kopia lustrzana https://gitlab.com/sane-project/backends
394 wiersze
9.5 KiB
C
394 wiersze
9.5 KiB
C
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/* sane - Scanner Access Now Easy.
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This file is part of the SANE package.
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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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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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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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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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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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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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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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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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#ifndef ibm_h
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#define ibm_h 1
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#include <sys/types.h>
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#include <sane/config.h>
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/* defines for scan_image_mode field */
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#define IBM_BINARY_MONOCHROME 0
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#define IBM_DITHERED_MONOCHROME 1
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#define IBM_GRAYSCALE 2
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/* defines for paper field */
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#define IBM_PAPER_USER_DEFINED 0
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#define IBM_PAPER_A3 1
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#define IBM_PAPER_A4 2
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#define IBM_PAPER_A4L 3
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#define IBM_PAPER_A5 4
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#define IBM_PAPER_A5L 5
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#define IBM_PAPER_A6 6
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#define IBM_PAPER_B4 7
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#define IBM_PAPER_B5 8
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#define IBM_PAPER_LEGAL 9
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#define IBM_PAPER_LETTER 10
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/* sizes for mode parameter's base_measurement_unit */
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#define INCHES 0
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#define MILLIMETERS 1
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#define POINTS 2
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#define DEFAULT_MUD 1200
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#define MEASUREMENTS_PAGE (SANE_Byte)(0x03)
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/* Mode Page Control */
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#define PC_CURRENT 0x00
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#define PC_CHANGE 0x40
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#define PC_DEFAULT 0x80
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#define PC_SAVED 0xc0
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static const SANE_String_Const mode_list[] =
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{
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"Lineart", "Halftone", "Gray",
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0
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};
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static const SANE_String_Const paper_list[] =
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{
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"User",
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"A3",
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"A4", "A4R",
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"A5", "A5R",
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"A6",
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"B4", "B5",
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"Legal", "Letter",
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0
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};
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#define PAPER_A3_W 14032
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#define PAPER_A3_H 19842
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#define PAPER_A4_W 9921
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#define PAPER_A4_H 14032
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#define PAPER_A4R_W 14032
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#define PAPER_A4R_H 9921
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#define PAPER_A5_W 7016
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#define PAPER_A5_H 9921
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#define PAPER_A5R_W 9921
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#define PAPER_A5R_H 7016
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#define PAPER_A6_W 4960
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#define PAPER_A6_H 7016
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#define PAPER_B4_W 11811
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#define PAPER_B4_H 16677
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#define PAPER_B5_W 8598
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#define PAPER_B5_H 12142
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#define PAPER_LEGAL_W 10200
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#define PAPER_LEGAL_H 16800
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#define PAPER_LETTER_W 10200
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#define PAPER_LETTER_H 13200
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static const SANE_Range u8_range =
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{
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0, /* minimum */
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255, /* maximum */
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0 /* quantization */
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};
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static const SANE_Range ibm2456_res_range =
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{
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100, /* minimum */
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600, /* maximum */
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0 /* quantization */
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};
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static const SANE_Range default_x_range =
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{
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0, /* minimum */
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/* (SANE_Word) ( * DEFAULT_MUD), maximum */
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14032, /* maximum (found empirically for Gray mode) */
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/* in Lineart mode it works till 14062 */
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2 /* quantization */
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};
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static const SANE_Range default_y_range =
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{
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0, /* minimum */
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/* (SANE_Word) (14 * DEFAULT_MUD), maximum */
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20410, /* maximum (found empirically) */
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2 /* quantization */
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};
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static inline void
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_lto2b(SANE_Int val, SANE_Byte *bytes)
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{
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bytes[0] = (val >> 8) & 0xff;
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bytes[1] = val & 0xff;
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}
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static inline void
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_lto3b(SANE_Int val, SANE_Byte *bytes)
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{
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bytes[0] = (val >> 16) & 0xff;
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bytes[1] = (val >> 8) & 0xff;
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bytes[2] = val & 0xff;
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}
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static inline void
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_lto4b(SANE_Int val, SANE_Byte *bytes)
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{
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bytes[0] = (val >> 24) & 0xff;
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bytes[1] = (val >> 16) & 0xff;
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bytes[2] = (val >> 8) & 0xff;
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bytes[3] = val & 0xff;
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}
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static inline SANE_Int
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_2btol(SANE_Byte *bytes)
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{
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SANE_Int rv;
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rv = (bytes[0] << 8) |
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bytes[1];
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return (rv);
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}
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static inline SANE_Int
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_3btol(SANE_Byte *bytes)
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{
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SANE_Int rv;
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rv = (bytes[0] << 16) |
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(bytes[1] << 8) |
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bytes[2];
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return (rv);
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}
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static inline SANE_Int
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_4btol(SANE_Byte *bytes)
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{
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SANE_Int rv;
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rv = (bytes[0] << 24) |
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(bytes[1] << 16) |
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(bytes[2] << 8) |
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bytes[3];
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return (rv);
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}
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typedef enum
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{
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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_X_RESOLUTION,
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OPT_Y_RESOLUTION,
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OPT_ADF,
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OPT_GEOMETRY_GROUP,
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OPT_PAPER, /* predefined formats */
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OPT_TL_X, /* top-left x */
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OPT_TL_Y, /* top-left y */
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OPT_BR_X, /* bottom-right x */
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OPT_BR_Y, /* bottom-right y */
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OPT_ENHANCEMENT_GROUP,
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OPT_BRIGHTNESS,
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OPT_CONTRAST,
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/* must come last: */
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NUM_OPTIONS
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}
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Ibm_Option;
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typedef union
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{
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SANE_Bool b;
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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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}
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Option_Value;
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typedef struct Ibm_Info
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{
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SANE_Range xres_range;
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SANE_Range yres_range;
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SANE_Range x_range;
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SANE_Range y_range;
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SANE_Range brightness_range;
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SANE_Range contrast_range;
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SANE_Int xres_default;
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SANE_Int yres_default;
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SANE_Int image_mode_default;
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SANE_Int paper_default;
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SANE_Int brightness_default;
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SANE_Int contrast_default;
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SANE_Int adf_default;
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SANE_Int bmu;
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SANE_Int mud;
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}
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Ibm_Info;
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typedef struct Ibm_Device
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{
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struct Ibm_Device *next;
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SANE_Device sane;
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Ibm_Info info;
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}
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Ibm_Device;
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typedef struct Ibm_Scanner
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{
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/* all the state needed to define a scan request: */
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struct Ibm_Scanner *next;
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int fd; /* SCSI filedescriptor */
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SANE_Option_Descriptor opt[NUM_OPTIONS];
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Option_Value val[NUM_OPTIONS];
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SANE_Parameters params;
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/* scanner dependent/low-level state: */
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Ibm_Device *hw;
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SANE_Int xres;
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SANE_Int yres;
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SANE_Int ulx;
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SANE_Int uly;
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SANE_Int width;
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SANE_Int length;
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SANE_Int brightness;
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SANE_Int contrast;
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SANE_Int image_composition;
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SANE_Int bpp;
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SANE_Bool reverse;
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/* next lines by mf */
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SANE_Int adf_state;
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#define ADF_UNUSED 0 /* scan from flatbed, not ADF */
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#define ADF_ARMED 1 /* scan from ADF, everything's set up */
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#define ADF_CLEANUP 2 /* eject paper from ADF on close */
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/* end lines by mf */
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size_t bytes_to_read;
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int scanning;
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}
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Ibm_Scanner;
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struct inquiry_data {
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SANE_Byte devtype;
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SANE_Byte byte2;
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SANE_Byte byte3;
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SANE_Byte byte4;
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SANE_Byte byte5;
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SANE_Byte res1[2];
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SANE_Byte flags;
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SANE_Byte vendor[8];
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SANE_Byte product[8];
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SANE_Byte revision[4];
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SANE_Byte byte[60];
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};
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#define IBM_WINDOW_DATA_SIZE 320
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struct ibm_window_data {
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/* header */
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SANE_Byte reserved[6];
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SANE_Byte len[2];
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/* data */
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SANE_Byte window_id; /* must be zero */
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SANE_Byte reserved0;
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SANE_Byte x_res[2];
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SANE_Byte y_res[2];
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SANE_Byte x_org[4];
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SANE_Byte y_org[4];
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SANE_Byte width[4];
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SANE_Byte length[4];
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SANE_Byte brightness;
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SANE_Byte threshold;
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SANE_Byte contrast;
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SANE_Byte image_comp; /* image composition (data type) */
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SANE_Byte bits_per_pixel;
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SANE_Byte halftone_code; /* halftone_pattern[0] in ricoh.h */
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SANE_Byte halftone_id; /* halftone_pattern[1] in ricoh.h */
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SANE_Byte pad_type;
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SANE_Byte bit_ordering[2];
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SANE_Byte compression_type;
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SANE_Byte compression_arg;
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SANE_Byte res3[6];
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/* Vendor Specific parameter byte(s) */
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/* Ricoh specific, follow the scsi2 standard ones */
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SANE_Byte byte1;
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SANE_Byte byte2;
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SANE_Byte mrif_filtering_gamma_id;
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SANE_Byte byte3;
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SANE_Byte byte4;
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SANE_Byte binary_filter;
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SANE_Byte reserved2[18];
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SANE_Byte reserved3[256];
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};
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struct measurements_units_page {
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SANE_Byte page_code; /* 0x03 */
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SANE_Byte parameter_length; /* 0x06 */
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SANE_Byte bmu;
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SANE_Byte res1;
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SANE_Byte mud[2];
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SANE_Byte res2[2]; /* anybody know what `COH' may mean ??? */
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/* next 4 lines by mf */
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SANE_Byte adf_page_code;
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SANE_Byte adf_parameter_length;
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SANE_Byte adf_control;
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SANE_Byte res3[5];
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};
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struct mode_pages {
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SANE_Byte page_code;
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SANE_Byte parameter_length;
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SANE_Byte rest[14]; /* modified by mf; it was 6; see above */
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#if 0
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SANE_Byte more_pages[243]; /* maximum size 255 bytes (incl header) */
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#endif
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};
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#endif /* ibm_h */
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