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authorNorbert Preining <norbert@preining.info>2019-09-02 13:46:59 +0900
committerNorbert Preining <norbert@preining.info>2019-09-02 13:46:59 +0900
commite0c6872cf40896c7be36b11dcc744620f10adf1d (patch)
tree60335e10d2f4354b0674ec22d7b53f0f8abee672 /fonts/cm/mf/italms.mf
Initial commit
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+% THIS IS THE OFFICIAL COMPUTER MODERN SOURCE FILE italms.mf BY D E KNUTH.
+% IT MUST NOT BE MODIFIED IN ANY WAY UNLESS THE FILE NAME IS CHANGED!
+
+% This file contains miscellaneous symbols of math italic fonts.
+% The character codes are \0100, \0140, and \0173--\0177.
+
+cmchar "Partial differential sign";
+beginchar(oct"100",10u#,asc_height#,0);
+italcorr .7asc_height#*slant+.5curve#-1.5u#;
+adjust_fit(0,0);
+numeric top_thickness,bot_thickness,side_thickness,pull;
+top_thickness=max(fine.breadth,vround(slab-2vair_corr));
+bot_thickness=max(fine.breadth,vround(slab-vair_corr));
+side_thickness=max(fine.breadth,hround 1/3[curve,cap_curve]);
+pull=min(.25,1.5superpull);
+pickup fine.nib; pos2(top_thickness,90);
+pos3(side_thickness,0); pos4(bot_thickness,-90);
+pos5(side_thickness,-180); pos6(vair,-270);
+lft x5r=w-rt x3r=hround max(.75u,1.5u-.5side_thickness);
+x4=x6+.1u=x2+u=.5w;
+top y2r=h+o; y3=.5[y2,y4]; bot y4r=-o;
+y5=.5[y4,y6]; top y6=vround 5/8h+o;
+path p; {{interim superness:=more_super; p=pulled_super_arc.l(3,4)(pull)}};
+numeric t; t=xpart(p intersectiontimes((x3r,y5)--(x4,y5)));
+pos7(thin_join,0); z7l=point t of p;
+(x,y6r)=whatever[z7l,z6l]; x6r:=max(x,.5[x5r,x6]);
+filldraw stroke pulled_super_arc.e(2,3)(pull)
+ & {{interim superness:=more_super; pulled_super_arc.e(3,4)(pull)}}
+ & {{less_tense; pulled_super_arc.e(4,5)(pull) & pulled_super_arc.e(5,6)(pull)}}
+ & z6e{right}...{direction t of p}z7e; % arc and bowl
+pos1(hair,180); pos0(flare,180);
+lft x0r=min(lft x2-eps,hround 1.2u);
+y0=vround min(.85h-.5flare,.8h+.5flare)+o;
+{{less_tense; bulb(2,1,0)}}; % arc and bulb
+math_fit(-.3x_height#*slant+.5curve#-u#,ic#-u#);
+penlabels(0,1,2,3,4,5,6,7); endchar;
+
+cmchar "Lowercase italic script l";
+beginchar(oct"140",4.5u#+max(1.5u#,stem#),asc_height#,0);
+italcorr .8asc_height#*slant-u#;
+adjust_fit(if monospace:u#,u# else: 0,0 fi); pickup fine.nib;
+pos1(hair,-45); pos2(hair,0); pos3(vair,90);
+pos4(stem,180); pos5(vair,270); pos6(hair,315);
+lft x1l=hround(lft x1l-x1); rt x2r=hround(w-1.5u); x3=.5w;
+lft x4r=hround .5u; x5=x3+.75u; x6=x1+w+1;
+y1=y6=.125h; y2=.8h; top y3r=h+oo; y4=.5[y3,y5]; bot y5=-oo;
+filldraw stroke z1e{10u,asc_height}...z2e{up}...pulled_arc.e(3,4)
+ & pulled_arc.e(4,5)...z6e{10u,asc_height}; % bowl and hook
+math_fit(0,ic#); penlabels(1,2,3,4,5,6); endchar;
+
+cmchar "Dotless italic letter i";
+beginchar(oct"173",5u#,x_height#,0);
+italcorr 1/3x_height#*slant+.5hair#+.5u#;
+adjust_fit(if monospace:u#,u# else: 0,0 fi); pickup fine.nib;
+x0=0; x5=w; x2=.5w+.25u; x3=.5w-.25u;
+hook_in(0,1,2)(skewed); hook_out(3,4,5)(skewed); % hooks
+filldraw stroke z2e--z3e; % stem
+math_fit(-2/3x_height#*slant+.5hair#+.5u#,ic#);
+penlabels(0,1,2,3,4,5); endchar;
+
+cmchar "Dotless italic letter j";
+beginchar(oct"174",5.5u#,x_height#,desc_depth#);
+italcorr x_height#*slant+.5stem#-2u#;
+adjust_fit(if monospace:2u# else: 0 fi, 0); pickup fine.nib;
+x0=0; x2=x3; pos3(stem,0); lft x3l=hround(w-2u-.5stem);
+hook_in(0,1,2); % opening hook
+pos4(vair,-90); pos5(hair,-180); pos6(flare,-180);
+bot y3=-1/3d; bot y4r=-d-oo; y6-.5flare=-vround.9d;
+x4=1/3(w-u); lft x5r=min(hround-.5u,lft x5r+x4-x5l-eps);
+filldraw stroke z2e---z3e...{left}z4e; % stem and arc
+bulb(4,5,6); % bulb
+math_fit(desc_depth#*slant,ic#); penlabels(0,1,2,3,4,5,6); endchar;
+
+cmchar "Weierstrass p";
+beginchar(oct"175",11u#,x_height#,desc_depth#);
+italcorr .7x_height#*slant+.5stem#-u# if math_fitting:-.5u# fi;
+adjust_fit(0,0); pickup fine.nib;
+numeric theta; theta=90-angle(8u,h); slope:=-h/8u; % angle at middle
+pos2(vair,-90); pos1(vstem,theta); pos7(vair,-90);
+x2+.5u=x1=x7-.5u=3u; top y2l=h+o; bot y7r=-d-o; y1=.4[-d,h];
+lft x3l=hround .5u; rt x6r=hround max(rt x7+.5,.5w-.25u);
+x3r-x3l=x6r-x6l=(hround .5[vair,vstem])-fine;
+ellipse_set(2l,3l,4l,1l); ellipse_set(2r,3r,4r,1r); y3=y3r;
+ellipse_set(7l,6l,5l,1l); ellipse_set(7r,6r,5r,1r); y6=y6r;
+filldraw stroke super_arc.e(2,3) & z3e{down}
+ ..z4e---z5e..z6e{down} & super_arc.e(6,7); % flourish
+pos8(hair,180); pos9(vair,90); pos10(stem,0);
+pos11(vair,-90); pos12(hair,-180); pos13(.3[hair,flare],-180);
+rt x10r=hround(w-1.5u+.5stem); lft x12r=hround(.5w-.5u);
+rt x8l=hround 2.25u; x9=x11=max(x12l+eps,.5w+1.5u);
+y8=0; top y9r=vround(.9h+o); y10=.5[y9,y11]; bot y11r=-oo;
+filldraw stroke z7e{left}...z8e{up}...pulled_arc.e(9,10)
+ & pulled_arc.e(10,11); % stem and bowl
+y13-.5(.6[hair,flare])=.15h; bulb(11,12,13); % bulb
+math_fit(0,ic#); penlabels(1,2,3,4,5,6,7,8,9,10,11,12,13); endchar;
+
+cmchar "Arrow (vector) accent";
+beginchar(oct"176",9u#,asc_height#+.5rule_thickness#,0);
+italcorr .7[x_height#,asc_height#]*slant;
+adjust_fit(0,0); pickup rule.nib;
+lft x1=hround .5u; x2=w-x1; y1=y2=good.y .7[x_height,asc_height];
+draw z1--z2; % bar
+rt x3=rt x4=hround(x2-u);
+y3=y2+.3(asc_height-x_height); y4=y2-.3(asc_height-x_height);
+draw z3{x2-x3,2(y2-y3)}...{2(x2-x3),y2-y3}z2; % upper point
+draw z4{x2-x4,2(y2-y4)}...{2(x2-x4),y2-y4}z2; % lower point
+labels(1,2,3,4); endchar;
+
+cmchar "Tie accent";
+beginchar(oct"177",5u#,asc_height#,0);
+italcorr 4/9[x_height#,asc_height#]*slant+4.5u#+2letter_fit#+.5hair#;
+adjust_fit(if monospace:2u#,2u# else:serif_fit#,serif_fit# fi);
+pickup fine.nib; pos1(hair,180); pos2(vround 1/5[vair,stem],90); pos3(hair,0);
+lft x1r=hround(.5w-.5hair); x2=.5[x1,x3];
+rt x3r=hround(w+4u+2letter_fit+.5hair);
+y1=y3=4/9[x_height,asc_height]; top y2r=vround 8/9[x_height,asc_height];
+filldraw stroke super_arc.e(1,2) & super_arc.e(2,3); % arc
+penlabels(1,2,3); endchar;