At 10:32 AM 11/14/2001 +0100, Christopher Creutzig wrote:
>enough of supp-pdf.tex for this. Right now, we are using the
>postscript commands
>
>findfont
>scalefont
>setfont
>setlinecap
>setlinejoin
>translate
>scale
>setlinewidth
>arc (only used for full circles)
>closepath
>fill
>gsave
>grestore
>lineto
>moveto
>newpath
>setrgbcolor
>stroke
>setdash
>
> Of these, I do not find the font commands, arc in supp-pdf.tex and instead
what is the spec of arc? do you need that one or can you map it; i store
paths in 6 point sets; how is arc used?
I may consider providing a hook for such extensions.
One thing to keep in mind is that supp-pdf catches some special mp things
like pen-stroked paths
do you have an example?
>of setlinewidth, some dtransform command I did not meet before. I did
>find the comments on the latter in the tex file -- is there some way
>to use setlinewidth directly or should I change our code to emit the
i have no problems with supporting setlinewidth directly
>more verbose form listed in supp-pdf.tex? arc probably needs to be
>replaced by an equivalent curveto command, right? As for the font
>commands, they need to be replaced by fshow, correct?
not per se, if i know the syntax and what to expect ... of course the file
should be made known to tex somehow
> We use these commands with floating-point arguments. Would you
>expect any problems with supp-pdf.tex?
no, since mp used floating point too; but there are some constraints to the
maximum size and small sizes can get rounding errors although this only
counts in penstrokes.
So, how does such a file look like?
Hans
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