diff options
Diffstat (limited to 'metapost/context/base/mpxl/mp-lmtx.mpxl')
| -rw-r--r-- | metapost/context/base/mpxl/mp-lmtx.mpxl | 90 |
1 files changed, 84 insertions, 6 deletions
diff --git a/metapost/context/base/mpxl/mp-lmtx.mpxl b/metapost/context/base/mpxl/mp-lmtx.mpxl index f8ee2032a..d689f7355 100644 --- a/metapost/context/base/mpxl/mp-lmtx.mpxl +++ b/metapost/context/base/mpxl/mp-lmtx.mpxl @@ -1049,11 +1049,13 @@ presetparameters "chart" [ ] ; presetparameters "chart:circle" "chart" [ - height = 5cm, - width = 5mm, - labelanchor = "", - labeloffset = 0, - labelstrut = "no", + height = 5cm, + width = 5mm, + innerradius = 0, + initialangle = 0, % -90 == top + labelanchor = "", + labeloffset = 0, + labelstrut = "no", ] ; presetparameters "chart:histogram" "chart" [ @@ -1183,8 +1185,12 @@ vardef lmt_do_chart_circle = for i = 1 upto nofsamples : fillcolor := getparameter "fillcolors" i ; value := (getparameter "samples" (1) i) * factor ; - last := first + (360 / 100) * value ; + last := first + (360/100) * value ; s[i] := ((p cutbefore (r rotated first)) cutafter (r rotated last)) ; + % fill + % (if innerradius > 0 : reverse (s[i] scaled innerradius) else : origin fi) -- s[i] -- cycle + % withcolor fillcolor + % ; fill origin -- s[i] -- cycle withcolor fillcolor ; first := last ; endfor ; @@ -1213,6 +1219,78 @@ vardef lmt_do_chart_circle = if n > 0 : fill fullcircle scaled n withcolor "white" ; fi ; + n := getparameter "innerradius" ; + if n > 0 : + fill fullcircle scaled n withcolor "white" ; + fi ; + fi ; + lmt_do_chart_stop ; + ) +enddef ; + +vardef lmt_do_chart_circle = + image ( + lmt_do_chart_start("chart:circle") ; + if (nofsamplesets > 0) and (nofsamples > 0) : + nofsamplesets := 1 ; + save p, r, s, first, last, total, factor, n, percentage, initial, clockwise ; + path p, r, s[] ; boolean percentage, clockwise ; + clockwise := true ; + percentage := getparameter "percentage" ; + initial := if not clockwise : - fi getparameter "initialangle" ; % watch sign + total := 0 ; + for i = 1 upto nofsamples : + total := total + getparameter "samples" (1) i ; % () is needed else 1i + endfor ; + factor := 100/total ; + first := initial ; + if clockwise : + p := (reverse fullcircle rotated first) ysized (height) ; + else : + p := fullcircle ysized (height) ; + fi ; + r := origin -- (2*height,0) ; + for i = 1 upto nofsamples : + fillcolor := getparameter "fillcolors" i ; + value := (getparameter "samples" (1) i) * factor ; + last := first if clockwise : - else : + fi (360/100) * value ; + s[i] := ((p cutbefore (r rotated first)) cutafter (r rotated last)) ; + % fill + % (if innerradius > 0 : reverse (s[i] scaled innerradius) else : origin fi) -- s[i] -- cycle + % withcolor fillcolor + % ; + fill origin -- s[i] -- cycle withcolor fillcolor ; + first := last ; + endfor ; + if linewidth > 0 : + if drawcolor = "" : + drawcolor := backgroundcolor ; + fi ; + for i = 1 upto nofsamples : + interim linecap := butt ; + draw origin -- (point 0 of s[i]) withpen pencircle scaled linewidth withcolor drawcolor ; + draw origin -- (point length(s[i]) of s[i]) withpen pencircle scaled linewidth withcolor drawcolor ; + endfor ; + fi ; + if getparameter "showlabels" : + first := initial ; + for i = 1 upto nofsamples : + value := getparameter "samples" (1) i ; + last := first if clockwise : - else : + fi (360/100) * value * factor ; + draw lmt_do_chart_text (s,i,value) + shifted ((labelfraction*(height/2),0) rotated ((first+last)/2)) ; + first := last ; + endfor ; + fi ; + lmt_do_chart_legend ; + n := getparameter "originsize" ; + if n > 0 : + fill fullcircle scaled n withcolor "white" ; + fi ; + n := getparameter "innerradius" ; + if n > 0 : + fill fullcircle scaled n withcolor "white" ; + fi ; fi ; lmt_do_chart_stop ; ) |