Category : C Source Code
Archive   : IMDSRC78.ZIP
Filename : IMAGEIO.H

/**** IMAGEIO.H

Header file for IMAGEIO.H
Built by A. Warnock, ST Systems Corp., NASA/GSFC 5/90

****/

/* * * * External Function Prototypes * * * */

extern int ReadLabel (int ,char *,int ,char *);
extern int WriteLabel (int, char *, unsigned int, char *);
extern int OpenImage (char *, int, char *, int *, int *, int *, char *);
extern int CloseImage (int, char *);
extern int ReadLine (int, unsigned char *, int, int, int, char *);
extern int WriteLine (int, unsigned char *, int, int, int, char *);
extern int CheckStatus (char *);
extern int ConvertLine (unsigned char *, unsigned char *, int, int, int, char *);
extern int ReadXMSLine (unsigned char *, int, int, int);
extern int OpenGifFile(char *, int *, int *, int *, char *);

/* * * * External Global Variables * * * */


extern struct ImageBlockType /* The image control block structure */
{
long block; /* block # of start of buffer at */
int blksiz; /* block size in bytes */
int maxbuf; /* max size of buffer in blocks */
int bufsiz; /* # of blocks of buffer in use */
unsigned int lblsiz; /* label size in bytes */
int pixsiz; /* size of pixels in bits */
int reclen; /* record length in bytes */
int nl, ns; /* number of lines and samples */
int linhed; /* line header length in bytes */
char access; /* R for read, W for write */
int gif; /* gif flag */
} IMCB[MaxNumImages];


extern unsigned char *ImageBuffer[MaxNumImages]; /* pointers to image buffers*/
extern int ImageLocation; /* where the image resides */
extern int ImageHandle; /* handle to extended mem */
extern int ImageMemory; /* Is image in memory? */
extern int ImageGifLine;
extern char LabelBuf[LabelBufferLen];
extern char LabelFileName[64];