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SGI Developer Toolbox 6.1
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SGI Developer Toolbox 6.1 - Disc 4.iso
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src
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haeberli
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libgutil
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imgread.c
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C/C++ Source or Header
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1994-08-01
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77 lines
/*
* Copyright 1991, 1992, 1993, 1994, Silicon Graphics, Inc.
* All Rights Reserved.
*
* This is UNPUBLISHED PROPRIETARY SOURCE CODE of Silicon Graphics, Inc.;
* the contents of this file may not be disclosed to third parties, copied or
* duplicated in any form, in whole or in part, without the prior written
* permission of Silicon Graphics, Inc.
*
* RESTRICTED RIGHTS LEGEND:
* Use, duplication or disclosure by the Government is subject to restrictions
* as set forth in subdivision (c)(1)(ii) of the Rights in Technical Data
* and Computer Software clause at DFARS 252.227-7013, and/or in similar or
* successor clauses in the FAR, DOD or NASA FAR Supplement. Unpublished -
* rights reserved under the Copyright Laws of the United States.
*/
/*
* imgread -
* Read an image into arrays of chars or shorts.
* see fastimg.c for code to read images into arrays of longs.
*
* Paul Haeberli - 1988
*/
#include "stdio.h"
#include "image.h"
short *shortimagedata(name)
char *name;
{
short *base, *sptr;
IMAGE *image;
int y;
if( (image=iopen(name,"r")) == NULL ) {
fprintf(stderr,"shortimagedata: can't open input file %s\n",name);
exit(1);
}
base = (short *)mymalloc(sizeof(short)*image->xsize*image->ysize);
sptr = base;
for(y=0; y<image->ysize; y++) {
getbwrow(image,sptr,y);
sptr += image->xsize;
}
iclose(image);
return base;
}
char *charimagedata(name)
char *name;
{
char *base, *cptr;
short *rbuf, *gbuf, *bbuf;
IMAGE *image;
int y;
image = iopen(name,"r");
if(!image) {
fprintf(stderr,"charimagedata: can't open image file %s\n",name);
exit(1);
}
base = (char *)mymalloc(image->xsize*image->ysize*sizeof(char));
rbuf = (short *)mymalloc(image->xsize*sizeof(short));
if(!base || !rbuf) {
fprintf(stderr,"charimagedata: can't malloc enough memory\n");
exit(1);
}
cptr = base;
for(y=0; y<image->ysize; y++) {
getrow(image,rbuf,y,0);
stoc(rbuf,cptr,image->xsize);
cptr += image->xsize;
}
iclose(image);
free(rbuf);
return base;
}