kopia lustrzana https://gitlab.com/sane-project/backends
428 wiersze
13 KiB
C
428 wiersze
13 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) 2001-2005 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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* - 0.46 - flag initialized is now used as device index
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* - added calFile to Plustek_Device
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* - removed _OPT_HALFTONE
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* - 0.47 - added mov to adjustment
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* - changed stopScan function definition
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* - removed open function
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* - added OPT_LAMPSWITCH and OPT_WARMUPTIME
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* - 0.48 - added OPT_CACHECAL, OPT_OVR_*, OPT_LAMPOFF_TIMER and
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* OPT_LAMPOFF_ONEND, also did some cleanup
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* - moved SCANDEF definitions to plustek-usb.h
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* - removed function pointer
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* - added OPT_BIT_DEPTH
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* - 0.49 - added typedef struct DevList
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* - added button stuff
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* - added transferRate to struct Plustek_Device
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* - 0.50 - cleanup
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* - added OPT_SPEEDUP
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* - 0.51 - added OPT_CALIBRATE
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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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#define _MEASURE_BASE 300UL
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#define _DEF_DPI 50
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#define DEFAULT_RATE 1000000
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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 103 /* 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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/** image sizes for normal, transparent and negative modes
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*/
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#define _TPAPageWidth 500UL
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#define _TPAPageHeight 510UL
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#define _TPALargePageWidth 1270UL
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#define _TPALargePageHeight 1570UL
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#define _TPAMinDpi 150
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#define _NegPageWidth 460UL
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#define _NegPageHeight 350UL
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#define _NegLargePageWidth 1270UL
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#define _NegLargePageHeight 1570UL
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#define _SCALE(X) ((double)(X)/300.0 * MM_PER_INCH)
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/** scan modes
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*/
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#define COLOR_BW 0
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#define COLOR_256GRAY 1
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#define COLOR_GRAY16 2
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#define COLOR_TRUE24 3
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#define COLOR_TRUE48 4
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/** usb id buffer
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*/
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#define _MAX_ID_LEN 20
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/**
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*/
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#define SFLAG_ADF 0x00000010 /* Automatic document feeder */
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#define SFLAG_TPA 0x00000080 /* has transparency adapter */
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/**
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*/
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#define SOURCE_Reflection 0
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#define SOURCE_Transparency 1
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#define SOURCE_Negative 2
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#define SOURCE_ADF 3
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/** for Gamma tables
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*/
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#define _MAP_RED 0
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#define _MAP_GREEN 1
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#define _MAP_BLUE 2
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#define _MAP_MASTER 3
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/** generic error codes...
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*/
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#define _FIRST_ERR -9000
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#define _E_ALLOC (_FIRST_ERR-1) /**< error allocating memory */
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#define _E_INVALID (_FIRST_ERR-2) /**< invalid parameter detected */
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#define _E_INTERNAL (_FIRST_ERR-3) /**< internal error */
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#define _E_ABORT (_FIRST_ERR-4) /**< operation aborted */
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#define _E_LAMP_NOT_IN_POS (_FIRST_ERR-10)
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#define _E_LAMP_NOT_STABLE (_FIRST_ERR-11)
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#define _E_NODATA (_FIRST_ERR-12)
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#define _E_BUFFER_TOO_SMALL (_FIRST_ERR-13)
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#define _E_DATAREAD (_FIRST_ERR-14)
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/************************ some structures ************************************/
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#define _ENABLE(option) s->opt[option].cap &= ~SANE_CAP_INACTIVE
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#define _DISABLE(option) s->opt[option].cap |= SANE_CAP_INACTIVE
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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_BIT_DEPTH,
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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_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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OPT_DEVICE_GROUP,
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OPT_LAMPSWITCH,
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OPT_LAMPOFF_TIMER,
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OPT_LAMPOFF_ONEND,
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OPT_WARMUPTIME,
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OPT_CACHECAL,
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OPT_SPEEDUP,
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OPT_CALIBRATE,
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OPT_AFE_GROUP,
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OPT_OVR_REDGAIN,
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OPT_OVR_GREENGAIN,
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OPT_OVR_BLUEGAIN,
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OPT_OVR_REDOFS,
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OPT_OVR_GREENOFS,
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OPT_OVR_BLUEOFS,
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OPT_OVR_RED_LOFF,
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OPT_OVR_GREEN_LOFF,
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OPT_OVR_BLUE_LOFF,
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OPT_BUTTON_GROUP,
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OPT_BUTTON_0,
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OPT_BUTTON_1,
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OPT_BUTTON_2,
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OPT_BUTTON_3,
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OPT_BUTTON_4,
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OPT_BUTTON_LAST = OPT_BUTTON_4,
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NUM_OPTIONS
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};
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/**
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*/
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typedef struct {
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int x;
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int y;
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} OffsDef, *pOffsDef;
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/** for adjusting the scanner settings
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*/
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typedef struct {
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int mov; /**< model override */
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int lampOff;
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int lampOffOnEnd;
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int warmup;
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int enableTpa;
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int skipCalibration;
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int skipFine;
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int skipFineWhite;
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int disableSpeedup;
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int invertNegatives;
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int cacheCalData;
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int altCalibrate; /* force use of the alternate canoscan autocal;
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perhaps other Canon scanners require the
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alternate autocalibration as well */
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/* AFE adjustemnts, gain and offset */
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int rgain;
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int ggain;
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int bgain;
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int rofs;
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int gofs;
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int bofs;
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int rlampoff; /* for red lamp off setting (CIS-scanner) */
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int glampoff; /* for green lamp off setting (CIS-scanner) */
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int blampoff; /* for blue lamp off setting (CIS-scanner) */
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OffsDef pos; /* for adjusting normal scan area */
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OffsDef tpa; /* for adjusting transparency scan area */
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OffsDef neg; /* for adjusting negative scan area */
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int posShadingY;
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int tpaShadingY;
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int negShadingY;
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/* for adjusting the default gamma settings */
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double rgamma;
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double ggamma;
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double bgamma;
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double graygamma;
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} AdjDef;
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typedef struct {
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unsigned short x;
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unsigned short y;
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unsigned short cx;
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unsigned short cy;
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} CropRect;
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typedef struct image {
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unsigned long dwFlag;
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CropRect crArea;
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XY xyDpi;
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unsigned short wDataType;
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} ImgDef;
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typedef struct {
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unsigned long dwPixelsPerLine;
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unsigned long dwBytesPerLine;
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unsigned long dwLinesPerArea;
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ImgDef ImgDef;
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} CropInfo;
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typedef struct {
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ImgDef ImgDef;
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short siBrightness;
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short siContrast;
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} ScanInfo;
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typedef struct {
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unsigned long dwFlag;
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unsigned short wMaxExtentX; /**< scanarea width */
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unsigned short wMaxExtentY; /**< scanarea height */
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} ScannerCaps;
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typedef struct Plustek_Device
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{
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SANE_Int 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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char *calFile; /* for saving calibration data */
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unsigned long transferRate; /* detected USB-Speed in Bytes/s*/
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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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struct ScanDef scanning; /* here we hold all stuff for */
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/* the USB-scanner */
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struct DeviceDef usbDev;
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#ifdef HAVE_SETITIMER
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struct itimerval saveSettings; /* for lamp timer */
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#endif
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} Plustek_Device;
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#ifndef SANE_OPTION
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/* for compatibility with older versions */
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typedef union
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{
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SANE_Word w;
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SANE_Word *wa;
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SANE_String s;
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} Option_Value;
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#endif
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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 r_pipe; /* pipe to reader process */
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int w_pipe; /* pipe from 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_Bool calibrating; /* TRUE during calibration */
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SANE_Bool ipc_read_done; /* TRUE after ipc has been red */
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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;
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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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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;
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/** for supported device list
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*/
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typedef struct DevList {
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SANE_Word vendor_id;
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SANE_Word device_id;
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SANE_Bool attached;
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SANE_Char *dev_name;
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struct DevList *next;
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} DevList;
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#endif /* guard __PLUSTEK_H__ */
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/* END PLUSTEK.H.............................................................*/
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