src/px/oki20c.c

#ifndef lint
static const char       RCSid[] = "$Id: oki20c.c,v 2.13 2003/07/27 22:12:03 schorsch Exp $";
#endif
/*
 *  oki20c.c - program to dump pixel file to OkiMate 20 color printer.
 */

#include  <stdio.h>
#include  <time.h>

#include  "platform.h"
#include  "rtprocess.h"
#include  "color.h"
#include  "resolu.h"

#define  NROWS          1440            /* 10" at 144 dpi */
#define  NCOLS          960             /* 8" at 120 dpi */

#define  ASPECT         (120./144.)     /* pixel aspect ratio */

#define  FILTER         "pfilt -1 -x %d -y %d -p %f %s",NCOLS,NROWS,ASPECT

/*
 *  Subtractive primaries are ordered:  Yellow, Magenta, Cyan.
 */

#define  sub_add(sub)   (2-(sub))       /* map subtractive to additive pri. */

long  lpat[NCOLS][3];

int  dofilter = 0;              /* filter through pfilt first? */


main(argc, argv)
int  argc;
char  *argv[];
{
        int  i, status = 0;
        SET_DEFAULT_BINARY();
        SET_FILE_BINARY(stdin);
        SET_FILE_BINARY(stdout);
        if (argc > 1 && !strcmp(argv[1], "-p")) {
                dofilter++;
                argv++; argc--;
        }
        if (argc < 2)
                status = printp(NULL) == -1;
        else
                for (i = 1; i < argc; i++)
                        status += printp(argv[i]) == -1;
        exit(status);
}


printp(fname)                           /* print a picture */
char  *fname;
{
        char  buf[64];
        FILE  *input;
        int  xres, yres;
        COLR  scanline[NCOLS];
        int  i;

        if (dofilter) {
                if (fname == NULL) {
                        sprintf(buf, FILTER, "");
                        fname = "<stdin>";
                } else
                        sprintf(buf, FILTER, fname);
                if ((input = popen(buf, "r")) == NULL) {
                        fprintf(stderr, "Cannot execute: %s\n", buf);
                        return(-1);
                }
        } else if (fname == NULL) {
                input = stdin;
                fname = "<stdin>";
        } else if ((input = fopen(fname, "r")) == NULL) {
                fprintf(stderr, "%s: cannot open\n", fname);
                return(-1);
        }
                                /* discard header */
        if (checkheader(input, COLRFMT, NULL) < 0) {
                fprintf(stderr, "%s: not a Radiance picture\n", fname);
                return(-1);
        }
                                /* get picture dimensions */
        if (fgetresolu(&xres, &yres, input) < 0) {
                fprintf(stderr, "%s: bad picture size\n", fname);
                return(-1);
        }
        if (xres > NCOLS) {
                fprintf(stderr, "%s: resolution mismatch\n", fname);
                return(-1);
        }
                                /* set line spacing (overlap for knitting) */
        fputs("\0333\042", stdout);
                                /* put out scanlines */
        for (i = yres-1; i >= 0; i--) {
                if (freadcolrs(scanline, xres, input) < 0) {
                        fprintf(stderr, "%s: read error (y=%d)\n", fname, i);
                        return(-1);
                }
                normcolrs(scanline, xres, 0);
                plotscan(scanline, xres, i);
        }
                                /* advance page */
        putchar('\f');
        
        if (dofilter)
                pclose(input);
        else
                fclose(input);

        return(0);
}


plotscan(scan, len, y)                  /* plot a scanline */
COLR  scan[];
int  len;
int  y;
{
        int  bpos;
        register long  c;
        register int  i, j;

        if ( (bpos = y % 23) ) {

                for (j = 0; j < 3; j++)
                        for (i = 0; i < len; i++)
                                lpat[i][j] |= (long)colbit(scan[i],i,j) << bpos;
                return;
        }
        fputs("\033\031", stdout);

        for (j = 0; j < 3; j++) {
                i = (NCOLS + len)/2;            /* center image */
                fputs("\033%O", stdout);
                putchar(i & 255);
                putchar(i >> 8);
                while (i-- > len) {
                        putchar(0);
                        putchar(0);
                        putchar(0);
                }
                for (i = 0; i < len; i++) {
                        c = lpat[i][j] | colbit(scan[i],i,j);
                        putchar((int)(c>>16));
                        putchar((int)(c>>8 & 255));
                        putchar((int)(c & 255));
                        if (y)                  /* repeat this row */
                                lpat[i][j] = (c & 1) << 23;
                        else                    /* or clear for next image */
                                lpat[i][j] = 0L;
                }
                putchar('\r');
        }
        putchar('\n');
        fflush(stdout);
}


colbit(col, x, s)               /* determine bit value for primary at x */
COLR  col;
register int  x;
int  s;
{
        static int  cerr[NCOLS][3];
        static int  err[3];
        int  b, errp;
        register int  a, ison;

        a = sub_add(s);                 /* use additive primary */
        b = col[a];
        errp = err[a];
        err[a] += b + cerr[x][a];
        ison = err[a] < 128;
        if (!ison) err[a] -= 256;
        err[a] /= 3;
        cerr[x][a] = err[a] + errp;
        return(ison);
}
Revision:	2.14
Committed:	Mon Oct 27 10:24:51 2003 UTC (20 years, 6 months ago) by schorsch
Content type:	text/plain
Branch:	MAIN
Changes since 2.13:	+2 -3 lines
Log Message:	Various compatibility fixes.
#	User	Rev	Content
1	greg	1.1	#ifndef lint
2	schorsch	2.14	static const char RCSid[] = "$Id: oki20c.c,v 2.13 2003/07/27 22:12:03 schorsch Exp $";
3	greg	1.1	#endif
4			/*
5			* oki20c.c - program to dump pixel file to OkiMate 20 color printer.
6			*/
7
8			#include <stdio.h>
9	greg	2.11	#include <time.h>
10	greg	1.1
11	schorsch	2.12	#include "platform.h"
12	schorsch	2.14	#include "rtprocess.h"
13	greg	1.1	#include "color.h"
14	greg	1.12	#include "resolu.h"
15	greg	1.1
16	greg	2.9	#define NROWS 1440 /* 10" at 144 dpi */
17			#define NCOLS 960 /* 8" at 120 dpi */
18	greg	1.1
19	greg	2.9	#define ASPECT (120./144.) /* pixel aspect ratio */
20	greg	2.3
21	greg	2.9	#define FILTER "pfilt -1 -x %d -y %d -p %f %s",NCOLS,NROWS,ASPECT
22	greg	2.3
23	greg	1.1	/*
24	greg	2.9	* Subtractive primaries are ordered: Yellow, Magenta, Cyan.
25	greg	1.1	*/
26
27	greg	2.9	#define sub_add(sub) (2-(sub)) /* map subtractive to additive pri. */
28	greg	1.1
29	greg	1.9	long lpat[NCOLS][3];
30
31	greg	2.3	int dofilter = 0; /* filter through pfilt first? */
32
33	greg	2.9
34	greg	1.1	main(argc, argv)
35			int argc;
36			char *argv[];
37			{
38			int i, status = 0;
39	schorsch	2.12	SET_DEFAULT_BINARY();
40			SET_FILE_BINARY(stdin);
41			SET_FILE_BINARY(stdout);
42	greg	2.3	if (argc > 1 && !strcmp(argv[1], "-p")) {
43			dofilter++;
44			argv++; argc--;
45			}
46	greg	1.1	if (argc < 2)
47			status = printp(NULL) == -1;
48			else
49			for (i = 1; i < argc; i++)
50			status += printp(argv[i]) == -1;
51			exit(status);
52			}
53
54
55			printp(fname) /* print a picture */
56			char *fname;
57			{
58	greg	2.3	char buf[64];
59	greg	1.1	FILE *input;
60			int xres, yres;
61	greg	1.6	COLR scanline[NCOLS];
62	greg	1.1	int i;
63
64	greg	2.3	if (dofilter) {
65	greg	2.6	if (fname == NULL) {
66			sprintf(buf, FILTER, "");
67			fname = "<stdin>";
68			} else
69			sprintf(buf, FILTER, fname);
70	greg	2.3	if ((input = popen(buf, "r")) == NULL) {
71			fprintf(stderr, "Cannot execute: %s\n", buf);
72			return(-1);
73			}
74			} else if (fname == NULL) {
75	greg	1.1	input = stdin;
76			fname = "<stdin>";
77			} else if ((input = fopen(fname, "r")) == NULL) {
78			fprintf(stderr, "%s: cannot open\n", fname);
79			return(-1);
80			}
81			/* discard header */
82	greg	1.10	if (checkheader(input, COLRFMT, NULL) < 0) {
83			fprintf(stderr, "%s: not a Radiance picture\n", fname);
84			return(-1);
85			}
86	greg	1.1	/* get picture dimensions */
87	greg	1.12	if (fgetresolu(&xres, &yres, input) < 0) {
88	greg	1.1	fprintf(stderr, "%s: bad picture size\n", fname);
89			return(-1);
90			}
91	greg	2.7	if (xres > NCOLS) {
92	greg	1.1	fprintf(stderr, "%s: resolution mismatch\n", fname);
93			return(-1);
94			}
95	greg	1.3	/* set line spacing (overlap for knitting) */
96	greg	1.5	fputs("\0333\042", stdout);
97	greg	1.3	/* put out scanlines */
98	greg	1.1	for (i = yres-1; i >= 0; i--) {
99	greg	1.6	if (freadcolrs(scanline, xres, input) < 0) {
100	greg	1.1	fprintf(stderr, "%s: read error (y=%d)\n", fname, i);
101			return(-1);
102			}
103	greg	1.8	normcolrs(scanline, xres, 0);
104	greg	1.1	plotscan(scanline, xres, i);
105			}
106	greg	1.3	/* advance page */
107	greg	1.1	putchar('\f');
108
109	greg	2.3	if (dofilter)
110			pclose(input);
111			else
112			fclose(input);
113	greg	1.1
114			return(0);
115	greg	1.6	}
116
117
118	greg	1.1	plotscan(scan, len, y) /* plot a scanline */
119	greg	1.6	COLR scan[];
120	greg	1.1	int len;
121			int y;
122			{
123			int bpos;
124			register long c;
125			register int i, j;
126
127	schorsch	2.13	if ( (bpos = y % 23) ) {
128	greg	1.1
129	greg	1.5	for (j = 0; j < 3; j++)
130			for (i = 0; i < len; i++)
131	greg	1.9	lpat[i][j] \|= (long)colbit(scan[i],i,j) << bpos;
132	greg	2.8	return;
133			}
134			fputs("\033\031", stdout);
135	greg	1.1
136	greg	2.8	for (j = 0; j < 3; j++) {
137			i = (NCOLS + len)/2; /* center image */
138			fputs("\033%O", stdout);
139			putchar(i & 255);
140			putchar(i >> 8);
141			while (i-- > len) {
142			putchar(0);
143			putchar(0);
144			putchar(0);
145			}
146			for (i = 0; i < len; i++) {
147			c = lpat[i][j] \| colbit(scan[i],i,j);
148	greg	2.9	putchar((int)(c>>16));
149			putchar((int)(c>>8 & 255));
150			putchar((int)(c & 255));
151	greg	2.8	if (y) /* repeat this row */
152	greg	1.9	lpat[i][j] = (c & 1) << 23;
153	greg	2.8	else /* or clear for next image */
154			lpat[i][j] = 0L;
155	greg	1.1	}
156	greg	2.8	putchar('\r');
157	greg	1.1	}
158	greg	2.8	putchar('\n');
159			fflush(stdout);
160	greg	1.1	}
161
162
163			colbit(col, x, s) /* determine bit value for primary at x */
164	greg	1.6	COLR col;
165	greg	1.1	register int x;
166			int s;
167			{
168	greg	1.6	static int cerr[NCOLS][3];
169	greg	2.2	static int err[3];
170			int b, errp;
171	greg	1.1	register int a, ison;
172
173			a = sub_add(s); /* use additive primary */
174	greg	1.6	b = col[a];
175	greg	2.2	errp = err[a];
176	greg	1.1	err[a] += b + cerr[x][a];
177	greg	1.6	ison = err[a] < 128;
178			if (!ison) err[a] -= 256;
179	greg	1.11	err[a] /= 3;
180	greg	2.2	cerr[x][a] = err[a] + errp;
181	greg	1.1	return(ison);
182			}