// ===========================================================================

//  TWDefs.c            TWAIN 1.9               ©1991-2001 TWAIN Working Group

// ===========================================================================

//

//  General definitions.

#ifndef _TWDEFS_

#define _TWDEFS_

#pragma once

/* States */

#define STATE_PRETW             10

#define STATE_DSMLOADED         20

#define STATE_DSMOPEN           30

#define STATE_DSSELECTED        34

#define STATE_DSLOADED          35

#define STATE_DSOPEN            40

#define STATE_DSENABLED         50

#define STATE_DSDISABLED        55

#define STATE_XFERREADY         60

#define STATE_XFER              70

#define STATE_DSCLOSED          80

#define STATE_DSMCLOSEDUNLOADED 90

/* Miscellaneous Constants */

#ifndef OKAY

#define OKAY            0

#endif

#ifndef TWERR

#define TWERR           -1

#endif

#ifndef TRUE

#define TRUE            1

#endif

#ifndef FALSE

#define FALSE           0

#endif

#ifndef ON

#define ON              1

#endif

#ifndef OFF

#define OFF             0

#endif

#ifndef NULL

#define NULL            0L

#endif

#define DSMR_type   'DSMR'

#define DSRC_type   'DSRC'      // File type for old 68k data sources

#define DSrc_type   'DSrc'      // File type for new PowerPC data sources

#endif