src/px/pcompos.c

/* Copyright (c) 1991 Regents of the University of California */

#ifndef lint
static char SCCSid[] = "$SunId$ LBL";
#endif

/*
 *  pcompos.c - program to composite pictures.
 *
 *     6/30/87
 */

#include  <stdio.h>

#include  "color.h"

#include  "resolu.h"

#define  MAXFILE        64

                                        /* output picture size */
int  xsiz = 0;
int  ysiz = 0;
                                        /* input dimensions */
int  xmin = 0;
int  ymin = 0;
int  xmax = 0;
int  ymax = 0;

COLR  bgcolr = BLKCOLR;                 /* background color */

int  labelht = 24;                      /* label height */

int  checkthresh = 0;                   /* check threshold value */

char  *progname;

struct {
        char  *name;                    /* file or command name */
        FILE  *fp;                      /* stream pointer */
        int  xres, yres;                /* picture size */
        int  xloc, yloc;                /* anchor point */
        int  hasmin, hasmax;            /* has threshold values */
        COLR  thmin, thmax;             /* thresholds */
} input[MAXFILE];               /* our input files */

int  nfile;                     /* number of files */

int  wrongformat = 0;

FILE  *popen(), *lblopen();


tabputs(s)                      /* print line preceded by a tab */
char  *s;
{
        char  fmt[32];

        if (isformat(s)) {
                formatval(fmt, s);
                wrongformat = strcmp(fmt, COLRFMT);
        } else {
                putc('\t', stdout);
                fputs(s, stdout);
        }
}


main(argc, argv)
int  argc;
char  *argv[];
{
        int  ncolumns = 0;
        int  autolabel = 0;
        int  curcol = 0, curx = 0, cury = 0;
        char  *thislabel;
        int  an;

        progname = argv[0];

        for (an = 1; an < argc && argv[an][0] == '-'; an++)
                switch (argv[an][1]) {
                case 'x':
                        xmax = xsiz = atoi(argv[++an]);
                        break;
                case 'y':
                        ymax = ysiz = atoi(argv[++an]);
                        break;
                case 'b':
                        setcolr(bgcolr, atof(argv[an+1]),
                                        atof(argv[an+2]),
                                        atof(argv[an+3]));
                        an += 3;
                        break;
                case 'a':
                        ncolumns = atoi(argv[++an]);
                        break;
                case 'l':
                        switch (argv[an][2]) {
                        case 'a':
                                autolabel++;
                                break;
                        case 'h':
                                labelht = atoi(argv[++an]);
                                break;
                        case '\0':
                                goto dofiles;
                        default:
                                goto userr;
                        }
                        break;
                case '\0':
                case 't':
                        goto dofiles;
                default:
                        goto userr;
                }
dofiles:
        if (ysiz > 0 & ncolumns > 0) {
                fprintf(stderr, "%s: -a option incompatible with -y\n",
                                progname);
                quit(1);
        }
        for (nfile = 0; an < argc; nfile++) {
                if (nfile >= MAXFILE)
                        goto toomany;
                thislabel = NULL;
                input[nfile].hasmin = input[nfile].hasmax = 0;
                while (an < argc && (argv[an][0] == '-' || argv[an][0] == '+'))
                        switch (argv[an][1]) {
                        case 't':
                                checkthresh = 1;
                                if (argv[an][0] == '-') {
                                        input[nfile].hasmin = 1;
                                        setcolr(input[nfile].thmin,
                                                        atof(argv[an+1]),
                                                        atof(argv[an+1]),
                                                        atof(argv[an+1]));
                                } else {
                                        input[nfile].hasmax = 1;
                                        setcolr(input[nfile].thmax,
                                                        atof(argv[an+1]),
                                                        atof(argv[an+1]),
                                                        atof(argv[an+1]));
                                }
                                an += 2;
                                break;
                        case 'l':
                                if (strcmp(argv[an], "-l"))
                                        goto userr;
                                thislabel = argv[an+1];
                                an += 2;
                                break;
                        case '\0':
                                if (argv[an][0] == '-')
                                        goto getfile;
                                goto userr;
                        default:
                                goto userr;
                        }
getfile:
                if (argc-an < (ncolumns ? 1 : 3))
                        goto userr;
                if (autolabel && thislabel == NULL)
                        thislabel = argv[an];
                if (!strcmp(argv[an], "-")) {
                        input[nfile].name = "<stdin>";
                        input[nfile].fp = stdin;
                } else {
                        if (argv[an][0] == '!') {
                                input[nfile].name = "<Command>";
                                input[nfile].fp = popen(argv[an]+1, "r");
                        } else {
                                input[nfile].name = argv[an];
                                input[nfile].fp = fopen(argv[an], "r");
                        }
                        if (input[nfile].fp == NULL) {
                                perror(argv[an]);
                                quit(1);
                        }
                }
                an++;
                                                /* get header */
                printf("%s:\n", input[nfile].name);
                getheader(input[nfile].fp, tabputs, NULL);
                if (wrongformat) {
                        fprintf(stderr, "%s: not a Radiance picture\n",
                                        input[nfile].name);
                        quit(1);
                }
                                                /* get picture size */
                if (fgetresolu(&input[nfile].xres, &input[nfile].yres,
                                input[nfile].fp) < 0) {
                        fprintf(stderr, "%s: bad picture size\n",
                                        input[nfile].name);
                        quit(1);
                }
                if (ncolumns > 0) {
                        if (curcol >= ncolumns) {
                                cury = ymax;
                                curx = 0;
                                curcol = 0;
                        }
                        input[nfile].xloc = curx;
                        input[nfile].yloc = cury;
                        curx += input[nfile].xres;
                        curcol++;
                } else {
                        input[nfile].xloc = atoi(argv[an++]);
                        input[nfile].yloc = atoi(argv[an++]);
                }
                if (input[nfile].xloc < xmin)
                        xmin = input[nfile].xloc;
                if (input[nfile].yloc < ymin)
                        ymin = input[nfile].yloc;
                if (input[nfile].xloc+input[nfile].xres > xmax)
                        xmax = input[nfile].xloc+input[nfile].xres;
                if (input[nfile].yloc+input[nfile].yres > ymax)
                        ymax = input[nfile].yloc+input[nfile].yres;
                if (thislabel != NULL) {
                        if (++nfile >= MAXFILE)
                                goto toomany;
                        input[nfile].name = "<Label>";
                        input[nfile].hasmin = input[nfile].hasmax = 0;
                        input[nfile].xres = input[nfile-1].xres;
                        input[nfile].yres = labelht;
                        if ((input[nfile].fp = lblopen(thislabel,
                                        &input[nfile].xres,
                                        &input[nfile].yres)) == NULL)
                                goto labelerr;
                        input[nfile].xloc = input[nfile-1].xloc;
                        input[nfile].yloc = input[nfile-1].yloc +
                                        input[nfile-1].yres-input[nfile].yres;
                }
        }
        if (xsiz <= 0)
                xsiz = xmax;
        if (ysiz <= 0)
                ysiz = ymax;
                                        /* add new header info. */
        printargs(argc, argv, stdout);
        fputformat(COLRFMT, stdout);
        putchar('\n');
        fprtresolu(xsiz, ysiz, stdout);

        compos();
        
        quit(0);
userr:
        fprintf(stderr, "Usage: %s [-x xr][-y yr][-b r g b][-a n][-la][-lh h] ",
                        progname);
        fprintf(stderr, "[-t min1][+t max1][-l lab] pic1 x1 y1 ..\n");
        quit(1);
toomany:
        fprintf(stderr, "%s: only %d files and labels allowed\n",
                        progname, MAXFILE);
        quit(1);
labelerr:
        fprintf(stderr, "%s: error opening label\n", progname);
        quit(1);
}


compos()                                /* composite pictures */
{
        COLR  *scanin, *scanout;
        int  y;
        register int  x, i;

        scanin = (COLR *)malloc((xmax-xmin)*sizeof(COLR));
        if (scanin == NULL)
                goto memerr;
        scanin -= xmin;
        if (checkthresh) {
                scanout = (COLR *)malloc(xsiz*sizeof(COLR));
                if (scanout == NULL)
                        goto memerr;
        } else
                scanout = scanin;
        for (y = ymax-1; y >= 0; y--) {
                for (x = 0; x < xsiz; x++)
                        copycolr(scanout[x], bgcolr);
                for (i = 0; i < nfile; i++) {
                        if (input[i].yloc > y ||
                                        input[i].yloc+input[i].yres <= y)
                                continue;
                        if (freadcolrs(scanin+input[i].xloc,
                                        input[i].xres, input[i].fp) < 0) {
                                fprintf(stderr, "%s: read error (y==%d)\n",
                                                input[i].name,
                                                y-input[i].yloc);
                                quit(1);
                        }
                        if (y >= ysiz)
                                continue;
                        if (checkthresh) {
                                x = input[i].xloc+input[i].xres;
                                if (x > xsiz)
                                        x = xsiz;
                                for (x--; x >= 0 && x >= input[i].xloc; x--) {
                                        if (input[i].hasmin &&
                                        cmpcolr(scanin[x], input[i].thmin) <= 0)
                                                continue;
                                        if (input[i].hasmax &&
                                        cmpcolr(scanin[x], input[i].thmax) >= 0)
                                                continue;
                                        copycolr(scanout[x], scanin[x]);
                                }
                        }
                }
                if (y >= ysiz)
                        continue;
                if (fwritecolrs(scanout, xsiz, stdout) < 0) {
                        perror(progname);
                        quit(1);
                }
        }
        return;
memerr:
        perror(progname);
        quit(1);
}


int
cmpcolr(c1, c2)                 /* compare two colr's (improvisation) */
register COLR  c1, c2;
{
        register int  i, j;

        j = 4;                          /* check exponents first! */
        while (j--)
                if (i = c1[j] - c2[j])
                        return(i);
        return(0);
}


FILE *
lblopen(s, xp, yp)              /* open pipe to label generator */
char  *s;
int  *xp, *yp;
{
        char  com[128];
        FILE  *fp;

        sprintf(com, "psign -s -.15 -a 2 -x %d -y %d '%.90s'", *xp, *yp, s);
        if ((fp = popen(com, "r")) == NULL)
                return(NULL);
        if (checkheader(fp, COLRFMT, NULL) < 0)
                goto err;
        if (fgetresolu(xp, yp, fp) < 0)
                goto err;
        return(fp);
err:
        pclose(fp);
        return(NULL);
}


quit(code)              /* exit gracefully */
int  code;
{
        int  status;

        if (code == 0)                  /* reap any children */
                while (wait(&status) != -1)
                        if (code == 0)
                                code = status>>8 & 0xff;
        exit(code);
}
Revision:	2.10
Committed:	Tue Aug 11 18:40:57 1992 UTC (31 years, 8 months ago) by greg
Content type:	text/plain
Branch:	MAIN
Changes since 2.9:	+5 -0 lines
Log Message:	added error message about using -a with -y
#	User	Rev	Content
1	greg	1.7	/* Copyright (c) 1991 Regents of the University of California */
2	greg	1.1
3			#ifndef lint
4			static char SCCSid[] = "$SunId$ LBL";
5			#endif
6
7			/*
8			* pcompos.c - program to composite pictures.
9			*
10			* 6/30/87
11			*/
12
13			#include <stdio.h>
14
15			#include "color.h"
16
17	greg	1.10	#include "resolu.h"
18	greg	1.1
19	greg	2.8	#define MAXFILE 64
20	greg	1.1
21			/* output picture size */
22			int xsiz = 0;
23			int ysiz = 0;
24			/* input dimensions */
25			int xmin = 0;
26			int ymin = 0;
27			int xmax = 0;
28			int ymax = 0;
29
30			COLR bgcolr = BLKCOLR; /* background color */
31
32	greg	1.9	int labelht = 24; /* label height */
33
34	greg	1.1	int checkthresh = 0; /* check threshold value */
35
36			char *progname;
37
38			struct {
39	greg	1.7	char name; / file or command name */
40	greg	1.1	FILE fp; / stream pointer */
41			int xres, yres; /* picture size */
42			int xloc, yloc; /* anchor point */
43			int hasmin, hasmax; /* has threshold values */
44			COLR thmin, thmax; /* thresholds */
45			} input[MAXFILE]; /* our input files */
46
47			int nfile; /* number of files */
48
49	greg	1.6	int wrongformat = 0;
50	greg	1.1
51	greg	1.9	FILE popen(), lblopen();
52	greg	1.6
53	greg	1.7
54	greg	1.1	tabputs(s) /* print line preceded by a tab */
55			char *s;
56			{
57	greg	1.6	char fmt[32];
58
59			if (isformat(s)) {
60			formatval(fmt, s);
61			wrongformat = strcmp(fmt, COLRFMT);
62			} else {
63			putc('\t', stdout);
64			fputs(s, stdout);
65			}
66	greg	1.1	}
67
68
69			main(argc, argv)
70			int argc;
71			char *argv[];
72			{
73	greg	1.7	int ncolumns = 0;
74	greg	1.9	int autolabel = 0;
75	greg	1.7	int curcol = 0, curx = 0, cury = 0;
76	greg	1.9	char *thislabel;
77	greg	1.1	int an;
78
79			progname = argv[0];
80
81			for (an = 1; an < argc && argv[an][0] == '-'; an++)
82			switch (argv[an][1]) {
83			case 'x':
84			xmax = xsiz = atoi(argv[++an]);
85			break;
86			case 'y':
87			ymax = ysiz = atoi(argv[++an]);
88			break;
89			case 'b':
90			setcolr(bgcolr, atof(argv[an+1]),
91			atof(argv[an+2]),
92			atof(argv[an+3]));
93			an += 3;
94			break;
95	greg	1.7	case 'a':
96			ncolumns = atoi(argv[++an]);
97			break;
98			case 'l':
99	greg	1.9	switch (argv[an][2]) {
100			case 'a':
101			autolabel++;
102			break;
103			case 'h':
104			labelht = atoi(argv[++an]);
105			break;
106			case '\0':
107			goto dofiles;
108			default:
109			goto userr;
110			}
111	greg	1.7	break;
112	greg	1.1	case '\0':
113			case 't':
114			goto dofiles;
115			default:
116			goto userr;
117			}
118			dofiles:
119	greg	2.10	if (ysiz > 0 & ncolumns > 0) {
120			fprintf(stderr, "%s: -a option incompatible with -y\n",
121			progname);
122			quit(1);
123			}
124	greg	1.1	for (nfile = 0; an < argc; nfile++) {
125	greg	1.9	if (nfile >= MAXFILE)
126			goto toomany;
127	greg	2.6	thislabel = NULL;
128	greg	1.1	input[nfile].hasmin = input[nfile].hasmax = 0;
129			while (an < argc && (argv[an][0] == '-' \|\| argv[an][0] == '+'))
130			switch (argv[an][1]) {
131			case 't':
132			checkthresh = 1;
133			if (argv[an][0] == '-') {
134			input[nfile].hasmin = 1;
135			setcolr(input[nfile].thmin,
136			atof(argv[an+1]),
137			atof(argv[an+1]),
138			atof(argv[an+1]));
139			} else {
140			input[nfile].hasmax = 1;
141			setcolr(input[nfile].thmax,
142			atof(argv[an+1]),
143			atof(argv[an+1]),
144			atof(argv[an+1]));
145			}
146			an += 2;
147			break;
148	greg	1.9	case 'l':
149			if (strcmp(argv[an], "-l"))
150			goto userr;
151	greg	2.3	thislabel = argv[an+1];
152			an += 2;
153	greg	1.9	break;
154	greg	1.1	case '\0':
155			if (argv[an][0] == '-')
156			goto getfile;
157	greg	1.9	goto userr;
158	greg	1.1	default:
159			goto userr;
160			}
161			getfile:
162	greg	1.7	if (argc-an < (ncolumns ? 1 : 3))
163	greg	1.1	goto userr;
164	greg	2.6	if (autolabel && thislabel == NULL)
165			thislabel = argv[an];
166	greg	1.1	if (!strcmp(argv[an], "-")) {
167			input[nfile].name = "<stdin>";
168			input[nfile].fp = stdin;
169			} else {
170	greg	2.4	if (argv[an][0] == '!') {
171			input[nfile].name = "<Command>";
172			input[nfile].fp = popen(argv[an]+1, "r");
173			} else {
174			input[nfile].name = argv[an];
175			input[nfile].fp = fopen(argv[an], "r");
176			}
177			if (input[nfile].fp == NULL) {
178	greg	1.5	perror(argv[an]);
179	greg	1.1	quit(1);
180			}
181			}
182			an++;
183			/* get header */
184			printf("%s:\n", input[nfile].name);
185	greg	1.6	getheader(input[nfile].fp, tabputs, NULL);
186			if (wrongformat) {
187			fprintf(stderr, "%s: not a Radiance picture\n",
188			input[nfile].name);
189			quit(1);
190			}
191	greg	1.1	/* get picture size */
192	greg	1.4	if (fgetresolu(&input[nfile].xres, &input[nfile].yres,
193	greg	1.10	input[nfile].fp) < 0) {
194	greg	1.1	fprintf(stderr, "%s: bad picture size\n",
195			input[nfile].name);
196			quit(1);
197			}
198	greg	1.7	if (ncolumns > 0) {
199			if (curcol >= ncolumns) {
200			cury = ymax;
201			curx = 0;
202			curcol = 0;
203			}
204			input[nfile].xloc = curx;
205			input[nfile].yloc = cury;
206			curx += input[nfile].xres;
207			curcol++;
208			} else {
209			input[nfile].xloc = atoi(argv[an++]);
210			input[nfile].yloc = atoi(argv[an++]);
211			}
212	greg	1.1	if (input[nfile].xloc < xmin)
213			xmin = input[nfile].xloc;
214			if (input[nfile].yloc < ymin)
215			ymin = input[nfile].yloc;
216			if (input[nfile].xloc+input[nfile].xres > xmax)
217			xmax = input[nfile].xloc+input[nfile].xres;
218			if (input[nfile].yloc+input[nfile].yres > ymax)
219			ymax = input[nfile].yloc+input[nfile].yres;
220	greg	1.9	if (thislabel != NULL) {
221			if (++nfile >= MAXFILE)
222			goto toomany;
223			input[nfile].name = "<Label>";
224			input[nfile].hasmin = input[nfile].hasmax = 0;
225	greg	2.7	input[nfile].xres = input[nfile-1].xres;
226			input[nfile].yres = labelht;
227	greg	1.9	if ((input[nfile].fp = lblopen(thislabel,
228			&input[nfile].xres,
229			&input[nfile].yres)) == NULL)
230	greg	1.7	goto labelerr;
231			input[nfile].xloc = input[nfile-1].xloc;
232			input[nfile].yloc = input[nfile-1].yloc +
233	greg	1.9	input[nfile-1].yres-input[nfile].yres;
234	greg	1.7	}
235	greg	1.1	}
236			if (xsiz <= 0)
237			xsiz = xmax;
238			if (ysiz <= 0)
239			ysiz = ymax;
240			/* add new header info. */
241			printargs(argc, argv, stdout);
242	greg	1.6	fputformat(COLRFMT, stdout);
243	greg	1.10	putchar('\n');
244			fprtresolu(xsiz, ysiz, stdout);
245	greg	1.1
246			compos();
247
248			quit(0);
249			userr:
250	greg	1.9	fprintf(stderr, "Usage: %s [-x xr][-y yr][-b r g b][-a n][-la][-lh h] ",
251	greg	1.8	progname);
252	greg	1.9	fprintf(stderr, "[-t min1][+t max1][-l lab] pic1 x1 y1 ..\n");
253	greg	1.7	quit(1);
254	greg	1.9	toomany:
255			fprintf(stderr, "%s: only %d files and labels allowed\n",
256			progname, MAXFILE);
257			quit(1);
258	greg	1.7	labelerr:
259			fprintf(stderr, "%s: error opening label\n", progname);
260	greg	1.1	quit(1);
261			}
262
263
264			compos() /* composite pictures */
265			{
266			COLR scanin, scanout;
267			int y;
268			register int x, i;
269
270	greg	1.3	scanin = (COLR )malloc((xmax-xmin)sizeof(COLR));
271	greg	1.1	if (scanin == NULL)
272			goto memerr;
273			scanin -= xmin;
274			if (checkthresh) {
275			scanout = (COLR )malloc(xsizsizeof(COLR));
276			if (scanout == NULL)
277			goto memerr;
278			} else
279			scanout = scanin;
280			for (y = ymax-1; y >= 0; y--) {
281			for (x = 0; x < xsiz; x++)
282			copycolr(scanout[x], bgcolr);
283			for (i = 0; i < nfile; i++) {
284			if (input[i].yloc > y \|\|
285			input[i].yloc+input[i].yres <= y)
286			continue;
287			if (freadcolrs(scanin+input[i].xloc,
288			input[i].xres, input[i].fp) < 0) {
289	greg	1.2	fprintf(stderr, "%s: read error (y==%d)\n",
290			input[i].name,
291			y-input[i].yloc);
292	greg	1.1	quit(1);
293			}
294			if (y >= ysiz)
295			continue;
296			if (checkthresh) {
297			x = input[i].xloc+input[i].xres;
298			if (x > xsiz)
299			x = xsiz;
300			for (x--; x >= 0 && x >= input[i].xloc; x--) {
301			if (input[i].hasmin &&
302			cmpcolr(scanin[x], input[i].thmin) <= 0)
303			continue;
304			if (input[i].hasmax &&
305			cmpcolr(scanin[x], input[i].thmax) >= 0)
306			continue;
307			copycolr(scanout[x], scanin[x]);
308			}
309			}
310			}
311			if (y >= ysiz)
312			continue;
313			if (fwritecolrs(scanout, xsiz, stdout) < 0) {
314	greg	1.5	perror(progname);
315	greg	1.1	quit(1);
316			}
317			}
318			return;
319			memerr:
320	greg	1.5	perror(progname);
321	greg	1.1	quit(1);
322			}
323
324
325			int
326			cmpcolr(c1, c2) /* compare two colr's (improvisation) */
327			register COLR c1, c2;
328			{
329			register int i, j;
330
331			j = 4; /* check exponents first! */
332			while (j--)
333			if (i = c1[j] - c2[j])
334			return(i);
335			return(0);
336	greg	1.9	}
337
338
339			FILE *
340			lblopen(s, xp, yp) /* open pipe to label generator */
341			char *s;
342			int xp, yp;
343			{
344			char com[128];
345			FILE *fp;
346
347	greg	2.7	sprintf(com, "psign -s -.15 -a 2 -x %d -y %d '%.90s'", xp, yp, s);
348	greg	1.9	if ((fp = popen(com, "r")) == NULL)
349			return(NULL);
350			if (checkheader(fp, COLRFMT, NULL) < 0)
351			goto err;
352	greg	1.10	if (fgetresolu(xp, yp, fp) < 0)
353	greg	1.9	goto err;
354			return(fp);
355			err:
356			pclose(fp);
357			return(NULL);
358	greg	1.1	}
359
360
361			quit(code) /* exit gracefully */
362			int code;
363			{
364	greg	2.9	int status;
365
366			if (code == 0) /* reap any children */
367			while (wait(&status) != -1)
368			if (code == 0)
369			code = status>>8 & 0xff;
370	greg	1.1	exit(code);
371			}