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/****************************************************************************
* NCSA HDF *
* Software Development Group *
* National Center for Supercomputing Applications *
* University of Illinois at Urbana-Champaign *
* 605 E. Springfield, Champaign IL 61820 *
* *
* For conditions of distribution and use, see the accompanying *
* hdf/COPYING file. *
* *
****************************************************************************/
#ifdef RCSID
static char RcsId[] = "@(#) $Revision: 1.11 $"
#endif
/* $Id: paltohdf.c,v 1.11 1996/04/09 20:09:44 georgev Exp $ */
/*
* paltohdf.c
* Version: 1.0 date: August 1, 1989
* This utility converts a raw palette to hdf format
* The incoming palette is assumed to have 768 bytes:
* 256 red values, 256 greens, and 256 blues.
* The palette in the HDF file will have the RGB values
* interlaced: RGB RGB ... (This is standard HDF format.)
*
* by Mike Folk
* first version of paltohdf: 8/01/89
*
* This program is in the public domain
*/
#if defined __MWERKS__
#include <console.h>
#endif
#include "hdf.h"
int main(int argc, char *argv[]);
int palconv(char *palfile, char *outfile);
int
main(int argc, char *argv[])
{
#if defined __MWERKS__
argc = ccommand(&argv);
#endif
if (argc != 3)
{
printf("Usage:\n");
printf(" %s rawpalfile hdffile \n\n", argv[0]);
printf("%s, version: 1.1 date: July 1, 1992\n\n", argv[0]);
printf("\tThis utility converts a raw palette to hdf format \n\n");
printf("\tThe incoming palette is assumed to have 768 bytes:\n");
printf("\t256 red values, 256 greens, and 256 blues.\n\n");
printf("\tThe palette in the HDF file will have the RGB values\n");
printf("\tinterlaced: RGB RGB ... (standard HDF format).\n\n");
exit(1);
}
palconv(argv[1], argv[2]);
return (0);
}
/*
* palconv(palfile, outfile) sets the palette
*/
int
palconv(char *palfile, char *outfile)
{
unsigned char palspace[1024], reds[256], greens[256], blues[256], *p;
FILE *fp;
int j, ret;
fp = fopen(palfile, "r");
if (fp == NULL)
{
printf(" Error opening palette file %s\n", palfile);
exit(1);
}
fread(reds, 1, 256, fp);
fread(greens, 1, 256, fp);
fread(blues, 1, 256, fp);
fclose(fp);
p = palspace;
for (j = 0; j < 256; j++)
{
*p++ = reds[j];
*p++ = greens[j];
*p++ = blues[j];
}
ret = DFPaddpal(outfile, (VOIDP) palspace);
if (ret < 0)
{
printf(" Error: %d, in writing palette %s\n", ret, palfile);
exit(1);
}
return (0);
}
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