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#ifndef lint |
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static const char RCSid[] = "$Id: impress.c,v 1.3 2003/10/27 10:28:59 schorsch Exp $"; |
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#endif |
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/* |
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* Program to convert meta-files to imPress format |
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* |
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* |
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* 1/2/86 |
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*/ |
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|
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|
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#include "rtprocess.h" |
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#include "meta.h" |
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#include "imPcodes.h" |
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#include "imPfuncs.h" |
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#include "plot.h" |
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|
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|
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#define XCOM "pexpand +OCIsv -P %s" |
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|
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|
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char *progname; |
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|
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FILE *imout; |
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|
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static short newpage = TRUE; |
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|
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static void doprim(register PRIMITIVE *p); |
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static void doglobal(register PRIMITIVE *g); |
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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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{ |
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FILE *fp; |
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short condonly, conditioned; |
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char comargs[200], command[300]; |
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|
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progname = *argv++; |
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argc--; |
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|
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condonly = FALSE; |
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conditioned = FALSE; |
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|
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while (argc && **argv == '-') { |
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switch (*(*argv+1)) { |
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case 'c': |
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condonly = TRUE; |
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break; |
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case 'r': |
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conditioned = TRUE; |
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break; |
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default: |
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error(WARNING, "unknown option"); |
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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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imInit(); |
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|
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if (conditioned) { |
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if (argc) |
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while (argc) { |
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fp = efopen(*argv, "r"); |
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plot(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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plot(stdin); |
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} else { |
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comargs[0] = '\0'; |
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while (argc) { |
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strcat(comargs, " "); |
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strcat(comargs, *argv); |
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argv++; |
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argc--; |
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} |
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sprintf(command, XCOM, comargs); |
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if (condonly) |
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return(system(command)); |
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else { |
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if ((fp = popen(command, "r")) == NULL) |
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error(SYSTEM, "cannot execute input filter"); |
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plot(fp); |
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pclose(fp); |
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} |
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} |
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|
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if (!newpage) |
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imEndPage(); |
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imEof(); |
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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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plot( /* plot meta-file */ |
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register FILE *infp |
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) |
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|
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{ |
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PRIMITIVE nextp; |
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|
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do { |
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readp(&nextp, infp); |
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while (isprim(nextp.com)) { |
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doprim(&nextp); |
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fargs(&nextp); |
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readp(&nextp, infp); |
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} |
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doglobal(&nextp); |
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fargs(&nextp); |
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} while (nextp.com != PEOF); |
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|
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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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doglobal( /* execute a global command */ |
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register PRIMITIVE *g |
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) |
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|
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{ |
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switch (g->com) { |
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|
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case PEOF: |
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break; |
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|
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case PDRAW: |
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fflush(stdout); |
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break; |
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|
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case PEOP: |
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if (!newpage) |
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imEndPage(); /* don't waste paper */ |
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newpage = TRUE; |
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break; |
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|
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case PSET: |
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set(g->arg0, g->args); |
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break; |
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|
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case PUNSET: |
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unset(g->arg0); |
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break; |
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|
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case PRESET: |
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reset(g->arg0); |
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break; |
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|
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default: |
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sprintf(errmsg, "unknown command '%c' in doglobal", g->com); |
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error(WARNING, errmsg); |
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break; |
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} |
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|
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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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doprim( /* plot primitive */ |
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register PRIMITIVE *p |
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) |
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|
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{ |
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|
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switch (p->com) { |
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|
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case PMSTR: |
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printstr(p); |
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break; |
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|
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case PLSEG: |
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plotlseg(p); |
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break; |
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|
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case PRFILL: |
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fillrect(p); |
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break; |
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|
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case PTFILL: |
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filltri(p); |
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break; |
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|
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case PPFILL: |
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fillpoly(p); |
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break; |
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|
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default: |
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sprintf(errmsg, "unknown command '%c' in doprim", p->com); |
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error(WARNING, errmsg); |
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return; |
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} |
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|
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newpage = FALSE; |
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|
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} |
