Sorry for the late reply. > I cannot find anything about changing font colors in groff [...]
Recent versions of groff provide a two escapes and corresponding
requests to do that:
\m, .gcolor: Set the glyph colour.
\M, .fcolor: Set the colour of filled objects.
> This gives me an idea that it must be possible to change font color
> somehow.
Additionally to the above groff requests and escapes, you can directly
add PS commands with \X and \Y (and since yesterday with .device and
.devicem) to change colours.
> I need Dark blue and white (whit to showe on a dark background eps
> image).
To write in white you could say
\m[white]Here comes text written in white\m[]
The list of the predefined colours for the -Tps device can be found in
the file ps.tmac.
> Next two things about the background images. Ted did a long posting
> about it. Now I need a different background image on each page
> going all the way out to the borders of the page (26 pages like this
> it is going to bee a big ps file I guess) should it then be
>
> A string like this:
> \X'ps: import watermark.eps 0 0 594 765 594000 765000'
> on the top of each page?
Here is an example which shows how to scale and position an arbitrary
EPS image with a correct %%BoundingBox comment to completely cover an
A4 page.
.ds image /usr/local/share/ghostscript/8.53/examples/golfer.eps
.nr a4-height 29.7c
.nr a4-width 21.0c
.
.vpt 0 \" disable vertical traps
.mk top \" mark top position
.vs 0 \" make .sp directly produce absolute positions
.po 0 \" no left margin
.sp |29.7c \" go to lower left corner
.
.psbb \*[image] \" get bounding box values
.device ps: import \*[image] \
\n[llx] \n[lly] \n[urx] \n[ury] \
\n[a4-width] \n[a4-height]
.
.sp |\n[top]u
.po
.vs
.vpt 1
.
.ps 40
.vs 48
.gcolor red
This is some text
.br
written on top of a
.br
PS background image.
The attached EPS file shows the result.
Werner
absolute.ps
Description: PostScript document
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