kopia lustrzana https://gitlab.com/sane-project/backends
261 wiersze
9.1 KiB
C
261 wiersze
9.1 KiB
C
/* epson.h - SANE library for Epson flatbed scanners.
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based on Kazuhiro Sasayama previous
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Work on epson.[ch] file from the SANE package.
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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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modifications
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Copyright (C) 1998-1999 Christian Bucher <bucher@vernetzt.at>
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Copyright (C) 1998-1999 Kling & Hautzinger GmbH
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Copyright (C) 1999 Norihiko Sawa <sawa@yb3.so-net.ne.jp>
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Copyright (C) 2000 Karl Heinz Kremer <khk@khk.net>
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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, see <https://www.gnu.org/licenses/>.
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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 epson_h
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#define epson_h
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#include <sys/ioctl.h>
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#include <sys/types.h>
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/* some string constants that are used in the config file */
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#define SANE_EPSON_CONFIG_USB "usb"
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#define SANE_EPSON_CONFIG_PIO "pio"
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/* string constants for GUI elements that are not defined SANE-wide */
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#define SANE_NAME_GAMMA_CORRECTION "gamma-correction"
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#define SANE_TITLE_GAMMA_CORRECTION SANE_I18N("Gamma Correction")
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#define SANE_DESC_GAMMA_CORRECTION SANE_I18N("Selects the gamma correction value from a list of pre-defined devices or the user defined table, which can be downloaded to the scanner")
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#define SANE_EPSON_FOCUS_NAME "focus-position"
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#define SANE_EPSON_FOCUS_TITLE SANE_I18N("Focus Position")
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#define SANE_EPSON_FOCUS_DESC SANE_I18N("Sets the focus position to either the glass or 2.5mm above the glass")
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#define SANE_EPSON_WAIT_FOR_BUTTON_NAME "wait-for-button"
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#define SANE_EPSON_WAIT_FOR_BUTTON_TITLE SANE_I18N("Wait for Button")
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#define SANE_EPSON_WAIT_FOR_BUTTON_DESC SANE_I18N("After sending the scan command, wait until the button on the scanner is pressed to actually start the scan process.");
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#define LINES_SHUFFLE_MAX (17) /* 2 x 8 lines plus 1 */
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#define SANE_EPSON_MAX_RETRIES (120) /* how often do we retry during warmup ? */
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typedef struct
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{
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char *level;
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unsigned char request_identity;
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unsigned char request_identity2; /* new request identity command for Dx command level */
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unsigned char request_status;
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unsigned char request_condition;
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unsigned char set_color_mode;
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unsigned char start_scanning;
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unsigned char set_data_format;
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unsigned char set_resolution;
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unsigned char set_zoom;
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unsigned char set_scan_area;
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unsigned char set_bright;
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SANE_Range bright_range;
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unsigned char set_gamma;
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unsigned char set_halftoning;
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unsigned char set_color_correction;
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unsigned char initialize_scanner;
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unsigned char set_speed; /* B4 and later */
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unsigned char set_lcount;
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unsigned char mirror_image; /* B5 and later */
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unsigned char set_gamma_table; /* B4 and later */
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unsigned char set_outline_emphasis; /* B4 and later */
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unsigned char set_dither; /* B4 and later */
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unsigned char set_color_correction_coefficients; /* B3 and later */
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unsigned char request_extended_status; /* get extended status from scanner */
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unsigned char control_an_extension; /* for extension control */
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unsigned char eject; /* for extension control */
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unsigned char feed;
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unsigned char request_push_button_status;
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unsigned char control_auto_area_segmentation;
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unsigned char set_film_type; /* for extension control */
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unsigned char set_exposure_time; /* F5 only */
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unsigned char set_bay; /* F5 only */
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unsigned char set_threshold;
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unsigned char set_focus_position; /* B8 only */
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unsigned char request_focus_position; /* B8 only */
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} EpsonCmdRec, *EpsonCmd;
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enum
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{ OPT_NUM_OPTS =
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0, OPT_MODE_GROUP, OPT_MODE, OPT_BIT_DEPTH, OPT_HALFTONE, OPT_DROPOUT,
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OPT_BRIGHTNESS, OPT_SHARPNESS, OPT_GAMMA_CORRECTION, OPT_COLOR_CORRECTION,
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OPT_RESOLUTION, OPT_THRESHOLD, OPT_ADVANCED_GROUP, OPT_MIRROR, OPT_SPEED,
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OPT_AAS, OPT_LIMIT_RESOLUTION, OPT_ZOOM, /* OPT_GAMMA_VECTOR */
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OPT_GAMMA_VECTOR_R, OPT_GAMMA_VECTOR_G, OPT_GAMMA_VECTOR_B,
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OPT_WAIT_FOR_BUTTON, OPT_CCT_GROUP, OPT_CCT_1, OPT_CCT_2, OPT_CCT_3,
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OPT_CCT_4, OPT_CCT_5, OPT_CCT_6, OPT_CCT_7, OPT_CCT_8, OPT_CCT_9,
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OPT_PREVIEW_GROUP, OPT_PREVIEW, OPT_PREVIEW_SPEED, OPT_GEOMETRY_GROUP,
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OPT_TL_X, OPT_TL_Y, OPT_BR_X, OPT_BR_Y, OPT_QUICK_FORMAT, OPT_EQU_GROUP,
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OPT_SOURCE, OPT_AUTO_EJECT, OPT_FILM_TYPE, OPT_FOCUS, OPT_BAY,
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OPT_EJECT, OPT_ADF_MODE, NUM_OPTIONS
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};
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typedef enum
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{ /* hardware connection to the scanner */
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SANE_EPSON_NODEV, /* default, no HW specified yet */
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SANE_EPSON_SCSI, /* SCSI interface */
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SANE_EPSON_PIO, /* parallel interface */
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SANE_EPSON_USB /* USB interface */
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} Epson_Connection_Type;
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typedef struct
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{
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u_short opt_resolution;
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u_char sensor;
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u_char scan_order;
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u_char line_dist1;
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u_char line_dist2;
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u_short main_res1;
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u_short main_res2;
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u_short main_res3;
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u_short main_res4;
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u_short main_res5;
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u_short main_res6;
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u_short main_res7;
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u_short sub_res1;
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u_short sub_res2;
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u_short sub_res3;
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u_short sub_res4;
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u_short sub_res5;
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u_short sub_res6;
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} Epson_Identity2;
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struct Epson_Device
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{
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struct Epson_Device *next;
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SANE_Device sane;
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SANE_Int level;
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SANE_Range dpi_range;
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SANE_Range *x_range; /* x range w/out extension */
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SANE_Range *y_range; /* y range w/out extension */
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SANE_Range fbf_x_range; /* flattbed x range */
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SANE_Range fbf_y_range; /* flattbed y range */
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SANE_Range adf_x_range; /* autom. document feeder x range */
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SANE_Range adf_y_range; /* autom. document feeder y range */
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SANE_Range tpu_x_range; /* transparency unit x range */
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SANE_Range tpu_y_range; /* transparency unit y range */
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Epson_Connection_Type connection;
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/* hardware interface type */
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SANE_Int *res_list; /* list of resolutions */
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SANE_Int res_list_size; /* number of entries in this list */
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SANE_Int last_res; /* last selected resolution */
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SANE_Int last_res_preview; /* last selected preview resolution */
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SANE_Word *resolution_list; /* for display purposes we store a second copy */
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SANE_Bool extension; /* extension is installed */
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SANE_Int use_extension; /* use the installed extension */
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SANE_Bool TPU; /* TPU is installed */
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SANE_Bool ADF; /* ADF is installed */
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SANE_Bool duplexSupport; /* does the ADF handle duplex scanning */
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SANE_Bool focusSupport; /* does this scanner have support for "set focus position" ? */
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SANE_Bool color_shuffle; /* does this scanner need color shuffling */
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SANE_Int maxDepth; /* max. color depth */
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SANE_Int optical_res; /* optical resolution */
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SANE_Int max_line_distance;
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SANE_Bool need_double_vertical;
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SANE_Bool need_color_reorder;
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SANE_Bool need_reset_on_source_change;
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SANE_Bool wait_for_button; /* do we have to wait until the scanner button is pressed? */
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SANE_Int fbf_max_x;
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SANE_Int fbf_max_y;
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SANE_Int adf_max_x;
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SANE_Int adf_max_y;
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SANE_Int devtype;
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EpsonCmd cmd;
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};
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typedef struct Epson_Device Epson_Device;
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struct Epson_Scanner
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{
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struct Epson_Scanner *next;
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int fd;
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Epson_Device *hw;
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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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SANE_Bool block;
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SANE_Bool eof;
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SANE_Byte *buf, *end, *ptr;
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SANE_Bool canceling;
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SANE_Bool invert_image;
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SANE_Bool focusOnGlass;
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SANE_Byte currentFocusPosition;
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/* SANE_Word gamma_table [ 4] [ 256]; */
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SANE_Word gamma_table[3][256];
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SANE_Int retry_count;
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SANE_Byte *line_buffer[LINES_SHUFFLE_MAX];
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/* buffer lines for color shuffling */
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SANE_Int color_shuffle_line; /* current line number for color shuffling */
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SANE_Int line_distance; /* current line distance */
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SANE_Int current_output_line; /* line counter when color shuffling */
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SANE_Int lines_written; /* debug variable */
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SANE_Bool option_has_changed; /* did one of the options change it's value? */
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};
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typedef struct Epson_Scanner Epson_Scanner;
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#endif /* not epson_h */
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