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subs.c
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subs.c
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/*
* Copyright (C) 1996,1997,1998 Michael Methfessel
*
* This file is part of abc2ps.
*
* abc2ps is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 3 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 Lesser General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#include <ctype.h>
#include <stdlib.h>
#include <string.h>
#include "abc2ps.h"
#include "style.h"
#include "buffer.h"
#include "util.h"
#include "format.h"
#include "pssubs.h"
#include "parse.h"
#include "subs.h"
/* miscellaneous subroutines */
/* ----- write_help ----- */
void write_help ()
{
printf ("abc2ps v%s.%s (%s, %s) compiled %s\n",
VERSION, REVISION, VDATE, STYLE, __DATE__);
printf ("Usage: abc2ps files.. [-e nums-or-pats] [other flags]\n"
" - show index of abc files or typeset tunes in Postscript.\n"
"where: files input files in abc format\n"
" nums tune xref numbers, i.e. 1 3 6-7,20-\n"
" pats patterns for title search\n"
"Tunes are selected if they match a number or a pattern.\n"
"Flags: -o write output for selected tunes\n"
" -E produce EPSF output, one tune per file\n"
" -O aa set outfile name to aaa\n"
" -O = make outfile name from infile/title\n"
" -I write index to Ind.ps\n"
" -i run in interactive mode\n"
" -v nn set verbosity level to nn\n"
" -h show this command summary\n"
" Selection:\n"
" -e following arguments are selectors\n"
" -f following arguments are file names\n"
" -T search Title field (default)\n"
" -C search Composer field instead of title\n"
" -R search Rhythm field instead of title\n"
" -S search Source field instead of title\n"
" -V str select voices, eg. -V 1,4-5\n"
" Formatting:\n"
" -H show the format parameters\n"
" -p pretty output (looks better, needs more space)\n"
" -P select second predefined pretty output style\n"
" -s xx set scale factor for symbol size to xx\n"
" -w xx set staff width (cm/in/pt)\n"
" -m xx set left margin (cm/in/pt)\n"
" -d xx set staff separation (cm/in/pt)\n"
" -x include xref numbers in output\n"
" -k nn number every nn bars; 0 for first in staff\n"
" -n include notes and history in output\n"
" -N write page numbers\n"
" -1 write one tune per page\n"
" -l landscape mode\n"
" -g xx set glue mode to shrink|space|stretch|fill\n"
" -F foo read format from \"foo.fmt\"\n"
" -D bar look for format files in directory \"bar\"\n"
" -X x set strictness for note spacing, 0<x<1 \n"
" Transposing:\n"
" -t n transpose by n halftones (_n for negative number)\n"
" -t XX transpose root up/down to note XX (eg. C A# ^Bb _Bb)\n"
" Line breaks:\n"
" -b break at all line ends (ignore continuations)\n"
" -c continue all line ends (append '\\')\n"
" -B bb put line break every bb bars\n"
" Alloc options:\n"
" -maxs n set maximal number of symbols (default %d)\n"
" -maxv n set maximal number of voices (default %d)\n"
, AUDIOFILE, maxSyms, maxVc);
}
/* ----- write_version ----- */
void write_version ()
{
/* printf ("abc2ps v%s (%s, %s) compiled %s\n",
VERSION, VDATE, STYLE, __DATE__); */
printf ("abc2ps v%s.%s (%s, %s) compiled %s\n",
VERSION, REVISION, VDATE, STYLE, __DATE__);
if (strlen(DEFAULT_FDIR)>0)
printf ("Default format directory %s\n", DEFAULT_FDIR);
}
/* ----- is_xrefstr: check if string ok for xref selection ---- */
int is_xrefstr (str)
char str[];
{
char *c;
c=str;
while (*c != '\0') {
if ((!isdigit(*c)) && (*c!='-') && (*c!=',') && (*c!=' ')) return 0;
c++;
}
return 1;
}
/* ----- make_arglist: splits one string into list or arguments ---- */
int make_arglist (str, av)
char str[];
char *av[];
{
char *q;
int n;
q=str;
n=1; /* first real arg is 1, as in argv */
for (;;) {
while (*q==' ') q++;
if (*q=='\0') break;
av[n]=q;
n++;
while ((*q!=' ') && (*q!='\0')) q++;
if (*q=='\0') break;
*q='\0';
q++;
}
return n;
}
/* ----- init_ops ----- */
void init_ops (job)
int job;
{
one_per_page = -1;
landscape = -1;
scalefac = -1.0;
lmargin = -1.0;
swidth = -1.0;
write_history = -1;
staffsep = -1;
dstaffsep = 0;
break_continues = -1;
continue_lines = -1;
include_xrefs = -1;
alfa_c = -1.0;
strict1 = -1.0;
strict2 = -1.0;
barnums = -1;
make_index = 0;
make_ps = 0;
select_all = 0;
do_mode = DO_INDEX;
pagenumbers = 0;
strcpy (styf, "");
strcpy (transpose, "");
strcpy (vcselstr, "");
strcpy (au_qstr, "");
if (job) {
strcpy (styd, DEFAULT_FDIR);
strcpy (outf, OUTPUTFILE);
interactive = 0;
pretty = 0;
epsf = 0;
choose_outname = 0;
gmode = G_FILL;
vb = VERBOSE0;
search_field0 = S_TITLE;
}
}
/* ----- ops_into_fmt ----- */
void ops_into_fmt (fmt)
struct FORMAT *fmt;
{
if (landscape >= 0) fmt->landscape=landscape;
if (scalefac >= 0) fmt->scale=scalefac;
if (lmargin >= 0) fmt->leftmargin=lmargin;
if (swidth >= 0) fmt->staffwidth=swidth;
if (continue_lines >= 0) fmt->continueall=continue_lines;
if (break_continues >= 0) fmt->breakall=break_continues;
if (write_history >= 0) fmt->writehistory=write_history;
if (bars_per_line > 0) fmt->barsperstaff=bars_per_line;
if (include_xrefs >= 0) fmt->withxrefs=include_xrefs;
if (one_per_page >= 0) fmt->oneperpage=one_per_page;
if (alfa_c >= 0) fmt->maxshrink=alfa_c;
if (staffsep >= 0) fmt->staffsep=staffsep;
if (strict1 >= 0) fmt->strict1=strict1;
if (strict2 >= 0) fmt->strict2=strict2;
if (barnums >= 0) fmt->barnums=barnums;
if (strlen(au_qstr)>0) strcpy(fmt->auquality, au_qstr);
fmt->staffsep = fmt->staffsep + dstaffsep;
fmt->sysstaffsep = fmt->sysstaffsep + dstaffsep;
}
/* ----- parse_args: parse list of arguments, interpret flags ----- */
int parse_args (ac, av)
int ac;
char *av[];
{
int i,m,k,nsel,sel_arg,j,ok,f_pos,got_value;
char c,aaa[201],ext[41];
help_me=0;
ninf=0;
nsel=0;
sel_arg=0;
f_pos=-1;
strcpy (sel_str[0], "");
s_field[0]=search_field0;
i=1;
while (i<ac) {
if (av[i][0]=='+') { /* switch off flags with '+' */
m=1;
k=strlen(av[i]);
while (m<k) {
c=av[i][m];
if (c=='b') break_continues=0;
else if (c=='c') continue_lines=0;
else if (c=='x') include_xrefs=0;
else if (c=='1') one_per_page=0;
else if (c=='B') bars_per_line=0;
else if (c=='i') interactive=0;
else if (c=='n') write_history=0;
else if (c=='l') landscape=0;
else if (c=='p') pretty=0;
else if (c=='E') epsf=0;
else if (c=='F') strcpy (styf, "");
else if (c=='N') pagenumbers=0;
else if (c=='O') { choose_outname=0; strcpy (outf, OUTPUTFILE); }
else {
printf ("+++ Cannot switch off flag: +%c\n", c);
return 1;
}
m++;
}
}
else if (av[i][0]=='-') { /* interpret a flag with '-'*/
/* identify fullword options first */
if (!strcmp(av[i],"-maxv")) {
if ((i==ac-1)||(av[i+1][0]=='-')) rx("missing parameter for ",av[i]);
sscanf(av[++i],"%d",&maxVc);
if (maxVc > 100) maxVc=100;
}
else if (!strcmp(av[i],"-maxs")) {
if ((i==ac-1)||(av[i+1][0]=='-')) rx("missing parameter for ",av[i]);
sscanf(av[++i],"%d",&maxSyms);
}
else {
m=1;
k=strlen(av[i]);
while (m<k) {
c=av[i][m];
if (c=='h') help_me=1; /* simple flags */
else if (c=='H') help_me=2;
else if (c=='e') sel_arg=1;
else if (c=='f') {
nsel++;
strcpy (sel_str[nsel], "");
if (ninf==0) { /* selector before first file */
strcpy(sel_str[nsel],sel_str[nsel-1]);
s_field[nsel]=s_field[nsel-1];
}
s_field[nsel]=search_field0;
sel_arg=0;
f_pos=i;
}
else if (c=='b') {break_continues=1; continue_lines=0;}
else if (c=='c') {continue_lines=1; break_continues=0;}
else if (c=='x') include_xrefs=1;
else if (c=='1') one_per_page=1;
else if (c=='i') interactive=1;
else if (c=='n') write_history=1;
else if (c=='l') landscape=1;
else if (c=='p') pretty=1;
else if (c=='P') pretty=2;
else if (c=='E') epsf=1;
else if (c=='o') { do_mode=DO_OUTPUT; make_ps=1; }
else if (c=='N') pagenumbers=1;
else if (c=='I') make_index=1;
else if (strchr("TCRS",c)) {
if (c=='T') s_field[nsel]=S_TITLE;
if (c=='C') s_field[nsel]=S_COMPOSER;
if (c=='R') s_field[nsel]=S_RHYTHM;
if (c=='S') s_field[nsel]=S_SOURCE;
sel_arg=1;
}
else if (strchr("vsdwmgtkqQDFYBVXO",c)) { /* flags with parameter.. */
strcpy (aaa, &av[i][m+1]);
if ((strlen(aaa)>0) && strchr("glO",c)) { /* no sticky arg */
printf ("+++ Incorrect usage of flag -%c\n", c);
return 1;
}
got_value=1; /* check for value */
if (strlen(aaa)==0) {
got_value=0;
i++;
if ((i>=ac) || (av[i][0]=='-'))
i--;
else {
strcpy (aaa,av[i]);
got_value=1;
}
}
if (got_value && strchr("vskYB",c)) { /* check num args */
ok=1;
for (j=0;j<strlen(aaa);j++)
if (!strchr("0123456789.",aaa[j])) ok=0;
if (!ok) {
printf ("+++ Invalid parameter <%s> for flag -%c\n",aaa,c);
return 1;
}
}
/* --- next ops require a value --- */
if (!got_value) { /* check value was given */
printf ("+++ Missing parameter after flag -%c\n", c);
return 1;
}
if (c=='k') {
sscanf(aaa,"%d",&barnums);
break;
}
if (c=='q') {
strcpy (au_qstr, aaa);
break;
}
if (c=='V') { /* -V flag */
ok=1;
strcpy (vcselstr, aaa);
}
if (c=='X') { /* -X flag */
ok=1;
if (aaa[0]==',') {
sscanf(aaa,",%f",&strict2);
if (strict2<-0.001 || strict2>1.001) ok=0;
}
else if (strchr(aaa,',')) {
sscanf (aaa,"%f,%f",&strict1,&strict2);
if (strict1<-0.001 || strict1>1.001) ok=0;
if (strict2<-0.001 || strict2>1.001) ok=0;
}
else {
sscanf(aaa,"%f",&strict1);
if (strict1<-0.001 || strict1>1.001) ok=0;
strict2=strict1;
}
if (!ok) {
printf ("+++ Invalid parameter <%s> for flag -%c\n",aaa,c);
return 1;
}
}
if (c=='O') { /* -O flag */
if (!strcmp(aaa,"=")) {
choose_outname=1;
}
else {
getext (aaa,ext);
if (strcmp(ext,"ps") && strcmp(ext,"eps") && strcmp(ext,"")) {
printf ("Wrong extension for output file: %s\n", aaa);
return 1;
}
strext (outf, aaa, "ps", 1);
choose_outname=0;
}
}
if (c=='B') {
sscanf(aaa,"%d",&bars_per_line);
continue_lines=0;
}
if (c=='t') strcpy(transpose,aaa);
if (c=='v') sscanf(aaa,"%d",&vb);
if (c=='s') sscanf(aaa,"%f",&scalefac);
if (c=='d') {
if (aaa[0]=='+' || aaa[0]=='-') dstaffsep = scan_u(aaa);
else staffsep = scan_u(aaa);
}
if (c=='w') swidth = scan_u(aaa);
if (c=='m') lmargin = scan_u(aaa);
if (c=='F') strcpy(styf,aaa);
if (c=='D') strcpy (styd,aaa);
if (c=='g') {
if (abbrev(aaa,"shrink", 2)) gmode=G_SHRINK;
else if (abbrev(aaa,"stretch",2)) gmode=G_STRETCH;
else if (abbrev(aaa,"space", 2)) gmode=G_SPACE;
else if (abbrev(aaa,"fill", 2)) gmode=G_FILL;
else {
printf ("+++ Bad parameter for flag -g: %s\n",aaa);
return 1;
}
}
break;
}
else {
printf ("+++ Unknown flag: -%c\n", c);
return 1;
}
m++;
}
}
}
else {
if (strstr(av[i],".fmt")) { /* implict -F */
strcpy(styf, av[i]);
}
else {
if (strstr(av[i],".abc") && sel_arg) { /* file if .abc */
nsel++;
strcpy (sel_str[nsel], "");
s_field[nsel]=S_TITLE;
if (ninf==0) { /* selector before first file */
strcpy(sel_str[nsel],sel_str[nsel-1]);
s_field[nsel]=s_field[nsel-1];
}
sel_arg=0;
}
if (is_xrefstr(av[i]) && (!sel_arg)) { /* sel if xref numbers */
if (i-1 != f_pos) sel_arg=1;
}
if (!sel_arg) { /* this arg is a file name */
if (ninf>=MAXINF) {
printf ("+++ Too many input files, max is %d\n", MAXINF);
return 1;
}
strcpy (in_file[ninf], av[i]);
psel[ninf]=nsel;
ninf++;
}
else { /* this arg is a selector */
strcat(sel_str[nsel], av[i]);
strcat(sel_str[nsel], " ");
}
}
}
i++;
}
return 0;
}
/* ----- alloc_structs ----- */
/* Thanks to Henrik Norbeck for this */
void alloc_structs ()
{
int j;
sym = (struct SYMBOL *)calloc(maxSyms, sizeof(struct SYMBOL));
if (sym==NULL) rx("Out of memory","");
symv = (struct SYMBOL **)calloc(maxVc, sizeof(struct SYMBOL *));
if (symv==NULL) rx("Out of memory","");
for (j=0;j<maxVc;j++) {
symv[j] = (struct SYMBOL *)calloc(maxSyms, sizeof(struct SYMBOL));
if (symv[j]==NULL) rx("Out of memory","");
}
xp = (struct XPOS *)calloc(maxSyms+1, sizeof(struct XPOS));
if (xp==NULL) rx("Out of memory","");
for (j=0;j<maxSyms+1;j++) {
xp[j].p = (int *)calloc(maxVc, sizeof(int));
if (xp[j].p==NULL) rx("Out of memory","");
}
voice=(struct VCESPEC *)calloc(maxVc, sizeof(struct VCESPEC));
if (voice==NULL) rx("Out of memory","");
sym_st = (struct SYMBOL **)calloc(maxVc, sizeof(struct SYMBOL *));
if (sym_st==NULL) rx("Out of memory","");
for (j=0;j<maxVc;j++) {
sym_st[j] = (struct SYMBOL *)calloc(MAXSYMST, sizeof(struct SYMBOL));
if (sym_st[j]==NULL) rx("Out of memory","");
}
nsym_st = (int *)calloc(maxVc, sizeof(int));
if (nsym_st==NULL) rx("Out of memory","");
}
/* ----- set_page_format ----- */
int set_page_format ()
{
int i,j;
if (pretty==1)
set_pretty_format (&cfmt);
else if (pretty==2)
set_pretty2_format (&cfmt);
else
set_standard_format (&cfmt);
i=read_fmt_file ("fonts.fmt", styd, &cfmt);
j=0;
if (strlen(styf)>0) {
strext(styf,styf,"fmt",1);
j=read_fmt_file (styf, styd, &cfmt);
if (j==0) {
printf ("\n+++ Cannot open file: %s\n", styf);
return 0;
}
strcpy(cfmt.name, styf);
}
if (i || j) printf("\n");
ops_into_fmt (&cfmt);
make_font_list (&cfmt);
sfmt=cfmt;
dfmt=cfmt;
return 1;
}
/* ----- tex_str: change string to take care of some tex-style codes --- */
/* Puts \ in front of ( and ) in case brackets are not balanced,
interprets some TeX-type strings using ISOLatin1 encodings.
Returns the length of the string as finally given out on paper.
Also returns an estimate of the string width... */
int tex_str (str,s,wid)
char *str;
char s[];
float *wid;
{
char *c;
int base,add,n;
char t[21];
float w;
c=str;
strcpy(s,"");
n=0;
w=0;
while (*c != '\0') {
if ((*c=='(') || (*c==')')) /* ( ) becomes \( \) */
{sprintf(t, "\\%c", *c); strcat(s,t); w+=cwid('('); n++; }
else if (*c=='\\') { /* backslash sequences */
c++;
if (*c=='\0') break;
add=0; /* accented vowels */
if (*c=='`') add=1;
if (*c=='\'') add=2;
if (*c=='^') add=3;
if (*c=='"') add=4;
if (add) {
c++;
base=0;
if (*c=='a') { base=340; if (add==4) add=5; }
if (*c=='e') base=350;
if (*c=='i') base=354;
if (*c=='o') { base=362; if (add==4) add=5; }
if (*c=='u') base=371;
if (*c=='A') { base=300; if (add==4) add=5; }
if (*c=='E') base=310;
if (*c=='I') base=314;
if (*c=='O') { base=322; if (add==4) add=5; }
if (*c=='U') base=331;
w+=cwid(*c);
if (base)
{sprintf(t,"\\%d",base+add-1); strcat(s,t); n+=1; }
else
{sprintf(t,"%c",*c); strcat(s,t); n+=1; }
}
else if (*c==' ') /* \-space */
{ strcat(s," "); w+=cwid(' '); n++; }
else if (*c=='O') /* O-slash */
{ strcat(s,"\\330"); w+=cwid('O'); n++; }
else if (*c=='o') /* o-slash */
{ strcat(s,"\\370"); w+=cwid('O'); n++; }
else if((*c=='s')&&(*(c+1)=='s')) /* sz */
{ c++; strcat(s,"\\337"); w+=cwid('s'); n++; }
else if((*c=='a')&&(*(c+1)=='a')) /* a-ring */
{ c++; strcat(s,"\\345"); w+=cwid('a'); n++; }
else if((*c=='A')&&(*(c+1)=='A')) /* A-ring */
{ c++; strcat(s,"\\305"); w+=cwid('A'); n++; }
else if((*c=='a')&&(*(c+1)=='e')) /* ae */
{ c++; strcat(s,"\\346"); w+=1.5*cwid('a'); n++; }
else if((*c=='A')&&(*(c+1)=='E')) /* AE */
{ c++; strcat(s,"\\306"); w+=1.5*cwid('A'); n++; }
else if (*c=='c') { /* c-cedilla */
c++;
w+=cwid(*c);
if (*c=='C') { strcat(s,"\\307"); n++; }
else if (*c=='c') { strcat(s,"\\347"); n++; }
else {sprintf(t,"%c",*c); strcat(s,t); n++; }
}
else if (*c=='~') { /* n-twiddle */
c++;
w+=cwid(*c);
if (*c=='N') { strcat(s,"\\321"); n++; }
else if (*c=='n') { strcat(s,"\\361"); n++; }
/*
* cd: changed default behaviour in order to enable escaping of '~'
* else { sprintf(t,"%c",*c); strcat(s,t); n++; }
*/
else { sprintf(t,"~%c",*c); strcat(s,t); n++; }
}
else /* \-something-else; pass through */
{sprintf(t,"\\%c",*c); strcat(s,t); w+=cwid('A'); n++; }
}
else if (*c=='{')
;
else if (*c=='}')
;
else /* other characters: pass though */
{
sprintf(t,"%c",*c);
strcat(s,t); n++;
w+=cwid(*c);
}
c++;
}
*wid = w;
return n;
}
/* ----- put_str: output a string in postscript ----- */
void put_str (str)
char *str;
{
char s[801];
float w;
tex_str (str,s,&w);
PUT1 ("%s", s);
}
/* ----- set_font ----- */
void set_font (fp,font,add_bracket)
FILE *fp;
struct FONTSPEC font;
int add_bracket;
{
int i,fnum;
fnum=-1;
for (i=0;i<nfontnames;i++) {
if (!strcmp(font.name,fontnames[i])) fnum=i;
}
if (fnum<0) {
printf ("\n+++ Font \"%s\" not predefined; using first in list\n",
font.name);
fnum=0;
}
PUT3("%.1f %d F%d ", font.size, font.box, fnum)
if (add_bracket) PUT0("(")
}
/* ----- set_font_str ----- */
void set_font_str (str,font)
char str[];
struct FONTSPEC font;
{
int i,fnum;
fnum=-1;
for (i=0;i<nfontnames;i++) {
if (!strcmp(font.name,fontnames[i])) fnum=i;
}
sprintf (str,"%.1f %d F%d ", font.size, font.box, fnum);
}
/* ----- check_margin: do horizontal shift if needed ---- */
void check_margin (float new_posx)
{
float dif;
dif=new_posx-posx;
if (dif*dif<0.001) return;
PUT1("%.2f 0 T\n", dif)
posx=new_posx;
}
/* ----- epsf_title ------ */
void epsf_title (title,fnm)
char title[],fnm[];
{
char *p,*q;
p=title; q=fnm;
while (*p != '\0') {
if (*p == ' ')
*q = '_';
else
*q = *p;
p++; q++;
}
*q = '\0';
}
/* ----- close_output_file ------ */
void close_output_file ()
{
int m;
if (!file_open) return;
if (interactive) printf ("(close %s)\n", outfnam);
close_page(fout);
close_ps (fout);
fclose (fout);
if (tunenum==0)
printf ("+++ Warning: no tunes written to output file\n");
m=get_file_size (outfnam);
printf ("Output written on %s (%d page%s, %d title%s, %d byte%s)\n",
outfnam,
pagenum, pagenum==1 ? "" : "s",
tunenum, tunenum==1 ? "" : "s",
m, m==1 ? "" : "s");
file_open=0;
file_initialized=0;
}
/* ----- open_output_file ------ */
void open_output_file (fnam,tstr)
char fnam[],tstr[];
{
if (!strcmp(fnam,outfnam)) return;
if (file_open) close_output_file ();
if (interactive) printf ("(open %s)\n", fnam);
strcpy (outfnam, fnam);
if ((fout = fopen (outfnam,"w")) == NULL)
rx ("Cannot open output file ", outf);
pagenum=0;
tunenum=tnum1=tnum2=0;
file_open=1;
file_initialized=0;
}
/* ----- open_index_file ------- */
void open_index_file (fnam)
char fnam[];
{
if (vb>=8) printf("Open index file \"%s\"\n", fnam);
if ((findex = fopen (fnam,"w")) == NULL)
rx ("Cannot open index file: ", fnam);
index_initialized=0;
}
/* ----- close_index_file ------- */
void close_index_file ()
{
if (vb>=8) printf("Close index file\n");
close_index_page (findex);
fclose (findex);
}
/* ----- add_to_text_block ----- */
void add_to_text_block (ln,add_final_nl)
char ln[];
int add_final_nl;
{
char *c,*a;
char word[81];
int nt,nl;
nt=ntxt;
c=ln;
for (;;) {
while (*c==' ') c++;
if (*c=='\0') break;
a=word;
while ((*c!=' ')&&(*c!='\0')&&(*c!='\n')) {
nl=0;
if ((*c=='\\')&&(*(c+1)=='\\')) {
nl=1;
c+=2;
break;
}
*a=*c;
c++;
a++;
}
*a='\0';
if (strlen(word)>MAXWLEN) {
word[MAXWLEN-1]='\0';
printf ("+++ Insanely long word truncated to %d chars: %s\n",
MAXWLEN-1,word);
}
if (nt>=MAXNTEXT) {
printf ("\n+++ Line %d: %s\n", linenum,ln);
rx("Text overflow; increase MAXNTEXT and recompile.","");
}
if (strlen(word)>0) {
strcpy(txt[nt],word);
nt++;
}
if (nl) {
strcpy(txt[nt],"$$NL$$");
nt++;
}
}
if (add_final_nl) {
strcpy(txt[nt],"$$NL$$");
nt++;
}
ntxt=nt;
}
/* ----- write_text_block ----- */
void write_text_block (fp,job)
FILE *fp;
int job;
{
int i,i1,i2,ntline,nc,mc,nbreak;
float textwidth,ftline,ftline0,swfac,baseskip,parskip;
float wwidth,wtot,spw;
char str[81];
if (ntxt<=0) return;
baseskip = cfmt.textfont.size * cfmt.lineskipfac;
parskip = cfmt.textfont.size * cfmt.parskipfac;
set_font_str (page_init,cfmt.textfont);
/* estimate text widths.. ok for T-R, wild guess for other fonts */
swfac=1.0;
if (strstr(cfmt.textfont.name,"Times-Roman")) swfac=1.00;
if (strstr(cfmt.textfont.name,"Times-Bold")) swfac=1.05;
if (strstr(cfmt.textfont.name,"Helvetica")) swfac=1.10;
if (strstr(cfmt.textfont.name,"Helvetica-Bold")) swfac=1.15;
if (strstr(cfmt.textfont.name,"Palatino")) swfac=1.10;
swfac=1.0;
spw=cwid(' ');
PUT1("/LF {0 %.1f rmoveto} bind def\n",-baseskip)
/* output by pieces, separate at newline token */
i1=0;
while (i1<ntxt) {
i2=-1;
for (i=i1;i<ntxt;i++) if(!strcmp(txt[i],"$$NL$$")) {i2=i; break; }
if (i2==-1) i2=ntxt;
bskip(baseskip);
if (job==OBEYLINES) {
PUT0("0 0 M (")
for (i=i1;i<i2;i++) {
tex_str(txt[i],str,&wwidth);
PUT1("%s ",str);
}
PUT0(") rshow\n")
}
else if (job==OBEYCENTER) {
PUT1("%.1f 0 M (",cfmt.staffwidth/2)
for (i=i1;i<i2;i++) {
tex_str(txt[i],str,&wwidth);
PUT1("%s",str)
if (i<i2-1) PUT0(" ")
}
PUT0(") cshow\n")
}
else {
PUT0("0 0 M mark\n")
nc=0;
mc=-1;
wtot=-spw;
for (i=i2-1;i>=i1;i--) {
mc+=tex_str(txt[i],str,&wwidth)+1;
wtot+=wwidth+spw;
nc+=strlen(str)+2;
if (nc>=72) {nc=0; PUT0("\n") }
PUT1 ("(%s)",str);
}
if (job==RAGGED)
PUT1(" %.1f P1\n",cfmt.staffwidth)
else
PUT1(" %.1f P2\n",cfmt.staffwidth)
/* first estimate: (total textwidth)/(available width) */
textwidth=wtot*swfac*cfmt.textfont.size;
if (strstr(cfmt.textfont.name,"Courier"))
textwidth=0.60*mc*cfmt.textfont.size;
ftline0=textwidth/cfmt.staffwidth;
/* revised estimate: assume some chars lost at each line end */
nbreak=ftline0;
textwidth=textwidth+5*nbreak*cwid('a')*swfac*cfmt.textfont.size;
ftline=textwidth/cfmt.staffwidth;
ntline=ftline+1.0;
if (vb>=10)
printf("first estimate %.2f, revised %.2f\n", ftline0,ftline);
if (vb>=10)
printf("Output %d word%s, about %.2f lines (fac %.2f)\n",
i2-i1, i2-i1==1?"":"s", ftline,swfac);
bskip((ntline-1)*baseskip);
}
buffer_eob (fp);
/* next line to allow pagebreak after each text "line" */
/* if (!epsf && !within_tune) write_buffer(fp); */
i1=i2+1;
}
bskip(parskip);
buffer_eob (fp);
/* next line to allow pagebreak after each paragraph */
if (!epsf && !within_tune) write_buffer(fp);
strcpy (page_init,"");
return;
}
/* ----- put_words ------- */
void put_words (fp)
FILE *fp;
{
int i,nw,n;
char str[81];
char *p,*q;
set_font (fp,cfmt.wordsfont, 0);
set_font_str (page_init,cfmt.wordsfont);
n=0;
for (i=0;i<ntext;i++) if (text_type[i]==TEXT_W) n++;
if (n==0) return;