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  "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();


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;
{
        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:	2.14
Committed:	Tue Sep 8 10:36:22 1992 UTC (31 years, 7 months ago) by greg
Content type:	text/plain
Branch:	MAIN
Changes since 2.13:	+10 -19 lines
Log Message:	portability fixes
#	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 "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 Command[] = "<Command>";
37	char Label[] = "<Label>";
38
39	char *progname;
40
41	struct {
42	char name; / file or command name */
43	FILE fp; / stream pointer */
44	int xres, yres; /* picture size */
45	int xloc, yloc; /* anchor point */
46	int hasmin, hasmax; /* has threshold values */
47	COLR thmin, thmax; /* thresholds */
48	} input[MAXFILE]; /* our input files */
49
50	int nfile; /* number of files */
51
52	int wrongformat = 0;
53
54	FILE popen(), lblopen();
55
56
57	tabputs(s) /* print line preceded by a tab */
58	char *s;
59	{
60	char fmt[32];
61
62	if (isformat(s)) {
63	formatval(fmt, s);
64	wrongformat = strcmp(fmt, COLRFMT);
65	} else {
66	putc('\t', stdout);
67	fputs(s, stdout);
68	}
69	}
70
71
72	main(argc, argv)
73	int argc;
74	char *argv[];
75	{
76	int ncolumns = 0;
77	int autolabel = 0;
78	int curcol = 0, x0 = 0, curx = 0, cury = 0, spacing = 0;
79	char *thislabel;
80	int an;
81
82	progname = argv[0];
83
84	for (an = 1; an < argc && argv[an][0] == '-'; an++)
85	switch (argv[an][1]) {
86	case 'x':
87	xsiz = atoi(argv[++an]);
88	break;
89	case 'y':
90	ysiz = atoi(argv[++an]);
91	break;
92	case 'b':
93	setcolr(bgcolr, atof(argv[an+1]),
94	atof(argv[an+2]),
95	atof(argv[an+3]));
96	an += 3;
97	break;
98	case 'a':
99	ncolumns = atoi(argv[++an]);
100	break;
101	case 's':
102	spacing = atoi(argv[++an]);
103	break;
104	case 'o':
105	curx = x0 = atoi(argv[++an]);
106	cury = atoi(argv[++an]);
107	break;
108	case 'l':
109	switch (argv[an][2]) {
110	case 'a':
111	autolabel++;
112	break;
113	case 'h':
114	labelht = atoi(argv[++an]);
115	break;
116	case '\0':
117	goto dofiles;
118	default:
119	goto userr;
120	}
121	break;
122	case '\0':
123	case 't':
124	goto dofiles;
125	default:
126	goto userr;
127	}
128	dofiles:
129	for (nfile = 0; an < argc; nfile++) {
130	if (nfile >= MAXFILE)
131	goto toomany;
132	thislabel = NULL;
133	input[nfile].hasmin = input[nfile].hasmax = 0;
134	while (an < argc && (argv[an][0] == '-' \|\| argv[an][0] == '+'))
135	switch (argv[an][1]) {
136	case 't':
137	checkthresh = 1;
138	if (argv[an][0] == '-') {
139	input[nfile].hasmin = 1;
140	setcolr(input[nfile].thmin,
141	atof(argv[an+1]),
142	atof(argv[an+1]),
143	atof(argv[an+1]));
144	} else {
145	input[nfile].hasmax = 1;
146	setcolr(input[nfile].thmax,
147	atof(argv[an+1]),
148	atof(argv[an+1]),
149	atof(argv[an+1]));
150	}
151	an += 2;
152	break;
153	case 'l':
154	if (strcmp(argv[an], "-l"))
155	goto userr;
156	thislabel = argv[an+1];
157	an += 2;
158	break;
159	case '\0':
160	if (argv[an][0] == '-')
161	goto getfile;
162	goto userr;
163	default:
164	goto userr;
165	}
166	getfile:
167	if (argc-an < (ncolumns ? 1 : 3))
168	goto userr;
169	if (autolabel && thislabel == NULL)
170	thislabel = argv[an];
171	if (!strcmp(argv[an], "-")) {
172	input[nfile].name = "<stdin>";
173	input[nfile].fp = stdin;
174	} else {
175	if (argv[an][0] == '!') {
176	input[nfile].name = Command;
177	input[nfile].fp = popen(argv[an]+1, "r");
178	} else {
179	input[nfile].name = argv[an];
180	input[nfile].fp = fopen(argv[an], "r");
181	}
182	if (input[nfile].fp == NULL) {
183	perror(argv[an]);
184	quit(1);
185	}
186	}
187	an++;
188	/* get header */
189	printf("%s:\n", input[nfile].name);
190	getheader(input[nfile].fp, tabputs, NULL);
191	if (wrongformat) {
192	fprintf(stderr, "%s: not a Radiance picture\n",
193	input[nfile].name);
194	quit(1);
195	}
196	/* get picture size */
197	if (fgetresolu(&input[nfile].xres, &input[nfile].yres,
198	input[nfile].fp) < 0) {
199	fprintf(stderr, "%s: bad picture size\n",
200	input[nfile].name);
201	quit(1);
202	}
203	if (ncolumns > 0) {
204	if (curcol >= ncolumns) {
205	cury = ymax + spacing;
206	curx = x0;
207	curcol = 0;
208	}
209	input[nfile].xloc = curx;
210	input[nfile].yloc = cury;
211	curx += input[nfile].xres + spacing;
212	curcol++;
213	} else {
214	input[nfile].xloc = atoi(argv[an++]);
215	input[nfile].yloc = atoi(argv[an++]);
216	}
217	if (input[nfile].xloc < xmin)
218	xmin = input[nfile].xloc;
219	if (input[nfile].yloc < ymin)
220	ymin = input[nfile].yloc;
221	if (input[nfile].xloc+input[nfile].xres > xmax)
222	xmax = input[nfile].xloc+input[nfile].xres;
223	if (input[nfile].yloc+input[nfile].yres > ymax)
224	ymax = input[nfile].yloc+input[nfile].yres;
225	if (thislabel != NULL) {
226	if (++nfile >= MAXFILE)
227	goto toomany;
228	input[nfile].name = Label;
229	input[nfile].hasmin = input[nfile].hasmax = 0;
230	input[nfile].xres = input[nfile-1].xres;
231	input[nfile].yres = labelht;
232	if ((input[nfile].fp = lblopen(thislabel,
233	&input[nfile].xres,
234	&input[nfile].yres)) == NULL)
235	goto labelerr;
236	input[nfile].xloc = input[nfile-1].xloc;
237	input[nfile].yloc = input[nfile-1].yloc +
238	input[nfile-1].yres-input[nfile].yres;
239	}
240	}
241	if (xsiz <= 0)
242	xsiz = xmax;
243	else if (xsiz > xmax)
244	xmax = xsiz;
245	if (ysiz <= 0)
246	ysiz = ymax;
247	else if (ysiz > ymax)
248	ymax = ysiz;
249	/* add new header info. */
250	printargs(argc, argv, stdout);
251	fputformat(COLRFMT, stdout);
252	putchar('\n');
253	fprtresolu(xsiz, ysiz, stdout);
254
255	compos();
256
257	quit(0);
258	userr:
259	fprintf(stderr,
260	"Usage: %s [-x xr][-y yr][-b r g b][-a n][-s p][-o x0 y0][-la][-lh h] ",
261	progname);
262	fprintf(stderr, "[-t min1][+t max1][-l lab] pic1 x1 y1 ..\n");
263	quit(1);
264	toomany:
265	fprintf(stderr, "%s: only %d files and labels allowed\n",
266	progname, MAXFILE);
267	quit(1);
268	labelerr:
269	fprintf(stderr, "%s: error opening label\n", progname);
270	quit(1);
271	}
272
273
274	compos() /* composite pictures */
275	{
276	COLR scanin, scanout;
277	int y;
278	register int x, i;
279
280	scanin = (COLR )malloc((xmax-xmin)sizeof(COLR));
281	if (scanin == NULL)
282	goto memerr;
283	scanin -= xmin;
284	if (checkthresh) {
285	scanout = (COLR )malloc(xsizsizeof(COLR));
286	if (scanout == NULL)
287	goto memerr;
288	} else
289	scanout = scanin;
290	for (y = ymax-1; y >= 0; y--) {
291	for (x = 0; x < xsiz; x++)
292	copycolr(scanout[x], bgcolr);
293	for (i = 0; i < nfile; i++) {
294	if (input[i].yloc > y \|\|
295	input[i].yloc+input[i].yres <= y)
296	continue;
297	if (freadcolrs(scanin+input[i].xloc,
298	input[i].xres, input[i].fp) < 0) {
299	fprintf(stderr, "%s: read error (y==%d)\n",
300	input[i].name,
301	y-input[i].yloc);
302	quit(1);
303	}
304	if (y >= ysiz)
305	continue;
306	if (checkthresh) {
307	x = input[i].xloc+input[i].xres;
308	if (x > xsiz)
309	x = xsiz;
310	for (x--; x >= 0 && x >= input[i].xloc; x--) {
311	if (input[i].hasmin &&
312	cmpcolr(scanin[x], input[i].thmin) <= 0)
313	continue;
314	if (input[i].hasmax &&
315	cmpcolr(scanin[x], input[i].thmax) >= 0)
316	continue;
317	copycolr(scanout[x], scanin[x]);
318	}
319	}
320	}
321	if (y >= ysiz)
322	continue;
323	if (fwritecolrs(scanout, xsiz, stdout) < 0) {
324	perror(progname);
325	quit(1);
326	}
327	}
328	return;
329	memerr:
330	perror(progname);
331	quit(1);
332	}
333
334
335	int
336	cmpcolr(c1, c2) /* compare two colr's (improvisation) */
337	register COLR c1, c2;
338	{
339	register int i, j;
340
341	j = 4; /* check exponents first! */
342	while (j--)
343	if (i = c1[j] - c2[j])
344	return(i);
345	return(0);
346	}
347
348
349	FILE *
350	lblopen(s, xp, yp) /* open pipe to label generator */
351	char *s;
352	int xp, yp;
353	{
354	char com[128];
355	FILE *fp;
356
357	sprintf(com, "psign -s -.15 -a 2 -x %d -y %d '%.90s'", xp, yp, s);
358	if ((fp = popen(com, "r")) == NULL)
359	return(NULL);
360	if (checkheader(fp, COLRFMT, NULL) < 0)
361	goto err;
362	if (fgetresolu(xp, yp, fp) < 0)
363	goto err;
364	return(fp);
365	err:
366	pclose(fp);
367	return(NULL);
368	}
369
370
371	quit(code) /* exit gracefully */
372	int code;
373	{
374	register int i;
375	/* close input files */
376	for (i = 0; i < nfile; i++)
377	if (input[i].name == Command \|\| input[i].name == Label)
378	pclose(input[i].fp);
379	else
380	fclose(input[i].fp);
381	exit(code);
382	}