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/* Copyright (c) 1991 Regents of the University of California */ |
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#ifndef lint |
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static char SCCSid[] = "$SunId$ LBL"; |
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static const char RCSid[] = "$Id$"; |
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#endif |
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/* |
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* Circle sources in a displayed image. |
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* |
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*/ |
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#include "standard.h" |
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#include "view.h" |
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#include "resolu.h" |
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#include <unistd.h> |
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#include <signal.h> |
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#include <X11/Xlib.h> |
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#include <X11/Xutil.h> |
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#ifndef BSD |
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#define vfork fork |
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#endif |
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#include "view.h" |
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#define XIM "ximage" |
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VIEW ourview = STDVIEW; /* view for picture */ |
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RESOLU pres; /* picture resolution */ |
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char *progname; /* program name */ |
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Display *theDisplay = NULL; /* connection to server */ |
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#define rwind RootWindow(theDisplay,ourScreen) |
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GC vecGC, strGC; |
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Window gwind; |
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static void init(char *pname, char *wname); |
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static void circle_sources(FILE *fp); |
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static void circle(FVECT dir, double dom); |
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static void value(FVECT dir, double v); |
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main(argc, argv) |
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int argc; |
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char *argv[]; |
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|
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int |
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main( |
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int argc, |
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char *argv[] |
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) |
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{ |
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char *windowname = NULL; |
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FILE *fp; |
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progname = *argv++; argc--; |
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fixargv0(*argv++); argc--; |
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while (argc > 0 && argv[0][0] == '-') { |
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switch (argv[0][1]) { |
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case 'n': |
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} |
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init(pname, wname) /* get view and find window */ |
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char *pname, *wname; |
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static void |
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init( /* get view and find window */ |
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char *pname, |
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char *wname |
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) |
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{ |
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extern Window xfindwind(); |
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XWindowAttributes wa; |
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XColor xc; |
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XGCValues gcv; |
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register int i; |
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/* get the viewing parameters */ |
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if (viewfile(pname, &ourview, &pres) <= 0 || |
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setview(&ourview) != NULL) { |
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exit(1); |
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} |
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/* find our window */ |
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if (wname == NULL) |
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wname = pname; |
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gwind = xfindwind(theDisplay, rwind, wname, 2); |
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if (wname == NULL) { |
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/* remove directory prefix from name */ |
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for (i = strlen(pname); i-- > 0; ) |
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if (pname[i] == '/') |
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break; |
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wname = pname+i+1; |
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i = 0; |
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} else |
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i = 1; |
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gwind = xfindwind(theDisplay, rwind, wname, 4); |
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if (gwind == None) { |
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if (wname != pname) { |
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if (i) { |
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fprintf(stderr, "%s: cannot find \"%s\" window\n", |
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progname, wname); |
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exit(2); |
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} |
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/* start ximage */ |
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if (vfork() == 0) { |
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execlp(XIM, XIM, pname, 0); |
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if (fork() == 0) { |
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execlp(XIM, XIM, "-c", "256", pname, 0); |
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perror(XIM); |
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fprintf(stderr, "%s: cannot start %s\n", |
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progname, XIM); |
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} |
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do |
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sleep(8); |
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while ((gwind=xfindwind(theDisplay,rwind,pname,2)) == None); |
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while ((gwind=xfindwind(theDisplay,rwind,wname,4)) == None); |
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} else |
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XMapRaised(theDisplay, gwind); |
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do { |
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fprintf(stderr, |
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"%s: warning -- window seems to be the wrong size!\n", |
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progname); |
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if (pres.or & YMAJOR) { |
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if (pres.rt & YMAJOR) { |
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pres.xr = wa.width; |
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pres.yr = wa.height; |
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} else { |
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} |
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circle_sources(fp) /* circle sources listed in fp */ |
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FILE *fp; |
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static void |
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circle_sources( /* circle sources listed in fp */ |
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FILE *fp |
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) |
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{ |
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char linbuf[256]; |
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int reading = 0; |
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XFlush(theDisplay); |
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return; |
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} |
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if (sscanf(linbuf, "%lf %lf %lf %lf %lf", |
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&dir[0], &dir[1], &dir[2], |
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&dom, &lum) != 5) |
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if (sscanf(linbuf, FVFORMAT, |
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&dir[0], &dir[1], &dir[2]) != 3 || |
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sscanf(sskip2(linbuf, 3), "%lf %lf", |
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&dom, &lum) != 2) |
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break; |
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circle(dir, dom); |
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value(dir, lum); |
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} |
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circle(dir, dom) /* indicate a solid angle on image */ |
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FVECT dir; |
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double dom; |
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static void |
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circle( /* indicate a solid angle on image */ |
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FVECT dir, |
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double dom |
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) |
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{ |
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FVECT start, cur; |
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XPoint pt[NSEG+1]; |
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cur[0] += ourview.vp[0]; |
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cur[1] += ourview.vp[1]; |
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cur[2] += ourview.vp[2]; |
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viewloc(pp, &ourview, cur); |
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if (pp[2] <= 0.0) |
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if (viewloc(pp, &ourview, cur) != VL_GOOD) |
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goto fail; |
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loc2pix(ip, &pres, pp[0], pp[1]); |
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pt[i].x = ip[0]; |
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} |
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value(dir, v) /* print value on image */ |
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FVECT dir; |
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double v; |
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static void |
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value( /* print value on image */ |
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FVECT dir, |
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double v |
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) |
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{ |
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FVECT pos; |
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FVECT pp; |
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pos[0] = ourview.vp[0] + dir[0]; |
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pos[1] = ourview.vp[1] + dir[1]; |
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pos[2] = ourview.vp[2] + dir[2]; |
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viewloc(pp, &ourview, pos); |
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if (pp[2] <= 0.0) |
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if (viewloc(pp, &ourview, pos) != VL_GOOD) |
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return; |
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loc2pix(ip, &pres, pp[0], pp[1]); |
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sprintf(buf, "%.0f", v); |