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, x0 = 0, curx = 0, cury = 0, spacing = 0;
        char  *thislabel;
        int  an;

        progname = argv[0];

        for (an = 1; an < argc && argv[an][0] == '-'; an++)
                switch (argv[an][1]) {
                case 'x':
                        xsiz = atoi(argv[++an]);
                        break;
                case 'y':
                        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 's':
                        spacing = atoi(argv[++an]);
                        break;
                case 'o':
                        curx = x0 = atoi(argv[++an]);
                        cury = 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:
        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 + spacing;
                                curx = x0;
                                curcol = 0;
                        }
                        input[nfile].xloc = curx;
                        input[nfile].yloc = cury;
                        curx += input[nfile].xres + spacing;
                        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;
        else if (xsiz > xmax)
                xmax = xsiz;
        if (ysiz <= 0)
                ysiz = ymax;
        else if (ysiz > ymax)
                ymax = ysiz;
                                        /* 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][-s p][-o x0 y0][-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:	2.11
Committed:	Wed Aug 12 12:39:52 1992 UTC (31 years, 8 months ago) by greg
Content type:	text/plain
Branch:	MAIN
Changes since 2.10:	+19 -12 lines
Log Message:	added -s and -o options and made -y compatible with -a
#	Content
1	/* Copyright (c) 1991 Regents of the University of California */
2
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	#include "resolu.h"
18
19	#define MAXFILE 64
20
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	int labelht = 24; /* label height */
33
34	int checkthresh = 0; /* check threshold value */
35
36	char *progname;
37
38	struct {
39	char name; / file or command name */
40	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	int wrongformat = 0;
50
51	FILE popen(), lblopen();
52
53
54	tabputs(s) /* print line preceded by a tab */
55	char *s;
56	{
57	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	}
67
68
69	main(argc, argv)
70	int argc;
71	char *argv[];
72	{
73	int ncolumns = 0;
74	int autolabel = 0;
75	int curcol = 0, x0 = 0, curx = 0, cury = 0, spacing = 0;
76	char *thislabel;
77	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	xsiz = atoi(argv[++an]);
85	break;
86	case 'y':
87	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	case 'a':
96	ncolumns = atoi(argv[++an]);
97	break;
98	case 's':
99	spacing = atoi(argv[++an]);
100	break;
101	case 'o':
102	curx = x0 = atoi(argv[++an]);
103	cury = atoi(argv[++an]);
104	break;
105	case 'l':
106	switch (argv[an][2]) {
107	case 'a':
108	autolabel++;
109	break;
110	case 'h':
111	labelht = atoi(argv[++an]);
112	break;
113	case '\0':
114	goto dofiles;
115	default:
116	goto userr;
117	}
118	break;
119	case '\0':
120	case 't':
121	goto dofiles;
122	default:
123	goto userr;
124	}
125	dofiles:
126	for (nfile = 0; an < argc; nfile++) {
127	if (nfile >= MAXFILE)
128	goto toomany;
129	thislabel = NULL;
130	input[nfile].hasmin = input[nfile].hasmax = 0;
131	while (an < argc && (argv[an][0] == '-' \|\| argv[an][0] == '+'))
132	switch (argv[an][1]) {
133	case 't':
134	checkthresh = 1;
135	if (argv[an][0] == '-') {
136	input[nfile].hasmin = 1;
137	setcolr(input[nfile].thmin,
138	atof(argv[an+1]),
139	atof(argv[an+1]),
140	atof(argv[an+1]));
141	} else {
142	input[nfile].hasmax = 1;
143	setcolr(input[nfile].thmax,
144	atof(argv[an+1]),
145	atof(argv[an+1]),
146	atof(argv[an+1]));
147	}
148	an += 2;
149	break;
150	case 'l':
151	if (strcmp(argv[an], "-l"))
152	goto userr;
153	thislabel = argv[an+1];
154	an += 2;
155	break;
156	case '\0':
157	if (argv[an][0] == '-')
158	goto getfile;
159	goto userr;
160	default:
161	goto userr;
162	}
163	getfile:
164	if (argc-an < (ncolumns ? 1 : 3))
165	goto userr;
166	if (autolabel && thislabel == NULL)
167	thislabel = argv[an];
168	if (!strcmp(argv[an], "-")) {
169	input[nfile].name = "<stdin>";
170	input[nfile].fp = stdin;
171	} else {
172	if (argv[an][0] == '!') {
173	input[nfile].name = "<Command>";
174	input[nfile].fp = popen(argv[an]+1, "r");
175	} else {
176	input[nfile].name = argv[an];
177	input[nfile].fp = fopen(argv[an], "r");
178	}
179	if (input[nfile].fp == NULL) {
180	perror(argv[an]);
181	quit(1);
182	}
183	}
184	an++;
185	/* get header */
186	printf("%s:\n", input[nfile].name);
187	getheader(input[nfile].fp, tabputs, NULL);
188	if (wrongformat) {
189	fprintf(stderr, "%s: not a Radiance picture\n",
190	input[nfile].name);
191	quit(1);
192	}
193	/* get picture size */
194	if (fgetresolu(&input[nfile].xres, &input[nfile].yres,
195	input[nfile].fp) < 0) {
196	fprintf(stderr, "%s: bad picture size\n",
197	input[nfile].name);
198	quit(1);
199	}
200	if (ncolumns > 0) {
201	if (curcol >= ncolumns) {
202	cury = ymax + spacing;
203	curx = x0;
204	curcol = 0;
205	}
206	input[nfile].xloc = curx;
207	input[nfile].yloc = cury;
208	curx += input[nfile].xres + spacing;
209	curcol++;
210	} else {
211	input[nfile].xloc = atoi(argv[an++]);
212	input[nfile].yloc = atoi(argv[an++]);
213	}
214	if (input[nfile].xloc < xmin)
215	xmin = input[nfile].xloc;
216	if (input[nfile].yloc < ymin)
217	ymin = input[nfile].yloc;
218	if (input[nfile].xloc+input[nfile].xres > xmax)
219	xmax = input[nfile].xloc+input[nfile].xres;
220	if (input[nfile].yloc+input[nfile].yres > ymax)
221	ymax = input[nfile].yloc+input[nfile].yres;
222	if (thislabel != NULL) {
223	if (++nfile >= MAXFILE)
224	goto toomany;
225	input[nfile].name = "<Label>";
226	input[nfile].hasmin = input[nfile].hasmax = 0;
227	input[nfile].xres = input[nfile-1].xres;
228	input[nfile].yres = labelht;
229	if ((input[nfile].fp = lblopen(thislabel,
230	&input[nfile].xres,
231	&input[nfile].yres)) == NULL)
232	goto labelerr;
233	input[nfile].xloc = input[nfile-1].xloc;
234	input[nfile].yloc = input[nfile-1].yloc +
235	input[nfile-1].yres-input[nfile].yres;
236	}
237	}
238	if (xsiz <= 0)
239	xsiz = xmax;
240	else if (xsiz > xmax)
241	xmax = xsiz;
242	if (ysiz <= 0)
243	ysiz = ymax;
244	else if (ysiz > ymax)
245	ymax = ysiz;
246	/* add new header info. */
247	printargs(argc, argv, stdout);
248	fputformat(COLRFMT, stdout);
249	putchar('\n');
250	fprtresolu(xsiz, ysiz, stdout);
251
252	compos();
253
254	quit(0);
255	userr:
256	fprintf(stderr,
257	"Usage: %s [-x xr][-y yr][-b r g b][-a n][-s p][-o x0 y0][-la][-lh h] ",
258	progname);
259	fprintf(stderr, "[-t min1][+t max1][-l lab] pic1 x1 y1 ..\n");
260	quit(1);
261	toomany:
262	fprintf(stderr, "%s: only %d files and labels allowed\n",
263	progname, MAXFILE);
264	quit(1);
265	labelerr:
266	fprintf(stderr, "%s: error opening label\n", progname);
267	quit(1);
268	}
269
270
271	compos() /* composite pictures */
272	{
273	COLR scanin, scanout;
274	int y;
275	register int x, i;
276
277	scanin = (COLR )malloc((xmax-xmin)sizeof(COLR));
278	if (scanin == NULL)
279	goto memerr;
280	scanin -= xmin;
281	if (checkthresh) {
282	scanout = (COLR )malloc(xsizsizeof(COLR));
283	if (scanout == NULL)
284	goto memerr;
285	} else
286	scanout = scanin;
287	for (y = ymax-1; y >= 0; y--) {
288	for (x = 0; x < xsiz; x++)
289	copycolr(scanout[x], bgcolr);
290	for (i = 0; i < nfile; i++) {
291	if (input[i].yloc > y \|\|
292	input[i].yloc+input[i].yres <= y)
293	continue;
294	if (freadcolrs(scanin+input[i].xloc,
295	input[i].xres, input[i].fp) < 0) {
296	fprintf(stderr, "%s: read error (y==%d)\n",
297	input[i].name,
298	y-input[i].yloc);
299	quit(1);
300	}
301	if (y >= ysiz)
302	continue;
303	if (checkthresh) {
304	x = input[i].xloc+input[i].xres;
305	if (x > xsiz)
306	x = xsiz;
307	for (x--; x >= 0 && x >= input[i].xloc; x--) {
308	if (input[i].hasmin &&
309	cmpcolr(scanin[x], input[i].thmin) <= 0)
310	continue;
311	if (input[i].hasmax &&
312	cmpcolr(scanin[x], input[i].thmax) >= 0)
313	continue;
314	copycolr(scanout[x], scanin[x]);
315	}
316	}
317	}
318	if (y >= ysiz)
319	continue;
320	if (fwritecolrs(scanout, xsiz, stdout) < 0) {
321	perror(progname);
322	quit(1);
323	}
324	}
325	return;
326	memerr:
327	perror(progname);
328	quit(1);
329	}
330
331
332	int
333	cmpcolr(c1, c2) /* compare two colr's (improvisation) */
334	register COLR c1, c2;
335	{
336	register int i, j;
337
338	j = 4; /* check exponents first! */
339	while (j--)
340	if (i = c1[j] - c2[j])
341	return(i);
342	return(0);
343	}
344
345
346	FILE *
347	lblopen(s, xp, yp) /* open pipe to label generator */
348	char *s;
349	int xp, yp;
350	{
351	char com[128];
352	FILE *fp;
353
354	sprintf(com, "psign -s -.15 -a 2 -x %d -y %d '%.90s'", xp, yp, s);
355	if ((fp = popen(com, "r")) == NULL)
356	return(NULL);
357	if (checkheader(fp, COLRFMT, NULL) < 0)
358	goto err;
359	if (fgetresolu(xp, yp, fp) < 0)
360	goto err;
361	return(fp);
362	err:
363	pclose(fp);
364	return(NULL);
365	}
366
367
368	quit(code) /* exit gracefully */
369	int code;
370	{
371	int status;
372
373	if (code == 0) /* reap any children */
374	while (wait(&status) != -1)
375	if (code == 0)
376	code = status>>8 & 0xff;
377	exit(code);
378	}