Cleaned up metapost code
This commit is contained in:
Yann Esposito (Yogsototh)
parent
132b19b88e
commit
21b515c5c6
2 changed files with 228 additions and 206 deletions
196
lib/graph.mp
Normal file
196
lib/graph.mp
Normal file
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@ -0,0 +1,196 @@
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% solarized color scheme
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color baseZeroThree, baseZeroTwo, baseZeroOne, baseZeroZero
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, baseZero, baseOne, baseTwo, baseThree, yellow, orange
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, red, magenta, violet, blue, cyan, green;
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baseZeroThree :=(0.0 ,0.168627450980392,0.211764705882353);
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baseZeroTwo :=(0.0274509803921569,0.211764705882353,0.258823529411765);
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baseZeroOne :=(0.345098039215686 ,0.431372549019608,0.458823529411765);
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baseZeroZero :=(0.396078431372549 ,0.482352941176471,0.513725490196078);
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baseZero :=(0.513725490196078 ,0.580392156862745,0.588235294117647);
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baseOne :=(0.576470588235294 ,0.631372549019608,0.631372549019608);
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baseTwo :=(0.933333333333333 ,0.909803921568627,0.835294117647059);
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baseThree :=(0.992156862745098 ,0.964705882352941,0.890196078431372);
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yellow :=(0.709803921568627 ,0.537254901960784,0.0);
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orange :=(0.796078431372549 ,0.294117647058824,0.0862745098039216);
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red :=(0.862745098039216 ,0.196078431372549,0.184313725490196);
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magenta :=(0.827450980392157 ,0.211764705882353,0.509803921568627);
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violet :=(0.423529411764706 ,0.443137254901961,0.768627450980392);
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blue :=(0.149019607843137 ,0.545098039215686,0.823529411764706);
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cyan :=(0.164705882352941 ,0.631372549019608,0.596078431372549);
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green :=(0.52156862745098 ,0.6 ,0.0);
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vardef shorten(expr p,d) =
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path q,bcirc,ecirc;
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bcirc := fullcircle scaled d shifted point 0 of p;
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ecirc := fullcircle scaled d shifted point length(p) of p;
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q := p cutbefore bcirc cutafter ecirc;
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q
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enddef;
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%%%%%%%%%%%%%%%%%%%%
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% Automata drawing %
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%%%%%%%%%%%%%%%%%%%%
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u:=.5cm; % unity
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gu:=5u; % distance between states
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% -- Generic private functions
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% return the edge between points A and B.
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% out angle from A is inan
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% in angle to B is outan
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% nodesize is the size of the node
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vardef _edgeFullParam(expr posA,posB,inan,outan,nodesize) =
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path sub;
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if (posA = posB):
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pair ba,ea,b;
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path circ,p;
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b :=posA shifted (0,nodesize);
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p:=posA{1,1}..b..{1,-1}cycle;
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circ:= fullcircle scaled nodesize shifted posA;
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ba = circ intersectionpoint (subpath (0,1) of p);
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ea = circ intersectionpoint (subpath (1,2) of p);
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sub:= ba{1,1}..b..{1,-1}ea;
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else:
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path s; s := posA {dir inan} .. {dir outan} posB ;
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pair bA;
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pair bA; bA = (fullcircle scaled nodesize shifted posA) intersectionpoint s;
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pair eB; eB = (fullcircle scaled nodesize shifted posB) intersectionpoint s;
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sub := bA {dir inan} .. {dir outan} eB ;
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fi
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sub
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enddef;
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% return a picture of the label l for edge e
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vardef _edgelabel(expr e,l) =
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picture ret;
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pair mid;
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mid := point 1/2length(e) of e;
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numeric an;
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an := angle (direction 1/2length(e) of e);
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picture lab;
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pair height,width;
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lab:=thelabel(l,origin);
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height:=(0,ypart (ulcorner l - llcorner l));
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width:=(ypart (urcorner l - ulcorner l),0);
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if (an>-35) and (an<35):
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ret:=lab shifted height rotated an shifted mid;
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elseif (an>145) or (an<-145):
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ret:=thelabel(l,origin) shifted height rotated (an+180) shifted mid;
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elseif (an>75) and (an<120):
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ret:=lab shifted mid shifted -width;
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elseif (an>-120) and (an<-75):
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ret:=lab shifted mid shifted width;
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else:
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ret:=lab shifted mid shifted height;
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fi;
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ret
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enddef;
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% draw an edge
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def _drawEdgeFullParam(expr posA,posB,l,inan,outan,nodesize) =
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path sub;
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picture lab;
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sub := _edgeFullParam(posA,posB,inan,outan,nodesize);
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drawarrow sub;
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draw _edgelabel(sub,l);
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enddef;
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% --- LABELED GRAPHS ---
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% return the edge between points A and B.
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% out angle from A is inan
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vardef edgeAngle(expr posA,posB,an) =
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path sub;
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sub := _edgeFullParam(posA,posB,an,-an,1.2u);
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sub
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enddef;
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% return the direct edge between A and B
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vardef edge(expr posA,posB) =
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numeric an;
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an := angle(posB-posA);
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path sub;
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sub := _edgeFullParam(posA,posB,an,an,1.2u);
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sub
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enddef;
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% --- UNLABELED GRAPHS ---
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% return the edge between points A and B.
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% out angle from A is inan
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vardef nl_edgeAngle(expr posA,posB,an) =
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path sub;
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sub := _edgeFullParam(posA,posB,an,-an,6);
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sub
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enddef;
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% return the direct edge between A and B
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vardef nl_edge(expr posA,posB) =
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numeric an;
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an := angle(posB-posA);
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path sub;
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sub := _edgeFullParam(posA,posB,an,an,6);
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sub
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enddef;
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def drawloop(expr a,b,l) =
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pair ba,ea;
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path circ,p,s;
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p:=a{1,1}..b..{1,-1}cycle;
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circ:= fullcircle scaled 6 shifted a;
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ba = circ intersectionpoint (subpath (0,1) of p);
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ea = circ intersectionpoint (subpath (1,2) of p);
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s:= ba{1,1}..b..{1,-1}ea;
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drawarrow s;
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label.top(l,b);
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enddef;
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def drawLoop(expr a,l) =
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pair b; b:=a shifted (0,u);
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pair ba,ea;
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path circ,p,s;
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p:=a{1,1}..b..{1,-1}cycle;
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circ:= fullcircle scaled 1.2u shifted a;
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ba = circ intersectionpoint (subpath (0,1) of p);
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ea = circ intersectionpoint (subpath (1,2) of p);
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s:= ba{1,1}..b..{1,-1}ea;
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drawarrow s;
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label.top(l,b);
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enddef;
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def drawstate(expr pos) =
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draw pos withpen pencircle scaled 4bp;
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enddef;
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def drawedgeWithDoubleAngle(expr posA,posB,l,inan,outan) =
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_drawEdgeFullParam(posA,posB,l,inan,outan,6);
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enddef;
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def drawedgeangle(expr posA,posB,l,an) =
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_drawEdgeFullParam(posA,posB,l,an,-an,6);
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enddef;
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def drawedge(expr posA,posB,l) =
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numeric an;
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an=angle(posB-posA);
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_drawEdgeFullParam(posA,posB,l,an,an,6);
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enddef;
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def drawState(expr pos,l) =
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label(l,pos);
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draw fullcircle scaled u shifted pos;
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enddef;
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def drawEdgeWithDoubleAngle(expr posA,posB,l,inan,outan) =
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_drawEdgeFullParam(posA,posB,l,inan,outan,1.2u);
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enddef;
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def drawEdgeWithAngle(expr posA,posB,l,an) =
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drawEdgeWithDoubleAngle(posA,posB,l,an,-an);
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enddef;
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def drawEdge(expr posA,posB,l) =
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numeric an;
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if (posA = posB):
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an := 0;
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else:
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an=angle(posB-posA);
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fi
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drawEdgeWithDoubleAngle(posA,posB,l,an,an);
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enddef;
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prologues:=3;
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238
lib/mpost.rb
238
lib/mpost.rb
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@ -20,221 +20,47 @@ class MPost < Nanoc3::Filter
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title=$2
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str=$3
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filename=title.gsub(/[^a-zA-Z0-9_]/,"_")
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code=%{
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% solarized color scheme
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color baseZeroThree, baseZeroTwo, baseZeroOne, baseZeroZero
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, baseZero, baseOne, baseTwo, baseThree, yellow, orange
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, red, magenta, violet, blue, cyan, green;
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baseZeroThree :=(0.0 ,0.168627450980392,0.211764705882353);
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baseZeroTwo :=(0.0274509803921569,0.211764705882353,0.258823529411765);
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baseZeroOne :=(0.345098039215686 ,0.431372549019608,0.458823529411765);
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baseZeroZero :=(0.396078431372549 ,0.482352941176471,0.513725490196078);
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baseZero :=(0.513725490196078 ,0.580392156862745,0.588235294117647);
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baseOne :=(0.576470588235294 ,0.631372549019608,0.631372549019608);
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baseTwo :=(0.933333333333333 ,0.909803921568627,0.835294117647059);
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baseThree :=(0.992156862745098 ,0.964705882352941,0.890196078431372);
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yellow :=(0.709803921568627 ,0.537254901960784,0.0);
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orange :=(0.796078431372549 ,0.294117647058824,0.0862745098039216);
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red :=(0.862745098039216 ,0.196078431372549,0.184313725490196);
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magenta :=(0.827450980392157 ,0.211764705882353,0.509803921568627);
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violet :=(0.423529411764706 ,0.443137254901961,0.768627450980392);
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blue :=(0.149019607843137 ,0.545098039215686,0.823529411764706);
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cyan :=(0.164705882352941 ,0.631372549019608,0.596078431372549);
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green :=(0.52156862745098 ,0.6 ,0.0);
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# write the mp file using the code
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code=File.read('lib/graph.mp')
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code<<=%{beginfig(1)
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drawoptions (withcolor base01);}
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code <<= str
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code <<= %{\nendfig;\nbye;\n}
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vardef shorten(expr p,d) =
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path q,bcirc,ecirc;
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bcirc := fullcircle scaled d shifted point 0 of p;
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ecirc := fullcircle scaled d shifted point length(p) of p;
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q := p cutbefore bcirc cutafter ecirc;
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q
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enddef;
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%%%%%%%%%%%%%%%%%%%%
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% Automata drawing %
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%%%%%%%%%%%%%%%%%%%%
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u:=.5cm; % unity
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gu:=5u; % distance between states
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% -- Generic private functions
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% return the edge between points A and B.
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% out angle from A is inan
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% in angle to B is outan
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% nodesize is the size of the node
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vardef _edgeFullParam(expr posA,posB,inan,outan,nodesize) =
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path sub;
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if (posA = posB):
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pair ba,ea,b;
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path circ,p;
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b :=posA shifted (0,nodesize);
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p:=posA{1,1}..b..{1,-1}cycle;
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circ:= fullcircle scaled nodesize shifted posA;
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ba = circ intersectionpoint (subpath (0,1) of p);
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ea = circ intersectionpoint (subpath (1,2) of p);
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sub:= ba{1,1}..b..{1,-1}ea;
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else:
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path s; s := posA {dir inan} .. {dir outan} posB ;
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pair bA;
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pair bA; bA = (fullcircle scaled nodesize shifted posA) intersectionpoint s;
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pair eB; eB = (fullcircle scaled nodesize shifted posB) intersectionpoint s;
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sub := bA {dir inan} .. {dir outan} eB ;
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fi
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sub
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enddef;
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% return a picture of the label l for edge e
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vardef _edgelabel(expr e,l) =
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picture ret;
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pair mid;
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mid := point 1/2length(e) of e;
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numeric an;
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an := angle (direction 1/2length(e) of e);
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picture lab;
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pair height,width;
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lab:=thelabel(l,origin);
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height:=(0,ypart (ulcorner l - llcorner l));
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width:=(ypart (urcorner l - ulcorner l),0);
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if (an>-35) and (an<35):
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ret:=lab shifted height rotated an shifted mid;
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elseif (an>145) or (an<-145):
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ret:=thelabel(l,origin) shifted height rotated (an+180) shifted mid;
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elseif (an>75) and (an<120):
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ret:=lab shifted mid shifted -width;
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elseif (an>-120) and (an<-75):
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ret:=lab shifted mid shifted width;
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else:
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ret:=lab shifted mid shifted height;
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fi;
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ret
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enddef;
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% draw an edge
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def _drawEdgeFullParam(expr posA,posB,l,inan,outan,nodesize) =
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path sub;
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picture lab;
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sub := _edgeFullParam(posA,posB,inan,outan,nodesize);
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drawarrow sub;
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draw _edgelabel(sub,l);
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enddef;
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% --- LABELED GRAPHS ---
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% return the edge between points A and B.
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% out angle from A is inan
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vardef edgeAngle(expr posA,posB,an) =
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path sub;
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sub := _edgeFullParam(posA,posB,an,-an,1.2u);
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sub
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enddef;
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% return the direct edge between A and B
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vardef edge(expr posA,posB) =
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numeric an;
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an := angle(posB-posA);
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path sub;
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sub := _edgeFullParam(posA,posB,an,an,1.2u);
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sub
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enddef;
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% --- UNLABELED GRAPHS ---
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% return the edge between points A and B.
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% out angle from A is inan
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vardef nl_edgeAngle(expr posA,posB,an) =
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path sub;
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sub := _edgeFullParam(posA,posB,an,-an,6);
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sub
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enddef;
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% return the direct edge between A and B
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vardef nl_edge(expr posA,posB) =
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numeric an;
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an := angle(posB-posA);
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path sub;
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sub := _edgeFullParam(posA,posB,an,an,6);
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sub
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enddef;
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def drawloop(expr a,b,l) =
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pair ba,ea;
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path circ,p,s;
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p:=a{1,1}..b..{1,-1}cycle;
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circ:= fullcircle scaled 6 shifted a;
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ba = circ intersectionpoint (subpath (0,1) of p);
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ea = circ intersectionpoint (subpath (1,2) of p);
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s:= ba{1,1}..b..{1,-1}ea;
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drawarrow s;
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label.top(l,b);
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enddef;
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def drawLoop(expr a,l) =
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pair b; b:=a shifted (0,u);
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pair ba,ea;
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path circ,p,s;
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p:=a{1,1}..b..{1,-1}cycle;
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circ:= fullcircle scaled 1.2u shifted a;
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ba = circ intersectionpoint (subpath (0,1) of p);
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ea = circ intersectionpoint (subpath (1,2) of p);
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s:= ba{1,1}..b..{1,-1}ea;
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drawarrow s;
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label.top(l,b);
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enddef;
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def drawstate(expr pos) =
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draw pos withpen pencircle scaled 4bp;
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enddef;
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def drawedgeWithDoubleAngle(expr posA,posB,l,inan,outan) =
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_drawEdgeFullParam(posA,posB,l,inan,outan,6);
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enddef;
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def drawedgeangle(expr posA,posB,l,an) =
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_drawEdgeFullParam(posA,posB,l,an,-an,6);
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enddef;
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def drawedge(expr posA,posB,l) =
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numeric an;
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an=angle(posB-posA);
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_drawEdgeFullParam(posA,posB,l,an,an,6);
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enddef;
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def drawState(expr pos,l) =
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label(l,pos);
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draw fullcircle scaled u shifted pos;
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enddef;
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def drawEdgeWithDoubleAngle(expr posA,posB,l,inan,outan) =
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_drawEdgeFullParam(posA,posB,l,inan,outan,1.2u);
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enddef;
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def drawEdgeWithAngle(expr posA,posB,l,an) =
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drawEdgeWithDoubleAngle(posA,posB,l,an,-an);
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enddef;
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def drawEdge(expr posA,posB,l) =
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numeric an;
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if (posA = posB):
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an := 0;
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else:
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an=angle(posB-posA);
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fi
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drawEdgeWithDoubleAngle(posA,posB,l,an,an);
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enddef;
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prologues:=3;
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beginfig(1)
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drawoptions (withcolor base01);\n}
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code <<= str
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code <<= %{\nendfig;\nbye;\n}
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# create the directory to compile metapost files
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FileUtils.mkdir_p(@@tmp)
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# write the code into a temporary file
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File.open(@@tmp+filename+'.mp','w') do |f|
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f.write solarized(code)
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end
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webpath=@item.path + 'mpost/' + filename + '.png'
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if not (File.exists?(@@tmp+filename+'.old') and FileUtils.compare_file(@@tmp+filename+'.mp',@@tmp+filename+'.old'))
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# write the URL of the image
|
||||
imgurl=@item.path + 'mpost/' + filename + '.png'
|
||||
# We compile only if the source changed
|
||||
if not (File.exists?(@@tmp+filename+'.old') and
|
||||
FileUtils.cmp(@@tmp+filename+'.mp', @@tmp+filename+'.old'))
|
||||
then
|
||||
FileUtils.mkdir_p('output'+@item.path+'mpost')
|
||||
path='output'+webpath
|
||||
cmd="cd #{@@tmp} && mpost #{filename}.mp >/dev/null 2>&1 && convert -density 180 #{filename}.1 $OLDPWD/#{path} >/dev/null"
|
||||
print %{\t[mpost] updating: #{filename}}
|
||||
fspath=FileUtils.pwd+'/output'+imgurl
|
||||
# create the directory for the output file
|
||||
FileUtils.mkdir_p(File.dirname(fspath))
|
||||
|
||||
# Launch the metapost compilation and update
|
||||
# the cache in case of success
|
||||
cmd="cd #{@@tmp} && mpost #{filename}.mp >/dev/null 2>&1 && convert -density 180 #{filename}.1 #{fspath} >/dev/null"
|
||||
if system(cmd)
|
||||
FileUtils.copy(@@tmp+filename+'.mp',@@tmp+filename+'.old')
|
||||
if FileUtils.copy(@@tmp+filename+'.mp',@@tmp+filename+'.old')
|
||||
puts " [SUCCESS]"
|
||||
else
|
||||
puts " [ERROR: couldn't copy]"
|
||||
end
|
||||
else
|
||||
puts " [ERROR: compilation error; check #{@@tmp}#{filename}.log ]"
|
||||
end
|
||||
end
|
||||
%{<figure><img alt="#{title}" src="#{webpath}"/><figcaption>#{title}</figcaption></figure>}
|
||||
# replace the code by the image
|
||||
%{<figure><img alt="#{title}" src="#{imgurl}"/><figcaption>#{title}</figcaption></figure>}
|
||||
end
|
||||
end
|
||||
end
|
||||
|
|
|
|||
Loading…
Reference in a new issue