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/*
* kodakaio.c - SANE library for Kodak ESP Aio scanners.
*
* Copyright (C) 2011-2013 Paul Newall
*
* Based on the Magicolor sane backend:
* Based on the epson2 sane backend:
* Based on Kazuhiro Sasayama previous
* work on epson.[ch] file from the SANE package.
* Please see those files for additional copyrights.
* Author: Paul Newall
*
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation, version 2.
29/12/12 added KodakAio_Scanner.ack
2/1/13 added KodakAio_Scanner.background[]
*/
#ifndef kodakaio_h
#define kodakaio_h
#undef BACKEND_NAME
#define BACKEND_NAME kodakaio
#define DEBUG_NOT_STATIC
#include <sys/ioctl.h>
#ifdef HAVE_STDDEF_H
#include <stddef.h>
#endif
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
#ifdef NEED_SYS_TYPES_H
#include <sys/types.h>
#endif
#include <stdio.h>
#include "../include/sane/sane.h"
#include "../include/sane/sanei_debug.h"
#include "../include/sane/sanei_backend.h"
/* Silence the compiler for unused arguments */
#define NOT_USED(x) ( (void)(x) )
#define KODAKAIO_CONFIG_FILE "kodakaio.conf"
#define NUM_OF_HEX_ELEMENTS (16) /* number of hex numbers per line for data dump */
#define DEVICE_NAME_LEN (16) /* length of device name in extended status */
#define CAP_DEFAULT 0
/* Structure holding the device capabilities */
struct KodakaioCap
{
SANE_Word id; /* USB pid */
const char *cmds; /* may be used for different command sets in future */
const char *model;
SANE_Int out_ep, in_ep; /* USB bulk out/in endpoints */
SANE_Int optical_res; /* optical resolution */
SANE_Range dpi_range; /* max/min resolutions */
SANE_Int *res_list; /* list of resolutions */
SANE_Int res_list_size; /* number of entries in this list */
SANE_Int maxDepth; /* max. color depth */
SANE_Word *depth_list; /* list of color depths */
/* SANE_Range brightness; brightness range */
SANE_Range fbf_x_range; /* flattbed x range */
SANE_Range fbf_y_range; /* flattbed y range */
SANE_Bool ADF; /* ADF is installed */
SANE_Bool adf_duplex; /* does the ADF handle duplex scanning */
SANE_Range adf_x_range; /* autom. document feeder x range */
SANE_Range adf_y_range; /* autom. document feeder y range */
};
/*
Options:OPT_BRIGHTNESS, used to be after BIT_DEPTH
*/
enum {
OPT_NUM_OPTS = 0,
OPT_MODE_GROUP,
OPT_MODE,
OPT_THRESHOLD,
OPT_BIT_DEPTH,
OPT_RESOLUTION,
OPT_TRIALOPT, /* for debuggging */
OPT_PREVIEW,
OPT_SOURCE,
OPT_ADF_MODE,
OPT_PADDING, /* Selects padding of adf pages to the specified length */
OPT_GEOMETRY_GROUP,
OPT_TL_X,
OPT_TL_Y,
OPT_BR_X,
OPT_BR_Y,
NUM_OPTIONS
};
typedef enum
{ /* hardware connection to the scanner */
SANE_KODAKAIO_NODEV, /* default, no HW specified yet */
SANE_KODAKAIO_USB, /* USB interface */
SANE_KODAKAIO_NET /* network interface */
} Kodakaio_Connection_Type;
/* Structure holding the hardware description */
struct Kodak_Device
{
struct Kodak_Device *next;
int missing;
char *name;
char *model;
SANE_Device sane;
SANE_Range *x_range; /* x range w/out extension */
SANE_Range *y_range; /* y range w/out extension */
Kodakaio_Connection_Type connection;
struct KodakaioCap *cap;
};
typedef struct Kodak_Device Kodak_Device;
/* Structure holding an instance of a scanner (i.e. scanner has been opened) */
struct KodakAio_Scanner
{
struct KodakAio_Scanner *next;
struct Kodak_Device *hw;
int fd;
SANE_Option_Descriptor opt[NUM_OPTIONS];
Option_Value val[NUM_OPTIONS];
SANE_Parameters params;
SANE_Bool ack; /* scanner has finished a page (happens early with adf and padding) */
SANE_Bool eof; /* backend has finished a page (after padding with adf) */
SANE_Byte *buf, *end, *ptr;
SANE_Bool canceling;
SANE_Bool scanning; /* scan in progress */
SANE_Bool adf_loaded; /* paper in adf */
SANE_Int background[3]; /* stores background RGB components for padding */
SANE_Int left, top; /* in optres units? */
SANE_Int width, height; /* in optres units? */
/* SANE_Int threshold; 0..255 for lineart*/
/* image block data */
SANE_Int data_len;
SANE_Int block_len;
SANE_Int last_len; /* to be phased out */
SANE_Int blocks; /* to be phased out */
SANE_Int counter;
SANE_Int bytes_unread; /* to track when to stop */
/* Used to store how many bytes of the current pixel line we have already
* read in previous read attempts. Since each line will be padded
* to multiples of 512 bytes, this is needed to know which bytes
* to ignore. NOT NEEDED FOR KODAKAIO */
SANE_Int bytes_read_in_line;
SANE_Byte *line_buffer;
/* How many bytes are scanned per line */
SANE_Int scan_bytes_per_line;
};
typedef struct KodakAio_Scanner KodakAio_Scanner;
struct mode_param
{
int flags;
int colors;
int depth;
};
enum {
MODE_COLOR, MODE_GRAY, MODE_LINEART
};
#endif
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