+%
+% feta-toevallig.mf -- implement Accidentals
+%
+% source file of the Feta (Font-En-Tja) music font
+%
+% (c) 1997--2002 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+%
+
+
%
% Accidentals from various sources, notably
%
-% Baerenreiter edition of Schuberts `Auf dem Strom' (sharp, natural, flat)
-% F Hofmeister edition of Muellers `Etueden fuer Horn' (double sharp)
+% Baerenreiter edition of Schuberts `Auf dem Strom' (sharp, natural)
+% F Hofmeister edition of Muellers `Etueden fuer Horn' (double sharp, flat)
%
fet_begingroup("accidentals");
+%
+% The beams of most sharps have horizontal endings (as if drawn with
+% a square pen). [Wanske] does not mention this, so we'll just ignore
+% this fact
+%
fet_beginchar("Sharp" , "1", "sharp");
- set_char_box(0, 1.1 interline#, 1.5 interline#,
- 1.5 interline#);
+ set_char_box(0, 1.1 staff_space#, 1.5 staff_space#,
+ 1.5 staff_space#);
save interbeam, interstem, beamheight, beamwidth,
- stemwidth;
+ stemwidth, beamslope;
- interbeam := 1.1 interline;
+ interbeam := 1.05 staff_space;
interstem := 7/16 ;
beamheight := 4 stafflinethickness;
beamwidth := w;
- stemwidth := 1.3 stafflinethickness;
- roundness := blot_diameter;
+ stemwidth := 1.5 stafflinethickness;
+ roundness := 2 blot_diameter;
+
pair center;
center := (.5 w, 0);
+ vspan -- -hspan -vspan -- hspan - vspan -- cycle )
shifted center;
- draw_rounded_path((beam shifted (0,-interbeam/2)), roundness);
- draw_rounded_path((beam shifted (0,interbeam/2)), roundness);
+ pickup pencircle scaled roundness;
+ filldraw (beam shifted (0,-interbeam/2));
pickup pencircle scaled stemwidth;
x3 = x4 = xpart center;
- bot y3 = -1.5 interline + ypart center;
- top y4 = 1.5 interline + ypart center;
- path stem;
- stem := z3 .. z4;
numeric xs;
xs := interstem* beamwidth / 2;
- draw stem shifted (- xs, - xs* beamslope);
- draw stem shifted (xs , xs *beamslope);
+
+ (bot y3) + -xs * beamslope = -1.5 staff_space + ypart center;
+ top y4 + xs * beamslope = 1.5 staff_space + ypart center;
+
+ draw_gridline (z3-(xs,xs* beamslope),z4-(xs,xs*beamslope),stemwidth);
+ addto currentpicture also currentpicture rotated 180 shifted (w,0);
labels(1,2,3,4);
+
+
+% to check that it doesn't overshoot staffline.
+%
+% pickup pencircle scaled stafflinethickness;
+% draw (0, 1.5 staff_space ) .. (1 staff_space, 1.5 staff_space);
+
fet_endchar;
-fet_beginchar( "Natural", "0", "natural")
- set_char_box(0, 8/12 interline#, 1.5 interline#, 1.5 interline#);
+%
+% The stems of the natural are brushed (at least, in Barenreiter SCS )
+%
+%
+
+fet_beginchar( "Natural", "0", "natural")
+ save height;
save interbeam, interstem, beamheight, beamwidth,
- stemwidth;
+ stemwidth;
+ save top_stem_thick;
+
+ beamheight# = 4.0 stafflinethickness#;
+ height# = 1.5 staff_space#;
+ set_char_box(0, 2/3 staff_space#, height#, height#);
+
+ define_pixels(height);
+ define_blacker_pixels(beamheight);
+
+ % perhaps we should have a lowres fix?
+ top_stem_thick = 1.9 stafflinethickness;
- beamheight = 4.5 stafflinethickness;
interstem + stemwidth = w;
stemwidth = 1.3 stafflinethickness;
pickup penrazor scaled beamheight rotated 90;
- top y2 = interline - 3/2 stafflinethickness ;
- slope = stafflinethickness / interstem;
+ top y2 = staff_space - 3/2 stafflinethickness ;
+ slope = stafflinethickness / interstem;
draw z1 .. z2;
draw (xpart z1, -y2) .. (xpart z2, -y1);
beamtop = top y2;
-
+
pickup pencircle scaled stemwidth;
- xpart z3 = xpart z1;
- xpart z4 = xpart z2;
- top y3 = 1.5 interline;
+ x3 := round (xpart z1);
+ x4 := round (xpart z2);
+
+ penpos3(top_stem_thick, 0);
+ penpos5(top_stem_thick, 0);
+ penpos4(stemwidth, 0);
+ penpos6(stemwidth, 0);
+
+ y3 = height;
top y4 = beamtop;
- draw (xpart z1, -y4) .. z3;
- draw (xpart z2, -y3) .. z4;
+ x5 = x4;
+ x6 = x3;
+ bot y6 = -beamtop;
+ y5 = - height;
- labels(1,2,3,4);
+ fill simple_serif (z3l, z3r, -30) -- simple_serif(z6r, z6l, -90) -- cycle;
+ fill simple_serif (z5l, z5r, 30) -- simple_serif(z4r, z4l, 90) -- cycle;
+
+
+
+ penlabels(3,4,5,6);
+
+ labels(1,2);
fet_endchar;
+
%
% Dedicated to my mom. (3/10/97)
%
% -- HW
%
+% TODO: remove crook_fatness
+% TODO: document, simplify!
%
-% FIXME more metaness
-% FIXME distribution of the crooks' thickness
+def draw_meta_flat(expr xcenter, w, crook_fatness) =
+ clearxy;
+ save crook_thinness;
+ save top_stem_thick, bottom_stem_thick, hair, smaller_hole;
+ save center;
+ pair center;
+ center = (xcenter, 0);
+
%
-% FIXME probably doesn't look quite right.
+% TODO: parameterize this
%
+ if w >= 0.75 staff_space:
+ smaller_hole = 0.2 stafflinethickness;
+ else:
+ smaller_hole = 0.0 stafflinethickness;
+ fi
+ crook_thinness = 1.1 stafflinethickness;
+ top_stem_thick = 2 stafflinethickness;
+ bottom_stem_thick = 1.2 stafflinethickness;
-def flat_meta_symbol(expr w, d, h,
- stemwidth, crook_fatness, crook_thinness,
- bottom_stem_thick, top_stem_thick)=
- z1 = (0, h);
- z2 = (0, -d);
- brush(z1, top_stem_thick , z2, bottom_stem_thick);
-
- z3 = (0, 7/16 interline);
- z4 = z3 + whatever * (dir 30);
- y4 = 1/2 interline ;
- y5 = 4/16 interline;
- x5 + crook_fatness/2 = w;
- z6 = z2 + (0,-1) * (bottom_stem_thick - crook_thinness);
-
- penpos3(crook_thinness, 90);
- penpos4(crook_thinness, 90);
- penpos5(crook_fatness, 0);
- penpos6(crook_thinness, -90);
- labels(1,2,3,4,5,6);
- penstroke z3e{dir 32} .. z4e{dir 30} .. z5e{down} .. {dir 220}z6e;
- enddef;
+ z1 = (0, 2 staff_space) + center;
+ z2 = (0, - 1/2 staff_space)+ center;
+
+ penpos1(top_stem_thick, 0);
+ penpos2(bottom_stem_thick, 0);
+
+ fill simple_serif(z1r, z1l, 30) -- z2l -- z2r -- cycle;
+
+
+ y3l = (staff_space - stafflinethickness)/2 + ypart center;
+ z3l = whatever [z2r,z1r];
+
+ z3r = .26 [z2r, z1r] + (smaller_hole, 0);
+ z10 = whatever [z2r, z1r] + (smaller_hole , 0);
+
-def flat_symbol (expr w, d, h)=
- save stemwidth, bottom_stem_thick, top_stem_thick,
- crook_thinness, crook_fatness;
- stemwidth = stafflinethickness;
- crook_fatness = 1/4 interline;
- crook_thinness = stemwidth;
- bottom_stem_thick = 5/4 stemwidth;
- top_stem_thick = 2 stemwidth;
- flat_meta_symbol(w,d,h, stemwidth, crook_fatness, crook_thinness,
- bottom_stem_thick, top_stem_thick);
- enddef;
+ z4 = (3/8 staff_space, staff_space/2) + center;
+ penpos4(whatever, 53);
+ y4l - y4r = 2 crook_thinness ;
+% y4l - y4r = 6/20[crook_thinness, crook_fatness] ;
+
+ y5r = 1/4 staff_space + ypart center;
+ x5l = w + xpart center;
+ penpos5(crook_fatness, -175);
+
+ z8 = (0, - staff_space/2 - stafflinethickness/2) + center;
+
+ z9 = (x5,0);
+
+ save ne_angle;
+ ne_angle = angle(z9 - z8);
+
+ z7 = 8/33 [z8,z9] + (1.0 smaller_hole, 0);
+ z6l = 18/33 [z8,z9] + .5 crook_thinness *dir(ne_angle -90);
+
+ penpos7(crook_thinness, ne_angle + 90);
+
+ z6r = .3 (z9-z8) + z7r;
+
+ penpos8(whatever, ne_angle + 90);
+ x8r = xpart center - bottom_stem_thick/2;
+ penlabels(range 0 thru 10);
+
+ y10 = -1/5 staff_space;
+
+ unfill z3r .. z4r{right} .. tension .9
+ .. z6r ---
+ z7r{left}
+ .. z10{z3r-z10} -- cycle;
+ fill z8r{down}
+ .. tension 0.8 ..z8l{(z9-z8)}
+ .. z7l
+ .. z6l
+ .. z5l{up}
+ .. z4l{left} .. z3l -- cycle;
+
+ labels(10);
+enddef;
+
+
%
% unfortunately, 600dpi is not enough to show the brush of the stem.
%
fet_beginchar("Flat", "-1", "flat")
- set_char_box(0, 9/12 interline#, .5 interline#, 2 interline#);
- flat_symbol (w, d, h);
+ set_char_box(1.2 stafflinethickness#, .8 staff_space#, .5 staff_space#, 2 staff_space#);
+ draw_meta_flat(0, w, 1/3 staff_space);
fet_endchar;
-fet_beginchar("Double flat", "-2", "flatflat")
- set_char_box(0, 18/12 interline#, .5 interline#, 2 interline#);
- flat_symbol(w/2, d, h);
- addto currentpicture also currentpicture
- shifted (w/2 - stafflinethickness/2,0);
+
+fet_beginchar("Double Flat", "-2", "flatflat")
+ save left_wid, overlap, right_wid;
+ left_wid = .7;
+ right_wid = .8;
+ overlap = .05;
+ set_char_box(1.2 stafflinethickness#, (left_wid + right_wid -overlap) *staff_space#, .5 staff_space#, 2 staff_space#);
+ draw_meta_flat(0, left_wid* staff_space, 1/3 staff_space);
+ draw_meta_flat((left_wid - overlap) *staff_space,
+ right_wid *staff_space, 1/3 staff_space);
fet_endchar;
-
-fet_beginchar("Double sharp", "2", "sharpsharp")
- set_char_box(0, interline#, .5 interline#, .5 interline#);
+fet_beginchar("Double Sharp", "2", "sharpsharp")
+ set_char_box(0, staff_space#, .5 staff_space#, .5 staff_space#);
save klaverblad, klaversteel;
- klaversteel = 1/15 interline;
- klaverblad = .35 interline;
+ klaversteel = 1/15 staff_space;
+ klaverblad = .35 staff_space;
z1 = (klaversteel, 0);
z2 = (w/2 - klaverblad / 10, h - klaverblad);
z5 = z1 reflectedabout((0,0), (1,1));
labels(1,2,3,4,5);
- draw_rounded_path(
- z1{dir 45} .. {right}z2 -- z3 -- z4{down} .. {dir 225}z5 .. cycle,
- 1/20 interline);
+ pickup pencircle scaled 1/20 staff_space;
+ filldraw
+ z1{dir 45} .. {right}z2 -- z3 --
+ z4{down} .. {dir 225}z5 .. cycle;
+
addto currentpicture also currentpicture yscaled (-d/h);
addto currentpicture also currentpicture xscaled (-1);
currentpicture := currentpicture shifted (w/2,0);
- fet_endchar;
+fet_endchar;
+
+
+def draw_paren =
+ save leftindent;
+ leftindent# := .2 staff_space#;
+ define_pixels(leftindent);
+ set_char_box(0, .5 staff_space#+stafflinethickness#,
+ staff_space#, staff_space#);
+ z1 = (leftindent,h);
+ z2 = (w-stafflinethickness,0);
+ z3 = (leftindent,-d);
+
+ penpos1(stafflinethickness, 35);
+ penpos2(2 stafflinethickness, 0);
+ penpos3(stafflinethickness, -35);
+
+ penlabels(1,2,3);
+ fill z2l{down} .. simple_serif(z3l, z3r, 90) .. z2r{up}
+ .. simple_serif(z1r, z1l, 90) .. z2l{down} -- cycle;
+enddef;
+
+fet_beginchar("Right Parenthesis", "rightparen", "rightparen")
+ draw_paren;
+fet_endchar;
+
+fet_beginchar("Left Parenthesis", "leftparen", "leftparen")
+ draw_paren;
+ currentpicture := currentpicture xscaled -1;
+ set_char_box(charwd, charbp, chardp, charht);
+fet_endchar;
fet_endgroup("accidentals");
projects / lilypond.git / blobdiff