kopia lustrzana https://gitlab.com/sane-project/backends
266 wiersze
9.1 KiB
C
266 wiersze
9.1 KiB
C
/*.............................................................................
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* Project : SANE library for Plustek flatbed scanners.
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*.............................................................................
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*/
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/** @file plustek.h
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* @brief Definitions for the backend.
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*
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* Based on Kazuhiro Sasayama previous
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* Work on plustek.[ch] file from the SANE package.<br>
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*
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* original code taken from sane-0.71<br>
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* Copyright (C) 1997 Hypercore Software Design, Ltd.<br>
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* Copyright (C) 2001-2002 Gerhard Jaeger <gerhard@gjaeger.de>
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*
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* History:
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* - 0.30 - initial version
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* - 0.31 - no changes
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* - 0.32 - no changes
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* - 0.33 - no changes
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* - 0.34 - moved some definitions and typedefs from plustek.c
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* - 0.35 - removed OPT_MODEL from options list
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* - added max_y to struct Plustek_Scan
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* - 0.36 - added reader_pid, pipe and bytes_read to struct Plustek_Scanner
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* - removed unused variables from struct Plustek_Scanner
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* - moved fd from struct Plustek_Scanner to Plustek_Device
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* - added next members to struct Plustek_Scanner and Plustek_Device
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* - 0.37 - added max_x to struct Plustek_Device
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* - 0.38 - added caps to struct Plustek_Device
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* - added exit code to struct Plustek_Scanner
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* - removed dropout stuff
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* - 0.39 - PORTTYPE enum
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* - added function pointers to control a scanner device
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* (Parport and USB)
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* - 0.40 - added USB stuff
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* - 0.41 - added configuration stuff
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* - 0.42 - added custom gamma tables
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* - changed usbId to static array
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* - added _MAX_ID_LEN
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* - 0.43 - no changes
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* - 0.44 - added flag initialized
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* - 0.45 - added readLine function
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* .
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* <hr>
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* This file is part of the SANE package.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston,
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* MA 02111-1307, USA.
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*
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* As a special exception, the authors of SANE give permission for
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* additional uses of the libraries contained in this release of SANE.
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*
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* The exception is that, if you link a SANE library with other files
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* to produce an executable, this does not by itself cause the
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* resulting executable to be covered by the GNU General Public
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* License. Your use of that executable is in no way restricted on
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* account of linking the SANE library code into it.
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*
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* This exception does not, however, invalidate any other reasons why
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* the executable file might be covered by the GNU General Public
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* License.
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*
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* If you submit changes to SANE to the maintainers to be included in
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* a subsequent release, you agree by submitting the changes that
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* those changes may be distributed with this exception intact.
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*
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* If you write modifications of your own for SANE, it is your choice
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* whether to permit this exception to apply to your modifications.
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* If you do not wish that, delete this exception notice.
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* <hr>
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*/
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#ifndef __PLUSTEK_H__
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#define __PLUSTEK_H__
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/************************ some definitions ***********************************/
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#define MM_PER_INCH 25.4
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#define PLUSTEK_CONFIG_FILE "plustek.conf"
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#ifndef PATH_MAX
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# define PATH_MAX 1024
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#endif
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/*
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* the default image size
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*/
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#define _DEFAULT_TLX 0 /* 0..216 mm */
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#define _DEFAULT_TLY 0 /* 0..297 mm */
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#define _DEFAULT_BRX 126 /* 0..216 mm*/
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#define _DEFAULT_BRY 76.21 /* 0..297 mm */
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#define _DEFAULT_TP_TLX 3.5 /* 0..42.3 mm */
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#define _DEFAULT_TP_TLY 10.5 /* 0..43.1 mm */
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#define _DEFAULT_TP_BRX 38.5 /* 0..42.3 mm */
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#define _DEFAULT_TP_BRY 33.5 /* 0..43.1 mm */
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#define _DEFAULT_NEG_TLX 1.5 /* 0..38.9 mm */
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#define _DEFAULT_NEG_TLY 1.5 /* 0..29.6 mm */
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#define _DEFAULT_NEG_BRX 37.5 /* 0..38.9 mm */
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#define _DEFAULT_NEG_BRY 25.5 /* 0..29.6 mm */
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/*
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* image sizes for normal, transparent and negative modes
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*/
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#define _NORMAL_X 216.0
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#define _NORMAL_Y 297.0
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#define _TP_X ((double)_TPAPageWidth/300.0 * MM_PER_INCH)
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#define _TP_Y ((double)_TPAPageHeight/300.0 * MM_PER_INCH)
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#define _NEG_X ((double)_NegativePageWidth/300.0 * MM_PER_INCH)
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#define _NEG_Y ((double)_NegativePageHeight/300.0 * MM_PER_INCH)
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#define _MAX_ID_LEN 20
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/************************ some structures ************************************/
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enum {
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OPT_NUM_OPTS = 0,
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OPT_MODE_GROUP,
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OPT_MODE,
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OPT_EXT_MODE,
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OPT_RESOLUTION,
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OPT_PREVIEW,
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OPT_GEOMETRY_GROUP,
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OPT_TL_X,
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OPT_TL_Y,
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OPT_BR_X,
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OPT_BR_Y,
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OPT_ENHANCEMENT_GROUP,
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OPT_HALFTONE,
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OPT_BRIGHTNESS,
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OPT_CONTRAST,
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OPT_CUSTOM_GAMMA,
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OPT_GAMMA_VECTOR,
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OPT_GAMMA_VECTOR_R,
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OPT_GAMMA_VECTOR_G,
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OPT_GAMMA_VECTOR_B,
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NUM_OPTIONS
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};
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/*
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* to distinguish between parallelport and USB device
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*/
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typedef enum {
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PARPORT = 0,
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USB,
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NUM_PORTTYPES
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} PORTTYPE;
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typedef struct Plustek_Device
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{
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SANE_Bool initialized; /* device already initialized? */
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struct Plustek_Device *next; /* pointer to next dev in list */
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int fd; /* device handle */
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char *name; /* (to avoid compiler warnings!)*/
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SANE_Device sane; /* info struct */
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SANE_Int max_x; /* max XY-extension of the scan-*/
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SANE_Int max_y; /* area */
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SANE_Range dpi_range; /* resolution range */
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SANE_Range x_range; /* x-range of the scan-area */
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SANE_Range y_range; /* y-range of the scan-area */
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SANE_Int *res_list; /* to hold the available phys. */
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SANE_Int res_list_size; /* resolution values */
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ScannerCaps caps; /* caps reported by the driver */
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AdjDef adj; /* for driver adjustment */
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/**************************** USB-stuff **********************************/
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char usbId[_MAX_ID_LEN];/* to keep Vendor and product */
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/* ID string (from conf) file */
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#ifdef _PLUSTEK_USB
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ScanDef scanning; /* here we hold all stuff for */
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/* the USB-scanner */
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DeviceDef usbDev;
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struct itimerval saveSettings; /* for lamp timer */
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#endif
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/*
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* each device we support may need other access functions...
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*/
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int (*open) ( const char*, void* );
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int (*close) ( struct Plustek_Device* );
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void (*shutdown) ( struct Plustek_Device* );
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int (*getCaps) ( struct Plustek_Device* );
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int (*getLensInfo)( struct Plustek_Device*, pLensInfo );
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int (*getCropInfo)( struct Plustek_Device*, pCropInfo );
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int (*putImgInfo) ( struct Plustek_Device*, pImgDef );
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int (*setScanEnv) ( struct Plustek_Device*, pScanInfo );
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int (*setMap) ( struct Plustek_Device*, SANE_Word*,
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SANE_Word, SANE_Word );
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int (*startScan) ( struct Plustek_Device*, pStartScan );
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int (*stopScan) ( struct Plustek_Device*, int* );
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int (*readImage) ( struct Plustek_Device*, SANE_Byte*, unsigned long );
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int (*prepare) ( struct Plustek_Device*, SANE_Byte* );
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int (*readLine) ( struct Plustek_Device* );
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} Plustek_Device, *pPlustek_Device;
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typedef union
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{
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SANE_Word w;
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SANE_Word *wa; /* word array */
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SANE_String s;
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} Option_Value;
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typedef struct Plustek_Scanner
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{
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struct Plustek_Scanner *next;
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pid_t reader_pid; /* process id of reader */
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SANE_Status exit_code; /* status of the reader process */
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int pipe; /* pipe to reader process */
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unsigned long bytes_read; /* number of bytes currently read*/
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Plustek_Device *hw; /* pointer to current device */
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Option_Value val[NUM_OPTIONS];
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SANE_Byte *buf; /* the image buffer */
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SANE_Bool scanning; /* TRUE during scan-process */
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SANE_Parameters params; /* for keeping the parameter */
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/************************** gamma tables *********************************/
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SANE_Word gamma_table[4][4096];
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SANE_Range gamma_range;
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int gamma_length;
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SANE_Option_Descriptor opt[NUM_OPTIONS];
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} Plustek_Scanner, *pPlustek_Scanner;
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typedef const struct mode_param {
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int color;
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int depth;
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int scanmode;
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} ModeParam, *pModeParam;
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/*
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* for collecting configuration info...
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*/
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typedef struct {
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char devName[PATH_MAX];
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PORTTYPE porttype;
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char usbId[_MAX_ID_LEN];
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/* contains the stuff to adjust... */
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AdjDef adj;
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} CnfDef, *pCnfDef;
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#endif /* guard __PLUSTEK_H__ */
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/* END PLUSTEK.H.............................................................*/
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