About "A Taste of Smalltalk"
Jason Rogers
jacaetevha at fast-mail.org
Fri Oct 4 20:49:21 UTC 2002
Great! Count me out... :)
=jason
[:question | ^One]
> -----Original Message-----
> From: squeak-dev-admin at lists.squeakfoundation.org
> [mailto:squeak-dev-admin at lists.squeakfoundation.org] On
> Behalf Of Bert Freudenberg
> Sent: Friday, October 04, 2002 3:57 PM
> To: squeak-dev at lists.squeakfoundation.org
> Subject: RE: About "A Taste of Smalltalk"
>
>
> On Fri, 4 Oct 2002, Jason Rogers wrote:
>
> > That's a pretty laborious process though. Is there any
> good way to
> > automate the cropping?
>
> Of course. I use pnmtools all the time. They do an
> incredible job at this kind of stuff. Typing a command
> line to convert some images takes a lot less time than to
> start The Gimp, at least on my machine. Here's a simple
> command line to convert all jpeg images in a directory to
> postscript, converting everything to pure black/white (to
> save space) and cropping 100 pixels around:
>
> for f in *.jpg ; do djpeg $f|ppmtopgm|pgmtopbm
> -threshold|pnmcut -left 100 -right -100 -top 100 -bottom
> -100 | pnmtops -noturn >
> `basename $f .jpg`.ps ; done
>
> You could throw in some other nifty stuff like (-scale option for
> pnmtops), automatic removal of all white border (pnmcrop).
>
> This can also easily be followed by
>
> cat *.ps > t.ps
> ps2pdf t.ps
>
> Doing this for t000.jpg to t028.jpg (downloaded per wget)
> results in a 1 MB PDF, which is not too bad at 30 k/page,
> IMO. See http://isgwww.cs.uni-magdeburg.de/~bert/t.pdf
>
> -- Bert
>
>
>
>
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