-save sharp_beamheight;
-sharp_beamheight# := 0.3 staff_space# + stafflinethickness#;
-
%
% The beams of most sharps have horizontal endings (as if drawn with
% a square pen). [Wanske] does not mention this, so we'll just ignore
% this fact.
%
-def draw_meta_sharp (expr width, offset) =
- save beamwidth, beamslope;
- save ne, nw_dist;
- pair ne, nw_dist;
-
- beamwidth := width;
-
- define_whole_vertical_blacker_pixels (sharp_beamheight);
-
- clearxy;
-
- beamslope = sharp_beamheight / beamwidth;
-
- pickup pencircle scaled 2 blot_diameter;
-
- rt x2 - lft x1 = beamwidth;
- z2 = z1 + whatever * (beamwidth, sharp_beamheight);
- .5 [z1, z3] = (.5 w, offset);
- x3 = x2;
- top y2 - bot y3 = sharp_beamheight;
- x4 = x1;
- top y1 - bot y4 = sharp_beamheight;
-
- ne = unitvector (z2 - z1);
- nw_dist = (ne rotated 90) * blot_diameter;
-
- fill lft z1{up}
- ... (z1 + nw_dist){ne}
- -- (z2 + nw_dist){ne}
- ... rt z2{down}
- -- rt z3{down}
- ... (z3 - nw_dist){-ne}
- -- (z4 - nw_dist){-ne}
- ... lft z4{up}
- -- cycle;
-
- labels (1, 2, 3, 4);
-enddef;
+save default_width, default_height, onestemmed_height;
+save default_interbeam_dist, triples_interbeam_dist;
+save default_beam_thickness, stem_thickness;
+default_width# := 1.1 staff_space#;
+default_height# := 3 staff_space#;
+onestemmed_height# := 2.66 staff_space#;
+define_pixels (default_width);
-def draw_sharp(expr arrowup, arrowdown) =
- save stem, stemx, stemwidth;
- save outer_space, interbeam;
- save stemlength, extendleft, extendright, height, depth;
+default_interbeam_dist := 1.05 staff_space_rounded;
+triples_interbeam_dist := 1.2 staff_space_rounded;
- stemwidth# := stafflinethickness# + .05 staff_space#;
- define_whole_blacker_pixels (stemwidth);
+default_beam_thickness# := 0.3 staff_space# + stafflinethickness#;
+stem_thickness# := stafflinethickness# + .05 staff_space#;
+define_whole_blacker_pixels (stem_thickness);
- interbeam := 1.05 staff_space_rounded;
- stemlength# := 1.5 staff_space#;
- define_pixels (stemlength);
+def draw_sharp_beam (expr length, y_offset) =
+ save beam_length;
+ save ne_beam_dir, nw_dist;
+ pair ne_beam_dir, nw_dist;
- height# = stemlength#;
- depth# = stemlength#;
- extendright# = 0;
- extendleft# = 0;
- if arrowup:
- height# := height# + 1.2 staff_space#;
- extendright# := extendright# + 1.5 stafflinethickness#;
- fi;
- if arrowdown:
- depth# := depth# + 1.2 staff_space#;
- extendleft# := extendleft# + 1.5 stafflinethickness#;
- fi;
- define_pixels (extendleft, extendright);
- set_char_box (extendleft#, 1.1 staff_space#, depth#, height#);
+ beam_length := length;
- stem := 7 / 16 * w;
- stemx := hround stem;
- outer_space := hround ((w - stemx - stemwidth) / 2);
+ define_whole_vertical_blacker_pixels (default_beam_thickness);
- w := 2 outer_space + stemx + stemwidth;
- d := d - feta_space_shift;
+ clearxy;
- draw_meta_sharp (w, -.5 interbeam);
- draw_meta_sharp (w, -.5 interbeam + vround interbeam);
+ pickup pencircle scaled 2 blot_diameter;
- % expand the charbox so that it encloses the whole arrow;
- % this must not happen earlier because some commands above
- % still rely on the old width
- w := w + extendright;
+ rt x2 - lft x1 = beam_length;
+ z2 = z1 + whatever * (beam_length, default_beam_thickness);
+ .5 [z1, z3] = (.5 w, y_offset);
+ x3 = x2;
+ top y2 - bot y3 = default_beam_thickness;
+ x4 = x1;
+ top y1 - bot y4 = default_beam_thickness;
- pickup pencircle scaled stemwidth;
+ ne_beam_dir = unitvector (z2 - z1);
+ nw_dist = (ne_beam_dir rotated 90) * blot_diameter;
- lft x5 = lft x6 = outer_space;
- lft x7 = lft x8 = outer_space + stemx;
- bot y5 = -stemlength;
- top y6 = vround (1.5 staff_space - stem * beamslope);
- bot y7 = -top y6 + feta_space_shift;
- top y8 = stemlength;
+ fill lft z1{up}
+ ... (z1 + nw_dist){ne_beam_dir}
+ -- (z2 + nw_dist){ne_beam_dir}
+ ... rt z2{down}
+ -- rt z3{down}
+ ... (z3 - nw_dist){-ne_beam_dir}
+ -- (z4 - nw_dist){-ne_beam_dir}
+ ... lft z4{up}
+ -- cycle;
- labels (5, 6, 7, 8);
-
- draw_gridline (z5, z6, stemwidth);
- draw_gridline (z7, z8, stemwidth);
-
- if arrowup:
- draw_arrow (z8, stemwidth, up,
- stafflinethickness / 2 + stemwidth / 2, false);
- fi;
- if arrowdown:
- draw_arrow (z5, stemwidth, up,
- stafflinethickness / 2 + stemwidth / 2, true);
- fi;
+ labels (1, 2, 3, 4);
+enddef;
- remember_pic := currentpicture;
- draw_staff (-2, 2, 0);
+def draw_sharp (expr arrowup, arrowdown) =
+ save dist_between_stems;
+ save outer_space;
+ save half_height, interbeam_dist;
+
+ half_height# := 0.5 default_height#;
+ define_pixels (half_height);
+ interbeam_dist := default_interbeam_dist;
+
+ set_char_box (0, default_width#, half_height#, half_height#);
+ d := d - feta_space_shift;
+
+ dist_between_stems := hround (7 / 16 * default_width);
+ outer_space := hround ((w - dist_between_stems - stem_thickness) / 2);
+
+ w := 2 outer_space + dist_between_stems + stem_thickness;
+
+ draw_sharp_beam (w, -.5 interbeam_dist);
+ draw_sharp_beam (w, -.5 interbeam_dist + vround interbeam_dist);
+
+ % expand the charbox so that it encloses the whole arrow;
+ % this must not happen earlier because some commands above
+ % still rely on the old width
+ if arrowup:
+ w := w + 1.5 stafflinethickness;
+ h := h + 1.2 staff_space;
+ fi;
+ if arrowdown:
+ b := b + 1.5 stafflinethickness;
+ d := d + 1.2 staff_space;
+ fi;
+
+ pickup pencircle scaled stem_thickness;
+
+ lft x5 = lft x6 = outer_space;
+ lft x7 = lft x8 = outer_space + dist_between_stems;
+ bot y5 = -half_height;
+ top y8 = half_height;
+ z6 = z8 + whatever * ne_beam_dir;
+ bot y7 = -top y6 + feta_space_shift;
+
+ draw_gridline (z5, z6, stem_thickness);
+ draw_gridline (z7, z8, stem_thickness);
+
+ if arrowup:
+ draw_arrow (z8, stem_thickness, up,
+ stafflinethickness / 2 + stem_thickness / 2, false);
+ fi;
+ if arrowdown:
+ draw_arrow (z5, stem_thickness, up,
+ stafflinethickness / 2 + stem_thickness / 2, true);
+ fi;
+
+ labels (5, 6, 7, 8);
+ draw_staff_if_debugging (-2, 2);
enddef;
fet_endchar;
-draw_shifted_too;
-
-
fet_beginchar ("Arrowed Sharp (arrow up)", "sharp.arrowup");
draw_sharp (true, false);
fet_endchar;
-draw_shifted_too;
-
-
fet_beginchar ("Arrowed Sharp (arrow down)", "sharp.arrowdown");
draw_sharp (false, true);
fet_endchar;
-draw_shifted_too;
-
-
fet_beginchar ("Arrowed Sharp (arrows up and down)", "sharp.arrowboth");
draw_sharp (true, true);
fet_endchar;
-draw_shifted_too;
-
-
fet_beginchar ("1/2 Sharp", "sharp.slashslash.stem");
- save stem, stemwidth;
- save outer_space, interbeam;
-
- stemwidth# := stafflinethickness# + .05 staff_space#;
- define_whole_blacker_pixels (stemwidth);
-
- interbeam := 1.05 staff_space_rounded;
+ save outer_space;
+ save half_height, interbeam_dist;
- set_char_box (0, 0.7 staff_space#,
- 1.5 staff_space#, 1.5 staff_space#);
+ half_height# := 0.5 onestemmed_height#;
+ define_pixels (half_height);
+ interbeam_dist := default_interbeam_dist;
- stem := 7 / 16 * w;
- outer_space := hround ((w - stemwidth) / 2);
+ set_char_box (0, 0.7 staff_space#, half_height#, half_height#);
+ d := d - feta_space_shift;
- w := 2 outer_space + stemwidth;
- d := d - feta_space_shift;
+ outer_space := hround ((w - stem_thickness) / 2);
- draw_meta_sharp (w, -.5 interbeam);
- draw_meta_sharp (w, -.5 interbeam + vround interbeam);
+ w := 2 outer_space + stem_thickness;
- pickup pencircle scaled stemwidth;
+ draw_sharp_beam (w, -.5 interbeam_dist);
+ draw_sharp_beam (w, -.5 interbeam_dist + vround interbeam_dist);
- lft x5 = lft x6 = outer_space;
- top y6 = vround (1.5 staff_space - .5 stem);
- bot y5 = -top y6 + feta_space_shift;
+ pickup pencircle scaled stem_thickness;
- labels (5, 6);
+ lft x5 = lft x6 = outer_space;
+ top y6 = half_height;
+ bot y5 = -top y6 + feta_space_shift;
- draw_gridline (z5, z6, stemwidth);
+ draw_gridline (z5, z6, stem_thickness);
- remember_pic := currentpicture;
-
- draw_staff (-2, 2, 0);
+ labels (5, 6);
+ draw_staff_if_debugging (-2, 2);
fet_endchar;
-draw_shifted_too;
-
-
fet_beginchar ("Sharp (3 beams)", "sharp.slashslashslash.stemstem");
- save stem, stemx, stemwidth;
- save outer_space, interbeam;
- save sharp_beamheight;
+ save dist_between_stems;
+ save outer_space;
+ save half_height, interbeam_dist;
+ save default_beam_thickness;
- sharp_beamheight# := 0.22 staff_space# + stafflinethickness#;
+ half_height# := 0.5 default_height#;
+ define_pixels (half_height);
+ interbeam_dist := triples_interbeam_dist;
- stemwidth# := stafflinethickness# + .05 staff_space#;
- define_whole_blacker_pixels (stemwidth);
+ default_beam_thickness# := 0.22 staff_space# + stafflinethickness#;
- interbeam := 1.2 staff_space_rounded;
+ set_char_box (0, default_width#, half_height#, half_height#);
- set_char_box (0, 1.1 staff_space#,
- 1.5 staff_space#, 1.5 staff_space#);
+ dist_between_stems := hround (7 / 16 * default_width);
+ outer_space := hround ((w - dist_between_stems - stem_thickness) / 2);
- stem := 7 / 16 * w;
- stemx := hround stem;
- outer_space := hround ((w - stemx - stemwidth) / 2);
+ w := 2 outer_space + dist_between_stems + stem_thickness;
+ d := d - feta_space_shift;
- w := 2 outer_space + stemx + stemwidth;
- d := d - feta_space_shift;
+ draw_sharp_beam (.88 w, -.5 interbeam_dist);
+ draw_sharp_beam (.88 w, -.5 interbeam_dist + vround interbeam_dist);
+ default_beam_thickness# := 1/.88 default_beam_thickness#;
+ draw_sharp_beam (w, 0);
- draw_meta_sharp (.88 w, -.5 interbeam);
- draw_meta_sharp (.88 w, -.5 interbeam + vround interbeam);
- sharp_beamheight# := 1/.88 sharp_beamheight#;
- draw_meta_sharp (w, 0);
+ pickup pencircle scaled stem_thickness;
- pickup pencircle scaled stemwidth;
+ lft x5 = lft x6 = outer_space;
+ lft x7 = lft x8 = outer_space + dist_between_stems;
+ bot y5 = -half_height;
+ top y8 = half_height;
+ z6 = z8 + whatever * ne_beam_dir;
+ bot y7 = -top y6 + feta_space_shift;
- 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;
+ draw_gridline (z5, z6, stem_thickness);
+ draw_gridline (z7, z8, stem_thickness);
- labels (5, 6, 7, 8);
-
- draw_gridline (z5, z6, stemwidth);
- draw_gridline (z7, z8, stemwidth);
-
- remember_pic := currentpicture;
-
- draw_staff (-2, 2, 0);
+ labels (5, 6, 7, 8);
+ draw_staff_if_debugging (-2, 2);
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#;
+ save outer_space;
+ save half_height, interbeam_dist;
+ save default_beam_thickness;
- stemwidth# := stafflinethickness# + .05 staff_space#;
- define_whole_blacker_pixels (stemwidth);
+ half_height# := 0.5 onestemmed_height#;
+ define_pixels (half_height);
+ interbeam_dist := triples_interbeam_dist;
- interbeam := 1.2 staff_space_rounded;
+ default_beam_thickness# := 0.22 staff_space# + stafflinethickness#;
- set_char_box (0, 0.95 staff_space#,
- 1.3 staff_space#, 1.3 staff_space#);
+ set_char_box (0, 0.95 staff_space#, half_height#, half_height#);
- stem := 7 / 16 * w;
- outer_space := hround ((w - stemwidth) / 2);
+ outer_space := hround ((w - stem_thickness) / 2);
- w := 2 outer_space + stemwidth;
- d := d - feta_space_shift;
+ w := 2 outer_space + stem_thickness;
+ d := d - feta_space_shift;
- draw_meta_sharp (.8 w, -.5 interbeam);
- draw_meta_sharp (.8 w, -.5 interbeam + vround interbeam);
- sharp_beamheight# := 1/.8 sharp_beamheight#;
- draw_meta_sharp (w, 0);
+ draw_sharp_beam (.8 w, -.5 interbeam_dist);
+ draw_sharp_beam (.8 w, -.5 interbeam_dist + vround interbeam_dist);
+ default_beam_thickness# := 1/.8 default_beam_thickness#;
+ draw_sharp_beam (w, 0);
- pickup pencircle scaled stemwidth;
+ pickup pencircle scaled stem_thickness;
- 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);
+ lft x5 = lft x6 = outer_space;
+ top y6 = half_height;
+ bot y5 = -top y6 + feta_space_shift;
- draw_gridline (z5, z6, stemwidth);
+ draw_gridline (z5, z6, stem_thickness);
- remember_pic := currentpicture;
-
- draw_staff (-2, 2, 0);
+ labels (5, 6);
+ draw_staff_if_debugging (-2, 2);
fet_endchar;
-draw_shifted_too;
-
-
fet_beginchar ("3/4 Sharp", "sharp.slashslash.stemstemstem");
- save stem, stemx, stemwidth;
- save outer_space, interbeam;
-
- stemwidth# := stafflinethickness# + .05 staff_space#;
- define_whole_blacker_pixels (stemwidth);
-
- interbeam := 1.05 staff_space_rounded;
-
- set_char_box (0, 1.6 staff_space#,
- 1.5 staff_space#, 1.5 staff_space#);
+ save dist_between_stems;
+ save outer_space;
+ save half_height, interbeam_dist;
- stem := 9 / 32 * w;
- stemx := hround stem;
- outer_space := hround ((w - 2 stemx - stemwidth) / 2);
+ half_height# := 0.5 default_height#;
+ define_pixels (half_height);
+ interbeam_dist := default_interbeam_dist;
- w := 2 outer_space + 2 stemx + stemwidth;
- d := d - feta_space_shift;
+ set_char_box (0, 1.6 staff_space#, half_height#, half_height#);
+ d := d - feta_space_shift;
- draw_meta_sharp (w, -.5 interbeam);
- draw_meta_sharp (w, -.5 interbeam + vround interbeam);
+ dist_between_stems := hround (9 / 32 * w);
+ outer_space := hround ((w - 2 dist_between_stems - stem_thickness) / 2);
- pickup pencircle scaled stemwidth;
+ w := 2 outer_space + 2 dist_between_stems + stem_thickness;
- lft x5 = lft x6 = outer_space;
- lft x7 = lft x8 = outer_space + stemx;
- lft x9 = lft x10 = outer_space + 2 stemx;
- bot y5 = -d;
- top y6 = vround (1.5 staff_space - 2 stem * beamslope);
- bot y9 = -top y6 + feta_space_shift;
- top y10 = h;
- y7 = .5 [y5, y9];
- y8 = .5 [y6, y10];
+ draw_sharp_beam (w, -.5 interbeam_dist);
+ draw_sharp_beam (w, -.5 interbeam_dist + vround interbeam_dist);
- labels (5, 6, 7, 8, 9, 10);
+ pickup pencircle scaled stem_thickness;
- draw_gridline (z5, z6, stemwidth);
- draw_gridline (z7, z8, stemwidth);
- draw_gridline (z9, z10, stemwidth);
+ lft x5 = lft x6 = outer_space;
+ lft x9 = lft x10 = outer_space + dist_between_stems;
+ lft x7 = lft x8 = outer_space + 2 dist_between_stems;
+ bot y5 = -half_height;
+ top y8 = half_height;
+ z6 = z8 + whatever * ne_beam_dir;
+ bot y7 = -top y6 + feta_space_shift;
+ y9 = .5 [y5, y7];
+ y10 = .5 [y6, y8];
- remember_pic := currentpicture;
+ draw_gridline (z5, z6, stem_thickness);
+ draw_gridline (z7, z8, stem_thickness);
+ draw_gridline (z9, z10, stem_thickness);
- draw_staff (-2, 2, 0);
+ labels (5, 6, 7, 8, 9, 10);
+ draw_staff_if_debugging (-2, 2);
fet_endchar;
-draw_shifted_too;
-
-
fet_beginchar ("Double Sharp", "doublesharp");
- save klaverblad, klaversteel;
- save pat;
- path pat;
-
- klaversteel = 1/15 staff_space;
- klaverblad = .4 staff_space - .5 stafflinethickness;
-
- set_char_box (0, staff_space#, .5 staff_space#, .5 staff_space#);
-
- z1 = (klaversteel, 0);
- z2 = (w / 2 - klaverblad / 10, h - klaverblad);
- z3 = (w / 2, h);
- z4 = z2 reflectedabout ((0, 0), (1, 1));
- z5 = z1 reflectedabout ((0, 0), (1, 1));
-
- labels (1, 2, 3, 4, 5);
-
- pickup pencircle scaled blot_diameter;
-
- x2 := hfloor (rt x2) - blot_diameter / 2;
- x3 := hfloor (rt x3) - blot_diameter / 2;
- y3 := vfloor (top y3) - blot_diameter / 2;
- y4 := vfloor (top y4) - blot_diameter / 2;
-
- pat = (rt z1){dir45}
- .. {right}(bot z2)
- .. rt z2
- -- rt z3{z3 - z2}
- .. top z3{z4 - z3}
- -- top z4{z4 - z3}
- .. (lft z4){down}
- .. {dir 225}(top z5);
- pat := pat
- -- reverse pat xscaled -1 shifted (-feta_eps, 0);
-
- % assure symmetry -- it's more important to center the glyph on the
- % staff line than centering it between staff lines, so we use
- % feta_shift, not feta_space_shift.
- h := h + feta_shift;
-
- fill pat shifted (0, feta_shift)
- -- reverse pat yscaled -1 shifted (0, -feta_eps)
- -- cycle;
+ save klaverblad, klaversteel;
+ save pat;
+ path pat;
+
+ klaversteel = 1/15 staff_space;
+ klaverblad = .4 staff_space - .5 stafflinethickness;
+
+ set_char_box (0, staff_space#, .5 staff_space#, .5 staff_space#);
+
+ z1 = (klaversteel, 0);
+ z2 = (w / 2 - klaverblad / 10, h - klaverblad);
+ z3 = (w / 2, h);
+ z4 = z2 reflectedabout ((0, 0), (1, 1));
+ z5 = z1 reflectedabout ((0, 0), (1, 1));
+
+ pickup pencircle scaled blot_diameter;
+
+ x2 := hfloor (rt x2) - blot_diameter / 2;
+ x3 := hfloor (rt x3) - blot_diameter / 2;
+ y3 := vfloor (top y3) - blot_diameter / 2;
+ y4 := vfloor (top y4) - blot_diameter / 2;
+
+ pat = (rt z1){dir45}
+ .. {right}(bot z2)
+ .. rt z2
+ -- rt z3{z3 - z2}
+ .. top z3{z4 - z3}
+ -- top z4{z4 - z3}
+ .. (lft z4){down}
+ .. {dir 225}(top z5);
+ pat := pat
+ -- reverse pat xscaled -1 shifted (-feta_eps, 0);
+
+ % assure symmetry -- it's more important to center the glyph on the
+ % staff line than centering it between staff lines, so we use
+ % feta_shift, not feta_space_shift.
+ h := h + feta_shift;
+
+ fill pat shifted (0, feta_shift)
+ -- reverse pat yscaled -1 shifted (0, -feta_eps)
+ -- cycle;
% ugh
currentpicture := currentpicture shifted (hround (w / 2), 0);
- remember_pic := currentpicture;
-
- draw_staff (-2, 2, 0);
+ labels (1, 2, 3, 4, 5);
+ draw_staff_if_debugging (-2, 2);
fet_endchar;
-
-
-draw_shifted_too;
projects / lilypond.git / blobdiff