Re: Natural Tables Cell Borders

[Curiouslearn <curiouslearn@gmail.com>]

Thanks very much Wolfgang. Will try to play with this during this week.



On Wed, Jan 6, 2010 at 6:54 AM, Wolfgang Schuster
<schuster.wolfgang@googlemail.com> wrote:
>
> Am 05.01.2010 um 04:02 schrieb Curiouslearn:
>
>> Thanks Wolfgang. I am not yet proficient enough in Metapost or Context
>> to understand your code. But will look at it more carefully later.
>>
>> Meanwhile, is there any further work going on on Natural Tables? Are
>> there plans to introduce the ability to have borders of different
>> thickness for the same cell through simple options.
>
>
> A TeX based solution won't be possible without Hans but you can set
> the values in TeX (\framed, \setupTABLE) and use them in MetaPost.
>
> The following example show you what can be done.
>
> \unprotect
>
> \startuseMPgraphic{tableborder}
>
> %linecap := butt ;
>
> numeric FrameOffset, LeftRuleThickness, RightRuleThickness, TopRuleThickness, BottomRuleThickness ;
>
> FrameOffset         := \frameddimension{frameoffset}         ;
> LeftRuleThickness   := \frameddimension{leftrulethickness}   ;
> RightRuleThickness  := \frameddimension{rightrulethickness}  ;
> TopRuleThickness    := \frameddimension{toprulethickness}    ;
> BottomRuleThickness := \frameddimension{bottomrulethickness} ;
>
> pair lt, rt, lb, rb ;
>
> lt = (FrameOffset/2,OverlayHeight-FrameOffset/2) ;
> rt = (OverlayWidth-FrameOffset/2,OverlayHeight-FrameOffset/2) ;
> lb = (FrameOffset/2,FrameOffset/2) ;
> rb = (OverlayWidth-FrameOffset/2,FrameOffset/2) ;
>
> draw lt--rt withpen pencircle scaled TopRuleThickness    ;
> draw lb--rb withpen pencircle scaled BottomRuleThickness ;
> draw lb--lt withpen pencircle scaled LeftRuleThickness   ;
> draw rb--rt withpen pencircle scaled RightRuleThickness  ;
>
> setbounds currentpicture to OverlayBox ;
>
> \stopuseMPgraphic
>
> \defineoverlay
>  [tableborder]
>  [%\edef\topframeparameter   {\framedparameter\c!topframe   }%
>   %\edef\bottomframeparameter{\framedparameter\c!bottomframe}%
>   %\edef\leftframeparameter  {\framedparameter\c!leftframe  }%
>   %\edef\rightframeparameter {\framedparameter\c!rightframe }%
>   \useMPgraphic{tableborder}]
>
> \setupTABLE
>  [   toprulethickness=\framedparameter{rulethickness},
>   bottomrulethickness=\framedparameter{rulethickness},
>     leftrulethickness=\framedparameter{rulethickness},
>    rightrulethickness=\framedparameter{rulethickness},
> %              topframe=on,
> %           bottomframe=on,
> %             leftframe=on,
> %            rightframe=on,
>            background=tableborder,
>                 frame=off]
>
> \protect
>
> \starttext
>
> \start
>
> \setupTABLE[y][1][bottomrulethickness=2pt]
> \setupTABLE[3][3][bottomrulethickness=2pt,rightrulethickness=2pt]
> \setupTABLE[1][3][bottomframe=off]
>
> \bTABLE
>    \bTR
>        \bTD 1 \eTD
>        \bTD 2 \eTD
>        \bTD 3 \eTD
>    \eTR
>    \bTR
>        \bTD 4 \eTD
>        \bTD 5 \eTD
>        \bTD 6 \eTD
>    \eTR
>    \bTR
>        \bTD 7 \eTD
>        \bTD 8 \eTD
>        \bTD 9 \eTD
>    \eTR
> \eTABLE
>
> \stop
>
> \stoptext
>
> Wolfgang
>
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