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/* Copyright (c) 1991 Regents of the University of California */ |
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/* Copyright (c) 1992 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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*/ |
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#include <stdio.h> |
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#include <math.h> |
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#include "color.h" |
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#include "resolu.h" |
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#ifdef MSDOS |
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#include <fcntl.h> |
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#endif |
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extern char *malloc(); |
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int bradj = 0; /* brightness adjustment */ |
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int doflat = 1; /* produce flat file */ |
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char *argv[]; |
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{ |
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int i; |
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progname = argv[0]; |
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for (i = 1; i < argc; i++) |
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exit(1); |
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} |
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if (i == argc-2 && freopen(argv[i+1], "w", stdout) == NULL) { |
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fprintf(stderr, "can't open output \"%s\"\n", |
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fprintf(stderr, "%s: can't open output \"%s\"\n", |
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progname, argv[i+1]); |
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exit(1); |
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} |
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#ifdef MSDOS |
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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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transfer(); |
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exit(0); |
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userr: |
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transfer() /* transfer Radiance picture */ |
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{ |
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extern double pow(); |
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static char ourfmt[LPICFMT+1] = PICFMT; |
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int order; |
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int xmax, ymax; |
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int xmax, ymax; |
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COLR *scanin; |
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register int x; |
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int y; |
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/* get header info. */ |
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if (checkheader(stdin, COLRFMT, stdout) < 0 || |
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if ((y = checkheader(stdin, ourfmt, stdout)) < 0 || |
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(order = fgetresolu(&xmax, &ymax, stdin)) < 0) |
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quiterr("bad picture format"); |
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if (!y) |
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strcpy(ourfmt, COLRFMT); |
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fputs(progname, stdout); |
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if (bradj) |
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fprintf(stdout, " -e %+d", bradj); |
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if (!doflat) |
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fputs(" -r", stdout); |
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fputc('\n', stdout); |
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if (bradj) |
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fputexpos(pow(2.0, (double)bradj), stdout); |
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if (!doflat) { |
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fputformat(COLRFMT, stdout); |
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printf("%s -r\n\n", progname); |
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} else |
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printf("%s\n\n", progname); |
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fputformat(ourfmt, stdout); |
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fputc('\n', stdout); |
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fputresolu(order, xmax, ymax, stdout); |
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/* allocate scanline */ |
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scanin = (COLR *)malloc(xmax*sizeof(COLR)); |
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if (scanin == NULL) |
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quiterr("out of memory in transfer"); |
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/* convert image */ |
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for (y = ymax-1; y >= 0; y--) { |
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for (y = ymax; y--; ) { |
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if (freadcolrs(scanin, xmax, stdin) < 0) |
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quiterr("error reading input picture"); |
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if (bradj) |
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else |
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fwritecolrs(scanin, xmax, stdout); |
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if (ferror(stdout)) |
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quiterr("error writing rasterfile"); |
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quiterr("error writing output picture"); |
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} |
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/* free scanline */ |
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free((char *)scanin); |