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%D \module
%D [ file=mp-symb.mp,
%D version=very old,
%D title=\CONTEXT\ \METAPOST\ graphics,
%D subtitle=navigation symbol macros,
%D author=Hans Hagen,
%D date=\currentdate,
%D copyright={PRAGMA / Hans Hagen \& Ton Otten}]
%C
%C This module is part of the \CONTEXT\ macro||package and is
%C therefore copyrighted by \PRAGMA. See mreadme.pdf for
%C details.
%D Instead of these symbols, you can use the \type {contnav}
%D font by Taco Hoekwater that is derived form this file.
u := 3;
h := 5u;
wt := 5u;
wb := .25wt;
o := .1u;
pw := .5u;
drawoptions (withpen pencircle scaled pw);
path lefttriangle, righttriangle, sublefttriangle, subrighttriangle;
pair s ; s = (2wb,0) ;
x1t = x2t = 0;
x3t = wt;
y3t = .5h;
z1t-z2t = (z3t-z2t) rotated 60;
z4t = (z2t--z3t) intersectionpoint ((z1t--z2t) shifted s) ;
z5t = (z3t--z1t) intersectionpoint ((z1t--z2t) shifted s) ;
righttriangle = z1t--z2t--z3t--cycle;
lefttriangle = righttriangle rotatedaround((0,.5h), 180) shifted (wt,0);
subrighttriangle = z4t--((z2t--z3t--z1t) shifted s)--z5t ;
sublefttriangle = subrighttriangle rotatedaround((0,.5h), 180) shifted (wt,0);
path sidebar;
x1b = x4b = 0;
x2b = x3b = wb;
y1b = y2b = y1t;
y3b = y4b = y2t;
sidebar = z1b--z2b--z3b--z4b--cycle;
path midbar, onebar, twobar;
hh = abs(y1t-y2t);
%midbar := unitsquare scaled 2hh/3;
midbar := unitsquare scaled hh;
onebar := unitsquare xscaled (hh/3) yscaled hh;
twobar := onebar;
def prepareglyph =
drawoptions (withpen pencircle scaled .5u);
enddef;
def finishglyph =
set_outer_boundingbox currentpicture;
bboxmargin := o;
setbounds currentpicture to bbox currentpicture;
% draw boundingbox currentpicture withcolor red withpen pencircle scaled 1;
enddef;
beginfig (1);
prepareglyph;
fill lefttriangle;
draw lefttriangle; % draw gets the bbox right, filldraw doesn't
finishglyph;
endfig;
beginfig (2);
prepareglyph;
fill righttriangle;
draw righttriangle;
finishglyph;
endfig;
beginfig (3);
prepareglyph;
fill sidebar;
draw sidebar;
fill lefttriangle shifted (.5s);
draw lefttriangle shifted (.5s);
finishglyph;
endfig;
beginfig (4);
prepareglyph;
fill righttriangle;
draw righttriangle;
fill sidebar shifted (wt,0);
draw sidebar shifted (wt,0);
finishglyph;
endfig;
beginfig (5);
prepareglyph;
fill lefttriangle;
draw lefttriangle;
fill lefttriangle shifted s;
draw lefttriangle shifted s;
finishglyph;
endfig;
beginfig (6);
prepareglyph;
fill righttriangle;
draw righttriangle;
fill righttriangle shifted s;
draw righttriangle shifted s;
finishglyph;
endfig;
beginfig (7);
prepareglyph;
fill midbar;
draw midbar;
finishglyph;
endfig;
beginfig (8);
prepareglyph;
fill onebar;
draw onebar;
finishglyph;
endfig;
beginfig (9);
prepareglyph;
fill twobar;
draw twobar;
fill twobar shifted (pw+hh/2,0);
draw twobar shifted (pw+hh/2,0);
finishglyph;
endfig;
beginfig(101);
prepareglyph;
draw lefttriangle;
finishglyph;
endfig;
beginfig(102);
prepareglyph;
draw righttriangle;
finishglyph;
endfig;
beginfig(103);
prepareglyph;
draw sidebar;
draw lefttriangle shifted (.5s);
finishglyph;
endfig;
beginfig(104);
prepareglyph;
draw righttriangle;
draw sidebar shifted (wt,0);
finishglyph;
endfig;
beginfig(105);
prepareglyph;
draw lefttriangle;
draw lefttriangle shifted s;
finishglyph;
endfig;
beginfig(106);
prepareglyph;
draw righttriangle;
draw righttriangle shifted s;
finishglyph;
endfig;
beginfig(107);
prepareglyph;
draw midbar;
finishglyph;
endfig;
beginfig(108);
prepareglyph;
draw onebar;
finishglyph;
endfig;
beginfig(109);
prepareglyph;
draw twobar;
draw twobar shifted (pw+hh/2,0);
finishglyph;
endfig;
beginfig(201);
prepareglyph;
draw lefttriangle;
finishglyph;
endfig;
beginfig(202);
prepareglyph;
draw righttriangle;
finishglyph;
endfig;
beginfig(203);
prepareglyph;
draw sidebar;
draw lefttriangle shifted (.5s);
finishglyph;
endfig;
beginfig(204);
prepareglyph;
draw righttriangle;
draw sidebar shifted (wt,0);
finishglyph;
endfig;
beginfig(205);
prepareglyph;
draw sublefttriangle shifted s;
draw lefttriangle shifted s;
finishglyph;
endfig;
beginfig(206);
prepareglyph;
draw subrighttriangle;
draw righttriangle;
finishglyph;
endfig;
beginfig(207);
prepareglyph;
draw midbar;
finishglyph;
endfig;
beginfig(208);
prepareglyph;
draw onebar;
finishglyph;
endfig;
beginfig(209);
prepareglyph;
draw twobar;
draw twobar shifted (pw+hh/2,0);
finishglyph;
endfig;
beginfig(999);
picture collection [] ;
prepareglyph ;
draw lefttriangle ;
finishglyph ;
collection[201] := currentpicture ;
currentpicture := nullpicture ;
prepareglyph ;
draw righttriangle ;
finishglyph ;
collection[202] := currentpicture ;
currentpicture := nullpicture ;
prepareglyph ;
draw sidebar ;
draw lefttriangle shifted (.5s) ;
finishglyph ;
collection[203] := currentpicture ;
currentpicture := nullpicture ;
prepareglyph ;
draw righttriangle ;
draw sidebar shifted (wt,0) ;
finishglyph ;
collection[204] := currentpicture ;
currentpicture := nullpicture ;
prepareglyph ;
draw sublefttriangle shifted s ;
draw lefttriangle shifted s ;
finishglyph ;
collection[205] := currentpicture ;
currentpicture := nullpicture ;
prepareglyph ;
draw subrighttriangle ;
draw righttriangle ;
finishglyph ;
collection[206] := currentpicture ;
currentpicture := nullpicture ;
prepareglyph ;
draw midbar ;
finishglyph ;
collection[207] := currentpicture ;
currentpicture := nullpicture ;
prepareglyph ;
draw onebar ;
finishglyph ;
collection[208] := currentpicture ;
currentpicture := nullpicture ;
prepareglyph ;
draw twobar ;
draw twobar shifted (pw+hh/2,0) ;
finishglyph ;
collection[209] := currentpicture ;
currentpicture := nullpicture ;
for i=201 upto 209 :
collection[i] := collection[i] shifted - center collection[i] ;
endfor ;
addto currentpicture also collection[205] shifted ( 0, 0)
withcolor (.3,.4,.5) ;
addto currentpicture also collection[202] shifted ( 0,1.5h)
withcolor (.5,.6,.7) ;
addto currentpicture also collection[201] shifted (1.5h, 0)
withcolor (.6,.7,.8) ;
addto currentpicture also collection[206] shifted (1.5h,1.5h)
withcolor (.4,.5,.6) ;
collection[210] := currentpicture ;
currentpicture := nullpicture ;
bboxmargin := .25u;
fill bbox collection[210] withcolor .95(1,1,0);
addto currentpicture also collection[210] ;
endfig ;
end
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