+++ /dev/null
-% -*-Fundamental-*-
-% feta-bolletjes.mf -- implement noteheads
-%
-% source file of LilyPond's pretty-but-neat music font
-%
-% (c) 1997--2009 Jan Nieuwenhuizen <janneke@gnu.org>
-% & Han-Wen Nienhuys <hanwen@xs4all.nl>
-% & Juergen Reuter <reuter@ipd.uka.de>
-%
-
-test_outlines := 0;
-
-
-save remember_pic;
-picture remember_pic;
-
-
-% Most beautiful noteheads are pronounced, not circular,
-% and not even symmetric.
-% These examples are inspired by [Wanske]; see literature list.
-
-
-
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-% NOTE HEAD VARIABLES
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-
-save black_notehead_width, noteheight;
-save half_notehead_width, whole_notehead_width, slash_thick;
-save slash_slope, overdone_heads, solfa_noteheight;
-
-numeric noteheight;
-numeric slash_thick;
-numeric black_notehead_width;
-numeric whole_notehead_width;
-numeric half_notehead_width;
-
-
-fet_begingroup ("noteheads");
-
-
-% Slope of slash. From scm/grob-description.scm. How to auto-copy?
-slash_slope := 1.7;
-
-% Thickness of slash lines. Quarter notes get 1.5slt width.
-slash_thick# := 2/3 * 0.48 staff_space#;
-
-
-%
-% Hand-engraved music often has balls extending above and below
-% the lines. If you like that, modify overdone heads (unit:
-% stafflinethickness).
-%
-overdone_heads = 0.0;
-noteheight# := staff_space# + (1 + overdone_heads) * stafflinethickness#;
-
-
-%
-% solfa heads should not overlap on chords.
-%
-solfa_noteheight# := staff_space# - stafflinethickness#;
-
-define_pixels (slash_thick);
-define_whole_vertical_pixels (noteheight);
-
-
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-%
-% SLANT moves both extrema on the long axis (by SLANT * ELLIPTICITY,
-% so SLANT = -1, puts the extreme on the long axis next to the short
-% axis one).
-%
-
-def draw_outside_ellipse (expr ellipticity, tilt, superness, slant) =
- save attachment_y;
- save pat;
- path pat;
-
- pat := superellipse ((ellipticity, 0), (-slant * ellipticity, 1.0),
- (-ellipticity, 0), (slant * ellipticity, -1.0),
- superness);
- pat := pat rotated tilt;
-
- save top_point, right_point;
- pair top_point, right_point;
-
- top_point := directionpoint left of pat;
- right_point := directionpoint up of pat;
-
- save scaling, width;
-
- scaling# = noteheight# / (2 ypart (top_point));
- width# := 2 xpart (right_point) * scaling#;
- define_pixels (scaling, width);
-
- set_char_box (0, width#, noteheight# / 2, noteheight# / 2);
-
- d := d - feta_space_shift;
-
- % attachment Y
- charwy := ypart (right_point) * scaling#;
- charwx := width#;
-
- pat := pat scaled scaling shifted (w / 2, .5 (h - d));
-
- width := hround width;
-
- if test_outlines = 1:
- draw pat;
- else:
- fill pat;
- fi;
-enddef;
-
-
-def undraw_inside_ellipse (expr ellipticity, tilt, superness, clearance) =
-begingroup
- save pat;
- path pat;
-
- pat := superellipse ((ellipticity, 0), (0, 1.0),
- (-ellipticity, 0), (0, -1.0),
- superness);
- pat := pat rotated tilt;
-
- save top_point, right_point;
- pair top_point, right_point;
-
- top_point := directionpoint left of pat;
- right_point := directionpoint up of pat;
-
- save height, scaling;
-
- height# = staff_space# + stafflinethickness# - clearance;
- scaling# = height# / (2 ypart (top_point));
- define_pixels (scaling);
- pat := pat scaled scaling shifted (w / 2, .5 (h - d));
-
- if test_outlines = 1:
- draw pat;
- else:
- unfill pat;
- fi
-endgroup;
-enddef;
-
-
-%
-% dimensions aren't entirely right.
-%
-def draw_longa (expr up) =
- save stemthick, fudge;
-
- stemthick# = 2 stafflinethickness#;
- define_whole_blacker_pixels (stemthick);
-
- fudge = hround (blot_diameter / 2);
-
- draw_outside_ellipse (1.80, 0, 0.707, 0);
- undraw_inside_ellipse (1.30, 125, 0.68, 2 stafflinethickness#);
-
- pickup pencircle scaled stemthick;
-
- if up:
- bot y1 = -d;
- top y2 = h;
- rt x1 - fudge = 0;
- x1 = x2;
-
- fudge + lft x3 = w;
- x4 = x3;
- top y4 = h + 3.0 staff_space;
- y3 = y1;
- else:
- bot y1 = -d - 3.0 staff_space;
- top y2 = h;
- rt x1 - fudge = 0;
- x1 = x2;
-
- fudge + lft x3 = w;
- x4 = x3;
- y4 = y2;
- bot y3 = -d;
- fi;
-
- draw_gridline (z1, z2, stemthick);
- draw_gridline (z3, z4, stemthick);
-
- labels (1, 2, 3, 4);
-enddef;
-
-
-fet_beginchar ("Longa notehead", "uM2");
- draw_longa (true);
-
- draw_staff (-2, 2, 0);
-fet_endchar;
-
-fet_beginchar ("Longa notehead", "dM2");
- draw_longa (false);
-
- draw_staff (-2, 2, 0);
-fet_endchar;
-
-
-if test > 0:
- fet_beginchar ("Longa notehead", "uM2");
- draw_longa (true);
-
- draw_staff (-2, 2, 0.5);
- fet_endchar;
-
- fet_beginchar ("Longa notehead", "dM2");
- draw_longa (false);
-
- draw_staff (-2, 2, 0.5);
- fet_endchar;
-fi;
-
-
-%
-% dimensions aren't entirely right.
-%
-def draw_brevis =
- save stemthick, fudge;
-
- stemthick# = 2 stafflinethickness#;
- define_whole_blacker_pixels (stemthick);
-
- fudge = hround (blot_diameter / 2);
-
- draw_outside_ellipse (1.80, 0, 0.707, 0);
- undraw_inside_ellipse (1.30, 125, 0.68, 2 stafflinethickness#);
-
- pickup pencircle scaled stemthick;
-
- bot y1 = -d;
- top y2 = h;
- rt x1 - fudge = 0;
- x1 = x2;
-
- fudge + lft x3 = w;
- x4 = x3;
- y4 = y2;
- y3 = y1;
-
- draw_gridline (z1, z2, stemthick);
- draw_gridline (z3, z4, stemthick);
-enddef;
-
-
-fet_beginchar ("Brevis notehead", "sM1");
- draw_brevis;
-
- draw_staff (-2, 2, 0);
-fet_endchar;
-
-
-if test > 0:
- fet_beginchar ("Brevis notehead", "sM1");
- draw_brevis;
-
- draw_staff (-2, 2, 0.5);
- fet_endchar;
-fi;
-
-
-fet_beginchar ("Whole notehead", "s0");
- draw_outside_ellipse (1.80 - puff_up_factor / 3.0, 0, 0.707, 0);
- undraw_inside_ellipse (1.30, 125 - puff_up_factor * 10,
- 0.68, 2 stafflinethickness#);
-
- whole_notehead_width# := charwd;
-
- draw_staff (-2, 2, 0);
-fet_endchar;
-
-
-if test > 0:
- fet_beginchar ("Whole notehead", "s0");
- draw_outside_ellipse (1.80 - puff_up_factor / 3.0, 0,
- 0.707, 0);
- undraw_inside_ellipse (1.30, 125 - puff_up_factor * 10,
- 0.68, 2 stafflinethickness#);
-
- draw_staff (-2, 2, 0.5);
- fet_endchar;
-fi;
-
-
-fet_beginchar ("Half notehead", "s1");
- draw_outside_ellipse (1.53 - puff_up_factor / 3.0, 34, 0.66, 0.17);
- undraw_inside_ellipse (3.25, 33, 0.81, 2.5 stafflinethickness#);
-
- half_notehead_width# := charwd;
-
- draw_staff (-2, 2, 0);
-fet_endchar;
-
-
-if test > 0:
- fet_beginchar ("Half notehead", "s1");
- draw_outside_ellipse (1.53 - puff_up_factor / 3.0, 34,
- 0.66, 0.17);
- undraw_inside_ellipse (3.25, 33, 0.81,
- 2.5 stafflinethickness#);
-
- draw_staff (-2, 2, 0.5);
- fet_endchar;
-fi;
-
-
-fet_beginchar ("Quart notehead", "s2");
- % used to have 32. With 31, they are slightly bolder.
- draw_outside_ellipse (1.49 - puff_up_factor / 3.0, 31, 0.707, 0);
- black_notehead_width# := charwd;
-
- draw_staff (-2, 2, 0);
-fet_endchar;
-
-
-if test > 0:
- fet_beginchar ("Quart notehead", "s2");
- draw_outside_ellipse (1.49 - puff_up_factor / 3.0, 31,
- 0.707, 0);
-
- draw_staff (-2, 2, 0.5);
- fet_endchar;
-fi;
-
-
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-
-
-fet_beginchar ("Whole diamondhead", "s0diamond");
- draw_outside_ellipse (1.80, 0, 0.495, 0);
- undraw_inside_ellipse (1.30, 125, 0.6,
- .4 staff_space# + stafflinethickness#);
-
- draw_staff (-2, 2, 0);
-fet_endchar;
-
-
-if test > 0:
- fet_beginchar ("Whole diamondhead", "s0diamond");
- draw_outside_ellipse (1.80, 0, 0.495, 0);
- undraw_inside_ellipse (1.30, 125, 0.6,
- .4 staff_space# + stafflinethickness#);
-
- draw_staff (-2, 2, 0.5);
- fet_endchar;
-fi;
-
-
-fet_beginchar ("Half diamondhead", "s1diamond");
- draw_outside_ellipse (1.50, 34, 0.49, 0.17);
- undraw_inside_ellipse (3.5, 33, 0.80,
- .3 staff_space# + 1.5 stafflinethickness#);
-
- draw_staff (-2, 2, 0);
-fet_endchar;
-
-
-if test > 0:
- fet_beginchar ("Half diamondhead", "s1diamond");
- draw_outside_ellipse (1.50, 34, 0.49, 0.17);
- undraw_inside_ellipse (3.5, 33, 0.80,
- .3 staff_space#
- + 1.5 stafflinethickness#);
-
- draw_staff (-2, 2, 0.5);
- fet_endchar;
-fi;
-
-
-fet_beginchar ("Quart diamondhead", "s2diamond");
- draw_outside_ellipse (1.80, 35, 0.495, -0.25);
-
- draw_staff (-2, 2, 0);
-fet_endchar;
-
-
-if test > 0:
- fet_beginchar ("Quart diamondhead", "s2diamond");
- draw_outside_ellipse (1.80, 35, 0.495, -0.25);
-
- draw_staff (-2, 2, 0.5);
- fet_endchar;
-fi;
-
-
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-
-
-vardef penposx@# (expr d) =
-begingroup;
- save pat;
- path pat;
-
- pat = top z@#
- .. lft z@#
- .. bot z@#
- .. rt z@#
- .. cycle;
- z@#l = pat intersectionpoint (z@# -- infinity * dir (d + 180));
- z@#r = pat intersectionpoint (z@# -- infinity * dir (d));
-endgroup
-enddef;
-
-
-%
-% UGH: xs not declared as argument.
-%
-def define_triangle_shape (expr stemdir) =
- save triangle_a, triangle_b, triangle_c;
- save triangle_out_a, triangle_out_b, triangle_out_c;
- save triangle_in, triangle_out;
- save width, depth, height;
- save origin, left_up_dir;
- save exact_left_point, exact_right_point, exact_down_point;
-
- path triangle_a, triangle_b, triangle_c;
- path triangle_out_a, triangle_out_b, triangle_out_c;
- path triangle_in, triangle_out;
- pair origin, left_up_dir;
- pair exact_down_point, exact_left_point, exact_right_point;
-
- save pen_thick;
- pen_thick# = stafflinethickness# + .1 staff_space#;
- define_pixels (llap);
- define_blacker_pixels (pen_thick);
-
- left_up_dir = llap# * dir (90 + tilt);
-
- xpart (left_up_dir) * xs - (pen_thick# * xs) / 2 + xpart origin = 0;
- ypart origin = 0;
-
- exact_left_point := origin + (left_up_dir xscaled xs);
- exact_down_point := origin + (left_up_dir rotated 120 xscaled xs);
- exact_right_point := origin + (left_up_dir rotated 240 xscaled xs);
-
- height# = ypart (exact_left_point + origin) + pen_thick# / 2;
- depth# = -ypart (exact_down_point + origin) + pen_thick# / 2;
- width# = xpart (exact_right_point - exact_left_point)
- + pen_thick# * xs;
-
- set_char_box (0, width#, depth#, height#);
-
- % Formerly, the shape has simply been drawn with an elliptical pen
- % (`scaled pen_thick xscaled xs'), but the envelope of such a curve
- % is of 6th degree. For the sake of mf2pt1, we approximate it.
-
- pickup pencircle scaled pen_thick xscaled xs;
-
- z0 = (hround_pixels (xpart origin), 0);
-
- z1 = z1' = z0 + llap * dir (90 + tilt) xscaled xs;
- z2 = z2' = z0 + llap * dir (90 + tilt + 120) xscaled xs;
- z3 = z3' = z0 + llap * dir (90 + tilt + 240) xscaled xs;
-
- z12 = caveness [.5[z1, z2], z3];
- z23 = caveness [.5[z2, z3], z1];
- z31 = caveness [.5[z3, z1], z2];
-
- triangle_a = z1 .. z12 .. z2;
- triangle_b = z2 .. z23 .. z3;
- triangle_c = z3 .. z31 .. z1;
-
- penposx1 (angle (direction 0 of triangle_a) - 90);
- penposx2 (angle (direction 0 of triangle_b) - 90);
- penposx3 (angle (direction 0 of triangle_c) - 90);
-
- penposx1' (angle (direction infinity of triangle_c) + 90);
- penposx2' (angle (direction infinity of triangle_a) + 90);
- penposx3' (angle (direction infinity of triangle_b) + 90);
-
- penposx12 (angle (z12 - z0));
- penposx23 (angle (z23 - z0));
- penposx31 (angle (z31 - z0));
-
- z10 = (z0 -- z1) intersectionpoint (z1l .. z12l .. z2'r);
- z20 = (z0 -- z2) intersectionpoint (z2l .. z23l .. z3'r);
- z30 = (z0 -- z3) intersectionpoint (z3l .. z31l .. z1'r);
-
- triangle_in = z10
- .. z12l
- .. z20
- & z20
- .. z23l
- .. z30
- & z30
- .. z31l
- .. z10
- & cycle;
-
- triangle_out_a = z1r .. z12r .. z2'l;
- triangle_out_b = z2r .. z23r .. z3'l;
- triangle_out_c = z3r .. z31r .. z1'l;
-
- triangle_out = top z1
- .. lft z1
- .. z1r{direction 0 of triangle_out_a}
- & triangle_out_a
- & {direction infinity of triangle_out_a}z2'l
- .. lft z2
- .. bot z2
- .. z2r{direction 0 of triangle_out_b}
- & triangle_out_b
- & {direction infinity of triangle_out_b}z3'l
- .. rt z3
- .. top z3
- .. z3r{direction 0 of triangle_out_c}
- & triangle_out_c
- & {direction infinity of triangle_out_c}z1'l
- .. cycle;
-
- labels (0, 10, 20, 30);
- penlabels (1, 1', 2, 2', 3, 3', 12, 23, 31);
-
- % attachment Y
- if stemdir = 1:
- charwy := ypart exact_right_point;
- charwx := xpart exact_right_point + .5 pen_thick# * xs;
- else:
- charwy := -ypart exact_down_point;
- charwx := width# - (xpart exact_down_point - .5 pen_thick# * xs);
- fi
-enddef;
-
-
-def draw_whole_triangle_head =
- save hei, xs;
- save llap;
- save tilt;
-
- tilt = 40;
- llap# = 3/4 noteheight#;
-
- xs = 1.5;
- caveness := 0.1;
- define_triangle_shape (1);
- fill triangle_out;
- unfill triangle_in;
-enddef;
-
-
-fet_beginchar ("Whole trianglehead", "s0triangle");
- draw_whole_triangle_head;
-
- draw_staff (-2, 2, 0);
-fet_endchar;
-
-
-if test > 0:
- fet_beginchar ("Whole trianglehead", "s0triangle");
- draw_whole_triangle_head;
-
- draw_staff (-2, 2, 0.5);
- fet_endchar;
-fi;
-
-
-def draw_small_triangle_head (expr dir) =
- save hei, xs;
- save llap;
- save tilt;
-
- tilt = 40;
- llap# = 2/3 noteheight#;
- xs = 1.2;
- caveness := 0.1;
- define_triangle_shape (dir);
-
- pickup feta_fillpen;
-
- filldraw triangle_out;
- unfilldraw triangle_in;
-enddef;
-
-
-fet_beginchar ("Half trianglehead (downstem)", "d1triangle");
- draw_small_triangle_head (-1);
-
- draw_staff (-2, 2, 0);
-fet_endchar;
-
-
-fet_beginchar ("Half trianglehead (upstem)", "u1triangle");
- draw_small_triangle_head (1);
-
- draw_staff (-2, 2, 0.5);
-fet_endchar;
-
-
-def draw_closed_triangle_head (expr dir) =
- save hei, xs;
- save llap;
- save tilt;
-
- tilt = 40;
- llap# = 2/3 noteheight#;
- xs = 1.0;
- caveness := 0.1;
- define_triangle_shape (dir);
- fill triangle_out;
-enddef;
-
-
-fet_beginchar ("Quart trianglehead (upstem)", "u2triangle");
- draw_closed_triangle_head (1);
-
- draw_staff (-2, 2, 0);
-fet_endchar;
-
-
-fet_beginchar ("Quart trianglehead (downstem)", "d2triangle");
- draw_closed_triangle_head (-1);
-
- draw_staff (-2, 2, 0.5);
-fet_endchar;
-
-
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-%
-% Slash heads are for indicating improvisation. They are
-% twice as high as normal heads.
-%
-def draw_slash (expr hwid_hash) =
- save exact_height;
- save ne, nw_dist;
- pair ne, nw_dist;
- exact_height = staff_space# + stafflinethickness# / 2;
-
- set_char_box (0, 2 exact_height / slash_slope + hwid_hash,
- exact_height, exact_height);
-
- charwx := charwd;
- charwy := charht;
-
- clearxy;
-
- d := d - feta_shift;
-
- pickup pencircle scaled blot_diameter;
-
- bot y1 = -d;
- top y2 = h;
- lft x1 = 0;
- lft x2 = 2 h / slash_slope;
-
- rt x3 = w;
- y3 = y2;
- y4 = y1;
- x3 - x2 = x4 - x1;
-
- ne = unitvector (z3 - z4);
- nw_dist = (ne rotated 90) * 0.5 blot_diameter;
-
- fill bot z1{left}
- .. (z1 + nw_dist){ne}
- -- (z2 + nw_dist){ne}
- .. top z2{right}
- -- top z3{right}
- .. (z3 - nw_dist){-ne}
- -- (z4 - nw_dist){-ne}
- .. bot z4{left}
- -- cycle;
-
- if hwid_hash > 2 slash_thick#:
- save th;
-
- th = slash_thick - blot_diameter;
- y6 = y7;
- y5 = y8;
- y3 - y7 = th;
- y5 - y1 = th;
- z6 - z5 = whatever * ne;
- z8 - z7 = whatever * ne;
-
- z5 = z1 + whatever * ne + th * (ne rotated -90);
- z8 = z4 + whatever * ne + th * (ne rotated 90);
-
- unfill z5
- -- z6
- -- z7
- -- z8
- -- cycle;
- fi
- labels (range 1 thru 10);
-enddef;
-
-
-fet_beginchar ("Whole slashhead", "s0slash");
- draw_slash (4 slash_thick# + 0.5 staff_space#);
-
- draw_staff (-2, 2, 0);
-fet_endchar;
-
-
-fet_beginchar ("Half slashhead", "s1slash");
- draw_slash (3.0 slash_thick# + 0.15 staff_space#);
-
- draw_staff (-2, 2, 0);
-fet_endchar;
-
-
-fet_beginchar ("Quart slashhead", "s2slash");
- draw_slash (1.5 slash_thick#);
-
- draw_staff (-2, 2, 0);
-fet_endchar;
-
-
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-%
-% `thick' is the distance between the NE/SW parallel lines in the cross
-% (distance between centres of lines) in multiples of stafflinethickness
-%
-def draw_cross (expr thick) =
- save ne, nw;
- save ne_dist, nw_dist, rt_dist, up_dist;
- save crz_in, crz_out;
- save thickness;
- pair ne, nw;
- pair ne_dist, nw_dist, rt_dist, up_dist;
- path crz_in, crz_out;
-
- pen_thick# := 1.2 stafflinethickness#;
- thickness# := thick * stafflinethickness#;
- define_pixels (thickness);
- define_blacker_pixels (pen_thick);
-
- pickup pencircle scaled pen_thick;
-
- h := h - feta_shift;
-
- top y3 = h;
- ne = unitvector ((1, (2 h - pen_thick) / (w - pen_thick)));
- rt x4 = w / 2;
- y5 = 0;
- z4 - z5 = whatever * ne;
- x6 = 0;
- z6 - z3 = whatever * ne;
- z3 - z4 = whatever * (ne yscaled -1);
-
- z4 - z3 = whatever * (ne) + (ne rotated -90) * thickness;
-
-
- x1 = charwd / 2 - .5 pen_thick#;
- z1 = whatever * ne
- + thick / 2 * stafflinethickness# * (ne rotated -90);
-
- % labels (1, 2, 3, 4, 5, 6);
-
- nw = unitvector (z3 - z4);
-
- up_dist = up * 0.5 pen_thick / cosd (angle (ne));
- rt_dist = right * 0.5 pen_thick / sind (angle (ne));
- nw_dist = (ne rotated 90) * 0.5 pen_thick;
- ne_dist = (nw rotated -90) * 0.5 pen_thick;
-
- x4' := x4;
- x5' := x5;
- y6' := y6;
-
- x4 := hround (x4' + .5 pen_thick) - .5 pen_thick;
- x5 := hfloor (x5' + xpart rt_dist) - xpart rt_dist;
- y6 := vfloor (y6' + ypart up_dist) - ypart up_dist;
-
- crz_out = (z6 + up_dist)
- -- (z3 + nw_dist){ne}
- .. (top z3)
- .. (z3 + ne_dist){-nw}
- -- (z4 + ne_dist){-nw}
- .. (rt z4)
- .. (z4 - nw_dist){-ne}
- -- (z5 + rt_dist);
- crz_out := crz_out shifted (0, feta_shift)
- -- reverse crz_out yscaled -1 shifted (0, -feta_eps);
- fill crz_out
- -- reverse crz_out xscaled -1 shifted (-feta_eps, 0)
- -- cycle;
-
- if (thick > 1):
- x4 := hround (x4' - xpart rt_dist) + xpart rt_dist;
- x5 := hceiling (x5' - .5 pen_thick) + .5 pen_thick;
- y6 := vfloor (y6' - .5 pen_thick) + .5 pen_thick;
-
- crz_in = (bot z6){right}
- .. (z6 - nw_dist){ne}
- -- (z3 - up_dist)
- -- (z4 - rt_dist)
- -- (z5 + nw_dist){-ne}
- .. {down}(lft z5);
- crz_in := crz_in shifted (0, feta_shift)
- -- reverse crz_in yscaled -1 shifted (0, -feta_eps);
- unfill crz_in
- -- reverse crz_in xscaled -1 shifted (-feta_eps, 0)
- -- cycle;
- fi
-
- % ugh
- currentpicture := currentpicture shifted (hround (w / 2), 0);
-
- charwx := charwd;
- charwy := y1 + feta_shift;
-
- z12 = (charwx * hppp, y1 * vppp);
-
- labels (12);
-enddef;
-
-
-fet_beginchar ("Whole Crossed notehead", "s0cross");
- save wid, hei;
-
- wid# := black_notehead_width# + 4 stafflinethickness#;
- hei# := noteheight# + stafflinethickness#;
-
- set_char_box (0, wid#, hei# / 2, hei# / 2);
-
- draw_cross (3.75);
-
- remember_pic := currentpicture;
-
- draw_staff (-2, 2, 0);
-fet_endchar;
-
-
-if test > 0:
- fet_beginchar ("Whole Crossed notehead", "s0cross");
- save wid, hei;
-
- wid# := black_notehead_width# + 4 stafflinethickness#;
- hei# := noteheight# + stafflinethickness#;
-
- set_char_box (0, wid#, hei# / 2, hei# / 2);
-
- currentpicture := remember_pic;
-
- draw_staff (-2, 2, 0.5);
- fet_endchar;
-fi;
-
-
-fet_beginchar ("Half Crossed notehead", "s1cross");
- save wid, hei;
-
- wid# := black_notehead_width# + 2 stafflinethickness#;
- hei# := noteheight# + stafflinethickness# / 2;
-
- set_char_box (0, wid#, hei# / 2, hei# / 2);
-
- draw_cross (3.0);
-
- remember_pic := currentpicture;
-
- draw_staff (-2, 2, 0);
-fet_endchar;
-
-
-if test > 0:
- fet_beginchar ("Half Crossed notehead", "s1cross");
- save wid, hei;
-
- wid# := black_notehead_width# + 2 stafflinethickness#;
- hei# := noteheight# + stafflinethickness# / 2;
-
- set_char_box (0, wid#, hei# / 2, hei# / 2);
-
- currentpicture := remember_pic;
-
- draw_staff (-2, 2, 0.5);
- fet_endchar;
-fi;
-
-
-fet_beginchar ("Crossed notehead", "s2cross");
- wid# := black_notehead_width#;
- hei# := noteheight#;
- set_char_box (0, wid#, hei# / 2, hei# / 2);
-
- draw_cross (1.0);
-
- remember_pic := currentpicture;
-
- draw_staff (-2, 2, 0);
-fet_endchar;
-
-
-if test > 0:
- fet_beginchar ("Crossed notehead", "s2cross");
- wid# := black_notehead_width#;
- hei# := noteheight#;
- set_char_box (0, wid#, hei# / 2, hei# / 2);
-
- currentpicture := remember_pic;
-
- draw_staff (-2, 2, 0.5);
- fet_endchar;
-fi;
-
-
-fet_beginchar ("X-Circled notehead", "s2xcircle");
- save wid, hei;
- save cthick, cxd, cyd, dy;
-
- wid# := black_notehead_width# * sqrt (sqrt2);
- hei# := noteheight# * sqrt (sqrt2);
-
- set_char_box (0, wid#, hei# / 2, hei# / 2);
-
- d := d - feta_space_shift;
-
- cthick# := (1.2 + 1/4) * stafflinethickness#;
- define_blacker_pixels (cthick);
-
- cxd := w - cthick;
- cyd := h + d - cthick / 2;
-
- dy = .5 (h - d);
-
- pickup pencircle scaled cthick;
-
- fill fullcircle xscaled (cxd + cthick)
- yscaled (cyd + cthick)
- shifted (w / 2, dy);
- unfill fullcircle xscaled (cxd - cthick)
- yscaled (cyd - cthick)
- shifted (w / 2, dy);
-
- xpos := .5 cxd / sqrt2;
- ypos := .5 cyd / sqrt2;
-
- pickup penrazor scaled cthick rotated (angle (xpos, ypos) + 90);
- draw (-xpos + w / 2, -ypos + dy) -- (xpos + w / 2, ypos + dy);
-
- pickup penrazor scaled cthick rotated (angle (xpos, -ypos) + 90);
- draw (-xpos + w / 2, ypos + dy) -- (xpos + w / 2, -ypos + dy);
-
- charwx := charwd;
- charwy := 0;
-
- z12 = (charwx * hppp, charwy * vppp);
- labels (12);
-
- remember_pic := currentpicture;
-
- draw_staff (-2, 2, 0);
-fet_endchar;
-
-
-if test > 0:
- fet_beginchar ("X-Circled notehead", "s2xcircle");
- save wid, hei;
- save cthick, cxr, cyr;
-
- wid# := black_notehead_width# * sqrt (sqrt2);
- hei# := noteheight# * sqrt (sqrt2);
-
- set_char_box (0, wid#, hei# / 2, hei# / 2);
-
- currentpicture := remember_pic;
-
- draw_staff (-2, 2, 0.5);
- fet_endchar;
-fi;
-
-
-%%%%%%%%
-%
-% SOLFA SHAPED NOTES
-%
-
-save solfa_pen_thick;
-solfa_pen_thick# = 1.75 stafflinethickness#;
-define_blacker_pixels (solfa_pen_thick);
-
-
-save solfa_base_notewidth;
-solfa_base_notewidth# := black_notehead_width#;
-
-solfa_whole_width := whole_notehead_width# / black_notehead_width#;
-solfa_half_width := half_notehead_width# / black_notehead_width#;
-solfa_quarter_width := 1.0;
-
-def draw_do_head (expr width_factor, dir) =
- save p_in, p_out;
- save left_dist, right_dist;
- path p_in, p_out;
- pair left_dist, right_dist;
-
- set_char_box (0, width_factor * solfa_base_notewidth#,
- 0.5 solfa_noteheight#, 0.5 solfa_noteheight#);
-
- pickup pencircle scaled solfa_pen_thick;
-
- bot y1 = -d;
- y1 = y2;
- lft x1 = 0;
- rt x2 = w;
- top y3 = h;
- x3 =.5 [x1, x2];
-
- left_dist = (unitvector (z3 - z1) rotated 90) * 0.5 solfa_pen_thick;
- right_dist = (unitvector (z2 - z3) rotated 90) * 0.5 solfa_pen_thick;
-
- p_in := (((z1 - left_dist) -- (z3 - left_dist)) intersectionpoint
- (top z1 -- top z2))
- -- ((top z1 -- top z2) intersectionpoint
- ((z2 - right_dist) -- (z3 - right_dist)))
- -- (((z2 - right_dist) -- (z3 - right_dist)) intersectionpoint
- ((z1 - left_dist) -- (z3 - left_dist)))
- -- cycle;
-
- p_out := bot z1
- -- bot z2{right}
- .. rt z2{up}
- .. (z2 + right_dist){z3 - z2}
- -- (z3 + right_dist){z3 - z2}
- .. top z3{left}
- .. (z3 + left_dist){z1 - z3}
- -- (z1 + left_dist){z1 - z3}
- .. lft z1{down}
- .. {right}cycle;
-
-
- labels (1, 2, 3);
-
- charwx := charwd;
- charwy := -chardp + 0.5 stafflinethickness#;
- if dir = -1:
- charwy := -charwy;
- fi;
-enddef;
-
-
-fet_beginchar ("Whole dohead", "s0do");
- draw_do_head (solfa_whole_width, 1);
- fill p_out;
- unfill p_in;
-fet_endchar;
-
-
-fet_beginchar ("Half dohead", "d1do");
- draw_do_head (solfa_half_width, -1);
- fill p_out;
- unfill p_in;
-fet_endchar;
-
-
-fet_beginchar ("Half dohead", "u1do");
- draw_do_head (solfa_half_width, 1);
- fill p_out;
- unfill p_in;
-fet_endchar;
-
-
-fet_beginchar ("Quart dohead", "d2do");
- draw_do_head (solfa_quarter_width, -1);
- fill p_out;
-fet_endchar;
-
-
-fet_beginchar ("Quart dohead", "u2do");
- draw_do_head (solfa_quarter_width, 1);
- fill p_out;
-fet_endchar;
-
-
-%
-% re - flat top, curved bottom:
-% (0,h/2) {dir -90} .. (w/2,-h/2) .. {dir 90} (w,h/2) -- cycle;
-% (broader along the base and with more vertical sides for half and
-% whole notes)
-% stem attachment: h/2
-%
-
-def draw_re_head (expr width_factor, dir) =
- save p_in, p_out;
- path p_in, p_out;
-
- set_char_box (0, width_factor * solfa_base_notewidth#,
- 0.5 solfa_noteheight#, 0.5 solfa_noteheight#);
-
- pickup pencircle scaled solfa_pen_thick;
-
- save curve_start;
- curve_start = 0.7;
- lft x1 = 0;
- y1 = y5;
- x1 = x2;
- y2 = curve_start [y3, y1];
- bot y3 = -d;
- x3 = .5 [x2, x4];
- rt x4 = w;
- y4 = y2;
- top y5 = h;
- x5 = x4;
-
- labels (range 1 thru 5);
-
- p_in := (z1 + 0.5 solfa_pen_thick * (1, -1))
- -- rt z2{down}
- .. top z3
- .. lft z4{up}
- -- (z5 + 0.5 solfa_pen_thick * (-1, -1))
- -- cycle;
-
- p_out := lft z1
- -- lft z2{down}
- .. bot z3
- .. rt z4{up}
- -- rt z5{up}
- .. top z5{left}
- -- top z1{left}
- .. {down}cycle;
-
- charwx := charwd;
- charwy := curve_start [-chardp, charht];
-
- if dir = -1:
- charwy := -charwy;
- fi;
-enddef;
-
-
-fet_beginchar ("Whole rehead", "s0re");
- draw_re_head (solfa_whole_width, 1);
- fill p_out;
- unfill p_in;
-fet_endchar;
-
-
-fet_beginchar ("Half up rehead", "u1re");
- draw_re_head (solfa_half_width, 1);
- fill p_out;
- unfill p_in;
-fet_endchar;
-
-
-fet_beginchar ("Half down rehead", "d1re");
- draw_re_head (solfa_half_width, -1);
- fill p_out;
- unfill p_in;
-fet_endchar;
-
-
-fet_beginchar ("Quart rehead", "u2re");
- draw_re_head (solfa_quarter_width, 1);
- fill p_out;
-fet_endchar;
-
-
-fet_beginchar ("Quart rehead", "d2re");
- draw_re_head (solfa_quarter_width, -1);
- fill p_out;
-fet_endchar;
-
-
-def draw_mi_head (expr width_factor) =
- save path_out, path_in;
- save ne_dist, se_dist, ne, se;
- path path_out, path_in;
- pair ne_dist, se_dist, ne, se;
-
- set_char_box (0, width_factor * solfa_base_notewidth#,
- 0.5 solfa_noteheight#, 0.5 solfa_noteheight#);
-
- pickup pencircle scaled solfa_pen_thick;
-
- lft x1 = 0;
- y1 = 0;
- bot y2 = -d;
- x2 = .5 [x1, x3];
- rt x3 = w;
- x4 = x2;
- y3 = y1;
- top y4 = h;
-
- z6 - z5 = whatever * (z2 - z1);
- z8 - z7 = whatever * (z2 - z1);
- z8 - z5 = whatever * (z4 - z1);
- z6 - z7 = whatever * (z4 - z1);
-
- ne = unitvector (z4 - z1);
- se = unitvector (z1 - z2);
-
- ne_dist = (ne rotated 90) * 0.5 solfa_pen_thick;
- se_dist = (se rotated 90) * 0.5 solfa_pen_thick;
-
- z5 = whatever [z1, z4] - ne_dist;
- z5 = whatever [z1, z2] - 1.5 se_dist;
-
- z5 - z1 = -(z7 - z3);
-
- labels (range 1 thru 8);
-
- path_in := z5
- -- z6
- -- z7
- -- z8
- -- cycle;
-
- path_out := lft z1
- .. (z1 + se_dist){-se}
- -- (z2 + se_dist){-se}
- .. bot z2
- .. (z2 - ne_dist){ne}
- -- (z3 - ne_dist){ne}
- .. rt z3
- .. (z3 - se_dist){se}
- -- (z4 - se_dist){se}
- .. top z4
- .. (z4 + ne_dist){-ne}
- -- (z1 + ne_dist){-ne}
- .. cycle;
-enddef;
-
-
-fet_beginchar ("Whole mihead", "s0mi");
- draw_mi_head (solfa_whole_width);
- fill path_out;
- unfill path_in;
-fet_endchar;
-
-
-fet_beginchar ("Half mihead", "s1mi");
- draw_mi_head (solfa_quarter_width);
- fill path_out;
- unfill path_in;
-fet_endchar;
-
-
-fet_beginchar ("Quart mihead", "s2mi");
- draw_mi_head (solfa_quarter_width);
- fill path_out;
-fet_endchar;
-
-
-def draw_fa_head (expr width_factor) =
- set_char_box (0, width_factor * solfa_base_notewidth#,
- 0.5 solfa_noteheight#, 0.5 solfa_noteheight#);
-
- save p_down_in, p_down_out, p_up_in, p_up_out, nw_dist, nw;
- path p_down_in, p_down_out, p_up_in, p_up_out;
- pair nw_dist, nw;
-
- pickup pencircle scaled solfa_pen_thick;
-
- lft x1 = 0;
- top y1 = h;
-
- rt x2 = w;
- y2 = y1;
- bot y3 = -d;
- x3 = x2;
-
- y4 = y3;
- x4 = x1;
-
- labels (1, 2, 3, 4);
-
- nw = unitvector (z1 - z3);
- nw_dist = (nw rotated 90) * 0.5 solfa_pen_thick;
-
- p_up_in := (((z1 - nw_dist) -- (z3 - nw_dist)) intersectionpoint
- (bot z1 -- bot z2))
- -- (((z1 - nw_dist) -- (z3 - nw_dist)) intersectionpoint
- (lft z3 -- lft z2))
- -- (z2 + 0.5 solfa_pen_thick * (-1, -1))
- -- cycle;
-
- p_up_out := lft z1{down}
- .. (z1 + nw_dist){-nw}
- -- (z3 + nw_dist){-nw}
- .. bot z3{right}
- .. rt z3{up}
- -- rt z2{up}
- .. top z2{left}
- -- top z1{left}
- .. {down}cycle;
-
- p_down_in := p_up_in rotated 180 shifted (w, 0);
- p_down_out := p_up_out rotated 180 shifted (w, 0);
-
- charwy := 0.0;
- charwx := charwd;
-enddef;
-
-
-fet_beginchar ("Whole fa up head", "u0fa");
- draw_fa_head (solfa_whole_width);
- fill p_up_out;
- unfill p_up_in;
-fet_endchar;
-
-
-fet_beginchar ("Whole fa down head", "d0fa");
- draw_fa_head (solfa_whole_width);
- fill p_down_out;
- unfill p_down_in;
-fet_endchar;
-
-
-fet_beginchar ("half fa up head", "u1fa");
- draw_fa_head (solfa_half_width);
- fill p_up_out;
- unfill p_up_in;
-fet_endchar;
-
-
-fet_beginchar ("Half fa down head", "d1fa");
- draw_fa_head (solfa_half_width);
- fill p_down_out;
- unfill p_down_in;
-fet_endchar;
-
-
-fet_beginchar ("Quarter fa up head", "u2fa");
- draw_fa_head (solfa_quarter_width);
- fill p_up_out;
-fet_endchar;
-
-
-fet_beginchar ("Quarter fa down head", "d2fa");
- draw_fa_head (solfa_quarter_width);
- fill p_down_out;
-fet_endchar;
-
-
-def draw_la_head (expr width_factor) =
- set_char_box (0, width_factor * solfa_base_notewidth#,
- 0.5 solfa_noteheight#, 0.5 solfa_noteheight#);
- save p_in, p_out;
- path p_in, p_out;
-
- pickup pencircle scaled solfa_pen_thick;
-
- lft x1 = 0;
- top y1 = h;
-
- rt x2 = w;
- y2 = y1;
- bot y3 = -d;
- x3 = x2;
-
- y4 = y3;
- x4 = x1;
-
- labels (range 1 thru 4);
-
- p_in := (z1 + 0.5 solfa_pen_thick * (1, -1))
- -- (z2 + 0.5 solfa_pen_thick * (-1, -1))
- -- (z3 + 0.5 solfa_pen_thick * (-1, 1))
- -- (z4 + 0.5 solfa_pen_thick * (1, 1))
- -- cycle;
-
- p_out := top z1
- -- top z2{right}
- .. rt z2{down}
- -- rt z3{down}
- .. bot z3{left}
- -- bot z4{left}
- .. lft z4{up}
- -- lft z1{up}
- .. cycle;
-enddef;
-
-
-fet_beginchar ("Whole lahead", "s0la");
- draw_la_head (solfa_whole_width);
- fill p_out;
- unfill p_in;
-fet_endchar;
-
-
-fet_beginchar ("Half lahead", "s1la");
- draw_la_head (solfa_half_width);
- fill p_out;
- unfill p_in;
-fet_endchar;
-
-
-fet_beginchar ("Quart lahead", "s2la");
- draw_la_head (solfa_quarter_width);
- fill p_out;
-fet_endchar;
-
-
-def draw_ti_head (expr width_factor, dir) =
- set_char_box (0, width_factor * solfa_base_notewidth#,
- 0.5 solfa_noteheight#, 0.5 solfa_noteheight#);
- save p_in, p_out, p_top;
- save nw_dist, sw_dist, nw, sw;
- path p_in, p_out, p_top;
- pair nw_dist, sw_dist, nw, sw;
- save cone_height;
- cone_height = 0.64;
-
- pickup pencircle scaled solfa_pen_thick;
-
- x1 = .5 [x2, x4];
- bot y1 = -d;
- lft x2 = 0;
- y2 = cone_height [y1, y3];
- rt x4 = w;
- y4 = y2;
- x3 = x1;
- top y3 = h;
-
- labels (range 1 thru 4);
-
- nw = unitvector (z2 - z1);
- sw = unitvector (z1 - z4);
-
- nw_dist = (nw rotated 90) * 0.5 solfa_pen_thick;
- sw_dist = (sw rotated 90) * 0.5 solfa_pen_thick;
-
- p_top := (z2 - sw_dist)
- .. (top z3){right}
- .. (z4 - nw_dist);
-
- p_in := (((z1 - nw_dist) -- (z2 - nw_dist)) intersectionpoint
- ((z1 - sw_dist) -- (z4 - sw_dist)))
- -- (((z1 - nw_dist) -- (z2 - nw_dist)) intersectionpoint
- ((z2 + sw_dist) .. {right}(bot z3)))
- .. bot z3
- .. (((bot z3){right} .. (z4 + nw_dist)) intersectionpoint
- ((z1 - sw_dist) -- (z4 - sw_dist)))
- -- cycle;
-
- p_out := bot z1
- .. (z1 + nw_dist)
- -- (z2 + nw_dist)
- .. lft z2
- .. (z2 - sw_dist){direction 0 of p_top}
- & p_top
- & {direction infinity of p_top}(z4 - nw_dist)
- .. rt z4
- .. (z4 + sw_dist)
- -- (z1 + sw_dist)
- .. cycle;
-
- charwx := charwd;
- charwy := cone_height [-chardp, charht];
- if dir = -1:
- charwy := -charwy;
- fi;
-enddef;
-
-
-fet_beginchar ("Whole up tihead", "s0ti");
- draw_ti_head (solfa_whole_width, 1);
- fill p_out;
- unfill p_in;
-fet_endchar;
-
-
-fet_beginchar ("Half up tihead", "u1ti");
- draw_ti_head (solfa_half_width, 1);
- fill p_out;
- unfill p_in;
-fet_endchar;
-
-
-fet_beginchar ("Half down tihead", "d1ti");
- draw_ti_head (solfa_half_width, -1);
- fill p_out;
- unfill p_in;
-fet_endchar;
-
-
-fet_beginchar ("Quart up tihead", "u2ti");
- draw_ti_head (solfa_quarter_width, 1);
- fill p_out;
-fet_endchar;
-
-
-fet_beginchar ("Quart down tihead", "d2ti");
- draw_ti_head (solfa_quarter_width, -1);
- fill p_out;
-fet_endchar;
-
-
-fet_endgroup ("noteheads");
-
-
-%
-% we derive black_notehead_width# from the quarter head,
-% so we have to define black_notehead_width (pixel qty)
-% after the black_notehead_width# itself.
-%
-% Let's keep it outside the group as well.
-%
-
-define_pixels (black_notehead_width);
projects / lilypond.git / blobdiff