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authorJörg Frings-Fürst <debian@jff-webhosting.net>2014-10-06 14:00:40 +0200
committerJörg Frings-Fürst <debian@jff-webhosting.net>2014-10-06 14:00:40 +0200
commit6e9c41a892ed0e0da326e0278b3221ce3f5713b8 (patch)
tree2e301d871bbeeb44aa57ff9cc070fcf3be484487 /backend/epson.h
Initial import of sane-backends version 1.0.24-1.2
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+/* epson.h - SANE library for Epson flatbed scanners.
+
+ based on Kazuhiro Sasayama previous
+ Work on epson.[ch] file from the SANE package.
+
+ original code taken from sane-0.71
+ Copyright (C) 1997 Hypercore Software Design, Ltd.
+
+ modifications
+ Copyright (C) 1998-1999 Christian Bucher <bucher@vernetzt.at>
+ Copyright (C) 1998-1999 Kling & Hautzinger GmbH
+ Copyright (C) 1999 Norihiko Sawa <sawa@yb3.so-net.ne.jp>
+ Copyright (C) 2000 Karl Heinz Kremer <khk@khk.net>
+
+ This file is part of the SANE package.
+
+ This program is free software; you can redistribute it and/or
+ modify it under the terms of the GNU General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+ MA 02111-1307, USA.
+
+ As a special exception, the authors of SANE give permission for
+ additional uses of the libraries contained in this release of SANE.
+
+ The exception is that, if you link a SANE library with other files
+ to produce an executable, this does not by itself cause the
+ resulting executable to be covered by the GNU General Public
+ License. Your use of that executable is in no way restricted on
+ account of linking the SANE library code into it.
+
+ This exception does not, however, invalidate any other reasons why
+ the executable file might be covered by the GNU General Public
+ License.
+
+ If you submit changes to SANE to the maintainers to be included in
+ a subsequent release, you agree by submitting the changes that
+ those changes may be distributed with this exception intact.
+
+ If you write modifications of your own for SANE, it is your choice
+ whether to permit this exception to apply to your modifications.
+ If you do not wish that, delete this exception notice. */
+
+#ifndef epson_h
+#define epson_h
+
+#include <sys/ioctl.h>
+
+#include <sys/types.h>
+
+/* some string constants that are used in the config file */
+
+#define SANE_EPSON_CONFIG_USB "usb"
+#define SANE_EPSON_CONFIG_PIO "pio"
+
+/* string constants for GUI elements that are not defined SANE-wide */
+
+#define SANE_NAME_GAMMA_CORRECTION "gamma-correction"
+#define SANE_TITLE_GAMMA_CORRECTION SANE_I18N("Gamma Correction")
+#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")
+
+#define SANE_EPSON_FOCUS_NAME "focus-position"
+#define SANE_EPSON_FOCUS_TITLE SANE_I18N("Focus Position")
+#define SANE_EPSON_FOCUS_DESC SANE_I18N("Sets the focus position to either the glass or 2.5mm above the glass")
+#define SANE_EPSON_WAIT_FOR_BUTTON_NAME "wait-for-button"
+#define SANE_EPSON_WAIT_FOR_BUTTON_TITLE SANE_I18N("Wait for Button")
+#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.");
+
+
+#define LINES_SHUFFLE_MAX (17) /* 2 x 8 lines plus 1 */
+
+#define SANE_EPSON_MAX_RETRIES (120) /* how often do we retry during warmup ? */
+
+typedef struct
+{
+ char *level;
+
+ unsigned char request_identity;
+ unsigned char request_identity2; /* new request identity command for Dx command level */
+ unsigned char request_status;
+ unsigned char request_condition;
+ unsigned char set_color_mode;
+ unsigned char start_scanning;
+ unsigned char set_data_format;
+ unsigned char set_resolution;
+ unsigned char set_zoom;
+ unsigned char set_scan_area;
+ unsigned char set_bright;
+ SANE_Range bright_range;
+ unsigned char set_gamma;
+ unsigned char set_halftoning;
+ unsigned char set_color_correction;
+ unsigned char initialize_scanner;
+ unsigned char set_speed; /* B4 and later */
+ unsigned char set_lcount;
+ unsigned char mirror_image; /* B5 and later */
+ unsigned char set_gamma_table; /* B4 and later */
+ unsigned char set_outline_emphasis; /* B4 and later */
+ unsigned char set_dither; /* B4 and later */
+ unsigned char set_color_correction_coefficients; /* B3 and later */
+ unsigned char request_extended_status; /* get extended status from scanner */
+ unsigned char control_an_extension; /* for extension control */
+ unsigned char eject; /* for extension control */
+ unsigned char feed;
+ unsigned char request_push_button_status;
+ unsigned char control_auto_area_segmentation;
+ unsigned char set_film_type; /* for extension control */
+ unsigned char set_exposure_time; /* F5 only */
+ unsigned char set_bay; /* F5 only */
+ unsigned char set_threshold;
+ unsigned char set_focus_position; /* B8 only */
+ unsigned char request_focus_position; /* B8 only */
+} EpsonCmdRec, *EpsonCmd;
+
+enum
+{ OPT_NUM_OPTS =
+ 0, OPT_MODE_GROUP, OPT_MODE, OPT_BIT_DEPTH, OPT_HALFTONE, OPT_DROPOUT,
+ OPT_BRIGHTNESS, OPT_SHARPNESS, OPT_GAMMA_CORRECTION, OPT_COLOR_CORRECTION,
+ OPT_RESOLUTION, OPT_THRESHOLD, OPT_ADVANCED_GROUP, OPT_MIRROR, OPT_SPEED,
+ OPT_AAS, OPT_LIMIT_RESOLUTION, OPT_ZOOM, /* OPT_GAMMA_VECTOR */
+ OPT_GAMMA_VECTOR_R, OPT_GAMMA_VECTOR_G, OPT_GAMMA_VECTOR_B,
+ OPT_WAIT_FOR_BUTTON, OPT_CCT_GROUP, OPT_CCT_1, OPT_CCT_2, OPT_CCT_3,
+ OPT_CCT_4, OPT_CCT_5, OPT_CCT_6, OPT_CCT_7, OPT_CCT_8, OPT_CCT_9,
+ OPT_PREVIEW_GROUP, OPT_PREVIEW, OPT_PREVIEW_SPEED, OPT_GEOMETRY_GROUP,
+ OPT_TL_X, OPT_TL_Y, OPT_BR_X, OPT_BR_Y, OPT_QUICK_FORMAT, OPT_EQU_GROUP,
+ OPT_SOURCE, OPT_AUTO_EJECT, OPT_FILM_TYPE, OPT_FOCUS, OPT_BAY,
+ OPT_EJECT, OPT_ADF_MODE, NUM_OPTIONS
+};
+
+typedef enum
+{ /* hardware connection to the scanner */
+ SANE_EPSON_NODEV, /* default, no HW specified yet */
+ SANE_EPSON_SCSI, /* SCSI interface */
+ SANE_EPSON_PIO, /* parallel interface */
+ SANE_EPSON_USB /* USB interface */
+} Epson_Connection_Type;
+
+
+typedef struct
+{
+ u_short opt_resolution;
+ u_char sensor;
+ u_char scan_order;
+ u_char line_dist1;
+ u_char line_dist2;
+
+ u_short main_res1;
+ u_short main_res2;
+ u_short main_res3;
+ u_short main_res4;
+ u_short main_res5;
+ u_short main_res6;
+ u_short main_res7;
+
+ u_short sub_res1;
+ u_short sub_res2;
+ u_short sub_res3;
+ u_short sub_res4;
+ u_short sub_res5;
+ u_short sub_res6;
+} Epson_Identity2;
+
+
+struct Epson_Device
+{
+ struct Epson_Device *next;
+ SANE_Device sane;
+ SANE_Int level;
+ SANE_Range dpi_range;
+
+ SANE_Range *x_range; /* x range w/out extension */
+ SANE_Range *y_range; /* y range w/out extension */
+
+ SANE_Range fbf_x_range; /* flattbed x range */
+ SANE_Range fbf_y_range; /* flattbed y range */
+ SANE_Range adf_x_range; /* autom. document feeder x range */
+ SANE_Range adf_y_range; /* autom. document feeder y range */
+ SANE_Range tpu_x_range; /* transparency unit x range */
+ SANE_Range tpu_y_range; /* transparency unit y range */
+
+ Epson_Connection_Type connection;
+ /* hardware interface type */
+
+ SANE_Int *res_list; /* list of resolutions */
+ SANE_Int res_list_size; /* number of entries in this list */
+ SANE_Int last_res; /* last selected resolution */
+ SANE_Int last_res_preview; /* last selected preview resolution */
+
+ SANE_Word *resolution_list; /* for display purposes we store a second copy */
+
+ SANE_Bool extension; /* extension is installed */
+ SANE_Int use_extension; /* use the installed extension */
+ SANE_Bool TPU; /* TPU is installed */
+ SANE_Bool ADF; /* ADF is installed */
+ SANE_Bool duplexSupport; /* does the ADF handle duplex scanning */
+ SANE_Bool focusSupport; /* does this scanner have support for "set focus position" ? */
+ SANE_Bool color_shuffle; /* does this scanner need color shuffling */
+ SANE_Int maxDepth; /* max. color depth */
+
+ SANE_Int optical_res; /* optical resolution */
+ SANE_Int max_line_distance;
+
+ SANE_Bool need_double_vertical;
+ SANE_Bool need_color_reorder;
+ SANE_Bool need_reset_on_source_change;
+
+ SANE_Bool wait_for_button; /* do we have to wait until the scanner button is pressed? */
+
+ SANE_Int fbf_max_x;
+ SANE_Int fbf_max_y;
+ SANE_Int adf_max_x;
+ SANE_Int adf_max_y;
+
+ SANE_Int devtype;
+
+
+ EpsonCmd cmd;
+};
+
+typedef struct Epson_Device Epson_Device;
+
+
+
+struct Epson_Scanner
+{
+ struct Epson_Scanner *next;
+ int fd;
+ Epson_Device *hw;
+ SANE_Option_Descriptor opt[NUM_OPTIONS];
+ Option_Value val[NUM_OPTIONS];
+ SANE_Parameters params;
+ SANE_Bool block;
+ SANE_Bool eof;
+ SANE_Byte *buf, *end, *ptr;
+ SANE_Bool canceling;
+ SANE_Bool invert_image;
+ SANE_Bool focusOnGlass;
+ SANE_Byte currentFocusPosition;
+/* SANE_Word gamma_table [ 4] [ 256]; */
+ SANE_Word gamma_table[3][256];
+ SANE_Int retry_count;
+ SANE_Byte *line_buffer[LINES_SHUFFLE_MAX];
+ /* buffer lines for color shuffling */
+ SANE_Int color_shuffle_line; /* current line number for color shuffling */
+ SANE_Int line_distance; /* current line distance */
+ SANE_Int current_output_line; /* line counter when color shuffling */
+ SANE_Int lines_written; /* debug variable */
+ SANE_Bool option_has_changed; /* did one of the options change it's value? */
+};
+
+typedef struct Epson_Scanner Epson_Scanner;
+
+#endif /* not epson_h */