-% -*- Fundamental -*-
-
-fet_begingroup("accordion")
-
-accreg_dot_size# := .5staff_space#;
-accreg_linethickness# := 1.3stafflinethickness#;
-
-% This dimention is the same on all registersymbols.
-% The different symbols should calculate their other
-% dimensions from this and accreg_dot_size
-accreg_lh# := 1.0staff_space#;
-
-define_pixels(accreg_dot_size, accreg_linethickness, accreg_lh);
-pen accreg_pen;
-accreg_pen := pencircle xscaled accreg_linethickness yscaled 0.7accreg_linethickness;
-
-fet_beginchar("accDiscant", "accDiscant")
- save r, sx;
- r# = 3/2accreg_lh#;
- define_pixels(r);
-% set_char_box(r#, r#, 2r#, 0);
- set_char_box(r#, r#, 0r#, 2r#); %% arg3 = under linjen, arg4 = over
- pickup accreg_pen;
- draw fullcircle scaled 2r;
- sx = cosd(19.471221);
- draw (-sx*r, r/3)--(sx*r, r/3);
- draw (-sx*r, -r/3)--(sx*r, -r/3);
- currentpicture := currentpicture shifted (0, r);
+%
+% feta-accordion.mf -- draw accordion symbols
+%
+% source file of the GNU LilyPond music typesetter
+%
+% (c) 1998--2008 Han-Wen Nienhuys <hanwen@xs4all.nl>
+
+fet_begingroup ("accordion");
+
+%
+% These dimensions are the same for all register symbols.
+% The different symbols should calculate their other dimensions from them.
+%
+
+accreg_dot_size# := .5 staff_space#;
+accreg_linethickness# := 1.3 stafflinethickness#;
+accreg_lh# := 1.0 staff_space#;
+
+define_pixels (accreg_dot_size, accreg_linethickness, accreg_lh);
+
+
+fet_beginchar ("accDiscant", "accDiscant")
+ save r, pat, lh, lt;
+ path pat;
+
+ r# = 3/2 accreg_lh#;
+ define_pixels (r);
+
+ set_char_box (r# + accreg_linethickness# / 2,
+ r# + accreg_linethickness# / 2,
+ 0, 2 r# + 0.7 accreg_linethickness#);
+
+ lh = vround (2/3 r);
+ lt = vround (0.7 accreg_linethickness);
+
+ h := 3 lh + lt;
+ b := w := (3 lh + hround accreg_linethickness) / 2;
+
+ penpos1 (hround accreg_linethickness, 0);
+ penpos2 (lt, 90);
+ penpos3 (hround accreg_linethickness, 180);
+ penpos4 (lt, 270);
+
+ z1r = (w, h / 2);
+ z2r = (0, h);
+ z3r = (-b, h / 2);
+ z4r = (0, 0);
+
+ penlabels (1, 2, 3, 4);
+
+ % mf doesn't handle pixel dropouts in outline objects, so we use
+ % `draw' if not called by mpost
+ if known miterlimit:
+ fill z1r
+ .. z2r
+ .. z3r
+ .. z4r
+ .. cycle;
+ unfill z1l
+ .. z2l
+ .. z3l
+ .. z4l
+ .. cycle;
+ else:
+ pickup pencircle xscaled accreg_linethickness yscaled lt;
+ draw z1
+ .. z2
+ .. z3
+ .. z4
+ .. cycle;
+ fi;
+
+ pat := z4{right}
+ .. z1{up}
+ .. {left}z2;
+
+ pickup penrazor scaled lt rotated 90;
+
+ top z5 = pat intersectionpoint ((0, lh + lt) -- (w, lh + lt));
+ z6 = z5 xscaled -1;
+ bot z7 = pat intersectionpoint ((0, 2 lh) -- (w, 2 lh));
+ z8 = z7 xscaled -1;
+
+ labels (5, 6, 7, 8);
+
+ draw z5
+ -- z6;
+ draw z7
+ -- z8;
fet_endchar;
-fet_beginchar("accDot", "accDot")
- set_char_box(accreg_dot_size#, accreg_dot_size#, 0, 0);
+
+fet_beginchar ("accDot", "accDot")
+ set_char_box (accreg_dot_size# / 2, accreg_dot_size# / 2,
+ accreg_dot_size# / 2, accreg_dot_size# / 2);
+
pickup pencircle scaled accreg_dot_size;
- draw(0, 0);
+
+ rt x0 = hround (accreg_dot_size / 2);
+ top y0 = vround (accreg_dot_size / 2);
+
+ drawdot z0;
fet_endchar;
-fet_beginchar("accFreebase", "accFreebase")
- save r;
- r#= accreg_lh#;
- define_pixels(r);
- set_char_box(r#, r#, 0, 2r#);
- pickup accreg_pen;
- draw fullcircle scaled 2r;
- draw (-r, 0)--(r, 0);
- currentpicture := currentpicture shifted (0, r);
+
+fet_beginchar ("accFreebase", "accFreebase")
+ save r, lh, lt;
+
+ r# = accreg_lh#;
+ define_pixels (r);
+
+ set_char_box (r# + accreg_linethickness# / 2,
+ r# + accreg_linethickness# / 2,
+ 0, 2 r# + 0.7 accreg_linethickness#);
+
+ lh = vround r;
+ lt = vround (0.7 accreg_linethickness);
+
+ h := 2 lh + lt;
+ b := w := (2 lh + hround accreg_linethickness) / 2;
+
+ penpos1 (hround accreg_linethickness, 0);
+ penpos2 (lt, 90);
+ penpos3 (accreg_linethickness, 180);
+ penpos4 (lt, 270);
+
+ z1r = (w, h / 2);
+ z2r = (0, h);
+ z3r = (-b, h / 2);
+ z4r = (0, 0);
+
+ penlabels (1, 2, 3, 4);
+
+ % mf doesn't handle pixel dropouts in outline objects, so we use
+ % `draw' if not called by mpost
+ if known miterlimit:
+ fill z1r
+ .. z2r
+ .. z3r
+ .. z4r
+ .. cycle;
+ unfill z1l
+ .. z2l
+ .. z3l
+ .. z4l
+ .. cycle;
+ else:
+ pickup pencircle xscaled accreg_linethickness yscaled lt;
+ draw z1
+ .. z2
+ .. z3
+ .. z4
+ .. cycle;
+ fi;
+
+ pickup penrazor scaled lt rotated 90;
+
+ draw z1
+ -- z3;
fet_endchar;
-fet_beginchar("accStdbase", "accStdbase")
- save r, sx;
- r# = 2accreg_lh#;
- define_pixels(r);
- sx = cosd 30 ;
- set_char_box(r#, r#, 0, 2r#);
- pickup accreg_pen;
- draw fullcircle scaled 2r;
- draw (-r, 0)--(r, 0);
- draw (-sx*r, r/2)--(sx*r, r/2);
- draw (-sx*r, -r/2)--(sx*r, -r/2);
- currentpicture := currentpicture shifted (0, r);
+
+fet_beginchar ("accStdbase", "accStdbase")
+ save r, p, lh, lt;
+ path pat;
+
+ r# = 2 accreg_lh#;
+ define_pixels (r);
+
+ set_char_box (r# + accreg_linethickness# / 2,
+ r# + accreg_linethickness# / 2,
+ 0, 2 r# + 0.7 accreg_linethickness#);
+
+ lh = vround (1/2 r);
+ lt = vround (0.7 accreg_linethickness);
+
+ h := 4 lh + lt;
+ b := w := (4 lh + hround accreg_linethickness) / 2;
+
+ penpos1 (hround accreg_linethickness, 0);
+ penpos2 (lt, 90);
+ penpos3 (hround accreg_linethickness, 180);
+ penpos4 (lt, 270);
+
+ z1r = (w, h / 2);
+ z2r = (0, h);
+ z3r = (-b, h / 2);
+ z4r = (0, 0);
+
+ penlabels (1, 2, 3, 4);
+
+ % mf doesn't handle pixel dropouts in outline objects, so we use
+ % `draw' if not called by mpost
+ if known miterlimit:
+ fill z1r
+ .. z2r
+ .. z3r
+ .. z4r
+ .. cycle;
+ unfill z1l
+ .. z2l
+ .. z3l
+ .. z4l
+ .. cycle;
+ else:
+ pickup pencircle xscaled accreg_linethickness yscaled lt;
+ draw z1
+ .. z2
+ .. z3
+ .. z4
+ .. cycle;
+ fi;
+
+ pat := z4{right}
+ .. z1{up}
+ .. {left}z2;
+
+ pickup penrazor scaled lt rotated 90;
+
+ top z5 = pat intersectionpoint ((0, lh + lt) -- (w, lh + lt));
+ z6 = z5 xscaled -1;
+ bot z7 = pat intersectionpoint ((0, 3 lh) -- (w, 3 lh));
+ z8 = z7 xscaled -1;
+
+ labels (5, 6, 7, 8);
+
+ draw z1
+ -- z3;
+ draw z5
+ -- z6;
+ draw z7
+ -- z8;
fet_endchar;
-%%% strange turning path.
-fet_beginchar("accBayanbase", "accBayanbase")
- save lh;
- lh = accreg_lh;
-% set_char_box(accreg_lh#, accreg_lh#, 3accreg_lh#, 0);
- set_char_box(accreg_lh#, accreg_lh#, 0, 3accreg_lh#);
- pickup pencircle scaled accreg_linethickness;
- %draw (0, 0)--(2w, 0)--(2w, 3accreg_lh)--(0, 3accreg_lh)--(0, 0);
- draw (0, 0)--(2w, 0)--(2w, 3accreg_lh)--(0, 3accreg_lh)--cycle;
- draw (0, accreg_lh)--(2w, accreg_lh);
- draw (0, 2accreg_lh)--(2w, 2accreg_lh);
- currentpicture := currentpicture shifted (-w, 0);% -3lh);
+
+fet_beginchar ("accBayanbase", "accBayanbase")
+ save lh, lt;
+
+ lh = vround accreg_lh;
+ lt = vround accreg_linethickness;
+
+ set_char_box (accreg_lh# + accreg_linethickness# / 2,
+ accreg_lh# + accreg_linethickness# / 2,
+ 0, 3 accreg_lh# + accreg_linethickness#);
+
+ h := 3 lh + lt;
+
+ draw_rounded_block ((-w, 0), (-w + lt, h), lt);
+ draw_rounded_block ((w - lt, 0), (w, h), lt);
+
+ pickup penrazor scaled lt rotated 90;
+
+ bot z1 = (-w + lt / 2, 0);
+ bot z2 = (-w + lt / 2, lh);
+ bot z3 = (-w + lt / 2, 2 lh);
+ bot z4 = (-w + lt / 2, 3 lh);
+
+ bot z5 = (w - lt / 2, 0);
+ bot z6 = (w - lt / 2, lh);
+ bot z7 = (w - lt / 2, 2 lh);
+ bot z8 = (w - lt / 2, 3 lh);
+
+ draw z1
+ -- z5;
+ draw z2
+ -- z6;
+ draw z3
+ -- z7;
+ draw z4
+ -- z8;
fet_endchar;
-def def_B(expr w, h) =
- % huh?
- % pickup pencircle scaled 0.1pt;
- pickup pencircle scaled 0.15linethickness;
- penpos10(thin, -90);
- penpos11(thin, -90);
- penpos12(thick, 0);
- penpos13(thin, 90);
- penpos14(thin, 90);
-
- penpos15(thick, 180);
- penpos16(thin, -90);
- penpos17(thin, -90);
- penpos18(thick, 0);
- penpos19(thick, 0);
+
+def def_B (expr w, h) =
+ pickup pencircle scaled 0.15 linethickness;
+
+ penpos10 (thin, -90);
+ penpos11 (thin, -90);
+ penpos12 (thick, 0);
+ penpos13 (thin, 90);
+ penpos14 (thin, 90);
+
+ penpos15 (thick, 180);
+ penpos16 (thin, -90);
+ penpos17 (thin, -90);
+ penpos18 (thick, 0);
+ penpos19 (thick, 0);
+
z10 = (0, 0);
- z11 = (cOne*w, 0);
- z12 = (w, .5mb*h);
- z13 = (cTwo*w, mb*h);
- z14 = (2thick, mb*h);
- z15 = (.94w, h-.5mt*h);
- z16 = z13 + (0, mt*h);
+ z11 = (cOne * w, 0);
+ z12 = (w, .5 mb * h);
+ z13 = (cTwo * w, mb * h);
+ z14 = (2 thick, mb * h);
+ z15 = (.94 w, h - .5 mt * h);
+ z16 = z13 + (0, mt * h);
z17 = (0, h);
- z18 = (1.5thick, 0);
- z19 = (1.5thick, h);
+ z18 = (1.5 thick, 0);
+ z19 = (1.5 thick, h);
enddef;
-def def_S(expr w, h) =
- % huh?
- %pickup pencircle scaled 0.02pt;
- pickup pencircle scaled 0.03linethickness;
- penpos1(thin, 180);
- penpos2(thin, -90);
- penpos3(thick, 0);
- penpos4(.5thick, 90);
- penpos5(thick, 0);
- penpos6(thin, -90);
- penpos7(thin, 180);
- penpos8(thin, 180);
- penpos9(thin, 0);
+
+def def_S (expr w, h) =
+ pickup pencircle scaled 0.03 linethickness;
+
+ penpos1 (thin, 180);
+ penpos2 (thin, -90);
+ penpos3 (thick, 0);
+ penpos4 (.5 thick, 90);
+ penpos5 (thick, 0);
+ penpos6 (thin, -90);
+ penpos7 (thin, 180);
+ penpos8 (thin, 180);
+ penpos9 (thin, 0);
+
z1 = (0, hs);
- z2 = (w/2, 0);
- z3 = (w-.5thick, .5mb*h);
- z4 = (w/2, mb*h);
- z5 = (.5thick, h-.5mt*h);
- z6 = (w/2, h);
- z7 = (w, h-hs);
+ z2 = (w / 2, 0);
+ z3 = (w - .5 thick, .5 mb * h);
+ z4 = (w / 2, mb * h);
+ z5 = (.5 thick, h - .5 mt * h);
+ z6 = (w / 2, h);
+ z7 = (w, h - hs);
z8 = (0, y2r);
z9 = (w, y6l);
+
path bue, bueoverst;
- bue=z2{left}..z1{up};
- numeric t;
- t:=xpart(bue intersectiontimes(z8l--z7l));
-% show t;
- bueoverst=z6{right}..z7{down};
+
+ bue := z2{left}
+ .. z1{up};
+
+ t := xpart (bue intersectiontimes (z8l -- z7l));
+
+ bueoverst := z6{right}
+ .. z7{down};
enddef;
+
def def_some_vars =
save hs, mb, mt, thin, thick, height, width, cOne, cTwo;
- width = .8(4 staff_space);
- height = 2.4staff_space;
+ save bx, hx;
+
+ width = .8 (4 staff_space);
+ height = 2.4 staff_space;
% URG. smaller sizes should be wider and fatter
- %thin = 0.05staff_space;
- %thick = 0.2staff_space;
- save bx,hx; 4hx+bx=1.15; 10hx+bx=1;
- fatten:=designsize*hx+bx*1.2;
- thick:= 0.2staff_space*fatten;
+ % thin = 0.05 staff_space;
+ % thick = 0.2 staff_space;
+
+ 4 hx + bx = 1.15;
+ 10 hx + bx = 1;
+ fatten := designsize * hx + bx * 1.2;
+ thick := 0.2 staff_space * fatten;
+
% urg: mustn't ever go thinner than blot!
- thin#:= blot_diameter#;
+ thin# := blot_diameter#;
define_pixels (thin);
- hs = 0.4staff_space;
+ hs = 0.4 staff_space;
mb = .53;
- mt = .47;
+ mt = .47;
cOne = 0.65;
cTwo = 0.60;
enddef;
-def print_penpos (suffix $)=
- message "z"&str $ &"l = ("&decimal x.$.l&", "&decimal y.$.l&"); z"&str $ &"r = ("&decimal x.$.r&", "&decimal y.$.r&");";
-enddef;
+fet_beginchar ("accOldEE", "accOldEE")
+ save r, pp, ir, lh, lt, stroke_width;
+
+ r# = staff_space#;
+ define_pixels (r);
-%%% strange turning path.
-fet_beginchar("accOldEE", "accOldEE")
- set_char_box(staff_space#, staff_space#, 0, 2staff_space#);
- r = staff_space;
lr = .4 staff_space - linethickness;
ir = .6 staff_space;
+ stroke_width = .05 staff_space + .5 linethickness;
+
+ set_char_box (r# + accreg_linethickness# / 2,
+ r# + accreg_linethickness# / 2,
+ 0, 2 r# + 0.7 accreg_linethickness#);
- z1 = (0,0);
+ z1 = (0, 0);
z2 = (0, ir);
- penpos1 (0,0);
- penpos2 ( .05 staff_space + .5 linethickness,0);
+ z3 = (0, -ir);
- penlabels(1,2,3);
+ penpos1 (blot_diameter, 0);
+ penpos2 (stroke_width + blot_diameter, 0);
+ penpos3 (stroke_width + blot_diameter, 0);
- numeric pp;
- pickup pencircle scaled blot_diameter;
- for pp := 0 step 45 until 360:
- filldraw fullcircle scaled lr shifted (ir*(dir pp));
- filldraw (z1r--z1l--z2l--z2r--cycle) rotated pp;
- endfor
+ pickup pencircle scaled (lr + blot_diameter);
- pickup accreg_pen;
- draw fullcircle scaled 2r;
- pickup penrazor;
+ for pp := 0 step 45 until 135:
+ drawdot z2 rotated pp;
+ drawdot z3 rotated pp;
- filldraw fullcircle scaled lr;
+ penstroke (z2e
+ -- z1e
+ -- z3e) rotated pp;
+ endfor;
- currentpicture := currentpicture shifted (0, r);
+ pickup pencircle scaled lr;
+ drawdot (0, 0);
-fet_endchar;
+ currentpicture := currentpicture shifted (0, h / 2);
+
+ lh = vround (2 r);
+ lt = vround (0.7 accreg_linethickness);
+ h := lh + lt;
+ b := w := (lh + hround accreg_linethickness) / 2;
+
+ penpos10 (hround accreg_linethickness, 0);
+ penpos11 (lt, 90);
+ penpos12 (hround accreg_linethickness, 180);
+ penpos13 (lt, 270);
+
+ z10r = (w, h / 2);
+ z11r = (0, h);
+ z12r = (-b, h / 2);
+ z13r = (0, 0);
+
+ % penlabels (1, 2, 10, 11, 12, 13);
+
+ % mf doesn't handle pixel dropouts in outline objects, so we use
+ % `draw' if not called by mpost
+ if known miterlimit:
+ fill z10r
+ .. z11r
+ .. z12r
+ .. z13r
+ .. cycle;
+ unfill z10l
+ .. z11l
+ .. z12l
+ .. z13l
+ .. cycle;
+ else:
+ pickup pencircle xscaled accreg_linethickness yscaled lt;
+ draw z10
+ .. z11
+ .. z12
+ .. z13
+ .. cycle;
+ fi;
+fet_endchar;
-fet_endgroup("accordion")
+fet_endgroup ("accordion");