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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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* 6/23/93 Added additional buffers for value spreading |
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*/ |
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#include "standard.h" |
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#include "copyright.h" |
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#include <signal.h> |
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#include <string.h> |
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#include "standard.h" |
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#include "platform.h" |
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#include "color.h" |
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#include "view.h" |
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#include "resolu.h" |
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#include "paths.h" |
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extern float *matchlamp(); |
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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 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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double outaspect = 0.0; |
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double d; |
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int i, j; |
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#ifdef MSDOS |
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extern int _fmode; |
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_fmode = O_BINARY; |
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setmode(fileno(stdin), O_BINARY); |
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setmode(fileno(stdout), O_BINARY); |
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#endif |
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SET_DEFAULT_BINARY(); |
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SET_FILE_BINARY(stdin); |
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SET_FILE_BINARY(stdout); |
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if (signal(SIGINT, quit) == SIG_IGN) |
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signal(SIGINT, SIG_IGN); |
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#ifdef SIGHUP |
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if (signal(SIGHUP, quit) == SIG_IGN) |
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signal(SIGHUP, SIG_IGN); |
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#endif |
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signal(SIGTERM, quit); |
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#ifdef SIGPIPE |
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signal(SIGPIPE, quit); |
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#endif |
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#ifdef SIGXCPU |
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signal(SIGXCPU, quit); |
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signal(SIGXFSZ, quit); |
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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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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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wrongformat = !globmatch(PICFMT, fmt); |
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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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} |
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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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bzero((char *)scoutbar[nextrow%obarsize], ncols*sizeof(COLOR)); |
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memset((char *)scoutbar[nextrow%obarsize], '\0', ncols*sizeof(COLOR)); |
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nextrow++; |
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} |
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/* point to top scanline for output */ |
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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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{ |