]> git.donarmstrong.com Git - lilypond.git/blobdiff - mf/feta-klef.mf
release: 1.0.1
[lilypond.git] / mf / feta-klef.mf
index 2e9d1ff8c2ef241071d2bf3edf4d966e79451aa6..cccaef43fd3536b3d81991e4b6f73bdb00bc6617 100644 (file)
@@ -4,9 +4,21 @@
 % source file of the Feta (Font-En-Tja) music font
 % 
 % (c) 1997 Han-Wen Nienhuys <hanwen@stack.nl>,
-% Jan Nieuwenhuizen <jan@digicash.com>
+% Jan Nieuwenhuizen <janneke@gnu.org>
 
-fet_begingroup("klef");
+
+
+
+fet_begingroup("clefs");
+
+%
+% [Ross] says that clefs take 1 interline space on the left and right
+%
+def set_horizontal_spacing =
+       save left_space ,right_space;
+       left_space# = reduced_il#;
+       right_space# = reduced_il#;
+enddef;
 
 def draw_staff(expr first, last)=
        pickup pencircle scaled stafflinethickness;
@@ -15,57 +27,71 @@ def draw_staff(expr first, last)=
        endfor
        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;
+       save hair, norm, reduced_il, right_edge;
        reduced_il#=interline#*reduction;
        norm#:=2/3reduced_il#;
        hair#:=1/6norm#;
-       define_pixels (hair,norm,reduced_il);
-       set_char_box (0, 11/4interline#, 2 reduced_il#, 2 reduced_il#);
-       % huh, what's y-zero?
-       draw_block ((0,-d), (1/2reduced_il,h));
-       draw_block ((1/2reduced_il+stafflinethickness,-d), 
-         (1/2reduced_il+2stafflinethickness,h));
+
+       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=1/2reduced_il+2hair;
+       xoff=3/4norm+7/2hair;
        penpos1(hair,-90);
-       z1l=(xoff+norm+hair/2,h);
-       penpos2(norm-hair,180);
-       z2l=(w,h/2);
+       z1l=(xoff+norm+hair,h);
+       penpos2(norm-3/2hair,180);
+       z2l=(right_edge,h/2);
        penpos3(hair,90);
-       z3=(((w-xoff)/2)+xoff,2hair);
-       penpos4(hair,90);
-       z4=(xoff+hair+1/2norm+hair,y3);
+       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(hair,-90);
-       z6r=(xoff+norm+hair,-d);
+       penpos6(norm-hair,90);
+       z6=(xoff+3/4norm,0);
+
+       penpos7(hair,-90);
+       z7r=(x1,-d);
 
        save t; t=0.833;
        save p; path p;
-       p = z4r{right}..z3r{right}..tension t..z2r{up}
-               ..z1r{left}..z1l{right}..z2l{down}
-               ..z3l{left}..z4l{left};
+       p = z5l..z4l{up}..z4r{down}..z3r{right}..tension t..z2r{up}
+               ..tension t..z1r{left}..z1l{right}..tension t..z2l{down}
+               ..z3l{left}..z6r..z5r{down};
        pickup pencircle scaled 1pt#;
-       % boehoe, howto?
-%      draw p..(p yscaled -1)..cycle;
-       fill p..cycle;
-       fill (p yscaled -1)..cycle;
-       penlabels (1,2,3,4);
-
-       % ugh, should be bulb, not flare
-       draw_flare(z1l,180,90,hair,norm);
-       draw_flare(z6r,180,-90,hair,norm+hair);
+       filldraw p..(reverse p yscaled -1)..cycle;
+       penlabels (1,2,3,4,5,6);
+
+       % ugh, should be bulb, not flare?
+       draw_flare(z1l,180,90,hair,norm-1/2hair);
+       draw_flare(z7r,180,-90,hair,norm-1/2hair);
        enddef;
 
-fet_beginchar ("C clef", "ugh_alto", "ugh_altoclef")
+fet_beginchar ("C clef", "alto", "altoclef")
        if test = 1:
-               draw_staff (-1,3);
+               draw_staff (-2,2);
        fi;
        draw_c_clef (1.0);
 fet_endchar;
 
-fet_beginchar ("C clef", "ugh_alto_change", "ugh_caltoclef")
+fet_beginchar ("C clef", "alto_change", "caltoclef")
+       if test = 1:
+               draw_staff (-2,2);
+       fi;
        draw_c_clef (.8);
 fet_endchar;
 
@@ -81,24 +107,29 @@ fet_endchar;
 % the dots, but her picture shows that the extreme is ~ 0.2 ss lower
 
 def draw_bass_klef(expr exact_center, reduction) = 
-       save reduced_il, left_tilt, left_thick;
+       save reduced_il, left_tilt, left_thick, ball_to_right;
        reduced_il# = interline# * reduction;
-       left_tilt = 5;
-       define_pixels(reduced_il);
-       left_thick = .25  reduced_il;
        
-       set_char_box(
-               - xpart exact_center+ .2 reduced_il#, 
-               xpart exact_center + 2.7 reduced_il#, 
+       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#, 
                - 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 =  2.1 reduced_il;
+       x3l - x1l =  ball_to_right;
        x2 = .5 [x1,x3];
        x3l - x3r = .48 reduced_il;
        y3l = -0.05 interline;
@@ -121,7 +152,9 @@ def draw_bass_klef(expr exact_center, reduction) =
        labels(2,4);
        penlabels(1,2,3,4);
 
-       pickup pencircle scaled (.35 reduced_il);
+       save dot_diam;
+       2 dot_diam = reduction* (interline - stafflinethickness);
+       pickup pencircle scaled dot_diam;
        draw z5;
        draw z5 yscaled -1;
 enddef;
@@ -143,11 +176,9 @@ fet_endchar;
 %
 % Inspired by Baerenreiter
 % 
-% FIXME top should be thinner at z8,
 % FIXME bulb should curve (see bass clef)
 % FIXME start (inside) should be little thinner
 % FIXME parametrise.
-% FIXME should be a bit more upright
 %
 
 % Beste lezers, kijk,
@@ -174,20 +205,25 @@ def draw_gclef (expr exact_center, reduction)=
        downstroke_dir = (14, -75);
        breapth_factor = 11/7;
        inner_thick_end = 45;
-       inner_start_angle = angle(-1,-2);
+       inner_start_angle = downstroke_angle - 43;
        thickness = .4 reduced_il - hair;
 
        thinnib = thinness - hair;
        thinpen = thinness;
-       set_char_box(-xpart exact_center + breapth_factor* reduced_il#, 
+       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;
+
+       z1 = center + whatever * dir (inner_start_angle);
        x1 = xpart center -.28 reduced_il;
        
        top z2r = center + (0,reduced_il + stafflinethickness/2);
@@ -223,7 +259,7 @@ def draw_gclef (expr exact_center, reduction)=
 
        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);
@@ -232,19 +268,20 @@ def draw_gclef (expr exact_center, reduction)=
 
        penpos7(thickness, 135);
        penpos8(1.5 thinnib, - 70 + angle downstroke_dir);
-       penpos9(1.5 thickness, -80);
+       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  
+               .. z9r & z9r{dir (downstroke_angle+ 40)} % ugh
                %.. z8r
                .. z7r{down} .. z5r{down} .. z4r{right}
                .. z3r .. z2r{left} .. 
@@ -259,7 +296,7 @@ def draw_gclef (expr exact_center, reduction)=
        draw_bulb(-1,  z13l, lft z13r, 6/14 reduced_il, 1.0);
 
        pickup pencircle scaled (thinpen);
-       draw z10 --- z11 .. z12{left};
+       draw z10 --- z14 .. z11  .. tension 0.85 ..  z12{left};
 
        penlabels(range 1 thru 15);
 enddef;
@@ -269,10 +306,10 @@ fet_beginchar("G clef", "violin", "violinclef")
        if test = 1:
                draw_staff(-1,3);
        fi;
-       draw_gclef((1.6 interline#,0), 1.0);
+       draw_gclef((1.7 interline#,0), 1.0);
 fet_endchar;
 fet_beginchar("G clef", "violin_change", "cviolinclef")
        draw_gclef((1.3 interline#,0), .8);
 fet_endchar;
 
-fet_endgroup("klef");
+fet_endgroup("clefs");