src/px/pcompos.c

/* Copyright (c) 1992 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  <math.h>

#ifdef MSDOS
#include  <fcntl.h>
#endif

#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  Command[] = "<Command>";
char  Label[] = "<Label>";

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();

extern char  *malloc();


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;
#ifdef MSDOS
        extern int  _fmode;
        _fmode = O_BINARY;
        setmode(fileno(stdin), O_BINARY);
        setmode(fileno(stdout), O_BINARY);
#endif
        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;
{
        register int  i;
                                /* close input files */
        for (i = 0; i < nfile; i++)
                if (input[i].name == Command || input[i].name == Label)
                        pclose(input[i].fp);
                else
                        fclose(input[i].fp);
        exit(code);
}
Revision:	2.16
Committed:	Fri Jun 4 14:47:01 1993 UTC (30 years, 11 months ago) by greg
Content type:	text/plain
Branch:	MAIN
Changes since 2.15:	+2 -0 lines
Log Message:	added math.h for atof() usage
#	Content
1	/* Copyright (c) 1992 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 <math.h>
16
17	#ifdef MSDOS
18	#include <fcntl.h>
19	#endif
20
21	#include "color.h"
22
23	#include "resolu.h"
24
25	#define MAXFILE 64
26
27	/* output picture size */
28	int xsiz = 0;
29	int ysiz = 0;
30	/* input dimensions */
31	int xmin = 0;
32	int ymin = 0;
33	int xmax = 0;
34	int ymax = 0;
35
36	COLR bgcolr = BLKCOLR; /* background color */
37
38	int labelht = 24; /* label height */
39
40	int checkthresh = 0; /* check threshold value */
41
42	char Command[] = "<Command>";
43	char Label[] = "<Label>";
44
45	char *progname;
46
47	struct {
48	char name; / file or command name */
49	FILE fp; / stream pointer */
50	int xres, yres; /* picture size */
51	int xloc, yloc; /* anchor point */
52	int hasmin, hasmax; /* has threshold values */
53	COLR thmin, thmax; /* thresholds */
54	} input[MAXFILE]; /* our input files */
55
56	int nfile; /* number of files */
57
58	int wrongformat = 0;
59
60	FILE popen(), lblopen();
61
62	extern char *malloc();
63
64
65	tabputs(s) /* print line preceded by a tab */
66	char *s;
67	{
68	char fmt[32];
69
70	if (isformat(s)) {
71	formatval(fmt, s);
72	wrongformat = strcmp(fmt, COLRFMT);
73	} else {
74	putc('\t', stdout);
75	fputs(s, stdout);
76	}
77	}
78
79
80	main(argc, argv)
81	int argc;
82	char *argv[];
83	{
84	int ncolumns = 0;
85	int autolabel = 0;
86	int curcol = 0, x0 = 0, curx = 0, cury = 0, spacing = 0;
87	char *thislabel;
88	int an;
89	#ifdef MSDOS
90	extern int _fmode;
91	_fmode = O_BINARY;
92	setmode(fileno(stdin), O_BINARY);
93	setmode(fileno(stdout), O_BINARY);
94	#endif
95	progname = argv[0];
96
97	for (an = 1; an < argc && argv[an][0] == '-'; an++)
98	switch (argv[an][1]) {
99	case 'x':
100	xsiz = atoi(argv[++an]);
101	break;
102	case 'y':
103	ysiz = atoi(argv[++an]);
104	break;
105	case 'b':
106	setcolr(bgcolr, atof(argv[an+1]),
107	atof(argv[an+2]),
108	atof(argv[an+3]));
109	an += 3;
110	break;
111	case 'a':
112	ncolumns = atoi(argv[++an]);
113	break;
114	case 's':
115	spacing = atoi(argv[++an]);
116	break;
117	case 'o':
118	curx = x0 = atoi(argv[++an]);
119	cury = atoi(argv[++an]);
120	break;
121	case 'l':
122	switch (argv[an][2]) {
123	case 'a':
124	autolabel++;
125	break;
126	case 'h':
127	labelht = atoi(argv[++an]);
128	break;
129	case '\0':
130	goto dofiles;
131	default:
132	goto userr;
133	}
134	break;
135	case '\0':
136	case 't':
137	goto dofiles;
138	default:
139	goto userr;
140	}
141	dofiles:
142	for (nfile = 0; an < argc; nfile++) {
143	if (nfile >= MAXFILE)
144	goto toomany;
145	thislabel = NULL;
146	input[nfile].hasmin = input[nfile].hasmax = 0;
147	while (an < argc && (argv[an][0] == '-' \|\| argv[an][0] == '+'))
148	switch (argv[an][1]) {
149	case 't':
150	checkthresh = 1;
151	if (argv[an][0] == '-') {
152	input[nfile].hasmin = 1;
153	setcolr(input[nfile].thmin,
154	atof(argv[an+1]),
155	atof(argv[an+1]),
156	atof(argv[an+1]));
157	} else {
158	input[nfile].hasmax = 1;
159	setcolr(input[nfile].thmax,
160	atof(argv[an+1]),
161	atof(argv[an+1]),
162	atof(argv[an+1]));
163	}
164	an += 2;
165	break;
166	case 'l':
167	if (strcmp(argv[an], "-l"))
168	goto userr;
169	thislabel = argv[an+1];
170	an += 2;
171	break;
172	case '\0':
173	if (argv[an][0] == '-')
174	goto getfile;
175	goto userr;
176	default:
177	goto userr;
178	}
179	getfile:
180	if (argc-an < (ncolumns ? 1 : 3))
181	goto userr;
182	if (autolabel && thislabel == NULL)
183	thislabel = argv[an];
184	if (!strcmp(argv[an], "-")) {
185	input[nfile].name = "<stdin>";
186	input[nfile].fp = stdin;
187	} else {
188	if (argv[an][0] == '!') {
189	input[nfile].name = Command;
190	input[nfile].fp = popen(argv[an]+1, "r");
191	} else {
192	input[nfile].name = argv[an];
193	input[nfile].fp = fopen(argv[an], "r");
194	}
195	if (input[nfile].fp == NULL) {
196	perror(argv[an]);
197	quit(1);
198	}
199	}
200	an++;
201	/* get header */
202	printf("%s:\n", input[nfile].name);
203	getheader(input[nfile].fp, tabputs, NULL);
204	if (wrongformat) {
205	fprintf(stderr, "%s: not a Radiance picture\n",
206	input[nfile].name);
207	quit(1);
208	}
209	/* get picture size */
210	if (fgetresolu(&input[nfile].xres, &input[nfile].yres,
211	input[nfile].fp) < 0) {
212	fprintf(stderr, "%s: bad picture size\n",
213	input[nfile].name);
214	quit(1);
215	}
216	if (ncolumns > 0) {
217	if (curcol >= ncolumns) {
218	cury = ymax + spacing;
219	curx = x0;
220	curcol = 0;
221	}
222	input[nfile].xloc = curx;
223	input[nfile].yloc = cury;
224	curx += input[nfile].xres + spacing;
225	curcol++;
226	} else {
227	input[nfile].xloc = atoi(argv[an++]);
228	input[nfile].yloc = atoi(argv[an++]);
229	}
230	if (input[nfile].xloc < xmin)
231	xmin = input[nfile].xloc;
232	if (input[nfile].yloc < ymin)
233	ymin = input[nfile].yloc;
234	if (input[nfile].xloc+input[nfile].xres > xmax)
235	xmax = input[nfile].xloc+input[nfile].xres;
236	if (input[nfile].yloc+input[nfile].yres > ymax)
237	ymax = input[nfile].yloc+input[nfile].yres;
238	if (thislabel != NULL) {
239	if (++nfile >= MAXFILE)
240	goto toomany;
241	input[nfile].name = Label;
242	input[nfile].hasmin = input[nfile].hasmax = 0;
243	input[nfile].xres = input[nfile-1].xres;
244	input[nfile].yres = labelht;
245	if ((input[nfile].fp = lblopen(thislabel,
246	&input[nfile].xres,
247	&input[nfile].yres)) == NULL)
248	goto labelerr;
249	input[nfile].xloc = input[nfile-1].xloc;
250	input[nfile].yloc = input[nfile-1].yloc +
251	input[nfile-1].yres-input[nfile].yres;
252	}
253	}
254	if (xsiz <= 0)
255	xsiz = xmax;
256	else if (xsiz > xmax)
257	xmax = xsiz;
258	if (ysiz <= 0)
259	ysiz = ymax;
260	else if (ysiz > ymax)
261	ymax = ysiz;
262	/* add new header info. */
263	printargs(argc, argv, stdout);
264	fputformat(COLRFMT, stdout);
265	putchar('\n');
266	fprtresolu(xsiz, ysiz, stdout);
267
268	compos();
269
270	quit(0);
271	userr:
272	fprintf(stderr,
273	"Usage: %s [-x xr][-y yr][-b r g b][-a n][-s p][-o x0 y0][-la][-lh h] ",
274	progname);
275	fprintf(stderr, "[-t min1][+t max1][-l lab] pic1 x1 y1 ..\n");
276	quit(1);
277	toomany:
278	fprintf(stderr, "%s: only %d files and labels allowed\n",
279	progname, MAXFILE);
280	quit(1);
281	labelerr:
282	fprintf(stderr, "%s: error opening label\n", progname);
283	quit(1);
284	}
285
286
287	compos() /* composite pictures */
288	{
289	COLR scanin, scanout;
290	int y;
291	register int x, i;
292
293	scanin = (COLR )malloc((xmax-xmin)sizeof(COLR));
294	if (scanin == NULL)
295	goto memerr;
296	scanin -= xmin;
297	if (checkthresh) {
298	scanout = (COLR )malloc(xsizsizeof(COLR));
299	if (scanout == NULL)
300	goto memerr;
301	} else
302	scanout = scanin;
303	for (y = ymax-1; y >= 0; y--) {
304	for (x = 0; x < xsiz; x++)
305	copycolr(scanout[x], bgcolr);
306	for (i = 0; i < nfile; i++) {
307	if (input[i].yloc > y \|\|
308	input[i].yloc+input[i].yres <= y)
309	continue;
310	if (freadcolrs(scanin+input[i].xloc,
311	input[i].xres, input[i].fp) < 0) {
312	fprintf(stderr, "%s: read error (y==%d)\n",
313	input[i].name,
314	y-input[i].yloc);
315	quit(1);
316	}
317	if (y >= ysiz)
318	continue;
319	if (checkthresh) {
320	x = input[i].xloc+input[i].xres;
321	if (x > xsiz)
322	x = xsiz;
323	for (x--; x >= 0 && x >= input[i].xloc; x--) {
324	if (input[i].hasmin &&
325	cmpcolr(scanin[x], input[i].thmin) <= 0)
326	continue;
327	if (input[i].hasmax &&
328	cmpcolr(scanin[x], input[i].thmax) >= 0)
329	continue;
330	copycolr(scanout[x], scanin[x]);
331	}
332	}
333	}
334	if (y >= ysiz)
335	continue;
336	if (fwritecolrs(scanout, xsiz, stdout) < 0) {
337	perror(progname);
338	quit(1);
339	}
340	}
341	return;
342	memerr:
343	perror(progname);
344	quit(1);
345	}
346
347
348	int
349	cmpcolr(c1, c2) /* compare two colr's (improvisation) */
350	register COLR c1, c2;
351	{
352	register int i, j;
353
354	j = 4; /* check exponents first! */
355	while (j--)
356	if (i = c1[j] - c2[j])
357	return(i);
358	return(0);
359	}
360
361
362	FILE *
363	lblopen(s, xp, yp) /* open pipe to label generator */
364	char *s;
365	int xp, yp;
366	{
367	char com[128];
368	FILE *fp;
369
370	sprintf(com, "psign -s -.15 -a 2 -x %d -y %d '%.90s'", xp, yp, s);
371	if ((fp = popen(com, "r")) == NULL)
372	return(NULL);
373	if (checkheader(fp, COLRFMT, NULL) < 0)
374	goto err;
375	if (fgetresolu(xp, yp, fp) < 0)
376	goto err;
377	return(fp);
378	err:
379	pclose(fp);
380	return(NULL);
381	}
382
383
384	quit(code) /* exit gracefully */
385	int code;
386	{
387	register int i;
388	/* close input files */
389	for (i = 0; i < nfile; i++)
390	if (input[i].name == Command \|\| input[i].name == Label)
391	pclose(input[i].fp);
392	else
393	fclose(input[i].fp);
394	exit(code);
395	}