mf/feta-banier.mf

   1 % flags
   2 %
   3
   4
   5 fet_begingroup("flags")
   6 save outer_path;
   7 path outer_path;
   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;
  12
  13 right_upflag_space# = .2 upflag_width#;
  14 right_downflag_space# = .2 downflag_width#;
  15
  16 %
  17 % Flags pointing down cannot overlap with the notehead in y-direction,
  18 % so they have less slant.
  19
  20 %
  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)
  25 %
  26
  27 save hip_thickness, foot_thickness;
  28 hip_thickness# = 1.3 stemthickness#;
  29 foot_thickness# =  hip_thickness#;
  30
  31 %
  32 % Inspired by Adobe Sonata and [Wanske]
  33 % for example, see POSTSCRIPT Language -- program design,
  34 % page 119, and [Wanske], p 41,42
  35 %
  36 def draw_flag(expr center, flare,
  37         dims, hip_depth, foot_wid, hip_thickness, foot_thickness)=
  38         clearxy;
  39
  40         penpos1(flare, 90);
  41         penpos2(whatever, 0);
  42         x2r - x2l = hip_thickness;
  43         penpos3(foot_thickness, 0) ;
  44
  45         z1r  = center;
  46         z2r = center + (xpart dims, -ypart(dims) * hip_depth);
  47         z3r = center + (xpart(dims) * foot_wid, -ypart dims);
  48
  49         outer_path := z3r{curl 0} .. z2r{up} .. {up}z1r;
  50
  51         penlabels(1, 2, 3);
  52         fill z1l{curl 0}
  53                 ..tension 1.1 .. z2l{down} ..
  54                 {curl 0} simple_serif(z3l, z3r, 80) &
  55                 outer_path & z1r -- cycle;
  56 enddef;
  57
  58 %
  59 % TODO: calc intersectpoint
  60 % TODO: calc incision_depth
  61 %
  62 def add_flag(expr yoff, flare, hip_wid_multiplier,
  63                 hip_dep_multiplier,
  64                 intersectpoint, hip_thickness, foot_thickness) =
  65         begingroup
  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;
  71         pair ip, rel_foot;
  72
  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;
  81
  82         wid = prev_hipwid * hip_wid_multiplier;
  83         hip_dep = prev_hipdep * hip_dep_multiplier;
  84
  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;
  90
  91         draw_flag(center, flare,
  92                 (wid, dep), hip_dep_ratio, foot_wid_ratio,
  93                 hip_thickness, foot_thickness);
  94         endgroup
  95 enddef;
  96
  97 fet_beginchar("8th Flag (up)", "u3", "eighthflag")
  98         save flare,
  99                 hip_depth_ratio, hip_width,
 100                 foot_depth, foot_width_ratio;
 101
 102         flare# = 1.0 interline#;
 103         hip_depth_ratio = .72;
 104         foot_width_ratio = .8;
 105         hip_width# = upflag_width# - hip_thickness#/2;
 106
 107         foot_depth# =  3 interline#;
 108
 109         set_char_box(stemthickness# /2, hip_width#
 110                 + stemthickness#/2 + right_upflag_space#,
 111                  foot_depth# + foot_thickness#/2, stemthickness#/2)
 112
 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);
 118
 119         pickup pencircle scaled stemthickness;
 120         draw (0, 0) .. (0,-2 interline);
 121 fet_endchar;
 122
 123 fet_beginchar("16th Flag (up)", "u4", "sixteenthflag")
 124         save flare,
 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#;
 129         flag_count = 2;
 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#;
 135
 136         foot_width_ratio = .8;
 137
 138         set_char_box(stemthickness# /2, hip_width#
 139                 + stemthickness#/2 + right_upflag_space#,
 140                 total_depth# + foot_thickness#/2, stemthickness#/2)
 141
 142         define_pixels(flare, hip_width, hip_thickness,
 143                 flagspace,
 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);
 148
 149         add_flag(flagspace, flare,
 150                 .97, 1.00, 1.25, hip_thickness, foot_thickness);
 151
 152         pickup pencircle scaled stemthickness;
 153         draw (0, 0) .. (0,-2 interline);
 154 fet_endchar;
 155
 156
 157 fet_beginchar("32nd Flag (up)", "u5", "thirtysecondflag")
 158         save flare,
 159                 hip_depth_ratio, hip_width,
 160                 foot_depth, foot_width_ratio;
 161         save flagspace, total_depth, flag_count;
 162         flag_count = 3;
 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#;
 169
 170         foot_width_ratio = .8;
 171
 172         set_char_box(stemthickness# /2, hip_width#
 173                 + stemthickness#/2 + right_upflag_space#,
 174                 total_depth# + foot_thickness#/2, stemthickness#/2)
 175
 176         define_pixels(flare, hip_width, hip_thickness,
 177                 flagspace,
 178                 foot_depth,  foot_thickness);
 179
 180         draw_flag((stemthickness/2,- 2 flagspace), flare,
 181                 (hip_width, foot_depth),
 182                 hip_depth_ratio,foot_width_ratio, hip_thickness, foot_thickness);
 183
 184         add_flag(flagspace, flare,
 185                 .97, 1.00, 1.25, hip_thickness, foot_thickness);
 186
 187         add_flag(flagspace, flare,
 188                 .95, 1.05, 1.25, hip_thickness, foot_thickness);
 189
 190         pickup pencircle scaled stemthickness;
 191         draw (0, 0) .. (0,-2 interline);
 192 fet_endchar;
 193
 194 fet_beginchar("64th Flag (up)", "u6", "sixtyfourthflag")
 195         save flare,
 196                 hip_depth_ratio, hip_width,
 197                 foot_depth, foot_width_ratio;
 198         save flagspace, total_depth, flag_count;
 199
 200         flag_count = 4;
 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#;
 207
 208         foot_width_ratio = .8;
 209
 210         set_char_box(stemthickness# /2, hip_width#
 211                 + stemthickness#/2 + right_upflag_space#,
 212                 total_depth# + foot_thickness#/2, stemthickness#/2)
 213
 214         define_pixels(flare, hip_width, hip_thickness,
 215                 flagspace,
 216                 foot_depth,  foot_thickness);
 217
 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);
 221
 222         add_flag(flagspace, flare,
 223                 .97, 1.00, 1.3, hip_thickness, foot_thickness);
 224
 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);
 231 fet_endchar;
 232
 233 fet_beginchar("grace 8th Flag (up)", "u3grace", "graceeighthflag")
 234         save flare,
 235                 hip_depth_ratio, hip_width,
 236                 foot_depth, foot_width_ratio;
 237
 238         flare# = 1.0 interline#;
 239         hip_depth_ratio = .72;
 240         foot_width_ratio = .8;
 241         hip_width# = upflag_width# - hip_thickness#/2;
 242
 243         foot_depth# =  3 interline#;
 244
 245         set_char_box(hip_width# * hip_depth_ratio,
 246           hip_width# + stemthickness#/2 + right_upflag_space#,
 247           foot_depth# + foot_thickness#/2, stemthickness#/2)
 248
 249         define_pixels(flare, hip_width, hip_thickness,
 250                 foot_depth, foot_thickness);
 251         draw_flag((stemthickness/2,0), flare,
 252                 (hip_width, foot_depth),
 253                 hip_depth_ratio, foot_width_ratio, hip_thickness, foot_thickness);
 254
 255         pickup pencircle scaled 1.5 stemthickness;
 256         draw (0, 0) .. (0,-2 interline);
 257         draw (-b ,-foot_depth * hip_depth_ratio) ..
 258           (w, -flare);
 259 fet_endchar;
 260
 261 fet_beginchar("8th (down)", "d3", "deighthflag")
 262         save flare,
 263                 hip_depth_ratio, hip_width,
 264                 foot_depth, foot_width_ratio;
 265         save flagspace, total_depth, flag_count;
 266
 267         flag_count = 1;
 268         flare# = .99 interline#;
 269         flagspace# = .9 interline#;
 270         hip_depth_ratio = .72 ;
 271         hip_width# = downflag_width# - hip_thickness#/2;
 272         total_depth# = 2.85 interline#;
 273         (flag_count-1) * flagspace# + foot_depth# = total_depth#;
 274
 275         foot_width_ratio = .8;
 276
 277         set_char_box(stemthickness# /2, hip_width#
 278                 + stemthickness#/2 + right_downflag_space#,
 279                 total_depth# + foot_thickness#/2, stemthickness#/2)
 280
 281         define_pixels(flare, hip_width, hip_thickness,
 282                 flagspace,
 283                 foot_depth,  foot_thickness);
 284
 285         draw_flag((stemthickness/2,- (flag_count-1) *flagspace), flare,
 286                 (hip_width, foot_depth),
 287                 hip_depth_ratio,foot_width_ratio, hip_thickness, foot_thickness);
 288
 289
 290         pickup pencircle scaled stemthickness;
 291         draw (0, 0) .. (0,-2 interline);
 292         y_mirror_char;
 293 fet_endchar;
 294
 295 fet_beginchar("16th (down)", "d4", "dsixteenthflag")
 296         save flare,
 297                 hip_depth_ratio, hip_width,
 298                 foot_depth, foot_width_ratio;
 299         save flagspace, total_depth, flag_count;
 300
 301         flag_count = 2;
 302         flare# = .8 interline#;
 303         flagspace# = .9 interline#;
 304         hip_depth_ratio = .85 ;
 305         hip_width# = downflag_width# - hip_thickness#/2;
 306         total_depth# = 3.0 interline#;
 307         (flag_count-1) * flagspace# + foot_depth# = total_depth#;
 308
 309         foot_width_ratio = .95;
 310
 311         set_char_box(stemthickness# /2, hip_width#
 312                 + stemthickness#/2 + right_downflag_space#,
 313                 total_depth# + foot_thickness#/2, stemthickness#/2)
 314
 315         define_pixels(flare, hip_width, hip_thickness,
 316                 flagspace,
 317                 foot_depth,  foot_thickness);
 318
 319         draw_flag((stemthickness/2,- (flag_count-1) *flagspace), flare,
 320                 (hip_width, foot_depth),
 321                 hip_depth_ratio,foot_width_ratio, hip_thickness, foot_thickness);
 322         add_flag(flagspace, flare,
 323                 .95, 1.00, 1.25, hip_thickness, foot_thickness);
 324
 325
 326
 327         pickup pencircle scaled stemthickness;
 328         draw (0, 0) .. (0,-2 interline);
 329         y_mirror_char;
 330 fet_endchar;
 331
 332 fet_beginchar("32nd (down)", "d5", "dthirtysecondflag")
 333         save flare,
 334                 hip_depth_ratio, hip_width,
 335                 foot_depth, foot_width_ratio;
 336         save flagspace, total_depth, flag_count;
 337
 338         flag_count = 3;
 339         flare# = .84 interline#;
 340         flagspace# = .9 interline#;
 341         hip_depth_ratio = .85 ;
 342         hip_width# = downflag_width# - hip_thickness#/2;
 343         total_depth# = 3.85 interline#;
 344         (flag_count-1) * flagspace# + foot_depth# = total_depth#;
 345
 346         foot_width_ratio = .95;
 347
 348         set_char_box(stemthickness# /2, hip_width#
 349                 + stemthickness#/2 + right_downflag_space#,
 350                 total_depth# + foot_thickness#/2, stemthickness#/2)
 351
 352         define_pixels(flare, hip_width, hip_thickness,
 353                 flagspace,
 354                 foot_depth,  foot_thickness);
 355
 356         draw_flag((stemthickness/2,- (flag_count-1) *flagspace), flare,
 357                 (hip_width, foot_depth),
 358                 hip_depth_ratio,foot_width_ratio, hip_thickness, foot_thickness);
 359         add_flag(flagspace, flare,
 360                 .97, 1.00, 1.25, hip_thickness, foot_thickness);
 361
 362         add_flag(flagspace, flare,
 363                 .95, 1.05, 1.25, hip_thickness, foot_thickness);
 364
 365
 366
 367         pickup pencircle scaled stemthickness;
 368         draw (0, 0) .. (0,-2 interline);
 369         y_mirror_char;
 370 fet_endchar;
 371 fet_beginchar("64th (down)", "d6", "dsixtyfourthflag")
 372         save flare,
 373                 hip_depth_ratio, hip_width,
 374                 foot_depth, foot_width_ratio;
 375         save flagspace, total_depth, flag_count;
 376
 377         flag_count = 4;
 378         flare# = .8 interline#;
 379         flagspace# = .9 interline#;
 380         hip_depth_ratio = .85 ;
 381         hip_width# = downflag_width# - hip_thickness#/2;
 382         total_depth# = 4.35 interline#;
 383         (flag_count-1) * flagspace# + foot_depth# = total_depth#;
 384
 385         foot_width_ratio = .98;
 386
 387         set_char_box(stemthickness# /2, hip_width#
 388                 + stemthickness#/2 + right_downflag_space#,
 389                 total_depth# + foot_thickness#/2, stemthickness#/2)
 390
 391         define_pixels(flare, hip_width, hip_thickness,
 392                 flagspace,
 393                 foot_depth,  foot_thickness);
 394
 395         draw_flag((stemthickness/2,- (flag_count-1) *flagspace), flare,
 396                 (hip_width, foot_depth),
 397                 hip_depth_ratio,foot_width_ratio, hip_thickness, foot_thickness);
 398         add_flag(flagspace, flare,
 399                 .97, 1.20, 1.175, hip_thickness, foot_thickness);
 400         add_flag(flagspace, flare,
 401                 .97, 1.10, 1.175, hip_thickness, foot_thickness);
 402
 403         add_flag(.98 flagspace, flare,
 404                 .91, 1.05, 1.2, hip_thickness, foot_thickness);
 405
 406
 407
 408         pickup pencircle scaled stemthickness;
 409         draw (0, 0) .. (0,-2 interline);
 410         y_mirror_char;
 411 fet_endchar;
 412
 413
 414 fet_beginchar("grace 8th (down)", "d3grace", "dgraceeighthflag")
 415         save flare,
 416                 hip_depth_ratio, hip_width,
 417                 foot_depth, foot_width_ratio;
 418         save flagspace, total_depth, flag_count;
 419
 420         flag_count = 1;
 421         flare# = .99 interline#;
 422         flagspace# = .9 interline#;
 423         hip_depth_ratio = .72 ;
 424         hip_width# = downflag_width# - hip_thickness#/2;
 425         total_depth# = 2.85 interline#;
 426         (flag_count-1) * flagspace# + foot_depth# = total_depth#;
 427
 428         foot_width_ratio = .8;
 429
 430         set_char_box(hip_width# * hip_depth_ratio,
 431           hip_width# + stemthickness#/2 + right_downflag_space#,
 432           total_depth# + foot_thickness#/2, stemthickness#/2)
 433
 434         define_pixels(flare, hip_width, hip_thickness,
 435                 flagspace,
 436                 foot_depth,  foot_thickness);
 437
 438         draw_flag((stemthickness/2,- (flag_count-1) *flagspace), flare,
 439                 (hip_width, foot_depth),
 440                 hip_depth_ratio,foot_width_ratio, hip_thickness, foot_thickness);
 441
 442
 443         pickup pencircle scaled 1.5 stemthickness;
 444         draw (0, 0) .. (0,-2 interline);
 445         draw (-b, -foot_depth * hip_depth_ratio) .. (w,-flare);
 446         y_mirror_char;
 447 fet_endchar;
 448
 449 fet_endgroup("flags");