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#ifndef lint |
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static const char RCSid[] = "$Id: psmeta.c,v 1.2 2003/07/01 21:21:40 greg Exp $"; |
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#endif |
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/* |
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* Program to convert meta-files to PostScript. |
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* |
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* 9/23/88 |
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*/ |
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|
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|
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#include "meta.h" |
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|
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#include "plot.h" |
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|
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|
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char *progname; |
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|
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static short newpage = TRUE; |
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|
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|
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|
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main(argc, argv) |
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|
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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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init(progname); |
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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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|
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if (!newpage) |
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endpage(); |
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|
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done(); |
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return(0); |
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} |
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|
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|
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|
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|
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plot(infp) /* plot meta-file */ |
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|
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FILE *infp; |
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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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readp(&nextp, infp); |
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} |
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} while (doglobal(&nextp)); |
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|
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} |
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|
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|
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|
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doglobal(g) /* execute a global command */ |
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|
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PRIMITIVE *g; |
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|
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{ |
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FILE *fp; |
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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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return(0); |
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|
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case PPAUS: |
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break; |
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|
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case PINCL: |
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if (g->args == NULL) |
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error(USER, "missing include file name in include"); |
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if (g->arg0 == 2 || (fp = fopen(g->args, "r")) == NULL) { |
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if (g->arg0 != 0) |
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fp = mfopen(g->args, "r"); |
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else { |
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sprintf(errmsg, "cannot open user include file \"%s\"", |
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g->args); |
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error(USER, errmsg); |
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} |
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} |
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plot(fp); |
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fclose(fp); |
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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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endpage(); |
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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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case POPEN: |
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segopen(g->args); |
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break; |
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|
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case PCLOSE: |
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segclose(); |
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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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return(1); |
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} |
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|
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|
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|
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|
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doprim(p) /* plot primitive */ |
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|
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PRIMITIVE *p; |
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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 PVSTR: |
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plotvstr(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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case PSEG: |
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doseg(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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newpage = FALSE; |
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|
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} |
