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#ifndef lint |
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static const char RCSid[] = "$Id: mtext.c,v 1.6 2003/11/15 02:13:37 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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|
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#include <string.h> |
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|
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#include "meta.h" |
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#include "plot.h" |
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|
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#define MAXLINE 1024 |
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|
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#define CWIDTH 250 |
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|
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#define CTHICK 0 |
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|
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#define CDIR 0 |
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|
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#define CCOLOR 0 |
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|
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#define BYASPECT(w) ((w)*3/2) |
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|
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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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|
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char *progname; |
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|
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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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|
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|
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|
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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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|
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progname = *argv++; |
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argc--; |
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|
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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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|
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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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|
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pglob(PEOF, 0200, NULL); |
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|
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return(0); |
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} |
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|
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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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|
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nlines = XYSIZE/cheight; |
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done = FALSE; |
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|
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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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|
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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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|
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free((char *)section); |
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|
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} |
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|
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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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|
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linwidt = XYSIZE/cwidth; |
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|
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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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|
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for (i = 0; i < maxlen; i += linwidt) { |
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|
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if (i > 0) |
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pglob(PEOP, cdir, NULL); |
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|
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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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} |
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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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} |
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|
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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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|
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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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|
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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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} |
