%
% source file of the Feta (Font-En-Tja) music font
%
-% (c) 1997--2002 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+% (c) 1997--2003 Han-Wen Nienhuys <hanwen@cs.uu.nl>
%
% 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 staff_space#, 1.5 staff_space#,
- 1.5 staff_space#);
+def draw_meta_sharp (expr width) =
save interbeam, interstem, beamheight, beamwidth,
stemwidth, beamslope;
+ save spanwidth, spanheight;
+
+ save center;
+ pair center;
interbeam := 1.05 staff_space;
- interstem := 7/16 ;
beamheight := 4 stafflinethickness;
- beamwidth := w;
+ beamwidth := width;
stemwidth := 1.5 stafflinethickness;
roundness := 2 blot_diameter;
- pair center;
center := (.5 w, 0);
roundness + 2 spanwidth = beamwidth;
roundness + 2 spanheight = beamheight;
- 2 horizontal_protrusion + interstem * beamwidth + stemwidth
- = beamwidth;
-
-% wanske: whole beamheight; or ca 18 degrees
-% z2 - z1 = (beamwidth - roundness, beamheight/2);
z2 - z1 = (beamwidth - roundness, beamheight);
z1 + z2 = 2*center;
beamslope = (y2-y1)/(x2-x1);
pair hspan, vspan;
hspan = (spanwidth, beamslope * spanwidth);
vspan = (0, spanheight);
-
path beam;
beam := (hspan + vspan -- -hspan
pickup pencircle scaled stemwidth;
x3 = x4 = xpart center;
- numeric xs;
- xs := interstem* beamwidth / 2;
- (bot y3) + -xs * beamslope = -1.5 staff_space + ypart center;
- top y4 + xs * beamslope = 1.5 staff_space + ypart center;
+ enddef;
+
+fet_beginchar("Sharp" , "2", "sharp");
+ set_char_box(0, 1.1 staff_space#, 1.5 staff_space#,
+ 1.5 staff_space#);
+ draw_meta_sharp (w);
+
+ save stemx;
+ stemx := 7 / 32 * w;
+
+ (bot y3) + - stemx * beamslope = -1.5 staff_space + ypart center;
+ top y4 + stemx * 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);
+ draw_gridline (z3-(stemx,stemx* beamslope),z4-(stemx, stemx*beamslope), stemwidth);
+ addto currentpicture also currentpicture rotated 180 shifted (w,0);
-% 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("1/2 Sharp" , "1", "semisharp");
+ set_char_box(0, 0.7 staff_space#, 1.5 staff_space#,
+ 1.5 staff_space#);
+
+ draw_meta_sharp (w);
+ stemx := 7 / 32 * w;
+
+ (bot y3) + - stemx * beamslope = -1.5 staff_space + ypart center;
+ top y4 + stemx * beamslope = 1.5 staff_space + ypart center;
+
+ labels(1,2,3,4);
+
+ draw_gridline (z3, z4, stemwidth);
+ addto currentpicture also currentpicture rotated 180 shifted (w,0);
fet_endchar;
+fet_beginchar("3/4 Sharp" , "3", "threequartersharp");
+ set_char_box(0, 1.6 staff_space#, 1.5 staff_space#,
+ 1.5 staff_space#);
+
+ draw_meta_sharp (w);
+ stemx := 9 / 32 * w;
+
+ (bot y3) + - stemx * beamslope = -1.5 staff_space + ypart center;
+ top y4 + stemx * beamslope = 1.5 staff_space + ypart center;
+
+ labels(1,2,3,4);
+
+ draw_gridline (z3-(stemx,stemx* beamslope),z4-(stemx, stemx*beamslope), stemwidth);
+ draw_gridline (z3, z4, stemwidth);
+ addto currentpicture also currentpicture rotated 180 shifted (w,0);
+
+ fet_endchar;
+
%
% The stems of the natural are brushed (at least, in Barenreiter SCS )
%
%
fet_beginchar( "Natural", "0", "natural")
- save height;
+ save height, xcenter;
save interbeam, interstem, beamheight, beamwidth,
stemwidth;
save top_stem_thick;
define_pixels(height);
define_blacker_pixels(beamheight);
- % perhaps we should have a lowres fix?
- top_stem_thick = 1.9 stafflinethickness;
+ % The +0.4 is a lowres fix to ensure that
+ % the brush doesn't turn into a knob on 600dpi or lower.
+ top_stem_thick = round (1.9 stafflinethickness) + 0.4;
+
interstem + stemwidth = w;
stemwidth = 1.3 stafflinethickness;
%
% TODO: remove crook_fatness
+% TODO: document, simplify!
+%
def draw_meta_flat(expr xcenter, w, crook_fatness) =
clearxy;
save crook_thinness;
- save top_stem_thick, bottom_stem_thick, hair;
+ save bottom_overshoot;
+ save top_stem_thick, bottom_stem_thick, hair, smaller_hole;
+ save top_crook_thinness;
+ save zwiep;
save center;
pair center;
+ save clearing;
center = (xcenter, 0);
- crook_thinness = 1.25 stafflinethickness;
- top_stem_thick = 2 stafflinethickness;
- bottom_stem_thick = 1.2 stafflinethickness;
+% the shouldn't reach to the top staff line.
+%% TODO: should take from height.
+ clearing = 1.2 stafflinethickness;
+%
+% TODO: parameterize this
+%
+ if w >= 0.75 staff_space:
+ smaller_hole = 0.35 stafflinethickness;
+ else:
+ smaller_hole = 0.0 stafflinethickness;
+ fi
+ crook_thinness = 1.3 stafflinethickness;
+ top_crook_thinness = 1.65 stafflinethickness;
+
+ % this is a somewhat heuristic. We should probably make it
+ % straight for low resolution (300 dpi and less).
+ top_stem_thick = round (2.2 stafflinethickness) + 0.74;
+
+ bottom_overshoot = stafflinethickness;
+ bottom_stem_thick = 1.2 stafflinethickness;
- z1 = (0, 2 staff_space) + center;
- z2 = (0, - 1/2 staff_space)+ center;
+ z1 = (0, 2 staff_space) + center - (0, stafflinethickness/2
+ + clearing);
+ z2 = (0, - 1/2 staff_space - stafflinethickness/2 )+ 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;
+ y3l = (staff_space - stafflinethickness) / 2 + ypart center;
z3l = whatever [z2r,z1r];
- z3r = .26 [z2r, z1r];
+ z3r = .3 [z2r, z1r] + (smaller_hole, 0);
+ z10 = whatever [z2r, z1r] + (smaller_hole , 0);
+ z11 = center + (bottom_overshoot/3,
+ -staff_space/2 - stafflinethickness/2) - (0,bottom_overshoot);
- 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;
+ y4l - y4r = top_crook_thinness ;
+
+ y5r = .20 staff_space + ypart center;
x5l = w + xpart center;
- penpos5(crook_fatness, -175);
+ y4 = ypart center + staff_space/2;
+ x4r = .45 [x5r, x3r];
- z8 = (0, - staff_space/2 - stafflinethickness/2) + center;
+ penpos5(crook_fatness, -185);
- z9 = (x5,0);
+ save bot_crook_dir ;
+ pair bot_crook_dir ;
+ bot_crook_dir = unitvector ((x5l,0) - z11);
+ z8 = z11 + whatever * bot_crook_dir;
+ y8 = - staff_space /2 +0.0* stafflinethickness;
- save ne_angle;
- ne_angle = angle(z9 - z8);
+ z7 = z8 + whatever * bot_crook_dir + crook_thinness * (bot_crook_dir rotated 90);
- z7 = 8/33 [z8,z9];
- z6l = 18/33 [z8,z9] + .5 crook_thinness *dir(ne_angle -90);
-
- penpos7(crook_thinness, ne_angle + 90);
+ x7 = .1 [x3r, x8];
- z6r = .3 (z9-z8) + z7r;
+ penlabels(range 0 thru 10);
-% penpos7(crook_thinness, angle(dir(z8-center) -180);
+ y10 = -1/10 staff_space;
+% draw_staff (-2, 2, 0.5);
+ draw_staff (-2, 2, 0.0);
- penpos8(whatever, ne_angle + 90);
- x8r = xpart center - bottom_stem_thick/2;
- penlabels(range 0 thru 10);
+ unfill z3r{z3r-z10} .. z4r{right} .. z5r{down}
- y10 = -1/5 staff_space;
- z10 = whatever [z2r, z1r];
-
- unfill z3r .. z4r{right} .. tension .9
- .. z6r ---
- z7r{left}
- .. z10 -- cycle;
- fill z8r{down}
- .. tension 0.8 ..z8l{(z9-z8)}
- .. z7l
- .. z6l
+ .. z7{- bot_crook_dir}
+ & z7 % .. tension 1.3
+ .. z10{z3r-z10}
+
+ -- cycle;
+ fill z2l{down}
+
+ .. z11{right}
+ .. z8{bot_crook_dir}
.. z5l{up}
.. z4l{left} .. z3l -- cycle;
%
% unfortunately, 600dpi is not enough to show the brush of the stem.
%
-fet_beginchar("Flat", "-1", "flat")
- 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_beginchar("Flat", "-2", "flat")
+ set_char_box(1.2 stafflinethickness#, .8 staff_space#, 0.6 staff_space#, 1.9 staff_space#);
+ draw_meta_flat(0, w, 0.31 staff_space);
fet_endchar;
+fet_beginchar("Semi flat", "-1", "semiflat")
+ set_char_box(1.2 stafflinethickness#, .8 staff_space#, 0.6 staff_space#, 1.9 staff_space#);
+ draw_meta_flat(0, w, 0.31 staff_space);
+ currentpicture := currentpicture xscaled -1 shifted (w - b, 0);
+ fet_endchar;
+
+
+fet_beginchar("Double Flat", "-4", "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#, .6 staff_space#, 1.9 staff_space#);
+ draw_meta_flat(0, left_wid* staff_space, 1/3 staff_space);
+ draw_meta_flat(round ((left_wid - overlap) *staff_space),
+ right_wid *staff_space, 0.33 staff_space);
+ fet_endchar;
-fet_beginchar("Double Flat", "-2", "flatflat")
+fet_beginchar("3/4 Flat", "-3", "threeqflat")
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#);
+ set_char_box(1.2 stafflinethickness#, (left_wid + right_wid -overlap) *staff_space#, .6 staff_space#, 1.9 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);
+ draw_meta_flat(round ((left_wid - overlap) *staff_space),
+ right_wid *staff_space, 0.33 staff_space);
+
+ %% maybe we should clip part of the stems?
+ %% or make the 1st flat smaller?
+ %% or reverse it?
+ pickup pencircle scaled 2 stafflinethickness;
+ z12 = ( - .25 w - b, .55 staff_space);
+ z13 = ( .75 w , 1.45 staff_space);
+ draw z12 -- z13;
fet_endchar;
-fet_beginchar("Double Sharp", "2", "sharpsharp")
+
+fet_beginchar("Double Sharp", "4", "sharpsharp")
set_char_box(0, staff_space#, .5 staff_space#, .5 staff_space#);
save klaverblad, klaversteel;
.. simple_serif(z1r, z1l, 90) .. z2l{down} -- cycle;
enddef;
-fet_beginchar("Right Parenthesis", ")", "rightparen")
+fet_beginchar("Right Parenthesis", "rightparen", "rightparen")
draw_paren;
fet_endchar;
-fet_beginchar("Left Parenthesis", "(", "leftparen")
+fet_beginchar("Left Parenthesis", "leftparen", "leftparen")
draw_paren;
currentpicture := currentpicture xscaled -1;
set_char_box(charwd, charbp, chardp, charht);
projects / lilypond.git / blobdiff