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World: r3wp

[View] discuss view related issues

Henrik
13-Oct-2008
[8174]
Actually I rely fully on VID's coordinate system. SIZE-TEXT in PS 
is apparently only possible on the width of the text, not the height, 
which is why just I use VID instead. It seems to work fine, if we 
can live with integer positioning.
Anton
13-Oct-2008
[8175]
Mmm. The font rendering looks nicer.
Henrik
13-Oct-2008
[8176]
text wrapping is a different problem...
Anton
13-Oct-2008
[8177]
Ah yes, I see.
Henrik
13-Oct-2008
[8178]
Remembering from amacleod's multi-highlight problem, detecting where 
wraps are in a text box might be buried in some natives that we can't 
get to.
Anton
13-Oct-2008
[8179x2]
I solved that in caret-to-offset-patch.r

It behaves very very close to native (except efficiency), so should 
be usable for this situation.
http://anton.wildit.net.au/rebol/patch/caret-to-offset-patch.r
Henrik
13-Oct-2008
[8181]
thanks, I'll have a look
Anton
13-Oct-2008
[8182x2]
and the test file to do is test-caret-to-offset-patch.r
If you want to save yourself literally days of reverse engineering...
Henrik
13-Oct-2008
[8184]
so you essentially rebuild caret-to-offset as a mezzanine?
Anton
13-Oct-2008
[8185]
Yep, and offset-to-caret, too.
Henrik
13-Oct-2008
[8186]
Too deep for me to solve that tonight. However I've come this far:

http://rebol.hmkdesign.dk/files/vid-postscript2.png
Graham
13-Oct-2008
[8187]
if you track the font size, then you have the vertical size of the 
text.
Anton
14-Oct-2008
[8188x2]
Improving... How fast can it render the postscript ? Can you make 
it dynamic update ?
Graham, the relationship between font/size and lineheight is not 
so simple, unfortunately.
Graham
14-Oct-2008
[8190]
in postscript ...
Henrik
14-Oct-2008
[8191x3]
Anton, by far the slowest component is Ghostscript. Creating the 
postscript file is about as fast as an ordinary layout.
The advantage is that it's rendered from faces, not VID directly, 
so I assume this will work with RebGUI as well.
Anton, it takes about 2-5 seconds to create the render here
Graham
14-Oct-2008
[8194]
Henrik, what exactly are you doing?
Henrik
14-Oct-2008
[8195]
Graham, I'm creating postscript output from faces. That's all.
Graham
14-Oct-2008
[8196]
cool
Henrik
14-Oct-2008
[8197]
it works like TO-IMAGE.
Graham
14-Oct-2008
[8198]
so, for multiple pages?
Henrik
14-Oct-2008
[8199]
one page per layout
Graham
14-Oct-2008
[8200]
so, to produce the postscript from multiple layouts?
Henrik
14-Oct-2008
[8201]
foreach l layouts [to-postscript l]
Graham
14-Oct-2008
[8202]
so this produces a single page of postscript?
Henrik
14-Oct-2008
[8203x4]
each to-postscript call produces one single page.
that means if you have 4 pages, you create 4 separate layouts and 
call to-postscript 4 times.
but it's quite possible that I could deliver a block of layouts...
...to to-postscript to generate multiple pages in one go.
Graham
14-Oct-2008
[8207x2]
that's what I do at present ... I have a block of layouts
and then i generate a single page of postscript from all the layouts
Henrik
14-Oct-2008
[8209]
a single page from multiple layouts?
Graham
14-Oct-2008
[8210x4]
yes
no
one postscript file but multiple pages
inefficient to produce a single postscript file for each layout
Henrik
14-Oct-2008
[8214x2]
yes, true
I can upload it it you want to play with it.
Graham
14-Oct-2008
[8216x2]
sure ..
My method is because I have a single document that goes over many 
pages
Henrik
14-Oct-2008
[8218x2]
http://rebol.hmkdesign.dk/files/to-postscript.r
load Geomol's postscript.r first.
Graham
14-Oct-2008
[8220x2]
where is it?
this one ? http://hmkdesign.dk/rebol/postscript/postscript.r
Henrik
14-Oct-2008
[8222]
yes, that will be fine
Graham
14-Oct-2008
[8223]
neat