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        32

                                        /* 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[];
{
        double  atof();
        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:
        for (nfile = 0; an < argc; nfile++) {
                if (nfile >= MAXFILE)
                        goto toomany;
                if (autolabel)
                        thislabel = argv[an];
                else
                        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];
                                break;
                        case '\0':
                                if (argv[an][0] == '-')
                                        goto getfile;
                                goto userr;
                        default:
                                goto userr;
                        }
getfile:
                if (argc-an < (ncolumns ? 1 : 3))
                        goto userr;
                if (!strcmp(argv[an], "-")) {
                        input[nfile].name = "<stdin>";
                        input[nfile].fp = stdin;
                } else {
                        input[nfile].name = argv[an];
                        if ((input[nfile].fp = argv[an][0] == '!' ?
                                        popen(argv[an]+1, "r") :
                                        fopen(argv[an], "r")) == 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;
                        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 -h %d '%.30s' | pfilt -1 -x /2 -y /2",
                        2*labelht, 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;
{
        exit(code);
}
Revision:	2.1
Committed:	Tue Nov 12 16:04:44 1991 UTC (32 years, 5 months ago) by greg
Content type:	text/plain
Branch:	MAIN
Changes since 1.10:	+0 -0 lines
Log Message:	updated revision number for release 2.0
#	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 32
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	double atof();
74	int ncolumns = 0;
75	int autolabel = 0;
76	int curcol = 0, curx = 0, cury = 0;
77	char *thislabel;
78	int an;
79
80	progname = argv[0];
81
82	for (an = 1; an < argc && argv[an][0] == '-'; an++)
83	switch (argv[an][1]) {
84	case 'x':
85	xmax = xsiz = atoi(argv[++an]);
86	break;
87	case 'y':
88	ymax = ysiz = atoi(argv[++an]);
89	break;
90	case 'b':
91	setcolr(bgcolr, atof(argv[an+1]),
92	atof(argv[an+2]),
93	atof(argv[an+3]));
94	an += 3;
95	break;
96	case 'a':
97	ncolumns = atoi(argv[++an]);
98	break;
99	case 'l':
100	switch (argv[an][2]) {
101	case 'a':
102	autolabel++;
103	break;
104	case 'h':
105	labelht = atoi(argv[++an]);
106	break;
107	case '\0':
108	goto dofiles;
109	default:
110	goto userr;
111	}
112	break;
113	case '\0':
114	case 't':
115	goto dofiles;
116	default:
117	goto userr;
118	}
119	dofiles:
120	for (nfile = 0; an < argc; nfile++) {
121	if (nfile >= MAXFILE)
122	goto toomany;
123	if (autolabel)
124	thislabel = argv[an];
125	else
126	thislabel = NULL;
127	input[nfile].hasmin = input[nfile].hasmax = 0;
128	while (an < argc && (argv[an][0] == '-' \|\| argv[an][0] == '+'))
129	switch (argv[an][1]) {
130	case 't':
131	checkthresh = 1;
132	if (argv[an][0] == '-') {
133	input[nfile].hasmin = 1;
134	setcolr(input[nfile].thmin,
135	atof(argv[an+1]),
136	atof(argv[an+1]),
137	atof(argv[an+1]));
138	} else {
139	input[nfile].hasmax = 1;
140	setcolr(input[nfile].thmax,
141	atof(argv[an+1]),
142	atof(argv[an+1]),
143	atof(argv[an+1]));
144	}
145	an += 2;
146	break;
147	case 'l':
148	if (strcmp(argv[an], "-l"))
149	goto userr;
150	thislabel = argv[++an];
151	break;
152	case '\0':
153	if (argv[an][0] == '-')
154	goto getfile;
155	goto userr;
156	default:
157	goto userr;
158	}
159	getfile:
160	if (argc-an < (ncolumns ? 1 : 3))
161	goto userr;
162	if (!strcmp(argv[an], "-")) {
163	input[nfile].name = "<stdin>";
164	input[nfile].fp = stdin;
165	} else {
166	input[nfile].name = argv[an];
167	if ((input[nfile].fp = argv[an][0] == '!' ?
168	popen(argv[an]+1, "r") :
169	fopen(argv[an], "r")) == NULL) {
170	perror(argv[an]);
171	quit(1);
172	}
173	}
174	an++;
175	/* get header */
176	printf("%s:\n", input[nfile].name);
177	getheader(input[nfile].fp, tabputs, NULL);
178	if (wrongformat) {
179	fprintf(stderr, "%s: not a Radiance picture\n",
180	input[nfile].name);
181	quit(1);
182	}
183	/* get picture size */
184	if (fgetresolu(&input[nfile].xres, &input[nfile].yres,
185	input[nfile].fp) < 0) {
186	fprintf(stderr, "%s: bad picture size\n",
187	input[nfile].name);
188	quit(1);
189	}
190	if (ncolumns > 0) {
191	if (curcol >= ncolumns) {
192	cury = ymax;
193	curx = 0;
194	curcol = 0;
195	}
196	input[nfile].xloc = curx;
197	input[nfile].yloc = cury;
198	curx += input[nfile].xres;
199	curcol++;
200	} else {
201	input[nfile].xloc = atoi(argv[an++]);
202	input[nfile].yloc = atoi(argv[an++]);
203	}
204	if (input[nfile].xloc < xmin)
205	xmin = input[nfile].xloc;
206	if (input[nfile].yloc < ymin)
207	ymin = input[nfile].yloc;
208	if (input[nfile].xloc+input[nfile].xres > xmax)
209	xmax = input[nfile].xloc+input[nfile].xres;
210	if (input[nfile].yloc+input[nfile].yres > ymax)
211	ymax = input[nfile].yloc+input[nfile].yres;
212	if (thislabel != NULL) {
213	if (++nfile >= MAXFILE)
214	goto toomany;
215	input[nfile].name = "<Label>";
216	input[nfile].hasmin = input[nfile].hasmax = 0;
217	if ((input[nfile].fp = lblopen(thislabel,
218	&input[nfile].xres,
219	&input[nfile].yres)) == NULL)
220	goto labelerr;
221	input[nfile].xloc = input[nfile-1].xloc;
222	input[nfile].yloc = input[nfile-1].yloc +
223	input[nfile-1].yres-input[nfile].yres;
224	}
225	}
226	if (xsiz <= 0)
227	xsiz = xmax;
228	if (ysiz <= 0)
229	ysiz = ymax;
230	/* add new header info. */
231	printargs(argc, argv, stdout);
232	fputformat(COLRFMT, stdout);
233	putchar('\n');
234	fprtresolu(xsiz, ysiz, stdout);
235
236	compos();
237
238	quit(0);
239	userr:
240	fprintf(stderr, "Usage: %s [-x xr][-y yr][-b r g b][-a n][-la][-lh h] ",
241	progname);
242	fprintf(stderr, "[-t min1][+t max1][-l lab] pic1 x1 y1 ..\n");
243	quit(1);
244	toomany:
245	fprintf(stderr, "%s: only %d files and labels allowed\n",
246	progname, MAXFILE);
247	quit(1);
248	labelerr:
249	fprintf(stderr, "%s: error opening label\n", progname);
250	quit(1);
251	}
252
253
254	compos() /* composite pictures */
255	{
256	COLR scanin, scanout;
257	int y;
258	register int x, i;
259
260	scanin = (COLR )malloc((xmax-xmin)sizeof(COLR));
261	if (scanin == NULL)
262	goto memerr;
263	scanin -= xmin;
264	if (checkthresh) {
265	scanout = (COLR )malloc(xsizsizeof(COLR));
266	if (scanout == NULL)
267	goto memerr;
268	} else
269	scanout = scanin;
270	for (y = ymax-1; y >= 0; y--) {
271	for (x = 0; x < xsiz; x++)
272	copycolr(scanout[x], bgcolr);
273	for (i = 0; i < nfile; i++) {
274	if (input[i].yloc > y \|\|
275	input[i].yloc+input[i].yres <= y)
276	continue;
277	if (freadcolrs(scanin+input[i].xloc,
278	input[i].xres, input[i].fp) < 0) {
279	fprintf(stderr, "%s: read error (y==%d)\n",
280	input[i].name,
281	y-input[i].yloc);
282	quit(1);
283	}
284	if (y >= ysiz)
285	continue;
286	if (checkthresh) {
287	x = input[i].xloc+input[i].xres;
288	if (x > xsiz)
289	x = xsiz;
290	for (x--; x >= 0 && x >= input[i].xloc; x--) {
291	if (input[i].hasmin &&
292	cmpcolr(scanin[x], input[i].thmin) <= 0)
293	continue;
294	if (input[i].hasmax &&
295	cmpcolr(scanin[x], input[i].thmax) >= 0)
296	continue;
297	copycolr(scanout[x], scanin[x]);
298	}
299	}
300	}
301	if (y >= ysiz)
302	continue;
303	if (fwritecolrs(scanout, xsiz, stdout) < 0) {
304	perror(progname);
305	quit(1);
306	}
307	}
308	return;
309	memerr:
310	perror(progname);
311	quit(1);
312	}
313
314
315	int
316	cmpcolr(c1, c2) /* compare two colr's (improvisation) */
317	register COLR c1, c2;
318	{
319	register int i, j;
320
321	j = 4; /* check exponents first! */
322	while (j--)
323	if (i = c1[j] - c2[j])
324	return(i);
325	return(0);
326	}
327
328
329	FILE *
330	lblopen(s, xp, yp) /* open pipe to label generator */
331	char *s;
332	int xp, yp;
333	{
334	char com[128];
335	FILE *fp;
336
337	sprintf(com, "psign -h %d '%.30s' \| pfilt -1 -x /2 -y /2",
338	2*labelht, s);
339	if ((fp = popen(com, "r")) == NULL)
340	return(NULL);
341	if (checkheader(fp, COLRFMT, NULL) < 0)
342	goto err;
343	if (fgetresolu(xp, yp, fp) < 0)
344	goto err;
345	return(fp);
346	err:
347	pclose(fp);
348	return(NULL);
349	}
350
351
352	quit(code) /* exit gracefully */
353	int code;
354	{
355	exit(code);
356	}