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[];
{
        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;
                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;
                        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 -.2 -h %d '%.30s'", 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:	2.6
Committed:	Mon Jun 22 14:14:40 1992 UTC (31 years, 10 months ago) by greg
Content type:	text/plain
Branch:	MAIN
Changes since 2.5:	+3 -4 lines
Log Message:	fixed bug in automatic labeling
#	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	int ncolumns = 0;
74	int autolabel = 0;
75	int curcol = 0, curx = 0, cury = 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	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	case 'a':
96	ncolumns = atoi(argv[++an]);
97	break;
98	case 'l':
99	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	break;
112	case '\0':
113	case 't':
114	goto dofiles;
115	default:
116	goto userr;
117	}
118	dofiles:
119	for (nfile = 0; an < argc; nfile++) {
120	if (nfile >= MAXFILE)
121	goto toomany;
122	thislabel = NULL;
123	input[nfile].hasmin = input[nfile].hasmax = 0;
124	while (an < argc && (argv[an][0] == '-' \|\| argv[an][0] == '+'))
125	switch (argv[an][1]) {
126	case 't':
127	checkthresh = 1;
128	if (argv[an][0] == '-') {
129	input[nfile].hasmin = 1;
130	setcolr(input[nfile].thmin,
131	atof(argv[an+1]),
132	atof(argv[an+1]),
133	atof(argv[an+1]));
134	} else {
135	input[nfile].hasmax = 1;
136	setcolr(input[nfile].thmax,
137	atof(argv[an+1]),
138	atof(argv[an+1]),
139	atof(argv[an+1]));
140	}
141	an += 2;
142	break;
143	case 'l':
144	if (strcmp(argv[an], "-l"))
145	goto userr;
146	thislabel = argv[an+1];
147	an += 2;
148	break;
149	case '\0':
150	if (argv[an][0] == '-')
151	goto getfile;
152	goto userr;
153	default:
154	goto userr;
155	}
156	getfile:
157	if (argc-an < (ncolumns ? 1 : 3))
158	goto userr;
159	if (autolabel && thislabel == NULL)
160	thislabel = argv[an];
161	if (!strcmp(argv[an], "-")) {
162	input[nfile].name = "<stdin>";
163	input[nfile].fp = stdin;
164	} else {
165	if (argv[an][0] == '!') {
166	input[nfile].name = "<Command>";
167	input[nfile].fp = popen(argv[an]+1, "r");
168	} else {
169	input[nfile].name = argv[an];
170	input[nfile].fp = fopen(argv[an], "r");
171	}
172	if (input[nfile].fp == NULL) {
173	perror(argv[an]);
174	quit(1);
175	}
176	}
177	an++;
178	/* get header */
179	printf("%s:\n", input[nfile].name);
180	getheader(input[nfile].fp, tabputs, NULL);
181	if (wrongformat) {
182	fprintf(stderr, "%s: not a Radiance picture\n",
183	input[nfile].name);
184	quit(1);
185	}
186	/* get picture size */
187	if (fgetresolu(&input[nfile].xres, &input[nfile].yres,
188	input[nfile].fp) < 0) {
189	fprintf(stderr, "%s: bad picture size\n",
190	input[nfile].name);
191	quit(1);
192	}
193	if (ncolumns > 0) {
194	if (curcol >= ncolumns) {
195	cury = ymax;
196	curx = 0;
197	curcol = 0;
198	}
199	input[nfile].xloc = curx;
200	input[nfile].yloc = cury;
201	curx += input[nfile].xres;
202	curcol++;
203	} else {
204	input[nfile].xloc = atoi(argv[an++]);
205	input[nfile].yloc = atoi(argv[an++]);
206	}
207	if (input[nfile].xloc < xmin)
208	xmin = input[nfile].xloc;
209	if (input[nfile].yloc < ymin)
210	ymin = input[nfile].yloc;
211	if (input[nfile].xloc+input[nfile].xres > xmax)
212	xmax = input[nfile].xloc+input[nfile].xres;
213	if (input[nfile].yloc+input[nfile].yres > ymax)
214	ymax = input[nfile].yloc+input[nfile].yres;
215	if (thislabel != NULL) {
216	if (++nfile >= MAXFILE)
217	goto toomany;
218	input[nfile].name = "<Label>";
219	input[nfile].hasmin = input[nfile].hasmax = 0;
220	if ((input[nfile].fp = lblopen(thislabel,
221	&input[nfile].xres,
222	&input[nfile].yres)) == NULL)
223	goto labelerr;
224	input[nfile].xloc = input[nfile-1].xloc;
225	input[nfile].yloc = input[nfile-1].yloc +
226	input[nfile-1].yres-input[nfile].yres;
227	}
228	}
229	if (xsiz <= 0)
230	xsiz = xmax;
231	if (ysiz <= 0)
232	ysiz = ymax;
233	/* add new header info. */
234	printargs(argc, argv, stdout);
235	fputformat(COLRFMT, stdout);
236	putchar('\n');
237	fprtresolu(xsiz, ysiz, stdout);
238
239	compos();
240
241	quit(0);
242	userr:
243	fprintf(stderr, "Usage: %s [-x xr][-y yr][-b r g b][-a n][-la][-lh h] ",
244	progname);
245	fprintf(stderr, "[-t min1][+t max1][-l lab] pic1 x1 y1 ..\n");
246	quit(1);
247	toomany:
248	fprintf(stderr, "%s: only %d files and labels allowed\n",
249	progname, MAXFILE);
250	quit(1);
251	labelerr:
252	fprintf(stderr, "%s: error opening label\n", progname);
253	quit(1);
254	}
255
256
257	compos() /* composite pictures */
258	{
259	COLR scanin, scanout;
260	int y;
261	register int x, i;
262
263	scanin = (COLR )malloc((xmax-xmin)sizeof(COLR));
264	if (scanin == NULL)
265	goto memerr;
266	scanin -= xmin;
267	if (checkthresh) {
268	scanout = (COLR )malloc(xsizsizeof(COLR));
269	if (scanout == NULL)
270	goto memerr;
271	} else
272	scanout = scanin;
273	for (y = ymax-1; y >= 0; y--) {
274	for (x = 0; x < xsiz; x++)
275	copycolr(scanout[x], bgcolr);
276	for (i = 0; i < nfile; i++) {
277	if (input[i].yloc > y \|\|
278	input[i].yloc+input[i].yres <= y)
279	continue;
280	if (freadcolrs(scanin+input[i].xloc,
281	input[i].xres, input[i].fp) < 0) {
282	fprintf(stderr, "%s: read error (y==%d)\n",
283	input[i].name,
284	y-input[i].yloc);
285	quit(1);
286	}
287	if (y >= ysiz)
288	continue;
289	if (checkthresh) {
290	x = input[i].xloc+input[i].xres;
291	if (x > xsiz)
292	x = xsiz;
293	for (x--; x >= 0 && x >= input[i].xloc; x--) {
294	if (input[i].hasmin &&
295	cmpcolr(scanin[x], input[i].thmin) <= 0)
296	continue;
297	if (input[i].hasmax &&
298	cmpcolr(scanin[x], input[i].thmax) >= 0)
299	continue;
300	copycolr(scanout[x], scanin[x]);
301	}
302	}
303	}
304	if (y >= ysiz)
305	continue;
306	if (fwritecolrs(scanout, xsiz, stdout) < 0) {
307	perror(progname);
308	quit(1);
309	}
310	}
311	return;
312	memerr:
313	perror(progname);
314	quit(1);
315	}
316
317
318	int
319	cmpcolr(c1, c2) /* compare two colr's (improvisation) */
320	register COLR c1, c2;
321	{
322	register int i, j;
323
324	j = 4; /* check exponents first! */
325	while (j--)
326	if (i = c1[j] - c2[j])
327	return(i);
328	return(0);
329	}
330
331
332	FILE *
333	lblopen(s, xp, yp) /* open pipe to label generator */
334	char *s;
335	int xp, yp;
336	{
337	char com[128];
338	FILE *fp;
339
340	sprintf(com, "psign -s -.2 -h %d '%.30s'", labelht, s);
341	if ((fp = popen(com, "r")) == NULL)
342	return(NULL);
343	if (checkheader(fp, COLRFMT, NULL) < 0)
344	goto err;
345	if (fgetresolu(xp, yp, fp) < 0)
346	goto err;
347	return(fp);
348	err:
349	pclose(fp);
350	return(NULL);
351	}
352
353
354	quit(code) /* exit gracefully */
355	int code;
356	{
357	exit(code);
358	}