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/* Copyright (c) 1987 Regents of the University of California */ |
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#ifndef lint |
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static char SCCSid[] = "$SunId$ LBL"; |
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static const char RCSid[] = "$Id$"; |
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#endif |
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/* |
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* aed.c - driver for AED 512 terminal. |
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* |
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* 2/2/87 |
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*/ |
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#include "copyright.h" |
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#include <stdio.h> |
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#include "driver.h" |
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#define string(s) fputs(s, stdout) |
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#define flush() fflush(stdout) |
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#define GAMMA 2.2 /* exponent for color correction */ |
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#define GAMMA 2.5 /* exponent for color correction */ |
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#define NCOLORS 244 /* our color table size */ |
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#define NCOLORS 248 /* our color table size */ |
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#define MINPIX 8 /* minimum hardware color */ |
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#define NCOLS 512 /* maximum # columns for output */ |
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#define NROWS 512-COMHT /* maximum # rows for output */ |
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#define NROWS 483-COMHT /* maximum # rows for output */ |
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#define COMHT 16 /* height of command line */ |
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#define COMCW 63 /* maximum chars on command line */ |
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static COLR colrmap[256]; /* our color map */ |
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static COLR colrtbl[NCOLORS]; /* our color table */ |
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static int colres = 64; /* color resolution */ |
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int aed_close(), aed_clear(), aed_paintr(), |
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aed_getcur(), aed_comout(), aed_errout(); |
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static struct driver aed_driver = { |
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aed_close, aed_clear, aed_paintr, aed_getcur, |
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aed_comout, NULL, |
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NCOLS, NROWS |
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aed_comout, NULL, NULL, |
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1.0, NCOLS, NROWS |
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}; |
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struct driver * |
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aed_init(name) /* open AED */ |
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char *name; |
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aed_init(name, id) /* open AED */ |
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char *name, *id; |
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{ |
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if (ttyset(&aed_driver, fileno(stdin)) < 0) { /* set tty driver */ |
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stderr_v("cannot access terminal\n"); |
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eputs("cannot access terminal\n"); |
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return(NULL); |
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} |
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command(RST); /* reset AED */ |
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byte(BLK); byte(WHT); byte(15); |
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command(SCP); |
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byte('+'); byte(0); byte(1); |
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make_cmap(GAMMA); /* make color map */ |
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errvec = aed_errout; /* set error vector */ |
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cmdvec = aed_errout; |
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if (wrnvec != NULL) |
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wrnvec = aed_errout; |
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make_gmap(GAMMA); /* make color map */ |
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erract[USER].pf = /* set error vector */ |
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erract[SYSTEM].pf = |
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erract[INTERNAL].pf = |
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erract[CONSISTENCY].pf = aed_errout; |
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erract[COMMAND].pf = aed_errout; |
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if (erract[WARNING].pf != NULL) |
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erract[WARNING].pf = aed_errout; |
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return(&aed_driver); |
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} |
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static |
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aed_close() /* close AED */ |
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{ |
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errvec = stderr_v; /* reset error vector */ |
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cmdvec = NULL; |
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if (wrnvec != NULL) |
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wrnvec = stderr_v; |
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erract[USER].pf = /* reset error vector */ |
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erract[SYSTEM].pf = |
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erract[INTERNAL].pf = |
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erract[CONSISTENCY].pf = eputs; |
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erract[COMMAND].pf = NULL; |
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if (erract[WARNING].pf != NULL) |
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erract[WARNING].pf = wputs; |
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aedsetcap(0, 0); /* go to bottom */ |
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command(SEC); |
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byte(WHT); /* white text */ |
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int x, y; |
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{ |
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command(FFD); |
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maketab(); /* init color table */ |
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longwait(1); |
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new_ctab(NCOLORS); /* init color table */ |
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flush(); |
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} |
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COLOR col; |
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int xmin, ymin, xmax, ymax; |
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{ |
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command(SEC); /* draw rectangle */ |
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byte(get_pixel(col)+MINPIX); |
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extern int anewcolr(); |
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int ndx; |
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ndx = get_pixel(col, anewcolr); /* calls anewcolr() */ |
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command(SEC); /* draw rectangle */ |
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byte(ndx+MINPIX); |
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aedsetcap(xmin, ymin+COMHT); |
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command(DFR); |
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aedcoord(xmax-1, ymax+(-1+COMHT)); |
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static |
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maketab() /* reinitialize the color table */ |
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anewcolr(index, r, g, b) /* enter a color into our table */ |
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int index; |
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int r, g, b; |
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{ |
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extern COLR *get_ctab(); |
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register COLR *ctab; |
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register int i; |
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ctab = get_ctab(NCOLORS); /* get colors */ |
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command(SCT); /* set color table */ |
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byte(MINPIX); /* starting index */ |
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byte(NCOLORS&255); /* number of colors (0==256) */ |
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for (i = 0; i < NCOLORS; i++) { |
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byte(ctab[i][RED]); |
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byte(ctab[i][GRN]); |
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byte(ctab[i][BLU]); |
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} |
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command(SCT); |
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byte((index+MINPIX)&255); |
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byte(1); |
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byte(r); |
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byte(g); |
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byte(b); |
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flush(); |
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} |
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