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/* Copyright (c) 1986 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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/* |
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* pfilt.c - program to post-process picture file. |
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* |
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* 9/26/85 |
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* 6/23/93 Added additional buffers for value spreading |
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*/ |
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|
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< |
#include <stdio.h> |
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#include "standard.h" |
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#include <signal.h> |
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#include "color.h" |
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#include "view.h" |
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|
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< |
extern char *malloc(); |
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#include "paths.h" |
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|
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#define CHECKRAD 1.5 /* radius to check for filtering */ |
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extern float *matchlamp(); |
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|
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#define FEQ(a,b) ((a) >= .98*(b) && (a) <= 1.02*(b)) |
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|
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double CHECKRAD = 1.5; /* radius to check for filtering */ |
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|
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#define THRESHRAD 5.0 /* maximum sample spread in output */ |
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|
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COLOR exposure = WHTCOLOR; /* exposure for the frame */ |
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|
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double rad = 0.0; /* output pixel radius for filtering */ |
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double rad = 0.0; /* output pixel radius for filtering */ |
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|
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double thresh = 0.0; /* maximum contribution for subpixel */ |
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|
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int nrows = 0; /* number of rows for output */ |
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int ncols = 0; /* number of columns for output */ |
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|
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double x_c = 1.0; /* ratio of output x size to input */ |
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double y_r = 1.0; /* ratio of output y size to input */ |
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> |
double x_c = 1.0; /* ratio of output x size to input */ |
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> |
double y_r = 1.0; /* ratio of output y size to input */ |
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|
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int singlepass = 0; /* true means skip first pass */ |
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|
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int avghot = 0; /* true means average in bright spots */ |
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|
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double hotlvl = 1000.0; /* level considered "hot" */ |
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double hotlvl = 100.0; /* level considered "hot" */ |
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|
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int npts = 0; /* (half) number of points for stars */ |
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|
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double spread = 1e-4; /* spread for star points */ |
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double spread = 1e-4; /* spread for star points */ |
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|
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#define TEMPLATE "/usr/tmp/pfXXXXXX" |
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|
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char *tfname = NULL; |
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|
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char template[] = TEMPLATE; |
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|
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char *lampdat = "lamp.tab"; /* lamp data file */ |
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|
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int order; /* scanline ordering of input */ |
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int xres, yres; /* resolution of input */ |
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double inpaspect = 1.0; /* pixel aspect ratio of input */ |
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int correctaspect = 0; /* aspect ratio correction? */ |
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|
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int xrad; /* x window size */ |
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int yrad; /* y window size */ |
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int wrongformat = 0; |
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|
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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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|
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int estatus = 0; /* exit status (for non-fatal errors) */ |
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|
| 70 |
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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 ybrad; /* y box size */ |
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|
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int barsize; /* size of input scan bar */ |
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COLOR **scanin; /* input scan bar */ |
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COLOR *scanout; /* output scan line */ |
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COLOR **scoutbar; /* output scan bar (if thresh > 0) */ |
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float **greybar; /* grey-averaged input values */ |
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int obarsize = 0; /* size of output scan bar */ |
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int orad = 0; /* output window radius */ |
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|
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char *progname; |
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|
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int argc; |
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char **argv; |
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{ |
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extern char *mktemp(); |
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extern double atof(), pow(); |
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extern long ftell(); |
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extern int quit(); |
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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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long fpos; |
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double d; |
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int i; |
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|
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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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if (signal(SIGINT, quit) == SIG_IGN) |
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signal(SIGINT, SIG_IGN); |
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if (signal(SIGHUP, quit) == SIG_IGN) |
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signal(SIGINT, SIG_IGN); |
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signal(SIGHUP, SIG_IGN); |
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signal(SIGTERM, quit); |
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signal(SIGPIPE, quit); |
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#ifdef SIGXCPU |
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#ifdef SIGXCPU |
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signal(SIGXCPU, quit); |
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signal(SIGXFSZ, quit); |
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#endif |
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|
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< |
progname = argv[0]; |
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> |
progname = argv[0] = fixargv0(argv[0]); |
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|
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for (i = 1; i < argc; i++) |
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if (argv[i][0] == '-') |
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} else |
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nrows = atoi(argv[i]); |
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break; |
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+ |
case 'c': |
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correctaspect = !correctaspect; |
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break; |
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case 'p': |
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i++; |
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outaspect = atof(argv[i]); |
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break; |
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case 'e': |
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if (argv[i+1][0] == '+' || argv[i+1][0] == '-') |
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d = pow(2.0, atof(argv[i+1])); |
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else |
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d = atof(argv[i+1]); |
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if (d < 1e-20 || d > 1e20) { |
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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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quit(1); |
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} |
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switch (argv[i][2]) { |
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case '\0': |
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scalecolor(exposure, d); |
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} |
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i++; |
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break; |
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+ |
case 'f': |
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lampdat = argv[++i]; |
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break; |
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+ |
case 't': |
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lamptype = argv[++i]; |
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+ |
break; |
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case '1': |
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singlepass = 1; |
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break; |
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case '2': |
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singlepass = 0; |
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break; |
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< |
case 'p': |
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> |
case 'n': |
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npts = atoi(argv[++i]) / 2; |
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break; |
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case 's': |
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case 'r': |
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rad = atof(argv[++i]); |
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break; |
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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 = 0.6; |
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break; |
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case 'b': |
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rad = 0.0; |
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> |
rad = thresh = 0.0; |
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break; |
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default:; |
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badopt: |
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} |
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else |
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break; |
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|
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> |
/* get lamp data (if necessary) */ |
| 217 |
> |
if (lamptype != NULL) { |
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> |
if (loadlamps(lampdat) < 0) |
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> |
quit(1); |
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> |
if ((lampcolor = matchlamp(lamptype)) == NULL) { |
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> |
fprintf(stderr, "%s: unknown lamp type\n", lamptype); |
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> |
quit(1); |
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> |
} |
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> |
for (j = 0; j < 3; j++) |
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> |
if (lampcolor[j] > 1e-4) |
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> |
colval(exposure,j) /= lampcolor[j]; |
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> |
freelamps(); |
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> |
} |
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> |
/* open input file */ |
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if (i == argc) { |
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if (singlepass) |
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fin = stdin; |
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else { |
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tfname = mktemp(TEMPLATE); |
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> |
tfname = mktemp(template); |
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if ((fin = fopen(tfname, "w+")) == NULL) { |
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fprintf(stderr, "%s: can't create ", progname); |
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fprintf(stderr, "temp file \"%s\"\n", tfname); |
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fprintf(stderr, "%s: bad # file arguments\n", progname); |
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quit(1); |
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} |
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/* copy header */ |
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< |
copyheader(fin, stdout); |
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> |
/* get header */ |
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> |
getheader(fin, headline, NULL); |
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> |
if (wrongformat) { |
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> |
fprintf(stderr, "%s: input must be a Radiance picture\n", |
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> |
progname); |
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> |
quit(1); |
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> |
} |
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/* add new header info. */ |
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printargs(i, argv, stdout); |
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/* get picture size */ |
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< |
if (fgetresolu(&xres, &yres, fin) != (YMAJOR|YDECR)) { |
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> |
if ((order = fgetresolu(&xres, &yres, fin)) < 0) { |
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fprintf(stderr, "%s: bad picture size\n", progname); |
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quit(1); |
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} |
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< |
if (ncols > 0) |
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< |
x_c = (double)ncols/xres; |
| 272 |
< |
else |
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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 && |
| 274 |
> |
ourview.horiz >= 360.-FTINY && order & YMAJOR; |
| 275 |
> |
/* compute output resolution */ |
| 276 |
> |
if (ncols <= 0) |
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ncols = x_c*xres + .5; |
| 278 |
< |
if (nrows > 0) |
| 202 |
< |
y_r = (double)nrows/yres; |
| 203 |
< |
else |
| 278 |
> |
if (nrows <= 0) |
| 279 |
|
nrows = y_r*yres + .5; |
| 280 |
+ |
if (outaspect > .01) { |
| 281 |
+ |
d = inpaspect * yres/xres / outaspect; |
| 282 |
+ |
if (d * ncols > nrows) |
| 283 |
+ |
ncols = nrows / d; |
| 284 |
+ |
else |
| 285 |
+ |
nrows = ncols * d; |
| 286 |
+ |
} |
| 287 |
+ |
x_c = (double)ncols/xres; |
| 288 |
+ |
y_r = (double)nrows/yres; |
| 289 |
|
|
| 290 |
< |
if (singlepass) { |
| 207 |
< |
/* skip exposure, etc. */ |
| 290 |
> |
if (singlepass) { /* skip exposure, etc. */ |
| 291 |
|
pass1default(); |
| 292 |
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pass2(fin); |
| 293 |
|
quit(0); |
| 303 |
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} |
| 304 |
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pass2(fin); |
| 305 |
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|
| 306 |
< |
quit(0); |
| 306 |
> |
quit(estatus); |
| 307 |
|
} |
| 308 |
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|
| 309 |
|
|
| 310 |
+ |
double |
| 311 |
+ |
rgb_bright(clr) |
| 312 |
+ |
COLOR clr; |
| 313 |
+ |
{ |
| 314 |
+ |
return(bright(clr)); |
| 315 |
+ |
} |
| 316 |
+ |
|
| 317 |
+ |
|
| 318 |
+ |
double |
| 319 |
+ |
xyz_bright(clr) |
| 320 |
+ |
COLOR clr; |
| 321 |
+ |
{ |
| 322 |
+ |
return(clr[CIEY]); |
| 323 |
+ |
} |
| 324 |
+ |
|
| 325 |
+ |
|
| 326 |
+ |
double (*ourbright)() = rgb_bright; |
| 327 |
+ |
|
| 328 |
+ |
|
| 329 |
+ |
int |
| 330 |
+ |
headline(s) /* process line from header */ |
| 331 |
+ |
char *s; |
| 332 |
+ |
{ |
| 333 |
+ |
char fmt[32]; |
| 334 |
+ |
|
| 335 |
+ |
fputs(s, stdout); /* copy to output */ |
| 336 |
+ |
if (isaspect(s)) /* get aspect ratio */ |
| 337 |
+ |
inpaspect *= aspectval(s); |
| 338 |
+ |
else if (isexpos(s)) /* get exposure */ |
| 339 |
+ |
hotlvl *= exposval(s); |
| 340 |
+ |
else if (formatval(fmt, s)) { /* get format */ |
| 341 |
+ |
wrongformat = 0; |
| 342 |
+ |
if (!strcmp(COLRFMT, fmt)) |
| 343 |
+ |
ourbright = rgb_bright; |
| 344 |
+ |
else if (!strcmp(CIEFMT, fmt)) |
| 345 |
+ |
ourbright = xyz_bright; |
| 346 |
+ |
else |
| 347 |
+ |
wrongformat = !globmatch(PICFMT, fmt); |
| 348 |
+ |
} else if (isview(s) && sscanview(&ourview, s) > 0) |
| 349 |
+ |
gotview++; |
| 350 |
+ |
return(0); |
| 351 |
+ |
} |
| 352 |
+ |
|
| 353 |
+ |
|
| 354 |
|
copyfile(in, out) /* copy a file */ |
| 355 |
|
register FILE *in, *out; |
| 356 |
|
{ |
| 381 |
|
} |
| 382 |
|
for (i = 0; i < yres; i++) { |
| 383 |
|
if (freadscan(scan, xres, in) < 0) { |
| 384 |
< |
nrows = nrows * i / yres; /* adjust frame */ |
| 384 |
> |
nrows = (long)nrows * i / yres; /* adjust frame */ |
| 385 |
|
if (nrows <= 0) { |
| 386 |
|
fprintf(stderr, "%s: empty frame\n", progname); |
| 387 |
|
quit(1); |
| 388 |
|
} |
| 389 |
|
fprintf(stderr, "%s: warning - partial frame (%d%%)\n", |
| 390 |
< |
progname, 100*i/yres); |
| 390 |
> |
progname, (int)(100L*i/yres)); |
| 391 |
|
yres = i; |
| 392 |
+ |
y_r = (double)nrows/yres; |
| 393 |
+ |
estatus++; |
| 394 |
|
break; |
| 395 |
|
} |
| 396 |
|
pass1scan(scan, i); |
| 397 |
|
} |
| 398 |
< |
free((char *)scan); |
| 398 |
> |
free((void *)scan); |
| 399 |
|
} |
| 400 |
|
|
| 401 |
|
|
| 405 |
|
int yread; |
| 406 |
|
int ycent, xcent; |
| 407 |
|
int r, c; |
| 408 |
< |
|
| 408 |
> |
|
| 409 |
|
pass2init(); |
| 410 |
|
scan2init(); |
| 411 |
|
yread = 0; |
| 412 |
|
for (r = 0; r < nrows; r++) { |
| 413 |
< |
ycent = (long)r*yres/nrows; |
| 413 |
> |
ycent = (r+.5)*yres/nrows; |
| 414 |
|
while (yread <= ycent+yrad) { |
| 415 |
|
if (yread < yres) { |
| 416 |
|
if (freadscan(scanin[yread%barsize], |
| 417 |
|
xres, in) < 0) { |
| 418 |
|
fprintf(stderr, |
| 419 |
< |
"%s: bad read (y=%d)\n", |
| 419 |
> |
"%s: truncated input (y=%d)\n", |
| 420 |
|
progname, yres-1-yread); |
| 421 |
|
quit(1); |
| 422 |
|
} |
| 424 |
|
} |
| 425 |
|
yread++; |
| 426 |
|
} |
| 427 |
+ |
if (obarsize > 0) |
| 428 |
+ |
scan2sync(r); |
| 429 |
|
for (c = 0; c < ncols; c++) { |
| 430 |
< |
xcent = (long)c*xres/ncols; |
| 431 |
< |
if (rad <= 0.0) |
| 432 |
< |
dobox(scanout[c], xcent, ycent, c, r); |
| 433 |
< |
else |
| 430 |
> |
xcent = (c+.5)*xres/ncols; |
| 431 |
> |
if (thresh > FTINY) |
| 432 |
> |
dothresh(xcent, ycent, c, r); |
| 433 |
> |
else if (rad > FTINY) |
| 434 |
|
dogauss(scanout[c], xcent, ycent, c, r); |
| 435 |
+ |
else |
| 436 |
+ |
dobox(scanout[c], xcent, ycent, c, r); |
| 437 |
|
} |
| 438 |
< |
if (fwritescan(scanout, ncols, stdout) < 0) { |
| 438 |
> |
if (scanout != NULL && fwritescan(scanout, ncols, stdout) < 0) { |
| 439 |
|
fprintf(stderr, "%s: write error in pass2\n", progname); |
| 440 |
|
quit(1); |
| 441 |
|
} |
| 442 |
|
} |
| 443 |
+ |
/* skip leftover input */ |
| 444 |
+ |
while (yread < yres) { |
| 445 |
+ |
if (freadscan(scanin[0], xres, in) < 0) |
| 446 |
+ |
break; |
| 447 |
+ |
yread++; |
| 448 |
+ |
} |
| 449 |
+ |
scan2flush(); /* flush output */ |
| 450 |
|
} |
| 451 |
|
|
| 452 |
|
|
| 453 |
|
scan2init() /* prepare scanline arrays */ |
| 454 |
|
{ |
| 455 |
< |
double e; |
| 455 |
> |
COLOR ctmp; |
| 456 |
> |
double d; |
| 457 |
|
register int i; |
| 458 |
|
|
| 459 |
< |
if (rad <= 0.0) { |
| 460 |
< |
xrad = xres/ncols/2 + 1; |
| 461 |
< |
yrad = yres/nrows/2 + 1; |
| 321 |
< |
} else { |
| 459 |
> |
xbrad = xres/ncols/2 + 1; |
| 460 |
> |
ybrad = yres/nrows/2 + 1; |
| 461 |
> |
if (rad > FTINY) { |
| 462 |
|
if (nrows >= yres && ncols >= xres) |
| 463 |
|
rad *= (y_r + x_c)/2.0; |
| 464 |
|
|
| 465 |
< |
xrad = CHECKRAD*rad/x_c + 1; |
| 466 |
< |
yrad = CHECKRAD*rad/y_r + 1; |
| 467 |
< |
|
| 465 |
> |
if (thresh > FTINY) { |
| 466 |
> |
orad = CHECKRAD*THRESHRAD*rad + 1; |
| 467 |
> |
xrad = orad/x_c + xbrad; |
| 468 |
> |
yrad = orad/y_r + ybrad; |
| 469 |
> |
obarsize = 2*orad + 1; |
| 470 |
> |
} else { |
| 471 |
> |
xrad = CHECKRAD*rad/x_c + 1; |
| 472 |
> |
yrad = CHECKRAD*rad/y_r + 1; |
| 473 |
> |
} |
| 474 |
|
initmask(); /* initialize filter table */ |
| 475 |
+ |
} else { |
| 476 |
+ |
xrad = xbrad; |
| 477 |
+ |
yrad = ybrad; |
| 478 |
|
} |
| 479 |
< |
barsize = 2 * yrad; |
| 479 |
> |
barsize = 2*yrad + 1; |
| 480 |
|
scanin = (COLOR **)malloc(barsize*sizeof(COLOR *)); |
| 481 |
+ |
if (scanin == NULL) |
| 482 |
+ |
goto memerr; |
| 483 |
|
for (i = 0; i < barsize; i++) { |
| 484 |
|
scanin[i] = (COLOR *)malloc(xres*sizeof(COLOR)); |
| 485 |
< |
if (scanin[i] == NULL) { |
| 486 |
< |
fprintf(stderr, "%s: out of memory\n", progname); |
| 487 |
< |
quit(1); |
| 485 |
> |
if (scanin[i] == NULL) |
| 486 |
> |
goto memerr; |
| 487 |
> |
} |
| 488 |
> |
if (obarsize > 0) { |
| 489 |
> |
scoutbar = (COLOR **)malloc(obarsize*sizeof(COLOR *)); |
| 490 |
> |
greybar = (float **)malloc(obarsize*sizeof(float *)); |
| 491 |
> |
if (scoutbar == NULL | greybar == NULL) |
| 492 |
> |
goto memerr; |
| 493 |
> |
for (i = 0; i < obarsize; i++) { |
| 494 |
> |
scoutbar[i] = (COLOR *)malloc(ncols*sizeof(COLOR)); |
| 495 |
> |
greybar[i] = (float *)malloc(ncols*sizeof(float)); |
| 496 |
> |
if (scoutbar[i] == NULL | greybar[i] == NULL) |
| 497 |
> |
goto memerr; |
| 498 |
|
} |
| 499 |
+ |
} else { |
| 500 |
+ |
scanout = (COLOR *)malloc(ncols*sizeof(COLOR)); |
| 501 |
+ |
if (scanout == NULL) |
| 502 |
+ |
goto memerr; |
| 503 |
|
} |
| 504 |
< |
scanout = (COLOR *)malloc(ncols*sizeof(COLOR)); |
| 505 |
< |
if (scanout == NULL) { |
| 506 |
< |
fprintf(stderr, "%s: out of memory\n", progname); |
| 507 |
< |
quit(1); |
| 504 |
> |
/* record pixel aspect ratio */ |
| 505 |
> |
if (!correctaspect) { |
| 506 |
> |
d = order & YMAJOR ? x_c/y_r : y_r/x_c ; |
| 507 |
> |
if (!FEQ(d,1.0)) |
| 508 |
> |
fputaspect(d, stdout); |
| 509 |
|
} |
| 510 |
< |
e = bright(exposure); |
| 511 |
< |
if (e < 1-1e-7 || e > 1+1e-7) /* record exposure */ |
| 512 |
< |
fputexpos(e, stdout); |
| 510 |
> |
/* record exposure */ |
| 511 |
> |
d = (*ourbright)(exposure); |
| 512 |
> |
if (!FEQ(d,1.0)) |
| 513 |
> |
fputexpos(d, stdout); |
| 514 |
> |
/* record color correction */ |
| 515 |
> |
copycolor(ctmp, exposure); |
| 516 |
> |
scalecolor(ctmp, 1.0/d); |
| 517 |
> |
if (!FEQ(colval(ctmp,RED),colval(ctmp,GRN)) || |
| 518 |
> |
!FEQ(colval(ctmp,GRN),colval(ctmp,BLU))) |
| 519 |
> |
fputcolcor(ctmp, stdout); |
| 520 |
|
printf("\n"); |
| 521 |
< |
fputresolu(YMAJOR|YDECR, ncols, nrows, stdout); /* resolution */ |
| 521 |
> |
/* write out resolution */ |
| 522 |
> |
fputresolu(order, ncols, nrows, stdout); |
| 523 |
> |
return; |
| 524 |
> |
memerr: |
| 525 |
> |
fprintf(stderr, "%s: out of memory\n", progname); |
| 526 |
> |
quit(1); |
| 527 |
|
} |
| 528 |
|
|
| 529 |
|
|
| 530 |
+ |
scan2sync(r) /* synchronize grey averages and output scan */ |
| 531 |
+ |
int r; |
| 532 |
+ |
{ |
| 533 |
+ |
static int nextrow = 0; |
| 534 |
+ |
COLOR ctmp; |
| 535 |
+ |
int ybot; |
| 536 |
+ |
register int c; |
| 537 |
+ |
/* average input scanlines */ |
| 538 |
+ |
while (nextrow <= r+orad && nextrow < nrows) { |
| 539 |
+ |
ybot = (nextrow+.5)*yres/nrows; |
| 540 |
+ |
for (c = 0; c < ncols; c++) { |
| 541 |
+ |
dobox(ctmp, (int)((c+.5)*xres/ncols),ybot, c,nextrow); |
| 542 |
+ |
greybar[nextrow%obarsize][c] = (*ourbright)(ctmp); |
| 543 |
+ |
} |
| 544 |
+ |
/* and zero output scanline */ |
| 545 |
+ |
bzero((char *)scoutbar[nextrow%obarsize], ncols*sizeof(COLOR)); |
| 546 |
+ |
nextrow++; |
| 547 |
+ |
} |
| 548 |
+ |
/* point to top scanline for output */ |
| 549 |
+ |
if (r-orad >= 0) |
| 550 |
+ |
scanout = scoutbar[(r-orad)%obarsize]; |
| 551 |
+ |
else |
| 552 |
+ |
scanout = NULL; |
| 553 |
+ |
} |
| 554 |
+ |
|
| 555 |
+ |
|
| 556 |
+ |
scan2flush() /* flush output buffer */ |
| 557 |
+ |
{ |
| 558 |
+ |
register int r; |
| 559 |
+ |
|
| 560 |
+ |
for (r = nrows-orad; r < nrows; r++) |
| 561 |
+ |
if (fwritescan(scoutbar[r%obarsize], ncols, stdout) < 0) |
| 562 |
+ |
break; |
| 563 |
+ |
if (fflush(stdout) < 0) { |
| 564 |
+ |
fprintf(stderr, "%s: write error at end of pass2\n", progname); |
| 565 |
+ |
quit(1); |
| 566 |
+ |
} |
| 567 |
+ |
} |
| 568 |
+ |
|
| 569 |
+ |
|
| 570 |
+ |
void |
| 571 |
|
quit(code) /* remove temporary file and exit */ |
| 572 |
|
int code; |
| 573 |
|
{ |