dev/latex/sources_MetaPost/bc-loupe.mp

   1 prologues := 1;
   2 outputtemplate:="%j.mps";
   3 beginfig(1);
   4 linecap := butt;
   5 linejoin := mitered;
   6 fill (49.531300,19.031300)..controls (41.386700,19.031300) and (33.730499,22.199200)..(27.972700,27.960899)
   7     ..controls (22.214800,33.718800) and (19.042999,41.371101)..(19.042999,49.515598)
   8     ..controls (19.042999,57.656300) and (22.214800,65.312500)..(27.972700,71.070297)
   9     ..controls (33.730499,76.828102) and (41.386700,80.000000)..(49.527302,80.000000)
  10     ..controls (57.671902,80.000000) and (65.328102,76.828102)..(71.085899,71.070297)
  11     ..controls (82.968803,59.187500) and (82.968803,39.843800)..(71.085899,27.960899)
  12     ..controls (65.328102,22.199200) and (57.671902,19.031300)..(49.531300,19.031300)
  13     --cycle;
  14 unfill (49.527302,74.742203)..controls (42.789101,74.742203) and (36.453098,72.121101)..(31.691401,67.355499)
  15     ..controls (21.851601,57.519501) and (21.851601,41.511700)..(31.691401,31.675800)
  16     ..controls (36.457001,26.910200) and (42.789101,24.285200)..(49.531300,24.285200)
  17     ..controls (56.269501,24.285200) and (62.605499,26.910200)..(67.371101,31.675800)
  18     ..controls (72.132797,36.441399) and (74.757797,42.777302)..(74.757797,49.515598)
  19     ..controls (74.757797,56.253899) and (72.132797,62.589802)..(67.367203,67.355499)
  20     ..controls (62.601601,72.121101) and (56.265598,74.742203)..(49.527302,74.742203)
  21     --cycle;
  22 fill (6.195310,0.007813)--(0.000000,6.203130)--(22.343800,28.542999)
  23     --(28.535200,22.351601)--cycle;
  24
  25 r:=17pt/(xpart(urcorner(currentpicture))-xpart(ulcorner(currentpicture)));
  26 picture pic;
  27 pic:=currentpicture;
  28 currentpicture:=nullpicture;
  29 drawoptions();
  30 draw pic scaled(r);
  31 z0=.5*urcorner(currentpicture)+.5*ulcorner(currentpicture);
  32 z1=.5*lrcorner(currentpicture)+.5*llcorner(currentpicture);
  33 draw (z0+(10.5,2));
  34 draw (z1-(10.5,2));
  35 clip currentpicture to ((z0-(8.5pt,0))--(z0+(8.5pt,0))--(z1+(8.5pt,0))--(z1-(8.5pt,0))--cycle);
  36 endfig;
  37 end