diff options
Diffstat (limited to 'metapost/context/base/mpiv/mp-tool.mpiv')
| -rw-r--r-- | metapost/context/base/mpiv/mp-tool.mpiv | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/metapost/context/base/mpiv/mp-tool.mpiv b/metapost/context/base/mpiv/mp-tool.mpiv index 495900fa2..f41811413 100644 --- a/metapost/context/base/mpiv/mp-tool.mpiv +++ b/metapost/context/base/mpiv/mp-tool.mpiv @@ -2470,6 +2470,23 @@ primarydef p cornered c = endfor cycle) enddef ; +% Mikael Sundqvist came up with this one. We made it robust for points being too close +% for smoothing. + +primarydef p smoothcornered c = + ( begingroup ; + save cc ; + if not cycle p: (point 0 of p) -- fi + for i=1 upto length(p) : + hide (cc := min(c,arclength (subpath(i-1,i) of p)/2);) + (point i-1 of p) shifted (cc*(unitvector(point i of p - point i-1 of p))) -- + (point i of p) shifted (cc*(unitvector(point i-1 of p - point i of p))) .. + controls point i of p .. + endfor + if cycle p : cycle else : point 1 along p fi + endgroup ) +enddef ; + % cmyk color support % vardef cmyk(expr c,m,y,k) = % elsewhere @@ -3730,3 +3747,20 @@ vardef hatched(expr o) primary c = clip r_ to o; r_ enddef; + +% By Mikael Sundqvist, with a little evolution: + +numeric mfun_dash_on, mfun_dash_off ; + +primarydef p withdashes len = + hide ( + save l, t, n, m ; pair t ; + l := arclength p ; + t := paired(len) ; + m := xpart t + ypart t ; + n := l / (l div m) / m ; + mfun_dash_on := n * xpart t ; + mfun_dash_off := n * ypart t ; + ) + p dashed dashpattern (on mfun_dash_on off mfun_dash_off) +enddef ; |