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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/canon_pp-dev.h
Initial import of sane-backends version 1.0.24-1.2
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diff --git a/backend/canon_pp-dev.h b/backend/canon_pp-dev.h
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+/* sane - Scanner Access Now Easy.
+ Copyright (C) 2001-2002 Matthew C. Duggan and Simon Krix
+ 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.
+
+ -----
+
+ canon_pp-dev.h: $Revision$
+
+ This file is part of the canon_pp backend, supporting Canon FBX30P
+ and NX40P scanners and also part of the stand-alone driver.
+
+ Simon Krix <kinsei@users.sourceforge.net>
+ */
+
+#ifndef CANON_PP_DEV_H
+
+#define CANON_PP_DEV_H
+
+/* Signal names */
+/* C port */
+#define READY 0x1f
+#define NSELECTIN 0x08
+#define NINIT 0x04
+#define HOSTBUSY 0x02
+#define HOSTCLK 0x01
+
+/* S port */
+#define BUSY 0x10
+#define NACK 0x08
+#define PTRCLK 0x08
+#define PERROR 0x04
+#define ACKDATAREQ 0x04
+#define XFLAG 0x02
+#define SELECT 0x02
+#define NERROR 0x01
+#define NFAULT 0x01
+#define NDATAAVAIL 0x01
+
+/* Scanner things */
+#define CALSIZE 18 /* Lines per calibration */
+
+/* Init modes */
+#define INITMODE_20P 1
+#define INITMODE_30P 2
+#define INITMODE_AUTO 3
+
+/* Misc things */
+#define T_SCAN 1
+#define T_CALIBRATE 2
+
+/* Macros */
+#define MAKE_SHORT(a,b) (((short)a)*0x100+(short)b)
+#define LOW_BYTE(a) (a%0x100)
+#define HIGH_BYTE(a) (a/0x100)
+
+typedef struct scanner_parameter_struct
+{
+ /* This is the port the scanner is on, in libieee1284-readable form */
+ struct parport *port;
+
+ /* Width of the scanning head in pixels */
+ int scanheadwidth;
+ int scanbedlength;
+
+ /* Resolution of the scan head where dpi = 75 << natural_resolution */
+ int natural_xresolution;
+ int natural_yresolution;
+
+ int max_xresolution;
+ int max_yresolution;
+
+ /* ID String. Should only be 38(?) bytes long, so we can
+ reduce the size later. */
+ char id_string[80];
+
+ /* Short, readable scanner name, such as "FB330P" */
+ char name[40];
+
+ /* Pixel weight values from calibration, one per pixel on the scan head.
+ These must be allocated before any scanning can be done. */
+ unsigned long *blackweight;
+ unsigned long *redweight;
+ unsigned long *greenweight;
+ unsigned long *blueweight;
+
+ /* Not understood white-balance/gain values */
+ unsigned char gamma[32];
+
+ /* Type of scanner ( 0 = *20P, 1 = [*30P|*40P] ) */
+ unsigned char type;
+
+ /* Are we aborting this scanner now */
+ unsigned char abort_now;
+
+} scanner_parameters;
+
+typedef struct scan_parameter_struct
+{
+ /* Size of image */
+ unsigned int width, height;
+ /* Position of image on the scanner bed */
+ unsigned int xoffset, yoffset;
+ /* Resolution at which to scan (remember it's 75 << resolution) */
+ int xresolution, yresolution;
+ /* Mode of image. 0 = greyscale, 1 = truecolour */
+ int mode;
+} scan_parameters;
+
+typedef struct image_segment_struct
+{
+ /* Size of image segment */
+ unsigned int width, height;
+ /* Which part of the image this is */
+ unsigned int start_scanline;
+ /* Pointer to image data */
+ unsigned char *image_data;
+} image_segment;
+
+/* Scan-related functions ========================= */
+
+/* Brings the scanner in and out of transparent mode
+ and detects model information */
+int sanei_canon_pp_initialise(scanner_parameters *sp, int mode);
+int sanei_canon_pp_close_scanner(scanner_parameters *sp);
+
+/* Image scanning functions */
+int sanei_canon_pp_init_scan(scanner_parameters *sp, scan_parameters *scanp);
+
+int sanei_canon_pp_read_segment(image_segment **dest, scanner_parameters *sp,
+ scan_parameters *scanp, int scanline_count, int do_adjust,
+ int scanlines_left);
+
+int sanei_canon_pp_abort_scan(scanner_parameters *sp);
+
+/* Loads the gain offset values. Needs a new name. */
+int sanei_canon_pp_load_weights(const char *filename, scanner_parameters *sp);
+
+
+int sanei_canon_pp_calibrate(scanner_parameters *sp, char *cal_file);
+
+int sanei_canon_pp_adjust_gamma(scanner_parameters *sp);
+
+/* Detect if a scanner is present on a given port */
+int sanei_canon_pp_detect(struct parport *port, int mode);
+
+/* Put a scanner to sleep */
+int sanei_canon_pp_sleep_scanner(struct parport *port);
+
+#endif