src/px/oki20.c

#ifndef lint
static const char       RCSid[] = "$Id: oki20.c,v 2.11 2003/10/27 10:24:51 schorsch Exp $";
#endif
/*
 *  oki20.c - program to dump pixel file to OkiMate 20 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",NCOLS,NROWS,ASPECT
#define  FILTER_F       "pfilt -1 -x %d -y %d -p %f \"%s\"",NCOLS,NROWS,ASPECT

long  lpat[NCOLS];

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[PATH_MAX];
        FILE  *input;
        int  xres, yres;
        COLR  scanline[NCOLS];
        int  i;

        if (dofilter) {
                if (fname == NULL) {
                        sprintf(buf, FILTER);
                        fname = "<stdin>";
                } else
                        sprintf(buf, FILTER_F, 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\022", 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, start, end;
        register long  c;
        register int  i;

        bpos = y % 23;
        for (i = 0; i < len; i++)
                lpat[i] |= (long)bit(scan[i],i) << bpos;

        if (bpos)
                return;
                                /* find limits of non-zero print buffer */
        for (i = 0; lpat[i] == 0; i++)
                if (i == len-1) {
                        putchar('\n');
                        return;
                }
        start = i - i%12;
        i = len;
        while (lpat[--i] == 0)
                ;
        end = i;
                                /* skip to start position */
        for (i = start/12; i-- > 0; )
                putchar(' ');
                                /* print non-zero portion of buffer */
        fputs("\033%O", stdout);
        i = end+1-start;
        putchar(i & 255);
        putchar(i >> 8);
        for (i = start; i <= end; i++) {
                c = lpat[i];
                putchar((int)(c>>16));
                putchar((int)(c>>8 & 255));
                putchar((int)(c & 255));
                if (y)                  /* repeat this row next time */
                        lpat[i] = (c & 1) << 23;
                else                    /* or clear for next image */
                        lpat[i] = 0L;
        }
        putchar('\r');
        putchar('\n');
        fflush(stdout);
}


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

        b = normbright(col);
        errp = err;
        err += b + cerr[x];
        ison = err < 128;
        if (!ison) err -= 256;
        err /= 3;
        cerr[x] = err + errp;
        return(ison);
}
Revision:	2.12
Committed:	Mon Nov 10 12:28:56 2003 UTC (20 years, 5 months ago) by schorsch
Content type:	text/plain
Branch:	MAIN
Changes since 2.11:	+6 -5 lines
Log Message:	Fixed size of command line buffers, and allow spaces in input file paths.
#	User	Rev	Content
1	greg	2.1	#ifndef lint
2	schorsch	2.12	static const char RCSid[] = "$Id: oki20.c,v 2.11 2003/10/27 10:24:51 schorsch Exp $";
3	greg	2.1	#endif
4			/*
5	greg	2.7	* oki20.c - program to dump pixel file to OkiMate 20 printer.
6	greg	2.1	*/
7
8			#include <stdio.h>
9	greg	2.9	#include <time.h>
10	greg	2.1
11	schorsch	2.10	#include "platform.h"
12	schorsch	2.11	#include "rtprocess.h"
13	greg	2.1	#include "color.h"
14			#include "resolu.h"
15
16	greg	2.6	#define NROWS 1440 /* 10" at 144 dpi */
17			#define NCOLS 960 /* 8" at 120 dpi */
18	greg	2.1
19	greg	2.6	#define ASPECT (120./144.) /* pixel aspect ratio */
20	greg	2.1
21	schorsch	2.12	#define FILTER "pfilt -1 -x %d -y %d -p %f",NCOLS,NROWS,ASPECT
22			#define FILTER_F "pfilt -1 -x %d -y %d -p %f \"%s\"",NCOLS,NROWS,ASPECT
23	greg	2.1
24			long lpat[NCOLS];
25
26			int dofilter = 0; /* filter through pfilt first? */
27
28	greg	2.6
29	greg	2.1	main(argc, argv)
30			int argc;
31			char *argv[];
32			{
33			int i, status = 0;
34	schorsch	2.10	SET_DEFAULT_BINARY();
35			SET_FILE_BINARY(stdin);
36			SET_FILE_BINARY(stdout);
37	greg	2.1	if (argc > 1 && !strcmp(argv[1], "-p")) {
38			dofilter++;
39			argv++; argc--;
40			}
41			if (argc < 2)
42			status = printp(NULL) == -1;
43			else
44			for (i = 1; i < argc; i++)
45			status += printp(argv[i]) == -1;
46			exit(status);
47			}
48
49
50			printp(fname) /* print a picture */
51			char *fname;
52			{
53	schorsch	2.12	char buf[PATH_MAX];
54	greg	2.1	FILE *input;
55			int xres, yres;
56			COLR scanline[NCOLS];
57			int i;
58
59			if (dofilter) {
60	greg	2.2	if (fname == NULL) {
61	schorsch	2.12	sprintf(buf, FILTER);
62	greg	2.2	fname = "<stdin>";
63			} else
64	schorsch	2.12	sprintf(buf, FILTER_F, fname);
65	greg	2.1	if ((input = popen(buf, "r")) == NULL) {
66			fprintf(stderr, "Cannot execute: %s\n", buf);
67			return(-1);
68			}
69			} else if (fname == NULL) {
70			input = stdin;
71			fname = "<stdin>";
72			} else if ((input = fopen(fname, "r")) == NULL) {
73			fprintf(stderr, "%s: cannot open\n", fname);
74			return(-1);
75			}
76			/* discard header */
77			if (checkheader(input, COLRFMT, NULL) < 0) {
78			fprintf(stderr, "%s: not a Radiance picture\n", fname);
79			return(-1);
80			}
81			/* get picture dimensions */
82			if (fgetresolu(&xres, &yres, input) < 0) {
83			fprintf(stderr, "%s: bad picture size\n", fname);
84			return(-1);
85			}
86	greg	2.3	if (xres > NCOLS) {
87	greg	2.1	fprintf(stderr, "%s: resolution mismatch\n", fname);
88			return(-1);
89			}
90			/* set line spacing (overlap for knitting) */
91	greg	2.4	fputs("\0333\042\022", stdout);
92	greg	2.1	/* put out scanlines */
93			for (i = yres-1; i >= 0; i--) {
94			if (freadcolrs(scanline, xres, input) < 0) {
95			fprintf(stderr, "%s: read error (y=%d)\n", fname, i);
96			return(-1);
97			}
98			normcolrs(scanline, xres, 0);
99			plotscan(scanline, xres, i);
100			}
101			/* advance page */
102			putchar('\f');
103
104			if (dofilter)
105			pclose(input);
106			else
107			fclose(input);
108
109			return(0);
110			}
111
112
113			plotscan(scan, len, y) /* plot a scanline */
114			COLR scan[];
115			int len;
116			int y;
117			{
118	greg	2.4	int bpos, start, end;
119	greg	2.1	register long c;
120			register int i;
121
122	greg	2.4	bpos = y % 23;
123			for (i = 0; i < len; i++)
124			lpat[i] \|= (long)bit(scan[i],i) << bpos;
125	greg	2.1
126	greg	2.4	if (bpos)
127			return;
128			/* find limits of non-zero print buffer */
129			for (i = 0; lpat[i] == 0; i++)
130			if (i == len-1) {
131			putchar('\n');
132			return;
133	greg	2.1	}
134	greg	2.4	start = i - i%12;
135			i = len;
136			while (lpat[--i] == 0)
137			;
138			end = i;
139			/* skip to start position */
140			for (i = start/12; i-- > 0; )
141			putchar(' ');
142			/* print non-zero portion of buffer */
143			fputs("\033%O", stdout);
144			i = end+1-start;
145			putchar(i & 255);
146			putchar(i >> 8);
147			for (i = start; i <= end; i++) {
148			c = lpat[i];
149	greg	2.6	putchar((int)(c>>16));
150			putchar((int)(c>>8 & 255));
151			putchar((int)(c & 255));
152	greg	2.5	if (y) /* repeat this row next time */
153			lpat[i] = (c & 1) << 23;
154			else /* or clear for next image */
155			lpat[i] = 0L;
156	greg	2.1	}
157	greg	2.4	putchar('\r');
158			putchar('\n');
159			fflush(stdout);
160	greg	2.1	}
161
162
163			bit(col, x) /* determine bit value for pixel at x */
164			COLR col;
165			register int x;
166			{
167			static int cerr[NCOLS];
168			static int err;
169			int b, errp;
170			register int ison;
171
172			b = normbright(col);
173			errp = err;
174			err += b + cerr[x];
175			ison = err < 128;
176			if (!ison) err -= 256;
177			err /= 3;
178			cerr[x] = err + errp;
179			return(ison);
180			}