Initial import of sane-backends version 1.0.24-1.2

1 files changed, 185 insertions, 0 deletions

diff --git a/backend/canon_pp-dev.h b/backend/canon_pp-dev.h
new file mode 100644
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+++ 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