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#ifndef st400_h
#define st400_h
#define ST400_CONFIG_FILE "st400.conf"
#define ST400_DEFAULT_DEVICE "/dev/scanner"
/* maximum scanning area in inch (guessed) */
#define ST400_MAX_X 8.5
#define ST400_MAX_Y 12.0
enum ST400_Option {
OPT_NUM_OPTS = 0,
OPT_MODE_GROUP,
OPT_RESOLUTION,
OPT_DEPTH,
OPT_THRESHOLD,
OPT_GEOMETRY_GROUP,
OPT_TL_X,
OPT_TL_Y,
OPT_BR_X,
OPT_BR_Y,
NUM_OPTIONS /* must be last */
};
typedef struct {
size_t inq_voffset; /* offset in INQUIRY result */
char *inq_vendor;
size_t inq_moffset; /* offset in INQUIRY result */
char *inq_model;
size_t bits; /* 6 or 8 */
unsigned long bufsize; /* internal buffer of scanner */
unsigned long maxread; /* max bytes to read in a cmd (0 = no limit) */
SANE_Int *dpi_list; /* NULL for default list */
char *sane_vendor;
char *sane_model;
char *sane_type;
} ST400_Model;
typedef struct ST400_Device {
struct ST400_Device *next;
SANE_Device sane;
SANE_Parameters params;
SANE_Option_Descriptor opt[NUM_OPTIONS];
SANE_Word val[NUM_OPTIONS];
struct {
unsigned open :1;
unsigned scanning :1;
unsigned eof :1;
} status;
/* pixel values of entire scan window - for convenience */
unsigned short x, y, w, h;
int fd; /* SCSI filedescriptor */
/* backend buffer */
SANE_Byte *buffer;
size_t bufsize;
SANE_Byte *bufp; /* next byte to transfer */
size_t bytes_in_buffer;
ST400_Model *model;
/* scanner buffer */
unsigned short wy, wh; /* current subwindow */
unsigned long bytes_in_scanner;
unsigned short lines_to_read;
} ST400_Device;
#endif /* st400_h */
/* The End */
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