diff options
Diffstat (limited to 'metapost')
| -rw-r--r-- | metapost/context/base/mpxl/mp-apos.mpxl | 48 |
1 files changed, 38 insertions, 10 deletions
diff --git a/metapost/context/base/mpxl/mp-apos.mpxl b/metapost/context/base/mpxl/mp-apos.mpxl index 17b7abd92..05282e835 100644 --- a/metapost/context/base/mpxl/mp-apos.mpxl +++ b/metapost/context/base/mpxl/mp-apos.mpxl @@ -217,10 +217,12 @@ permanent def anch_box_arrows_draw = begingroup ; - save f, t, p, alternative, delta, dashtype, edge ; pair f, t ; path p ; string alternative ; + save f, t, p, alternative, delta, dashtype, edge, arrow, ff, tt ; + pair f, t, ff, tt ; path p ; string alternative, arrow ; dashtype := mpvarn("dashtype") ; delta := mpvard("distance"); alternative := mpvars("alternative") ; + arrow := mpvars("arrow") ; if positionx(mpvars("rightedge")) > 0 : if alternative = "left" : edge := positionx(mpvars("leftedge")); @@ -241,21 +243,38 @@ def anch_box_arrows_draw = else : f := positionxy(mpvars("from")) ; t := positionxy(mpvars("to")) ; +% drawdot f withpen pencircle scaled 2pt; +% drawdot t withpen pencircle scaled 2pt; +% if alternative = "bottom" : +% f := f yshifted (- abs(ypart f - ypart t)) ; +% elseif alternative = "top" : +% f := f yshifted (abs(ypart f - ypart t)) ; +% elseif alternative = "left" : +% f := f xshifted (- abs(xpart f - xpart t)) ; +% elseif alternative = "right" : +% f := f xshifted (abs(xpart f - xpart t)) ; +% fi ; + % + % if alternative = "bottom" : - f := f yshifted (- abs(ypart f - ypart t)) ; - p := (f -- (f yshifted -delta) -- (t yshifted -delta) -- t) ; +ff := (xpart f, min(ypart f, ypart t)); +tt := (xpart t, ypart ff); + p := (f -- (ff yshifted -delta) -- (tt yshifted -delta) -- t) ; draw thetextext.bot(mpvars("text"), (point .5 along p) yshifted -.25ExHeight) ; elseif alternative = "top" : - f := f yshifted (abs(ypart f - ypart t)) ; - p := (f -- (f yshifted delta) -- (t yshifted delta) -- t) ; +ff := (xpart f, max(ypart f, ypart t)); +tt := (xpart t, ypart ff); + p := (f -- (ff yshifted delta) -- (tt yshifted delta) -- t) ; draw thetextext.top(mpvars("text"), (point .5 along p) yshifted .25ExHeight) ; elseif alternative = "left" : - f := f xshifted (- abs(xpart f - xpart t)) ; - p := (f -- (f xshifted - delta) -- (t xshifted - delta) -- t) ; +ff := (min(xpart f, xpart t), ypart f); +tt := (xpart ff, ypart t); + p := (f -- (ff xshifted - delta) -- (tt xshifted - delta) -- t) ; draw thetextext.lft(mpvars("text"), (point .5 along p) xshifted -ExHeight) ; elseif alternative = "right" : - f := f xshifted (abs(xpart f - xpart t)) ; - p := (f -- (f xshifted delta) -- (t xshifted delta) -- t) ; +ff := (max(xpart f, xpart t), ypart f); +tt := (xpart ff, ypart t); + p := (f -- (ff xshifted delta) -- (tt xshifted delta) -- t) ; draw thetextext.rt(mpvars("text"), (point .5 along p) xshifted ExHeight) ; elseif alternative = "middle" : p := f -- t ; @@ -263,7 +282,16 @@ def anch_box_arrows_draw = fi ; fi ; % 1 = dashed, 2 = dashed with background - drawarrow p + if arrow ="no" : + draw + elseif arrow == "reverse" : + drawarrow reverse + elseif arrow == "both" : + drawdblarrow + else : + drawarrow + fi + p if dashtype == 1 : withdashes .5ExHeight fi |