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/* Copyright (c) 1996 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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* pfilt.c - program to post-process picture file. |
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* |
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#include "color.h" |
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#include "resolu.h" |
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#include "view.h" |
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#include "paths.h" |
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#define FEQ(a,b) ((a) >= .98*(b) && (a) <= 1.02*(b)) |
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double CHECKRAD = 1.5; /* radius to check for filtering */ |
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double CHECKRAD = 2.0; /* radius to check for filtering */ |
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#define THRESHRAD 5.0 /* maximum sample spread in output */ |
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int wrongformat = 0; |
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VIEW ourview = STDVIEW; |
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int gotview = 0; |
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int wrapfilt = 0; /* wrap filter horizontally? */ |
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int estatus = 0; /* exit status (for non-fatal errors) */ |
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int xrad; /* x search radius */ |
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int yrad; /* y search radius */ |
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int xbrad; /* x box size */ |
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int argc; |
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char **argv; |
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{ |
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extern long ftell(); |
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extern int quit(), headline(); |
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extern int headline(); |
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FILE *fin; |
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float *lampcolor; |
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char *lamptype = NULL; |
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fprintf(stderr, |
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"%s: exposure out of range\n", |
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argv[0]); |
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exit(1); |
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quit(1); |
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} |
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switch (argv[i][2]) { |
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case '\0': |
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case 'm': |
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thresh = atof(argv[++i]); |
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if (rad <= FTINY) |
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rad = 1.0; |
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rad = 0.6; |
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break; |
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case 'b': |
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rad = thresh = 0.0; |
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} |
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if (!(order & YMAJOR)) |
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inpaspect = 1.0/inpaspect; |
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/* wrap around for cylindrical view? */ |
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wrapfilt = gotview && ourview.type == VT_CYL && |
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ourview.horiz >= 360.-FTINY && order & YMAJOR; |
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/* compute output resolution */ |
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if (ncols <= 0) |
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ncols = x_c*xres + .5; |
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} |
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pass2(fin); |
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quit(0); |
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quit(estatus); |
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} |
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double (*ourbright)() = rgb_bright; |
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int |
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headline(s) /* process line from header */ |
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char *s; |
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{ |
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ourbright = xyz_bright; |
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else |
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wrongformat = !globmatch(PICFMT, fmt); |
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} |
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} else if (isview(s) && sscanview(&ourview, s) > 0) |
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gotview++; |
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return(0); |
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} |
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progname, (int)(100L*i/yres)); |
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yres = i; |
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y_r = (double)nrows/yres; |
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estatus++; |
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break; |
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} |
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pass1scan(scan, i); |
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} |
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free((char *)scan); |
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free((void *)scan); |
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} |
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scan2init(); |
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yread = 0; |
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for (r = 0; r < nrows; r++) { |
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ycent = (long)r*yres/nrows; |
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ycent = (r+.5)*yres/nrows; |
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while (yread <= ycent+yrad) { |
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if (yread < yres) { |
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if (freadscan(scanin[yread%barsize], |
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if (obarsize > 0) |
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scan2sync(r); |
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for (c = 0; c < ncols; c++) { |
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xcent = (long)c*xres/ncols; |
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xcent = (c+.5)*xres/ncols; |
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if (thresh > FTINY) |
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dothresh(xcent, ycent, c, r); |
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else if (rad > FTINY) |
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register int c; |
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/* average input scanlines */ |
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while (nextrow <= r+orad && nextrow < nrows) { |
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ybot = (long)nextrow*yres/nrows; |
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ybot = (nextrow+.5)*yres/nrows; |
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for (c = 0; c < ncols; c++) { |
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dobox(ctmp, (int)((long)c*xres/ncols),ybot, c,nextrow); |
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dobox(ctmp, (int)((c+.5)*xres/ncols),ybot, c,nextrow); |
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greybar[nextrow%obarsize][c] = (*ourbright)(ctmp); |
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} |
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/* and zero output scanline */ |
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break; |
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if (fflush(stdout) < 0) { |
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fprintf(stderr, "%s: write error at end of pass2\n", progname); |
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exit(1); |
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quit(1); |
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} |
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} |
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void |
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quit(code) /* remove temporary file and exit */ |
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int code; |
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{ |