% Routines for the METAFONT logo, as found in The METAFONTbook% Extended to characters P and S for John Hobby's METAPOST% (logo10.mf is a typical parameter file)mode_setup;if unknown slant: slant:=0 else: currenttransform:= identity slanted slant yscaled aspect_ratio fi;ygap#:=(ht#/13.5u#)*xgap#;              % vertical adjustmentho#:=o#;                                % horizontal overshootleftstemloc#:=2.5u#+s#;                 % position of left stembarheight#:=.45ht#;                     % height of bar linespy#:=.9px#;                             % vertical pen thicknessdefine_pixels(s,u);define_whole_pixels(xgap);define_whole_vertical_pixels(ygap);define_blacker_pixels(px,py);pickup pencircle xscaled px yscaled py;logo_pen:=savepen;define_good_x_pixels(leftstemloc);define_good_y_pixels(barheight);define_corrected_pixels(o);define_horizontal_corrected_pixels(ho);def beginlogochar(expr code, unit_width) = beginchar(code,unit_width*u#+2s#,ht#,0); pickup logo_pen enddef;def super_half(suffix i,j,k) = draw z.i{0,y.j-y.i} ... (.8[x.j,x.i],.8[y.i,y.j]){z.j-z.i} ... z.j{x.k-x.i,0} ... (.8[x.j,x.k],.8[y.k,y.j]){z.k-z.j} ... z.k{0,y.k-y.j} enddef;def super_crescent(suffix i,j,k) = draw z.i{x.j-x.i,0} ... (.8[x.i,x.j],.8[y.j,y.i]){z.j-z.i} ... z.j{0,y.k-y.i} ... (.8[x.k,x.j],.8[y.j,y.k]){z.k-z.j} ... z.k{x.k-x.j,0} enddef;beginlogochar("M",18);x1=x2=leftstemloc; x4=x5=w-x1; x3=w-x3;y1=y5; y2=y4; bot y1=-o;top y2=h+o; y3=y1+ygap;draw z1--z2--z3--z4--z5;labels(1,2,3,4,5); endchar;beginlogochar("E",14);x1=x2=x3=leftstemloc;x4=x6=w-x1+ho; x5=x4-xgap;y1=y6; y2=y5; y3=y4;bot y1=0; top y3=h; y2=barheight;draw z6--z1--z3--z4; draw z2--z5;labels(1,2,3,4,5,6); endchar;beginlogochar("T",13);italcorr ht#*slant + .5u#;if .5w<>good.x .5w: change_width; filft x1=-eps; x2=w-x1; x3=x4=.5w;y1=y2=y3; top y1=h; bot y4=-o;draw z1--z2; draw z3--z4;labels(1,2,3,4); endchar;beginlogochar("A",15);x1=.5w; x2=x4=leftstemloc; x3=x5=w-x2;top y1=h+o; y2=y3=barheight;bot y4=bot y5=-o;draw z4--z2--z3--z5; super_half(2,1,3);labels(1,2,3,4,5); endchar;beginlogochar("F",14);x1=x2=x3=leftstemloc;x4=w-x1+ho; x5=x4-xgap;y2=y5; y3=y4; bot y1=-o;top y3=h; y2=barheight;draw z1--z3--z4; draw z2--z5;labels(1,2,3,4,5); endchar;beginlogochar("P",14);x1=x2=x3=leftstemloc;x4=x5=.618[x1,w-x1];y2=y5; y3=y4; bot y1=-o;top y3=h; y2=barheight;draw z1--z3--z4; draw z2--z5;x6=.5[w-x1,lft w]; y6=.5[y4,y5];super_crescent(4,6,5);labels(1,2,3,4,5,6); endchar;beginlogochar("S",14);x3=x8=leftstemloc;x2=x4=.382[x3,w-x3];x1=w-x3;x5=x7=.618[x3,w-x3];x6=.5[w-x3,lft w];top y1=h; y4=barheight; bot y8=0;y1=y2; y3=.5[y2,y4]; y4=y5; y6=.5[y5,y7]; y7=y8;draw z1--z2; draw z4--z5; draw z7--z8;super_crescent(2,3,4);super_crescent(5,6,7);labels(1,2,3,4,5,6,7,8); endchar;beginlogochar("O",15);x1=x4=.5w; top y1=h+o; bot y4=-o;x2=w-x3=good.x(1.5u+s); y2=y3=barheight;super_half(2,1,3); super_half(2,4,3);labels(1,2,3,4); endchar;beginlogochar("N",15);x1=x2=leftstemloc; x3=x4=x5=w-x1;bot y1=bot y4=-o;top y2=top y5=h+o; y3=y4+ygap;draw z1--z2--z3; draw z4--z5;labels(1,2,3,4,5); endchar;ligtable "T": "A" kern -.5u#;ligtable "F": "O" kern -u#;ligtable "P": "O" kern u#;font_quad:=18u#+2s#;font_normal_space:=6u#+2s#;font_normal_stretch:=3u#;font_normal_shrink:=2u#;font_identifier:="MFLOGO" if slant<>0: & "SL" fi;font_coding_scheme:="AEFMNOPST only";