5 fet_begingroup("flags")
8 % Flags pointing down overlap with the notehead (in x-direction), so
9 % the down-flag can be bigger
10 upflag_width# = .750 black_notehead_width# + stemthickness#/2;
11 downflag_width# = .833 black_notehead_width# + stemthickness#/2;
13 right_upflag_space# = .2 upflag_width#;
14 right_downflag_space# = .2 downflag_width#;
17 % Flags pointing down cannot overlap with the notehead in y-direction,
18 % so they have less slant.
21 % Because of optical illusion, the utmost flag (bottom for
22 % down-pointing, top for up-pointing) should be smaller than the other
23 % flags. Adobe Sonata doesn't do this correctly. (Instead they have an
24 % extension flag. Yuck)
27 save hip_thickness, foot_thickness;
28 hip_thickness# = 1.3 stemthickness#;
29 foot_thickness# = hip_thickness#;
32 % Inspired by Adobe Sonata and [Wanske]
33 % for example, see POSTSCRIPT Language -- program design,
34 % page 119, and [Wanske], p 41,42
36 def draw_flag(expr center, flare,
37 dims, hip_depth, foot_wid, hip_thickness, foot_thickness)=
42 x2r - x2l = hip_thickness;
43 penpos3(foot_thickness, 0) ;
46 z2r = center + (xpart dims, -ypart(dims) * hip_depth);
47 z3r = center + (xpart(dims) * foot_wid, -ypart dims);
49 outer_path := z3r{curl 0} .. z2r{up} .. {up}z1r;
53 ..tension 1.1 .. z2l{down} ..
54 {curl 0} simple_serif(z3l, z3r, 80) &
55 outer_path & z1r -- cycle;
59 % TODO: calc intersectpoint
60 % TODO: calc incision_depth
62 def add_flag(expr yoff, flare, hip_wid_multiplier,
64 intersectpoint, hip_thickness, foot_thickness) =
66 save prev_center, prev_xextreme, prev_yextreme;
67 save rel_foot, ip, center, incision_depth;
68 save prev_hipwid, prev_footdep, prev_hipdep, wid, dep, hip_dep;
69 save hip_dep_ratio, foot_wid_ratio;
70 pair prev_center, center, foot, prev_xextreme, prev_yextreme;
73 incision_depth = 1.013;
74 prev_center = point 2 of outer_path;
75 prev_xextreme = point 1 of outer_path;
76 prev_yextreme = point 0 of outer_path;
77 prev_hipwid = xpart (prev_xextreme - prev_center);
78 prev_footdep = -ypart (prev_yextreme - prev_center);
79 prev_hipdep = -ypart(prev_xextreme - prev_center);
80 ip = point intersectpoint of outer_path;
82 wid = prev_hipwid * hip_wid_multiplier;
83 hip_dep = prev_hipdep * hip_dep_multiplier;
85 center = prev_center + (0,yoff);
86 rel_foot = incision_depth [(wid, hip_dep), ip - center];
87 dep = -ypart(rel_foot);
88 foot_wid_ratio = xpart(rel_foot ) / wid;
89 hip_dep_ratio = hip_dep / dep;
91 draw_flag(center, flare,
92 (wid, dep), hip_dep_ratio, foot_wid_ratio,
93 hip_thickness, foot_thickness);
97 fet_beginchar("8th Flag (up)", "u3", "eighthflag")
99 hip_depth_ratio, hip_width,
100 foot_depth, foot_width_ratio;
102 flare# = 1.0 interline#;
103 hip_depth_ratio = .72;
104 foot_width_ratio = .8;
105 hip_width# = upflag_width# - hip_thickness#/2;
107 foot_depth# = 3 interline#;
109 set_char_box(stemthickness# /2, hip_width#
110 + stemthickness#/2 + right_upflag_space#,
111 foot_depth# + foot_thickness#/2, stemthickness#/2)
113 define_pixels(flare, hip_width, hip_thickness,
114 foot_depth, foot_thickness);
115 draw_flag((stemthickness/2,0), flare,
116 (hip_width, foot_depth),
117 hip_depth_ratio, foot_width_ratio, hip_thickness, foot_thickness);
119 pickup pencircle scaled stemthickness;
120 draw (0, 0) .. (0,-2 interline);
123 fet_beginchar("16th Flag (up)", "u4", "sixteenthflag")
125 hip_depth_ratio, hip_width,
126 foot_depth, foot_width_ratio;
127 save flagspace, total_depth, flag_count;
128 total_depth# = 3.5 interline#;
130 flare# = .85 interline#;
131 flagspace# = .85 interline#;
132 hip_depth_ratio = .72 ;
133 hip_width# = upflag_width# - hip_thickness#/2;
134 flagspace# + foot_depth# = total_depth#;
136 foot_width_ratio = .8;
138 set_char_box(stemthickness# /2, hip_width#
139 + stemthickness#/2 + right_upflag_space#,
140 total_depth# + foot_thickness#/2, stemthickness#/2)
142 define_pixels(flare, hip_width, hip_thickness,
144 foot_depth, foot_thickness);
145 draw_flag((stemthickness/2,- flagspace), flare,
146 (hip_width, foot_depth),
147 hip_depth_ratio,foot_width_ratio, hip_thickness, foot_thickness);
149 add_flag(flagspace, flare,
150 .97, 1.00, 1.25, hip_thickness, foot_thickness);
152 pickup pencircle scaled stemthickness;
153 draw (0, 0) .. (0,-2 interline);
157 fet_beginchar("32nd Flag (up)", "u5", "thirtysecondflag")
159 hip_depth_ratio, hip_width,
160 foot_depth, foot_width_ratio;
161 save flagspace, total_depth, flag_count;
163 total_depth#=4.25 interline#;
164 flare# = .85 interline#;
165 flagspace# = .87 interline#;
166 hip_depth_ratio = .72 ;
167 hip_width# = upflag_width# - hip_thickness#/2;
168 (flag_count-1) * flagspace# + foot_depth# = total_depth#;
170 foot_width_ratio = .8;
172 set_char_box(stemthickness# /2, hip_width#
173 + stemthickness#/2 + right_upflag_space#,
174 total_depth# + foot_thickness#/2, stemthickness#/2)
176 define_pixels(flare, hip_width, hip_thickness,
178 foot_depth, foot_thickness);
180 draw_flag((stemthickness/2,- 2 flagspace), flare,
181 (hip_width, foot_depth),
182 hip_depth_ratio,foot_width_ratio, hip_thickness, foot_thickness);
184 add_flag(flagspace, flare,
185 .97, 1.00, 1.25, hip_thickness, foot_thickness);
187 add_flag(flagspace, flare,
188 .95, 1.05, 1.25, hip_thickness, foot_thickness);
190 pickup pencircle scaled stemthickness;
191 draw (0, 0) .. (0,-2 interline);
194 fet_beginchar("64th Flag (up)", "u6", "sixtyfourthflag")
196 hip_depth_ratio, hip_width,
197 foot_depth, foot_width_ratio;
198 save flagspace, total_depth, flag_count;
201 flare# = .85 interline#;
202 flagspace# = .9 interline#;
203 hip_depth_ratio = .72 ;
204 hip_width# = upflag_width# - hip_thickness#/2;
205 total_depth# = 5.25 interline#;
206 (flag_count-1) * flagspace# + foot_depth# = total_depth#;
208 foot_width_ratio = .8;
210 set_char_box(stemthickness# /2, hip_width#
211 + stemthickness#/2 + right_upflag_space#,
212 total_depth# + foot_thickness#/2, stemthickness#/2)
214 define_pixels(flare, hip_width, hip_thickness,
216 foot_depth, foot_thickness);
218 draw_flag((stemthickness/2,- (flag_count-1)* flagspace), flare,
219 (hip_width, foot_depth),
220 hip_depth_ratio,foot_width_ratio, hip_thickness, foot_thickness);
222 add_flag(flagspace, flare,
223 .97, 1.00, 1.3, hip_thickness, foot_thickness);
225 add_flag(flagspace, flare,
226 1.00, 1.00, 1.25, hip_thickness, foot_thickness);
227 add_flag(flagspace, flare,
228 .95, 1.05, 1.25, hip_thickness, foot_thickness);
229 pickup pencircle scaled stemthickness;
230 draw (0, 0) .. (0,-2 interline);
233 fet_beginchar("grace dash (up)", "ugrace", "gracedash")
235 hip_depth_ratio, hip_width,
238 flare# = 1.0 interline#;
239 hip_depth_ratio = .72;
240 hip_width# = upflag_width# - hip_thickness#/2;
242 foot_depth# = 3 interline#;
244 define_pixels(flare, hip_width, hip_thickness,
245 foot_depth, foot_thickness);
247 set_char_box(hip_width# * hip_depth_ratio,
248 hip_width# + stemthickness#/2 + right_upflag_space#,
249 foot_depth# * hip_depth_ratio, -flare#)
251 pickup pencircle scaled 1.5 stemthickness;
256 fet_beginchar("8th (down)", "d3", "deighthflag")
258 hip_depth_ratio, hip_width,
259 foot_depth, foot_width_ratio;
260 save flagspace, total_depth, flag_count;
263 flare# = .99 interline#;
264 flagspace# = .9 interline#;
265 hip_depth_ratio = .72 ;
266 hip_width# = downflag_width# - hip_thickness#/2;
267 total_depth# = 2.85 interline#;
268 (flag_count-1) * flagspace# + foot_depth# = total_depth#;
270 foot_width_ratio = .8;
272 set_char_box(stemthickness# /2, hip_width#
273 + stemthickness#/2 + right_downflag_space#,
274 total_depth# + foot_thickness#/2, stemthickness#/2)
276 define_pixels(flare, hip_width, hip_thickness,
278 foot_depth, foot_thickness);
280 draw_flag((stemthickness/2,- (flag_count-1) *flagspace), flare,
281 (hip_width, foot_depth),
282 hip_depth_ratio,foot_width_ratio, hip_thickness, foot_thickness);
285 pickup pencircle scaled stemthickness;
286 draw (0, 0) .. (0,-2 interline);
290 fet_beginchar("16th (down)", "d4", "dsixteenthflag")
292 hip_depth_ratio, hip_width,
293 foot_depth, foot_width_ratio;
294 save flagspace, total_depth, flag_count;
297 flare# = .8 interline#;
298 flagspace# = .9 interline#;
299 hip_depth_ratio = .85 ;
300 hip_width# = downflag_width# - hip_thickness#/2;
301 total_depth# = 3.0 interline#;
302 (flag_count-1) * flagspace# + foot_depth# = total_depth#;
304 foot_width_ratio = .95;
306 set_char_box(stemthickness# /2, hip_width#
307 + stemthickness#/2 + right_downflag_space#,
308 total_depth# + foot_thickness#/2, stemthickness#/2)
310 define_pixels(flare, hip_width, hip_thickness,
312 foot_depth, foot_thickness);
314 draw_flag((stemthickness/2,- (flag_count-1) *flagspace), flare,
315 (hip_width, foot_depth),
316 hip_depth_ratio,foot_width_ratio, hip_thickness, foot_thickness);
317 add_flag(flagspace, flare,
318 .95, 1.00, 1.25, hip_thickness, foot_thickness);
322 pickup pencircle scaled stemthickness;
323 draw (0, 0) .. (0,-2 interline);
327 fet_beginchar("32nd (down)", "d5", "dthirtysecondflag")
329 hip_depth_ratio, hip_width,
330 foot_depth, foot_width_ratio;
331 save flagspace, total_depth, flag_count;
334 flare# = .84 interline#;
335 flagspace# = .9 interline#;
336 hip_depth_ratio = .85 ;
337 hip_width# = downflag_width# - hip_thickness#/2;
338 total_depth# = 3.85 interline#;
339 (flag_count-1) * flagspace# + foot_depth# = total_depth#;
341 foot_width_ratio = .95;
343 set_char_box(stemthickness# /2, hip_width#
344 + stemthickness#/2 + right_downflag_space#,
345 total_depth# + foot_thickness#/2, stemthickness#/2)
347 define_pixels(flare, hip_width, hip_thickness,
349 foot_depth, foot_thickness);
351 draw_flag((stemthickness/2,- (flag_count-1) *flagspace), flare,
352 (hip_width, foot_depth),
353 hip_depth_ratio,foot_width_ratio, hip_thickness, foot_thickness);
354 add_flag(flagspace, flare,
355 .97, 1.00, 1.25, hip_thickness, foot_thickness);
357 add_flag(flagspace, flare,
358 .95, 1.05, 1.25, hip_thickness, foot_thickness);
362 pickup pencircle scaled stemthickness;
363 draw (0, 0) .. (0,-2 interline);
366 fet_beginchar("64th (down)", "d6", "dsixtyfourthflag")
368 hip_depth_ratio, hip_width,
369 foot_depth, foot_width_ratio;
370 save flagspace, total_depth, flag_count;
373 flare# = .8 interline#;
374 flagspace# = .9 interline#;
375 hip_depth_ratio = .85 ;
376 hip_width# = downflag_width# - hip_thickness#/2;
377 total_depth# = 4.35 interline#;
378 (flag_count-1) * flagspace# + foot_depth# = total_depth#;
380 foot_width_ratio = .98;
382 set_char_box(stemthickness# /2, hip_width#
383 + stemthickness#/2 + right_downflag_space#,
384 total_depth# + foot_thickness#/2, stemthickness#/2)
386 define_pixels(flare, hip_width, hip_thickness,
388 foot_depth, foot_thickness);
390 draw_flag((stemthickness/2,- (flag_count-1) *flagspace), flare,
391 (hip_width, foot_depth),
392 hip_depth_ratio,foot_width_ratio, hip_thickness, foot_thickness);
393 add_flag(flagspace, flare,
394 .97, 1.20, 1.175, hip_thickness, foot_thickness);
395 add_flag(flagspace, flare,
396 .97, 1.10, 1.175, hip_thickness, foot_thickness);
398 add_flag(.98 flagspace, flare,
399 .91, 1.05, 1.2, hip_thickness, foot_thickness);
403 pickup pencircle scaled stemthickness;
404 draw (0, 0) .. (0,-2 interline);
409 fet_beginchar("grace dash (down)", "dgrace", "dgracedash")
410 save flare, hip_depth_ratio, hip_width, foot_depth;
411 save flagspace, total_depth, flag_count;
414 flare# = .99 interline#;
415 flagspace# = .9 interline#;
416 hip_depth_ratio = .72 ;
417 hip_width# = downflag_width# - hip_thickness#/2;
418 total_depth# = 2.85 interline#;
419 (flag_count-1) * flagspace# + foot_depth# = total_depth#;
421 foot_width_ratio = .8;
423 define_pixels(flare, hip_width, hip_thickness,
424 flagspace, foot_depth);
426 set_char_box(hip_width# * hip_depth_ratio,
427 hip_width# + stemthickness#/2 + right_downflag_space#,
428 foot_depth# * hip_depth_ratio, -flare#)
430 pickup pencircle scaled 1.5 stemthickness;
431 draw (-b, -d) .. (w,h);
435 fet_endgroup("flags");