Re: [Bug-AUCTeX] rel-0-9-1; Two speed issues

[Jan-Åke Larsson]

Ralf Stubner wrote:
> 2. Things like the pagesize option of the KOMA-Script classes or
>    hyperref insert specials into the DVI file. These seem to cause
>    dvipng to call GhostScript when the options '--picky --noghostscript'
>    (default in preview-latex) are used. This is much slower and IMO
>    unnecessary in this case. At the moment I am not using these two
>    options which helps a bit, though eg the embeded MetaPost file is not
>    displayed then.
>
> Any further info you need?

> Running `Preview-DviPNG' with ``dvipng _region_.dvi -o 
> "_region_.prv/tmp16068K2z/prev%03d.png" --bg 'rgb 1 0.980392 0.941176' --bd 
> 'rgb 0.705882 0.933333 0.705882' --bd 2 -D107 ''
> This is dvipng 1.5 Copyright 2002-2005 Jan-Åke Larsson
> [1dvipng warning: at (0,0) ignored header \special{!userdict 
> begin/preview-bop-level 0 def/bop-hook{/preview-bop-level dup load dup 0 
> le{/isls false def/vsize 792 def/hsize 612 def}if 1 add store}bind 
> def/eop-hook{/preview-bop-level dup load dup 0 gt{1 sub}if store}bind def end}.
> dvipng warning: at (0,0) ignored header \special{!userdict begin/bop-hook{preview-bop-level 
> 0 le{7{currentfile token not{stop}if 65781.76 div DVImag mul}repeat 72 add 72 2 copy 
> gt{exch}if 4 2 roll neg 2 copy lt{exch}if dup 0 gt{pop 0 exch}{exch dup 0 lt{pop 
> 0}if}ifelse 720 add exch 720 add 3 1 roll 4{5 -1 roll add 4 1 roll}repeat 
> <</PageSize[5 -1 roll 6 index sub 5 -1 roll 5 index sub]/PageOffset[7 -2 roll [1 1 
> dtransform exch]{0 ge{neg}if exch}forall]>>setpagedevice}if//bop-hook exec}bind def 
> end}.
> dvipng warning: at (0,0) unimplemented 
> \special{papersize=597.50793pt,845.04694pt}.
> ] [2<preview-test.1dvipng warning: Unable to convert ./preview-test.1 to PNG, 
> image will be left blank
> ] 

The papersize header, I can just ignore. At some point I may add an
option to make a red line around the "paper," but...

What format does preview-test.1 have? Apparently the inclusion is 
PSFILE=preview-test.1, but  it seems that gs does not handle it
gracefully, or needs some extra info to do the right thing.

/JÅ