At 04:11 PM 4/18/2002 +1000, you wrote:
>I would like to place a screen behind one cell of a table that I am
>using at the moment. Ideally, rounding the corners of this screen would
>also be possible, but I can live without that.
the most robust mechanism is bTABLE eTABLE which provides \framed features
behind each cell
>According to the comments in 'core-tbl.tex', color is to be done "as
>required". Is this accurate and, if so, is there no way to achieve
>this?
>
>Using \startbackrgound or \startframedtext both screw up the placement
>of the text in the cell in fairly dramatic ways, most of the time, and
>even when they work roughly right they only cover the text, not the full
>height of the cell...
If this works on your system, you can spend the rest of the day trying to
figure out what happens here:
\starttext
\setupcolors[state=start]
\definepositionframed[w][background=color,backgroundcolor=yellow]
\definepositionframed[x][background=color,backgroundcolor=red]
\definepositionframed[y][background=color,backgroundcolor=green]
\definepositionframed[z][background=color,corner=round,backgroundcolor=blue]
\starttabulate[|c|c|c|]
\NC this is a small \NC table \NC in which we \NC \FR
\NC will demonstrate \NC that this \NC positioning \NC \MR
\NC mechanism also \NC works quite well \NC in tables \NC \LR
\stoptabulate
\starttabulate[|c|c|c|]
\GFC[f:x] this is a small \GTC table \NC in which
we \NC \FR
\NC will demonstrate \GFC[g:z] that this \GTC[g]
positioning \NC \MR
\GSC[e:y] mechanism also \GTC[f] works quite well \NC in
tables \NC \LR
\stoptabulate
\starttabulate[|c|c|c|]
\GFC[f:x,d:w] this is a small \GTC[d] table \NC in which
we \NC \FR
\NC will demonstrate \GFC[g:z] that this \GTC[g]
positioning \NC \MR
\GSC[e:y] mechanism also \GTC[f] works quite well \NC in
tables \NC \LR
\stoptabulate
\starttabulate[|c|c|c|]
\XC[+f:x] this is a small \XC table \NC in which we
\NC \FR
\NC will demonstrate \XC[+g:z] that this \XC[-g] positioning
\NC \MR
\XC[=e:y] mechanism also \XC[-f] works quite well \NC in
tables \NC \LR
\stoptabulate
\starttabulate[|c|c|c|]
\XC[+f:x,+d:w] this is a small \XC[-d] table \NC in which
we \NC \FR
\NC will demonstrate \XC[+g:z] that this \XC[-g]
positioning \NC \MR
\XC[=e:y] mechanism also \XC[-f] works quite well \NC in
tables \NC \LR
\stoptabulate
\definepositionframed[x][background=color,backgroundcolor=red]
\definepositionframed[y][background=color,backgroundcolor=green]
\definepositionframed[z][background=color,backgroundcolor=blue]
\starttabulate[|c|c|c|]
\GFC[f:x] this is a small \NC table \NC in which we
\NC \FR
\NC will demonstrate \GFC[g:z] that this \GTC[g] positioning
\NC \MR
\GSC[e:y] mechanism also \GTC[f] works quite well \NC in
tables \NC \LR
\stoptabulate
\stoptext
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