X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=mf%2Ffeta-bolletjes.mf;h=cae8c200a8e84c093803b7090bb3751001a383cd;hb=5b4b0d6e9a197e8f9eb085b7c2ad78b8be3e5cfc;hp=c9ffb7ca377dc0c6545f31dc35fd687d525ad6f4;hpb=fd35c1854983063501a1152c3827530e866dcde3;p=lilypond.git diff --git a/mf/feta-bolletjes.mf b/mf/feta-bolletjes.mf index c9ffb7ca37..cae8c200a8 100644 --- a/mf/feta-bolletjes.mf +++ b/mf/feta-bolletjes.mf @@ -1,203 +1,1497 @@ -% bolletjes.mf -% part of LilyPond's pretty-but-neat music font +% -*-Fundamental-*- +% feta-bolletjes.mf -- implement noteheads +% +% source file of LilyPond's pretty-but-neat music font +% +% (c) 1997--2008 Jan Nieuwenhuizen +% & Han-Wen Nienhuys +% & Juergen Reuter +% + +test_outlines := 0; -% most beautiful noteheads are pronounced, not circular, + +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 +% These examples are inspired by [Wanske]; see literature list. + -save black_notehead_width; +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +% 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; -fet_begingroup("balls"); + top_point := directionpoint left of pat; + right_point := directionpoint up of pat; -noteheight#:=interline#+ (1 + overdone_heads) *stafflinethickness#; -define_pixels(noteheight); + 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 beamheight, head_width; - save holeheight, stem_width; - save serif_size, serif_protrude; - - head_width# = 2 interline#; - holeheight = 3 stafflinethickness; - stem_width = 1.4 stafflinethickness; - - - define_pixels(head_width); - set_char_box(0, head_width#, noteheight#/2, noteheight#/2); - - 2 beamheight + holeheight = noteheight; - serif_size = (holeheight - stafflinethickness)/2; - serif_protrude = 1.5 serif_size; - penpos1(stem_width, 0); - penpos2(stem_width, 0); - penpos3(beamheight, 90); - penpos4(beamheight, 90); - penpos5(stem_width, 180); - - z1l = (0, 0); - z2l = (0, -stafflinethickness/2); - z3r = z2r + serif_size *(1,-1); - y4r = y3r; - x4r = head_width/2; - z5l = z3l + (-serif_size, -serif_protrude); - - penlabels(1,2,3,4, 5); - fill z1r -- z1l -- z5r{down} .. z5l{up} .. z3l{right} - -- z4l -- z4r -- z3r{left} .. z2r{up} -- cycle; - - addto currentpicture also currentpicture yscaled -1; - addto currentpicture also currentpicture reflectedabout(z4r, z4l); -enddef; - -fet_beginchar("Brevis notehead", "-1", "brevisball") + 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; + + % -% Some sources (eg Musix/OpusTeX think that the appendage should be on -% the right, my only other ref [Willemze], shows an appendage to the left +% UGH: xs not declared as argument. % -fet_beginchar("Longa notehead", "-2", "longaball"); - draw_brevis; - save theta; - z7 = z5; - z6 - z7 = (-stem_width/2, -interline); - theta = angle(z6-z7)+ 90; - penpos7(stem_width, theta); - penpos6(1.2 stem_width, theta); - - fill z7r .. z6r{z6-z7} .. {z7-z6} z6l -- z7l -- cycle; - penlabels(6,7); -fet_endchar; - -% setup user vars -def setup_notehead_vars = - save a_b,err_y_a,tilt,superness; - save ai_a,ai_bi,err_y_ai,err_x_bi,inner_tilt,inner_superness; - save b_h,a_w; - enddef; - -% setup addititional vars and calc them -def notehead_calc = - save a,beta,ai,bi, ht, wd; - ht# =noteheight#; - 2beta#=ht#*b_h; - a# = beta#*a_b; - wd# = 2a# / a_w; - ai# = a# * ai_a; - bi# = ai#/ai_bi; - define_pixels(a,beta); - define_pixels(ai,bi); - set_char_box(0, wd#, .5 ht#, .5 ht#); - enddef; - - -% draw the outer and inner ellipse. -def notehead_draw = - path black,white; - black=distorted_ellipse(a,beta,a*err_y_a,0,superness); - white=distorted_ellipse(ai,bi,ai*err_y_ai,bi*err_x_bi,inner_superness); -if test>1: %fixme - save x; - x1=-x3=a; x2=x4=0; y1=y3=0; y2=-y4=b; - penlabels(1,2,3,4); - test_grid; -else: - black:=black rotated tilt; - black:=black shifted (w/2,0); - white:=white rotated inner_tilt; - white:=white shifted (w/2,0); -fi - fill black; - unfill white; - - - enddef; - -% whole note -% Wanske, p.38 -fet_beginchar("Whole notehead", "0", "wholeball") - setup_notehead_vars; - - a_b:=1.80; - err_y_a:=0; % no slant - tilt:=0; - superness:=0.707; - ai_a:=0.508; - % ai_bi:=1.23; - ai_bi:=1.30; % jcn - % err_y_ai:=0.0938; - % err_x_bi:=0; - err_y_ai:=0; - err_x_bi:=0.115; - % inner_tilt:=135; - inner_tilt:=125; % jcn - % inner_superness:=0.69; - inner_superness:=0.68; % jcn - b_h:=1; %no rotate-> no height correction - a_w:=1; % no rotate-> no width correction - - notehead_calc; - notehead_draw; -fet_endchar; - - -% half note -% Wanske, p.39 -fet_beginchar("Half notehead", "1", - "halfball") - setup_notehead_vars; - % a_b:=1.49; % after text - a_b:=1.50; % after drawing - err_y_a:=0.157; - tilt:=34; - % superness:=0.66; - superness:=0.67; % jcn - % ai_a:=0.863; - ai_a:=0.850; % jcn - % ai_bi:=3.14; - ai_bi:=3.30; % jcn - err_y_ai:=0; - err_x_bi:=-0.12; - inner_tilt:=tilt; - inner_superness:=0.80; - b_h:=0.935; - a_w:=1.12; - - notehead_calc; - notehead_draw; -fet_endchar; - - -% quarter note -% Wanske p.38 -fet_beginchar("Quart notehead", "2", "quartball") - setup_notehead_vars; - % a_b:=1.57; % after text - a_b:=1.54; % after drawing - err_y_a:=0.044; - tilt:=32; - superness:=0.707; - ai_a:=0; - ai_bi:=1; - err_y_ai:=0; - err_x_bi:=0; - inner_tilt:=0; - inner_superness:=0.707; - b_h:=0.85; - a_w:=1.09; - - notehead_calc; - black_notehead_width# := wd#; - notehead_draw; -fet_endchar; - - - - -fet_endgroup("balls"); - -define_pixels(black_notehead_width); +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);