| 1 |
greg |
1.1 |
#ifndef lint |
| 2 |
schorsch |
1.5 |
static const char RCSid[] = "$Id: d48c.c,v 1.4 2003/10/27 10:24:51 schorsch Exp $"; |
| 3 |
greg |
1.1 |
#endif |
| 4 |
greg |
1.2 |
/* |
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greg |
1.1 |
* d48c.c - driver for dicomed D48 film recorder w/ color optics. |
| 6 |
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* |
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* 3/26/87 |
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*/ |
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#include <stdio.h> |
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schorsch |
1.5 |
#include <string.h> |
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greg |
1.1 |
#include <signal.h> |
| 13 |
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schorsch |
1.5 |
#include "paths.h" |
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schorsch |
1.4 |
#include "rterror.h" |
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greg |
1.1 |
#include "color.h" |
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#define HSIZE 4096 /* device width */ |
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#define VSIZE 4096 /* device height */ |
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#define MAXMULT 15 /* maximum element size */ |
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/* dicomed commands */ |
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#define O_ECS 0 /* encoded command select */ |
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#define O_CONF 03400 /* configuration code */ |
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#define O_FES 020000 /* function element select */ |
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#define O_VPA 040000 /* vector or position absolute */ |
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#define O_ICS 0100000 /* initial condition select */ |
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#define O_PES 0120000 /* point element select */ |
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/* ECS commands */ |
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#define ECS_FA 07 /* film advance */ |
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#define ECS_RED 011 /* select red filter */ |
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#define ECS_GRN 012 /* select green filter */ |
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#define ECS_BLU 014 /* select blue filter */ |
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#define ECS_NEU 017 /* select neutral filter */ |
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#define ECS_RAS 020 /* select raster mode */ |
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#define ECS_COL 022 /* select color mode */ |
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#define ECS_BW 023 /* select black and white mode */ |
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#define ECS_BT 024 /* bypass translation tables */ |
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/* FES functions */ |
| 44 |
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#define FES_RE 030000 /* raster element */ |
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#define FES_RL 0170000 /* run length */ |
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/* ICS fields */ |
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#define ICS_HVINT 040 /* interchange h and v axes */ |
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#define ICS_VREV 0100 /* reverse v axis direction */ |
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#define ICS_HREV 0200 /* reverse h axis direction */ |
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| 52 |
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int nrows; /* number of rows for output */ |
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int ncols; /* number of columns for output */ |
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int mult; /* number of h/v points per elem. */ |
| 56 |
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| 57 |
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int hhome; /* offset for h */ |
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int vhome; /* offset for v */ |
| 59 |
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/* dicomed configurations */ |
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#define C_POLAROID 0 /* polaroid print */ |
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#define C_35FRES 1 /* 35mm full resolution */ |
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#define C_35FFRA 2 /* 35mm full frame */ |
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#define C_SHEET 3 /* 4X5 sheet film */ |
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#define NCONF 4 /* number of configurations */ |
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struct config { |
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char *name; /* configuration name */ |
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int ccode; /* configuration code */ |
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int icsfield; /* initial condition select */ |
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int hbeg, vbeg; /* coord. origin */ |
| 73 |
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int hsiz, vsiz; /* dimensions */ |
| 74 |
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} ctab[NCONF] = { |
| 75 |
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{ "polaroid", 11, ICS_HVINT|ICS_VREV, 0, 0, 4096, 4096 }, |
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{ "35r", 5, 0, 0, 0, 4096, 4096 }, |
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{ "35f", 7, 0, 39, 692, 4018, 2712 }, |
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{ "sheet", 10, ICS_HVINT|ICS_VREV, 0, 0, 4096, 4096 }, |
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}; |
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#define NEU 3 /* neutral color */ |
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struct filter { |
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float cv[3]; /* filter color vector */ |
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char *fn; /* file name for this color */ |
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FILE *fp; /* stream for this color */ |
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} ftab[4] = { |
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{ {1.0, 0.0, 0.0}, NULL, NULL }, /* red */ |
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{ {0.0, 1.0, 0.0}, NULL, NULL }, /* green */ |
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{ {0.0, 0.0, 1.0}, NULL, NULL }, /* blue */ |
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{ {0.3, 0.59, 0.11}, NULL, NULL }, /* neutral */ |
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}; |
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#define f_val(col,f) ( colval(col,0)*ftab[f].cv[0] + \ |
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colval(col,1)*ftab[f].cv[1] + \ |
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colval(col,2)*ftab[f].cv[2] ) |
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float neumap[] = { /* neutral map, log w/ E6 */ |
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.0, .0, |
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.0004, .059, |
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.0008, .122, |
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.0018, .184, |
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.0033, .247, |
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.0061, .310, |
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.0119, .373, |
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.0202, .435, |
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.0373, .498, |
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.065, .561, |
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.113, .624, |
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.199, .686, |
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.300, .749, |
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.432, .812, |
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.596, .875, |
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.767, .937, |
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1.000, 1.000, |
| 116 |
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}; |
| 117 |
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| 118 |
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| 119 |
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int docolor = 1; /* color? */ |
| 120 |
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| 121 |
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int cftype = C_35FFRA; /* configuration type */ |
| 122 |
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| 123 |
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char *progname; /* program name */ |
| 124 |
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schorsch |
1.5 |
static void settype(char *cname); |
| 126 |
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static void dofile(char *fname); |
| 127 |
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static void d_init(void); |
| 128 |
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static void scanout(COLOR *scan, int y); |
| 129 |
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static void d_done(void); |
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static void runlength(COLOR *scan, int f); |
| 131 |
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static double mapfilter(COLOR col, int f); |
| 132 |
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static void transfer(FILE *fin, FILE *fout); |
| 133 |
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| 134 |
greg |
1.1 |
|
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schorsch |
1.5 |
int |
| 136 |
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main( |
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int argc, |
| 138 |
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char *argv[] |
| 139 |
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) |
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greg |
1.1 |
{ |
| 141 |
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int i; |
| 142 |
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| 143 |
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if (signal(SIGINT, quit) == SIG_IGN) |
| 144 |
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signal(SIGINT, SIG_IGN); |
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schorsch |
1.4 |
#ifdef SIGHUP |
| 146 |
greg |
1.1 |
if (signal(SIGHUP, quit) == SIG_IGN) |
| 147 |
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signal(SIGINT, SIG_IGN); |
| 148 |
schorsch |
1.4 |
#endif |
| 149 |
greg |
1.1 |
signal(SIGTERM, quit); |
| 150 |
schorsch |
1.4 |
#ifdef SIGPIPE |
| 151 |
greg |
1.1 |
signal(SIGPIPE, quit); |
| 152 |
schorsch |
1.4 |
#endif |
| 153 |
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#ifdef SIGXCPU |
| 154 |
greg |
1.1 |
signal(SIGXCPU, quit); |
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schorsch |
1.4 |
#endif |
| 156 |
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#ifdef SIGXFSZ |
| 157 |
greg |
1.1 |
signal(SIGXFSZ, quit); |
| 158 |
schorsch |
1.4 |
#endif |
| 159 |
greg |
1.1 |
|
| 160 |
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progname = argv[0]; |
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| 162 |
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for (i = 1; i < argc && argv[i][0] == '-'; i++) |
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switch (argv[i][1]) { |
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case 'c': /* color */ |
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docolor = 1; |
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break; |
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case 'b': /* black and white */ |
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docolor = 0; |
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break; |
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case 't': /* type */ |
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settype(argv[++i]); |
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break; |
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default: |
| 174 |
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fprintf(stderr, "%s: Unknown option: %s\n", |
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progname, argv[i]); |
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quit(1); |
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break; |
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} |
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if (i < argc) |
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for ( ; i < argc; i++) |
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dofile(argv[i]); |
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else |
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dofile(NULL); |
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quit(0); |
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schorsch |
1.5 |
return 0; /* pro forma return */ |
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greg |
1.1 |
} |
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schorsch |
1.5 |
static void |
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settype( /* set configuration type */ |
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char *cname |
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) |
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greg |
1.1 |
{ |
| 196 |
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for (cftype = 0; cftype < NCONF; cftype++) |
| 197 |
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if (!strcmp(cname, ctab[cftype].name)) |
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return; |
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| 200 |
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fprintf(stderr, "%s: Unknown type: %s\n", progname, cname); |
| 201 |
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quit(1); |
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} |
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greg |
1.3 |
void |
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schorsch |
1.4 |
quit(int code) /* quit program */ |
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greg |
1.1 |
{ |
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int i; |
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for (i = 0; i < 4; i++) |
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if (ftab[i].fn != NULL) |
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unlink(ftab[i].fn); |
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exit(code); |
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} |
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schorsch |
1.5 |
static void |
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dofile( /* convert file to dicomed format */ |
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char *fname |
| 220 |
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) |
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greg |
1.1 |
{ |
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FILE *fin; |
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char sbuf[128]; |
| 224 |
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COLOR scanline[HSIZE]; |
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int i; |
| 226 |
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| 227 |
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if (fname == NULL) { |
| 228 |
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fin = stdin; |
| 229 |
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fname = "<stdin>"; |
| 230 |
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} else if ((fin = fopen(fname, "r")) == NULL) { |
| 231 |
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fprintf(stderr, "%s: Cannot open: %s\n", progname, fname); |
| 232 |
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quit(1); |
| 233 |
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} |
| 234 |
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/* discard header */ |
| 235 |
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while (fgets(sbuf, sizeof(sbuf), fin) != NULL && sbuf[0] != '\n') |
| 236 |
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; |
| 237 |
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/* get picture size */ |
| 238 |
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if (fgets(sbuf, sizeof(sbuf), fin) == NULL || |
| 239 |
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sscanf(sbuf, "-Y %d +X %d\n", &nrows, &ncols) != 2) { |
| 240 |
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fprintf(stderr, "%s: Bad picture size: %s\n", progname, fname); |
| 241 |
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quit(1); |
| 242 |
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} |
| 243 |
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| 244 |
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mult = ctab[cftype].hsiz / ncols; |
| 245 |
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if (ctab[cftype].vsiz / nrows < mult) |
| 246 |
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mult = ctab[cftype].vsiz / nrows; |
| 247 |
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| 248 |
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if (mult < 1) { |
| 249 |
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fprintf(stderr, "%s: Resolution mismatch: %s\n", |
| 250 |
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progname, fname); |
| 251 |
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quit(1); |
| 252 |
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} |
| 253 |
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if (mult > MAXMULT) |
| 254 |
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mult = MAXMULT; /* maximum element size */ |
| 255 |
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| 256 |
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hhome = ctab[cftype].hbeg + (ctab[cftype].hsiz - ncols*mult)/2; |
| 257 |
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vhome = ctab[cftype].vbeg + (ctab[cftype].vsiz - nrows*mult)/2; |
| 258 |
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| 259 |
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d_init(); |
| 260 |
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| 261 |
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for (i = nrows-1; i >= 0; i--) { |
| 262 |
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if (freadscan(scanline, ncols, fin) < 0) { |
| 263 |
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fprintf(stderr, "%s: Read error in row %d: %s\n", |
| 264 |
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progname, i, fname); |
| 265 |
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quit(1); |
| 266 |
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} |
| 267 |
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scanout(scanline, i); |
| 268 |
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} |
| 269 |
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| 270 |
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d_done(); |
| 271 |
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| 272 |
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fclose(fin); |
| 273 |
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} |
| 274 |
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| 275 |
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| 276 |
schorsch |
1.5 |
static void |
| 277 |
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d_init(void) /* set up dicomed, files */ |
| 278 |
greg |
1.1 |
{ |
| 279 |
schorsch |
1.5 |
//char *mktemp(); |
| 280 |
greg |
1.1 |
/* initial condition select */ |
| 281 |
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putw(O_ICS|ctab[cftype].icsfield, stdout); |
| 282 |
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/* configuration code */ |
| 283 |
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putw(O_CONF|ctab[cftype].ccode, stdout); |
| 284 |
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/* select raster mode */ |
| 285 |
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putw(O_ECS|ECS_RAS, stdout); |
| 286 |
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/* color or black and white */ |
| 287 |
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putw(O_ECS|(docolor?ECS_COL:ECS_BW), stdout); |
| 288 |
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/* bypass translation tables */ |
| 289 |
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putw(O_ECS|ECS_BT, stdout); |
| 290 |
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/* point element select */ |
| 291 |
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putw(O_PES|mult<<9|010, stdout); |
| 292 |
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putw(mult<<9|010, stdout); |
| 293 |
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putw(mult<<4|mult, stdout); |
| 294 |
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| 295 |
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if (docolor) { /* color output */ |
| 296 |
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/* set up red file */ |
| 297 |
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if (ftab[RED].fn == NULL) |
| 298 |
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ftab[RED].fn = mktemp(TEMPLATE); |
| 299 |
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if ((ftab[RED].fp = fopen(ftab[RED].fn, "w+")) == NULL) { |
| 300 |
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fprintf(stderr, "%s: Cannot open: %s\n", |
| 301 |
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progname, ftab[RED].fn); |
| 302 |
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quit(1); |
| 303 |
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} |
| 304 |
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putw(O_ECS|ECS_RED, ftab[RED].fp); /* red filter */ |
| 305 |
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putw(O_VPA, ftab[RED].fp); /* home */ |
| 306 |
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putw(hhome<<3, ftab[RED].fp); |
| 307 |
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putw(vhome<<3, ftab[RED].fp); |
| 308 |
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/* set up green file */ |
| 309 |
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ftab[GRN].fp = stdout; |
| 310 |
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putw(O_ECS|ECS_GRN, ftab[GRN].fp); /* green filter */ |
| 311 |
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putw(O_VPA, ftab[GRN].fp); /* home */ |
| 312 |
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putw(hhome<<3, ftab[GRN].fp); |
| 313 |
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putw(vhome<<3, ftab[GRN].fp); |
| 314 |
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/* set up blue file */ |
| 315 |
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if (ftab[BLU].fn == NULL) |
| 316 |
|
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ftab[BLU].fn = mktemp(TEMPLATE); |
| 317 |
|
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if ((ftab[BLU].fp = fopen(ftab[BLU].fn, "w+")) == NULL) { |
| 318 |
|
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fprintf(stderr, "%s: Cannot open: %s\n", |
| 319 |
|
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progname, ftab[BLU].fn); |
| 320 |
|
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quit(1); |
| 321 |
|
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} |
| 322 |
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putw(O_ECS|ECS_BLU, ftab[BLU].fp); /* blue filter */ |
| 323 |
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putw(O_VPA, ftab[BLU].fp); /* home */ |
| 324 |
|
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putw(hhome<<3, ftab[BLU].fp); |
| 325 |
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putw(vhome<<3, ftab[BLU].fp); |
| 326 |
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| 327 |
|
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} else { /* black and white */ |
| 328 |
|
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ftab[NEU].fp = stdout; |
| 329 |
|
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putw(O_ECS|ECS_NEU, ftab[NEU].fp); /* neutral filter */ |
| 330 |
|
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putw(O_VPA, ftab[NEU].fp); /* home */ |
| 331 |
|
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putw(hhome<<3, ftab[NEU].fp); |
| 332 |
|
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putw(vhome<<3, ftab[NEU].fp); |
| 333 |
|
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} |
| 334 |
|
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} |
| 335 |
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| 336 |
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| 337 |
schorsch |
1.5 |
static void |
| 338 |
|
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scanout( /* output scan line */ |
| 339 |
|
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COLOR *scan, |
| 340 |
|
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int y |
| 341 |
|
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) |
| 342 |
greg |
1.1 |
{ |
| 343 |
|
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int i; |
| 344 |
|
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/* uses horiz. flyback */ |
| 345 |
|
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if (docolor) |
| 346 |
|
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for (i = 0; i < 3; i++) |
| 347 |
|
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runlength(scan, i); |
| 348 |
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else |
| 349 |
|
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runlength(scan, NEU); |
| 350 |
|
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} |
| 351 |
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| 352 |
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| 353 |
schorsch |
1.5 |
static void |
| 354 |
|
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d_done(void) /* flush files, finish frame */ |
| 355 |
greg |
1.1 |
{ |
| 356 |
|
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if (docolor) { |
| 357 |
|
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transfer(ftab[RED].fp, stdout); |
| 358 |
|
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transfer(ftab[BLU].fp, stdout); |
| 359 |
|
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} |
| 360 |
|
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putw(O_ECS|ECS_FA, stdout); /* film advance */ |
| 361 |
|
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fflush(stdout); |
| 362 |
|
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if (ferror(stdout)) { |
| 363 |
|
|
fprintf(stderr, "%s: Write error: <stdout>\n", progname); |
| 364 |
|
|
quit(1); |
| 365 |
|
|
} |
| 366 |
|
|
} |
| 367 |
|
|
|
| 368 |
|
|
|
| 369 |
schorsch |
1.5 |
static void |
| 370 |
|
|
runlength( /* do scanline for filter f */ |
| 371 |
|
|
COLOR *scan, |
| 372 |
|
|
int f |
| 373 |
|
|
) |
| 374 |
greg |
1.1 |
{ |
| 375 |
schorsch |
1.5 |
//double mapfilter(); |
| 376 |
greg |
1.1 |
BYTE ebuf[2*HSIZE]; |
| 377 |
|
|
register int j; |
| 378 |
|
|
register BYTE *ep; |
| 379 |
|
|
|
| 380 |
|
|
ep = ebuf; |
| 381 |
|
|
ep[0] = mapfilter(scan[0], f) * 255.9999; |
| 382 |
|
|
ep[1] = 1; |
| 383 |
|
|
ep += 2; |
| 384 |
|
|
for (j = 1; j < ncols; j++) { |
| 385 |
|
|
ep[0] = mapfilter(scan[j], f) * 255.9999; |
| 386 |
|
|
if (ep[0] == ep[-2] && ep[-1] < 255) |
| 387 |
|
|
ep[-1]++; |
| 388 |
|
|
else { |
| 389 |
|
|
ep[1] = 1; |
| 390 |
|
|
ep += 2; |
| 391 |
|
|
} |
| 392 |
|
|
} |
| 393 |
|
|
j = ep - ebuf; |
| 394 |
|
|
putw(O_FES, ftab[f].fp); |
| 395 |
|
|
putw(FES_RL|j>>1, ftab[f].fp); |
| 396 |
|
|
for (ep = ebuf; j-- > 0; ep++) |
| 397 |
|
|
putc(*ep, ftab[f].fp); |
| 398 |
|
|
|
| 399 |
|
|
if (ferror(ftab[f].fp)) { |
| 400 |
|
|
fprintf(stderr, "%s: Write error: %s\n", progname, |
| 401 |
|
|
ftab[f].fn==NULL ? "<stdout>" : ftab[f].fn); |
| 402 |
|
|
quit(1); |
| 403 |
|
|
} |
| 404 |
|
|
} |
| 405 |
|
|
|
| 406 |
|
|
|
| 407 |
schorsch |
1.5 |
static double |
| 408 |
|
|
mapfilter( /* map filter value */ |
| 409 |
|
|
COLOR col, |
| 410 |
|
|
register int f |
| 411 |
|
|
) |
| 412 |
greg |
1.1 |
{ |
| 413 |
|
|
static float *mp[4] = {neumap, neumap, neumap, neumap}; |
| 414 |
|
|
double x, y; |
| 415 |
|
|
|
| 416 |
|
|
y = f_val(col,f); |
| 417 |
|
|
|
| 418 |
|
|
if (y >= 1.0) |
| 419 |
|
|
return(1.0); |
| 420 |
|
|
|
| 421 |
|
|
while (y >= mp[f][2]) |
| 422 |
|
|
mp[f] += 2; |
| 423 |
|
|
while (y < mp[f][0]) |
| 424 |
|
|
mp[f] -= 2; |
| 425 |
|
|
|
| 426 |
|
|
x = (y - mp[f][0]) / (mp[f][2] - mp[f][0]); |
| 427 |
|
|
|
| 428 |
|
|
return((1.0-x)*mp[f][1] + x*mp[f][3]); |
| 429 |
|
|
} |
| 430 |
|
|
|
| 431 |
|
|
|
| 432 |
schorsch |
1.5 |
/* XXX replaces putw() from stdio.h. Do we really need this? */ |
| 433 |
|
|
int |
| 434 |
|
|
putw( /* output a (short) word */ |
| 435 |
|
|
int w, |
| 436 |
|
|
register FILE *fp |
| 437 |
|
|
) |
| 438 |
greg |
1.1 |
{ |
| 439 |
|
|
putc(w&0377, fp); /* in proper order! */ |
| 440 |
|
|
putc(w>>8, fp); |
| 441 |
schorsch |
1.5 |
return 0; |
| 442 |
greg |
1.1 |
} |
| 443 |
|
|
|
| 444 |
|
|
|
| 445 |
schorsch |
1.5 |
static void |
| 446 |
|
|
transfer( /* transfer fin contents to fout, close fin */ |
| 447 |
|
|
register FILE *fin, |
| 448 |
|
|
register FILE *fout |
| 449 |
|
|
) |
| 450 |
greg |
1.1 |
{ |
| 451 |
|
|
register int c; |
| 452 |
|
|
|
| 453 |
|
|
fseek(fin, 0L, 0); /* rewind input */ |
| 454 |
|
|
|
| 455 |
|
|
while ((c = getc(fin)) != EOF) /* transfer file */ |
| 456 |
|
|
putc(c, fout); |
| 457 |
|
|
|
| 458 |
|
|
fclose(fin); /* close input */ |
| 459 |
|
|
} |
