Initial import of sane-backends version 1.0.24-1.2

1 files changed, 262 insertions, 0 deletions

diff --git a/backend/epson.h b/backend/epson.h
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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 */