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greg |
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#ifndef lint |
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schorsch |
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static const char RCSid[] = "$Id: plot4.c,v 1.1 2003/02/22 02:07:26 greg Exp $"; |
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greg |
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#endif |
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/* |
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* plot4.c - program to put four metafile pages onto one. |
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* |
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* Greg Ward |
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* 7/10/86 |
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*/ |
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#include "meta.h" |
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#define OUTFILT "pexpand +OCIms" /* output filter */ |
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#define SEGNAME "plot4seg" /* segment name */ |
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extern FILE *pout; /* the output stream */ |
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char *progname; |
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main(argc, argv) |
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int argc; |
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char *argv[]; |
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{ |
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FILE *popen(); |
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FILE *fp; |
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int i; |
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progname = argv[0]; |
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pout = popen(OUTFILT, "w"); |
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if (argc > 1) |
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for (i = 1; i < argc; i++) { |
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fp = efopen(argv[i], "r"); |
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plot4(fp); |
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fclose(fp); |
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} |
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else |
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plot4(stdin); |
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pglob(PEOF, 0200, NULL); |
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return(pclose(pout)); |
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} |
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plot4(fp) /* put a file into its place on page */ |
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FILE *fp; |
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{ |
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static int nplts = 0; |
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PRIMITIVE curp; |
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pglob(POPEN, 0, SEGNAME); |
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while (readp(&curp, fp)) |
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if (curp.com == PEOP) { |
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pglob(PCLOSE, 0200, NULL); |
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doseg(nplts++ % 4); |
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pglob(POPEN, 0, SEGNAME); |
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} else |
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writep(&curp, pout); |
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pglob(PCLOSE, 0200, NULL); |
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} |
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doseg(n) /* do segment number n */ |
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int n; |
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{ |
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switch (n) { |
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case 0: /* upper left */ |
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pprim(PSEG, 0, 0, XYSIZE/2, XYSIZE/2-1, XYSIZE-1, SEGNAME); |
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break; |
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case 1: /* upper right */ |
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pprim(PSEG, 0, XYSIZE/2, XYSIZE/2, XYSIZE-1, XYSIZE-1, SEGNAME); |
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break; |
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case 2: /* lower left */ |
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pprim(PSEG, 0, 0, 0, XYSIZE/2-1, XYSIZE/2-1, SEGNAME); |
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break; |
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case 3: /* lower right, end page */ |
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pprim(PSEG, 0, XYSIZE/2, 0, XYSIZE-1, XYSIZE/2-1, SEGNAME); |
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pglob(PEOP, 0200, NULL); |
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break; |
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} |
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} |
