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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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* Skeletal 24-bit image conversion program. Replace "skel" |
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* in this file with a more appropriate image type identifier. |
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* |
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* The Makefile entry should look something like this: |
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* The Rmakefile entry should look something like this: |
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* ra_skel: ra_skel.o |
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* cc $(CFLAGS) -o ra_skel ra_skel.o -lrt -lm |
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* cc $(CFLAGS) -o ra_skel ra_skel.o -lrtrad -lm |
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* ra_skel.o: ../common/color.h ../common/resolu.h |
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* |
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* If you like to do things the hard way, you can link directly |
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* to the object files "color.o colrops.o resolu.o header.o" in |
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* the common subdirectory instead of using the -lrt library. |
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* the common subdirectory instead of using the -lrtrad library. |
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*/ |
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#include <stdio.h> |
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#include <math.h> |
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#include <time.h> |
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#include "platform.h" |
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#include "color.h" |
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#include "resolu.h" |
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double gamcor = 2.2; /* gamma correction */ |
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double gamma = 2.2; /* gamma correction */ |
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int bradj = 0; /* brightness adjustment */ |
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char *progname; |
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int xmax, ymax; |
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int reverse = 0; |
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int i; |
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progname = argv[0]; |
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fixargv0(argv[0]); |
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for (i = 1; i < argc; i++) |
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if (argv[i][0] == '-') |
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switch (argv[i][1]) { |
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case 'g': /* gamma correction */ |
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gamma = atof(argv[++i]); |
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gamcor = atof(argv[++i]); |
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break; |
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case 'e': /* exposure adjustment */ |
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if (argv[i+1][0] != '+' && argv[i+1][0] != '-') |
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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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setcolrgam(gamma); /* set up gamma correction */ |
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SET_FILE_BINARY(stdin); |
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SET_FILE_BINARY(stdout); |
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setcolrgam(gamcor); /* set up gamma correction */ |
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if (reverse) { |
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/* get their image resolution */ |
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read_skel_head(&xmax, &ymax); |
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/* put our header */ |
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newheader("RADIANCE", stdout); |
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printargs(i, argv, stdout); |
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fputformat(COLRFMT, stdout); |
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putchar('\n'); |
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quiterr("out of memory in skel2ra"); |
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/* convert image */ |
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for (y = ymax-1; y >= 0; y--) { |
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scanout[x][RED] = getc(stdin); |
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scanout[x][GRN] = getc(stdin); |
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scanout[x][BLU] = getc(stdin); |
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if (feof(stdin) || ferror(stdin)) |
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for (x = 0; x < xmax; x++) { |
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scanout[x][RED] = getc(stdin); |
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scanout[x][GRN] = getc(stdin); |
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scanout[x][BLU] = getc(stdin); |
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} |
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if (feof(stdin) | ferror(stdin)) |
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quiterr("error reading skel image"); |
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/* undo gamma */ |
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gambs_colrs(scanout, xmax); |
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quiterr("error writing Radiance picture"); |
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} |
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/* free scanline */ |
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free((char *)scanout); |
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free((void *)scanout); |
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} |
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quiterr("error writing skel file"); |
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} |
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/* free scanline */ |
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free((char *)scanin); |
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free((void *)scanin); |
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} |
