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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/artec.h
Initial import of sane-backends version 1.0.24-1.2
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+/* sane - Scanner Access Now Easy.
+ Copyright (C) 1996 David Mosberger-Tang
+ 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.
+
+ This file implements a SANE backend for the Artec/Ultima scanners.
+
+ Copyright (C) 1998,1999 Chris Pinkham
+ Released under the terms of the GPL.
+ *NO WARRANTY*
+
+ *********************************************************************
+ For feedback/information:
+
+ cpinkham@corp.infi.net
+ http://www4.infi.net/~cpinkham/sane/sane-artec-doc.html
+ *********************************************************************
+ */
+
+#ifndef artec_h
+#define artec_h
+
+#include <sys/types.h>
+
+#define MIN(a,b) (((a) < (b)) ? (a) : (b))
+#define MAX(a,b) (((a) > (b)) ? (a) : (b))
+
+#define ARTEC_MIN_X( hw ) ( hw->horz_resolution_list[ 0 ] ? \
+ hw->horz_resolution_list[ 1 ] : 0 )
+#define ARTEC_MAX_X( hw ) ( hw->horz_resolution_list[ 0 ] ? \
+ hw->horz_resolution_list[ \
+ hw->horz_resolution_list[ 0 ] ] : 0 )
+#define ARTEC_MIN_Y( hw ) ( hw->vert_resolution_list[ 0 ] ? \
+ hw->vert_resolution_list[ 1 ] : 0 )
+#define ARTEC_MAX_Y( hw ) ( hw->vert_resolution_list[ 0 ] ? \
+ hw->vert_resolution_list[ \
+ hw->vert_resolution_list[ 0 ] ] : 0 )
+
+typedef enum
+ {
+ OPT_NUM_OPTS = 0,
+
+ OPT_MODE_GROUP,
+ OPT_MODE,
+ OPT_X_RESOLUTION,
+ OPT_Y_RESOLUTION,
+ OPT_RESOLUTION_BIND,
+ OPT_PREVIEW,
+ OPT_GRAY_PREVIEW,
+ OPT_NEGATIVE,
+
+ OPT_GEOMETRY_GROUP,
+ OPT_TL_X, /* top-left x */
+ OPT_TL_Y, /* top-left y */
+ OPT_BR_X, /* bottom-right x */
+ OPT_BR_Y, /* bottom-right y */
+
+ OPT_ENHANCEMENT_GROUP,
+ OPT_CONTRAST,
+ OPT_BRIGHTNESS,
+ OPT_THRESHOLD,
+ OPT_HALFTONE_PATTERN,
+ OPT_FILTER_TYPE,
+ OPT_PIXEL_AVG,
+ OPT_EDGE_ENH,
+
+ OPT_CUSTOM_GAMMA, /* use custom gamma table */
+ OPT_GAMMA_VECTOR,
+ OPT_GAMMA_VECTOR_R,
+ OPT_GAMMA_VECTOR_G,
+ OPT_GAMMA_VECTOR_B,
+
+ OPT_TRANSPARENCY,
+ OPT_ADF,
+
+ OPT_CALIBRATION_GROUP,
+ OPT_QUALITY_CAL,
+ OPT_SOFTWARE_CAL,
+
+ /* must come last */
+ NUM_OPTIONS
+ }
+ARTEC_Option;
+
+/* Some FLAGS */
+#define ARTEC_FLAG_CALIBRATE 0x00000001 /* supports hardware calib */
+#define ARTEC_FLAG_CALIBRATE_RGB 0x00000003 /* yes 3, set CALIB. also */
+#define ARTEC_FLAG_CALIBRATE_DARK_WHITE 0x00000005 /* yes 5, set CALIB. also */
+#define ARTEC_FLAG_RGB_LINE_OFFSET 0x00000008 /* need line offset buffer */
+#define ARTEC_FLAG_RGB_CHAR_SHIFT 0x00000010 /* RRRRGGGGBBBB line fmt */
+#define ARTEC_FLAG_OPT_CONTRAST 0x00000020 /* supports set contrast */
+#define ARTEC_FLAG_ONE_PASS_SCANNER 0x00000040 /* single pass scanner */
+#define ARTEC_FLAG_GAMMA 0x00000080 /* supports set gamma */
+#define ARTEC_FLAG_GAMMA_SINGLE 0x00000180 /* yes 180, implies GAMMA */
+#define ARTEC_FLAG_SEPARATE_RES 0x00000200 /* separate x & y scan res */
+#define ARTEC_FLAG_IMAGE_REV_LR 0x00000400 /* reversed left-right */
+#define ARTEC_FLAG_ENHANCE_LINE_EDGE 0x00000800 /* line edge enhancement */
+#define ARTEC_FLAG_HALFTONE_PATTERN 0x00001000 /* > 1 halftone pattern */
+#define ARTEC_FLAG_REVERSE_WINDOW 0x00002000 /* reverse selected area */
+#define ARTEC_FLAG_SC_BUFFERS_LINES 0x00004000 /* scanner has line buffer */
+#define ARTEC_FLAG_SC_HANDLES_OFFSET 0x00008000 /* sc. handles line offset */
+#define ARTEC_FLAG_SENSE_HANDLER 0x00010000 /* supports sense handler */
+#define ARTEC_FLAG_SENSE_ENH_18 0x00020000 /* supports enh. byte 18 */
+#define ARTEC_FLAG_SENSE_BYTE_19 0x00040000 /* supports sense byte 19 */
+#define ARTEC_FLAG_SENSE_BYTE_22 0x00080000 /* supports sense byte 22 */
+#define ARTEC_FLAG_PIXEL_AVERAGING 0x00100000 /* supports pixel avg-ing */
+#define ARTEC_FLAG_ADF 0x00200000 /* auto document feeder */
+#define ARTEC_FLAG_OPT_BRIGHTNESS 0x00400000 /* supports set brightness */
+#define ARTEC_FLAG_MBPP_NEGATIVE 0x00800000 /* can negate > 1bpp modes */
+
+typedef enum
+ {
+ ARTEC_COMP_LINEART = 0,
+ ARTEC_COMP_HALFTONE,
+ ARTEC_COMP_GRAY,
+ ARTEC_COMP_UNSUPP1,
+ ARTEC_COMP_UNSUPP2,
+ ARTEC_COMP_COLOR
+ }
+ARTEC_Image_Composition;
+
+typedef enum
+ {
+ ARTEC_DATA_IMAGE = 0,
+ ARTEC_DATA_UNSUPP1,
+ ARTEC_DATA_HALFTONE_PATTERN, /* 2 */
+ ARTEC_DATA_UNSUPP3,
+ ARTEC_DATA_RED_SHADING, /* 4 */
+ ARTEC_DATA_GREEN_SHADING, /* 5 */
+ ARTEC_DATA_BLUE_SHADING, /* 6 */
+ ARTEC_DATA_WHITE_SHADING_OPT, /* 7 */
+ ARTEC_DATA_WHITE_SHADING_TRANS, /* 8 */
+ ARTEC_DATA_CAPABILITY_DATA, /* 9 */
+ ARTEC_DATA_DARK_SHADING, /* 10, 0xA */
+ ARTEC_DATA_RED_GAMMA_CURVE, /* 11, 0xB */
+ ARTEC_DATA_GREEN_GAMMA_CURVE, /* 12, 0xC */
+ ARTEC_DATA_BLUE_GAMMA_CURVE, /* 13, 0xD */
+ ARTEC_DATA_ALL_GAMMA_CURVE /* 14, 0xE */
+ }
+ARTEC_Read_Data_Type;
+
+typedef enum
+ {
+ ARTEC_CALIB_RGB = 0,
+ ARTEC_CALIB_DARK_WHITE
+ }
+ARTEC_Calibrate_Method;
+
+typedef enum
+ {
+ ARTEC_FILTER_MONO = 0,
+ ARTEC_FILTER_RED,
+ ARTEC_FILTER_GREEN,
+ ARTEC_FILTER_BLUE
+ }
+ARTEC_Filter_Type;
+
+typedef enum
+ {
+ ARTEC_SOFT_CALIB_RED = 0,
+ ARTEC_SOFT_CALIB_GREEN,
+ ARTEC_SOFT_CALIB_BLUE
+ }
+ARTEC_Software_Calibrate;
+
+
+typedef struct ARTEC_Device
+ {
+ struct ARTEC_Device *next;
+ SANE_Device sane;
+ double width;
+ SANE_Range x_range;
+ SANE_Word *horz_resolution_list;
+ double height;
+ SANE_Range y_range;
+ SANE_Word *vert_resolution_list;
+ SANE_Range threshold_range;
+ SANE_Range contrast_range;
+ SANE_Range brightness_range;
+ SANE_Word setwindow_cmd_size;
+ SANE_Word calibrate_method;
+ SANE_Word max_read_size;
+
+ long flags;
+ SANE_Bool support_cap_data_retrieve;
+ SANE_Bool req_shading_calibrate;
+ SANE_Bool req_rgb_line_offset;
+ SANE_Bool req_rgb_char_shift;
+
+ /* info for 1-pass vs. 3-pass */
+ SANE_Bool onepass;
+
+ SANE_Bool support_gamma;
+ SANE_Bool single_gamma;
+ SANE_Int gamma_length;
+ }
+ARTEC_Device;
+
+typedef struct ARTEC_Scanner
+ {
+ /* all the state needed to define a scan request: */
+ struct ARTEC_Scanner *next;
+
+ SANE_Option_Descriptor opt[NUM_OPTIONS];
+ Option_Value val[NUM_OPTIONS];
+
+ SANE_Int gamma_table[4][4096];
+ double soft_calibrate_data[3][2592];
+ SANE_Int halftone_pattern[64];
+ SANE_Range gamma_range;
+ int gamma_length;
+
+ int scanning;
+ SANE_Parameters params;
+ size_t bytes_to_read;
+ SANE_Int line_offset;
+
+ /* scan parameters */
+ char *mode;
+ SANE_Int x_resolution;
+ SANE_Int y_resolution;
+ SANE_Int tl_x;
+ SANE_Int tl_y;
+
+ /* info for 1-pass vs. 3-pass */
+ int this_pass;
+ SANE_Bool onepasscolor;
+ SANE_Bool threepasscolor;
+
+ int fd; /* SCSI filedescriptor */
+
+ /* scanner dependent/low-level state: */
+ ARTEC_Device *hw;
+ }
+ARTEC_Scanner;
+
+#endif /* artec_h */