kopia lustrzana https://gitlab.com/sane-project/backends
191 wiersze
6.2 KiB
C
191 wiersze
6.2 KiB
C
/*.............................................................................
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* Project : SANE library for Plustek flatbed scanners.
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*.............................................................................
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* File: plustek.h - definitions for the backend
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*.............................................................................
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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.
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*
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* original code taken from sane-0.71
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* Copyright (C) 1997 Hypercore Software Design, Ltd.
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*
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* modifications
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* Copyright (C) 1998 Christian Bucher
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* Copyright (C) 1998 Kling & Hautzinger GmbH
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* Last Update:
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* Gerhard Jaeger <g.jaeger@earthling.net>
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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_Scan
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*
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*.............................................................................
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*
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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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*/
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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 walloc(x) ( x *) malloc( sizeof( x) )
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#define walloca(x) ( x *) alloca( sizeof( x) )
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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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/************************ 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_HALFTONE,
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OPT_DROPOUT,
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OPT_BRIGHTNESS,
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OPT_CONTRAST,
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OPT_RESOLUTION,
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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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NUM_OPTIONS
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};
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/*
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* our own decription for some options
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*/
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#define PLUSTEK_DESC_SCAN_SOURCE \
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"Selects the picture mode."
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typedef struct Plustek_Device
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{
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struct Plustek_Device *next;
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int fd; /* device handle */
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SANE_Device sane;
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SANE_Int model;
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SANE_Int asic;
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SANE_Int max_x;
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SANE_Int max_y;
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SANE_Int level;
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SANE_Range dpi_range;
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SANE_Range x_range;
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SANE_Range y_range;
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SANE_Int *res_list;
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SANE_Int res_list_size;
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} Plustek_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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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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SANE_Option_Descriptor opt[NUM_OPTIONS];
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} Plustek_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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#endif /* guard __PLUSTEK_H__ */
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/* END PLUSTEK.H.............................................................*/
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