1 /* Copyright (c) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2005 by Arkkra Enterprises */
2 /* All rights reserved */
6 * Description: This file contains functions for handling "stuff".
13 /* for STUFF, apply appropriate staffscale, based on "all" */
14 #define STUFFSTEP(stuff_p) ((stuff_p)->all == YES ? \
15 Score.staffscale * STEPSIZE : stepsize);
17 static void normalizestuff P((void));
18 static void movestuff P((struct STAFF *staff1_p, struct STAFF *staff2_p,
19 struct STUFF *stuff_p));
20 static void setphrases P((void));
21 static void phrasestuff P((struct MAINLL *msbeg_p, struct STUFF *stuff_p));
22 static void set1phrase P((struct MAINLL *msbeg_p, struct STUFF *stuff_p,
24 static void rmstuff P((struct STAFF *staff_p, struct STUFF *stuff_p));
25 static void breakstuff P((void));
26 static struct STUFF *prevstuff P((struct MAINLL *mainll_p,
27 struct STUFF *stuff_p));
28 static void breakone P((struct MAINLL *m2_p, struct STUFF *stuff_p,
29 int timenum, char *origstr_p, int depth));
30 static void contpedal P((void));
31 static void setstuff P((void));
32 static double count2coord P((double count, struct BAR *bar_p,
33 struct CHHEAD *chhead_p, int timeden));
34 static int geteast P((struct STUFF *stuff_p, struct MAINLL *m2_p,
35 short *timeden2_p, struct CHHEAD **chhead2_p_p,
36 struct BAR **bar2_p_p));
37 static int setmrferm P((struct STAFF *staff_p, struct STUFF *stuff_p));
38 static int trygrid P((struct MAINLL *mainll_p, struct STUFF *stuff_p));
39 static void tieslurstuff P((void));
40 static void mktieslurstuff P((struct MAINLL *mllstaff_p, struct GRPSYL *gs_p,
42 static void mkextrastuff P((struct MAINLL *mll_p, struct STUFF *origstuff_p,
43 struct GRPSYL *gs_p, int n, int s, int stufftype));
48 * Abstract: Perform all necessary horizontal operations on STUFF.
52 * Description: This function calls subroutines to do all necessary horizontal
53 * operations on STUFF.
69 * Name: normalizestuff()
71 * Abstract: Normalize STUFF starting at count N + 1 before a FEED.
75 * Description: This function looks for all STUFF structures that start at
76 * count N + 1 (where N is the numerator of the time signature)
77 * in measures preceding a score feed. These things really
78 * should be drawn at the start of the next score, so this
79 * function moves them to be at count 0 of the next measure.
80 * However, if the staff involved is invisible on the next score,
81 * it doesn't move the STUFF. Also, fermatas and the pedal marks
82 * PEDAL and ENDPED are not moved.
83 * Only start.count is used; the policy is to apply start.steps
84 * only after everything else is done.
90 struct MAINLL *mainll_p; /* point along main linked list */
91 struct MAINLL *m2_p, *m3_p; /* secondary & tertiary MLL pointers */
92 struct STUFF *stuff_p; /* point at a STUFF structure */
93 struct STUFF *next_p; /* point at the next STUFF structure */
96 debug(16, "normalizestuff");
100 * Loop through the main linked list, looking for BARs that immediately
101 * precede a FEED. When found, adjust the start count of STUFFs in the
102 * preceding measure if necessary.
104 for (mainll_p = Mainllhc_p; mainll_p != 0; mainll_p = mainll_p->next) {
106 switch (mainll_p->str) {
108 /* keep SSVs up to date; we need to know time sig */
109 asgnssv(mainll_p->u.ssv_p);
113 /* break out to handle this BAR */
117 /* nothing to do, skip to next loop */
122 * Find out if this is a bar that immediately precedes a FEED.
123 * If not, there is no need to adjust any stuff, so continue.
125 for (m2_p = mainll_p; m2_p != 0 && m2_p->str != S_FEED &&
126 m2_p->str != S_CHHEAD; m2_p = m2_p->next)
128 if (m2_p == 0 || m2_p->str == S_CHHEAD)
132 * This bar immediately precedes a FEED. Make sure the number
133 * of staffs doesn't change across this FEED. (And if what
134 * follows are blocks, continue looking until we find a FEED
135 * that is not a block.) If it does, don't move any STUFF.
137 for (m2_p = mainll_p; m2_p->next != 0; m2_p = m2_p->next) {
138 /* break out if a FEED that is not followed by block */
139 if (m2_p->str == S_FEED &&
140 m2_p->next->str != S_BLOCKHEAD)
142 /* break out if SSV changes number of staffs */
143 if (m2_p->str == S_SSV &&
144 m2_p->u.ssv_p->used[NUMSTAFF] == YES)
147 /* if at end of list or staffs changed, don't move stuff */
148 if (m2_p->next == 0 || m2_p->str == S_SSV)
152 * Search back to the CHHEAD of the preceding measure.
154 for (m2_p = mainll_p; m2_p->str != S_CHHEAD; m2_p = m2_p->prev)
158 * Loop through all the staffs in this preceding measure,
159 * adjusting STUFF when need be.
161 for (m2_p = m2_p->next; m2_p->str == S_STAFF;
164 if (m2_p->u.staff_p->visible == NO)
168 * Find the matching STAFF in the next measure. If we
169 * can't find it (like end of MLL) or it's not visible,
172 for (m3_p = mainll_p->next; m3_p != 0 &&
173 m3_p->str != S_BAR; m3_p = m3_p->next) {
174 if (m3_p->str == S_STAFF &&
175 m3_p->u.staff_p->staffno ==
176 m2_p->u.staff_p->staffno)
179 if (m3_p == 0 || m3_p->str != S_STAFF ||
180 m3_p->u.staff_p->visible == NO)
184 * Loop through all the stuff on this staff in the
185 * preceding measure, normalizing it. That is, if it
186 * starts at count N + 1 (where N is the numerator of
187 * the time signature), change it to start at count 0
188 * of the next bar line. However, don't move fermatas
189 * or pedal "bounce" or "ending" marks.
191 for (stuff_p = m2_p->u.staff_p->stuff_p;
192 stuff_p != 0; stuff_p = next_p) {
194 * Remember next one in case we have to move
195 * this one to the next measure's linked list.
197 next_p = stuff_p->next;
199 if (stuff_p->start.count == Score.timenum + 1 &&
200 string_is_sym(stuff_p->string, C_PEDAL, FONT_MUSIC) == NO &&
201 string_is_sym(stuff_p->string, C_ENDPED, FONT_MUSIC) == NO &&
202 string_is_sym(stuff_p->string, C_FERM, FONT_MUSIC) == NO &&
203 string_is_sym(stuff_p->string, C_UFERM, FONT_MUSIC) == NO) {
205 * Move this stuff from preceding to
206 * following measure's linked list.
208 movestuff(m2_p->u.staff_p,
209 m3_p->u.staff_p, stuff_p);
211 * Set start count to 0. If there is a
212 * "til" clause, bars would have to be
213 * greater than 0, since count can't
214 * refer to a count in this measure
215 * (can't be greater than N + 1). So
216 * we only need to check bars to see if
217 * there's a "til" clause. If there
220 stuff_p->start.count = 0;
221 if (stuff_p->end.bars > 0)
232 * Abstract: Move a STUFF from one linked list to another.
236 * Description: This function, given two staff pointers, finds the given STUFF
237 * in the first one's linked list of STUFF. It removes it from
238 * there and adds it to the start of the second staff's list.
242 movestuff(staff1_p, staff2_p, stuff_p)
244 struct STAFF *staff1_p; /* first STAFF */
245 struct STAFF *staff2_p; /* second STAFF */
246 struct STUFF *stuff_p; /* the STUFF to be moved */
249 struct STUFF *s_p; /* loop pointer */
252 debug(32, "movestuff file=%s line=%d", stuff_p->inputfile,
253 stuff_p->inputlineno);
254 if (staff1_p->stuff_p == stuff_p) {
256 * This STUFF is the first one in the first STAFF's linked
257 * list. Change the headcell to point at the next one (which
258 * removes it from this list). This "next one" could be null.
260 staff1_p->stuff_p = stuff_p->next;
263 * Find which STUFF in the first STAFF's list points at the one
264 * we want to move. Make it point at the following one.
266 for (s_p = staff1_p->stuff_p; s_p->next != stuff_p;
269 s_p->next = stuff_p->next;
273 * Make the STUFF we are moving point at what used to be the first
274 * one in the second STAFF's linked list. Make the second STAFF's
275 * headcell point at the STUFF we are moving.
277 stuff_p->next = staff2_p->stuff_p;
278 staff2_p->stuff_p = stuff_p;
284 * Abstract: Find endpoints and direction of all phrase marks.
288 * Description: This function loops through the main linked list and all STUFF,
289 * looking for phrase marks. For each phrase mark, it calls
290 * phrasestuff() to find out the horizontal positioning of the
291 * endpoints and whether the phrase mark should be above or below.
297 struct MAINLL *mainll_p; /* point along main linked list */
298 struct STUFF *stuff_p; /* point at a STUFF structure */
299 struct STUFF **phrasearray; /* malloc array of pointers to stuff */
300 int numphrases; /* number of phrases in linked list */
301 int n; /* loop through phrasearray */
304 debug(16, "setphrases");
307 for (mainll_p = Mainllhc_p; mainll_p != 0; mainll_p = mainll_p->next) {
309 switch (mainll_p->str) {
311 /* keep SSVs up to date; we need to know time sig */
312 asgnssv(mainll_p->u.ssv_p);
316 /* break out to handle this STAFF */
320 /* nothing to do, skip to next loop */
325 * For each phrase in this staff's stuff list, we need to
326 * determine whether it should print 0, 1, or 2 phrase marks,
327 * and the direction and endpoints of each. We can't simply
328 * loop through the linked list, because the list gets altered
329 * by the subroutines we call, which can add and delete phrases
330 * from the list. So we copy the pointers to an array first.
332 /* count how many phrases are in this staff's stuff list */
334 for (stuff_p = mainll_p->u.staff_p->stuff_p; stuff_p != 0;
335 stuff_p = stuff_p->next) {
336 if (stuff_p->stuff_type == ST_PHRASE)
340 /* if no phrases, nothing to do */
344 /* allocate an array to hold pointer(s) to the phrase(s) */
345 MALLOCA(struct STUFF *, phrasearray, numphrases);
347 /* fill the array with pointers to each phrase */
349 for (stuff_p = mainll_p->u.staff_p->stuff_p; stuff_p != 0;
350 stuff_p = stuff_p->next) {
351 if (stuff_p->stuff_type == ST_PHRASE)
352 phrasearray[n++] = stuff_p;
355 /* find endpoints and direction of phrase(s) from each stuff */
356 for (n = 0; n < numphrases; n++) {
357 phrasestuff(mainll_p, phrasearray[n]);
365 * Name: phrasestuff()
367 * Abstract: Find endpoints and direction of phrase(s) from one STUFF.
371 * Description: This function decides whether the given phrase STUFF should
372 * try to generate one or two phrase marks above, below, or both.
373 * If it's both, it inserts a new STUFF in the list for it. Then
374 * it calls set1phrase() for each desired phrase to find endpoints
375 * and set the place if it's unknown.
379 phrasestuff(msbeg_p, stuff_p)
381 struct MAINLL *msbeg_p; /* point at main linked list where phrase starts */
382 struct STUFF *stuff_p; /* point at STUFF structure for start of phrase */
385 struct STUFF *stuff2_p; /* if we need to create a 2nd phrase */
388 debug(32, "phrasestuff file=%s line=%d", stuff_p->inputfile,
389 stuff_p->inputlineno);
390 switch (svpath(msbeg_p->u.staff_p->staffno, VSCHEME)->vscheme) {
391 case V_1: /* one voice */
392 /* do phrase mark for first (only) voice if possible */
393 set1phrase(msbeg_p, stuff_p, 0);
396 case V_2FREESTEM: /* two voices that are free if one is space */
397 case V_3FREESTEM: /* same as above; STUFF ignores voice 3 */
398 if (chkallspace(msbeg_p, stuff_p, 0) == YES) {
399 /* first voice all spaces, apply phrase to second */
400 set1phrase(msbeg_p, stuff_p, 1);
402 } else if (chkallspace(msbeg_p, stuff_p, 1) == YES) {
403 /* second voice all spaces, apply phrase to first */
404 set1phrase(msbeg_p, stuff_p, 0);
407 /* FALL THROUGH to handle like V_2OPSTEM */
409 case V_2OPSTEM: /* two voices that always oppose */
410 case V_3OPSTEM: /* same as above; STUFF ignores voice 3 */
411 switch (stuff_p->place) {
414 /* phrase requested only for top voice */
415 set1phrase(msbeg_p, stuff_p, 0);
419 /* phrase requested only for bottom voice */
420 set1phrase(msbeg_p, stuff_p, 1);
425 * We're going to have two phrase marks, one above the
426 * first voice and one below the second voice. Let the
427 * current STUFF be for the top one, and create a new
428 * STUFF for the bottom one.
430 stuff_p->place = PL_ABOVE;
431 stuff2_p = newSTUFF((char *)0,
434 stuff_p->start.count,
435 stuff_p->start.steps,
436 stuff_p->gracebackup,
437 stuff_p->end.bars, stuff_p->end.count,
438 ST_PHRASE, NO, PL_BELOW,
440 stuff_p->inputlineno);
441 stuff2_p->next = stuff_p->next;
442 stuff_p->next = stuff2_p;
444 set1phrase(msbeg_p, stuff_p, 0);
445 set1phrase(msbeg_p, stuff2_p, 1);
455 * Abstract: Find endpoints and direction of one phrase.
459 * Description: This function, given a STUFF for a single phrase mark and the
460 * voice it should apply to, finds the endpoint GRPSYLs for the
461 * phrase. If it can't find valid GRPSYLs, it removes the phrase
462 * and prints a warning. Otherwise, it also decides whether the
463 * phrase should be above or below, if that is not already known.
467 set1phrase(msbeg_p, stuff_p, v)
469 struct MAINLL *msbeg_p; /* point at MLL (staff) where phrase begins */
470 struct STUFF *stuff_p; /* point at STUFF structure for start of phrase */
471 int v; /* which voice to attach the phrase to */
474 struct MAINLL *msend_p; /* MLL (staff) where phrase ends */
475 struct MAINLL *mll_p; /* for looping through MLL */
476 struct GRPSYL *beggrp_p;/* (eventually is) beginning of phrase */
477 struct GRPSYL *endgrp_p;/* (eventually is) end of phrase */
478 struct GRPSYL *gs_p; /* for looping through GRPSYL lists */
479 int staffno; /* the staff this phrase is on */
480 int timeden; /* denominator of time sig at end of phrase */
481 int up, down; /* count stem directions */
482 int n; /* loop variable */
485 debug(32, "set1phrase file=%s line=%d v=%d", stuff_p->inputfile,
486 stuff_p->inputlineno, v);
487 stuff_p->vno = v + 1; /* translate voice numbers 0, 1 to 1, 2 */
488 staffno = msbeg_p->u.staff_p->staffno;
491 * Find what measure this phrase mark ends in. Along the way, keep
492 * track of the time signature denominator, in case it changes. If
493 * getendstuff() returns 0, it means the phrase runs into a multirest,
494 * which is not allowed. If the phrase is supposed to be attached to
495 * the bottom voice, but it ends in a measure where the vscheme is 1,
496 * we must also throw it away. (This condition is signaled by the
497 * groups_p[v] being a null pointer.)
499 msend_p = getendstuff(msbeg_p, stuff_p, &timeden);
502 l_warning(stuff_p->inputfile, stuff_p->inputlineno,
503 "removing invalid phrase (runs into multirest)");
504 rmstuff(msbeg_p->u.staff_p, stuff_p);
507 if (msend_p->u.staff_p->groups_p[v] == 0) {
508 l_warning(stuff_p->inputfile, stuff_p->inputlineno,
509 "removing invalid phrase (covers no notes in last measure)");
510 rmstuff(msbeg_p->u.staff_p, stuff_p);
515 * Find the GRPSYLs that are closest, timewise, to the requested
516 * beginning and ending times of the phrase mark.
518 beggrp_p = closestgroup(stuff_p->start.count,
519 msbeg_p->u.staff_p->groups_p[v], Score.timeden);
520 endgrp_p = closestgroup(stuff_p->end.count,
521 msend_p->u.staff_p->groups_p[v], timeden);
524 * It's possible that *beggrp_p is a rest or a space, but a phrase must
525 * start on a note group. So search forward, if necessary, to the first
526 * note group after this point. If there is none in this measure, this
527 * is an illegal phrase mark. Also, if the phrase begins and ends in
528 * the same measure, check that we don't go past the end in doing this
529 * search. A phrase is not allowed to begin and end at the same group.
530 * But the two groups can be the same if gracebackup is being used,
531 * because in that case the beginning group is really a grace group
532 * before the ending group. In any case, apply gracebackup if
535 while (beggrp_p != 0 && beggrp_p->grpcont != GC_NOTES) {
536 if (beggrp_p == endgrp_p)
538 beggrp_p = nextnongrace(beggrp_p);
541 l_warning(stuff_p->inputfile, stuff_p->inputlineno,
542 "removing invalid phrase (covers no notes in first measure)");
544 rmstuff(msbeg_p->u.staff_p, stuff_p);
547 if (beggrp_p == endgrp_p && stuff_p->gracebackup == 0) {
548 l_warning(stuff_p->inputfile, stuff_p->inputlineno,
549 "removing invalid phrase (need multiple notes)");
551 rmstuff(msbeg_p->u.staff_p, stuff_p);
554 /* found a valid starting point; back up grace notes if requested */
555 for (n = 0; n < stuff_p->gracebackup; n++) {
556 beggrp_p = beggrp_p->prev;
557 if (beggrp_p == 0 || beggrp_p->grpvalue != GV_ZERO) {
558 l_ufatal(stuff_p->inputfile, stuff_p->inputlineno,
559 "not enough grace groups to back up to for phrase");
564 * Do the equivalent thing with the end of the phrase mark, except that
565 * we don't have to deal with gracebackup.
567 while (endgrp_p != 0 && endgrp_p->grpcont != GC_NOTES &&
568 beggrp_p != endgrp_p) {
569 endgrp_p = prevnongrace(endgrp_p);
571 if (beggrp_p == endgrp_p) {
572 l_warning(stuff_p->inputfile, stuff_p->inputlineno,
573 "removing invalid phrase (need multiple notes)");
575 rmstuff(msbeg_p->u.staff_p, stuff_p);
579 l_warning(stuff_p->inputfile, stuff_p->inputlineno,
580 "removing invalid phrase (covers no notes in last measure)");
582 rmstuff(msbeg_p->u.staff_p, stuff_p);
587 * We have now determined the correct beginning and ending GRPSYLs for
588 * the phrase. Store them for later use.
590 stuff_p->beggrp_p = beggrp_p;
591 stuff_p->endgrp_p = endgrp_p;
594 * If we don't know yet whether the phrase should be drawn above or
595 * below the staff, decide that now. We will put it on the side that
596 * has more note heads than stems. So loop through all GRPSYLs within
597 * this phrase, counting. Ignore grace groups.
599 if (stuff_p->place == PL_UNKNOWN) {
603 if (gs_p->grpvalue == GV_ZERO)
604 gs_p = nextnongrace(gs_p);
605 while (gs_p != endgrp_p) {
606 if (gs_p->grpcont == GC_NOTES) {
607 if (gs_p->stemdir == UP)
613 gs_p = nextnongrace(gs_p);
615 /* if we hit the end of a measure, find start of next */
617 for (mll_p = mll_p->next;
618 mll_p->str != S_STAFF ||
619 mll_p->u.staff_p->staffno != staffno;
622 gs_p = mll_p->u.staff_p->groups_p[v];
625 /* count final group in phrase (must be GC_NOTES) */
626 if (gs_p->stemdir == UP)
632 * Put phrase opposite the majority of the stems. If it's a
633 * tie, base it on the first group.
636 stuff_p->place = PL_BELOW;
638 stuff_p->place = PL_ABOVE;
639 else if (beggrp_p->stemdir == UP)
640 stuff_p->place = PL_BELOW;
642 stuff_p->place = PL_ABOVE;
649 * Abstract: Remove a STUFF from a linked list, and free it.
653 * Description: This function removes the given STUFF from the linked list
654 * hanging off the given staff, and frees it.
658 rmstuff(staff_p, stuff_p)
660 struct STAFF *staff_p; /* the staff that the stuff hangs off of */
661 struct STUFF *stuff_p; /* the stuff to be removed */
664 struct STUFF *stuff2_p; /* point along STUFF list */
667 debug(32, "rmstuff file=%s line=%d", stuff_p->inputfile,
668 stuff_p->inputlineno);
669 if (staff_p->stuff_p == stuff_p) {
670 /* the given stuff is the first one in the list */
671 staff_p->stuff_p = stuff_p->next;
673 /* find which stuff in list points at the one to be removed */
674 for (stuff2_p = staff_p->stuff_p; stuff2_p->next != stuff_p;
675 stuff2_p = stuff2_p->next)
677 stuff2_p->next = stuff_p->next;
686 * Abstract: Break all "stuff" that crosses scorefeeds.
690 * Description: This function loops through the main linked list and all STUFF,
691 * looking for stuff that crosses score feeds. When it finds such
692 * stuff, it breaks them at that point.
698 struct MAINLL *mainll_p; /* point along main linked list */
699 struct STUFF *stuff_p; /* point at a STUFF structure */
702 debug(16, "breakstuff");
705 for (mainll_p = Mainllhc_p; mainll_p != 0; mainll_p = mainll_p->next) {
707 switch (mainll_p->str) {
709 /* keep SSVs up to date; we need to know time sig */
710 asgnssv(mainll_p->u.ssv_p);
714 /* break out to handle this STAFF */
718 /* nothing to do, skip to next loop */
723 * Loop through all the stuff on this staff. Do it in reverse
724 * order so that when stuff gets broken, the new STUFFs end up
725 * in the correct order.
727 if (mainll_p->u.staff_p->stuff_p != 0) {
729 stuff_p = mainll_p->u.staff_p->stuff_p;
730 while (stuff_p->next != 0)
731 stuff_p = stuff_p->next;
732 /* now stuff_p points at the last one in the list */
734 for ( ; stuff_p != 0; stuff_p = prevstuff(mainll_p,
737 * If there's a "til" clause, and it crosses
738 * bar lines, call a function to see if it
739 * needs to be broken, and if so, break it.
741 if (stuff_p->end.bars > 0)
742 breakone(mainll_p, stuff_p,
753 * Abstract: Find stuff preceding the given one.
755 * Returns: pointer to previous stuff, or 0 if none
757 * Description: This function is given a pointer to a staff mainll item and a
758 * stuff in that list. It finds the preceding stuff, returning
759 * it, or 0 if none. If stuff linked lists were doubly linked,
760 * we wouldn't have to go through this aggravation.
763 static struct STUFF *
764 prevstuff(mainll_p, stuff_p)
766 struct MAINLL *mainll_p; /* ptr to MLL item for a stuff */
767 struct STUFF *stuff_p; /* ptr to current stuff */
770 register struct STUFF *prevstuff_p;
773 prevstuff_p = mainll_p->u.staff_p->stuff_p; /* get 1st stuff in list */
775 /* if current stuff is first stuff, there is none before it */
776 if (prevstuff_p == stuff_p)
779 /* loop until we find it, then return */
780 while (prevstuff_p->next != stuff_p)
781 prevstuff_p = prevstuff_p->next;
782 return (prevstuff_p);
788 * Abstract: Break one "stuff" item if it crosses scorefeeds.
792 * Description: This function is given a STUFF with a "til" clause that crosses
793 * bar line(s). It finds out if the STUFF crosses the FEED at the
794 * end of the score. If so, it stops the current stuff there, and
795 * starts a continuation on the next score. If there are more bar
796 * lines yet to be crossed, it calls itself recursively.
800 breakone(mllstaff_p, stuff_p, timenum, origstr_p, depth)
802 struct MAINLL *mllstaff_p; /* point at MLL struct holding stuff's staff */
803 struct STUFF *stuff_p; /* point at a STUFF structure */
804 int timenum; /* numerator of current time sig */
805 char *origstr_p; /* original string, from first score of stuff */
806 int depth; /* depth of recursion */
810 * Make the local variables static, to use less stack when making
811 * recursive calls. We can get away with this because the recursive
812 * call is at the end of the function, and the variables aren't used
815 static struct MAINLL *m2_p; /* point along main linked list */
816 static struct MAINLL *m3_p; /* point along main linked list */
817 static struct MAINLL *m4_p; /* point along main linked list */
818 static struct STUFF *s_p; /* point at a new STUFF */
819 static struct GRPSYL *gs_p; /* point along a GRPSYL list */
820 static int bars; /* count how many bars long it is */
821 static int otimenum; /* num of time sig before last bar */
822 static float endcount; /* count where the stuff ends */
825 debug(32, "breakone file=%s line=%d timenum=%d origstr_p=\"%s\"",
826 stuff_p->inputfile, stuff_p->inputlineno, timenum,
827 origstr_p == 0 ? "" : origstr_p);
829 * Save how many bars this stuff crosses (initially, before any
830 * breaking), and the count where it ends.
832 bars = stuff_p->end.bars;
833 endcount = stuff_p->end.count;
836 * Loop forward until crossing the given number of bars, or hitting a
837 * FEED, whichever comes first. Keep the timenum updated. At each
838 * bar line, save what it was before in otimenum.
840 for (m2_p = mllstaff_p; bars >= 0 && m2_p != 0 && m2_p->str != S_FEED;
845 if (m2_p->u.ssv_p->used[TIME] == YES)
846 timenum = m2_p->u.ssv_p->timenum;
856 * If this is the first staff of a measure, check the
857 * first voice to see if it's a multirest. (If it is,
858 * all voices on all staffs would be.) If so, decrement
859 * the bars remaining appropriately. It could end up
860 * less than 0. That's okay; we won't be breaking it.
862 if (m2_p->u.staff_p->staffno == 1 &&
863 m2_p->u.staff_p->groups_p[0]->basictime < -1) {
865 bars += 1 + m2_p->u.staff_p->
866 groups_p[0]->basictime;
873 * If bars <= -1, this stuff doesn't reach the end of this score, so
874 * just return. If we hit the end of the piece, end the stuff at the
875 * last count of the last measure (thus the last bar line). The
876 * parser has already put out a warning for this.
877 * If the stuff ends at the pseudobar of the next score, make it end at
878 * the last bar of this score instead. However, phrases should not be
879 * adjusted this way, because under these conditions they will get
880 * pulled to the note at count 1.
884 if (m2_p == 0 || bars == 0 && stuff_p->end.count == 0 &&
885 stuff_p->stuff_type != ST_PHRASE) {
886 stuff_p->end.bars -= bars + 1;
887 stuff_p->end.count = timenum + 1;
892 * At this point we know that the stuff truly crosses the FEED we're
893 * at, and we're going to have to break it. First, terminate the part
894 * of the stuff on this score and mark the carryout. (However, if the
895 * next staff starts with a multirest that fully contains the rest of
896 * the stuff, we'll cancel the carryout later and not insert a new
897 * stuff for continuation.)
899 stuff_p->end.bars -= bars + 1; /* only cross this many bars */
900 stuff_p->end.count = otimenum + 1; /* end at end of last measure*/
901 stuff_p->carryout = YES;
904 * Find the matching STAFF in the next measure. It might not exist
907 for (m3_p = m2_p->next; m3_p != 0 && m3_p->str != S_BAR;
909 if (m3_p->str == S_STAFF && m3_p->u.staff_p->staffno ==
910 mllstaff_p->u.staff_p->staffno)
916 if (m3_p->str != S_STAFF)
917 pfatal("can't find staff in main linked list [breakone]");
920 * If the staff has a multirest that's longer than the remaining
921 * length of the stuff, don't insert a new stuff; just get out now.
923 if (m3_p->u.staff_p->groups_p[0]->basictime < -1) {
924 if (bars < -(m3_p->u.staff_p->groups_p[0]->basictime)) {
925 stuff_p->carryout = NO; /* cancel the carryout */
931 * Create a new STUFF starting at count 0 of the new measure. Link it
932 * in to its STAFF and set fields appropriately.
934 s_p = newSTUFF(origstr_p, stuff_p->dist, stuff_p->dist_usage,
935 (double)0, (double)0, (short)0, bars, endcount,
936 stuff_p->stuff_type, stuff_p->modifier, stuff_p->place,
937 stuff_p->inputfile, stuff_p->inputlineno);
938 s_p->next = m3_p->u.staff_p->stuff_p;
939 m3_p->u.staff_p->stuff_p = s_p;
941 s_p->vno = stuff_p->vno; /* actually only needed for phrases */
943 switch (s_p->stuff_type) {
949 * If this staff was visible on the previous score, we just
950 * want the continuation dashes on this score, not the original
951 * string, so we change the string in that case. (If the staff
952 * is also invisible on this score, we don't care what happens,
953 * so don't even check for that.) Otherwise, leave it alone.
954 * Also, all other types that have strings should always repeat
955 * them on each score, so leave them alone.
957 if (mllstaff_p->u.staff_p->visible == YES)
958 s_p->string = dashstr(stuff_p->string);
962 * The new (2nd half of the) phrase mark has as its first group
963 * its voice's first GRPSYL in the new score. Its last group
964 * is the last GRPSYL of the entire phrase. The last group of
965 * the old (1st half of the) phrase mark is the last GRPSYL on
966 * that score for this voice.
968 s_p->beggrp_p = m3_p->u.staff_p->groups_p[ stuff_p->vno - 1 ];
969 s_p->endgrp_p = stuff_p->endgrp_p;
970 /* find matching staff in the measure before the FEED */
971 for (m4_p = m2_p; m4_p->str != S_STAFF ||
972 m4_p->u.staff_p->staffno !=
973 mllstaff_p->u.staff_p->staffno;
976 /* find last group in the measure in that voice */
977 for (gs_p = m4_p->u.staff_p->groups_p[ stuff_p->vno - 1 ];
978 gs_p->next != 0; gs_p = gs_p->next)
980 stuff_p->endgrp_p = gs_p;
985 * If there are still more bars to be crossed, call ourselves
986 * recursively to break the stuff again if necessary. But first check
987 * to see we aren't too deep in recursion, using too much stack.
989 if (s_p->end.bars > 0) {
991 l_ufatal(stuff_p->inputfile, stuff_p->inputlineno,
992 "stuff crosses more than 300 scores (break into shorter pieces)");
993 breakone(m3_p, s_p, timenum, origstr_p, depth + 1);
1000 * Abstract: Insert pedal continuation STUFFs when needed.
1004 * Description: When a pedal is to be held down through a score feed, the
1005 * print phase needs to know where (vertically) to draw the pedal
1006 * line on the new score. There might not occur another pedal
1007 * character in the first measure there, or even on that whole
1008 * score. So whenever this happens, regardless of whether there
1009 * are already pedal characters on the new score, this function
1010 * inserts a new STUFF with a special, null pedal indication, at
1011 * count 0 of the first measure of the new score.
1018 short inpedal[MAXSTAFFS + 1]; /* does this staff have pedal on now?*/
1019 short snappedal[MAXSTAFFS + 1]; /* same, when an ending is entered */
1020 struct MAINLL *mainll_p; /* point along main linked list */
1021 struct MAINLL *m2_p; /* another pointer along MLL */
1022 struct STUFF *stuff_p; /* point at a STUFF structure */
1023 struct STUFF *stuff2_p; /* point at new STUFF structure */
1024 struct BAR *bar_p; /* point at a bar line */
1025 int inending; /* are we now in an ending? */
1026 int s; /* staff number */
1029 debug(16, "contpedal");
1030 /* init pedal state to NO for all staffs */
1031 for (s = 1; s <= MAXSTAFFS; s++)
1037 * Loop through main linked list. For each STAFF found, update pedal
1038 * state when necessary. For each FEED found, if there's a pedal
1039 * crossing it, insert a pedal continuation. There is special work to
1040 * do when endings are encountered, since this can change pedal states.
1042 for (mainll_p = Mainllhc_p; mainll_p != 0; mainll_p = mainll_p->next) {
1044 switch (mainll_p->str) {
1048 * Loop through all the stuff on this staff. Whenever
1049 * there's a pedal mark, update the state for that
1050 * staff, except that pedal up/down is irrelevant.
1052 for (stuff_p = mainll_p->u.staff_p->stuff_p;
1053 stuff_p != 0; stuff_p = stuff_p->next) {
1055 if (stuff_p->stuff_type != ST_PEDAL)
1058 if (string_is_sym(stuff_p->string,
1059 C_BEGPED, FONT_MUSIC) == YES)
1060 inpedal[mainll_p->u.staff_p->
1063 else if (string_is_sym(stuff_p->string,
1064 C_ENDPED, FONT_MUSIC) == YES)
1065 inpedal[mainll_p->u.staff_p->
1072 * When entering a second or later ending, the state of
1073 * all pedals must be set back to what they were when
1074 * entering the first ending.
1075 * First deal with the case where an ending starts at
1076 * the pseudobar after a feed. In that case, we need
1077 * to ignore any endending on the previous real bar.
1079 bar_p = mainll_p->u.bar_p;
1080 for (m2_p = mainll_p->next; m2_p != 0 &&
1081 m2_p->str != S_BAR &&
1082 (m2_p->str != S_CLEFSIG ||
1083 m2_p->u.clefsig_p->bar_p == 0);
1086 if (m2_p != 0 && m2_p->str == S_CLEFSIG) {
1088 * If an ending starts at this pseudobar,
1089 * substitute this pseudobar for the real one.
1091 if (m2_p->u.clefsig_p->bar_p->endingloc
1093 bar_p = m2_p->u.clefsig_p->bar_p;
1096 switch (bar_p->endingloc) {
1098 if (inending == NO) {
1099 /* entering first ending */
1100 /* snapshot pedal states here */
1101 for (s = 1; s <= MAXSTAFFS; s++)
1102 snappedal[s] = inpedal[s];
1105 /* entering a later ending */
1106 /* restore snapshotted state */
1107 for (s = 1; s <= MAXSTAFFS; s++)
1108 inpedal[s] = snappedal[s];
1113 /* leaving the last ending */
1120 /* only consider FEEDs that are before music */
1121 if ( ! IS_CLEFSIG_FEED(mainll_p)) {
1126 * For every staff where the pedal is now down, find
1127 * the structure for that staff in the first measure,
1128 * and insert a STUFF to indicate the continuation of
1129 * the pedal mark line.
1131 for (s = 1; s <= MAXSTAFFS; s++) {
1133 if (inpedal[s] == NO)
1136 for (m2_p = mainll_p; m2_p != 0 &&
1137 (m2_p->str != S_STAFF ||
1138 m2_p->u.staff_p->staffno != s);
1142 pfatal("couldn't find staff in contpedal");
1143 /* pedal continuation at count 0, w/ null str */
1144 stuff2_p = newSTUFF((char *)0, 0, SD_NONE,
1145 (double)0, (double)0, (short)0, 0,
1146 (double)0, ST_PEDAL, NO, PL_BELOW,
1149 /* put at beginning of staff's linked list */
1150 stuff2_p->next = m2_p->u.staff_p->stuff_p;
1151 m2_p->u.staff_p->stuff_p = stuff2_p;
1161 * Abstract: Set horizontal absolute coordinates of "stuff".
1165 * Description: This function loops through the main linked list. For every
1166 * visible staff, it loops through its list of STUFF structures,
1167 * setting all their absolute horizontal coordinates.
1174 struct MAINLL *mainll_p; /* point along main linked list */
1175 struct CHHEAD *chhead_p; /* chord headcell of current measure */
1176 struct BAR *bar_p; /* [pseudo] bar before current meas */
1177 struct STUFF *stuff_p; /* point at a STUFF structure */
1178 struct MAINLL *m2_p; /* MLL for end of stuff */
1179 short timeden2; /* time sig denom at end of stuff */
1180 struct CHHEAD *chhead2_p; /* chord headcell for end of stuff */
1181 struct BAR *bar2_p; /* bar line for end of stuff */
1182 struct GRPSYL *gs_p; /* used for gracebackup */
1183 float stepsize; /* STEPSIZE scaled by staffscale */
1184 float leftwid; /* width of string left of align pt. */
1185 float streast; /* east end of a string */
1186 int ret; /* return code from geteast */
1187 int v; /* voice associated with */
1188 int n; /* loop variable */
1191 debug(16, "setstuff");
1194 chhead_p = 0; /* prevent useless 'used before set' warning */
1195 bar_p = 0; /* prevent useless 'used before set' warning */
1196 for (mainll_p = Mainllhc_p; mainll_p != 0; mainll_p = mainll_p->next) {
1198 * Do various set up work per structure type. If it's a
1199 * visible staff, break and go do the rest of this loop.
1200 * Otherwise, "continue" on to the next structure.
1202 switch (mainll_p->str) {
1204 /* keep SSVs up to date; we need to know timeden */
1205 asgnssv(mainll_p->u.ssv_p);
1209 /* always remember preceding chord headcell */
1210 chhead_p = mainll_p->u.chhead_p;
1214 /* always remember where the preceding bar was */
1215 bar_p = mainll_p->u.bar_p;
1220 * The pseudo bar that's in a clefsig following a
1221 * scorefeed overrides the real bar at the end of the
1224 if (mainll_p->u.clefsig_p->bar_p != 0)
1225 bar_p = mainll_p->u.clefsig_p->bar_p;
1229 /* visible staff breaks out to do rest of the loop */
1230 if (mainll_p->u.staff_p->visible == YES)
1238 /* get stepsize for this staff */
1239 stepsize = STEPSIZE * svpath(mainll_p->u.staff_p->staffno,
1240 STAFFSCALE)->staffscale;
1243 * Loop through all the stuff on this staff.
1245 for (stuff_p = mainll_p->u.staff_p->stuff_p; stuff_p != 0;
1246 stuff_p = stuff_p->next) {
1248 * Handle the special case of a fermata on a measure
1249 * rest. No matter what count the user requested,
1250 * we're going to center it above or below the measure
1251 * rest character. We also assume there is no "til"
1254 if (string_is_sym(stuff_p->string, C_FERM, FONT_MUSIC) == YES ||
1255 string_is_sym(stuff_p->string, C_UFERM, FONT_MUSIC) == YES) {
1257 if (setmrferm(mainll_p->u.staff_p, stuff_p)
1261 * The fermata is not on a measure rest. Fall
1262 * through to handle like any normal stuff.
1267 * Set c[AX] for the stuff.
1269 if (stuff_p->gracebackup == 0) {
1271 * Use the c[INCHPERWHOLE] coordinate of the
1272 * chord or bar line that is at or before its
1275 stuff_p->c[AX] = count2coord(
1276 stuff_p->start.count, bar_p, chhead_p,
1278 stuff_p->start.steps *
1282 * Since we have to back up by some number of
1283 * grace notes, we have to find a group to
1284 * associate the STUFF with. Then we can back
1287 v = 0; /* avoid 'used before set' warning */
1288 switch (svpath(mainll_p->u.staff_p->staffno,
1289 VSCHEME)->vscheme) {
1291 v = 0; /* only one voice, use it */
1293 case V_2FREESTEM: /* 2f */
1294 case V_3FREESTEM: /* 3f */
1295 if (chkallspace(mainll_p, stuff_p, 0)
1297 /* first voice all spaces */
1298 /* apply stuff to second */
1301 } else if (chkallspace(mainll_p,
1302 stuff_p, 1) == YES) {
1303 /* second voice all spaces */
1304 /* apply stuff to first */
1308 /* FALL THROUGH;handle like V_2OPSTEM */
1309 case V_2OPSTEM: /* 2o */
1310 case V_3OPSTEM: /* 3o */
1311 v = stuff_p->place == PL_ABOVE ? 0 : 1;
1315 /* find closest note group in this voice */
1316 gs_p = closestgroup(stuff_p->start.count,
1317 mainll_p->u.staff_p->groups_p[v],
1320 /* back up right number of grace groups */
1321 for (n = 0; n < stuff_p->gracebackup; n++) {
1323 if (gs_p == 0 || gs_p->grpvalue
1325 l_ufatal(stuff_p->inputfile,
1326 stuff_p->inputlineno,
1327 "not enough grace groups to back up to for stuff");
1331 * Put the stuff at this grace group, except
1332 * that the steps offset must be applied.
1334 stuff_p->c[AX] = gs_p->c[AX] +
1335 stuff_p->start.steps *
1340 * If this stuff has a "til" clause, find where the
1341 * ending point is and set c[AE] to that. If this
1342 * stuff also has a string, and the string extends
1343 * beyond the point that the "til" clause asks for,
1344 * c[AE] will be changed later to agree with the string.
1346 if (stuff_p->end.bars != 0 || stuff_p->end.count != 0) {
1348 * Init variables to the current position
1349 * (beginning of the stuff). If the stuff is
1350 * supposed to extend across one or more bar
1351 * lines, geteast() will alter them to the
1352 * correct values for the bar where the stuff
1353 * ends. It will blow away the 'til' clause in
1354 * certain multirest scenarios.
1356 m2_p = mainll_p; /* this stuff's staff*/
1357 timeden2 = Score.timeden;
1358 chhead2_p = chhead_p;
1361 ret = geteast(stuff_p, m2_p, &timeden2,
1362 &chhead2_p, &bar2_p);
1367 * Set c[AE] for the stuff, using the
1368 * c[INCHPERWHOLE] coordinate of the
1369 * chord or bar line that precedes or
1370 * is at the end of it.
1372 stuff_p->c[AE] = count2coord(
1374 bar2_p, chhead2_p, timeden2);
1377 /* end the stuff a little beyond the */
1378 /* barline at the start of the stuff */
1379 stuff_p->c[AE] = bar2_p->c[AX]
1380 + STUFFSTEP(stuff_p);
1383 /* no "til" clause anymore */
1384 /* set to 0 temporarily */
1389 * If there is still a "til" clause (it wasn't
1390 * blown away), make sure AE isn't left of AX.
1391 * Although the parse phase checks the bars and
1392 * counts for this, it could still happen here
1393 * if start.steps is too big. If it happens,
1394 * warn, and set AE to AX.
1396 if (stuff_p->end.bars != 0 ||
1397 stuff_p->end.count != 0) {
1398 if (stuff_p->c[AE] < stuff_p->c[AX]) {
1399 l_warning(stuff_p->inputfile,
1400 stuff_p->inputlineno,
1401 "mark begins after 'til' position; moving 'til' position to the right");
1402 stuff_p->c[AE] = stuff_p->c[AX];
1406 /* no "til" clause; set to 0 temporarily */
1411 * Set c[AW] for all stuff types, and c[AE] for ones
1412 * that don't have a "til" clause. Reset c[AE] for
1413 * ones that have a "til" clause, if they have a string
1414 * that sticks out farther than that.
1416 switch (stuff_p->stuff_type) {
1425 * These types (and only these) have a string.
1426 * (However, pedal continuations don't, so
1427 * treat them specially.) Set c[AW] such that
1428 * the first character will be centered at
1431 if (stuff_p->string == 0) {
1432 /* must be a pedal continuation; */
1433 /* these have no width */
1434 stuff_p->c[AW] = stuff_p->c[AE] =
1439 /* not a pedal continuation */
1442 * If this is a chord with a grid, handle it
1443 * all in the subroutine.
1445 if (stuff_p->modifier == TM_CHORD && trygrid(
1446 mainll_p, stuff_p) == YES) {
1450 leftwid = left_width(stuff_p->string);
1451 stuff_p->c[AW] = stuff_p->c[AX] - leftwid;
1453 /* find the initial east of the string */
1454 streast = stuff_p->c[AW] +
1455 strwidth(stuff_p->string);
1457 * If the string would go beyond the right
1458 * margin, try to split it onto multiple lines,
1459 * and reset the string's east. Don't do this
1460 * for chord/analysis/figbass.
1462 if (streast > PGWIDTH -
1463 eff_rightmargin(mainll_p) &&
1464 ! IS_CHORDLIKE(stuff_p->modifier)) {
1465 stuff_p->string = split_string(
1466 stuff_p->string, PGWIDTH -
1467 eff_rightmargin(mainll_p) -
1469 streast = stuff_p->c[AW] +
1470 strwidth(stuff_p->string);
1474 * If this east is beyond the east given by the
1475 * "til" clause (if any), use it for the AE.
1477 if (streast > stuff_p->c[AE])
1478 stuff_p->c[AE] = streast;
1485 case ST_TIESLUR: /* due to carry-in into ending */
1486 case ST_TABSLUR: /* due to carry-in into ending */
1487 case ST_BEND: /* due to carry-in into ending */
1489 * These types (and only these) have no string.
1490 * Set c[AW] the same as c[AX]. These always
1491 * have "til" clauses, so c[AE] is already set.
1492 * (Actually, c[AE] is not set for TIESLUR,
1493 * TABSLUR, or BEND, but no one uses it anyhow.)
1495 stuff_p->c[AW] = stuff_p->c[AX];
1499 /* this file doesn't deal with MIDI at all */
1503 pfatal("unknown stuff type %d",
1504 stuff_p->stuff_type);
1511 * Name: count2coord()
1513 * Abstract: Convert a count in a measure to the absolute horizontal coord.
1515 * Returns: coordinate corresponding to the given count
1517 * Description: This function, given a count number in a measure, and the
1518 * preceding bar line, chord head cell, and time signature
1519 * denominator, calculates and returns the absolute horizonal
1520 * coordinate of that place. In a measure, the preceding bar line
1521 * (or pseudo bar line, if this is the first measure of a score)
1522 * is regarded as count 0, and the following bar line is regarded
1523 * as count N + 1, where N is the numerator of the time signature.
1524 * Between any adjacent chords, or chord and bar line, time is
1525 * treated as proportional to distance.
1529 count2coord(count, bar_p, chhead_p, timeden)
1531 double count; /* count in measure */
1532 struct BAR *bar_p; /* bar at start of measure (pseudobar if 1st in score)*/
1533 struct CHHEAD *chhead_p;/* chord headcell for this measure */
1534 int timeden; /* denominator of time signature in this measure */
1537 struct CHORD *ch_p, *nch_p; /* point at CHORD structures */
1538 float frac; /* what fraction of a whole it starts at */
1539 float coord; /* the answer */
1544 * The stuff is before the first chord ("count 1"). So we
1545 * consider the preceding bar line to be count 0, and allocate
1546 * time proportionally.
1548 coord = bar_p->c[AX] + (count / timeden) *
1549 bar_p->c[INCHPERWHOLE];
1552 * Convert the "count" where this stuff begins to what fraction
1553 * of a whole it starts at.
1555 frac = (count - 1) / timeden;
1558 * In this loop, ch_p starts at the first chord and nch_p is
1559 * the next chord. They move forward in parallel. We get out
1560 * either when nch_p is 0 (ch_p is the last chord), or when
1561 * nch_p is beyond the place where our stuff goes (the stuff
1562 * goes at or following ch_p).
1564 for (ch_p = chhead_p->ch_p, nch_p = ch_p->ch_p;
1565 nch_p != 0 && RAT2FLOAT(nch_p->starttime) <= frac;
1566 ch_p = nch_p, nch_p = nch_p->ch_p)
1570 * Subtract to find how far (timewise) the stuff is after chord
1571 * ch_p. Then allocate space proportionally.
1573 coord = ch_p->c[AX] + (frac - RAT2FLOAT(ch_p->starttime)) *
1574 ch_p->c[INCHPERWHOLE];
1583 * Abstract: Point variables at things relevant to the east end of a STUFF.
1585 * Returns: 1 if count2coord() should be used to find AE of stuff
1586 * 2 if AE of stuff should be near *bar_p_p due to multirest
1587 * 3 if 'til' clause is being blown away due to multirest
1589 * Description: This function is given pointers pertaining to a measure where
1590 * a STUFF begins. It searches forward to the end of the stuff,
1591 * according to the given number of measures. It sets *timeden2_p,
1592 * *chhead2_p_p, and *bar2_p_p to the values they should be for
1593 * the end of the stuff, if the return code is 1 (the usual case).
1594 * For 2 and 3, only *bar2_p_p is guaranteed to be meaningful.
1598 geteast(stuff_p, m2_p, timeden2_p, chhead2_p_p, bar2_p_p)
1600 struct STUFF *stuff_p; /* pointer to the stuff */
1601 struct MAINLL *m2_p; /* starts at start of stuff, change to end */
1602 short *timeden2_p; /* starts at start of stuff, change to end */
1603 struct CHHEAD **chhead2_p_p; /* starts at start of stuff, change to end */
1604 struct BAR **bar2_p_p; /* starts at start of stuff, change to end */
1607 int blimit; /* number of bars to search forward past */
1608 int timenum; /* numerator of time signature */
1609 int b; /* count bar lines */
1612 blimit = stuff_p->end.bars; /* number of bars to cross */
1614 /* if all within one bar, return right away */
1616 /* if starts and ends inside multirest, blow away 'til' clause*/
1617 if (m2_p->u.staff_p->groups_p[0]->basictime < -1) {
1618 stuff_p->end.count = 0;
1622 return (1); /* normal case; retain 'til' clause */
1625 timenum = Score.timeden; /* keep track of time sig numerator */
1628 * The input parameters point at values that are for the beginning of
1629 * the stuff. Loop forward the requested number of bars to get to the
1630 * end of the stuff. While doing this, keep those variables updated.
1631 * By the end of this function, they will be correct for the end of
1635 /* if it starts at a multirest, account for that */
1636 if (m2_p->u.staff_p->groups_p[0]->basictime < -1) {
1637 /* if it ends inside the multirest, point at previous bar, */
1638 /* blow away 'til' clause, and get out */
1639 if (-(m2_p->u.staff_p->groups_p[0]->basictime) > blimit) {
1640 *bar2_p_p = m2_p->u.bar_p;
1641 stuff_p->end.bars = 0;
1642 stuff_p->end.count = 0;
1646 b = -1 - m2_p->u.staff_p->groups_p[0]->basictime;
1648 for ( ; b < blimit; b++) {
1649 for (m2_p = m2_p->next; m2_p != 0 && m2_p->str != S_BAR;
1650 m2_p = m2_p->next) {
1652 switch (m2_p->str) {
1654 if (m2_p->u.ssv_p->used[TIME] == YES) {
1655 timenum = m2_p->u.ssv_p->timenum;
1656 *timeden2_p = m2_p->u.ssv_p->timeden;
1661 /* multirests count as multiple measures */
1662 if (m2_p->u.staff_p->staffno == 1 &&
1663 m2_p->u.staff_p->groups_p[0]->basictime < -1) {
1665 /* add (multi - 1) to no. of bars */
1666 b -= 1 + m2_p->u.staff_p->
1667 groups_p[0]->basictime;
1670 * If the stuff doesn't make it into
1671 * the last measure, or doesn't make it
1672 * to the last measure's bar line, make
1673 * it stop at the bar before multirest.
1675 if (b > blimit || b == blimit &&
1676 stuff_p->end.count < timenum + 1) {
1681 * If it ends at the bar after the
1682 * multirest, move forward to that bar
1683 * and end the stuff there.
1686 while (m2_p->str != S_BAR)
1688 *bar2_p_p = m2_p->u.bar_p;
1697 pfatal("'til' clause extends beyond end of the piece [geteast1]");
1699 *bar2_p_p = m2_p->u.bar_p;
1703 * m2_p points at the bar line preceding or at the place where the
1704 * stuff ends. Continue forward to be pointing at the CHHEAD of that
1705 * measure and also do final variable updates.
1707 for ( ; m2_p != 0 && m2_p->str != S_CHHEAD;
1708 m2_p = m2_p->next) {
1710 switch (m2_p->str) {
1712 if (m2_p->u.ssv_p->used[TIME] == YES)
1713 *timeden2_p = m2_p->u.ssv_p->timeden;
1716 if (m2_p->u.clefsig_p->bar_p != 0)
1717 *bar2_p_p = m2_p->u.clefsig_p->bar_p;
1723 pfatal("'til' clause extends beyond end of the piece [geteast2]");
1726 * If the first staff in this measure has a multirest, return that fact
1727 * and have the stuff end at this bar line.
1729 if (m2_p->next->u.staff_p->groups_p[0]->basictime < -1)
1732 *chhead2_p_p = m2_p->u.chhead_p;
1734 return (1); /* didn't end during a multirest */
1740 * Abstract: Set absolute horizonal coords of a fermata on measure rest/rpt.
1742 * Returns: YES or NO
1744 * Description: This function is given a staff and a stuff for a fermata there.
1745 * It decides whether the fermata applies to a measure rest or a
1746 * measure repeat. If it does, it sets its coords to align with
1747 * the symbol and returns YES. Otherwise it returns NO.
1751 setmrferm(staff_p, stuff_p)
1753 struct STAFF *staff_p;
1754 struct STUFF *stuff_p;
1757 struct GRPSYL *gs_p; /* point at the relevant grpsyl list */
1758 float fermx; /* the center of the fermata */
1759 float fermwidth; /* width of the fermata */
1760 int font, size, code; /* of the fermata */
1761 char *s_p; /* point into the string holding the fermata */
1764 debug(32, "setmrferm file=%s line=%d", stuff_p->inputfile,
1765 stuff_p->inputlineno);
1767 * Who knows why the user would put a fermata between two staffs, but
1768 * if they did, treat it as normal stuff.
1770 if (stuff_p->place == PL_BETWEEN)
1774 * Figure out which voice this fermata is meant to apply to. It could
1775 * be that one voice has a measure rest and the other doesn't. For
1776 * measure repeats, both would have it, so we wouldn't care which
1777 * voice, but we might as well fall through the same code. Point
1778 * at the first GRPSYL in that voice's list.
1780 gs_p = 0; /* prevent useless 'used before set' warning */
1781 switch (svpath(staff_p->staffno, VSCHEME)->vscheme) {
1783 /* only 1 voice, this must be it */
1784 gs_p = staff_p->groups_p[0];
1790 * Technically we should attach the fermata to the voice it is
1791 * next to. But if that voice is all spaces, that wouldn't
1792 * make much sense. So fall through and handle the same as
1793 * the freestem cases.
1798 /* apply it to the nearest voice, unless it's all spaces */
1799 if (stuff_p->place == PL_ABOVE) {
1800 if ( ! hasspace(staff_p->groups_p[0], Zero, Score.time))
1801 gs_p = staff_p->groups_p[0];
1803 gs_p = staff_p->groups_p[1];
1805 if ( ! hasspace(staff_p->groups_p[1], Zero, Score.time))
1806 gs_p = staff_p->groups_p[1];
1808 gs_p = staff_p->groups_p[0];
1814 * If the relevant voice is not a measure rest or measure repeat, don't
1815 * do anything more. Just return and let the normal "stuff" code
1816 * handle this fermata.
1818 if (gs_p->is_meas == NO)
1822 * This fermata is on a measure rest/repeat. We can't rely on the AX
1823 * of this; it's offset like a whole rest would be. We have to
1824 * average the AW and AE to know where the center should be.
1825 * If the user requested a stepsize offset, we will apply it to the
1826 * result, so in that case it won't really be centered after all.
1828 fermx = (gs_p->c[AW] + gs_p->c[AE]) / 2 +
1829 stuff_p->start.steps * STEPSIZE;
1831 /* find width of fermata */
1832 font = stuff_p->string[0];
1833 size = stuff_p->string[1];
1834 s_p = &stuff_p->string[2];
1835 code = next_str_char(&s_p, &font, &size);
1836 fermwidth = width(font, size, code);
1838 /* set the absolute horizontal coords */
1839 stuff_p->c[AX] = fermx;
1840 stuff_p->c[AW] = fermx - fermwidth / 2;
1841 stuff_p->c[AE] = fermx + fermwidth / 2;
1849 * Abstract: Handle a chord STUFF if there are chord grids.
1851 * Returns: YES if a grid will be printed with this chord, NO if not
1853 * Description: If there are to be chord grids printed at the end of the song,
1854 * this function sets the "used" flag. If a grid should be
1855 * printed here (where the chord is used), it sets the coordinates
1856 * of this STUFF appropriately.
1860 trygrid(mainll_p, stuff_p)
1862 struct MAINLL *mainll_p; /* MLL struct for this chord stuff */
1863 struct STUFF *stuff_p; /* the chord stuff */
1866 int gridswhereused; /* YES or NO for this staff */
1867 struct GRID *grid_p; /* point to the grid definition */
1868 char *asciichord_p; /* point at ASCII version of chord */
1869 float geast, gwest; /* relative coords of the grid */
1870 float hstrw; /* half the width of the chord string */
1873 gridswhereused = svpath(mainll_p->u.staff_p->staffno,
1874 GRIDSWHEREUSED)->gridswhereused;
1876 if (Score.gridsatend == NO && gridswhereused == NO) {
1880 grid_p = findgrid(stuff_p->string);
1882 /* if grid was never defined, warn and return no grid here */
1884 asciichord_p = ascii_str(stuff_p->string, YES, NO, TM_CHORD);
1885 l_warning(stuff_p->inputfile, stuff_p->inputlineno,
1886 "no grid defined for chord %s", asciichord_p);
1890 if (Score.gridsatend == YES) { /* grids print at end of song*/
1891 /* mark grid as used if it hasn't been, and keep count */
1892 if (grid_p->used == NO) {
1894 Atend_info.grids_used++;
1898 /* if no grid is to be printed here, get out */
1899 if (gridswhereused == NO)
1902 /* we only need east & west here */
1903 gridsize(grid_p, stuff_p->all ? 0 : mainll_p->u.staff_p->staffno,
1904 (float *)0, (float *)0, &geast, &gwest);
1905 hstrw = strwidth(stuff_p->string) / 2.0;
1908 * The stuff extends as far as necessary to contain both the string and
1909 * the grid. Unlike for other string stuffs, the string is centered at
1910 * this count. (So is the grid, if you ignore any "X fr" string on its
1911 * right side.) Note: "til" clauses are not allowed on chords.
1913 stuff_p->c[AE] = stuff_p->c[AX] + MAX(geast, hstrw);
1914 stuff_p->c[AW] = stuff_p->c[AX] + MIN(gwest, -hstrw);
1916 return (YES); /* grid gets printed here */
1920 * Name: tieslurstuff()
1922 * Abstract: Create STUFF structures for all ties, slurs, and bends.
1926 * Description: This function puts ST_TIESLUR, ST_TABSLUR, and ST_BEND STUFF
1927 * structures in the linked lists. Unlike for the other stuff
1928 * types, the parser never does this. So up until now, there have
1929 * been none of these in the linked lists. More than one STUFF is
1930 * needed if there the tie/slur/bend is across a bar line into
1931 * endings, or across a scorefeed.
1937 struct MAINLL *mainll_p; /* point along main linked list */
1938 struct GRPSYL *gs_p; /* point at a group */
1939 int v; /* voice number, 0 or 1 */
1940 int n, k; /* loop variables */
1943 debug(16, "tieslurstuff");
1947 * Loop through main linked list, looking for visible STAFFs.
1949 for (mainll_p = Mainllhc_p; mainll_p != 0; mainll_p = mainll_p->next) {
1951 if (mainll_p->str == S_SSV) {
1952 /* keep SSVs up to date for benefit of l_warning */
1953 asgnssv(mainll_p->u.ssv_p);
1957 if (mainll_p->str != S_STAFF ||
1958 mainll_p->u.staff_p->visible == NO)
1962 * Loop through all voices on this staff.
1964 for (v = 0; v < MAXVOICES && mainll_p->u.staff_p->
1965 groups_p[v] != 0; v++) {
1967 * Loop through the groups in this voice. Ignore rests
1970 for (gs_p = mainll_p->u.staff_p->groups_p[v];
1971 gs_p != 0; gs_p = gs_p->next) {
1973 if (gs_p->grpcont != GC_NOTES)
1977 * For each note in this group, for each tie
1978 * and slur starting at it, call a function to
1979 * allocate a STUFF for it (more if into an
1980 * ending or scorefeed). However, do not do
1981 * this for ties on a tablature staff. They
1982 * are not to be printed.
1984 for (n = 0; n < gs_p->nnotes; n++) {
1985 if (gs_p->notelist[n].tie == YES &&
1986 ! is_tab_staff(mainll_p
1987 ->u.staff_p->staffno))
1988 mktieslurstuff(mainll_p,
1991 for (k = 0; k < gs_p->notelist[n].
1993 mktieslurstuff(mainll_p,
2003 * Name: mktieslurstuff()
2005 * Abstract: Create STUFF structure(s) for one tie/slur/bend.
2009 * Description: This function puts ST_TIESLUR, ST_TABSLUR, or ST_BEND STUFF
2010 * structure(s) in the linked list for one tie or slur curve.
2011 * Normally only one is needed, but if it crosses a scorefeed
2012 * two are needed, and if it crosses into a first ending, one is
2013 * needed for each following ending.
2017 mktieslurstuff(mllstaff_p, gs_p, n, s)
2019 struct MAINLL *mllstaff_p; /* MLL of staff where tie/slur/bend starts */
2020 struct GRPSYL *gs_p; /* ptr to group where tie/slur/bend starts */
2021 int n; /* index to note in notelist where it starts */
2022 int s; /* index into slurtolist, or -1 for tie */
2025 struct STUFF *stuff_p; /* point at a STUFF structure */
2026 struct STAFF *staff_p; /* point at staff of mllstaff */
2027 struct MAINLL *mll_p; /* point along MLL */
2028 struct MAINLL *mll2_p; /* another pointer along MLL */
2029 struct BAR *bar_p; /* point to a bar or pseudobar */
2030 struct MAINLL *ebmll_p; /* end bar MLL struct */
2031 int endingloc; /* ending location */
2032 int stufftype; /* which of the stuff types is it? */
2035 staff_p = mllstaff_p->u.staff_p;
2037 if (s == -1) { /* tie */
2038 stufftype = ST_TIESLUR;
2039 } else if (gs_p->notelist[n].is_bend == YES) { /* bend */
2040 stufftype = ST_BEND;
2041 } else if (is_tab_staff(staff_p->staffno) || /* slur on tab or */
2042 is_tab_staff(staff_p->staffno + 1)) { /* tabnote staff */
2043 stufftype = ST_TABSLUR;
2044 } else { /* slur on other staff*/
2045 stufftype = ST_TIESLUR;
2048 /* allocate a STUFF structure for this tie/slur/bend */
2049 stuff_p = newSTUFF((char *)0, 0, SD_NONE, (double)0, (double)0, 0, 0,
2050 (double)0, stufftype, NO, PL_UNKNOWN, (char *)0, 0);
2052 /* fill in additional items needed for tie/slur */
2053 stuff_p->vno = gs_p->vno;
2054 stuff_p->beggrp_p = gs_p;
2055 stuff_p->begnote_p = &gs_p->notelist[n];
2056 stuff_p->curveno = (short)s;
2058 /* put the new STUFF into this staff's stuff list, at start of list */
2059 stuff_p->next = staff_p->stuff_p;
2060 staff_p->stuff_p = stuff_p;
2062 /* if this is not the last group in measure, no more STUFFs needed */
2063 if (gs_p->next != 0)
2066 /* if this is a slur to/from nowhere, no second piece needed */
2067 if (s >= 0 && (stufftype == ST_TABSLUR || stufftype == ST_TIESLUR) &&
2068 IS_NOWHERE(gs_p->notelist[n].slurtolist[s].octave))
2072 * We might need more STUFF(s), either because of a scorefeed, or
2073 * because of endings. First check for the scorefeed case.
2075 /* find bar line at end of measure */
2076 for (ebmll_p = mllstaff_p; ebmll_p != 0 && ebmll_p->str != S_BAR;
2077 ebmll_p = ebmll_p->next)
2080 pfatal("final measure has no bar line");
2082 /* does a feed occur before next staff? */
2083 for (mll_p = ebmll_p; mll_p != 0 && mll_p->str != S_FEED &&
2084 mll_p->str != S_STAFF; mll_p = mll_p->next)
2089 if (mll_p->str == S_FEED) {
2090 /* found a feed, so try to make the extra STUFF */
2091 stuff_p->carryout = YES;
2092 mkextrastuff(mll_p, stuff_p, gs_p, n, s, stufftype);
2096 * Find whether we need to check for endings. This is true when we are
2097 * at the start of a first ending. So endingloc has to be STARTITEM,
2098 * and the previous bar must not be in an ending. If we are at a FEED,
2099 * look at the pseudobar's endingloc, else look at the previous real
2100 * bar. In any case, search back from the real bar.
2102 if (mll_p->str == S_FEED) {
2104 * Find the next CLEFSIG. Normally it's the next thing after
2105 * this FEED, but it's possible there are block(s) here and so
2106 * it will be after some later FEED.
2108 while (mll_p != 0 && mll_p->str != S_CLEFSIG)
2109 mll_p = mll_p->next;
2111 return; /* there must not be any more music */
2112 bar_p = mll_p->u.clefsig_p->bar_p;
2114 bar_p = ebmll_p->u.bar_p;
2116 if (bar_p->endingloc != STARTITEM)
2118 for (mll2_p = ebmll_p->prev; mll2_p != 0 && mll2_p->str != S_BAR;
2119 mll2_p = mll2_p->prev)
2121 if (mll2_p != 0 && (mll2_p->u.bar_p->endingloc == STARTITEM ||
2122 mll2_p->u.bar_p->endingloc == INITEM))
2126 * The curve was into a first ending. So we have to loop forward,
2127 * looking for the bar lines at the start of each ending, and try to
2128 * make another STUFF for the curve carrying into that ending.
2130 for ( ; mll_p != 0; mll_p = mll_p->next) {
2132 if (mll_p->str != S_BAR)
2135 /* see if a pseudo bar occurs before the next staff */
2136 for (mll2_p = mll_p; mll2_p != 0 && mll2_p->str != S_STAFF &&
2137 (mll2_p->str != S_CLEFSIG ||
2138 mll2_p->u.clefsig_p->bar_p == 0);
2139 mll2_p = mll2_p->next)
2141 if (mll2_p == 0 || mll2_p->str == S_STAFF) {
2142 /* normal case, no pseudobar */
2143 endingloc = mll_p->u.bar_p->endingloc;
2145 /* found pseudobar; use it instead of normal bar */
2146 endingloc = mll2_p->u.clefsig_p->bar_p->endingloc;
2149 switch (endingloc) {
2154 /* out of all endings, we're done */
2159 * We are at a bar that begins another ending. Try to
2160 * find the matching staff in this measure.
2162 mkextrastuff(mll_p, stuff_p, gs_p, n, s, stufftype);
2168 * Name: mkextrastuff()
2170 * Abstract: Create STUFF extra structure(s) for one tie/slur/bend.
2174 * Description: This function puts ST_TIESLUR, ST_TABSLUR, or ST_BEND STUFF
2175 * structure(s) in the linked list for the ending piece of a tie,
2176 * slur, or bend that is broken across a scorefeed or into a
2177 * second or later ending.
2181 mkextrastuff(mll_p, origstuff_p, gs_p, n, s, stufftype)
2183 struct MAINLL *mll_p; /* starts before first staff in measure */
2184 struct STUFF *origstuff_p; /* original STUFF for this curve */
2185 struct GRPSYL *gs_p; /* GRPSYL where curve started */
2186 int n; /* index to note in notelist where it starts */
2187 int s; /* index into slurtolist, or -1 for tie */
2188 int stufftype; /* which of the stuff types is it? */
2191 struct STUFF *stuff_p; /* new stuff */
2192 struct GRPSYL *endgs_p; /* group where tie/slur/bend ends */
2193 int k; /* loop variable */
2196 /* find first staff */
2197 for ( ; mll_p != 0 && mll_p->str != S_STAFF;
2198 mll_p = mll_p->next)
2201 /* find matching staff */
2202 for ( ; mll_p != 0 && mll_p->str == S_STAFF &&
2203 mll_p->u.staff_p->staffno !=
2204 gs_p->staffno; mll_p = mll_p->next)
2207 pfatal("last bar missing in main linked list [mkextrastuff]");
2208 if (mll_p->str != S_STAFF) /* number of staffs changed? */
2212 /* allocate a STUFF structure second half of tie/slur/bend */
2213 stuff_p = newSTUFF((char *)0, 0, SD_NONE, (double)0, (double)0, 0, 0,
2214 (double)0, stufftype, NO, PL_UNKNOWN, (char *)0, 0);
2216 stuff_p->carryin = YES;
2217 stuff_p->costuff_p = origstuff_p;
2219 /* fill in additional items needed for tie/slur */
2220 stuff_p->vno = gs_p->vno;
2221 endgs_p = mll_p->u.staff_p->groups_p[gs_p->vno - 1];
2222 stuff_p->beggrp_p = endgs_p; /* "beg" is really set to the end here*/
2224 /* begnote_p must be pointed at the note where tie/slur ends; find it */
2225 for (k = 0; k < endgs_p->nnotes; k++) {
2227 /* tie; check for matching note */
2228 if (endgs_p->notelist[k].letter ==
2229 gs_p->notelist[n].letter
2230 && endgs_p->notelist[k].octave ==
2231 gs_p->notelist[n].octave)
2234 /* slur/bend; check for note we're slurring/bending to*/
2235 if (endgs_p->notelist[k].letter ==
2236 gs_p->notelist[n].slurtolist[s].letter
2237 && endgs_p->notelist[k].octave ==
2238 gs_p->notelist[n].slurtolist[s].octave)
2242 if (k == endgs_p->nnotes) {
2243 l_warning(endgs_p->inputfile, endgs_p->inputlineno,
2244 "can't find note being tied, slurred, or bent to");
2249 stuff_p->begnote_p = &endgs_p->notelist[k]; /* end of tie/slur */
2250 stuff_p->curveno = (short)s; /* same as for the carryout stuff */
2252 /* put the new STUFF into this staff's stuff list, at start of list */
2253 stuff_p->next = mll_p->u.staff_p->stuff_p;
2254 mll_p->u.staff_p->stuff_p = stuff_p;