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# include "process_command.h"
PRIVATE
void save_state (int i)
/* used in process_xtuplet */
{
beamingi = beaming[i];
currenti = current[i];
cspacingi = cspacing[i];
vspacingi = vspacing[i];
first_collectivei = first_collective[i];
collectivei[0] = '\0';
append (collectivei, NULL, collective[i], SHORT_LEN);
}
PRIVATE
void restore_state (int i)
/* used in process_xtuplet */
{
beaming[i] = beamingi;
current[i] = currenti;
cspacing[i] = cspacingi;
vspacing[i] = vspacingi;
first_collective[i] = first_collectivei;
collective[i][0] = '\0';
append (collective[i], NULL, collectivei, SHORT_LEN);
}
PRIVATE
void pseudo_output_notes (int i)
{ /* process notes like output_notes but without outputting */
if (vspacing[i] > 0)
vspacing[i] = vspacing[i] - spacing;
else if (collective[i][0])
{
first_collective[i] = false;
if (*current[i] == '}')
{ collective[i][0] = '\0';
current[i]++;
}
}
}
void process_xtuplet (void)
{
int i, xi=0;
int xspacing = MAX_SPACING; /* xtuplet total spacing */
int normalized_xspacing; /* (xspacing / xtuplet) * (xtuplet - 1); */
int xsp;
double multnoteskip;
if (debug)
{ fprintf (logfile, "\nEntering process_xtuplet:\n");
for (i=1; i <= nstaffs; i++)
fprintf (logfile, "i=%d xtuplet[i]=%d\n", i, xtuplet[i]);
}
if (old_spacing < MAX_SPACING)
{ char *s, *t;
if (debug) fprintf (logfile, "Terminate current notes command:\n");
t = TransformNotes2;
while (true)
{ s = strchr (t, '#');
if (s == NULL) break;
while (t < s) /* output any initial \transpose etc. */
{ putc (*t, outfile); t++; }
t++; /* skip # */
i = atoi (t) - 1; t++;
fprintf (outfile, "%s", outstrings[i]);
if (debug) fprintf (logfile, "\noutputting %s from outstrings[%d].\n", outstrings[i], i);
outstrings[i][0] = '\0';
n_outstrings[i] = outstrings[i];
if (*t != '\0')
{ putc (*t, outfile); t++; } /* terminator */
}
fprintf (outfile, "\\en");
if (debug)
{ fprintf (logfile, "\\en");
fprintf (logfile, "\nAfter termination of notes command:\n");
status_all ();
}
}
if (debug)
{ fprintf (logfile, "\nDetermine xtuplet duration:\n");
fflush (logfile);
}
for (i=1; i <= nstaffs; i++)
if (xtuplet[i] > 1)
{
xi = i;
save_state (xi);
pseudo_output_notes (xi);
xspacing = spacings[xi];
while (xspacing % xtuplet[xi] != 0)
{
xspacing += spacing_note (xi);
pseudo_output_notes (xi);
if (xspacing >= MAX_SPACING)
error ("Can't determine xtuplet duration.");
}
restore_state (xi);
break;
}
if (debug) fprintf (logfile, "\nxspacing=%s\n", ps(xspacing));
if (debug) fprintf (logfile, "xi=%d xtuplet[xi]=%d\n", xi, xtuplet[xi]);
normalized_xspacing = (xspacing / xtuplet[xi]) * (xtuplet[xi] - 1);
if (debug)
{ fprintf (logfile, "normalized_xspacing=%s\n", ps(normalized_xspacing));
}
spacing = xspacing / xtuplet[xi];
if (debug)
{
fprintf (logfile, "\nDetermine minimal spacing over all active staffs:\n");
}
for (i=1; i <= nstaffs; i++)
if (active[i] && xtuplet[i] == 1)
{ save_state (i);
pseudo_output_notes (i);
xsp = spacings[i];
if (spacings[i] < spacing)
spacing = spacings[i];
while (xsp < normalized_xspacing)
{ int spi = spacing_note (i);
pseudo_output_notes (i);
xsp += spi;
if (spi < spacing)
{ spacing = spi;
if (debug) fprintf (logfile, "for i=%d spi=%s\n", i, ps(spi));
}
}
restore_state (i);
}
if (debug) fprintf (logfile, "\nxspacing=%s\n", ps(spacing));
if (debug) fprintf (logfile, "\nCreate a new notes command for the xtuplet:\n");
initialize_notes ();
if (debug) fprintf (logfile, "\nProcess non-xtuplet staffs:\n");
for (i=1; i <= nstaffs; i++)
vspacing[i] = 0;
xsp = 0;
while (true)
{
for (i=1; i <= nstaffs; i++)
if (active[i] && xtuplet[i] == 1)
output_notes (i);
xsp += spacing;
for (i=1; i <= nstaffs; i++)
{
/* virtual notes needed? */
if (active[i] && xtuplet[i] == 1 && spacings[i] != 0 && spacings[i] != spacing && vspacing[i] == 0)
{
vspacing[i] = spacings[i] - spacing;
}
}
if (xsp >= normalized_xspacing) break;
global_skip = 0;
for (i=1; i <= nstaffs; i++)
if (active[i] && xtuplet[i] == 1)
spacings[i] = spacing_note(i);
}
if (debug)
{ fprintf (logfile, "\nAfter processing non-xtuplet staffs:\n");
status_all ();
}
if (debug)
{
fprintf (logfile, "Generate \\multnoteskip factors.\n");
fprintf (logfile, "xi=%d xtuplet[xi]=%d\n", xi, xtuplet[xi]);
}
multnoteskip = (double) (xtuplet[xi] - 1) / xtuplet[xi];
for (i=1; i <= nstaffs; i++)
if (xtuplet[i] > 1)
{
n_outstrings[i] += sprintf (n_outstrings[i], "\\multnoteskip{%5.3f}", multnoteskip);
if (debug)
{ fprintf (logfile, "\noutstrings[%d]=", i);
note_segment (outstrings[i]);
}
}
if (debug) fprintf (logfile, "\nRe-process xtuplet staffs:\n");
for (i=1; i <= nstaffs; i++)
if (xtuplet[i] > 1)
{
xsp = 0;
while (true)
{ output_notes (i);
xsp += spacing;
if (spacings[i] != spacing && vspacing[i] == 0)
vspacing[i] = spacings[i] - spacing;
if (xsp >= xspacing) break;
global_skip = 0;
spacings[i] = spacing_note (i);
}
}
/* Restore normal \noteskip in the xtuplet staffs. */
if (debug)
{
fprintf (logfile, "Restore \\multnoteskip factors.\n");
fprintf (logfile, "xi=%d xtuplet[xi]=%d\n", xi, xtuplet[xi]);
}
multnoteskip = (double) xtuplet[xi] / (xtuplet[xi]-1);
for (i=1; i <= nstaffs; i++)
if (xtuplet[i] > 1)
{
n_outstrings[i] += sprintf (n_outstrings[i], "\\multnoteskip{%5.3f}", multnoteskip);
xtuplet[i] = 1;
}
nonvirtual_notes = true;
if (debug)
{ fprintf (logfile, "\nAfter process_xtuplet:\n");
status_all ();
}
return;
}
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