: No GhostScript pngalpha output, cannot render raw PostScript

2010-09-28 Thread Anthony DeRobertis
Package: dvipng Version: 1.13-1 Severity: normal I get this message when processing a DVI and then, e.g., pictures do not show up in the output. Ghostscript definitely supports pngalpha, in fact the command line shown in -d 256 output works: gs -sDEVICE=pngalpha -r100x100 -dBATCH -dNOPAUSE -q -sO