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>

#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:	2.15
Committed:	Mon Sep 21 12:13:57 1992 UTC (31 years, 7 months ago) by greg
Content type:	text/plain
Branch:	MAIN
Changes since 2.14:	+13 -2 lines
Log Message:	Changes for PC port
#	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	#ifdef MSDOS
16	#include <fcntl.h>
17	#endif
18
19	#include "color.h"
20
21	#include "resolu.h"
22
23	#define MAXFILE 64
24
25	/* output picture size */
26	int xsiz = 0;
27	int ysiz = 0;
28	/* input dimensions */
29	int xmin = 0;
30	int ymin = 0;
31	int xmax = 0;
32	int ymax = 0;
33
34	COLR bgcolr = BLKCOLR; /* background color */
35
36	int labelht = 24; /* label height */
37
38	int checkthresh = 0; /* check threshold value */
39
40	char Command[] = "<Command>";
41	char Label[] = "<Label>";
42
43	char *progname;
44
45	struct {
46	char name; / file or command name */
47	FILE fp; / stream pointer */
48	int xres, yres; /* picture size */
49	int xloc, yloc; /* anchor point */
50	int hasmin, hasmax; /* has threshold values */
51	COLR thmin, thmax; /* thresholds */
52	} input[MAXFILE]; /* our input files */
53
54	int nfile; /* number of files */
55
56	int wrongformat = 0;
57
58	FILE popen(), lblopen();
59
60	extern char *malloc();
61
62
63	tabputs(s) /* print line preceded by a tab */
64	char *s;
65	{
66	char fmt[32];
67
68	if (isformat(s)) {
69	formatval(fmt, s);
70	wrongformat = strcmp(fmt, COLRFMT);
71	} else {
72	putc('\t', stdout);
73	fputs(s, stdout);
74	}
75	}
76
77
78	main(argc, argv)
79	int argc;
80	char *argv[];
81	{
82	int ncolumns = 0;
83	int autolabel = 0;
84	int curcol = 0, x0 = 0, curx = 0, cury = 0, spacing = 0;
85	char *thislabel;
86	int an;
87	#ifdef MSDOS
88	extern int _fmode;
89	_fmode = O_BINARY;
90	setmode(fileno(stdin), O_BINARY);
91	setmode(fileno(stdout), O_BINARY);
92	#endif
93	progname = argv[0];
94
95	for (an = 1; an < argc && argv[an][0] == '-'; an++)
96	switch (argv[an][1]) {
97	case 'x':
98	xsiz = atoi(argv[++an]);
99	break;
100	case 'y':
101	ysiz = atoi(argv[++an]);
102	break;
103	case 'b':
104	setcolr(bgcolr, atof(argv[an+1]),
105	atof(argv[an+2]),
106	atof(argv[an+3]));
107	an += 3;
108	break;
109	case 'a':
110	ncolumns = atoi(argv[++an]);
111	break;
112	case 's':
113	spacing = atoi(argv[++an]);
114	break;
115	case 'o':
116	curx = x0 = atoi(argv[++an]);
117	cury = atoi(argv[++an]);
118	break;
119	case 'l':
120	switch (argv[an][2]) {
121	case 'a':
122	autolabel++;
123	break;
124	case 'h':
125	labelht = atoi(argv[++an]);
126	break;
127	case '\0':
128	goto dofiles;
129	default:
130	goto userr;
131	}
132	break;
133	case '\0':
134	case 't':
135	goto dofiles;
136	default:
137	goto userr;
138	}
139	dofiles:
140	for (nfile = 0; an < argc; nfile++) {
141	if (nfile >= MAXFILE)
142	goto toomany;
143	thislabel = NULL;
144	input[nfile].hasmin = input[nfile].hasmax = 0;
145	while (an < argc && (argv[an][0] == '-' \|\| argv[an][0] == '+'))
146	switch (argv[an][1]) {
147	case 't':
148	checkthresh = 1;
149	if (argv[an][0] == '-') {
150	input[nfile].hasmin = 1;
151	setcolr(input[nfile].thmin,
152	atof(argv[an+1]),
153	atof(argv[an+1]),
154	atof(argv[an+1]));
155	} else {
156	input[nfile].hasmax = 1;
157	setcolr(input[nfile].thmax,
158	atof(argv[an+1]),
159	atof(argv[an+1]),
160	atof(argv[an+1]));
161	}
162	an += 2;
163	break;
164	case 'l':
165	if (strcmp(argv[an], "-l"))
166	goto userr;
167	thislabel = argv[an+1];
168	an += 2;
169	break;
170	case '\0':
171	if (argv[an][0] == '-')
172	goto getfile;
173	goto userr;
174	default:
175	goto userr;
176	}
177	getfile:
178	if (argc-an < (ncolumns ? 1 : 3))
179	goto userr;
180	if (autolabel && thislabel == NULL)
181	thislabel = argv[an];
182	if (!strcmp(argv[an], "-")) {
183	input[nfile].name = "<stdin>";
184	input[nfile].fp = stdin;
185	} else {
186	if (argv[an][0] == '!') {
187	input[nfile].name = Command;
188	input[nfile].fp = popen(argv[an]+1, "r");
189	} else {
190	input[nfile].name = argv[an];
191	input[nfile].fp = fopen(argv[an], "r");
192	}
193	if (input[nfile].fp == NULL) {
194	perror(argv[an]);
195	quit(1);
196	}
197	}
198	an++;
199	/* get header */
200	printf("%s:\n", input[nfile].name);
201	getheader(input[nfile].fp, tabputs, NULL);
202	if (wrongformat) {
203	fprintf(stderr, "%s: not a Radiance picture\n",
204	input[nfile].name);
205	quit(1);
206	}
207	/* get picture size */
208	if (fgetresolu(&input[nfile].xres, &input[nfile].yres,
209	input[nfile].fp) < 0) {
210	fprintf(stderr, "%s: bad picture size\n",
211	input[nfile].name);
212	quit(1);
213	}
214	if (ncolumns > 0) {
215	if (curcol >= ncolumns) {
216	cury = ymax + spacing;
217	curx = x0;
218	curcol = 0;
219	}
220	input[nfile].xloc = curx;
221	input[nfile].yloc = cury;
222	curx += input[nfile].xres + spacing;
223	curcol++;
224	} else {
225	input[nfile].xloc = atoi(argv[an++]);
226	input[nfile].yloc = atoi(argv[an++]);
227	}
228	if (input[nfile].xloc < xmin)
229	xmin = input[nfile].xloc;
230	if (input[nfile].yloc < ymin)
231	ymin = input[nfile].yloc;
232	if (input[nfile].xloc+input[nfile].xres > xmax)
233	xmax = input[nfile].xloc+input[nfile].xres;
234	if (input[nfile].yloc+input[nfile].yres > ymax)
235	ymax = input[nfile].yloc+input[nfile].yres;
236	if (thislabel != NULL) {
237	if (++nfile >= MAXFILE)
238	goto toomany;
239	input[nfile].name = Label;
240	input[nfile].hasmin = input[nfile].hasmax = 0;
241	input[nfile].xres = input[nfile-1].xres;
242	input[nfile].yres = labelht;
243	if ((input[nfile].fp = lblopen(thislabel,
244	&input[nfile].xres,
245	&input[nfile].yres)) == NULL)
246	goto labelerr;
247	input[nfile].xloc = input[nfile-1].xloc;
248	input[nfile].yloc = input[nfile-1].yloc +
249	input[nfile-1].yres-input[nfile].yres;
250	}
251	}
252	if (xsiz <= 0)
253	xsiz = xmax;
254	else if (xsiz > xmax)
255	xmax = xsiz;
256	if (ysiz <= 0)
257	ysiz = ymax;
258	else if (ysiz > ymax)
259	ymax = ysiz;
260	/* add new header info. */
261	printargs(argc, argv, stdout);
262	fputformat(COLRFMT, stdout);
263	putchar('\n');
264	fprtresolu(xsiz, ysiz, stdout);
265
266	compos();
267
268	quit(0);
269	userr:
270	fprintf(stderr,
271	"Usage: %s [-x xr][-y yr][-b r g b][-a n][-s p][-o x0 y0][-la][-lh h] ",
272	progname);
273	fprintf(stderr, "[-t min1][+t max1][-l lab] pic1 x1 y1 ..\n");
274	quit(1);
275	toomany:
276	fprintf(stderr, "%s: only %d files and labels allowed\n",
277	progname, MAXFILE);
278	quit(1);
279	labelerr:
280	fprintf(stderr, "%s: error opening label\n", progname);
281	quit(1);
282	}
283
284
285	compos() /* composite pictures */
286	{
287	COLR scanin, scanout;
288	int y;
289	register int x, i;
290
291	scanin = (COLR )malloc((xmax-xmin)sizeof(COLR));
292	if (scanin == NULL)
293	goto memerr;
294	scanin -= xmin;
295	if (checkthresh) {
296	scanout = (COLR )malloc(xsizsizeof(COLR));
297	if (scanout == NULL)
298	goto memerr;
299	} else
300	scanout = scanin;
301	for (y = ymax-1; y >= 0; y--) {
302	for (x = 0; x < xsiz; x++)
303	copycolr(scanout[x], bgcolr);
304	for (i = 0; i < nfile; i++) {
305	if (input[i].yloc > y \|\|
306	input[i].yloc+input[i].yres <= y)
307	continue;
308	if (freadcolrs(scanin+input[i].xloc,
309	input[i].xres, input[i].fp) < 0) {
310	fprintf(stderr, "%s: read error (y==%d)\n",
311	input[i].name,
312	y-input[i].yloc);
313	quit(1);
314	}
315	if (y >= ysiz)
316	continue;
317	if (checkthresh) {
318	x = input[i].xloc+input[i].xres;
319	if (x > xsiz)
320	x = xsiz;
321	for (x--; x >= 0 && x >= input[i].xloc; x--) {
322	if (input[i].hasmin &&
323	cmpcolr(scanin[x], input[i].thmin) <= 0)
324	continue;
325	if (input[i].hasmax &&
326	cmpcolr(scanin[x], input[i].thmax) >= 0)
327	continue;
328	copycolr(scanout[x], scanin[x]);
329	}
330	}
331	}
332	if (y >= ysiz)
333	continue;
334	if (fwritecolrs(scanout, xsiz, stdout) < 0) {
335	perror(progname);
336	quit(1);
337	}
338	}
339	return;
340	memerr:
341	perror(progname);
342	quit(1);
343	}
344
345
346	int
347	cmpcolr(c1, c2) /* compare two colr's (improvisation) */
348	register COLR c1, c2;
349	{
350	register int i, j;
351
352	j = 4; /* check exponents first! */
353	while (j--)
354	if (i = c1[j] - c2[j])
355	return(i);
356	return(0);
357	}
358
359
360	FILE *
361	lblopen(s, xp, yp) /* open pipe to label generator */
362	char *s;
363	int xp, yp;
364	{
365	char com[128];
366	FILE *fp;
367
368	sprintf(com, "psign -s -.15 -a 2 -x %d -y %d '%.90s'", xp, yp, s);
369	if ((fp = popen(com, "r")) == NULL)
370	return(NULL);
371	if (checkheader(fp, COLRFMT, NULL) < 0)
372	goto err;
373	if (fgetresolu(xp, yp, fp) < 0)
374	goto err;
375	return(fp);
376	err:
377	pclose(fp);
378	return(NULL);
379	}
380
381
382	quit(code) /* exit gracefully */
383	int code;
384	{
385	register int i;
386	/* close input files */
387	for (i = 0; i < nfile; i++)
388	if (input[i].name == Command \|\| input[i].name == Label)
389	pclose(input[i].fp);
390	else
391	fclose(input[i].fp);
392	exit(code);
393	}