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;
                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+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 (!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 -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:	2.4
Committed:	Wed Feb 19 17:08:00 1992 UTC (32 years, 2 months ago) by greg
Content type:	text/plain
Branch:	MAIN
Changes since 2.3:	+8 -4 lines
Log Message:	changed header information with commands
#	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	greg	1.7	int ncolumns = 0;
74	greg	1.9	int autolabel = 0;
75	greg	1.7	int curcol = 0, curx = 0, cury = 0;
76	greg	1.9	char *thislabel;
77	greg	1.1	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	greg	1.7	case 'a':
96			ncolumns = atoi(argv[++an]);
97			break;
98			case 'l':
99	greg	1.9	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	greg	1.7	break;
112	greg	1.1	case '\0':
113			case 't':
114			goto dofiles;
115			default:
116			goto userr;
117			}
118			dofiles:
119			for (nfile = 0; an < argc; nfile++) {
120	greg	1.9	if (nfile >= MAXFILE)
121			goto toomany;
122			if (autolabel)
123			thislabel = argv[an];
124			else
125			thislabel = NULL;
126	greg	1.1	input[nfile].hasmin = input[nfile].hasmax = 0;
127			while (an < argc && (argv[an][0] == '-' \|\| argv[an][0] == '+'))
128			switch (argv[an][1]) {
129			case 't':
130			checkthresh = 1;
131			if (argv[an][0] == '-') {
132			input[nfile].hasmin = 1;
133			setcolr(input[nfile].thmin,
134			atof(argv[an+1]),
135			atof(argv[an+1]),
136			atof(argv[an+1]));
137			} else {
138			input[nfile].hasmax = 1;
139			setcolr(input[nfile].thmax,
140			atof(argv[an+1]),
141			atof(argv[an+1]),
142			atof(argv[an+1]));
143			}
144			an += 2;
145			break;
146	greg	1.9	case 'l':
147			if (strcmp(argv[an], "-l"))
148			goto userr;
149	greg	2.3	thislabel = argv[an+1];
150			an += 2;
151	greg	1.9	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	greg	2.4	if (argv[an][0] == '!') {
167			input[nfile].name = "<Command>";
168			input[nfile].fp = popen(argv[an]+1, "r");
169			} else {
170			input[nfile].name = argv[an];
171			input[nfile].fp = fopen(argv[an], "r");
172			}
173			if (input[nfile].fp == NULL) {
174	greg	1.5	perror(argv[an]);
175	greg	1.1	quit(1);
176			}
177			}
178			an++;
179			/* get header */
180			printf("%s:\n", input[nfile].name);
181	greg	1.6	getheader(input[nfile].fp, tabputs, NULL);
182			if (wrongformat) {
183			fprintf(stderr, "%s: not a Radiance picture\n",
184			input[nfile].name);
185			quit(1);
186			}
187	greg	1.1	/* get picture size */
188	greg	1.4	if (fgetresolu(&input[nfile].xres, &input[nfile].yres,
189	greg	1.10	input[nfile].fp) < 0) {
190	greg	1.1	fprintf(stderr, "%s: bad picture size\n",
191			input[nfile].name);
192			quit(1);
193			}
194	greg	1.7	if (ncolumns > 0) {
195			if (curcol >= ncolumns) {
196			cury = ymax;
197			curx = 0;
198			curcol = 0;
199			}
200			input[nfile].xloc = curx;
201			input[nfile].yloc = cury;
202			curx += input[nfile].xres;
203			curcol++;
204			} else {
205			input[nfile].xloc = atoi(argv[an++]);
206			input[nfile].yloc = atoi(argv[an++]);
207			}
208	greg	1.1	if (input[nfile].xloc < xmin)
209			xmin = input[nfile].xloc;
210			if (input[nfile].yloc < ymin)
211			ymin = input[nfile].yloc;
212			if (input[nfile].xloc+input[nfile].xres > xmax)
213			xmax = input[nfile].xloc+input[nfile].xres;
214			if (input[nfile].yloc+input[nfile].yres > ymax)
215			ymax = input[nfile].yloc+input[nfile].yres;
216	greg	1.9	if (thislabel != NULL) {
217			if (++nfile >= MAXFILE)
218			goto toomany;
219			input[nfile].name = "<Label>";
220			input[nfile].hasmin = input[nfile].hasmax = 0;
221			if ((input[nfile].fp = lblopen(thislabel,
222			&input[nfile].xres,
223			&input[nfile].yres)) == NULL)
224	greg	1.7	goto labelerr;
225			input[nfile].xloc = input[nfile-1].xloc;
226			input[nfile].yloc = input[nfile-1].yloc +
227	greg	1.9	input[nfile-1].yres-input[nfile].yres;
228	greg	1.7	}
229	greg	1.1	}
230			if (xsiz <= 0)
231			xsiz = xmax;
232			if (ysiz <= 0)
233			ysiz = ymax;
234			/* add new header info. */
235			printargs(argc, argv, stdout);
236	greg	1.6	fputformat(COLRFMT, stdout);
237	greg	1.10	putchar('\n');
238			fprtresolu(xsiz, ysiz, stdout);
239	greg	1.1
240			compos();
241
242			quit(0);
243			userr:
244	greg	1.9	fprintf(stderr, "Usage: %s [-x xr][-y yr][-b r g b][-a n][-la][-lh h] ",
245	greg	1.8	progname);
246	greg	1.9	fprintf(stderr, "[-t min1][+t max1][-l lab] pic1 x1 y1 ..\n");
247	greg	1.7	quit(1);
248	greg	1.9	toomany:
249			fprintf(stderr, "%s: only %d files and labels allowed\n",
250			progname, MAXFILE);
251			quit(1);
252	greg	1.7	labelerr:
253			fprintf(stderr, "%s: error opening label\n", progname);
254	greg	1.1	quit(1);
255			}
256
257
258			compos() /* composite pictures */
259			{
260			COLR scanin, scanout;
261			int y;
262			register int x, i;
263
264	greg	1.3	scanin = (COLR )malloc((xmax-xmin)sizeof(COLR));
265	greg	1.1	if (scanin == NULL)
266			goto memerr;
267			scanin -= xmin;
268			if (checkthresh) {
269			scanout = (COLR )malloc(xsizsizeof(COLR));
270			if (scanout == NULL)
271			goto memerr;
272			} else
273			scanout = scanin;
274			for (y = ymax-1; y >= 0; y--) {
275			for (x = 0; x < xsiz; x++)
276			copycolr(scanout[x], bgcolr);
277			for (i = 0; i < nfile; i++) {
278			if (input[i].yloc > y \|\|
279			input[i].yloc+input[i].yres <= y)
280			continue;
281			if (freadcolrs(scanin+input[i].xloc,
282			input[i].xres, input[i].fp) < 0) {
283	greg	1.2	fprintf(stderr, "%s: read error (y==%d)\n",
284			input[i].name,
285			y-input[i].yloc);
286	greg	1.1	quit(1);
287			}
288			if (y >= ysiz)
289			continue;
290			if (checkthresh) {
291			x = input[i].xloc+input[i].xres;
292			if (x > xsiz)
293			x = xsiz;
294			for (x--; x >= 0 && x >= input[i].xloc; x--) {
295			if (input[i].hasmin &&
296			cmpcolr(scanin[x], input[i].thmin) <= 0)
297			continue;
298			if (input[i].hasmax &&
299			cmpcolr(scanin[x], input[i].thmax) >= 0)
300			continue;
301			copycolr(scanout[x], scanin[x]);
302			}
303			}
304			}
305			if (y >= ysiz)
306			continue;
307			if (fwritecolrs(scanout, xsiz, stdout) < 0) {
308	greg	1.5	perror(progname);
309	greg	1.1	quit(1);
310			}
311			}
312			return;
313			memerr:
314	greg	1.5	perror(progname);
315	greg	1.1	quit(1);
316			}
317
318
319			int
320			cmpcolr(c1, c2) /* compare two colr's (improvisation) */
321			register COLR c1, c2;
322			{
323			register int i, j;
324
325			j = 4; /* check exponents first! */
326			while (j--)
327			if (i = c1[j] - c2[j])
328			return(i);
329			return(0);
330	greg	1.9	}
331
332
333			FILE *
334			lblopen(s, xp, yp) /* open pipe to label generator */
335			char *s;
336			int xp, yp;
337			{
338			char com[128];
339			FILE *fp;
340
341			sprintf(com, "psign -h %d '%.30s' \| pfilt -1 -x /2 -y /2",
342			2*labelht, s);
343			if ((fp = popen(com, "r")) == NULL)
344			return(NULL);
345			if (checkheader(fp, COLRFMT, NULL) < 0)
346			goto err;
347	greg	1.10	if (fgetresolu(xp, yp, fp) < 0)
348	greg	1.9	goto err;
349			return(fp);
350			err:
351			pclose(fp);
352			return(NULL);
353	greg	1.1	}
354
355
356			quit(code) /* exit gracefully */
357			int code;
358			{
359			exit(code);
360			}