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format.c
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format.c
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/*
* Formatting functions.
*
* This file is part of abcm2ps.
*
* Copyright (C) 1998-2014 Jean-François Moine
* Adapted from abc2ps, Copyright (C) 1996,1997 Michael Methfessel
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA 02110-1335 USA
*/
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include "abc2ps.h"
struct FORMAT cfmt; /* current format for output */
char *fontnames[MAXFONTS]; /* list of font names */
static char font_enc[MAXFONTS]; /* font encoding */
static char def_font_enc[MAXFONTS]; /* default font encoding */
static char used_font[MAXFONTS]; /* used fonts */
static float swfac_font[MAXFONTS]; /* width scale */
static int nfontnames;
static float staffwidth;
/* format table */
static struct format {
char *name;
void *v;
char type;
#define FORMAT_I 0 /* int */
#define FORMAT_R 1 /* float */
#define FORMAT_F 2 /* font spec */
#define FORMAT_U 3 /* float with unit */
#define FORMAT_B 4 /* boolean */
#define FORMAT_S 5 /* string */
char subtype; /* special cases - see code */
short lock;
} format_tb[] = {
{"abc2pscompat", &cfmt.abc2pscompat, FORMAT_B, 3},
{"alignbars", &cfmt.alignbars, FORMAT_I, 0},
{"aligncomposer", &cfmt.aligncomposer, FORMAT_I, 0},
{"autoclef", &cfmt.autoclef, FORMAT_B, 0},
{"annotationfont", &cfmt.font_tb[ANNOTATIONFONT], FORMAT_F, 0},
{"barsperstaff", &cfmt.barsperstaff, FORMAT_I, 0},
{"bgcolor", &cfmt.bgcolor, FORMAT_S, 0},
{"botmargin", &cfmt.botmargin, FORMAT_U, 0},
{"breaklimit", &cfmt.breaklimit, FORMAT_R, 3},
{"breakoneoln", &cfmt.breakoneoln, FORMAT_B, 0},
{"bstemdown", &cfmt.bstemdown, FORMAT_B, 0},
{"cancelkey", &cfmt.cancelkey, FORMAT_B, 0},
{"combinevoices", &cfmt.combinevoices, FORMAT_I, 0},
{"composerfont", &cfmt.font_tb[COMPOSERFONT], FORMAT_F, 0},
{"composerspace", &cfmt.composerspace, FORMAT_U, 0},
{"contbarnb", &cfmt.contbarnb, FORMAT_B, 0},
{"continueall", &cfmt.continueall, FORMAT_B, 0},
{"custos", &cfmt.custos, FORMAT_B, 0},
{"dateformat", &cfmt.dateformat, FORMAT_S, 0},
{"dblrepbar", &cfmt.dblrepbar, FORMAT_I, 2},
{"dynalign", &cfmt.dynalign, FORMAT_B, 0},
{"footer", &cfmt.footer, FORMAT_S, 0},
{"footerfont", &cfmt.font_tb[FOOTERFONT], FORMAT_F, 0},
{"flatbeams", &cfmt.flatbeams, FORMAT_B, 0},
{"gchordbox", &cfmt.gchordbox, FORMAT_B, 0},
{"gchordfont", &cfmt.font_tb[GCHORDFONT], FORMAT_F, 3},
{"graceslurs", &cfmt.graceslurs, FORMAT_B, 0},
{"gracespace", &cfmt.gracespace, FORMAT_I, 5},
{"header", &cfmt.header, FORMAT_S, 0},
{"headerfont", &cfmt.font_tb[HEADERFONT], FORMAT_F, 0},
{"historyfont", &cfmt.font_tb[HISTORYFONT], FORMAT_F, 0},
{"hyphencont", &cfmt.hyphencont, FORMAT_B, 0},
{"indent", &cfmt.indent, FORMAT_U, 0},
{"infofont", &cfmt.font_tb[INFOFONT], FORMAT_F, 0},
{"infoline", &cfmt.infoline, FORMAT_B, 0},
{"infospace", &cfmt.infospace, FORMAT_U, 0},
{"keywarn", &cfmt.keywarn, FORMAT_B, 0},
{"landscape", &cfmt.landscape, FORMAT_B, 0},
{"leftmargin", &cfmt.leftmargin, FORMAT_U, 0},
{"lineskipfac", &cfmt.lineskipfac, FORMAT_R, 0},
{"linewarn", &cfmt.linewarn, FORMAT_B, 0},
{"maxshrink", &cfmt.maxshrink, FORMAT_R, 2},
{"maxstaffsep", &cfmt.maxstaffsep, FORMAT_U, 0},
{"maxsysstaffsep", &cfmt.maxsysstaffsep, FORMAT_U, 0},
{"measurebox", &cfmt.measurebox, FORMAT_B, 0},
{"measurefirst", &cfmt.measurefirst, FORMAT_I, 0},
{"measurefont", &cfmt.font_tb[MEASUREFONT], FORMAT_F, 2},
{"measurenb", &cfmt.measurenb, FORMAT_I, 0},
{"micronewps", &cfmt.micronewps, FORMAT_B, 0},
{"microscale", &cfmt.microscale, FORMAT_I, 0},
{"musicspace", &cfmt.musicspace, FORMAT_U, 0},
{"notespacingfactor", &cfmt.notespacingfactor, FORMAT_R, 1},
{"oneperpage", &cfmt.oneperpage, FORMAT_B, 0},
{"pageheight", &cfmt.pageheight, FORMAT_U, 0},
{"pagewidth", &cfmt.pagewidth, FORMAT_U, 0},
#ifdef HAVE_PANGO
{"pango", &cfmt.pango, FORMAT_B, 2},
#endif
{"parskipfac", &cfmt.parskipfac, FORMAT_R, 0},
{"partsbox", &cfmt.partsbox, FORMAT_B, 0},
{"partsfont", &cfmt.font_tb[PARTSFONT], FORMAT_F, 1},
{"partsspace", &cfmt.partsspace, FORMAT_U, 0},
{"pdfmark", &cfmt.pdfmark, FORMAT_I, 0},
{"repeatfont", &cfmt.font_tb[REPEATFONT], FORMAT_F, 0},
{"rightmargin", &cfmt.rightmargin, FORMAT_U, 0},
{"scale", &cfmt.scale, FORMAT_R, 0},
{"setdefl", &cfmt.setdefl, FORMAT_B, 0},
{"setfont-1", &cfmt.font_tb[1], FORMAT_F, 0},
{"setfont-2", &cfmt.font_tb[2], FORMAT_F, 0},
{"setfont-3", &cfmt.font_tb[3], FORMAT_F, 0},
{"setfont-4", &cfmt.font_tb[4], FORMAT_F, 0},
#if FONT_UMAX!=5
# error Bad number of user fonts
#endif
// {"shifthnote", &cfmt.shiftunison, FORMAT_B, 0}, /*to remove*/
{"shiftunison", &cfmt.shiftunison, FORMAT_I, 0},
{"shiftunisson", &cfmt.shiftunison, FORMAT_I, 0}, /*to remove*/
{"slurheight", &cfmt.slurheight, FORMAT_R, 0},
{"splittune", &cfmt.splittune, FORMAT_B, 0},
{"squarebreve", &cfmt.squarebreve, FORMAT_B, 0},
{"staffnonote", &cfmt.staffnonote, FORMAT_I, 0},
{"staffsep", &cfmt.staffsep, FORMAT_U, 0},
{"staffwidth", &staffwidth, FORMAT_U, 1},
{"stemheight", &cfmt.stemheight, FORMAT_R, 0},
{"straightflags", &cfmt.straightflags, FORMAT_B, 0},
{"stretchlast", &cfmt.stretchlast, FORMAT_R, 2},
{"stretchstaff", &cfmt.stretchstaff, FORMAT_B, 0},
{"subtitlefont", &cfmt.font_tb[SUBTITLEFONT], FORMAT_F, 0},
{"subtitlespace", &cfmt.subtitlespace, FORMAT_U, 0},
{"sysstaffsep", &cfmt.sysstaffsep, FORMAT_U, 0},
{"tempofont", &cfmt.font_tb[TEMPOFONT], FORMAT_F, 0},
{"textfont", &cfmt.font_tb[TEXTFONT], FORMAT_F, 0},
{"textoption", &cfmt.textoption, FORMAT_I, 4},
{"textspace", &cfmt.textspace, FORMAT_U, 0},
{"titlecaps", &cfmt.titlecaps, FORMAT_B, 0},
{"titlefont", &cfmt.font_tb[TITLEFONT], FORMAT_F, 0},
{"titleformat", &cfmt.titleformat, FORMAT_S, 0},
{"titleleft", &cfmt.titleleft, FORMAT_B, 0},
{"titlespace", &cfmt.titlespace, FORMAT_U, 0},
{"titletrim", &cfmt.titletrim, FORMAT_B, 0},
{"timewarn", &cfmt.timewarn, FORMAT_B, 0},
{"topmargin", &cfmt.topmargin, FORMAT_U, 0},
{"topspace", &cfmt.topspace, FORMAT_U, 0},
{"transpose", &cfmt.transpose, FORMAT_I, 1},
{"tuplets", &cfmt.tuplets, FORMAT_I, 3},
{"vocalfont", &cfmt.font_tb[VOCALFONT], FORMAT_F, 0},
{"vocalspace", &cfmt.vocalspace, FORMAT_U, 0},
{"voicefont", &cfmt.font_tb[VOICEFONT], FORMAT_F, 0},
{"wordsfont", &cfmt.font_tb[WORDSFONT], FORMAT_F, 0},
{"wordsspace", &cfmt.wordsspace, FORMAT_U, 0},
{"writefields", &cfmt.fields, FORMAT_B, 1},
{0, 0, 0, 0} /* end of table */
};
/* -- search a font and add it if not yet defined -- */
static int get_font(char *fname, int encoding)
{
int fnum;
/* get or set the default encoding */
for (fnum = nfontnames; --fnum >= 0; )
if (strcmp(fname, fontnames[fnum]) == 0) {
if (encoding < 0)
encoding = def_font_enc[fnum];
if (encoding == font_enc[fnum])
return fnum; /* font found */
break;
}
while (--fnum >= 0) {
if (strcmp(fname, fontnames[fnum]) == 0
&& encoding == font_enc[fnum])
return fnum;
}
/* add the font */
if (nfontnames >= MAXFONTS) {
error(1, NULL, "Too many fonts");
return 0;
}
if (file_initialized> 0
&& (epsf <= 1 && !svg))
error(1, NULL,
"Cannot have a new font when the output file is opened");
fnum = nfontnames++;
fontnames[fnum] = strdup(fname);
if (encoding < 0)
encoding = 0;
font_enc[fnum] = encoding;
return fnum;
}
/* -- set a dynamic font -- */
static int dfont_set(struct FONTSPEC *f)
{
int i;
for (i = FONT_DYN; i < cfmt.ndfont; i++) {
if (cfmt.font_tb[i].fnum == f->fnum
&& cfmt.font_tb[i].size == f->size)
return i;
}
if (i >= FONT_MAX - 1) {
error(1, NULL, "Too many dynamic fonts");
return FONT_MAX - 1;
}
memcpy(&cfmt.font_tb[i], f, sizeof cfmt.font_tb[0]);
cfmt.ndfont = i + 1;
return i;
}
/* -- define a font -- */
static void fontspec(struct FONTSPEC *f,
char *name,
int encoding,
float size)
{
if (name)
f->fnum = get_font(name, encoding);
else
name = fontnames[f->fnum];
f->size = size;
f->swfac = size;
if (swfac_font[f->fnum] != 0) {
f->swfac *= swfac_font[f->fnum];
} else if (strncmp(name, "Times", 5) == 0) {
if (strcmp(name, "Times-Bold") == 0)
f->swfac *= 1.05;
} else if (strcmp(name, "Helvetica-Bold") == 0) {
f->swfac *= 1.15;
} else if (strncmp(name, "Helvetica", 9) == 0
|| strncmp(name, "Palatino", 8) == 0) {
f->swfac *= 1.10;
} else if (strncmp(name, "Courier", 7) == 0) {
f->swfac *= 1.35;
} else {
f->swfac *= 1.2; /* unknown font */
}
if (f == &cfmt.font_tb[GCHORDFONT])
cfmt.gcf = dfont_set(f);
else if (f == &cfmt.font_tb[ANNOTATIONFONT])
cfmt.anf = dfont_set(f);
else if (f == &cfmt.font_tb[VOCALFONT])
cfmt.vof = dfont_set(f);
}
/* -- output the font definitions with their encodings -- */
/* This output must occurs after user PostScript definitions because
* these ones may change the default behaviour */
void define_fonts(void)
{
int i;
static char *mkfont =
"/mkfont{findfont dup length 1 add dict begin\n"
" {1 index/FID ne{def}{pop pop}ifelse}forall\n"
" CharStrings/double_sharp known not{\n"
" /CharStrings CharStrings dup length dict copy def\n"
" CharStrings/sharp{pop 460 0 setcharwidth usharp ufill}bind put\n"
" CharStrings/flat{pop 460 0 setcharwidth uflat ufill}bind put\n"
" CharStrings/natural{pop 400 0 setcharwidth unat ufill}bind put\n"
" CharStrings/double_sharp{pop 460 0 setcharwidth udblesharp ufill}bind put\n"
" CharStrings/double_flat{pop 500 0 setcharwidth udbleflat ufill}bind put\n"
" }if currentdict definefont pop end}!\n";
fputs(mkfont, fout);
make_font_list();
for (i = 0; i < nfontnames; i++) {
if (used_font[i])
define_font(fontnames[i], i, font_enc[i]);
}
}
/* -- mark the used fonts -- */
void make_font_list(void)
{
struct FORMAT *f;
int i;
f = &cfmt;
for (i = FONT_UMAX; i < FONT_DYN; i++)
used_font[f->font_tb[i].fnum] = 1;
}
/* -- set the name of an information header type -- */
/* the argument is
* <letter> [ <possibly quoted string> ]
* this information is kept in the 'I' information */
static void set_infoname(char *p)
{
struct SYMBOL *s, *prev;
if (*p == 'I')
return;
s = info['I' - 'A'];
prev = NULL;
while (s) {
if (s->as.text[0] == *p)
break;
prev = s;
s = s->next;
}
if (p[1] == '\0') { /* if delete */
if (s) {
if (!prev)
info['I' - 'A'] = s->next;
else if ((prev->next = s->next) != 0)
prev->next->prev = prev;
}
return;
}
if (!s) {
s = (struct SYMBOL *) getarena(sizeof *s);
memset(s, 0, sizeof *s);
if (!prev)
info['I' - 'A'] = s;
else {
prev->next = s;
s->prev = prev;
}
}
s->as.text = (char *) getarena(strlen(p) + 1);
strcpy(s->as.text, p);
}
/* -- set the default format -- */
/* this function is called only once, at abcm2ps startup time */
void set_format(void)
{
struct FORMAT *f;
f = &cfmt;
memset(f, 0, sizeof *f);
f->pageheight = PAGEHEIGHT;
f->pagewidth = PAGEWIDTH;
f->leftmargin = MARGIN;
f->rightmargin = MARGIN;
f->topmargin = 1.0 CM;
f->botmargin = 1.0 CM;
f->topspace = 0.8 CM;
f->titlespace = 0.2 CM;
f->subtitlespace = 0.1 CM;
f->composerspace = 0.2 CM;
f->musicspace = 0.2 CM;
f->partsspace = 0.3 CM;
f->staffsep = 46.0 PT;
f->sysstaffsep = 34.0 PT;
f->maxstaffsep = 2000.0 PT;
f->maxsysstaffsep = 2000.0 PT;
f->vocalspace = 23.0 PT;
f->textspace = 0.5 CM;
f->scale = 0.75;
f->slurheight = 1.0;
f->maxshrink = 0.65;
f->breaklimit = 0.7;
f->stretchlast = 0.2;
f->stretchstaff = 1;
f->graceslurs = 1;
f->hyphencont = 1;
f->lineskipfac = 1.1;
f->parskipfac = 0.4;
f->measurenb = -1;
f->measurefirst = 1;
f->autoclef = 1;
f->breakoneoln = 1;
f->dblrepbar = (B_COL << 12) + (B_CBRA << 8) + (B_OBRA << 4) + B_COL;
f->dynalign = 1;
f->keywarn = 1;
f->linewarn = 1;
#ifdef HAVE_PANGO
if (!svg && epsf <= 1)
f->pango = 1;
else
lock_fmt(&cfmt.pango); /* SVG output does not use panga */
#endif
f->staffnonote = 1;
f->titletrim = 1;
f->aligncomposer = A_RIGHT;
f->notespacingfactor = 1.414;
f->stemheight = STEM;
#ifndef WIN32
f->dateformat = strdup("%b %e, %Y %H:%M");
#else
f->dateformat = strdup("%b %#d, %Y %H:%M");
#endif
f->gracespace = (65 << 16) | (80 << 8) | 120; /* left-inside-right - unit 1/10 pt */
f->textoption = T_LEFT;
f->ndfont = FONT_DYN;
fontspec(&f->font_tb[ANNOTATIONFONT], "Helvetica", 0, 12.0);
fontspec(&f->font_tb[COMPOSERFONT], "Times-Italic", 0, 14.0);
fontspec(&f->font_tb[FOOTERFONT], "Times-Roman", 0, 12.0); /* not scaled */
fontspec(&f->font_tb[GCHORDFONT], "Helvetica", 0, 12.0);
fontspec(&f->font_tb[HEADERFONT], "Times-Roman", 0, 12.0); /* not scaled */
fontspec(&f->font_tb[HISTORYFONT], "Times-Roman", 0, 16.0);
fontspec(&f->font_tb[INFOFONT], "Times-Italic", 0, 14.0); /* same as composer by default */
fontspec(&f->font_tb[MEASUREFONT], "Times-Italic", 0, 14.0);
fontspec(&f->font_tb[PARTSFONT], "Times-Roman", 0, 15.0);
fontspec(&f->font_tb[REPEATFONT], "Times-Roman", 0, 13.0);
fontspec(&f->font_tb[SUBTITLEFONT], "Times-Roman", 0, 16.0);
fontspec(&f->font_tb[TEMPOFONT], "Times-Bold", 0, 15.0);
fontspec(&f->font_tb[TEXTFONT], "Times-Roman", 0, 16.0);
fontspec(&f->font_tb[TITLEFONT], "Times-Roman", 0, 20.0);
fontspec(&f->font_tb[VOCALFONT], "Times-Bold", 0, 13.0);
fontspec(&f->font_tb[VOICEFONT], "Times-Bold", 0, 13.0);
fontspec(&f->font_tb[WORDSFONT], "Times-Roman", 0, 16.0);
f->fields[0] = (1 << ('C' - 'A'))
| (1 << ('M' - 'A'))
| (1 << ('O' - 'A'))
| (1 << ('P' - 'A'))
| (1 << ('Q' - 'A'))
| (1 << ('T' - 'A'))
| (1 << ('W' - 'A'));
f->fields[1] = (1 << ('w' - 'a'));
set_infoname("R \"Rhythm: \"");
set_infoname("B \"Book: \"");
set_infoname("S \"Source: \"");
set_infoname("D \"Discography: \"");
set_infoname("N \"Notes: \"");
set_infoname("Z \"Transcription: \"");
set_infoname("H \"History: \"");
}
/* -- print the current format -- */
void print_format(void)
{
struct format *fd;
static char *yn[2] = {"no","yes"};
for (fd = format_tb; fd->name; fd++) {
printf("%-15s ", fd->name);
switch (fd->type) {
case FORMAT_B:
switch (fd->subtype) {
#ifdef HAVE_PANGO
case 2: /* pango = 0, 1 or 2 */
if (cfmt.pango == 2) {
printf("2\n");
break;
}
/* fall thru */
#endif
default:
case 0:
printf("%s\n", yn[*((int *) fd->v)]);
break;
case 1: { /* writefields */
int i;
for (i = 0; i < 32; i++) {
if (cfmt.fields[0] & (1 << i))
printf("%c", (char) ('A' + i));
if (cfmt.fields[1] & (1 << i))
printf("%c", (char) ('a' + i));
}
printf("\n");
break;
}
}
break;
case FORMAT_I:
switch (fd->subtype) {
default:
printf("%d\n", *((int *) fd->v));
break;
case 1: { /* transpose */
int t;
t = *((int *) fd->v);
if (t >= 0)
putchar('+');
printf("%d", t / 3);
switch ((t + 240) % 3) {
case 1:
putchar('#');
break;
case 2:
putchar('b');
break;
}
putchar('\n');
break;
}
case 2: { /* dblrepbar */
int v;
char tmp[16], *p;
p = &tmp[sizeof tmp - 1];
*p = '\0';
for (v = cfmt.dblrepbar; v != 0; v >>= 4) {
switch (v & 0x0f) {
case B_BAR:
*--p = '|';
break;
case B_OBRA:
*--p = '[';
break;
case B_CBRA:
*--p = ']';
break;
default:
// case B_COL:
*--p = ':';
break;
}
}
printf("%s\n", p);
break;
}
case 3: /* tuplets */
printf("%d %d %d\n",
cfmt.tuplets >> 8,
(cfmt.tuplets >> 4) & 0x0f,
cfmt.tuplets & 0x0f);
break;
// case 4: /* textoption */
// break;
case 5: /* gracespace */
printf("%d.%d %d.%d %d.%d\n",
(cfmt.gracespace >> 16) / 10,
(cfmt.gracespace >> 16) % 10,
((cfmt.gracespace >> 8) & 0xff) / 10,
((cfmt.gracespace >> 8) & 0xff) % 10,
(cfmt.gracespace & 0xff) / 10,
(cfmt.gracespace & 0xff) % 10);
break;
}
break;
case FORMAT_R:
printf("%.2f\n", *((float *) fd->v));
break;
case FORMAT_F: {
struct FONTSPEC *s;
s = (struct FONTSPEC *) fd->v;
printf("%s", fontnames[s->fnum]);
printf(" %s", font_enc[s->fnum] ? "native" : "utf-8");
printf(" %.1f", s->size);
if ((fd->subtype == 1 && cfmt.partsbox)
|| (fd->subtype == 2 && cfmt.measurebox)
|| (fd->subtype == 3 && cfmt.gchordbox))
printf(" box");
printf("\n");
break;
}
case FORMAT_U:
if (fd->subtype == 0)
printf("%.2fcm\n", *((float *) fd->v) / (1 CM));
else
printf("%.2fcm\n",
(cfmt.pagewidth
- cfmt.leftmargin
- cfmt.rightmargin)
/ (1 CM));
break;
case FORMAT_S:
printf("\"%s\"\n",
*((char **) fd->v) != 0 ? *((char **) fd->v) : "");
break;
}
}
}
/* -- get an encoding -- */
static int parse_encoding(char *p)
{
return strncasecmp(p, "native", 6) == 0;
}
/* -- get a position -- */
static int get_posit(char *p)
{
if (strcmp(p, "up") == 0
|| strcmp(p, "above") == 0)
return SL_ABOVE;
if (strcmp(p, "down") == 0
|| strcmp(p, "below") == 0)
return SL_BELOW;
if (strcmp(p, "hidden") == 0
|| strcmp(p, "opposite") == 0)
return SL_HIDDEN;
return 0; /* auto (!= SL_AUTO) */
}
/* -- get the option for text -- */
int get_textopt(char *p)
{
if (*p == '\0'
|| strncmp(p, "obeylines", 9) == 0)
return T_LEFT;
if (strncmp(p, "align", 5) == 0
|| strncmp(p, "justify", 7) == 0)
return T_JUSTIFY;
if (strncmp(p, "ragged", 6) == 0
|| strncmp(p, "fill", 4) == 0)
return T_FILL;
if (strncmp(p, "center", 6) == 0)
return T_CENTER;
if (strncmp(p, "skip", 4) == 0)
return T_SKIP;
if (strncmp(p, "right", 5) == 0)
return T_RIGHT;
return -1;
}
/* -- get the double repeat bar -- */
static int get_dblrepbar(char *p)
{
int bar_type;
bar_type = 0;
for (;;) {
switch (*p++) {
case '|':
bar_type <<= 4;
bar_type |= B_BAR;
continue;
case '[':
bar_type <<= 4;
bar_type |= B_OBRA;
continue;
case ']':
bar_type <<= 4;
bar_type |= B_CBRA;
continue;
case ':':
bar_type <<= 4;
bar_type |= B_COL;
continue;
default:
break;
}
break;
}
return bar_type;
}
/* -- get a boolean value -- */
static int g_logv(char *p)
{
switch (*p) {
case '\0':
case '1':
case 'y':
case 'Y':
case 't':
case 'T':
return 1;
case '0':
case 'n':
case 'N':
case 'f':
case 'F':
break;
default:
error(0, NULL, "Unknown logical '%s' - false assumed", p);
break;
}
return 0;
}
/* -- get a font specifier -- */
static void g_fspc(char *p,
struct FONTSPEC *f)
{
char fname[80];
int encoding;
float fsize;
p = get_str(fname, p, sizeof fname);
if (isalpha((unsigned char) *p) || *p == '*') {
if (*p == '*')
encoding = font_enc[f->fnum];
else
encoding = parse_encoding(p);
while (*p != '\0' && !isspace((unsigned char) *p))
p++;
while (isspace((unsigned char) *p))
p++;
} else {
encoding = -1;
}
fsize = f->size;
if (*p != '\0' && *p != '*') {
char *q;
float v;
v = strtod(p, &q);
if (v <= 0 || (*q != '\0' && *q != ' '))
error(1, NULL, "Bad font size '%s'", p);
else
fsize = v;
}
fontspec(f,
strcmp(fname, "*") != 0 ? fname : 0,
encoding,
fsize);
if (file_initialized <= 0)
used_font[f->fnum] = 1;
if (f - cfmt.font_tb == outft)
outft = -1;
#ifdef HAVE_PANGO
pg_reset_font();
#endif
}
/* -- parse a 'tablature' definition -- */
/* %%tablature
* [#<nunmber (1..MAXTBLT)>]
* [pitch=<instrument pitch (<note> # | b)>]
* [[<head width>]
* <height above>]
* <height under>
* <head function>
* <note function>
* [<bar function>]
*/
struct tblt_s *tblt_parse(char *p)
{
struct tblt_s *tblt;
int n;
char *q;
static char notes_tb[14] = "CDEFGABcdefgab";
static char pitch_tb[14] = {60, 62, 64, 65, 67, 69, 71,
72, 74, 76, 77, 79, 81, 83};
/* number */
if (*p == '#') {
p++;
n = *p++ - '0' - 1;
if ((unsigned) n >= MAXTBLT
|| (*p != '\0' && *p != ' ')) {
error(1, NULL, "Invalid number in %%%%tablature");
return 0;
}
if (*p == '\0')
return tblts[n];
while (isspace((unsigned char) *p))
p++;
} else {
n = -1;
}
/* pitch */
tblt = malloc(sizeof *tblt);
memset(tblt, 0, sizeof *tblt);
if (strncmp(p, "pitch=", 6) == 0) {
p += 6;
if (*p == '^' || *p == '_') {
if (*p == '^') {
tblt->pitch++;
tblt->instr[1] = '#';
} else {
tblt->pitch--;
tblt->instr[1] = 'b';
}
p++;
}
if (*p == '\0' || (q = strchr(notes_tb, *p)) == NULL) {
error(1, NULL, "Invalid pitch in %%%%tablature");
return 0;
}
tblt->pitch += pitch_tb[q - notes_tb];
tblt->instr[0] = toupper(*p++);
while (*p == '\'' || *p == ',') {
if (*p++ == '\'')
tblt->pitch += 12;
else
tblt->pitch -= 12;
}
if (*p == '#' || *p == 'b') {
if (*p == '#')
tblt->pitch++;
else
tblt->pitch--;
tblt->instr[1] = *p++;
}
while (*p == '\'' || *p == ',') {
if (*p++ == '\'')
tblt->pitch += 12;
else
tblt->pitch -= 12;
}
while (isspace((unsigned char) *p))
p++;
}
/* width and heights */
if (!isdigit(*p)) {
error(1, NULL, "Invalid width/height in %%%%tablature");
return 0;
}
tblt->hu = scan_u(p);
while (*p != '\0' && !isspace((unsigned char) *p))
p++;
while (isspace((unsigned char) *p))
p++;
if (isdigit(*p)) {
tblt->ha = tblt->hu;
tblt->hu = scan_u(p);
while (*p != '\0' && !isspace((unsigned char) *p))
p++;
while (isspace((unsigned char) *p))
p++;
if (isdigit(*p)) {
tblt->wh = tblt->ha;
tblt->ha = tblt->hu;
tblt->hu = scan_u(p);
while (*p != '\0' && !isspace((unsigned char) *p))
p++;
while (isspace((unsigned char) *p))
p++;
}
}
if (*p == '\0')
goto err;
/* PS functions */
p = strdup(p);
tblt->head = p;
while (*p != '\0' && !isspace((unsigned char) *p))
p++;
if (*p == '\0')
goto err;
*p++ = '\0';
while (isspace((unsigned char) *p))
p++;
tblt->note = p;
while (*p != '\0' && !isspace((unsigned char) *p))
p++;
if (*p != '\0') {
*p++ = '\0';
while (isspace((unsigned char) *p))
p++;
tblt->bar = p;
while (*p != '\0' && !isspace((unsigned char) *p))
p++;
if (*p != '\0')
goto err;
}
/* memorize the definition */
if (n >= 0)
tblts[n] = tblt;
return tblt;
err:
error(1, NULL, "Wrong values in %%%%tablature");
return 0;
}
/* functions to set a voice parameter */
#define F_SET_PAR(param) \
static void set_ ## param(struct VOICE_S *p_voice, int val)\
{\
p_voice->posit.param = val;\
}
F_SET_PAR(dyn)
F_SET_PAR(gch)
F_SET_PAR(orn)
F_SET_PAR(voc)
F_SET_PAR(vol)
F_SET_PAR(std)
F_SET_PAR(gsd)
struct vpar {
char *name;
void (*f)(struct VOICE_S *p_voice, int val);
int max;
};
static const struct vpar vpar_tb[] = {
{"dynamic", set_dyn, 3}, /* 0 */
{"gchord", set_gch, 3}, /* 1 */
{"gstemdir", set_gsd, 3}, /* 2 */
{"ornament", set_orn, 3}, /* 3 */
{"stemdir", set_std, 2}, /* 4 */
{"vocal", set_voc, 3}, /* 5 */
{"volume", set_vol, 3}, /* 6 */
{}
};
/* -- set a voice parameter -- */
void set_voice_param(struct VOICE_S *p_voice, /* current voice */
int state, /* tune state */
char *w, /* keyword */
char *p) /* argument */
{
const struct vpar *vpar, *vpar2 = NULL;
int i, val;
for (vpar = vpar_tb; vpar->name; vpar++) {
if (strcmp(w, vpar->name))
continue;
if (!isdigit(*p))
val = get_posit(p);
else
val = strtod(p, 0);
if ((unsigned) val > vpar->max)
goto err;
break;
}
if (!vpar->name) { /* compatibility with previous versions */
val = -1;
switch (*w) {
case 'e':
if (strcmp(w, "exprabove") == 0) {
vpar = &vpar[0]; /* dyn */
vpar2 = &vpar[6]; /* vol */
if (g_logv(p))
val = SL_ABOVE;
else
val = SL_BELOW;
break;
}
if (strcmp(w, "exprbelow") == 0) {
vpar = &vpar[0]; /* dyn */
vpar2 = &vpar[6]; /* vol */
if (g_logv(p))
val = SL_BELOW;
else
val = SL_ABOVE;
break;
}
break;
case 'v':
if (strcmp(w, "vocalabove") == 0) { /* compatibility */
vpar = &vpar[5]; /* voc */
if (g_logv(p))
val = SL_ABOVE;
else
val = SL_BELOW;
break;
}
break;
}
if (val < 0)
goto err;
}
if (state == ABC_S_TUNE) {
vpar->f(p_voice, val);
if (vpar2)
vpar2->f(p_voice, val);
return;
}
for (i = MAXVOICE, p_voice = voice_tb; /* global */
--i >= 0;
p_voice++) {
vpar->f(p_voice, val);
if (vpar2)
vpar2->f(p_voice, val);
}
cfmt.posit = voice_tb[0].posit;
return;
err:
error(1, NULL, "Bad value %%%%%s %s", w, p);
}
/* -- parse a format line -- */
void interpret_fmt_line(char *w, /* keyword */
char *p, /* argument */
int lock)
{
struct format *fd;
switch (*w) {
case 'b':
if (strcmp(w, "barnumbers") == 0) /* compatibility */
w = "measurenb";
break;
case 'c':
if (strcmp(w, "comball") == 0) { /* compatibility */
cfmt.combinevoices = 2;
return;
}
break;
case 'f':
if (strcmp(w, "font") == 0) {
int i, fnum, encoding;
float swfac;
char fname[80];
if (file_initialized > 0
&& !svg && epsf <= 1) { /* PS */
error(1, NULL,
"Cannot define a font when the output file is opened");
return;
}
p = get_str(fname, p, sizeof fname);
swfac = 0; /* defaults to 1.2 */
encoding = 0;
if (*p != '\0') {
if (isalpha((unsigned char) *p)) {