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
#	User	Rev	Content
1	greg	2.14	/* Copyright (c) 1992 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	2.8	#define MAXFILE 64
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	greg	2.14	char Command[] = "<Command>";
37			char Label[] = "<Label>";
38
39	greg	1.1	char *progname;
40
41			struct {
42	greg	1.7	char name; / file or command name */
43	greg	1.1	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	greg	1.6	int wrongformat = 0;
53	greg	1.1
54	greg	1.9	FILE popen(), lblopen();
55	greg	1.6
56	greg	1.7
57	greg	1.1	tabputs(s) /* print line preceded by a tab */
58			char *s;
59			{
60	greg	1.6	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	greg	1.1	}
70
71
72			main(argc, argv)
73			int argc;
74			char *argv[];
75			{
76	greg	1.7	int ncolumns = 0;
77	greg	1.9	int autolabel = 0;
78	greg	2.11	int curcol = 0, x0 = 0, curx = 0, cury = 0, spacing = 0;
79	greg	1.9	char *thislabel;
80	greg	1.1	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	greg	2.11	xsiz = atoi(argv[++an]);
88	greg	1.1	break;
89			case 'y':
90	greg	2.11	ysiz = atoi(argv[++an]);
91	greg	1.1	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	greg	1.7	case 'a':
99			ncolumns = atoi(argv[++an]);
100			break;
101	greg	2.11	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	greg	1.7	case 'l':
109	greg	1.9	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	greg	1.7	break;
122	greg	1.1	case '\0':
123			case 't':
124			goto dofiles;
125			default:
126			goto userr;
127			}
128			dofiles:
129			for (nfile = 0; an < argc; nfile++) {
130	greg	1.9	if (nfile >= MAXFILE)
131			goto toomany;
132	greg	2.6	thislabel = NULL;
133	greg	1.1	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	greg	1.9	case 'l':
154			if (strcmp(argv[an], "-l"))
155			goto userr;
156	greg	2.3	thislabel = argv[an+1];
157			an += 2;
158	greg	1.9	break;
159	greg	1.1	case '\0':
160			if (argv[an][0] == '-')
161			goto getfile;
162	greg	1.9	goto userr;
163	greg	1.1	default:
164			goto userr;
165			}
166			getfile:
167	greg	1.7	if (argc-an < (ncolumns ? 1 : 3))
168	greg	1.1	goto userr;
169	greg	2.6	if (autolabel && thislabel == NULL)
170			thislabel = argv[an];
171	greg	1.1	if (!strcmp(argv[an], "-")) {
172			input[nfile].name = "<stdin>";
173			input[nfile].fp = stdin;
174			} else {
175	greg	2.4	if (argv[an][0] == '!') {
176	greg	2.14	input[nfile].name = Command;
177	greg	2.4	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	greg	1.5	perror(argv[an]);
184	greg	1.1	quit(1);
185			}
186			}
187			an++;
188			/* get header */
189			printf("%s:\n", input[nfile].name);
190	greg	1.6	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	greg	1.1	/* get picture size */
197	greg	1.4	if (fgetresolu(&input[nfile].xres, &input[nfile].yres,
198	greg	1.10	input[nfile].fp) < 0) {
199	greg	1.1	fprintf(stderr, "%s: bad picture size\n",
200			input[nfile].name);
201			quit(1);
202			}
203	greg	1.7	if (ncolumns > 0) {
204			if (curcol >= ncolumns) {
205	greg	2.11	cury = ymax + spacing;
206			curx = x0;
207	greg	1.7	curcol = 0;
208			}
209			input[nfile].xloc = curx;
210			input[nfile].yloc = cury;
211	greg	2.11	curx += input[nfile].xres + spacing;
212	greg	1.7	curcol++;
213			} else {
214			input[nfile].xloc = atoi(argv[an++]);
215			input[nfile].yloc = atoi(argv[an++]);
216			}
217	greg	1.1	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	greg	1.9	if (thislabel != NULL) {
226			if (++nfile >= MAXFILE)
227			goto toomany;
228	greg	2.14	input[nfile].name = Label;
229	greg	1.9	input[nfile].hasmin = input[nfile].hasmax = 0;
230	greg	2.7	input[nfile].xres = input[nfile-1].xres;
231			input[nfile].yres = labelht;
232	greg	1.9	if ((input[nfile].fp = lblopen(thislabel,
233			&input[nfile].xres,
234			&input[nfile].yres)) == NULL)
235	greg	1.7	goto labelerr;
236			input[nfile].xloc = input[nfile-1].xloc;
237			input[nfile].yloc = input[nfile-1].yloc +
238	greg	1.9	input[nfile-1].yres-input[nfile].yres;
239	greg	1.7	}
240	greg	1.1	}
241			if (xsiz <= 0)
242			xsiz = xmax;
243	greg	2.11	else if (xsiz > xmax)
244			xmax = xsiz;
245	greg	1.1	if (ysiz <= 0)
246			ysiz = ymax;
247	greg	2.11	else if (ysiz > ymax)
248			ymax = ysiz;
249	greg	1.1	/* add new header info. */
250			printargs(argc, argv, stdout);
251	greg	1.6	fputformat(COLRFMT, stdout);
252	greg	1.10	putchar('\n');
253			fprtresolu(xsiz, ysiz, stdout);
254	greg	1.1
255			compos();
256
257			quit(0);
258			userr:
259	greg	2.11	fprintf(stderr,
260			"Usage: %s [-x xr][-y yr][-b r g b][-a n][-s p][-o x0 y0][-la][-lh h] ",
261	greg	1.8	progname);
262	greg	1.9	fprintf(stderr, "[-t min1][+t max1][-l lab] pic1 x1 y1 ..\n");
263	greg	1.7	quit(1);
264	greg	1.9	toomany:
265			fprintf(stderr, "%s: only %d files and labels allowed\n",
266			progname, MAXFILE);
267			quit(1);
268	greg	1.7	labelerr:
269			fprintf(stderr, "%s: error opening label\n", progname);
270	greg	1.1	quit(1);
271			}
272
273
274			compos() /* composite pictures */
275			{
276			COLR scanin, scanout;
277			int y;
278			register int x, i;
279
280	greg	1.3	scanin = (COLR )malloc((xmax-xmin)sizeof(COLR));
281	greg	1.1	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	greg	1.2	fprintf(stderr, "%s: read error (y==%d)\n",
300			input[i].name,
301			y-input[i].yloc);
302	greg	1.1	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	greg	1.5	perror(progname);
325	greg	1.1	quit(1);
326			}
327			}
328			return;
329			memerr:
330	greg	1.5	perror(progname);
331	greg	1.1	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	greg	1.9	}
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	greg	2.7	sprintf(com, "psign -s -.15 -a 2 -x %d -y %d '%.90s'", xp, yp, s);
358	greg	1.9	if ((fp = popen(com, "r")) == NULL)
359			return(NULL);
360			if (checkheader(fp, COLRFMT, NULL) < 0)
361			goto err;
362	greg	1.10	if (fgetresolu(xp, yp, fp) < 0)
363	greg	1.9	goto err;
364			return(fp);
365			err:
366			pclose(fp);
367			return(NULL);
368	greg	1.1	}
369
370
371			quit(code) /* exit gracefully */
372			int code;
373			{
374	greg	2.13	register int i;
375			/* close input files */
376			for (i = 0; i < nfile; i++)
377	greg	2.14	if (input[i].name == Command \|\| input[i].name == Label)
378			pclose(input[i].fp);
379			else
380			fclose(input[i].fp);
381	greg	1.1	exit(code);
382			}