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#ifndef lint |
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static const char RCSid[] = "$Id: imagew.c,v 1.1 2003/02/22 02:07:26 greg Exp $"; |
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#endif |
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/* |
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* Program to print meta-files on a dot-matrix printer |
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* |
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* cc -o image image.c mplot.o plot.o mfio.o syscalls.o palloc.o misc.o |
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* |
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* Apple Imagewriter |
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*/ |
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|
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|
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#define MAXALLOC 5000 |
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|
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#define DXSIZE 576 /* x resolution */ |
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|
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#define DYSIZE 576 /* y resolution */ |
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|
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#define LINWIDT DXSIZE /* line width */ |
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|
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#define LINHITE 8 /* line height */ |
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|
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#define NLINES (DYSIZE/LINHITE) |
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|
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#define CHARWIDTH 8 |
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|
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#define PNORM "\033n\017\033\"" |
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|
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#define PCLEAR "\033c" |
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|
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#define PINIT "\033>\033n\033T16" |
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|
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#define LFNORM "\033f" |
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|
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#define LFREV "\033r" |
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|
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#define DBLON "\033!" |
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|
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#define DBLOFF "" |
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|
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#define PTAB "\033F" |
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|
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#define OUTPUT "\033g" |
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|
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#define XCOM "pexpand +vtOCIps %s | psort -Y +x" |
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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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#include "span.h" |
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|
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|
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|
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char *progname; |
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|
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struct span outspan; |
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|
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int dxsize = DXSIZE, dysize = DYSIZE, |
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linwidt = LINWIDT, linhite = LINHITE, |
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nrows = (LINHITE-1)/8+1; |
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|
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int maxalloc = MAXALLOC; |
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|
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int spanmin = 0, spanmax = LINWIDT-1; |
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|
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int charwidth = CHARWIDTH; |
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|
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static char chrtype[16][5] = { |
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"\033N", |
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"\033N\016", |
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"\033N", |
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"\033N\016", |
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"\033E", |
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"\033E\016", |
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"\033E", |
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"\033E\016", |
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"\033q", |
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"\033q\016", |
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"\033q", |
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"\033q\016", |
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"\033Q", |
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"\033Q\016", |
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"\033Q", |
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"\033Q\016" |
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}; |
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|
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static int lineno = 0; |
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|
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static short condonly = FALSE, |
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conditioned = FALSE; |
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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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FILE *popen(); |
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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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if (conditioned) { |
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pinit(); |
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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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if (lineno > 0) |
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nextpage(); |
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puninit(); |
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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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pinit(); |
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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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if (lineno > 0) |
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nextpage(); |
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puninit(); |
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} |
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} |
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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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|
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thispage() /* rewind and initialize current page */ |
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|
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{ |
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|
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if (lineno != 0) { |
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fputs(LFREV, stdout); |
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while (lineno) { |
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putc('\n', stdout); |
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lineno--; |
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} |
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fputs(LFNORM, stdout); |
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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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|
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nextpage() /* advance to next page */ |
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|
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{ |
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|
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fputs("\f\r", stdout); |
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|
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lineno = 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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contpage() /* continue on this page */ |
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|
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{ |
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|
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while (lineno++ < NLINES) |
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putc('\n', stdout); |
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|
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lineno = 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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printspan() /* output span to printer */ |
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|
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{ |
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register int i; |
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|
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if (spanmin <= spanmax) { |
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|
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fprintf(stdout, "%s%4d", PTAB, spanmin); |
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fprintf(stdout, "%s%3d", OUTPUT, (spanmax-spanmin)/8 + 1); |
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|
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for (i = spanmin; i <= spanmax; i++) |
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putc(flipbyte(outspan.cols[i]), stdout); |
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|
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i = 7 - (spanmax-spanmin)%8; |
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while (i--) |
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putc('\0', stdout); |
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|
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putc('\r', stdout); |
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} |
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|
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putc('\n', stdout); |
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lineno++; |
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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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int |
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flipbyte(b) /* flip an 8-bit byte end-to-end */ |
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|
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register int b; |
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|
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{ |
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register int i, a = 0; |
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|
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if (b) |
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for (i = 0; i < 8; i++) { |
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a <<= 1; |
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a |= b & 01; |
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b >>= 1; |
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} |
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|
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return(a); |
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} |
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|
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|
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|
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|
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printstr(p) /* output a string to the printer */ |
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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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fprintf(stdout, "%s%4d", PTAB, CONV(p->xy[XMN], dxsize)); |
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|
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if (p->arg0 & 0100) /* double strike */ |
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fputs(DBLON, stdout); |
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else |
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fputs(DBLOFF, stdout); |
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|
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fputs(chrtype[(p->arg0 >> 2) & 017], stdout); |
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fputs(p->args, stdout); |
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fputs(PNORM, stdout); |
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putc('\r', stdout); |
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|
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} |
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|
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|
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|
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pinit() /* initialize printer for output */ |
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{ |
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pclear(); |
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/* get eighth bit */ |
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fputs("\033Z", stdout); |
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putc('\0', stdout); |
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putc(' ', stdout); |
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fputs(PINIT, stdout); |
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} |
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|
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|
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puninit() /* uninitialize printer */ |
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{ |
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pclear(); |
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} |
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|
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|
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pclear() /* clear printer and sleep */ |
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|
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{ |
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register int i, j; |
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|
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fputs(PCLEAR, stdout); |
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fflush(stdout); |
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for (i = 0; i < 1000; i++) |
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for (j = 0; j < 500; j++) |
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; |
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|
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} |
