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sane-project-backends/backend/m3096g.h

449 wiersze
11 KiB
C
Czysty Wina Historia

#ifndef M3096G_H
#define M3096G_H
static const char RCSid_h[] = "$Header$";
/* sane - Scanner Access Now Easy.
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 Fujitsu M3096G
flatbed/ADF scanners. It was derived from the COOLSCAN driver.
Written by Randolph Bentson <bentson@holmsjoen.com> */
/* ------------------------------------------------------------------------- */
/*
* $Log$
* Revision 1.4 2001/10/10 21:50:24 hmg
* Update (from Oliver Schirrmeister <oschirr@abm.de>). Added: Support for ipc2/3
* and cmp2 options; support for duplex-scanners m3093DG, m4097DG; constraint checking
* for m3093; support EVPD (virtual product data); support ADF paper size spezification.
* Henning Meier-Geinitz <henning@meier-geinitz.de>
*
* Revision 1.3 2000/08/12 15:09:18 pere
* Merge devel (v1.0.3) into head branch.
*
* Revision 1.1.2.3 2000/03/14 17:47:09 abel
* new version of the Sharp backend added.
*
* Revision 1.1.2.2 2000/01/26 03:51:47 pere
* Updated backends sp15c (v1.12) and m3096g (v1.11).
*
* Revision 1.8 2000/01/25 16:25:34 bentson
* clean-up compiler warnings
*
* Revision 1.7 2000/01/05 05:26:00 bentson
* indent to barfin' GNU style
*
* Revision 1.6 1999/11/24 20:06:58 bentson
* add license verbiage
*
* Revision 1.5 1999/11/23 18:47:43 bentson
* add some constraint checking
*
* Revision 1.4 1999/11/19 17:30:07 bentson
* enhance control of device; remove unused cruft
*
* Revision 1.3 1999/11/18 18:13:36 bentson
* basic grayscale scanning works
*
* Revision 1.2 1999/11/17 00:36:22 bentson
* basic lineart scanning works
*
* Revision 1.1 1999/11/12 05:41:45 bentson
* can move paper, but not yet scan
*
*/
static int num_devices;
static struct m3096g *first_dev;
enum m3096g_Option
{
OPT_NUM_OPTS = 0,
OPT_MODE_GROUP,
OPT_SOURCE,
OPT_MODE,
OPT_TYPE,
OPT_X_RES,
OPT_Y_RES,
OPT_PRESCAN,
OPT_PREVIEW_RES,
OPT_GEOMETRY_GROUP,
OPT_TL_X, /* in mm/2^16 */
OPT_TL_Y, /* in mm/2^16 */
OPT_BR_X, /* in mm/2^16 */
OPT_BR_Y, /* in mm/2^16 */
OPT_ENHANCEMENT_GROUP,
OPT_AVERAGING,
OPT_BRIGHTNESS,
OPT_THRESHOLD,
OPT_CONTRAST,
OPT_RIF,
OPT_COMPRESSION,
OPT_DTC_SELECTION,
OPT_GAMMA,
OPT_OUTLINE_EXTRACTION,
OPT_EMPHASIS,
OPT_AUTOSEP,
OPT_MIRROR_IMAGE,
OPT_VARIANCE_RATE,
OPT_THRESHOLD_CURVE,
OPT_GRADIATION,
OPT_SMOOTHING_MODE,
OPT_FILTERING,
OPT_BACKGROUND,
OPT_NOISE_REMOVAL,
OPT_MATRIX2X2,
OPT_MATRIX3X3,
OPT_MATRIX4X4,
OPT_MATRIX5X5,
OPT_WHITE_LEVEL_FOLLOW,
OPT_DUPLEX,
OPT_PAPER_SIZE,
OPT_PAPER_ORIENTATION,
OPT_PAPER_WIDTH,
OPT_PAPER_HEIGHT,
OPT_START_BUTTON,
OPT_ADVANCED_GROUP,
OPT_PREVIEW,
/* must come last: */
NUM_OPTIONS
};
struct m3096g
{
struct m3096g *next;
SANE_Option_Descriptor opt[NUM_OPTIONS];
SANE_Device sane;
char vendor[9];
char product[17];
char version[5];
char *devicename; /* name of the scanner device */
int sfd; /* output file descriptor, scanner device */
int pipe;
int scanning; /* "in progress" flag */
/* detected features of the scanner */
int autofeeder; /* detected */
int flatbed; /* detected */
int ipc; /* detected (ipc2/3 option) */
int cmp2; /* detected (cmp2 option) */
int is_duplex; /* detected */
int has_hw_status; /* true for M409X series */
int has_outline;
int has_emphasis;
int has_autosep;
int has_mirroring;
int has_white_level_follow;
int has_subwindow;
SANE_Range adf_width_range;
SANE_Range adf_height_range;
SANE_Range x_range;
SANE_Range y_range;
SANE_Range x_res_range; /* ranges are only valid if step != 0 */
SANE_Range y_res_range;
SANE_Range x_grey_res_range;
SANE_Range y_grey_res_range;
int x_res_min; /* minimum and maximum resolution */
int x_res_max; /* are only valid if ?_res_step != 0 */
int x_res_step;
int y_res_min;
int y_res_max;
int y_res_step;
int x_res_min_grey;
int x_res_max_grey;
int x_res_step_grey;
int y_res_min_grey;
int y_res_max_grey;
int y_res_step_grey;
SANE_Int x_res_list[17]; /* range of x and y resolution */
SANE_Int y_res_list[17]; /* if scanner has only fixed resolutions */
SANE_Int x_res_list_grey[17];
SANE_Int y_res_list_grey[17];
/*******************************/
int i_num_frames; /* used for duplex scanning */
int i_transfer_length; /* needed when the scanner returns compressed data */
/* and size of return data is unknown in advance */
int use_adf; /* requested */
int reader_pid; /* child is running */
int prescan; /* ??? */
/***** terms for "set window" command *****/
int x_res; /* resolution in */
int y_res; /* pixels/inch */
int tl_x; /* top left position, */
int tl_y; /* in inch/1200 units */
int br_x; /* bottom right position, */
int br_y; /* in inch/1200 units */
int brightness;
int threshold;
int contrast;
int composition;
int bitsperpixel;
int halftone;
int rif;
int bitorder;
int compress_type;
int compress_arg;
int vendor_id_code;
int gamma;
int outline;
int emphasis;
int auto_sep;
int mirroring;
int var_rate_dyn_thresh;
int dtc_threshold_curve;
int gradiation;
int smoothing_mode;
int filtering;
int background;
int matrix2x2;
int matrix3x3;
int matrix4x4;
int matrix5x5;
int noise_removal;
int white_level_follow;
int subwindow_list;
int paper_size;
int paper_orientation;
int paper_selection;
int paper_width_X;
int paper_length_Y;
int dtc_selection;
int duplex;
/***** end of "set window" terms *****/
/* buffer used for scsi-transfer */
unsigned char *buffer;
unsigned int row_bufsize;
};
/* ------------------------------------------------------------------------- */
#define MM_PER_INCH 25.4
#define length_quant SANE_UNFIX(SANE_FIX(MM_PER_INCH / 1200.0))
#define mmToIlu(mm) ((mm) / length_quant)
#define iluToMm(ilu) ((ilu) * length_quant)
#define M3096G_CONFIG_FILE "m3096g.conf"
/* ------------------------------------------------------------------------- */
static void
m3096g_do_inquiry (struct m3096g *s);
static SANE_Status
m3096g_get_vital_product_data(struct m3096g *s);
static SANE_Status
m3096g_get_hardware_status(struct m3096g *s);
/* ------------------------------------------------------------------------- */
SANE_Status
sane_init (SANE_Int * version_code, SANE_Auth_Callback authorize);
SANE_Status
sane_get_devices (const SANE_Device *** device_list, SANE_Bool local_only);
SANE_Status
sane_open (SANE_String_Const name, SANE_Handle * handle);
SANE_Status
sane_set_io_mode (SANE_Handle h, SANE_Bool non_blocking);
SANE_Status
sane_get_select_fd (SANE_Handle h, SANE_Int * fdp);
const SANE_Option_Descriptor *
sane_get_option_descriptor (SANE_Handle handle, SANE_Int option);
SANE_Status
sane_control_option (SANE_Handle handle, SANE_Int option,
SANE_Action action, void *val, SANE_Int * info);
SANE_Status
sane_start (SANE_Handle handle);
SANE_Status
sane_get_parameters (SANE_Handle handle, SANE_Parameters * params);
SANE_Status
sane_read (SANE_Handle handle, SANE_Byte * buf,
SANE_Int max_len, SANE_Int * len);
void
sane_cancel (SANE_Handle h);
void
sane_close (SANE_Handle h);
void
sane_exit (void);
/* ------------------------------------------------------------------------- */
static SANE_Status
attach_scanner (const char *devicename, struct m3096g **devp);
static SANE_Status
sense_handler (int scsi_fd, u_char * result, void *arg);
static int
request_sense_parse (u_char * sensed_data);
static void
m3096g_set_standard_size(SANE_Handle handle);
#if 0
static void
m3096g_set_binary_res(SANE_Handle handle);
static int
m3096g_valid_x_resolution(SANE_Handle handle);
static int
m3096g_valid_y_resolution(SANE_Handle handle);
#endif
static int
m3096g_identify_scanner (struct m3096g *s);
static void
m3096g_do_inquiry (struct m3096g *s);
static SANE_Status
do_scsi_cmd (int fd, char *cmd, int cmd_len, char *out, size_t out_len);
static void
hexdump (int level, char *comment, unsigned char *p, int l);
static SANE_Status
init_options (struct m3096g *scanner);
static int
m3096g_check_values (struct m3096g *s);
static int
m3096g_grab_scanner (struct m3096g *s);
static int
m3096g_free_scanner (struct m3096g *s);
static int
wait_scanner (struct m3096g *s);
static int
m3096g_object_position (struct m3096g *s);
static SANE_Status
do_cancel (struct m3096g *scanner);
static void
swap_res (struct m3096g *s);
static int
m3096g_object_discharge (struct m3096g *s);
static int
m3096g_set_window_param (struct m3096g *s, int prescan);
static size_t
max_string_size (const SANE_String_Const strings[]);
static int
m3096g_start_scan (struct m3096g *s);
static int
reader_process (struct m3096g *scanner, int pipe_fd, int i_window_id);
static SANE_Status
do_eof (struct m3096g *scanner);
static int
pixels_per_line (struct m3096g *s);
static int
lines_per_scan (struct m3096g *s);
static int
bytes_per_line (struct m3096g *s);
static void
m3096g_trim_rowbufsize (struct m3096g *s);
static SANE_Status
m3096g_read_pixel_size (struct m3096g *s, unsigned int length, int i_window_id);
static SANE_Status
m3096g_read_data_block (struct m3096g *s, unsigned int length, int i_window_id);
static SANE_Status
attach_one (const char *name);
static int
m3096g_valid_number (int value, const int *acceptable);
#endif /* M3096G_H */
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