% part of LilyPond's pretty-but-neat music font
%
% source file of the Feta (not the Font-En-Tja) music font
-%
+%
% (c) 1997--2005 Jan Nieuwenhuizen <janneke@gnu.org>
-
-height#:= number_design_size;
-space# := number_design_size/2;
+height# := number_design_size;
+space# := number_design_size / 2;
font_x_height height#;
font_normal_space space#;
%
% DOCME!
-%ugh. b and h are reused.
+%
+% ugh. b and h are reused.
%
-save b,h; 4h+b=1.15; 10h+b=1;
-fatten:=number_design_size*h+b;
-
-save b,h; 4h+b=1.05; 10h+b=1;
-widen:=number_design_size*h+b;
+save b, h;
+4h + b = 1.15;
+10h + b = 1;
+fatten := number_design_size * h + b;
-tense=0.85;
-thick#:=7/30height#*fatten;
-thin#:=thick#/4*fatten + max(.1 (height# / 10 - 1), 0);
+save b, h;
+4h + b = 1.05;
+10h + b = 1;
+widen := number_design_size * h + b;
-%% sqrt(.8 * blot_diameter#* thin#) ;
-hair#:= thin# * .8 ;
+tense = 0.85;
+thick# := 7/30 height# * fatten;
+thin# := thick# / 4 * fatten + max (.1 (height# / 10 - 1), 0);
+%% sqrt (.8 * blot_diameter# * thin#);
+hair# := thin# * .8;
-flare#:=9/8 thick# + .75 (height# / 10 - 1);
+flare# := 9/8 thick# + .75 (height# / 10 - 1);
-save b,h; 4h+b=1/8; 10h+b=1/6;
-kuulleke#:=thick#*number_design_size*h+b;
-foot_top#:=thick#;
-foot_width#:=9/4thick#;
+save b, h;
+4h + b = 1/8;
+10h + b = 1/6;
+kuulleke# := thick# * number_design_size * h + b;
+foot_top# := thick#;
+foot_width# := 9/4 thick#;
%
% These numbers were taken from a part that that the EJE violas played
-% 1997 -- Probably Mendelssohn's ouverture Heimkehr aus der Fremde.
+% 1997 -- Probably Mendelssohn's ouverture `Heimkehr aus der Fremde'.
%
+
%
-% TODO all the invocation of flare_path are weird --
-% the horizontal tangents should be more at the center of the
+% TODO all the invocation of flare_path are weird --
+% the horizontal tangents should be more at the center of the
% glyph.
%
-define_pixels(height,thick,thick,thin,hair,flare);
-define_pixels(foot_top,foot_width);
-define_pixels(kuulleke);
+define_pixels (height, thick, thick, thin, hair, flare);
+define_pixels (foot_top, foot_width);
+define_pixels (kuulleke);
+
%
% Yet Another Bulb Routine with smooth inside curve.
%
% alpha = start direction.
-% beta = which side to turn to.
+% beta = which side to turn to
% flare = diameter of the bulb
% line = diameter of line attachment
% direction = is ink on left or right side (1 or -1)
%
-
-%
-% move_away_to = amount left (for 2)
+%
+% move_away_to = amount left (for 2)
% turn_to = amount down (for 2 )
-%
-def number_flare_path(expr pos,alpha,beta,line,flare,
+%
+
+def number_flare_path (expr pos, alpha, beta, line, flare,
+ move_away_to, turn_to, taille, taille_ratio,
+ direction) =
+begingroup;
+ save res;
+ path res;
- move_away_to,
- turn_to, taille, taille_ratio,
- direction) =
- begingroup;
clearxy;
-% z5 = z2 + 0.43* flare *dir (alpha - 1.5 beta);
+% z5 = z2 + 0.43 * flare * dir (alpha - 1.5 beta);
- z4 = (0.75 - taille) [z2r, z2l] + whatever* dir (alpha - beta) ;
- z4 = (taille_ratio * taille) [z3l, z3r] + whatever* dir(alpha);
- penpos1(line,180+beta+alpha);
- z1r=pos;
+ z4 = (0.75 - taille) [z2r, z2l] + whatever * dir (alpha - beta);
+ z4 = (taille_ratio * taille) [z3l, z3r] + whatever * dir (alpha);
- z2r = z1r + move_away_to *dir (alpha) + (line + turn_to) * dir(alpha+beta);
- z3r = 0.5 [z2l,z2r] + 0.5 *flare *dir(alpha + beta);
+ z1r = pos;
+ z2r = z1r + move_away_to * dir (alpha)
+ + (line + turn_to) * dir (alpha + beta);
+ z3r = 0.5 [z2l, z2r] + 0.5 * flare * dir (alpha + beta);
- penpos2(flare, alpha );
- penpos3(flare, alpha + beta);
- penlabels(1, 2, 3, 4, 5);
- pickup pencircle;
+ penpos1 (line, 180 + beta + alpha);
+ penpos2 (flare, alpha );
+ penpos3 (flare, alpha + beta);
- save p;
- path p;
- p := z1r{dir(alpha)}
- .. z2r{dir(180+alpha-beta)}
- .. z3r{dir(alpha+180)}
- .. z2l{dir(alpha-beta)}
+ penlabels (1, 2, 3, 4, 5);
+ res := z1r{dir (alpha)}
+ .. z2r{dir (180 + alpha - beta)}
+ .. z3r{dir (alpha + 180)}
+ .. z2l{dir (alpha - beta)}
%%% Two versions of the curve: one with z4, the other with z5.
-% .. z5{dir(alpha- beta/2 )}
- ..z4{dir(180+alpha+beta)}
- ..z1l{dir(alpha+180)};
-% draw p ;
- if direction = 1:
- p
- else:
- reverse p
- fi
- endgroup
- enddef;
+% .. z5{dir (alpha - beta / 2)}
+ .. z4{dir (180 + alpha + beta)}
+ .. z1l{dir (alpha + 180)};
+% pickup pencircle;
+% draw res;
-def calc_kuulleke(expr w,alpha) =
- begingroup;
- save beta; beta=(alpha-90)/2;
- save gamma; gamma=(90+alpha)/2;
+ if direction <> 1:
+ res := reverse res;
+ fi;
- penpos1(w/cosd(alpha),alpha);
- penpos2(hair,90+beta);
- z2=z1l+(1/2hair/tand((alpha+90)/2))*dir(beta);
+res
+endgroup
+enddef;
- penpos3(hair,gamma-90);
- z3=z1r-(1/2hair/tand((90-alpha)/2))*dir(gamma);
- z4=z1+kuulleke*dir(alpha-90);
- endgroup;
- enddef;
-% should make generic macro?
+def calc_kuulleke (expr w, alpha) =
+begingroup;
+ save beta, gamma;
+
+ beta = (alpha - 90) / 2;
+ gamma = (90 + alpha) / 2;
+
+ penpos1 (w / cosd (alpha), alpha);
+ penpos2 (hair, 90 + beta);
+ penpos3 (hair, gamma - 90);
+
+ z2 = z1l + (1/2 hair / tand ((alpha + 90) / 2)) * dir (beta);
+ z3 = z1r - (1/2 hair / tand ((90 - alpha) / 2)) * dir (gamma);
+ z4 = z1 + kuulleke * dir (alpha - 90);
+endgroup;
+enddef;
+
+
+% should make generic macro?
%
-def draw_foot(expr xpos) =
- begingroup;
+def draw_foot(expr xpos) =
+begingroup;
clearxy;
- penpos1(thick,0);
- z1=(xpos,foot_top);
- penpos2(foot_width,0);
- z2=(x1,0);
- penpos3(hair,-90);
- z3r=z2r;
- penpos4(hair,90);
- z4l=z2l;
- z5=(x1,kuulleke);
- penlabels(1,2,3,4);
- fill z1..{right}z1r{down}..{right}z3l..z3r{left}..z5
- ..{left}z4l..z4r{right}..{up}z1l{right}..z1..cycle;
- endgroup;
- enddef;
+
+ penpos1 (thick, 0);
+ penpos2 (foot_width, 0);
+ penpos3 (hair, -90);
+ penpos4 (hair, 90);
+
+ z1= (xpos, foot_top);
+ z2= (x1, 0);
+ z3r = z2r;
+ z4l = z2l;
+ z5 = (x1, kuulleke);
+
+ penlabels (1, 2, 3, 4);
+
+ fill z1
+ .. {right}z1r{down}
+ .. {right}z3l
+ .. z3r{left}
+ .. z5
+ .. {left}z4l
+ .. z4r{right}
+ .. {up}z1l{right}
+ .. z1
+ .. cycle;
+endgroup;
+enddef;
+
def draw_six =
- set_char_box(0, .68 height#*widen, 0, height#);
- message "w:"&decimal w;
- message "h:"&decimal h;
+ save outer_t, t;
+ save before, after, u, v;
+ path before, after;
- penpos1(thin,90);
- z1=(thick,h/2+thin-hair/2);
- penpos2(hair,90);
-
- z2=(w/2,y1);
+ set_char_box (0, .68 height# * widen, 0, height#);
- penpos3 (15/16 thick,0);
- % yup, should use the path fract [] "everywhere"
- x3r=w;
+ message "w:" & decimal w;
+ message "h:" & decimal h;
+
+ penpos2 (hair, 90);
+ z2 = (w / 2, h / 2 + thin - hair / 2);
+
+ penpos3 (15/16 thick, 0);
+ x3r = w;
y3r = .5 [y4r, y2r];
- penpos4(hair,-90);
- z4r=(x2,0);
- penpos6(hair,90);
+
+ penpos4 (hair, -90);
+ z4r = (x2, 0);
+
+ penpos6 (hair, 90);
x6r = .56 w;
y6r = h;
- penpos7(thick,180);
- x7r=0;
+ penpos7 (thick, 180);
+ x7r = 0;
y7r = .50 h;
- penpos10(thick,180);
- z10r=(0,y3);
- penlabels(1,2,3,4,5,6,7,8,9,10,11);
+ penpos10 (thick, 180);
+ z10r = (0, y3);
+
+ penlabels (range 1 thru 10);
+
+ outer_t = 0.88;
+ t := tense;
+ before := z7{right}
+ .. z2r{right};
+ after := z7r{up}
+ .. number_flare_path (z6r, 0, -90, hair, flare,
+ w - x6r - hair / 2, .16 h,
+ 0.05, 2.5, 1)
+ .. z7l{down};
+ (u, v) = before intersectiontimes after;
- save outer_t; outer_t= 0.88;
- save t ; t := tense;
- fill
% draw
- z7{right}..z2r{right}
- ..tension outer_t
- ..z3r{down}
- ..tension outer_t
- ..z4r{left}
-% ..tension t
- ..z7r{up}
-% .. flare_path (z6r,0,-90,hair,flare, 1)
- .. number_flare_path (z6r, 0,-90,hair,flare,
- w - x6r -hair/2, .16 h, 0.05, 2.5, 1)
-
-% ..tension t
- ..z7l{down}
- .. {down}z10l -- cycle;
-
- unfill z2l{right}..tension t..z3l{down}..tension t
- ..z4l{left}..tension t..z10l{up}..tension t..cycle;
- enddef;
+ fill subpath (u, infinity) of before
+ ..tension outer_t.. z3r{down}
+ ..tension outer_t.. z4r{left}
+ .. subpath (0, v) of after
+ .. cycle;
+
+ unfill z2l{right}
+ ..tension t.. z3l{down}
+ ..tension t.. z4l{left}
+ ..tension t.. z10l{up}
+ ..tension t.. cycle;
+enddef;
+
save dot_diam;
-dot_diam# = 7/8flare#;
-define_pixels(dot_diam);
+dot_diam# = 7/8 flare#;
+define_pixels (dot_diam);
+
+
+code := 31; % , 32
-code := 31; % , 32
-fet_beginchar("Space", "space")
- set_char_box(0, space#, 0,height#);
+fet_beginchar ("Space", "space");
+ set_char_box (0, space#, 0, height#);
fet_endchar;
-code := 43; % , = 44
-% urg
-fet_beginchar("Numeral comma", "comma")
- set_char_box(0, dot_diam#, 3/2dot_diam#, dot_diam#);
- pickup pencircle scaled dot_diam;
- draw (dot_diam/2,dot_diam/2);
- z0=(w/3,0);
- alpha=65;
- penpos1(thin,alpha+90);
- z1l=(w/2,-1.5h+hair);
- z2=(w,h/2);
- pickup pencircle;
- filldraw z1l{dir(alpha)}..{up}z2..{z0-z2}z0{right}..{dir(180+alpha)}z1r..cycle;
- labels(0,1,2);
- penlabels(1);
+code := 43; % , = 44
+
+fet_beginchar ("Numeral comma", "comma");
+ save pat, pos;
+ path pat;
+
+ set_char_box (0, dot_diam#, 3/2 dot_diam#, dot_diam#);
+
+ pat := (dot_diam / 2, 0)
+ .. (dot_diam, dot_diam / 2)
+ .. (dot_diam / 2, dot_diam)
+ .. (0, dot_diam / 2)
+ .. cycle;
+
+ pos = ypart (((w / 3, 0) -- (w / 3, dot_diam / 2))
+ intersectiontimes pat);
+ z0 = point pos of pat;
+
+ alpha = 65;
+ penpos1 (thin, alpha + 90);
+
+ z1l = (w / 2, -1.5 h + hair);
+ z2 = (w, h / 2);
+
+ pickup feta_fillpen;
+
+ % include z0 to assist removal of overlaps
+ fill subpath (0,3) of pat
+ .. z0
+ .. cycle;
+ filldraw z1l{dir(alpha)}
+ .. {up}z2
+ -- z0{direction pos of pat}
+ ..tension 0.95.. {dir (180 + alpha)}z1r
+ .. cycle;
+
+ labels (0, 2);
+ penlabels (1);
fet_endchar;
-fet_beginchar("Numeral dash", "hyphen")
- set_char_box(0, height#/3, 0, height#);
- pickup pencircle scaled thin;
- lft x1 = -b;
- rt x2 = w;
- y1 = y2 = h/3;
- draw z1 .. z2;
+
+fet_beginchar ("Numeral dash", "hyphen");
+ set_char_box (0, height# / 3, 0, height#);
+
+ draw_rounded_block ((-b, h / 3 - thin / 2),
+ (w, h / 3 + thin / 2), thin);
fet_endchar;
-fet_beginchar("Numeral dot", "period")
- set_char_box(0, dot_diam#, 0, dot_diam#);
+
+fet_beginchar ("Numeral dot", "period");
+ set_char_box (0, dot_diam#, 0, dot_diam#);
+
pickup pencircle scaled dot_diam;
- draw (dot_diam/2,dot_diam/2);
+
+ drawdot (dot_diam / 2, dot_diam / 2);
fet_endchar;
% skip slash
-code := 47; % 0 = 48
-
-fet_beginchar("Numeral 0", "zero")
- set_char_box(0, 11/15height# * widen, 0, height#);
- message "w:"&decimal w;
- message "h:"&decimal h;
- penpos1(thin,90);
- z1r=(w/2,h);
- penpos2(thick,180);
- z2r=(0,h/2);
- penpos3(thin,-90);
- z3r=(w/2,0);
- penpos4(thick,0);
- z4r=(w,h/2);
- fill z1r..z2r..z3r..z4r..cycle;
- save t; t=1/tense;
- penlabels(1,2,3,4);
- unfill z1l..tension t..z2l..tension t..z3l
- ..tension t..z4l..tension t..cycle;
+code := 47; % 0 = 48
+
+fet_beginchar("Numeral 0", "zero");
+ set_char_box (0, 11/15 height# * widen, 0, height#);
+
+ message "w:" & decimal w;
+ message "h:" & decimal h;
+
+ penpos1 (thin, 90);
+ penpos2 (thick, 180);
+ penpos3 (thin,- 90);
+ penpos4 (thick, 0);
+
+ z1r = (w / 2, h);
+ z2r = (0, h / 2);
+ z3r = (w / 2, 0);
+ z4r = (w, h / 2);
+
+ fill z1r
+ .. z2r
+ .. z3r
+ .. z4r
+ .. cycle;
+
+ save t;
+ t = 1 / tense;
+
+ penlabels (1, 2, 3, 4);
+
+ unfill z1l
+ ..tension t.. z2l
+ ..tension t.. z3l
+ ..tension t.. z4l
+ ..tension t.. cycle;
fet_endchar;
-
-fet_beginchar("Numeral 1", "one")
-% set_char_box(0, 19/30height#*widen, 0, height#);
- set_char_box(0, 1/2foot_width#+3/2thick#+1/2hair#, 0, height#);
- message "w:"&decimal w;
- message "h:"&decimal h;
-
- save alpha; alpha=0;
- calc_kuulleke(thick,alpha);
- z1=(3/2thick,height);
-
- penpos5(thick,0);
- z5=(x1,foot_top);
-
- z6=(0,h/2);
- save beta; beta=angle(z1l-z6);
- penpos7(thin,beta-90);
- z7l=z6;
- penpos8(thin/cosd(beta),-90);
- z8l=z1l;
- penpos9(thin,beta-90);
- z9r=z8r+(thin/cosd(beta))*(0,-1);
- penlabels(1,2,3,4,5,6,7,8,9);
- save gamma; gamma=angle(length(z1r-z1),+2kuulleke);
- fill z2r{dir(alpha-gamma)}..z4..{dir(alpha+gamma)}z3l..z3r{down}
- ..{down}z5r{left}..z5..{left}z5l{up}..{up}z2l..cycle;
- fill z7l{dir(beta)}..{dir(beta)}z1l..z2r..z9r{up}
- ..z9l{dir(180+beta)}..{dir(180+beta)}z7r..cycle;
- penlabels(7,8,9);
-
- draw_foot(x1);
+
+
+fet_beginchar ("Numeral 1", "one");
+ save alpha, beta, gamma;
+
+% set_char_box (0, 19/30 height# * widen, 0, height#);
+ set_char_box (0, 1/2 foot_width# + 3/2 thick# + 1/2 hair#,
+ 0, height#);
+
+ message "w:" & decimal w;
+ message "h:" & decimal h;
+
+ alpha = 0;
+ calc_kuulleke (thick, alpha);
+ z1 = (3/2 thick, height);
+
+ penpos5 (thick, 0);
+ z5 = (x1, foot_top);
+
+ z6 = (0, h / 2);
+ beta = angle (z1l - z6);
+
+ penpos7 (thin, beta - 90);
+ z7l = z6;
+
+ penpos8 (thin / cosd (beta), -90);
+ z8l = z1l;
+
+ penpos9 (thin, beta - 90);
+ z9r = z8r + (thin / cosd (beta)) * down;
+
+ penlabels (range 1 thru 9);
+
+ gamma = angle (length (z1r - z1), 2 kuulleke);
+
+ fill z2r{dir (alpha - gamma)}
+ .. z4
+ .. {dir (alpha + gamma)}z3l
+ .. z3r{down}
+ -- z5r
+ -- z5l
+ -- z2l{up}
+ .. cycle;
+
+ fill z7l
+ -- z1l{dir (beta)}
+ .. {dir (alpha - gamma)}z2r
+ -- z9r{up}
+ .. {dir (180 + beta)}z9l
+ -- z7r{dir (180 + beta)}
+ .. {dir (beta)}cycle;
+
+ draw_foot (x1);
fet_endchar;
-fet_beginchar("Numeral 2", "two")
- set_char_box(0, 22/30 height#*widen, 0, height#);
- message "w:"&decimal w;
- message "h:"&decimal h;
- clearxy;
- save alpha; alpha=-45*widen;
- save beta; beta=85;
- save gamma; gamma=beta-10;
+
+fet_beginchar ("Numeral 2", "two");
+ save tolerance;
+ save alpha, beta, gamma, theta;
save flare_start_distance;
+ save t, pat, bow;
+ path pat, bow;
+
+ set_char_box (0, 22/30 height# * widen, 0, height#);
+
+ message "w:" & decimal w;
+ message "h:" & decimal h;
+
+ alpha = -45 * widen;
+ beta = 85;
+ gamma = beta - 10;
+ theta = 20 / widen;
+
+ flare_start = 0.25;
+
+ penpos1 (hair, 90 + beta);
+ z1 = (0, 0) + (1/2 sqrt (2) * hair) * dir (45);
- flare_start = 0.25 ;
- save theta; theta=20/widen;
- penpos1(hair,90+beta);
- z1=(0,0)+(1/2sqrt(2)*hair)*dir(45);
- penpos3(hair,90+gamma);
- z3=(w,thick)+(1/2sqrt(2)*hair)*dir(-135);
- penpos2(thick, 90+alpha -15);
- x2-x1=x3-x2;
- y2=10/16 thick/widen;
- fill z1r{dir(beta)}.. tension 0.9 .. {dir(alpha + 10)}z2r..{dir(gamma)}z3r
- ..z3l{dir(180+gamma)}..{dir(180+alpha - 5)}z2l
- ..{dir(180+beta)}z1l..cycle;
-
- penpos4(thick,0);
- z4r=(w-thin/2, .71 h);
- penpos5(hair,90);
+ penpos3 (hair,90 + gamma);
+ z3 = (w, thick) + (1/2 sqrt (2) * hair) * dir (-135);
+
+ penpos2 (thick, 90 + alpha - 15);
+ x2 - x1 = x3 - x2;
+ y2 = 10/16 thick / widen;
+
+ tolerance := epsilon;
+
+ % Find proper tension to exactly touch the x axis.
+ % Later on we directly use `bow'.
+ vardef f (expr t) =
+ bow := z3l{dir (180 + gamma)}
+ ..tension t.. {dir (180 + alpha -5)}z2l;
+ ypart (directionpoint left of bow) < 0
+ enddef;
+
+ % the return value of `solve' is stored in a dummy variable
+ t = solve f (0.8, 1.2);
+
+ fill z1r{dir (beta)}
+ ..tension 0.9.. {dir (alpha + 10)}z2r
+ .. {dir (gamma)}z3r
+ .. bow
+ .. {dir (180 + beta)}z1l
+ .. cycle;
+
+ penpos4 (thick, 0);
+ z4r = (w - thin / 2, .71 h);
+
+ penpos5 (hair, 90);
y5r = h;
- x5r = 9/20 w ;
+ x5r = 9/20 w;
- penlabels(1,2,3,4);
- penlabels(5,6);
- save t; t=tense;
+ penlabels (range 1 thru 6);
- save p;
- path p ;
- p := z1l{dir(beta)}..tension t..z4r{up}
- .. number_flare_path(z5r,180,90,hair, 1.05 flare,
- x5r - 1/2 hair,
- .21 h, 0.006, 0.4, 1)
- .. z4l{down}..tension t
- ..{dir(180+beta)}z1r..cycle;
+ t := tense;
- pickup pencircle scaled 1;
-% draw p;
- fill p;
+ pat := z1l{dir (beta)}
+ ..tension t.. z4r{up}
+ .. number_flare_path (z5r, 180, 90, hair, 1.05 flare,
+ x5r - 1/2 hair, .21 h, 0.006, 0.4, 1)
+ .. z4l{down}
+ ..tension t.. {dir (180 + beta)}z1r
+ -- cycle;
+% pickup pencircle scaled 1;
+% draw pat;
+
+ fill pat;
fet_endchar;
%%
-% TODO: should widen a bit. The right edge of the 3 bumps into next glyph in
-% combinations
+% TODO: should widen a bit. The right edge of the 3 bumps into next glyph in
+% combinations
%
-fet_beginchar("Numeral 3", "three")
- set_char_box(0, 2/3height#*widen, 0, height#);
- message "w:"&decimal w;
- message "h:"&decimal h;
- penpos1(hair,-90);
+fet_beginchar ("Numeral 3", "three");
+ set_char_box (0, 2/3 height# * widen, 0, height#);
+
+ message "w:" & decimal w;
+ message "h:" & decimal h;
+
+ penpos1 (hair, -90);
+
+% flare_start = 0.25;
-% flare_start = 0.25 ;
x1l = 36/80 w;
y1l = h;
-
-% z1l=(17/16thick,h);
- penpos2(7/8thick,180);
- x2l= w-thick/8;
- y2l = 3/4h + thick* 3/32;
- penpos3(thin,90);
- z3=(w/2,h/2+1/8thick);
- penpos4(thin,90);
- z4=(5/8thick+1/2thin,y3);
- penpos5(thick,0);
- x5r=w;
- y5r = 17/64 h + thick/16;
-
- penpos6(hair,-90);
-
- x6r= 37/80 w;
+
+% z1l = (17/16 thick, h);
+
+ penpos2 (7/8 thick, 180);
+ x2l = w - thick / 8;
+ y2l = 3/4 h + thick * 3/32;
+
+ penpos3 (thin, 90);
+ z3 = (w / 2, h / 2 + 1/8 thick);
+
+ penpos4 (thin, 90);
+ z4 = (5/8 thick + 1/2 thin, y3);
+
+ penpos5 (thick, 0);
+ x5r = w;
+ y5r = 17/64 h + thick / 16;
+
+ penpos6 (hair, -90);
+ x6r = 37/80 w;
y6r = 0;
- penpos7(3/2thin,90);
- x7 = .83 w ;
+
+ penpos7 (3/2 thin, 90);
+ x7 = .83 w;
y7 = y3;
- penlabels(1,2,3,4,5,6,7);
- save alpha; alpha=25;
- save t; t=tense;
- save outer_t; outer_t := 0.93;
- pickup pencircle scaled 1;
+ penlabels (range 1 thru 7);
+
+ save alpha, t, outer_t;
+ alpha = 25;
+ t = tense;
+ outer_t := 0.93;
+
+% pickup pencircle scaled 1;
% draw
- fill
- number_flare_path (z1l, 180, 90, hair, 7/8 flare, x1l - .5 hair,
- .16 h, 0.06, 1.5, -1)
- ..tension outer_t
- .. z2l{down}
- .. tension outer_t
- ..z7r{dir(180+alpha)}
- ..z7l{dir(-alpha)}
- .. tension outer_t
- ..z5r{down}
- .. tension outer_t
- .. number_flare_path (z6r, 180, -90, hair, flare, x6l,
- .18 h, 0.06, 1.5, 1)
-
- .. z5l{up}
- ..tension t
- ..z3l{left}
- ..z4l{left}
- ..z4r{right}
- ..z3r{right}
- ..tension t
- ..z2r{up}
- ..tension t
- .. cycle
-;
+ fill number_flare_path (z1l, 180, 90, hair, 7/8 flare, x1l - .5 hair,
+ .16 h, 0.06, 1.5, -1)
+ ..tension outer_t.. z2l{down}
+ ..tension outer_t.. z7r{dir (180 + alpha)}
+ .. z7l{dir (-alpha)}
+ ..tension outer_t.. z5r{down}
+ ..tension outer_t.. number_flare_path (z6r, 180, -90, hair,
+ flare, x6l, .18 h, 0.06,
+ 1.5, 1)
+ .. z5l{up}
+ ..tension t.. z3l{left}
+ .. z4l{left}
+ .. z4r{right}
+ .. z3r{right}
+ ..tension t.. z2r{up}
+ ..tension t.. cycle;
fet_endchar;
-
-fet_beginchar("Numeral 4", "four")
- set_char_box(0, 4/5height#*widen, 0, height#);
- message "w:"&decimal w;
- message "h:"&decimal h;
-
- save alpha; alpha=0;
- calc_kuulleke(3/2thick,alpha);
- z1r=(w-3/4thick,height);
-
- z5=(thin,1/4height+thin);
- save beta; beta=angle(z3r-z5);
- penpos6(thin,-90);
- z6l=z5;
- penpos7(thin,-90);
- y7=y6; x7=w-1/2thin;
- penpos8(thin,-alpha);
- z8r=z5;
- penlabels(1,2,3,4,5,6,7);
- save gamma; gamma=angle(length(z1r-z1),+2kuulleke);
- fill z2r{dir(alpha-gamma)}..z4..{dir(alpha+gamma)}z3l
- ..z3r{dir(180+beta)}..{dir(180+beta)}z8r{right}
- ..{right}z7l..z7r{left}..{left}z6r..z8l{dir(beta)}
- ..{up}z2l..cycle;
+fet_beginchar ("Numeral 4", "four");
+ save alpha, beta, gamma;
+
+ set_char_box (0, 4/5 height# * widen, 0, height#);
+
+ message "w:" & decimal w;
+ message "h:" & decimal h;
+
+ alpha = 0;
+ calc_kuulleke (3/2 thick, alpha);
+
+ z1r = (w - 3/4 thick, height);
+ z5 = (thin, 1/4 height + thin);
+
+ beta = angle (z3r - z5);
+
+ penpos6 (thin, -90);
+ z6l = z5;
+
+ penpos7 (thin, -90);
+ y7 = y6;
+ x7 = w - 1/2 thin;
+
+ penpos8 (thin, -alpha);
+ z8r = z5;
+
+ penlabels (range 1 thru 8);
+
+ gamma = angle (length (z1r - z1), 2 kuulleke);
+
+ fill z2r{dir (alpha - gamma)}
+ .. z4
+ .. {dir (alpha + gamma)}z3l
+ .. {dir (180 + beta)}z3r
+ -- z8r
+ -- z7l{right}
+ .. {left}z7r
+ -- z6r{left}
+ ..tension 0.8 and 2.. z8l{dir (beta)}
+ .. {up}z2l
+ .. cycle;
clearxy;
- save alpha; alpha=beta;
- calc_kuulleke(thick,alpha);
- z1r=(w-3/4thick,height-(3/2thin)/cosd(alpha));
+ alpha := beta;
+ calc_kuulleke (thick, alpha);
- penpos5(thick,0);
- z5=(x1,foot_top);
-
- save gamma; gamma=angle(length(z1r-z1),+2kuulleke);
- fill z2r{dir(alpha-gamma)}..z4..{dir(alpha+gamma)}z3l
- ..z3r{down}..{down}z5r{left}..z5..{left}z5l{up}
- ..{up}z2l..cycle;
- penlabels(1,2,3,4,5);
+ z1r = (w - 3/4 thick, height - (3/2 thin) / cosd (alpha));
- draw_foot(x5);
-fet_endchar;
+ penpos5 (thick, 0);
+ z5 = (x1, foot_top);
-fet_beginchar("Numeral 5", "five")
- set_char_box(0, 27/40 height#*widen, 0, height#);
- message "w:"&decimal w;
- message "h:"&decimal h;
- calc_kuulleke(w-thin,0);
-
- z1=(w/2+1/8thick,h);
- save alpha; alpha=0;
- penpos5(thin,0);
- z5l=(x1l,h-15/16thick);
- penpos6(hair,90-45);
- z6=z5r+1/2hair*dir(-45);
- penpos7(thin,0);
- z7l=(x1l,h/2+thin-hair);
- penlabels(1,2,3,4,5,6,7);
- save gamma; gamma=angle(length(z1r-z1),+2kuulleke);
- fill z2r{dir(alpha-gamma)}..z4..{dir(alpha+gamma)}z3l
- ..z3r{dir(-135)}..{left}z6r..z6l{down}..z7r{down}
- ..z7l{up}..{up}z2l..cycle;
- penpos8(thin,90);
- z8l=(x7r,y7r-1/16thick);
- penpos9(thin,90);
+ gamma := angle (length (z1r - z1), 2 kuulleke);
-
- y9=10/16[y5,y7];
- x9 = .36 [x8r, x10r] ;
+ fill z2r{dir (alpha - gamma)}
+ .. z4
+ .. {dir (alpha + gamma)}z3l
+ .. {down}z3r
+ -- z5r
+ -- z5l
+ -- z2l{up}
+ .. cycle;
- penpos10(thick,0);
- x10r = w+ hair/2;
- y10r = 1/2[y9r,y11r];
- penpos11(hair,-90);
- y11r = 0;
- x11r = .7 [0, x10l];
+ penlabels (1, 2, 3, 4, 5);
- penlabels(8,9,10,11, 12);
- save beta; beta=45;
+ draw_foot (x5);
+fet_endchar;
+
+fet_beginchar ("Numeral 5", "five");
+ save alpha, beta, gamma, delta;
save inner_t, outer_t;
- inner_t= 1.0;
- outer_t= .85;
- fill z8r{dir(beta)}..z9r{right}
- ..tension outer_t
- ..z10r{down}
- .. number_flare_path (z11r, 180, -90, hair, flare, x11l,
- .18 h, 0.06, 1.5, 1)
- ..z11l{right}
- ..tension inner_t
- ..z10l{up}
- ..tension inner_t
- ..z9l{left}..z8l{dir(180+beta+10)}..cycle;
+ save pat;
+ path pat;
+
+ set_char_box (0, 27/40 height# * widen, 0, height#);
+
+ message "w:" & decimal w;
+ message "h:" & decimal h;
+
+ alpha = 0;
+ calc_kuulleke (w - thin, alpha);
+
+ z1 = (w / 2 + 1/8 thick, h);
+
+ penpos5 (thin, 0);
+ z5l = (x1l, h - 15/16 thick);
+
+ penpos6 (hair, 90 - 45);
+ z6 = z5r + 1/2 hair * dir (-45);
+
+ penpos7 (thin, 0);
+ z7l = (x1l, h / 2 + thin - hair);
+
+ penlabels (range 1 thru 7);
+
+ gamma = angle (length (z1r - z1), 2 kuulleke);
+
+ pat := z2r{dir (alpha - gamma)}
+ .. z4
+ .. {dir (alpha + gamma)}z3l
+ .. z3r{dir (-135)}
+ .. {left}z6r
+ .. {down}z6l
+ -- z7r{down}
+ .. {up}z7l
+ -- z2l{up}
+ .. cycle;
+ fill pat;
+
+ beta = 45;
+ delta = 180 + beta + 10;
+ z8r = (x7r, y7r - 1/16 thick + thin);
+ z8l = directionpoint dir (delta) of
+ subpath (6, 7) of pat;
+
+ penpos9 (thin, 90);
+ y9 = 10/16 [y5, y7];
+ x9 = .36 [x8r, x10r];
+
+ penpos10 (thick, 0);
+ x10r = w + hair / 2;
+ y10r = 1/2 [y9r, y11r];
+
+ penpos11 (hair, -90);
+ y11r = 0;
+ x11r = .7 [0, x10l];
+ penlabels (range 8 thru 12);
+
+ inner_t = 1.0;
+ outer_t = .85;
+
+ fill z8r {dir (beta)}
+ .. z9r{right}
+ ..tension outer_t.. z10r{down}
+ .. number_flare_path (z11r, 180, -90, hair, flare, x11l,
+ .18 h, 0.06, 1.5, 1)
+ .. z11l{right}
+ ..tension inner_t.. z10l{up}
+ ..tension inner_t.. z9l{left}
+ .. z8l{dir (delta)}
+ -- cycle;
fet_endchar;
-fet_beginchar("Numeral 6", "six")
+
+fet_beginchar ("Numeral 6", "six");
draw_six;
fet_endchar;
-fet_beginchar("Numeral 7", "seven")
- set_char_box(0, 11/15height#*widen, 0, height#);
- message "w:"&decimal w;
- message "h:"&decimal h;
- save alpha; alpha=-180;
+fet_beginchar ("Numeral 7", "seven");
+ save tolerance;
+ save alpha, beta, gamma, delta;
+ save bow;
+ path bow;
+
+ set_char_box (0, 11/15 height# * widen, 0, height#);
+
+ message "w:" & decimal w;
+ message "h:" & decimal h;
+
+ alpha = -180;
+
if true:
- penpos1(3/2thick,180+alpha);
- penpos2(hair,180+alpha-45);
- z2=z1l+(1/4sqrt(2)*hair)*dir(alpha-135);
- penpos3(hair,180+alpha+45);
- z3=z1r+(1/4sqrt(2)*hair)*dir(alpha-45);
- z4=z1+kuulleke*dir(alpha-90);
+ penpos1 (3/2 thick, 180 + alpha);
+ penpos2 (hair, 180 + alpha - 45);
+ penpos3 (hair, 180 + alpha + 45);
+
+ z2 = z1l + (1/4 sqrt (2) * hair) * dir (alpha - 135);
+ z3 = z1r + (1/4 sqrt (2) * hair) * dir (alpha - 45);
+ z4 = z1 + kuulleke * dir (alpha - 90);
else:
- % shit, does not work
- calc_kuulleke(3/2thick,-alpha);
-fi
- z1l=(thin,0);
+ % does not work
+ calc_kuulleke (3/2 thick, -alpha);
+fi;
+
+ z1l = (thin, 0);
- save beta; beta=55;
- penpos5(thin,90+beta);
- z5=(w,h)+(1/2sqrt(2)*thin)*dir(-135);
+ beta = 55;
+ penpos5 (thin, 90 + beta);
+ z5 = (w, h) + (1/2 sqrt (2) * thin) * dir (-135);
+
+ gamma = angle (length (z1r - z1), 2 kuulleke);
+ delta = 12;
- save gamma; gamma=angle(length(z1r-z1),+2kuulleke);
- save delta; delta=12;
pickup pencircle;
- fill z3l{dir(alpha-gamma)}..z4..{dir(alpha+gamma)}z2r..
- z2l{dir(beta+delta)}..{dir(beta)}z5r
- ..z5l{dir(180+beta)}..{dir(delta-90)}z3r..cycle;
- penlabels(1,2,3,4,5);
- clearxy;
- save alpha; alpha=-45*widen;
- penpos1(1/2thick,90);
- z1=(3/2thin,h-(thick+thin)/2);
- penpos3(thin,90+beta);
- z3=(w,h)+(1/2sqrt(2)*thin)*dir(-135);
- penpos2(thick,90+alpha);
- x2=1/2[x1,x3]-1/4thick; y2=h-15/16thick+thin*widen;
-
- penpos4(thin,0);
- z4l=(0,h-thin/2);
- penpos5(thin,0);
- z5l=(0,h/2+thin/2);
-
- penpos6(9/8thick,90);
- z6r=(thin,y1r+2/16thick);
-
- fill z1r{dir(beta)}..{dir(alpha)}z2r..{dir(beta)}z3r
- ..z3l{dir(180+beta)}..{dir(180+alpha)}z2l
- ..{dir(180+beta)}z1l..z6l{down}..{down}z5r
- ..z5l{up}..{up}z4l..z4r{down}..{down}z6r..{right}cycle;
- penlabels(1,2,3,4,5,6);
+ fill z3l{dir (alpha - gamma)}
+ .. z4
+ .. {dir (alpha + gamma)}z2r
+ .. z2l{dir (beta + delta)}
+ .. {dir (beta)}z5r
+ .. z5l{dir (180 + beta)}
+ .. {dir (delta - 90)}z3r
+ .. cycle;
+
+ penlabels (1, 2, 3, 4, 5);
+
+ alpha := -45 * widen;
+
+ penpos11 (1/2 thick, 90);
+ z11 = (3/2 thin, h - (thick + thin) / 2);
+
+ penpos13 (thin, 90 + beta);
+ z13 = z5;
+
+ penpos12 (thick, 90 + alpha);
+ x12 = 1/2 [x11, x13] - 1/4 thick;
+ y12 = h - 15/16 thick + thin * widen;
+
+ penpos14 (thin, 0);
+ z14l = (0, h - thin / 2);
+
+ penpos15 (thin, 0);
+ z15l = (0, h / 2 + thin / 2);
+
+ penpos16 (9/8 thick, 90);
+ z16r = (thin, y11r + 2/16 thick);
+
+ tolerance := epsilon;
+
+ % Find proper tension to exactly touch the x axis.
+ % Later on we directly use `bow'.
+ vardef f (expr t) =
+ bow := z11r{dir (beta)}
+ ..tension t.. {dir (alpha)}z12r;
+ ypart (directionpoint right of bow) > h
+ enddef;
+
+ % the return value of `solve' is stored in a dummy variable
+ t = solve f (0.8, 1.2);
+
+ fill bow
+ .. {dir (beta)}z13r
+ -- z13l{dir (180 + beta)}
+ .. {dir (180 + alpha)}z12l
+ .. {dir (180 + beta)}z11l
+ .. {down}z16l
+ -- z15r{down}
+ .. {up}z15l
+ -- z14l{up}
+ .. {down}z14r
+ -- z16r{down}
+ ..tension 1.5.. {dir (beta)}cycle;
+
+ penlabels (range 11 thru 16);
fet_endchar;
-fet_beginchar("Numeral 8", "eight")
- set_char_box(0, 11/15height#*widen, 0, height#);
- message "w:"&decimal w;
- message "h:"&decimal h;
- save alpha; alpha=60;
- save beta; beta=alpha-15;
- z1=(w/2,h/2+thick/8);
- penpos2(14/8 thin,0);
- z2=(w/3,h/2+thin);
- penpos3(3/2thin,0);
- z3l=(0,h/4+thin/2);
- penpos4(hair,90);
-
- z4l=(x1 ,0);
- penpos5(thick,90+90+alpha);
- z5=z1+w/4*dir(alpha-90);
- penpos6(thick,90+90+alpha);
- z6=z1+(w/4-thin/2)*dir(90+alpha);
- penpos7(hair,90);
- z7r= (x1 + .02 w ,h);
- penpos8(3/2thin,0);
- z8r=(w-thin/2,3/4h+thin/2);
- penpos9( 13/8 thin,0);
- z9=(2/3w,h/2);
- penlabels(1,2,3,4,5,6,7,8,9);
- save t; t=tense;
- fill z2r{dir(180+beta)}..z3r{down}..z4r{right}
- ..z5r{dir(90+alpha)}..z6r{dir(90+alpha)}
- ..tension t..z7r{right}..z8r{down}..z9r{dir(180+beta)}
- ..z9l{dir(beta)}..z8l{up}..z7l{left}..z6l{dir(alpha-90)}
- ..z5l{dir(alpha-90)}..tension t..z4l{left}..z3l{up}
- ..z2l{dir(beta)}..cycle;
+
+fet_beginchar ("Numeral 8", "eight");
+ save alpha, beta;
+
+ set_char_box (0, 11/15 height# * widen, 0, height#);
+
+ message "w:" & decimal w;
+ message "h:" & decimal h;
+
+ alpha = 60;
+ beta = alpha - 15;
+
+ z1 = (w / 2, h / 2 + thick / 8);
+
+ penpos2 (14/8 thin, 0);
+ z2 = (w / 3, h / 2 + thin);
+
+ penpos3 (3/2 thin, 0);
+ z3l = (0, h / 4 + thin / 2);
+
+ penpos4 (hair, 90);
+ z4l = (x1, 0);
+
+ penpos5 (thick, 90 + 90 + alpha);
+ z5 = z1 + w / 4 * dir (alpha - 90);
+
+ penpos6 (thick, 90 + 90 + alpha);
+ z6 = z1 + (w / 4 - thin / 2) * dir (90 + alpha);
+
+ penpos7 (hair, 90);
+ z7r = (x1 + .02 w, h);
+
+ penpos8 (3/2 thin, 0);
+ z8r = (w - thin / 2, 3/4 h + thin / 2);
+
+ penpos9 (13/8 thin, 0);
+ z9 = (2/3 w, h / 2);
+
+ penlabels (range 1 thru 9);
+
+ save t;
+ t = tense;
+
+ fill z2r{dir (180 + beta)}
+ .. z3r{down}
+ .. z4r{right}
+ .. z5r{dir (90 + alpha)}
+ -- z6r{dir (90 + alpha)}
+ ..tension t.. z7r{right}
+ .. z8r{down}
+ .. {dir (180 + beta)}z9r
+ -- z9l{dir (beta)}
+ .. z8l{up}
+ .. z7l{left}
+ .. {dir (alpha - 90)}z6l
+ -- z5l{dir (alpha - 90)}
+ ..tension t.. z4l{left}
+ .. z3l{up}
+ .. {dir (beta)}z2l
+ -- cycle;
fet_endchar;
-fet_beginchar("Numeral 9", "nine")
+
+fet_beginchar ("Numeral 9", "nine");
draw_six;
% xy_mirror_char;
+
currentpicture := currentpicture scaled -1;
- currentpicture := currentpicture shifted (w,h);
+ currentpicture := currentpicture shifted (w, h);
fet_endchar;
-ligtable "3" : "3" kern 0.1 space#, "0" kern 0.1 space#;
-ligtable "2" : "7" kern 0.15 space#;
+ligtable "3":
+ "3" kern 0.1 space#,
+ "0" kern 0.1 space#;
+
+ligtable "2":
+ "7" kern 0.15 space#;
projects / lilypond.git / commitdiff