Hello list, this MWE is a simplified version of a real case: \startuseMPgraphic{cell:triangle} path p ; p := unittriangle rotated 90 xscaled 2.5 OverlayWidth yscaled 2.5 OverlayHeight ; draw p withcolor red ; \stopuseMPgraphic \defineoverlay[triangle][{\uniqueMPgraphic{cell:triangle}}] \starttext \bTABLE[frame=off] \bTR \bTD[nx=2,background=triangle,align=middle] \dontleavehmode a\crlf text \eTD \eTR \bTR[toffset=1mm] \bTD left \eTD \bTD right \eTD \eTR \eTABLE \stoptext The triangle is used as background of the 2-column wide cell of the first row. I want the triangle to go around the second row too, as if it were a frame for all the 3 cells. It means that it should be shifted down a bit. So I tried this: \startuseMPgraphic{cell:triangle} path p ; p := unittriangle rotated 90 xscaled 2.5 OverlayWidth yscaled 2.5 OverlayHeight ; draw p shifted (0,-3mm) withcolor red ; \stopuseMPgraphic ... but it does not work, because the content of the background is centered on the cell, so "shifted (0,-3mm)" has no effect. The only solution I found is drawing something above the triangle with a neutral color, so that the whole background is centered in the cell and the red triangle goes down: \startuseMPgraphic{cell:triangle} path p ; p := unittriangle rotated 90 xscaled 2.5 OverlayWidth yscaled 2.5 OverlayHeight ; fill p shifted (0,6mm) withcolor white ; % only to move the next one down draw p withcolor red ; \stopuseMPgraphic \defineoverlay[triangle][{\uniqueMPgraphic{cell:triangle}}] \starttext \bTABLE[frame=off] \bTR \bTD[nx=2,background=triangle,align=middle] \dontleavehmode a\crlf text \eTD \eTR \bTR[toffset=1mm] \bTD left \eTD \bTD right \eTD \eTR \eTABLE \stoptext It's a dirty trick. I'm sure there's a cleaner way. Does anybody know it? Thanks, Massi
On 4/11/2020 4:15 PM, mf wrote:
Hello list, this MWE is a simplified version of a real case:
\startuseMPgraphic{cell:triangle} path p ; p := unittriangle rotated 90 xscaled 2.5 OverlayWidth yscaled 2.5 OverlayHeight ; draw p withcolor red ; \stopuseMPgraphic \defineoverlay[triangle][{\uniqueMPgraphic{cell:triangle}}] \starttext \bTABLE[frame=off] \bTR \bTD[nx=2,background=triangle,align=middle] \dontleavehmode a\crlf text \eTD \eTR \bTR[toffset=1mm] \bTD left \eTD \bTD right \eTD \eTR \eTABLE \stoptext here's a very ugly solution
\startuseMPgraphic{cell:triangle} fill llcorner OverlayBox -- lrcorner OverlayBox -- (center bottomboundary OverlayBox shifted (0,\MPy{foo:2}-\MPh{foo:2}+\MPd{foo:2}-\MPy{foo:1})) -- cycle withcolor red ; setbounds currentpicture to OverlayBox ; \stopuseMPgraphic \defineoverlay[triangle][{\uniqueMPgraphic{cell:triangle}}] \starttext \bTABLE[frame=off] \bTR \bTD[nx=2,align=middle,height=0pt,background=triangle]\xypos{foo:1}\eTD \eTR \bTR \bTD[nx=2,align=middle] \dontleavehmode a\crlf text \eTD \eTR \bTR[toffset=1mm] \bTD \hpos{foo:2}{\strut} left \eTD \bTD right \eTD \eTR \eTABLE \stoptext it is probably possible to get some info otherwise (more efficient) if really needed (if we add some helpers) Hans ----------------------------------------------------------------- Hans Hagen | PRAGMA ADE Ridderstraat 27 | 8061 GH Hasselt | The Netherlands tel: 038 477 53 69 | www.pragma-ade.nl | www.pragma-pod.nl -----------------------------------------------------------------
Hans Hagen schrieb am 11.04.2020 um 19:41:
On 4/11/2020 4:15 PM, mf wrote:
Hello list, this MWE is a simplified version of a real case:
\startuseMPgraphic{cell:triangle} path p ; p := unittriangle rotated 90 xscaled 2.5 OverlayWidth yscaled 2.5 OverlayHeight ; draw p withcolor red ; \stopuseMPgraphic \defineoverlay[triangle][{\uniqueMPgraphic{cell:triangle}}] \starttext \bTABLE[frame=off] \bTR \bTD[nx=2,background=triangle,align=middle] \dontleavehmode a\crlf text \eTD \eTR \bTR[toffset=1mm] \bTD left \eTD \bTD right \eTD \eTR \eTABLE \stoptext here's a very ugly solution
\startuseMPgraphic{cell:triangle} fill llcorner OverlayBox -- lrcorner OverlayBox -- (center bottomboundary OverlayBox shifted (0,\MPy{foo:2}-\MPh{foo:2}+\MPd{foo:2}-\MPy{foo:1})) -- cycle withcolor red ; setbounds currentpicture to OverlayBox ; \stopuseMPgraphic
\defineoverlay[triangle][{\uniqueMPgraphic{cell:triangle}}]
\starttext
\bTABLE[frame=off] \bTR
\bTD[nx=2,align=middle,height=0pt,background=triangle]\xypos{foo:1}\eTD \eTR \bTR \bTD[nx=2,align=middle] \dontleavehmode a\crlf text \eTD \eTR \bTR[toffset=1mm] \bTD \hpos{foo:2}{\strut} left \eTD \bTD right \eTD \eTR \eTABLE
\stoptext
it is probably possible to get some info otherwise (more efficient) if really needed (if we add some helpers)
Simpler, put the table in a frame. \startuseMPgraphic{cell:triangle} draw llcorner OverlayBox -- lrcorner OverlayBox -- center topboundary OverlayBox -- cycle withcolor red ; \stopuseMPgraphic \defineoverlay[triangle][{\uniqueMPgraphic{cell:triangle}}] \starttext \startframed[frame=off,offset=1ex,loffset=2ex,roffset=2ex,toffset=2ex,background=triangle] \bTABLE[frame=off] \bTR \bTD[nx=2,align=middle] a\crlf text \eTD \eTR \bTR[toffset=1mm] \bTD left \eTD \bTD right \eTD \eTR \eTABLE \stopframed \stoptext Wolfgang
Thanks Hans and Wolfgang. @Wolfgang: your solution is clearer, but unfortunately it works only for this MWE. In the real case the triangle extends over 2 rows, but the table has more than 2 rows. I tried grouping the first two rows in a \bTABLEbody[background=triangle], but it doesn't work. @both: \setupoverlay[hoffset=...,voffset=...]? \setupframed[backgroundhoffset=...,backgroundvoffset=...] (\bTD inherits from \framed)? Or maybe a method in MP to set the bounding box of the resulting overlay? \setupframed has already a backgroundoffset option, whose value can be: - a DIMENSION (an offset that is both horizontal and vertical) - a "frame": what does it mean? (I looked into pack-rul.mkiv, with no results) Massi Il 11/04/20 20:11, Wolfgang Schuster ha scritto:
Hans Hagen schrieb am 11.04.2020 um 19:41:
On 4/11/2020 4:15 PM, mf wrote:
Hello list, this MWE is a simplified version of a real case:
\startuseMPgraphic{cell:triangle} path p ; p := unittriangle rotated 90 xscaled 2.5 OverlayWidth yscaled 2.5 OverlayHeight ; draw p withcolor red ; \stopuseMPgraphic \defineoverlay[triangle][{\uniqueMPgraphic{cell:triangle}}] \starttext \bTABLE[frame=off] \bTR \bTD[nx=2,background=triangle,align=middle] \dontleavehmode a\crlf text \eTD \eTR \bTR[toffset=1mm] \bTD left \eTD \bTD right \eTD \eTR \eTABLE \stoptext here's a very ugly solution
\startuseMPgraphic{cell:triangle} fill llcorner OverlayBox -- lrcorner OverlayBox -- (center bottomboundary OverlayBox shifted (0,\MPy{foo:2}-\MPh{foo:2}+\MPd{foo:2}-\MPy{foo:1})) -- cycle withcolor red ; setbounds currentpicture to OverlayBox ; \stopuseMPgraphic
\defineoverlay[triangle][{\uniqueMPgraphic{cell:triangle}}]
\starttext
\bTABLE[frame=off] \bTR \bTD[nx=2,align=middle,height=0pt,background=triangle]\xypos{foo:1}\eTD \eTR \bTR \bTD[nx=2,align=middle] \dontleavehmode a\crlf text \eTD \eTR \bTR[toffset=1mm] \bTD \hpos{foo:2}{\strut} left \eTD \bTD right \eTD \eTR \eTABLE
\stoptext
it is probably possible to get some info otherwise (more efficient) if really needed (if we add some helpers)
Simpler, put the table in a frame.
\startuseMPgraphic{cell:triangle} draw llcorner OverlayBox -- lrcorner OverlayBox -- center topboundary OverlayBox -- cycle withcolor red ; \stopuseMPgraphic
\defineoverlay[triangle][{\uniqueMPgraphic{cell:triangle}}]
\starttext
\startframed[frame=off,offset=1ex,loffset=2ex,roffset=2ex,toffset=2ex,background=triangle]
\bTABLE[frame=off] \bTR \bTD[nx=2,align=middle] a\crlf text \eTD \eTR \bTR[toffset=1mm] \bTD left \eTD \bTD right \eTD \eTR \eTABLE \stopframed
\stoptext
Wolfgang
mf schrieb am 11.04.2020 um 23:59:
Thanks Hans and Wolfgang.
@Wolfgang: your solution is clearer, but unfortunately it works only for this MWE. In the real case the triangle extends over 2 rows, but the table has more than 2 rows. I tried grouping the first two rows in a \bTABLEbody[background=triangle], but it doesn't work.
How about nested tables: \starttext \bTABLE[width=1cm,height=1cm] \bTR \bTD A \eTD \bTD B \eTD \bTD C \eTD \bTD E \eTD \eTR \bTR \bTD E \eTD \bTD[nc=2,nr=2,strut=no,align={middle,lohi}] {\bTABLE \bTR \bTD[nc=2] X \eTD \eTR \bTR \bTD Y \eTD \bTD Z \eTD \eTR \eTABLE} \eTD \bTD H \eTD \eTR \bTR \bTD I \eTD \bTD L \eTD \eTR \bTR \bTD M \eTD \bTD N \eTD \bTD O \eTD \bTD P \eTD \eTR \eTABLE \stoptext
@both: \setupoverlay[hoffset=...,voffset=...]? \setupframed[backgroundhoffset=...,backgroundvoffset=...] (\bTD inherits from \framed)? Or maybe a method in MP to set the bounding box of the resulting overlay?
setbounds in combination with leftenlarged, topenlarged etc.
\setupframed has already a backgroundoffset option, whose value can be:
- a DIMENSION (an offset that is both horizontal and vertical)
- a "frame": what does it mean? (I looked into pack-rul.mkiv, with no results)
ConTeXt uses the value from the frameoffset key for backgroundoffset. \startuseMPgraphic{frameborder} draw OverlayBox withcolor blue ; \stopuseMPgraphic \defineoverlay[frameborder][\useMPgraphic{frameborder}] \setupheader[state=high] \setupfooter[state=high] \starttext \setupframed [width=4cm, height=4cm, offset=1cm] \framed{} \framed[frame=off,background=frameborder]{} \framed[frameoffset=-5mm]{} \framed[frameoffset=-5mm,frame=off,background=frameborder]{} \framed[backgroundoffset=-5mm,frame=off,background=frameborder]{} \framed[frameoffset=-5mm,backgroundoffset=frame,frame=off,background=frameborder]{} \stoptext Wolfgang
Or maybe a method in MP to set the bounding box of the resulting overlay?
setbounds in combination with leftenlarged, topenlarged etc.
Thanks Wolfgang, this is the kind of solution I was looking for: \startuseMPgraphic{cell:triangle} path p ; p := unittriangle rotated 90 xscaled 2.5 OverlayWidth yscaled 2.5 OverlayHeight ; draw p withcolor red ; setbounds currentpicture to p topenlarged 6mm ; \stopuseMPgraphic \defineoverlay[triangle][{\uniqueMPgraphic{cell:triangle}}] \starttext \bTABLE[frame=off] \bTR \bTD[nx=2,align=middle,background=triangle] \dontleavehmode a\crlf text \eTD \eTR \bTR[toffset=1mm] \bTD left \eTD \bTD right \eTD \eTR \bTR \bTD another \eTD \bTD row \eTD \eTR \eTABLE \stoptext Thanks also for the explanation of backgroundoffset: it's an offset relative only to the background, and it moves in the opposite direction of the content offset of \framed. Looks like \framed[...,offset=VALUE,backgroundoffset=frame,...] is equivalent to \framed[...,offset=VALUE,backgroundoffset=-VALUE,...]. I tried to add something to the WIKI to show how it works, but the previews I got were not consistent with what I'm obtaining on my PC (with LMTX and "context --luatex"), so I gave up. Massi
mf schrieb am 13.04.2020 um 17:21:
Thanks also for the explanation of backgroundoffset: it's an offset relative only to the background, and it moves in the opposite direction of the content offset of \framed.
Looks like \framed[...,offset=VALUE,backgroundoffset=frame,...] is equivalent to \framed[...,offset=VALUE,backgroundoffset=-VALUE,...].
I tried to add something to the WIKI to show how it works, but the previews I got were not consistent with what I'm obtaining on my PC (with LMTX and "context --luatex"), so I gave up.
When you use "backgroundoffset=frame" you have to change the value for "frameoffset" to get a result because "backgroundoffset" uses now the "frameoffset" value. Wolfgang
participants (3)
-
Hans Hagen -
mf -
Wolfgang Schuster