Pie_Scanner Struct Reference

This structure holds information about an instance of an 'opened' scanner. More...

Data Fields
struct Pie_Scanner *	next
Pie_Device *	device
int	sfd
int	bufsize
SANE_Option_Descriptor	opt [NUM_OPTIONS]
Option_Value	val [NUM_OPTIONS]
SANE_Int *	gamma_table [4]
SANE_Range	gamma_range
int	gamma_length
uint16_t *	gamma_lut8
uint16_t *	gamma_lut16
double *	ln_lut
int	scanning
SANE_Parameters	params
SANE_Pid	parking_pid
SANE_Pid	reader_pid
int	pipe
int	reader_fds
int	colormode
int	processing
int	resolution
int	cal_mode
int	cal_filter
PIE_USB_Calibration *	cal_data
int	filter_offset1
int	filter_offset2
int	bytes_per_line
SANEI_IR_bufptr	img_buffer
int	total_bytes_stored
int	total_bytes_read

---

Detailed Description

This structure holds information about an instance of an 'opened' scanner.

Definition at line 394 of file pie.c.

---

Field Documentation

int bufsize

max scsi buffer size

Definition at line 400 of file pie.c.

int bytes_per_line

number of bytes per line

Definition at line 431 of file pie.c.

PIE_USB_Calibration* cal_data

USB only, is updated during calibration

Definition at line 426 of file pie.c.

int cal_filter

set to indicate which filters will provide data for cal

Definition at line 425 of file pie.c.

int cal_mode

set to value to compare cal_info mode to

Definition at line 423 of file pie.c.

int colormode

whether RGBI, RGB, GRAY, LINEART, HALFTONE

Definition at line 420 of file pie.c.

Pie_Device* device

pointer to physical scanner

Definition at line 397 of file pie.c.

int filter_offset1

offsets between colors in indexed scan mode

Definition at line 428 of file pie.c.

int filter_offset2

Definition at line 429 of file pie.c.

int gamma_length

size of gamma table

Definition at line 406 of file pie.c.

uint16_t* gamma_lut16

Definition at line 409 of file pie.c.

uint16_t* gamma_lut8

USB scanners gamma lookup tables

Definition at line 408 of file pie.c.

SANE_Range gamma_range

Definition at line 405 of file pie.c.

SANE_Int* gamma_table[4]

gamma tables for this instance

Definition at line 404 of file pie.c.

SANEI_IR_bufptr img_buffer

USB: store a whole image in RGB(I) format

Definition at line 433 of file pie.c.

double* ln_lut

USB scanners logarithm lookup

Definition at line 410 of file pie.c.

struct Pie_Scanner* next

Definition at line 396 of file pie.c.

SANE_Option_Descriptor opt[NUM_OPTIONS]

option descriptions for this instance

Definition at line 402 of file pie.c.

SANE_Parameters params

Definition at line 413 of file pie.c.

SANE_Pid parking_pid

USB scanners may use a thread to watch parking

Definition at line 415 of file pie.c.

int pipe

Definition at line 417 of file pie.c.

int processing

USB scanners may process scan data

Definition at line 421 of file pie.c.

int reader_fds

Definition at line 418 of file pie.c.

SANE_Pid reader_pid

Definition at line 416 of file pie.c.

int resolution

Definition at line 422 of file pie.c.

int scanning

true if actually doing a scan

Definition at line 412 of file pie.c.

int sfd

scanner file desc.

Definition at line 399 of file pie.c.

int total_bytes_read

what has been read from the stored image

Definition at line 435 of file pie.c.

int total_bytes_stored

Definition at line 434 of file pie.c.

Option_Value val[NUM_OPTIONS]

option settings for this instance

Definition at line 403 of file pie.c.

---

The documentation for this struct was generated from the following file:

• only-pie/backend/pie.c