-%
-% 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>
-%
+%
+% feta-toevallig.mf -- implement Accidentals
+%
+% (c) 1997--2008 Han-Wen Nienhuys <hanwen@xs4all.nl>
+%
+
+
+%
+% also show in other configuration wrt staff lines.
+%
+def draw_shifted_too =
+if test > 0:
+ fet_beginchar ("shifted too", "");
+ set_char_box (0, 0, 0, 0);
+ currentpicture := remember_pic;
+
+ draw_staff (-2, 2, 0.5);
+ fet_endchar;
+fi;
+enddef;
%
% Accidentals from various sources, notably
%
% Baerenreiter edition of Schuberts `Auf dem Strom' (sharp, natural)
-% F Hofmeister edition of Muellers `Etueden fuer Horn' (double sharp, flat)
+% F Hofmeister edition of Muellers `Etueden fuer Horn' (double sharp, flat)
%
-%tracingall;
-%proofing := 2;
-%\tracingequations:= tracingonline := 1;
+%
+% Naming for accidentals (including microtonal variants):
+%
+% SHARPBASE[.SLASHES.STEMS]
+% FLATBASE[.MODIFIER]
+%
+% Examples:
+%
+% sharp.slashslash.stem
+% mirroredflat.flat
+%
+%
+
+
+fet_begingroup ("accidentals");
+
-fet_begingroup("accidentals");
+save remember_pic;
+picture remember_pic;
+
+save sharp_beamheight;
+sharp_beamheight# := 0.3 staff_space# + stafflinethickness#;
%
-% 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
+% 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 staff_space#, 1.5 staff_space#,
- 1.5 staff_space#);
-
- save interbeam, interstem, beamheight, beamwidth,
- stemwidth, beamslope;
-
- interbeam := 1.05 staff_space;
- interstem := 7/16 ;
- beamheight := 4 stafflinethickness;
- beamwidth := w;
- 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
- + vspan -- -hspan -vspan -- hspan - vspan -- cycle )
- shifted center;
-
- pickup pencircle scaled roundness;
- filldraw (beam shifted (0,-interbeam/2));
+
+def draw_meta_sharp (expr width, offset) =
+ save beamwidth, beamslope;
+ save ne, nw_dist;
+ pair ne, nw_dist;
+
+ beamwidth := width;
+
+ define_whole_vertical_blacker_pixels (sharp_beamheight);
+
+ clearxy;
+
+ beamslope = sharp_beamheight / beamwidth;
+
+ pickup pencircle scaled 2 blot_diameter;
+
+ rt x2 - lft x1 = beamwidth;
+ z2 = z1 + whatever * (beamwidth, sharp_beamheight);
+ .5 [z1, z3] = (.5 w, offset);
+ x3 = x2;
+ top y2 - bot y3 = sharp_beamheight;
+ x4 = x1;
+ top y1 - bot y4 = sharp_beamheight;
+
+ ne = unitvector (z2 - z1);
+ nw_dist = (ne rotated 90) * blot_diameter;
+
+ fill lft z1{up}
+ ... (z1 + nw_dist){ne}
+ -- (z2 + nw_dist){ne}
+ ... rt z2{down}
+ -- rt z3{down}
+ ... (z3 - nw_dist){-ne}
+ -- (z4 - nw_dist){-ne}
+ ... lft z4{up}
+ -- cycle;
+
+ labels (1, 2, 3, 4);
+enddef;
+
+
+fet_beginchar ("Sharp", "sharp");
+ save stem, stemx, stemwidth;
+ save outer_space, interbeam;
+
+ stemwidth# := stafflinethickness# + .05 staff_space#;
+ define_whole_blacker_pixels (stemwidth);
+
+ interbeam := 1.05 staff_space_rounded;
+
+ set_char_box (0, 1.1 staff_space#,
+ 1.5 staff_space#, 1.5 staff_space#);
+
+ stem := 7 / 16 * w;
+ stemx := hround stem;
+ outer_space := hround ((w - stemx - stemwidth) / 2);
+
+ w := 2 outer_space + stemx + stemwidth;
+ d := d - feta_space_shift;
+
+ draw_meta_sharp (w, -.5 interbeam);
+ draw_meta_sharp (w, -.5 interbeam + vround interbeam);
pickup pencircle scaled stemwidth;
- x3 = x4 = xpart center;
- numeric xs;
- xs := interstem* beamwidth / 2;
+ lft x5 = lft x6 = outer_space;
+ lft x7 = lft x8 = outer_space + stemx;
+ bot y5 = -d;
+ top y6 = vround (1.5 staff_space - stem * beamslope);
+ bot y7 = -top y6 + feta_space_shift;
+ top y8 = h;
- (bot y3) + -xs * beamslope = -1.5 staff_space + ypart center;
- top y4 + xs * beamslope = 1.5 staff_space + ypart center;
+ labels (5, 6, 7, 8);
- 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 (z5, z6, stemwidth);
+ draw_gridline (z7, z8, stemwidth);
+ remember_pic := currentpicture;
-% 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);
+ draw_staff (-2, 2, 0);
+fet_endchar;
- fet_endchar;
+draw_shifted_too;
-%
-% 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;
- save top_stem_thick;
+fet_beginchar ("1/2 Sharp", "sharp.slashslash.stem");
+ save stem, stemwidth;
+ save outer_space, interbeam;
+
+ stemwidth# := stafflinethickness# + .05 staff_space#;
+ define_whole_blacker_pixels (stemwidth);
+
+ interbeam := 1.05 staff_space_rounded;
+
+ set_char_box (0, 0.7 staff_space#,
+ 1.5 staff_space#, 1.5 staff_space#);
+
+ stem := 7 / 16 * w;
+ outer_space := hround ((w - stemwidth) / 2);
+
+ w := 2 outer_space + stemwidth;
+ d := d - feta_space_shift;
+
+ draw_meta_sharp (w, -.5 interbeam);
+ draw_meta_sharp (w, -.5 interbeam + vround interbeam);
+
+ pickup pencircle scaled stemwidth;
+
+ lft x5 = lft x6 = outer_space;
+ top y6 = vround (1.5 staff_space - .5 stem);
+ bot y5 = -top y6 + feta_space_shift;
+
+ labels (5, 6);
+
+ draw_gridline (z5, z6, stemwidth);
+
+ remember_pic := currentpicture;
+
+ draw_staff (-2, 2, 0);
+fet_endchar;
+
- beamheight# = 4.0 stafflinethickness#;
- height# = 1.5 staff_space#;
- set_char_box(0, 2/3 staff_space#, height#, height#);
+draw_shifted_too;
- define_pixels(height);
- define_blacker_pixels(beamheight);
- % perhaps we should have a lowres fix?
- top_stem_thick = 1.9 stafflinethickness;
+fet_beginchar ("Sharp (3 beams)", "sharp.slashslashslash.stemstem");
+ save stem, stemx, stemwidth;
+ save outer_space, interbeam;
+ save sharp_beamheight;
- interstem + stemwidth = w;
- stemwidth = 1.3 stafflinethickness;
+ sharp_beamheight# := 0.22 staff_space# + stafflinethickness#;
- z2 -z1 = (interstem, slope * interstem);
- xpart .5 [z2,z1] = xcenter ;
- xcenter = w/2;
+ stemwidth# := stafflinethickness# + .05 staff_space#;
+ define_whole_blacker_pixels (stemwidth);
+ interbeam := 1.2 staff_space_rounded;
- pickup penrazor scaled beamheight rotated 90;
- top y2 = staff_space - 3/2 stafflinethickness ;
- slope = stafflinethickness / interstem;
-
- draw z1 .. z2;
- draw (xpart z1, -y2) .. (xpart z2, -y1);
- beamtop = top y2;
+ set_char_box (0, 1.1 staff_space#,
+ 1.5 staff_space#, 1.5 staff_space#);
+
+ stem := 7 / 16 * w;
+ stemx := hround stem;
+ outer_space := hround ((w - stemx - stemwidth) / 2);
+
+ w := 2 outer_space + stemx + stemwidth;
+ d := d - feta_space_shift;
+
+ draw_meta_sharp (.88 w, -.5 interbeam);
+ draw_meta_sharp (.88 w, -.5 interbeam + vround interbeam);
+ sharp_beamheight# := 1/.88 sharp_beamheight#;
+ draw_meta_sharp (w, 0);
pickup pencircle scaled stemwidth;
- 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;
+ lft x5 = lft x6 = outer_space;
+ lft x7 = lft x8 = outer_space + stemx;
+ bot y5 = -d;
+ top y6 = vround (1.5 staff_space - stem * beamslope);
+ bot y7 = -top y6 + feta_space_shift;
+ top y8 = h;
- x5 = x4;
- x6 = x3;
- bot y6 = -beamtop;
- y5 = - height;
+ labels (5, 6, 7, 8);
- fill simple_serif (z3l, z3r, -30) -- simple_serif(z6r, z6l, -90) -- cycle;
- fill simple_serif (z5l, z5r, 30) -- simple_serif(z4r, z4l, 90) -- cycle;
+ draw_gridline (z5, z6, stemwidth);
+ draw_gridline (z7, z8, stemwidth);
+ remember_pic := currentpicture;
+ draw_staff (-2, 2, 0);
+fet_endchar;
- penlabels(3,4,5,6);
- labels(1,2);
- fet_endchar;
+draw_shifted_too;
+
+
+fet_beginchar ("1/2 Sharp (3 beams)", "sharp.slashslashslash.stem");
+ save stem, stemx, stemwidth;
+ save outer_space, interbeam;
+ save sharp_beamheight;
+
+ sharp_beamheight# := 0.22 staff_space# + stafflinethickness#;
+
+ stemwidth# := stafflinethickness# + .05 staff_space#;
+ define_whole_blacker_pixels (stemwidth);
+
+ interbeam := 1.2 staff_space_rounded;
+
+ set_char_box (0, 0.95 staff_space#,
+ 1.3 staff_space#, 1.3 staff_space#);
+
+ stem := 7 / 16 * w;
+ outer_space := hround ((w - stemwidth) / 2);
+
+ w := 2 outer_space + stemwidth;
+ d := d - feta_space_shift;
+
+ draw_meta_sharp (.8 w, -.5 interbeam);
+ draw_meta_sharp (.8 w, -.5 interbeam + vround interbeam);
+ sharp_beamheight# := 1/.8 sharp_beamheight#;
+ draw_meta_sharp (w, 0);
+
+ pickup pencircle scaled stemwidth;
+
+ lft x5 = lft x6 = outer_space;
+ top y6 = vround (1.5 staff_space - .5 stem);
+ bot y5 = -top y6 + feta_space_shift;
+ labels (5, 6);
+
+ draw_gridline (z5, z6, stemwidth);
+
+ remember_pic := currentpicture;
+
+ draw_staff (-2, 2, 0);
+fet_endchar;
+
+
+draw_shifted_too;
+
+
+fet_beginchar ("3/4 Sharp", "sharp.slashslash.stemstemstem");
+ save stem, stemx, stemwidth;
+ save outer_space, interbeam;
+
+ stemwidth# := stafflinethickness# + .05 staff_space#;
+ define_whole_blacker_pixels (stemwidth);
+
+ interbeam := 1.05 staff_space_rounded;
+
+ set_char_box (0, 1.6 staff_space#,
+ 1.5 staff_space#, 1.5 staff_space#);
+
+ stem := 9 / 32 * w;
+ stemx := hround stem;
+ outer_space := hround ((w - 2 stemx - stemwidth) / 2);
+
+ w := 2 outer_space + 2 stemx + stemwidth;
+ d := d - feta_space_shift;
+
+ draw_meta_sharp (w, -.5 interbeam);
+ draw_meta_sharp (w, -.5 interbeam + vround interbeam);
+
+ pickup pencircle scaled stemwidth;
+
+ lft x5 = lft x6 = outer_space;
+ lft x7 = lft x8 = outer_space + stemx;
+ lft x9 = lft x10 = outer_space + 2 stemx;
+ bot y5 = -d;
+ top y6 = vround (1.5 staff_space - 2 stem * beamslope);
+ bot y9 = -top y6 + feta_space_shift;
+ top y10 = h;
+ y7 = .5 [y5, y9];
+ y8 = .5 [y6, y10];
+
+ labels (5, 6, 7, 8, 9, 10);
+
+ draw_gridline (z5, z6, stemwidth);
+ draw_gridline (z7, z8, stemwidth);
+ draw_gridline (z9, z10, stemwidth);
+
+ remember_pic := currentpicture;
+
+ draw_staff (-2, 2, 0);
+fet_endchar;
+
+
+draw_shifted_too;
+
+
+%
+% The stems of the natural are brushed (at least, in Barenreiter SCS)
+%
+
+fet_beginchar ("Natural", "natural");
+ save stemwidth, top_stem_thick;
+ save ne, pat_top, pat_bottom;
+ pair ne;
+ path pat_top, pat_bottom;
+
+ top_stem_thick# = stafflinethickness# + .10 staff_space#;
+ stemwidth# = 0.09 staff_space# + .5 stafflinethickness#;
+ define_whole_blacker_pixels (top_stem_thick, stemwidth);
+
+ set_char_box (0, 2/3 staff_space#,
+ 1.5 staff_space#, 1.5 staff_space#);
+
+ d := d - feta_space_shift;
+
+ pickup pencircle scaled stemwidth;
+
+ penpos1 (top_stem_thick, 0);
+ penpos3 (top_stem_thick, 0);
+ penpos2 (stemwidth, 0);
+ penpos4 (stemwidth, 0);
+
+ x2r = w;
+ x4l = 0;
+ x3 = x2;
+ x1 = x4;
+
+ y1 = h;
+ y3 = -d;
+ top y2 = vround (staff_space - 3/2 stafflinethickness);
+ y4 = -y2 + feta_space_shift;
+
+ pat_bottom := z4r{z4r - z1r}
+ .. bot z4
+ .. z4l{z1l - z4l};
+ fill simple_serif (z1l, z1r, -30)
+ -- pat_bottom
+ -- cycle;
+
+ pat_top := z2r{z2r - z3r}
+ .. top z2
+ .. z2l{z3l - z2l};
+ fill simple_serif (z3l, z3r, 30)
+ -- pat_top
+ -- cycle;
+
+ ne = (x2 - x4, stafflinethickness);
+
+ z11' = z3l + whatever * (z2l - z3l);
+ y11' = vround (.5 (staff_space - stafflinethickness));
+ z11 = z11' + whatever * ne;
+ x11 = x12;
+ z12 = directionpoint -ne of pat_top;
+ z13 = z12 + whatever * ne;
+ x13 = x1;
+ z14 = z11 + whatever * ne;
+ x14 = x1;
+
+ z21' = z4r + whatever * (z1r - z4r);
+ y21' = -y11' + feta_space_shift;
+ z21 = z21' + whatever * ne;
+ x21 = x22;
+ z22 = directionpoint -ne of pat_bottom;
+ z23 = z22 + whatever * ne;
+ x23 = x3;
+ z24 = z21 + whatever * ne;
+ x24 = x3;
+
+ fill z11
+ -- z12
+ -- z13
+ -- z14
+ -- cycle;
+ fill z21
+ -- z22
+ -- z23
+ -- z24
+ -- cycle;
+
+ penlabels (1, 2, 3, 4);
+ labels (11, 11', 12, 13, 14, 21, 21', 22, 23, 24);
+
+ remember_pic := currentpicture;
+
+ draw_staff (-2, 2, 0);
+fet_endchar;
+
+
+draw_shifted_too;
%
% Dedicated to my mom. (3/10/97)
%
-% Mamma, ik hou van je; kom je alsjeblieft terug?
+% Mamma, ik hou van je; kom je alsjeblieft terug?
% -- HW
%
-
+%
% TODO: remove crook_fatness
% TODO: document, simplify!
%
-def draw_meta_flat(expr xcenter, w, crook_fatness) =
- clearxy;
+
+def draw_meta_flat (expr xcenter, w, crook_fatness) =
save crook_thinness;
+ save bottom_overshoot, bot_crook_dir;
save top_stem_thick, bottom_stem_thick, hair, smaller_hole;
+ save top_crook_thinness;
+ save zwiep;
save center;
- pair center;
+ pair center, bot_crook_dir;
+ save clearing;
+
+ clearxy;
+
+ % the stem shouldn't reach the top staff line.
+ %% TODO: should take from height.
+ %
+ % TODO: parameterize this
+ %
+ if w >= 0.75 staff_space:
+ smaller_hole = 0.35 stafflinethickness;
+ else:
+ smaller_hole = 0;
+ fi;
+ clearing = 1.7 stafflinethickness;
+ crook_thinness = .7 stafflinethickness + .06 staff_space;
+ top_crook_thinness = 1 stafflinethickness + .065 staff_space;
+ bottom_overshoot = stafflinethickness;
+
+ bottom_stem_thick# = 0.06 staff_space# + 0.6 stafflinethickness#;
+ top_stem_thick# = 0.1 staff_space# + 1.2 stafflinethickness#;
+ define_whole_blacker_pixels (bottom_stem_thick, top_stem_thick);
+
+ if odd (top_stem_thick - bottom_stem_thick):
+ top_stem_thick := top_stem_thick - 1;
+ fi;
+
center = (xcenter, 0);
+ x1l = hround (xcenter - .5 top_stem_thick);
+ y1 = vround (2 staff_space - clearing);
+ x2l = hround (xcenter - .5 bottom_stem_thick);
+ y2 = -.5 staff_space - .5 stafflinethickness;
+
+ penpos1 (top_stem_thick, 0);
+ penpos2 (bottom_stem_thick, 0);
+
+ y3l = vfloor ((staff_space - stafflinethickness) / 2);
+ z3l = whatever [z2r, z1r];
+ z3r = .3 [z2r, z1r] + (smaller_hole, 0);
+ x3r := hceiling x3r;
+
+ % we insert z3l to get better conversion with mf2pt1
+ fill simple_serif (z1r, z1l, 30)
+ -- z2l
+ -- z2r
+ -- z3l
+ -- cycle;
+
+ z10 = whatever [z2r, z1r] + (smaller_hole, 0);
+ y10 = -1/10 staff_space;
+ x10 := hceiling x10;
+
+ x11 = xcenter + bottom_overshoot / 3;
+ y11 = -vround (.5 (staff_space + stafflinethickness)
+ + bottom_overshoot);
+
+ penpos4 (whatever, 53);
+
+ y4l - y4r = top_crook_thinness;
+ y5r = .15 staff_space;
+ x5l = hround (w + xcenter);
+ y4 = staff_space / 2;
+ x4r = .45 [x5r, x3r];
+ y4l := vround y4l;
+
+ penpos5 (crook_fatness, -175);
+
+ bot_crook_dir = unitvector ((x5l, 0) - z11);
+ z8 = z11 + whatever * bot_crook_dir;
+ y8 = -staff_space / 2;
+
+ z7 = z8
+ + whatever * bot_crook_dir
+ + crook_thinness * (bot_crook_dir rotated 90);
+ x7 = .1 [x3r, x8];
+
+ unfill z3r{z3r - z10}
+ .. z4r{right}
+ .. z5r{down}
+ .. z7{-bot_crook_dir}
+ & z7
+ .. z10{z3r - z10}
+ -- cycle;
+
+ fill z2l{down}
+ .. z11{right}
+ .. z8{bot_crook_dir}
+ .. z5l{up}
+ .. z4l{left}
+ .. z3l
+ -- cycle;
+enddef;
+
+
%
-% TODO: parameterize this
+% unfortunately, 600dpi is not enough to show the brush of the stem.
%
- if w >= 0.75 staff_space:
- smaller_hole = 0.2 stafflinethickness;
+
+fet_beginchar ("Flat", "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);
+ penlabels (range 0 thru 11);
+
+ remember_pic := currentpicture;
+
+ draw_staff (-2, 2, 0);
+fet_endchar;
+
+
+draw_shifted_too;
+
+
+fet_beginchar ("Flat (slashed)", "flat.slash");
+ set_char_box (.4 staff_space#, .8 staff_space#,
+ 0.6 staff_space#, 1.9 staff_space#);
+
+ draw_meta_flat (0, w, 0.31 staff_space);
+
+ clearxy;
+
+ save slope, slash_width;
+ slope = 0.5;
+ slash_width = w;
+
+ z11 = (0, h / 2);
+ z12 = z11 - (slash_width, slash_width * slope) / 2;
+ z13 = z11 + (slash_width, slash_width * slope) / 2;
+ penpos12 (1.5 stafflinethickness, angle (z13 - z12) - 90);
+ penpos13 (1.5 stafflinethickness, angle (z13 - z12) - 90);
+
+ z14 = z12 - .75 stafflinethickness * unitvector (z13 - z12);
+ z15 = z13 + .75 stafflinethickness * unitvector (z13 - z12);
+
+ fill z13r
+ .. z15
+ .. z13l
+ -- z12l
+ .. z14
+ .. z12r
+ -- z13r
+ .. cycle;
+
+ penlabels (12, 13);
+ labels (14, 15);
+
+ remember_pic := currentpicture;
+
+ draw_staff (-2, 2, 0);
+fet_endchar;
+
+
+fet_beginchar ("Flat (slashed twice)", "flat.slashslash");
+ set_char_box (.4 staff_space#, .8 staff_space#,
+ 0.6 staff_space#, 1.9 staff_space#);
+
+ draw_meta_flat (0, w, 0.31 staff_space);
+
+ clearxy;
+
+ save slope, slash_width;
+ slope = 0.5;
+ slash_width = w;
+
+ z11 = (0, 5/12 h);
+ z12 = z11 - (slash_width, slash_width * slope) / 2;
+ z13 = z11 + (slash_width, slash_width * slope) / 2;
+ penpos12 (1.5 stafflinethickness, angle (z13 - z12) - 90);
+ penpos13 (1.5 stafflinethickness, angle (z13 - z12) - 90);
+
+ z14 = z12 - .75 stafflinethickness * unitvector (z13 - z12);
+ z15 = z13 + .75 stafflinethickness * unitvector (z13 - z12);
+
+ fill z13r
+ .. z15
+ .. z13l
+ -- z12l
+ .. z14
+ .. z12r
+ -- z13r
+ .. cycle;
+
+ penlabels (12, 13);
+ labels (14, 15);
+
+ z21 = (0, 2/3 h);
+ z22 = z21 - (slash_width, slash_width * slope) / 2;
+ z23 = z21 + (slash_width, slash_width * slope) / 2;
+ penpos22 (1.5 stafflinethickness, angle (z23 - z22) - 90);
+ penpos23 (1.5 stafflinethickness, angle (z23 - z22) - 90);
+
+ z24 = z22 - .75 stafflinethickness * unitvector (z23 - z22);
+ z25 = z23 + .75 stafflinethickness * unitvector (z23 - z22);
+
+ fill z23r
+ .. z25
+ .. z23l
+ -- z22l
+ .. z24
+ .. z22r
+ -- z23r
+ .. cycle;
+
+ penlabels (22, 23);
+ labels (24, 25);
+
+ remember_pic := currentpicture;
+
+ draw_staff (-2, 2, 0);
+fet_endchar;
+
+
+fet_beginchar ("Flatflat (mirrored)", "mirroredflat.flat");
+ set_char_box (0, 1.6 staff_space#,
+ 0.6 staff_space#, 1.9 staff_space#);
+
+ % This is a modified version of `draw_meta_flat'.
+
+ save crook_thinness, crook_fatness;
+ save bottom_overshoot, bot_crook_dir;
+ save top_stem_thick, bottom_stem_thick, hair, smaller_hole;
+ save top_crook_thinness;
+ save zwiep;
+ save center;
+ pair center, bot_crook_dir;
+ save clearing, wid;
+ save pat;
+ path pat;
+
+ clearxy;
+
+ wid = w / 2;
+
+ % the stem shouldn't reach the top staff line.
+ %% TODO: should take from height.
+ %
+ % TODO: parameterize this
+ %
+ if wid >= 0.75 staff_space:
+ smaller_hole = 0.35 stafflinethickness;
else:
- smaller_hole = 0.0 stafflinethickness;
- fi
- crook_thinness = 1.1 stafflinethickness;
- top_stem_thick = 2 stafflinethickness;
- bottom_stem_thick = 1.2 stafflinethickness;
+ smaller_hole = 0;
+ fi;
+ clearing = 1.7 stafflinethickness;
+ crook_thinness = .7 stafflinethickness + .06 staff_space;
+ crook_fatness = 0.31 staff_space;
+ top_crook_thinness = 1 stafflinethickness + .065 staff_space;
+ bottom_overshoot = stafflinethickness;
+
+ bottom_stem_thick# = 0.06 staff_space# + 0.6 stafflinethickness#;
+ top_stem_thick# = 0.1 staff_space# + 1.2 stafflinethickness#;
+ define_whole_blacker_pixels (bottom_stem_thick, top_stem_thick);
+
+ if odd (top_stem_thick - bottom_stem_thick):
+ top_stem_thick := top_stem_thick - 1;
+ fi;
+
+ center = (0, 0);
+
+ x1l = hround (-.5 top_stem_thick);
+ y1 = vround (2 staff_space - clearing);
+ x2l = hround (-.5 bottom_stem_thick);
+ y2 = -.5 staff_space - .5 stafflinethickness;
+
+ penpos1 (top_stem_thick, 0);
+ penpos2 (bottom_stem_thick, 0);
+
+ y3l = vfloor ((staff_space - stafflinethickness) / 2);
+ z3l = whatever [z2r, z1r];
+ z3r = .3 [z2r, z1r] + (smaller_hole, 0);
+ x3r := hceiling x3r;
+
+ z10 = whatever [z2r, z1r] + (smaller_hole, 0);
+ y10 = -1/10 staff_space;
+ x10 := hceiling x10;
+
+ x11 = bottom_overshoot / 3;
+ y11 = -vround (.5 (staff_space + stafflinethickness)
+ + bottom_overshoot);
+
+ penpos4 (whatever, 53);
+
+ y4l - y4r = top_crook_thinness;
+ y5r = .15 staff_space;
+ x5l = hround (wid);
+ y4 = staff_space / 2;
+ x4r = .45 [x5r, x3r];
+ y4l := vround y4l;
+
+ penpos5 (crook_fatness, -175);
+
+ bot_crook_dir = unitvector ((x5l, 0) - z11);
+ z8 = z11 + whatever * bot_crook_dir;
+ y8 = -staff_space / 2;
+
+ z7 = z8
+ + whatever * bot_crook_dir
+ + crook_thinness * (bot_crook_dir rotated 90);
+ x7 = .1 [x3r, x8];
+
+ pat := z3r{z3r - z10}
+ .. z4r{right}
+ .. z5r{down}
+ .. z7{-bot_crook_dir}
+ & z7
+ .. z10{z3r - z10}
+ -- cycle;
+ unfill pat;
+ unfill pat xscaled -1;
+
+ pat := z11{right}
+ .. z8{bot_crook_dir}
+ .. z5l{up}
+ .. z4l{left}
+ .. z3l;
+ fill pat
+ -- simple_serif (z1r, z1l, 30)
+ -- reverse pat xscaled -1 shifted (-feta_eps, 0)
+ -- cycle;
+
+ currentpicture := currentpicture shifted (w/2, 0);
+
+ remember_pic := currentpicture;
+
+ draw_staff (-2, 2, 0);
+fet_endchar;
- z1 = (0, 2 staff_space) + center;
- z2 = (0, - 1/2 staff_space)+ center;
+draw_shifted_too;
- penpos1(top_stem_thick, 0);
- penpos2(bottom_stem_thick, 0);
- fill simple_serif(z1r, z1l, 30) -- z2l -- z2r -- cycle;
+fet_beginchar ("Semi flat", "mirroredflat");
+ 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;
- 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);
+fet_beginchar ("Semi flat", "mirroredflat.backslash");
+ set_char_box (.4 staff_space#, .8 staff_space#,
+ 0.6 staff_space#, 1.9 staff_space#);
-
+ draw_meta_flat (0, w, 0.31 staff_space);
- 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] ;
+ clearxy;
- y5r = 1/4 staff_space + ypart center;
- x5l = w + xpart center;
- penpos5(crook_fatness, -175);
+ save slope, slash_width;
+ slope = 0.5;
+ slash_width = w;
- z8 = (0, - staff_space/2 - stafflinethickness/2) + center;
+ z11 = (0, h / 2);
+ z12 = z11 - (slash_width, slash_width * slope) / 2;
+ z13 = z11 + (slash_width, slash_width * slope) / 2;
+ penpos12 (1.5 stafflinethickness, angle (z13 - z12) - 90);
+ penpos13 (1.5 stafflinethickness, angle (z13 - z12) - 90);
- z9 = (x5,0);
+ z14 = z12 - .75 stafflinethickness * unitvector (z13 - z12);
+ z15 = z13 + .75 stafflinethickness * unitvector (z13 - z12);
- save ne_angle;
- ne_angle = angle(z9 - z8);
+ fill z13r
+ .. z15
+ .. z13l
+ -- z12l
+ .. z14
+ .. z12r
+ -- z13r
+ .. cycle;
- 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);
+ currentpicture := currentpicture xscaled -1 shifted (w - b, 0);
- z6r = .3 (z9-z8) + z7r;
+ labels (1, 2, 3);
+fet_endchar;
- penpos8(whatever, ne_angle + 90);
- x8r = xpart center - bottom_stem_thick/2;
- penlabels(range 0 thru 10);
- y10 = -1/5 staff_space;
+fet_beginchar ("Double Flat", "flatflat");
+ save left_wid, overlap, right_wid;
- 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;
+ left_wid = .7;
+ right_wid = .8;
+ overlap = .05;
-
-%
-% 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_endchar;
+ 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 (hround ((left_wid - overlap) * staff_space),
+ right_wid * staff_space, 1/3 staff_space);
+fet_endchar;
-fet_beginchar("Double Flat", "-2", "flatflat")
+fet_beginchar ("3/4 Flat", "flatflat.slash");
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, staff_space#, .5 staff_space#, .5 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 (hround ((left_wid - overlap) * staff_space),
+ right_wid * staff_space, 1/3 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 = round (-.25 w - b, .55 staff_space) + feta_offset;
+ z13 = round (.75 w, 1.45 staff_space) + feta_offset;
+ penpos12 (2 stafflinethickness, angle (z13 - z12) - 90);
+ penpos13 (2 stafflinethickness, angle (z13 - z12) - 90);
+
+ z14 = z12 - stafflinethickness * unitvector (z13 - z12);
+ z15 = z13 + stafflinethickness * unitvector (z13 - z12);
+
+ fill z13r
+ .. z15
+ .. z13l
+ -- z12l
+ .. z14
+ .. z12r
+ -- z13r
+ .. cycle;
+
+ penlabels (12, 13);
+ labels (14, 15);
+
+ remember_pic := currentpicture;
+
+ draw_staff (-2, 2, 0);
+fet_endchar;
+
+
+draw_shifted_too;
+
+
+fet_beginchar ("Double Sharp", "doublesharp");
save klaverblad, klaversteel;
+ save pat;
+ path pat;
klaversteel = 1/15 staff_space;
- klaverblad = .35 staff_space;
+ klaverblad = .4 staff_space - .5 stafflinethickness;
- z1 = (klaversteel, 0);
- z2 = (w/2 - klaverblad / 10, h - klaverblad);
- z3 = (w/2, h);
- z4 = z2 reflectedabout((0,0), (1,1));
- z5 = z1 reflectedabout((0,0), (1,1));
-
- labels(1,2,3,4,5);
- pickup pencircle scaled 1/20 staff_space;
- filldraw
- z1{dir 45} .. {right}z2 -- z3 --
- z4{down} .. {dir 225}z5 .. cycle;
-
+ set_char_box (0, staff_space#, .5 staff_space#, .5 staff_space#);
- addto currentpicture also currentpicture yscaled (-d/h);
- addto currentpicture also currentpicture xscaled (-1);
+ z1 = (klaversteel, 0);
+ z2 = (w / 2 - klaverblad / 10, h - klaverblad);
+ z3 = (w / 2, h);
+ z4 = z2 reflectedabout ((0, 0), (1, 1));
+ z5 = z1 reflectedabout ((0, 0), (1, 1));
+
+ labels (1, 2, 3, 4, 5);
+
+ pickup pencircle scaled blot_diameter;
+
+ x2 := hfloor (rt x2) - blot_diameter / 2;
+ x3 := hfloor (rt x3) - blot_diameter / 2;
+ y3 := vfloor (top y3) - blot_diameter / 2;
+ y4 := vfloor (top y4) - blot_diameter / 2;
+
+ pat = (rt z1){dir45}
+ .. {right}(bot z2)
+ .. rt z2
+ -- rt z3{z3 - z2}
+ .. top z3{z4 - z3}
+ -- top z4{z4 - z3}
+ .. (lft z4){down}
+ .. {dir 225}(top z5);
+ pat := pat
+ -- reverse pat xscaled -1 shifted (-feta_eps, 0);
+
+ % assure symmetry -- it's more important to center the glyph on the
+ % staff line than centering it between staff lines, so we use
+ % feta_shift, not feta_space_shift.
+ h := h + feta_shift;
+
+ fill pat shifted (0, feta_shift)
+ -- reverse pat yscaled -1 shifted (0, -feta_eps)
+ -- cycle;
% ugh
- currentpicture := currentpicture shifted (w/2,0);
-
+ currentpicture := currentpicture shifted (hround (w / 2), 0);
+ remember_pic := currentpicture;
+ draw_staff (-2, 2, 0);
fet_endchar;
+draw_shifted_too;
+
+
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;
+ save leftindent;
+
+ leftindent := .2 staff_space;
+
+ set_char_box (0, .5 staff_space# + stafflinethickness#,
+ staff_space#, staff_space#);
+
+ d := d - feta_shift;
+
+ z1 = (leftindent, h);
+ z2 = (w - stafflinethickness, .5 (h - d));
+ z3 = (leftindent, -d);
+
+ penpos1 (stafflinethickness, 35);
+ penpos2 (.1 staff_space + stafflinethickness, 0);
+ penpos3 (stafflinethickness, -35);
+
+ fill z2l{down}
+ .. simple_serif (z3l, z3r, 90)
+ .. z2r{up}
+ .. simple_serif (z1r, z1l, 90)
+ .. z2l{down}
+ -- cycle;
enddef;
-
-fet_beginchar("Right Parenthesis", ")", "rightparen")
+
+
+fet_beginchar ("Right Parenthesis", "rightparen");
draw_paren;
+ penlabels (1, 2, 3);
+
+ remember_pic := currentpicture;
+
+ draw_staff (-2, 2, 0);
fet_endchar;
-fet_beginchar("Left Parenthesis", "(", "leftparen")
+
+draw_shifted_too;
+
+
+fet_beginchar ("Left Parenthesis", "leftparen");
draw_paren;
- currentpicture := currentpicture xscaled -1;
- set_char_box(charwd, charbp, chardp, charht);
-fet_endchar;
-fet_endgroup("accidentals");
+ currentpicture := currentpicture xscaled -1;
+
+ set_char_box (charwd, charbp, chardp, charht);
+fet_endchar;
+fet_endgroup ("accidentals");
projects / lilypond.git / blobdiff