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 (33 years, 11 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
#	User	Rev	Content
1	greg	1.7	/* Copyright (c) 1991 Regents of the University of California */
2	greg	1.1
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	greg	1.10	#include "resolu.h"
18	greg	1.1
19	greg	1.5	#define MAXFILE 32
20	greg	1.1
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	greg	1.9	int labelht = 24; /* label height */
33
34	greg	1.1	int checkthresh = 0; /* check threshold value */
35
36			char *progname;
37
38			struct {
39	greg	1.7	char name; / file or command name */
40	greg	1.1	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	greg	1.6	int wrongformat = 0;
50	greg	1.1
51	greg	1.9	FILE popen(), lblopen();
52	greg	1.6
53	greg	1.7
54	greg	1.1	tabputs(s) /* print line preceded by a tab */
55			char *s;
56			{
57	greg	1.6	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	greg	1.1	}
67
68
69			main(argc, argv)
70			int argc;
71			char *argv[];
72			{
73			double atof();
74	greg	1.7	int ncolumns = 0;
75	greg	1.9	int autolabel = 0;
76	greg	1.7	int curcol = 0, curx = 0, cury = 0;
77	greg	1.9	char *thislabel;
78	greg	1.1	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	greg	1.7	case 'a':
97			ncolumns = atoi(argv[++an]);
98			break;
99			case 'l':
100	greg	1.9	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	greg	1.7	break;
113	greg	1.1	case '\0':
114			case 't':
115			goto dofiles;
116			default:
117			goto userr;
118			}
119			dofiles:
120			for (nfile = 0; an < argc; nfile++) {
121	greg	1.9	if (nfile >= MAXFILE)
122			goto toomany;
123			if (autolabel)
124			thislabel = argv[an];
125			else
126			thislabel = NULL;
127	greg	1.1	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	greg	1.9	case 'l':
148			if (strcmp(argv[an], "-l"))
149			goto userr;
150			thislabel = argv[++an];
151			break;
152	greg	1.1	case '\0':
153			if (argv[an][0] == '-')
154			goto getfile;
155	greg	1.9	goto userr;
156	greg	1.1	default:
157			goto userr;
158			}
159			getfile:
160	greg	1.7	if (argc-an < (ncolumns ? 1 : 3))
161	greg	1.1	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	greg	1.7	if ((input[nfile].fp = argv[an][0] == '!' ?
168			popen(argv[an]+1, "r") :
169			fopen(argv[an], "r")) == NULL) {
170	greg	1.5	perror(argv[an]);
171	greg	1.1	quit(1);
172			}
173			}
174			an++;
175			/* get header */
176			printf("%s:\n", input[nfile].name);
177	greg	1.6	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	greg	1.1	/* get picture size */
184	greg	1.4	if (fgetresolu(&input[nfile].xres, &input[nfile].yres,
185	greg	1.10	input[nfile].fp) < 0) {
186	greg	1.1	fprintf(stderr, "%s: bad picture size\n",
187			input[nfile].name);
188			quit(1);
189			}
190	greg	1.7	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	greg	1.1	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	greg	1.9	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	greg	1.7	goto labelerr;
221			input[nfile].xloc = input[nfile-1].xloc;
222			input[nfile].yloc = input[nfile-1].yloc +
223	greg	1.9	input[nfile-1].yres-input[nfile].yres;
224	greg	1.7	}
225	greg	1.1	}
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	greg	1.6	fputformat(COLRFMT, stdout);
233	greg	1.10	putchar('\n');
234			fprtresolu(xsiz, ysiz, stdout);
235	greg	1.1
236			compos();
237
238			quit(0);
239			userr:
240	greg	1.9	fprintf(stderr, "Usage: %s [-x xr][-y yr][-b r g b][-a n][-la][-lh h] ",
241	greg	1.8	progname);
242	greg	1.9	fprintf(stderr, "[-t min1][+t max1][-l lab] pic1 x1 y1 ..\n");
243	greg	1.7	quit(1);
244	greg	1.9	toomany:
245			fprintf(stderr, "%s: only %d files and labels allowed\n",
246			progname, MAXFILE);
247			quit(1);
248	greg	1.7	labelerr:
249			fprintf(stderr, "%s: error opening label\n", progname);
250	greg	1.1	quit(1);
251			}
252
253
254			compos() /* composite pictures */
255			{
256			COLR scanin, scanout;
257			int y;
258			register int x, i;
259
260	greg	1.3	scanin = (COLR )malloc((xmax-xmin)sizeof(COLR));
261	greg	1.1	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	greg	1.2	fprintf(stderr, "%s: read error (y==%d)\n",
280			input[i].name,
281			y-input[i].yloc);
282	greg	1.1	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	greg	1.5	perror(progname);
305	greg	1.1	quit(1);
306			}
307			}
308			return;
309			memerr:
310	greg	1.5	perror(progname);
311	greg	1.1	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	greg	1.9	}
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	greg	1.10	if (fgetresolu(xp, yp, fp) < 0)
344	greg	1.9	goto err;
345			return(fp);
346			err:
347			pclose(fp);
348			return(NULL);
349	greg	1.1	}
350
351
352			quit(code) /* exit gracefully */
353			int code;
354			{
355			exit(code);
356			}