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%%%%%%%%%%%%%%%%%% ifgeo.gen %%%%%%%%%%%%%%%%%%%%%%%
% (c) Ingo Kloeckl
% This program can be redistributed and/or modified under the terms
% of the LaTeX Project Public License Distributed from CTAN
% archives in directory macros/latex/base/lppl.txt; either
% version 1 of the License, or any later version.
% History
% 20.12.1999 v1.0 IK
%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% geometric symbols
% by I.Kloeckl, ingo.kloeckl@2k-software.de
pen normalpen;
normalpen := pencircle scaled 1linewidth;
shadow_x := 2pt;
shadow_y := 2pt;
% some internal utility functions
def Tri(expr n, s, phi) =
if ((phi=90) or (phi=-90)):
beginchar((char n),ystretch*(10pt#),xstretch*(10pt#),0);
else:
beginchar((char n),xstretch*(10pt#),ystretch*(10pt#),0);
fi;
pickup normalpen;
bot lft z0 = (-0.5pt*s*xstretch, -0.5pt*s*ystretch) rotated (phi);
bot rt z1 = (0.5pt*s*xstretch, -0.5pt*s*ystretch) rotated (phi);
top z2 = (0pt, 0.5pt*s*ystretch) rotated (phi);
draw z0--z1--z2--cycle shifted(.5w,.5h);
endchar;
enddef;
def FillTri(expr n, s, phi) =
if ((phi=90) or (phi=-90)):
beginchar((char n),ystretch*(10pt#),xstretch*(10pt#),0);
else:
beginchar((char n),xstretch*(10pt#),ystretch*(10pt#),0);
fi;
pickup normalpen;
fill (-0.5pt,-0.5pt)--(0.5pt,-0.5pt)--(0pt,0.5pt)--cycle
xscaled (s*xstretch) yscaled (s*ystretch) rotated (phi)
shifted(.5w,.5h);
endchar;
enddef;
def Cir(expr n, s) =
beginchar((char n),10pt#,10pt#,0);
pickup normalpen;
numeric t;
t:=s*1pt;
draw fullcircle scaled t shifted(5pt,5pt);
endchar;
enddef;
def FillCir(expr n, s) =
beginchar((char n),10pt#,10pt#,0);
pickup normalpen;
numeric t;
t:=s*1pt;
fill fullcircle scaled t shifted(5pt,5pt);
endchar;
enddef;
def Sq(expr n, s, shadow) =
beginchar((char n),xstretch*(10pt#),ystretch*(10pt#),0);
pickup normalpen;
bot lft z0 = (-0.5pt*s*xstretch, -0.5pt*s*ystretch);
bot rt z1 = (0.5pt*s*xstretch, -0.5pt*s*ystretch);
top rt z2 = (0.5pt*s*xstretch, 0.5pt*s*ystretch);
top lft z3 = (-0.5pt*s*xstretch, 0.5pt*s*ystretch);
if shadow=1:
path p; p := z0--z1--z2;
draw p shifted(.5w+shadow_x,.5h-shadow_y);
elseif shadow=2:
path p; p := z0--z1--z2--z3--cycle;
fill p shifted(.5w+shadow_x,.5h-shadow_y);
unfill p shifted(.5w,.5h);
elseif shadow=3:
path p; p := z0--z1--z2--z3--cycle;
draw p shifted(.5w+shadow_x,.5h-shadow_y);
unfill p shifted(.5w,.5h);
fi;
draw z0--z1--z2--z3--cycle shifted(.5w,.5h);
endchar;
enddef;
def FillSq(expr n, s, shadow) =
beginchar((char n),xstretch*(10pt#),ystretch*(10pt#),0);
pickup normalpen;
bot lft z0 = (-0.5pt*s*xstretch, -0.5pt*s*ystretch);
bot rt z1 = (0.5pt*s*xstretch, -0.5pt*s*ystretch);
top rt z2 = (0.5pt*s*xstretch, 0.5pt*s*ystretch);
top lft z3 = (-0.5pt*s*xstretch, 0.5pt*s*ystretch);
if shadow=1:
path p; p := z0--z1--z2;
draw p shifted(.5w+shadow_x,.5h-shadow_y);
elseif shadow=3:
path p; p := z0--z1--z2--z3--cycle;
draw p shifted(.5w+shadow_x,.5h-shadow_y);
fi;
fill z0--z1--z2--z3--cycle shifted(.5w,.5h);
endchar;
enddef;
def CrossedSq(expr n, s) =
beginchar((char n),xstretch*(10pt#),ystretch*(10pt#),0);
pickup normalpen;
bot lft z0 = (-0.5pt*s*xstretch, -0.5pt*s*ystretch) shifted(.5w,.5h);
bot rt z1 = (0.5pt*s*xstretch, -0.5pt*s*ystretch) shifted(.5w,.5h);
top rt z2 = (0.5pt*s*xstretch, 0.5pt*s*ystretch) shifted(.5w,.5h);
top lft z3 = (-0.5pt*s*xstretch, 0.5pt*s*ystretch) shifted(.5w,.5h);
draw z0--z2; draw z1--z3;
endchar;
enddef;
def Diamond(expr n, s, shadow, fillshape) =
beginchar((char n),xstretch*(10pt#),ystretch*(10pt#),0);
pickup normalpen;
x0 = 0pt; bot y0 = -0.5pt*s*ystretch;
rt x1 = 0.5pt*s*xstretch; y1 = 0pt;
x2 = 0pt; top y2 = 0.5pt*s*ystretch;
lft x3 = -0.5pt*s*xstretch; y3 = 0pt;
if shadow=1:
path p; p := z0--z1--z2;
draw p shifted(.5w+shadow_x,.5h);
elseif shadow=2:
path p; p := z0--z1--z2--z3--cycle;
fill p shifted(.5w+shadow_x,.5h);
unfill p shifted(.5w,.5h);
elseif shadow=3:
path p; p := z0--z1--z2--z3--cycle;
draw p shifted(.5w+shadow_x,.5h);
unfill p shifted(.5w,.5h);
fi;
draw z0--z1--z2--z3--cycle shifted(.5w,.5h);
if fillshape=1: % right half filled
fill z0--z1--z2--cycle shifted(.5w,.5h);
elseif fillshape=2: % lower half filled
fill z0--z1--z3--cycle shifted(.5w,.5h);
fi;
endchar;
enddef;
def FillDiamond(expr n, s, shadow) =
beginchar((char n),xstretch*(10pt#),ystretch*(10pt#),0);
pickup normalpen;
x0 = 0pt; bot y0 = -0.5pt*s*ystretch;
rt x1 = 0.5pt*s*xstretch; y1 = 0pt;
x2 = 0pt; top y2 = 0.5pt*s*ystretch;
lft x3 = -0.5pt*s*xstretch; y3 = 0pt;
if shadow=1:
path p; p := z0--z1--z2;
draw p shifted(.5w+shadow_x,.5h);
elseif shadow=3:
path p; p := z0--z1--z2--z3--cycle;
draw p shifted(.5w+shadow_x,.5h);
fi;
fill z0--z1--z2--z3--cycle shifted(.5w,.5h);
endchar;
enddef;
def DiamondBar(expr n, s, barshape) =
beginchar((char n),xstretch*(10pt#),ystretch*(10pt#),0);
pickup normalpen;
x0 = 0pt; bot y0 = -0.5pt*s*ystretch;
rt x1 = 0.5pt*s*xstretch; y1 = 0pt;
x2 = 0pt; top y2 = 0.5pt*s*ystretch;
lft x3 = -0.5pt*s*xstretch; y3 = 0pt;
path p;
if barshape=1: % horizontal bar
p := z1--z3;
draw p shifted(.5w,.5h);
elseif barshape=2: % vertical bar
p := z0--z2;
draw p shifted(.5w,.5h);
fi;
endchar;
enddef;
"Bigsquare"; Sq(32,10,0);
"Square"; Sq(48,8,0);
"Smallsquare"; Sq(64,6,0);
"FilledBigsquare"; FillSq(80,10,0);
"FilledSquare"; FillSq(96,8,0);
"FilledSmallsquare"; FillSq(112,6,0);
"SquareShadow1"; Sq(0,8,1);
"SquareShadow2"; Sq(1,8,2);
"SquareShadow3"; Sq(2,8,3);
"FilledSquareShadow1"; FillSq(3,8,1);
"FilledSquareShadow3"; FillSq(4,8,3);
"BigtriangleUp"; Tri(33,10,0);
"TriangleUp"; Tri(49,8,0);
"SmalltriangleUp"; Tri(65,6,0);
"FilledBigtriangleUp"; FillTri(81,10,0);
"FilledTriangleUp"; FillTri(97,8,0);
"FilledSmalltriangleUp"; FillTri(113,6,0);
"BigtriangleLeft"; Tri(34,10,90);
"TriangleLeft"; Tri(50,8,90);
"SmalltriangleLeft"; Tri(66,6,90);
"FilledBigtriangleLeft"; FillTri(82,10,90);
"FilledTriangleLeft"; FillTri(98,8,90);
"FilledSmalltriangleLeft"; FillTri(114,6,90);
"BigtriangleDown"; Tri(35,10,180);
"TriangleDown"; Tri(51,8,180);
"SmalltriangleDown"; Tri(67,6,180);
"FilledBigtriangleDown"; FillTri(83,10,180);
"FilledTriangleDown"; FillTri(99,8,180);
"FilledSmalltriangleDown"; FillTri(115,6,180);
"BigtriangleRight"; Tri(36,10,-90);
"TriangleRight"; Tri(52,8,-90);
"SmalltriangleRight"; Tri(68,6,-90);
"FilledBigtriangleRight"; FillTri(84,10,-90);
"FilledTriangleRight"; FillTri(100,8,-90);
"FilledSmalltriangleRight"; FillTri(116,6,-90);
"Bigcircle"; Cir(37,10);
"Circle"; Cir(53,8);
"Smallcircle"; Cir(69,6);
"FilledBigcircle"; FillCir(85,10);
"Filledcircle"; FillCir(101,8);
"FilledSmallcircle"; FillCir(117,6);
"BigDiamond"; Diamond(38,10,0,0);
"Diamond"; Diamond(54,8,0,0);
"SmallDiamond"; Diamond(70,6,0,0);
"FilledBigDiamond"; FillDiamond(86,10,0);
"FilledDiamond"; FillDiamond(102,8,0);
"FilledSmallDiamond"; FillDiamond(118,6,0);
"BigRightDiamond"; Diamond(47,10,0,1);
"RightDiamond"; Diamond(63,8,0,1);
"SmallRightDiamond"; Diamond(79,6,0,1);
"BigLowerDiamond"; Diamond(95,10,0,2);
"LowerDiamond"; Diamond(111,8,0,2);
"SmallLowerDiamond"; Diamond(127,6,0,2);
"DiamondShadow1"; Diamond(5,8,1,0);
"DiamondShadow2"; Diamond(6,8,2,0);
"DiamondShadow3"; Diamond(7,8,3,0);
"DiamondSquareShadow1"; FillDiamond(8,8,1);
"DiamondSquareShadow3"; FillDiamond(9,8,3);
"BigCross"; CrossedSq(13,10);
"Cross"; CrossedSq(14,8);
"SmallCross"; CrossedSq(15,6);
"BigHorBar"; DiamondBar(26,10,1);
"HorBar"; DiamondBar(27,8,1);
"SmallHorBar"; DiamondBar(28,6,1);
"BigVertBar"; DiamondBar(29,10,2);
"VertBar"; DiamondBar(30,8,2);
"SmallVertBar"; DiamondBar(31,6,2);
end.
%%%%%%%%%%%%%%%%%% end of ifgeo.gen %%%%%%%%%%%%%%%%%%%%%%%
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