kopia lustrzana https://gitlab.com/sane-project/backends
334 wiersze
8.6 KiB
C
334 wiersze
8.6 KiB
C
#ifndef SP15C_H
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#define SP15C_H
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/* sane - Scanner Access Now Easy.
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This file is part of the SANE package.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>.
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As a special exception, the authors of SANE give permission for
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additional uses of the libraries contained in this release of SANE.
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The exception is that, if you link a SANE library with other files
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to produce an executable, this does not by itself cause the
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resulting executable to be covered by the GNU General Public
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License. Your use of that executable is in no way restricted on
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account of linking the SANE library code into it.
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This exception does not, however, invalidate any other reasons why
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the executable file might be covered by the GNU General Public
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License.
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If you submit changes to SANE to the maintainers to be included in
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a subsequent release, you agree by submitting the changes that
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those changes may be distributed with this exception intact.
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If you write modifications of your own for SANE, it is your choice
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whether to permit this exception to apply to your modifications.
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If you do not wish that, delete this exception notice.
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This file implements a SANE backend for Fujitsu ScanParner 15c
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flatbed/ADF scanners. It was derived from the COOLSCAN driver.
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Written by Randolph Bentson <bentson@holmsjoen.com> */
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/* ------------------------------------------------------------------------- */
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/*
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* Revision 1.8 2008/05/15 12:50:24 ellert-guest
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* Fix for bug #306751: sanei-thread with pthreads on 64 bit
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*
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* Revision 1.7 2005-09-19 19:57:48 fzago-guest
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* Replaced __unused__ with __sane_unused__ to avoid a namespace conflict.
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*
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* Revision 1.6 2004/11/13 19:53:04 fzago-guest
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* Fixes some warnings.
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*
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* Revision 1.5 2004/05/23 17:28:56 hmg-guest
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* Use sanei_thread instead of fork() in the unmaintained backends.
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* Patches from Mattias Ellert (bugs: 300635, 300634, 300633, 300629).
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*
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* Revision 1.4 2003/12/27 17:48:38 hmg-guest
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* Silenced some compilation warnings.
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*
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* Revision 1.3 2000/08/12 15:09:42 pere
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* Merge devel (v1.0.3) into head branch.
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*
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* Revision 1.1.2.3 2000/03/14 17:47:14 abel
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* new version of the Sharp backend added.
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*
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* Revision 1.1.2.2 2000/01/26 03:51:50 pere
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* Updated backends sp15c (v1.12) and m3096g (v1.11).
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*
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* Revision 1.7 2000/01/05 05:22:26 bentson
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* indent to barfable GNU style
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*
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* Revision 1.6 1999/12/03 20:57:13 bentson
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* add MEDIA CHECK command
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*
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* Revision 1.5 1999/11/24 15:55:56 bentson
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* remove some debug stuff; rename function
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*
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* Revision 1.4 1999/11/23 18:54:26 bentson
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* tidy up function types for constraint checking
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*
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* Revision 1.3 1999/11/23 06:41:54 bentson
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* add debug flag to interface
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*
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* Revision 1.2 1999/11/22 18:15:20 bentson
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* more work on color support
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*
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* Revision 1.1 1999/11/19 15:09:08 bentson
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* cribbed from m3096g
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*
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*/
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static const SANE_Device **devlist = NULL;
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static int num_devices;
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static struct sp15c *first_dev;
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enum sp15c_Option
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{
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OPT_NUM_OPTS = 0,
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OPT_MODE_GROUP,
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OPT_SOURCE,
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OPT_MODE,
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OPT_TYPE,
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OPT_X_RES,
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OPT_Y_RES,
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OPT_PRESCAN,
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OPT_PREVIEW_RES,
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OPT_GEOMETRY_GROUP,
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OPT_TL_X, /* in mm/2^16 */
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OPT_TL_Y, /* in mm/2^16 */
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OPT_BR_X, /* in mm/2^16 */
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OPT_BR_Y, /* in mm/2^16 */
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OPT_ENHANCEMENT_GROUP,
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OPT_AVERAGING,
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OPT_BRIGHTNESS,
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OPT_THRESHOLD,
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OPT_ADVANCED_GROUP,
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OPT_PREVIEW,
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/* must come last: */
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NUM_OPTIONS
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};
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struct sp15c
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{
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struct sp15c *next;
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SANE_Option_Descriptor opt[NUM_OPTIONS];
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SANE_Device sane;
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char vendor[9];
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char product[17];
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char version[5];
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char *devicename; /* name of the scanner device */
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int sfd; /* output file descriptor, scanner device */
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int pipe;
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int reader_pipe;
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int scanning; /* "in progress" flag */
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int autofeeder; /* detected */
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int use_adf; /* requested */
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SANE_Pid reader_pid; /* child is running */
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int prescan; /* ??? */
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/***** terms for "set window" command *****/
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int x_res; /* resolution in */
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int y_res; /* pixels/inch */
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int tl_x; /* top left position, */
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int tl_y; /* in inch/1200 units */
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int br_x; /* bottom right position, */
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int br_y; /* in inch/1200 units */
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int brightness;
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int threshold;
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int contrast;
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int composition;
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int bitsperpixel; /* at the scanner interface */
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int halftone;
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int rif;
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int bitorder;
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int compress_type;
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int compress_arg;
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int vendor_id_code;
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int outline;
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int emphasis;
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int auto_sep;
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int mirroring;
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int var_rate_dyn_thresh;
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int white_level_follow;
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int subwindow_list;
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int paper_size;
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int paper_width_X;
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int paper_length_Y;
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/***** end of "set window" terms *****/
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/* buffer used for scsi-transfer */
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unsigned char *buffer;
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unsigned int row_bufsize;
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};
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/* ------------------------------------------------------------------------- */
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#define length_quant SANE_UNFIX(SANE_FIX(MM_PER_INCH / 1200.0))
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#define mmToIlu(mm) ((mm) / length_quant)
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#define iluToMm(ilu) ((ilu) * length_quant)
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#define SP15C_CONFIG_FILE "sp15c.conf"
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/* ------------------------------------------------------------------------- */
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SANE_Status
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sane_init (SANE_Int * version_code, SANE_Auth_Callback authorize);
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SANE_Status
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sane_get_devices (const SANE_Device *** device_list, SANE_Bool local_only);
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SANE_Status
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sane_open (SANE_String_Const name, SANE_Handle * handle);
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SANE_Status
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sane_set_io_mode (SANE_Handle h, SANE_Bool non_blocking);
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SANE_Status
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sane_get_select_fd (SANE_Handle h, SANE_Int * fdp);
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const SANE_Option_Descriptor *
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sane_get_option_descriptor (SANE_Handle handle, SANE_Int option);
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SANE_Status
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sane_control_option (SANE_Handle handle, SANE_Int option,
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SANE_Action action, void *val, SANE_Int * info);
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SANE_Status
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sane_start (SANE_Handle handle);
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SANE_Status
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sane_get_parameters (SANE_Handle handle, SANE_Parameters * params);
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SANE_Status
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sane_read (SANE_Handle handle, SANE_Byte * buf,
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SANE_Int max_len, SANE_Int * len);
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void
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sane_cancel (SANE_Handle h);
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void
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sane_close (SANE_Handle h);
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void
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sane_exit (void);
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/* ------------------------------------------------------------------------- */
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static SANE_Status
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attach_scanner (const char *devicename, struct sp15c **devp);
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static SANE_Status
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sense_handler (int scsi_fd, u_char * result, void *arg);
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static int
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request_sense_parse (u_char * sensed_data);
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static SANE_Status
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sp15c_identify_scanner (struct sp15c *s);
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static SANE_Status
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sp15c_do_inquiry (struct sp15c *s);
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static SANE_Status
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do_scsi_cmd (int fd, unsigned char *cmd, int cmd_len, unsigned char *out, size_t out_len);
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static void
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hexdump (int level, char *comment, unsigned char *p, int l);
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static SANE_Status
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init_options (struct sp15c *scanner);
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static int
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sp15c_check_values (struct sp15c *s);
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static int
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sp15c_grab_scanner (struct sp15c *s);
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static int
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sp15c_free_scanner (struct sp15c *s);
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static int
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wait_scanner (struct sp15c *s);
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static int __sane_unused__
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sp15c_object_position (struct sp15c *s);
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static SANE_Status
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do_cancel (struct sp15c *scanner);
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static void
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swap_res (struct sp15c *s);
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static int __sane_unused__
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sp15c_object_discharge (struct sp15c *s);
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static int
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sp15c_set_window_param (struct sp15c *s, int prescan);
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static size_t
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max_string_size (const SANE_String_Const strings[]);
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static int
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sp15c_start_scan (struct sp15c *s);
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static int
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reader_process (void *scanner);
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static SANE_Status
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do_eof (struct sp15c *scanner);
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static int
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pixels_per_line (struct sp15c *s);
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static int
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lines_per_scan (struct sp15c *s);
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static int
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bytes_per_line (struct sp15c *s);
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static void
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sp15c_trim_rowbufsize (struct sp15c *s);
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static int
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sp15c_read_data_block (struct sp15c *s, unsigned int length);
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static SANE_Status
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attach_one (const char *name);
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static void
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adjust_width (struct sp15c *s, SANE_Int * info);
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static SANE_Status
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apply_constraints (struct sp15c *s, SANE_Int opt,
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SANE_Int * target, SANE_Word * info);
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static int
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sp15c_media_check (struct sp15c *s);
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#endif /* SP15C_H */
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