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Aminet 3
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Aminet 3 - July 1994.iso
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sgi.h
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1994-01-27
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987b
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30 lines
/* sgi.h - header file for sgitopnm.c and pnmtosgi.c */
typedef struct {
short magic;
char storage;
char bpc; /* pixel size: 1 = bytes, 2 = shorts */
unsigned short dimension; /* 1 = single row, 2 = B/W, 3 = RGB */
unsigned short xsize, /* width in pixels */
ysize, /* height in pixels */
zsize; /* # of channels; B/W=1, RGB=3, RGBA=4 */
long pixmin, pixmax; /* min/max pixel values */
char dummy1[4];
char name[80];
long colormap;
char dummy2[404];
} Header;
#define HeaderSize 512
#define SGI_MAGIC (short)474
#define STORAGE_VERBATIM 0
#define STORAGE_RLE 1
#define CMAP_NORMAL 0
#define CMAP_DITHERED 1 /* not supported */
#define CMAP_SCREEN 2 /* not supported */
#define CMAP_COLORMAP 3 /* not supported */