mf/feta-banier.mf

   1 % flags
   2 %
   3
   4
   5 fet_begingroup("flags")
   6 save outer_path;
   7 path outer_path;
   8
   9 % Flags pointing down overlap with  the notehead (in x-direction), so
  10 % the down-flag can be bigger
  11 upflag_width# = .650 black_notehead_width# + stemthickness#/2;
  12 downflag_width# = .833 black_notehead_width# + stemthickness#/2;
  13
  14 right_upflag_space# = .0 upflag_width#;
  15 right_downflag_space# = .0 downflag_width#;
  16
  17 %
  18 % Flags pointing down cannot overlap with the notehead in y-direction,
  19 % so they have less slant.
  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
  24 % an extension flag, which looks less elegant)
  25 %
  26
  27 save hip_thickness, foot_thickness;
  28
  29 hip_thickness# = 1.0 linethickness# + 0.069 staff_space#;
  30 foot_thickness# =   1.2055 linethickness# + 0.06 staff_space#;
  31
  32 %
  33 % Inspired by Adobe Sonata and [Wanske]
  34 % for example, see POSTSCRIPT Language -- program design,
  35 % page 119, and [Wanske], p 41,42
  36 %
  37 def draw_flag(expr center, flare,
  38         dims, hip_depth, foot_wid, hip_thickness, foot_thickness)=
  39         clearxy;
  40         save c ;
  41         c = 0.7;
  42         penpos1(flare, 90);
  43         penpos2(whatever, 0);
  44         x2r - x2l = hip_thickness;
  45         penpos3 (foot_thickness, -20.0);
  46
  47         z1r  = center;
  48         z2r = center + (xpart dims, -ypart(dims) * hip_depth);
  49         z3r = center + (xpart(dims) * foot_wid, -ypart dims);
  50
  51         outer_path := z3r{curl c} .. z2r{up} .. {up}z1r;
  52
  53         penlabels(1, 2, 3);
  54         fill z1l{curl 0}
  55                 ..tension 1.1 .. z2l{down} ..
  56                 {curl c} simple_serif(z3l, z3r, 80) &
  57                 outer_path & z1r -- cycle;
  58 enddef;
  59
  60 %
  61 % TODO: calc intersectpoint (see TeX book, p. 137)
  62 % TODO: calc incision_depth
  63 %
  64
  65 def add_flag(expr yoff, flare, hip_wid_multiplier,
  66                 hip_dep_multiplier,
  67                 intersectpoint, hip_thickness, foot_thickness) =
  68         begingroup
  69         save prev_center, prev_xextreme, prev_yextreme;
  70         save rel_foot, ip, center, incision_depth;
  71         save prev_hipwid, prev_footdep, prev_hipdep, wid, dep, hip_dep;
  72         save hip_dep_ratio, foot_wid_ratio;
  73         pair prev_center, center, foot, prev_xextreme, prev_yextreme;
  74         pair ip, rel_foot;
  75
  76         incision_depth = 1.013;
  77         prev_center = point 2 of outer_path;
  78         prev_xextreme = point 1 of outer_path;
  79         prev_yextreme = point 0 of outer_path;
  80         prev_hipwid = xpart (prev_xextreme - prev_center);
  81         prev_footdep = -ypart (prev_yextreme - prev_center);
  82         prev_hipdep = -ypart(prev_xextreme - prev_center);
  83         ip = point intersectpoint of outer_path;
  84
  85         wid = prev_hipwid * hip_wid_multiplier;
  86         hip_dep = prev_hipdep * hip_dep_multiplier;
  87
  88         center = prev_center + (0,yoff);
  89         rel_foot = incision_depth [(wid, hip_dep), ip - center];
  90         dep = -ypart(rel_foot);
  91         foot_wid_ratio = xpart(rel_foot ) / wid;
  92         hip_dep_ratio = hip_dep / dep;
  93
  94         draw_flag(center, flare,
  95                 (wid, dep), hip_dep_ratio, foot_wid_ratio,
  96                 hip_thickness, foot_thickness);
  97         endgroup
  98 enddef;
  99
 100 fet_beginchar("8th Flag (up)", "u3")
 101         save flare,
 102                 hip_depth_ratio, hip_width,
 103                 foot_depth, foot_width_ratio;
 104
 105         flare# = 1.0 staff_space#;
 106         hip_depth_ratio = .72;
 107         foot_width_ratio = .8;
 108         hip_width# = upflag_width# - hip_thickness#/2;
 109
 110         foot_depth# =  3 staff_space# - blot_diameter#/2;
 111
 112         set_char_box(0, hip_width#
 113                 + stemthickness#/2 + right_upflag_space#,
 114                  foot_depth# + foot_thickness#/2, stemthickness#/2)
 115
 116         define_pixels(flare, hip_width, hip_thickness,
 117                 foot_depth, foot_thickness);
 118         draw_flag((0,0), flare,
 119                 (hip_width, foot_depth),
 120                 hip_depth_ratio, foot_width_ratio, hip_thickness, foot_thickness);
 121
 122         draw_square_block ((-.5 stemthickness,-1 staff_space),
 123                            (0, 0));
 124 fet_endchar;
 125
 126 fet_beginchar("16th Flag (up)", "u4")
 127         save flare,
 128                 hip_depth_ratio, hip_width,
 129                 foot_depth, foot_width_ratio;
 130         save flagspace, total_depth, flag_count;
 131         total_depth# = 3.5 staff_space# - blot_diameter# /2 ;
 132         flag_count = 2;
 133         flare# = .85 staff_space#;
 134         flagspace# = .85 staff_space#;
 135         hip_depth_ratio = .72 ;
 136         hip_width# = upflag_width# - hip_thickness#/2;
 137         flagspace# + foot_depth# = total_depth#;
 138
 139         foot_width_ratio = .8;
 140
 141         set_char_box(0, hip_width#
 142                 + stemthickness#/2 + right_upflag_space#,
 143                 total_depth# + foot_thickness#/2, stemthickness#/2)
 144
 145         define_pixels(flare, hip_width, hip_thickness,
 146                 flagspace,
 147                 foot_depth,  foot_thickness);
 148         draw_flag((0, - flagspace ), flare,
 149                 (hip_width, foot_depth),
 150                 hip_depth_ratio,foot_width_ratio, hip_thickness, foot_thickness);
 151
 152         add_flag(flagspace, flare,
 153                 .97, 1.00, 1.25, hip_thickness, foot_thickness);
 154
 155         pickup pencircle scaled stemthickness;
 156
 157         draw_square_block ((-.5 stemthickness,0),
 158                            (0, -2 staff_space));
 159 fet_endchar;
 160
 161
 162 fet_beginchar("32nd Flag (up)", "u5")
 163         save flare,
 164                 hip_depth_ratio, hip_width,
 165                 foot_depth, foot_width_ratio;
 166         save flagspace, total_depth, flag_count;
 167         flag_count = 3;
 168         total_depth#=4.25 staff_space#;
 169         flare# = .85 staff_space#;
 170         flagspace# = .87 staff_space#;
 171         hip_depth_ratio = .72 ;
 172         hip_width# = upflag_width# - hip_thickness#/2;
 173         (flag_count-1) * flagspace# + foot_depth# = total_depth#;
 174
 175         foot_width_ratio = .8;
 176
 177         set_char_box(0, hip_width#
 178                 +  right_upflag_space#,
 179                 total_depth# + foot_thickness#/2, stemthickness#/2)
 180
 181         define_pixels(flare, hip_width, hip_thickness,
 182                 flagspace,
 183                 foot_depth,  foot_thickness);
 184
 185         draw_flag((0,- 2 flagspace), flare,
 186                 (hip_width, foot_depth),
 187                 hip_depth_ratio,foot_width_ratio, hip_thickness, foot_thickness);
 188
 189         add_flag(flagspace, flare,
 190                 .97, 1.00, 1.25, hip_thickness, foot_thickness);
 191
 192         add_flag(flagspace, flare,
 193                 .95, 1.05, 1.25, hip_thickness, foot_thickness);
 194
 195
 196
 197         draw_square_block ((-.5 stemthickness,0),
 198                            (0, -3 staff_space));
 199 fet_endchar;
 200
 201 fet_beginchar("64th Flag (up)", "u6")
 202         save flare,
 203                 hip_depth_ratio, hip_width,
 204                 foot_depth, foot_width_ratio;
 205         save flagspace, total_depth, flag_count;
 206
 207         flag_count = 4;
 208         flare# = .85 staff_space#;
 209         flagspace# = .9 staff_space#;
 210         hip_depth_ratio = .72 ;
 211         hip_width# = upflag_width# - hip_thickness#/2;
 212         total_depth# = 5.25 staff_space#;
 213         (flag_count-1) * flagspace# + foot_depth# = total_depth#;
 214
 215         foot_width_ratio = .8;
 216
 217         set_char_box(0, hip_width#
 218                 +  right_upflag_space#,
 219                 total_depth# + foot_thickness#/2, stemthickness#/2)
 220
 221         define_pixels(flare, hip_width, hip_thickness,
 222                 flagspace,
 223                 foot_depth,  foot_thickness);
 224
 225         draw_flag((0,- (flag_count-1)* flagspace), flare,
 226                 (hip_width, foot_depth),
 227                 hip_depth_ratio,foot_width_ratio, hip_thickness, foot_thickness);
 228
 229         add_flag(flagspace, flare,
 230                 .97, 1.00, 1.3, hip_thickness, foot_thickness);
 231
 232         add_flag(flagspace, flare,
 233                 1.00, 1.00, 1.25, hip_thickness, foot_thickness);
 234         add_flag(flagspace, flare,
 235                 .95, 1.05, 1.25, hip_thickness, foot_thickness);
 236
 237         draw_square_block ((-.5 stemthickness,0),
 238                            (0, -4 staff_space));
 239 fet_endchar;
 240
 241 fet_beginchar("8th (down)", "d3")
 242         save flare,
 243                 hip_depth_ratio, hip_width,
 244                 foot_depth, foot_width_ratio;
 245         save flagspace, total_depth, flag_count;
 246
 247         flag_count = 1;
 248         flare# = .99 staff_space#;
 249         flagspace# = .9 staff_space#;
 250         hip_depth_ratio = .72 ;
 251         hip_width# = downflag_width# - hip_thickness#/2;
 252         total_depth# = 2.85 staff_space#;
 253         (flag_count-1) * flagspace# + foot_depth# = total_depth#;
 254
 255         foot_width_ratio = .8;
 256
 257         set_char_box(0, hip_width#
 258                 +  right_downflag_space#,
 259                 total_depth# + foot_thickness#/2, stemthickness#/2)
 260
 261         define_pixels(flare, hip_width, hip_thickness,
 262                 flagspace,
 263                 foot_depth,  foot_thickness);
 264
 265         draw_flag((0,- (flag_count-1) *flagspace), flare,
 266                 (hip_width, foot_depth),
 267                 hip_depth_ratio,foot_width_ratio, hip_thickness, foot_thickness);
 268         draw_square_block ((-.5 stemthickness,0),
 269                            (0, - staff_space));
 270
 271         y_mirror_char;
 272 fet_endchar;
 273
 274 %%%%%%%%
 275 %
 276 %
 277 %
 278 % Single Stroke for Short Appogiatura
 279 %
 280 %
 281 %
 282
 283 fet_beginchar("grace dash (up)", "ugrace")
 284         save flare,
 285                 hip_depth_ratio, hip_width,
 286                 foot_depth;
 287
 288         flare# = 1.0 staff_space#;
 289         hip_depth_ratio = .72;
 290         hip_width# = upflag_width# - hip_thickness#/2;
 291
 292         foot_depth# =  3 staff_space#;
 293
 294         define_pixels(flare, hip_width, hip_thickness,
 295                 foot_depth, foot_thickness);
 296
 297         set_char_box(hip_width# * hip_depth_ratio,
 298           hip_width# +  right_upflag_space#,
 299           foot_depth# * hip_depth_ratio, -flare#)
 300
 301         pickup pencircle scaled 1.5 stemthickness;
 302         draw (-b ,-d) ..
 303           (w, h);
 304
 305 fet_endchar;
 306
 307 fet_beginchar("grace dash (down)", "dgrace")
 308         save flare, hip_depth_ratio, hip_width, foot_depth;
 309         save flagspace, total_depth, flag_count;
 310
 311         flag_count = 1;
 312         flare# = .99 staff_space#;
 313         flagspace# = .9 staff_space#;
 314         hip_depth_ratio = .72 ;
 315         hip_width# = downflag_width# - hip_thickness#/2;
 316         total_depth# = 2.85 staff_space#;
 317         (flag_count-1) * flagspace# + foot_depth# = total_depth#;
 318
 319         foot_width_ratio = .8;
 320
 321         define_pixels(flare, hip_width, hip_thickness,
 322                 flagspace, foot_depth);
 323
 324         set_char_box(hip_width# * hip_depth_ratio,
 325           hip_width# +  right_downflag_space#,
 326           foot_depth# * hip_depth_ratio, -flare#)
 327
 328         pickup pencircle scaled 1.5 stemthickness;
 329         draw (-b ,-d) ..
 330           (w, h);
 331         y_mirror_char;
 332 fet_endchar;
 333
 334 fet_beginchar("16th (down)", "d4")
 335         save flare,
 336                 hip_depth_ratio, hip_width,
 337                 foot_depth, foot_width_ratio;
 338         save flagspace, total_depth, flag_count;
 339
 340         flag_count = 2;
 341         flare# = .8 staff_space#;
 342         flagspace# = .9 staff_space#;
 343         hip_depth_ratio = .85 ;
 344         hip_width# = downflag_width# - hip_thickness#/2;
 345         total_depth# = 3.0 staff_space# - blot_diameter# /2;
 346         (flag_count-1) * flagspace# + foot_depth# = total_depth#;
 347
 348         foot_width_ratio = .95;
 349
 350         set_char_box(0, hip_width#
 351                 +  right_downflag_space#,
 352                 total_depth# + foot_thickness#/2, stemthickness#/2)
 353
 354         define_pixels(flare, hip_width, hip_thickness,
 355                 flagspace,
 356                 foot_depth,  foot_thickness);
 357
 358         draw_flag((0,- (flag_count-1) *flagspace), flare,
 359                 (hip_width, foot_depth),
 360                 hip_depth_ratio,foot_width_ratio, hip_thickness, foot_thickness);
 361         add_flag(flagspace, flare,
 362                 .95, 1.00, 1.25, hip_thickness, foot_thickness);
 363
 364
 365         draw_square_block ((-.5 stemthickness,0),
 366                            (0, - 2 staff_space));
 367
 368
 369         y_mirror_char;
 370 fet_endchar;
 371
 372 fet_beginchar("32nd (down)", "d5")
 373         save flare,
 374                 hip_depth_ratio, hip_width,
 375                 foot_depth, foot_width_ratio;
 376         save flagspace, total_depth, flag_count;
 377
 378         flag_count = 3;
 379         flare# = .84 staff_space#;
 380         flagspace# = .9 staff_space#;
 381         hip_depth_ratio = .85 ;
 382         hip_width# = downflag_width# - hip_thickness#/2;
 383         total_depth# = 3.85 staff_space#;
 384         (flag_count-1) * flagspace# + foot_depth# = total_depth#;
 385
 386         foot_width_ratio = .95;
 387
 388         set_char_box(0, hip_width#
 389                 +  right_downflag_space#,
 390                 total_depth# + foot_thickness#/2, stemthickness#/2)
 391
 392         define_pixels(flare, hip_width, hip_thickness,
 393                 flagspace,
 394                 foot_depth,  foot_thickness);
 395
 396         draw_flag((0,- (flag_count-1) *flagspace), flare,
 397                 (hip_width, foot_depth),
 398                 hip_depth_ratio,foot_width_ratio, hip_thickness, foot_thickness);
 399         add_flag(flagspace, flare,
 400                 .97, 1.00, 1.25, hip_thickness, foot_thickness);
 401
 402         add_flag(flagspace, flare,
 403                 .95, 1.05, 1.25, hip_thickness, foot_thickness);
 404         draw_square_block ((-.5 stemthickness,0),
 405                            (0, - 3 staff_space));
 406
 407
 408         y_mirror_char;
 409 fet_endchar;
 410 fet_beginchar("64th (down)", "d6")
 411         save flare,
 412                 hip_depth_ratio, hip_width,
 413                 foot_depth, foot_width_ratio;
 414         save flagspace, total_depth, flag_count;
 415
 416         flag_count = 4;
 417         flare# = .8 staff_space#;
 418         flagspace# = .9 staff_space#;
 419         hip_depth_ratio = .85 ;
 420         hip_width# = downflag_width# - hip_thickness#/2;
 421         total_depth# = 4.35 staff_space#;
 422         (flag_count-1) * flagspace# + foot_depth# = total_depth#;
 423
 424         foot_width_ratio = .98;
 425
 426         set_char_box(0, hip_width#
 427                 + right_downflag_space#,
 428                 total_depth# + foot_thickness#/2, stemthickness#/2)
 429
 430         define_pixels(flare, hip_width, hip_thickness,
 431                 flagspace,
 432                 foot_depth,  foot_thickness);
 433
 434         draw_flag((0,- (flag_count-1) *flagspace), flare,
 435                 (hip_width, foot_depth),
 436                 hip_depth_ratio,foot_width_ratio, hip_thickness, foot_thickness);
 437         add_flag(flagspace, flare,
 438                 .97, 1.20, 1.175, hip_thickness, foot_thickness);
 439         add_flag(flagspace, flare,
 440                 .97, 1.10, 1.175, hip_thickness, foot_thickness);
 441
 442         add_flag(.98 flagspace, flare,
 443                 .91, 1.05, 1.2, hip_thickness, foot_thickness);
 444
 445         draw_square_block ((-.5 stemthickness,0),
 446                            (0, - 4 staff_space));
 447
 448         y_mirror_char;
 449 fet_endchar;
 450
 451
 452
 453 fet_endgroup("flags");