% feta-klef.mf -- implement Clefs -*-Fundamental-*- % % part of LilyPond's pretty-but-neat music font % % source file of the Feta (not the Font-En-Tja) music font % % (c) 1997--2002 Han-Wen Nienhuys , % Jan Nieuwenhuizen , % Juergen Reuter fet_begingroup("clefs"); % % [Ross] says that clefs take 1 staff_space space on the left and right % def set_horizontal_spacing = save left_space ,right_space; left_space# = 0; right_space# = 0; enddef; % [Wanske] says the bulbs should be positioned about 1/4 right of the % "arrow" def draw_c_clef (expr reduction) = save hair, norm, reduced_il, right_edge; reduced_il#=staff_space#*reduction; norm#:=2/3reduced_il#; hair#:=1/6norm#; set_horizontal_spacing; right_edge# = 15/4norm#+2hair#; set_char_box (left_space#, right_edge# + right_space#, 2 reduced_il#, 2 reduced_il#); define_pixels (hair,norm,reduced_il, right_edge); draw_block ((0,-d), (3/4norm+1/2hair,h)); draw_block ((3/4norm+2hair,-d), (3/4norm+7/2hair,h)); save xoff; xoff=3/4norm+7/2hair; penpos1(hair,-90); z1l=(xoff+norm+hair,h); penpos2(norm-3/2hair,180); z2l=(right_edge,h/2); penpos3(hair,90); z3=(((right_edge -xoff)/2)+xoff,2hair); penpos4(hair,0); z4=(xoff+1/2norm+1/2hair,reduced_il-hair); penpos5(4hair,0); z5=(xoff+5/4hair,0); penpos6(norm-hair,90); z6=(xoff+3/4norm,0); save t; t=0.833; save p; path p; p = z5l..z4l{up}..z4r{down}..z3r{right}..tension t..z2r{up} ..tension t.. flare_path(z1l,180,90,hair,norm-1/2hair, -1) %z1r{left}..z1l{right} ..tension t..z2l{down} ..z3l{left}..z6r..z5r{down}; pickup pencircle scaled 1pt#; filldraw p..(reverse p yscaled -1)..cycle; penlabels (1,2,3,4,5,6); % ugh, should be bulb, not flare? enddef; fet_beginchar ("C clef", "C", "altoclef") if test = 1: draw_staff (-2,2, 0.0); fi; draw_c_clef (1.0); fet_endchar; fet_beginchar ("C clef", "C_change", "caltoclef") if test = 1: draw_staff (-2,2, 0.0); fi; draw_c_clef (.8); fet_endchar; % % Inspired by Baerenreiter and Breitkopf % % FIXME: dims % FIXME: right vertical tangent seems to be lower than the F-line % FIXME: bulb curve smoothly into "long curve" on the inside % % % [Wanske] says that the extreme x point should be exactly between % the dots, but her picture shows that the extreme is ~ 0.2 ss lower def draw_bass_clef(expr exact_center, reduction) = save reduced_il, left_tilt, left_thick, ball_to_right; reduced_il# = staff_space# * reduction; set_horizontal_spacing; ball_to_right# = 2.1 reduced_il#; set_char_box(left_space# + - xpart exact_center, right_space# + xpart exact_center + ball_to_right# + 7/12 reduced_il#, - ypart exact_center + 2.5 reduced_il#, ypart exact_center +reduced_il#); define_pixels(reduced_il, ball_to_right); left_tilt = 5; left_thick = .25 reduced_il; x1r - x1l = left_thick; z1l = (hround_pixels(xpart exact_center), vround_pixels(ypart exact_center)); y2 = reduced_il; x3l - x1l = ball_to_right; x2 = .5 [x1,x3]; x3l - x3r = .48 reduced_il; y3l = -0.05 staff_space; x4 = x1l - stafflinethickness; y4 = -2.2 reduced_il; z5 = (x3l + 1/3 reduced_il, .5 reduced_il); penpos1(whatever, left_tilt); penpos2(1.2 stafflinethickness, -90); penpos3(whatever, 185); penpos4(stafflinethickness, 135); draw_bulb(1, z1r, z1l, .45 reduced_il, 1.0); fill z1r{up} .. z2r{right} .. tension 1.0 .. z3r{down} .. {curl 0} simple_serif(z4r, z4l, 90) {curl 0} .. z3l{up} .. tension 0.9 .. z2l{left} .. z1l{dir (-90 + left_tilt)} -- cycle; labels(2,4); penlabels(1,2,3,4); save dot_diam; 2 dot_diam = round reduction* (staff_space - stafflinethickness); pickup pencircle scaled dot_diam; drawdot z5; drawdot z5 yscaled -1; enddef; fet_beginchar("F clef ", "F", "bassclef") if test = 1: draw_staff(-3,1, 0.0); fi; draw_bass_clef((.5 staff_space#, 0), 1.0); fet_endchar; fet_beginchar("F clef (reduced)", "F_change", "cbassclef") draw_bass_clef((.4 staff_space#, 0),0.8); fet_endchar; % % Inspired by Baerenreiter % % FIXME bulb should curve (see bass clef) % FIXME start (inside) should be little thinner % FIXME parametrise. % % Beste lezers, kijk, % % Een bolletje hebben we bij toeval allemaal wel eens getekend, maar begint u % toch eenvoudig. Eerst een eenvoudig kruis of herstellingsteken % en via de dubbelslag naar een voorzichtig vlaggetje, en heb geduld! % Ikzelf heb bijvoorbeeld over mijn eerste gave G-sleutel % 35 kilobyte metafont, 12 patchlevels, 0 vriendinnen en 45 dagen gedaan % % -- vrij naar Van Kooten & De Bie % def draw_gclef (expr exact_center, reduction)= save reduced_il, downstroke_dir, downstroke_angle, hair, center; save breapth_factor, inner_thick_end, thinness, thickness, thinnib; save inner_start_angle, thinness, thinpen; reduced_il# = staff_space# * reduction; define_pixels(reduced_il); pair downstroke_dir, center; center := (hround_pixels(xpart exact_center), vround_pixels(ypart exact_center)); hair = .3 stafflinethickness; thinness = 1.3 stafflinethickness; downstroke_dir = (14, -75); breapth_factor = 11/7; inner_thick_end = 45; inner_start_angle = downstroke_angle - 43; thickness = .4 reduced_il - hair; thinnib = thinness - hair; thinpen = thinness; set_horizontal_spacing; set_char_box( left_space# + -xpart exact_center + 1.0 * breapth_factor* reduced_il#, right_space# + xpart exact_center + .66 breapth_factor* reduced_il#, -ypart exact_center + 3 * reduced_il#, ypart exact_center + 5 * reduced_il#); pickup pencircle scaled hair; downstroke_angle = angle downstroke_dir; z1 = center + whatever * dir (inner_start_angle); x1 = xpart center -.28 reduced_il; top z2r = center + (0,reduced_il + stafflinethickness/2); x4 = xpart center - .1 reduced_il; bot y4r = -(reduced_il + .5 stafflinethickness); z3 = (z4 - center) rotated inner_thick_end + center; z5r = (- breapth_factor, .37)* reduced_il + center; penpos5(thickness, 135); z6 = center + whatever * downstroke_dir; y6 = ypart center + 2 reduced_il; z7l - z6 = whatever *(z5- z6) ; y7l = 3.5 reduced_il; z8r = .4 [z9r, z7r] + 1.5 stafflinethickness * dir 52; x9 = .7 [x10, x7r]; top y9l = 5 reduced_il; y10 = 3. reduced_il; y11 = -11/7 reduced_il; y12 = ypart center - 18.5/7 reduced_il; x12 = x11 - 5 /7 reduced_il; z13 = z12 + .6 reduced_il*(-1,1); (z10r - z10l) dotprod (unitvector downstroke_dir rotated 90) = thinnib; center - z10= whatever * downstroke_dir; center - z11 = whatever * downstroke_dir; center - z14 = .8 (center - z11); penpos1(thinnib, inner_start_angle); penpos2(thickness, 90); penpos3(thinnib, -90 + inner_thick_end); penpos4(thinnib, -90); penpos7(thickness, 135); penpos8(1.5 thinnib, - 70 + angle downstroke_dir); penpos9(1.4 thickness, -80); % ugh penpos10(whatever, downstroke_angle + 10); penpos11(thinnib, downstroke_angle + 90); penpos14(thinnib, downstroke_angle + 90); penpos12(thinnib, -90); penpos13(3 thinnib, 180); filldraw z2l{right} .. z3l.. z4l{left} .. z5l{up} .. z7l{up} %.. z8l .. tension 1.2 .. z9l & z9l .. {downstroke_dir}z10l --- z11l -- z11r --- z10r{- downstroke_dir} .. tension .8 .. z9r & z9r{dir (downstroke_angle+ 40)} % ugh %.. z8r .. z7r{down} .. z5r{down} .. z4r{right} .. z3r .. z2r{left} .. tension .95 .. z1r -- z1l .. tension 0.85 ..cycle; filldraw simple_serif(z1r, z1l, 90) -- cycle; filldraw z12r{left} .. z13r{up} -- z13l{down} .. z12l{right} .. cycle; draw_bulb(-1, z13l, lft z13r, 6/14 reduced_il, 1.0); pickup pencircle scaled (thinpen); draw z10 --- z14 .. z11 .. tension 0.85 .. z12{left}; penlabels(range 1 thru 15); enddef; fet_beginchar("G clef", "G", "trebleclef") if test = 1: draw_staff(-1,3, 0.0); fi; draw_gclef((1.7 staff_space#,0), 1.0); fet_endchar; fet_beginchar("G clef", "G_change", "ctrebleclef") draw_gclef((1.3 staff_space#,0), .8); fet_endchar; %%%% % PERCUSSION % % def draw_percussion_clef(expr reduction) = save reduced_il; reduced_il# = staff_space# * reduction; define_pixels(reduced_il); set_char_box(-.67reduced_il#,2.0reduced_il#,reduced_il#,reduced_il#); razt := 0.45reduced_il; draw_block((-b,-d),(-b+razt,h)); draw_block((w-razt,-d),(w,h)); enddef; fet_beginchar("percussion clef", "percussion", "percussionclef") draw_percussion_clef(1.0); fet_endchar; fet_beginchar("percussion clef (reduced)", "percussion_change", "cpercussionclef") draw_percussion_clef(.8); fet_endchar; def draw_tab_T(expr pos, siz, slant) = begingroup; clearxy; pair vx,vy; vx=(xpart siz) * dir 0; vy=(ypart siz) * dir 90; penpos1(.75penh, 100); z1=z2+(1/6*vx-.15*vy); penpos2(.9penw, 0); z2l = pos+.75vy; penpos3(penh,-100); z3l = pos+.4vx+vy; penpos4(penh,-90); z4=-.1vy+.5[z3,z5]; penpos5(.8penh,-30); x5r=xpart (pos+siz); y5l=ypart (pos+siz); penpos10(penw,170); z10=pos+.55vx+.85vy; penpos11(.75[penh,penw],170); z11=z10-.5vy+.025vx; penpos12(penh,100); z12l=(xpart .5[z13,z11],ypart (pos-.025*siz)); penpos13(.75penh,60); z13=pos +.2vx+.15vy; % penlabels (1,2,3,4,5,10,11,12,13); soft_penstroke (z1e..tension 1.1 ..z2e ..z3e{right}..tension 1.5 ..z4e ..z5e ) slanted slant shifted (slant*-ypart pos,0); soft_penstroke (z10e..tension 1.5 ..z11e ..z12e..tension 1.1 ..z13e{(z13r-z13l) rotated 90} ) slanted slant shifted (slant*-ypart pos,0); endgroup; enddef; def draw_tab_A(expr pos, siz, slant) = begingroup; clearxy; pair vx,vy; vx=(xpart siz) * dir 0; vy=(ypart siz) * dir 90; penpos1(.75penh,-110); z1r=pos+.07vy; penpos2(penh,-75); z2r=(.5[x1,x3],ypart pos); penpos3(.25[penh,penw],-30); z3=(.45[x2,x4],.15[y2,y4]); penpos4(1[penh,penw],0); z4=pos+.5vx+.975vy; penpos5(1[penh,penw],-180); z5=z4; penpos6(.2[penh,penw],-150); z6l=(.8[x5l,x7l],.9[y5l,y7l]); penpos7(penh,-90); z7r=(.5[x6,x8],ypart pos); penpos8(.75penh,-70); z8r=(xpart(pos+siz),y7r+.075ypart(siz)); penpos10(penh,-105); z10=.2[z3,z4]; penpos11(.9penh,-90); z11=.4[z10,z6]-0.05vy; penpos12(.75penh,-75); z12=.3[z11,z6]+0.02vy; % penlabels(1,2,3,4,5,6,7,8,10,11,12); soft_penstroke (z1e {(z1r-z1l) rotated 90} ..z2e ..z3e ..z4e ) slanted slant shifted (slant*-ypart pos,0); soft_penstroke (z5e ..z6e ..z7e ..z8e {(z8r-z8l) rotated 90} ) slanted slant shifted (slant*-ypart pos,0); soft_penstroke (z10e ..z11e ..z12e ) slanted slant shifted (slant*-ypart pos,0); endgroup; enddef; def draw_tab_B(expr pos, siz, slant) = begingroup; clearxy; pair vx,vy; vx=(xpart siz) * dir 0; vy=(ypart siz) * dir 90; penpos1(.75penh, 100); z1=z2+(.15*vx-.1*vy); penpos2(.9penw, 0); z2l = pos+.75vy; penpos3(penh,-100); z3l = pos+.4vx+1.05vy; penpos4(.8[penh,penw],-180); z4=(xpart(pos+.75siz),.5[y3,y5]); penpos5(.8penh,90); z5=(.5[x10,x4],ypart (pos+.55siz)); penpos6(.8penh,270); z6=z5; penpos7(penw,180); z7l=(xpart(pos+siz),.5[y6,y8]); penpos8(.8penh,45); z8=.5[z12l,z11l]+.15vx-.05vy; penpos10(.75[penh,penw],170); z10=pos+.375vx+.95vy; penpos11(.8[penh,penw],150); z11=z10-.5vy+.04vx; penpos12(penh,100); z12l=(xpart .5[z13,z11],ypart pos); penpos13(.75penh,60); z13=pos+.1vx+.15vy; % penlabels (1,2,3,4,5,6,7,8,10,11,12,13); soft_penstroke (z1e..tension 1.1 ..z2e ..z3e ..z4e ..z5e{left} ) slanted slant shifted (slant*-ypart pos,0); soft_penstroke (z6e{right} ..z7e ..z8e{(z8r-z8l) rotated 90} ) slanted slant shifted (slant*-ypart pos,0); soft_penstroke (z10e.. tension 1.5 ..z11e ..z12e..tension 1.1 ..z13e{(z13r-z13l) rotated 90} ) slanted slant shifted (slant*-ypart pos,0); endgroup; enddef; def draw_tab_clef(expr reduction) = save reduced_il,vx,vy,letterheight,penw,penh; reduced_il# = staff_space# * reduction; letterheight# = 1.8*reduced_il#; define_pixels(reduced_il,letterheight); set_char_box(-.2*reduced_il#,2.8*reduced_il#,1.6*letterheight#,1.6*letterheight#); %draw_staff (-3,2, 0.5); penw = .45reduced_il; penh = .2reduced_il; draw_tab_T((-b+.15reduced_il,h-letterheight), (2.1*reduced_il,letterheight),0.2); draw_tab_A((-b-.05reduced_il,-.5letterheight +.15reduced_il), (2.2*reduced_il,letterheight),0.4); draw_tab_B((-b+.025reduced_il,-d), (2.1*reduced_il,letterheight),0.25); enddef; fet_beginchar("tab clef", "tab", "tabclef") draw_tab_clef(1.0); fet_endchar; fet_beginchar("tab clef (reduced)", "tab_change", "ctabclef") draw_tab_clef(.8); fet_endchar; fet_endgroup("clefs");