%
% feta-toevallig.mf -- implement Accidentals
%
-% source file of the Feta (Font-En-Tja) music font
+% (c) 1997--2006 Han-Wen Nienhuys <hanwen@xs4all.nl>
%
-% (c) 1997--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+
+
%
+% also show in other configuration wrt staff lines.
+%
+def draw_shifted_too =
+if test > 0:
+ fet_beginchar ("shifted too", "");
+ set_char_box (0, 0,0,0);
+ currentpicture := remember_pic;
+
+ draw_staff (-2, 2, 0.5);
+ fet_endchar;
+fi;
+enddef;
+
%
%
+%
+% Naming for microtonal
+%
+% BASES SLASHES STEMS
+%
+% mirroredflat.flat.slashslash
+%
+
+% standard sharp:
+% sharp.slashslash.stemstem
+% sharp.slashslash.stem
+
+
fet_begingroup ("accidentals");
save remember_pic;
picture remember_pic;
+save sharp_beamheight;
+sharp_beamheight# := 0.3 staff_space# + stafflinethickness#;
%
% The beams of most sharps have horizontal endings (as if drawn with
%
def draw_meta_sharp (expr width, offset) =
- save beamheight, beamwidth, beamslope;
+ save beamwidth, beamslope;
save ne, nw_dist;
pair ne, nw_dist;
beamwidth := width;
- beamheight# := 0.3 staff_space# + stafflinethickness#;
- define_whole_vertical_blacker_pixels (beamheight);
+ define_whole_vertical_blacker_pixels (sharp_beamheight);
clearxy;
- beamslope = beamheight / beamwidth;
+ beamslope = sharp_beamheight / beamwidth;
pickup pencircle scaled 2 blot_diameter;
rt x2 - lft x1 = beamwidth;
- y2 - y1 = beamheight;
+ y2 - y1 = sharp_beamheight;
.5 [z1, z3] = (.5 w, offset);
x3 = x2;
- top y2 - bot y3 = beamheight;
+ top y2 - bot y3 = sharp_beamheight;
x4 = x1;
- top y1 - bot y4 = beamheight;
+ top y1 - bot y4 = sharp_beamheight;
ne = unitvector (z2 - z1);
nw_dist = (ne rotated 90) * blot_diameter;
enddef;
-fet_beginchar ("Sharp", "2");
+fet_beginchar ("Sharp", "sharp");
save stem, stemx, stemwidth;
save outer_space, interbeam;
draw_staff (-2, 2, 0);
fet_endchar;
+draw_shifted_too;
-if test > 0:
- fet_beginchar ("Sharp", "2");
-
- set_char_box (0, 1.1 staff_space#,
- 1.5 staff_space#, 1.5 staff_space#);
-
- currentpicture := remember_pic;
-
- draw_staff (-2, 2, 0.5);
- fet_endchar;
-fi;
-
-
-fet_beginchar ("1/2 Sharp", "1");
+fet_beginchar ("1/2 Sharp", "sharp.slashslash.stem");
save stem, stemwidth;
save outer_space, interbeam;
draw_staff (-2, 2, 0);
fet_endchar;
+draw_shifted_too;
-if test > 0:
- fet_beginchar ("1/2 Sharp", "1");
+fet_beginchar ("Sharp (3 beams)", "sharp.slashslashslash.stemstem");
+ save stem, stemx, stemwidth;
+ save outer_space, interbeam;
+ save sharp_beamheight;
- set_char_box (0, 0.7 staff_space#,
- 1.5 staff_space#, 1.5 staff_space#);
+ sharp_beamheight# := 0.22 staff_space# + stafflinethickness#;
- currentpicture := remember_pic;
- draw_staff (-2, 2, 0.5);
- fet_endchar;
-fi;
+ stemwidth# := stafflinethickness# + .05 staff_space#;
+ define_whole_blacker_pixels (stemwidth);
+
+ interbeam := 1.2 staff_space_rounded;
+ set_char_box (0, 1.1 staff_space#,
+ 1.5 staff_space#, 1.5 staff_space#);
+
+ stem := 7 / 16 * w;
+ stemx := hround stem;
+ outer_space := hround ((w - stemx - stemwidth) / 2);
+
+ w := 2 outer_space + stemx + stemwidth;
+ d := d - feta_space_shift;
+
+ draw_meta_sharp (.88 w, -.5 interbeam);
+ draw_meta_sharp (w, 0);
+ draw_meta_sharp (.88 w, -.5 interbeam + vround interbeam);
+
+ pickup pencircle scaled stemwidth;
-fet_beginchar ("3/4 Sharp", "3");
+ lft x5 = lft x6 = outer_space;
+ lft x7 = lft x8 = outer_space + stemx;
+ bot y5 = -d;
+ top y6 = vround (1.5 staff_space - stem * beamslope);
+ bot y7 = -top y6 + feta_space_shift;
+ top y8 = h;
+
+ labels (5, 6, 7, 8);
+
+ draw_gridline (z5, z6, stemwidth);
+ draw_gridline (z7, z8, stemwidth);
+
+ remember_pic := currentpicture;
+
+ draw_staff (-2, 2, 0);
+fet_endchar;
+
+draw_shifted_too;
+
+fet_beginchar ("1/2 Sharp (3 beams)", "sharp.slashslashslash.stem");
+ save stem, stemx, stemwidth;
+ save outer_space, interbeam;
+ save sharp_beamheight;
+
+ sharp_beamheight# := 0.22 staff_space# + stafflinethickness#;
+
+ stemwidth# := stafflinethickness# + .05 staff_space#;
+ define_whole_blacker_pixels (stemwidth);
+
+ interbeam := 1.2 staff_space_rounded;
+
+ set_char_box (0, 0.95 staff_space#,
+ 1.3 staff_space#, 1.3 staff_space#);
+
+ stem := 7 / 16 * w;
+ outer_space := hround ((w - stemwidth) / 2);
+ w := 2 outer_space + stemwidth;
+ d := d - feta_space_shift;
+
+ draw_meta_sharp (.8 w, -.5 interbeam);
+ draw_meta_sharp (w, 0);
+ draw_meta_sharp (.8 w, -.5 interbeam + vround interbeam);
+
+ pickup pencircle scaled stemwidth;
+
+ lft x5 = lft x6 = outer_space;
+ top y6 = vround (1.5 staff_space - .5 stem);
+ bot y5 = -top y6 + feta_space_shift;
+ labels (5, 6);
+
+
+ draw_gridline (z5, z6, stemwidth);
+
+
+ remember_pic := currentpicture;
+
+ draw_staff (-2, 2, 0);
+fet_endchar;
+
+draw_shifted_too;
+
+
+fet_beginchar ("3/4 Sharp", "sharp.slashslash.stemstemstem");
save stem, stemx, stemwidth;
save outer_space, interbeam;
draw_staff (-2, 2, 0);
fet_endchar;
+draw_shifted_too;
-if test > 0:
- fet_beginchar ("3/4 Sharp", "3");
-
- set_char_box (0, 1.6 staff_space#,
- 1.5 staff_space#, 1.5 staff_space#);
-
- currentpicture := remember_pic;
-
- draw_staff (-2, 2, 0.5);
- fet_endchar;
-fi;
%
% The stems of the natural are brushed (at least, in Barenreiter SCS)
%
-fet_beginchar ("Natural", "0");
- save beam_shift;
- save interbeam, interstem;
- save beamheight, beamwidth;
+fet_beginchar ("Natural", "natural");
save stemwidth, top_stem_thick;
+ save ne, pat_top, pat_bottom;
+ pair ne;
+ path pat_top, pat_bottom;
- beamheight# = 0.35 staff_space# + .5 stafflinethickness#;
- top_stem_thick# = stafflinethickness# + .09 staff_space#;
- stemwidth# = 0.08 staff_space# + .5 stafflinethickness#;
- define_whole_vertical_blacker_pixels (beamheight);
+ top_stem_thick# = stafflinethickness# + .10 staff_space#;
+ stemwidth# = 0.09 staff_space# + .5 stafflinethickness#;
define_whole_blacker_pixels (top_stem_thick, stemwidth);
set_char_box (0, 2/3 staff_space#,
1.5 staff_space#, 1.5 staff_space#);
- interstem + stemwidth = w;
-
- z2 - z1 = (interstem, slope * interstem);
- xpart .5 [z2, z1] = w / 2;
-
d := d - feta_space_shift;
- pickup penrazor scaled beamheight rotated 90;
- top y2 = vround (staff_space - 3/2 stafflinethickness);
- slope = stafflinethickness / interstem;
+ pickup pencircle scaled stemwidth;
- x1 := round x1;
- y1 := round y1;
- x2 := round x2;
- y2 := round y2;
+ penpos1 (top_stem_thick, 0);
+ penpos3 (top_stem_thick, 0);
+ penpos2 (stemwidth, 0);
+ penpos4 (stemwidth, 0);
- x1' = x1;
- bot y1' = -d + (h - top y2);
- z1 - z1' = z2 - z2';
+ x2r = w;
+ x4l = 0;
+ x3 = x2;
+ x1 = x4;
- draw z1
- -- z2;
- draw z1'
- -- z2';
+ y1 = h;
+ y3 = -d;
+ top y2 = vround (staff_space - 3/2 stafflinethickness);
+ y4 = -y2 + feta_space_shift;
- beamtop = top y2;
+ pat_bottom := z4r{z4r - z1r}
+ .. bot z4
+ .. z4l{z1l - z4l};
+ fill simple_serif (z1l, z1r, -30)
+ -- pat_bottom
+ -- cycle;
- pickup pencircle scaled stemwidth;
- x3 = x1;
- x4 = x2;
+ pat_top := z2r{z2r - z3r}
+ .. top z2
+ .. z2l{z3l - z2l};
+ fill simple_serif (z3l, z3r, 30)
+ -- pat_top
+ -- cycle;
- penpos3 (top_stem_thick, 0);
- penpos5 (top_stem_thick, 0);
- penpos4 (stemwidth, 0);
- penpos6 (stemwidth, 0);
-
- y3 = h;
- top y4 = beamtop;
- x5 = x4;
- x6 = x3;
- y6 = -y4 + feta_space_shift;
- y5 = -d;
-
- fill simple_serif (z3l, z3r, -30)
- -- z6r
- .. bot z6
- .. z6l
+ ne = (x2 - x4, stafflinethickness);
+
+ z11' = z3l + whatever * (z2l - z3l);
+ y11' = vround (.5 (staff_space - stafflinethickness));
+ z11 = z11' + whatever * ne;
+ x11 = x12;
+ z12 = directionpoint -ne of pat_top;
+ z13 = z12 + whatever * ne;
+ x13 = x1;
+ z14 = z11 + whatever * ne;
+ x14 = x1;
+
+ z21' = z4r + whatever * (z1r - z4r);
+ y21' = -y11' + feta_space_shift;
+ z21 = z21' + whatever * ne;
+ x21 = x22;
+ z22 = directionpoint -ne of pat_bottom;
+ z23 = z22 + whatever * ne;
+ x23 = x3;
+ z24 = z21 + whatever * ne;
+ x24 = x3;
+
+ fill z11
+ -- z12
+ -- z13
+ -- z14
-- cycle;
- fill simple_serif (z5l, z5r, 30)
- -- z4r
- .. top z4
- .. z4l
+ fill z21
+ -- z22
+ -- z23
+ -- z24
-- cycle;
- penlabels (3, 4, 5, 6);
- labels (1, 1', 2, 2');
+ penlabels (1, 2, 3, 4);
+ labels (11, 11', 12, 13, 14, 21, 21', 22, 23, 24);
remember_pic := currentpicture;
draw_staff (-2, 2, 0);
fet_endchar;
-
-if test > 0:
- fet_beginchar ("Natural", "0");
- set_char_box (0, 2/3 staff_space#,
- 1.5 staff_space#, 1.5 staff_space#);
-
- currentpicture := remember_pic;
-
- draw_staff (-2, 2, 0.5);
- fet_endchar;
-fi;
+draw_shifted_too;
%
% unfortunately, 600dpi is not enough to show the brush of the stem.
%
-fet_beginchar ("Flat", "-2");
+fet_beginchar ("Flat", "flat");
set_char_box (1.2 stafflinethickness#, .8 staff_space#,
0.6 staff_space#, 1.9 staff_space#);
draw_staff (-2, 2, 0);
fet_endchar;
+draw_shifted_too;
-if test > 0:
- fet_beginchar ("Flat", "-2");
- set_char_box (1.2 stafflinethickness#, .8 staff_space#,
- 0.6 staff_space#, 1.9 staff_space#);
+fet_beginchar ("Flat (slashed)", "flat.slash");
+ set_char_box (1.2 stafflinethickness#, .8 staff_space#,
+ 0.6 staff_space#, 1.9 staff_space#);
- currentpicture := remember_pic;
+ draw_meta_flat (0, w, 0.31 staff_space);
+ clearxy;
+ save slope, slash_width;
+ slope = 0.5;
+ slash_width = w;
+ z1 = (0, h / 2);
+ z2 = z1 - (slash_width, slash_width * slope)/2;
+ z3 = z1 + (slash_width, slash_width * slope)/2;
+
+ pickup pencircle scaled 1.5 stafflinethickness;
+ draw z2 .. z3;
+ labels (1, 2, 3);
+ remember_pic := currentpicture;
- draw_staff (-2, 2, 0.5);
- fet_endchar;
-fi;
+ draw_staff (-2, 2, 0);
+fet_endchar;
+
+fet_beginchar ("Flat (slashed twice)", "flat.slashslash");
+ set_char_box (1.2 stafflinethickness#, .8 staff_space#,
+ 0.6 staff_space#, 1.9 staff_space#);
+ draw_meta_flat (0, w, 0.31 staff_space);
+ clearxy;
+ save slope, slash_width;
+
+ slope = 0.5;
+ slash_width = w;
+ pickup pencircle scaled 1.5 stafflinethickness;
+
+ z1 = (0, 5/12 h);
+ z2 = (0, 2/3 h);
+ draw z1 - (slash_width, slash_width * slope)/2
+ .. z1 + (slash_width, slash_width * slope)/2;
+ draw z2 - (slash_width, slash_width * slope)/2
+ .. z2 + (slash_width, slash_width * slope)/2;
+ labels (1, 2);
+ remember_pic := currentpicture;
+
+ draw_staff (-2, 2, 0);
+fet_endchar;
+
+fet_beginchar ("Flatflat (mirrored)", "mirroredflat.flat");
+ set_char_box (0, 1.6 staff_space#,
+ 0.6 staff_space#, 1.9 staff_space#);
+
+ draw_meta_flat (0, w/2, 0.31 staff_space);
+ currentpicture := currentpicture xscaled -1;
+ draw_meta_flat (0, w/2, 0.31 staff_space);
+
+ currentpicture := currentpicture shifted (w/2,0);
+ penlabels (range 0 thru 11);
-fet_beginchar ("Semi flat", "-1");
+ remember_pic := currentpicture;
+
+ draw_staff (-2, 2, 0);
+fet_endchar;
+
+draw_shifted_too;
+
+
+
+fet_beginchar ("Semi flat", "mirroredflat");
set_char_box (1.2 stafflinethickness#, .8 staff_space#,
0.6 staff_space#, 1.9 staff_space#);
fet_endchar;
-fet_beginchar ("Double Flat", "-4");
+fet_beginchar ("Double Flat", "flatflat");
save left_wid, overlap, right_wid;
left_wid = .7;
fet_endchar;
-fet_beginchar ("3/4 Flat", "-3");
+fet_beginchar ("3/4 Flat", "flatflat.slash");
save left_wid, overlap, right_wid;
left_wid = .7;
draw_staff (-2, 2, 0);
fet_endchar;
+draw_shifted_too;
-if test > 0:
- fet_beginchar ("3/4 Flat", "-3");
- save left_wid, overlap, right_wid;
-
- left_wid = .7;
- right_wid = .8;
- overlap = .05;
-
- set_char_box (1.2 stafflinethickness#,
- (left_wid + right_wid - overlap) * staff_space#,
- .6 staff_space#, 1.9 staff_space#);
-
- currentpicture := remember_pic;
-
- draw_staff (-2, 2, 0.5);
- fet_endchar;
-fi;
-
-
-fet_beginchar ("Double Sharp", "4");
+fet_beginchar ("Double Sharp", "doublesharp");
save klaverblad, klaversteel;
save pat;
path pat;
draw_staff (-2, 2, 0);
fet_endchar;
-
-if test > 0:
- fet_beginchar ("Double Sharp", "4");
- set_char_box (0, staff_space#,
- .5 staff_space#, .5 staff_space#);
-
- currentpicture := remember_pic;
-
- draw_staff (-2, 2, 0.5);
- fet_endchar;
-fi;
-
+draw_shifted_too;
def draw_paren =
save leftindent;
draw_staff (-2, 2, 0);
fet_endchar;
-
-if test > 0:
- fet_beginchar ("Right Parenthesis", "rightparen");
- draw_paren;
- penlabels (1, 2, 3);
-
- remember_pic := currentpicture;
-
- draw_staff (-2, 2, 0.5);
- fet_endchar;
-fi;
+draw_shifted_too;
fet_beginchar ("Left Parenthesis", "leftparen");
set_char_box (charwd, charbp, chardp, charht);
fet_endchar;
-
fet_endgroup ("accidentals");