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#ifndef lint
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static const char RCSid[] = "$Id: mtext.c,v 1.5 2003/08/01 14:14:24 schorsch Exp $";
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#endif
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/*
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* Program to convert ascii file to metafile
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*
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* 6/4/85
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*
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* cc mtext.c mfio.o syscalls.o misc.o
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*/
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#include <string.h>
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#include "meta.h"
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#include "plot.h"
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#define MAXLINE 1024
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#define CWIDTH 250
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#define CTHICK 0
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#define CDIR 0
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#define CCOLOR 0
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#define BYASPECT(w) ((w)*3/2)
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static int cwidth = CWIDTH,
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cheight = BYASPECT(CWIDTH),
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cthick = CTHICK,
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cdir = CDIR,
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ccolor = CCOLOR;
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char *progname;
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static void execute(FILE *fp);
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static void sectout(char **sect, int nlines, int maxlen);
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static void plotstr(int lino, char *s);
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int
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main(
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int argc,
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char **argv
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)
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{
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FILE *fp;
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progname = *argv++;
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argc--;
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while (argc && **argv == '-') {
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switch (*(*argv+1)) {
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case 'w':
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case 'W':
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cwidth = atoi(*argv+2);
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cheight = BYASPECT(cwidth);
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if (cheight < 0 || cheight > XYSIZE)
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error(USER, "illegal character width");
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break;
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case 't':
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case 'T':
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cthick = atoi(*argv+2);
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if (cthick < 0 || cthick > 3)
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error(USER, "thickness values between 0 and 3 only");
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break;
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case 'r':
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case 'R':
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cdir = 0;
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break;
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case 'u':
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case 'U':
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cdir = 1;
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break;
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case 'l':
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case 'L':
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cdir = 2;
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break;
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case 'd':
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case 'D':
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cdir = 3;
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break;
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case 'c':
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case 'C':
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ccolor = atoi(*argv+2);
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if (ccolor < 0 || ccolor > 3)
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error(USER, "color values between 0 and 3 only");
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break;
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default:
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sprintf(errmsg, "unknown option '%s'", *argv);
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error(WARNING, errmsg);
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break;
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}
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argv++;
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argc--;
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}
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if (argc)
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while (argc) {
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fp = efopen(*argv, "r");
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execute(fp);
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fclose(fp);
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argv++;
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argc--;
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}
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else
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execute(stdin);
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pglob(PEOF, 0200, NULL);
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return(0);
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}
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void
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execute( /* execute a file */
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FILE *fp
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)
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{
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static char linbuf[MAXLINE];
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int nlines;
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char **section;
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int maxlen;
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int done;
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int j, k;
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nlines = XYSIZE/cheight;
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done = FALSE;
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if ((section = (char **)calloc(nlines, sizeof(char *))) == NULL)
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error(SYSTEM, "out of memory in execute");
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while (!done) {
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maxlen = 0;
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for (j = 0; j < nlines; j++) {
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if ((done = fgets(linbuf, MAXLINE, fp) == NULL))
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break;
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k = strlen(linbuf);
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if (linbuf[k-1] == '\n')
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linbuf[--k] = '\0'; /* get rid of newline */
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if (k > maxlen)
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maxlen = k;
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if ((section[j] = malloc(k+1)) == NULL)
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error(SYSTEM, "out of memory in execute");
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strcpy(section[j], linbuf);
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}
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if (maxlen > 0)
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sectout(section, j, maxlen);
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for (k = 0; k < j; k++) {
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free(section[k]);
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section[k] = NULL;
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}
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}
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free((char *)section);
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}
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void
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sectout( /* write out a section */
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char **sect,
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int nlines,
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int maxlen
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)
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{
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int linwidt;
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char *slin;
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int i, j;
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linwidt = XYSIZE/cwidth;
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if ((slin = malloc(linwidt + 1)) == NULL)
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error(SYSTEM, "out of memory in sectout");
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for (i = 0; i < maxlen; i += linwidt) {
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if (i > 0)
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pglob(PEOP, cdir, NULL);
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for (j = 0; j < nlines; j++)
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if (i < strlen(sect[j])) {
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strncpy(slin, sect[j] + i, linwidt);
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slin[linwidt] = '\0';
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plotstr(j, slin);
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}
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}
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pglob(PEOP, 0200, NULL);
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free(slin);
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}
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void
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plotstr( /* plot string on line lino */
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int lino,
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char *s
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)
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{
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int a0;
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register int bottom, right;
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a0 = (cdir<<4) | (cthick<<2) | ccolor;
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bottom = XYSIZE-(lino+1)*cheight;
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right = strlen(s)*cwidth;
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switch (cdir) {
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case 0: /* right */
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pprim(PVSTR, a0, 0, bottom, right, bottom+cheight-1, s);
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break;
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case 1: /* up */
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pprim(PVSTR, a0, XYSIZE-bottom-cheight+1, 0,
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XYSIZE-bottom, right, s);
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break;
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case 2: /* left */
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pprim(PVSTR, a0, XYSIZE-right, XYSIZE-bottom-cheight+1,
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XYSIZE-1, XYSIZE-bottom, s);
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break;
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case 3: /* down */
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pprim(PVSTR, a0, bottom, XYSIZE-right,
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bottom+cheight-1, XYSIZE-1, s);
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break;
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}
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}
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