kopia lustrzana https://gitlab.com/sane-project/backends
2022 wiersze
49 KiB
C
2022 wiersze
49 KiB
C
/* sane - Scanner Access Now Easy.
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Copyright (C) 2002 Frank Zago (fzago@greshamstorage.com)
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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, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston,
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MA 02111-1307, USA.
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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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*/
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/*
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$Id$
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Across FS-1130
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*/
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/*--------------------------------------------------------------------------*/
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#define BUILD 3 /* 2002/04/21 */
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#define BACKEND_NAME leo
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#define LEO_CONFIG_FILE "leo.conf"
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/*--------------------------------------------------------------------------*/
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#include "../include/sane/config.h"
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#include <errno.h>
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#include <fcntl.h>
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#include <limits.h>
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#include <signal.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/types.h>
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#include <sys/wait.h>
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#include <unistd.h>
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#include "../include/sane/sane.h"
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#include "../include/sane/sanei.h"
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#include "../include/sane/saneopts.h"
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#include "../include/sane/sanei_scsi.h"
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#include "../include/sane/sanei_debug.h"
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#include "../include/sane/sanei_backend.h"
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#include "../include/sane/sanei_config.h"
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#include "../include/lassert.h"
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#include "leo.h"
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/*--------------------------------------------------------------------------*/
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/* Lists of possible scan modes. */
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static SANE_String_Const scan_mode_list[] = {
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BLACK_WHITE_STR,
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GRAY_STR,
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COLOR_STR,
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NULL
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};
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/*--------------------------------------------------------------------------*/
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/* Minimum and maximum width and length supported. */
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static SANE_Range x_range = { SANE_FIX (0), SANE_FIX (8.5 * MM_PER_INCH), 0 };
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static SANE_Range y_range =
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{ SANE_FIX (0), SANE_FIX (11.5 * MM_PER_INCH), 0 };
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/*--------------------------------------------------------------------------*/
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static const SANE_Range gamma_range = {
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0, /* minimum */
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255, /* maximum */
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0 /* quantization */
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};
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/*--------------------------------------------------------------------------*/
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static SANE_String_Const halftone_pattern_list[] = {
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SANE_I18N ("None"),
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SANE_I18N ("Diamond"),
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SANE_I18N ("8x8 Coarse Fatting"),
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SANE_I18N ("8x8 Fine Fatting"),
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SANE_I18N ("8x8 Bayer"),
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SANE_I18N ("8x8 Vertical Line"),
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NULL
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};
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static const halftone_pattern_t *const halftone_pattern_val[] = {
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NULL,
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&haltfone_pattern_diamond,
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&haltfone_pattern_8x8_Coarse_Fatting,
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&haltfone_pattern_8x8_Fine_Fatting,
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&haltfone_pattern_8x8_Bayer,
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&haltfone_pattern_8x8_Vertical_Line
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};
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/*--------------------------------------------------------------------------*/
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/* Define the supported scanners and their characteristics. */
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static const struct scanners_supported scanners[] = {
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{6, "ACROSS ", " ",
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"Across", "FS-1130"}
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};
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/*--------------------------------------------------------------------------*/
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/* List of scanner attached. */
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static Leo_Scanner *first_dev = NULL;
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static int num_devices = 0;
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static const SANE_Device **devlist = NULL;
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/* Local functions. */
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/* Display a buffer in the log. */
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static void
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hexdump (int level, char *comment, unsigned char *p, int l)
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{
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int i;
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char line[128];
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char *ptr;
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char asc_buf[17];
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char *asc_ptr;
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DBG (level, "%s\n", comment);
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ptr = line;
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*ptr = '\0';
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asc_ptr = asc_buf;
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*asc_ptr = '\0';
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for (i = 0; i < l; i++, p++)
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{
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if ((i % 16) == 0)
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{
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if (ptr != line)
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{
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DBG (level, "%s %s\n", line, asc_buf);
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ptr = line;
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*ptr = '\0';
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asc_ptr = asc_buf;
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*asc_ptr = '\0';
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}
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sprintf (ptr, "%3.3d:", i);
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ptr += 4;
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}
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ptr += sprintf (ptr, " %2.2x", *p);
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if (*p >= 32 && *p <= 127)
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{
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asc_ptr += sprintf (asc_ptr, "%c", *p);
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}
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else
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{
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asc_ptr += sprintf (asc_ptr, ".");
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}
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}
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*ptr = '\0';
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DBG (level, "%s %s\n", line, asc_buf);
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}
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/* Returns the length of the longest string, including the terminating
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* character. */
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static size_t
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max_string_size (SANE_String_Const strings[])
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{
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size_t size, max_size = 0;
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int i;
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for (i = 0; strings[i]; ++i)
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{
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size = strlen (strings[i]) + 1;
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if (size > max_size)
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{
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max_size = size;
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}
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}
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return max_size;
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}
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/* Lookup a string list from one array and return its index. */
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static int
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get_string_list_index (SANE_String_Const list[], SANE_String_Const name)
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{
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int index;
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index = 0;
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while (list[index] != NULL)
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{
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if (strcmp (list[index], name) == 0)
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{
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return (index);
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}
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index++;
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}
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DBG (DBG_error, "name %s not found in list\n", name);
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assert (0 == 1); /* bug in backend, core dump */
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return (-1);
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}
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/* Initialize a scanner entry. Return an allocated scanner with some
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* preset values. */
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static Leo_Scanner *
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leo_init (void)
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{
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Leo_Scanner *dev;
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DBG (DBG_proc, "leo_init: enter\n");
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/* Allocate a new scanner entry. */
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dev = malloc (sizeof (Leo_Scanner));
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if (dev == NULL)
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{
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return NULL;
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}
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memset (dev, 0, sizeof (Leo_Scanner));
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/* Allocate the buffer used to transfer the SCSI data. */
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dev->buffer_size = 64 * 1024;
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dev->buffer = malloc (dev->buffer_size);
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if (dev->buffer == NULL)
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{
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free (dev);
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return NULL;
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}
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/* Allocate a buffer to store the temporary image. */
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dev->image_size = 64 * 1024; /* enough for 1 line at max res */
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dev->image = malloc (dev->image_size);
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if (dev->image == NULL)
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{
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free (dev->buffer);
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free (dev);
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return NULL;
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}
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dev->sfd = -1;
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DBG (DBG_proc, "leo_init: exit\n");
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return (dev);
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}
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/* Closes an open scanner. */
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static void
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leo_close (Leo_Scanner * dev)
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{
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DBG (DBG_proc, "leo_close: enter\n");
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if (dev->sfd != -1)
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{
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sanei_scsi_close (dev->sfd);
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dev->sfd = -1;
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}
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DBG (DBG_proc, "leo_close: exit\n");
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}
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/* Frees the memory used by a scanner. */
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static void
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leo_free (Leo_Scanner * dev)
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{
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int i;
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DBG (DBG_proc, "leo_free: enter\n");
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if (dev == NULL)
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return;
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leo_close (dev);
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if (dev->devicename)
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{
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free (dev->devicename);
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}
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if (dev->buffer)
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{
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free (dev->buffer);
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}
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if (dev->image)
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{
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free (dev->image);
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}
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for (i = 1; i < OPT_NUM_OPTIONS; i++)
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{
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if (dev->opt[i].type == SANE_TYPE_STRING && dev->val[i].s)
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{
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free (dev->val[i].s);
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}
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}
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free (dev);
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DBG (DBG_proc, "leo_free: exit\n");
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}
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/* Inquiry a device and returns TRUE if is supported. */
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static int
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leo_identify_scanner (Leo_Scanner * dev)
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{
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CDB cdb;
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SANE_Status status;
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size_t size;
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int i;
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DBG (DBG_proc, "leo_identify_scanner: enter\n");
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size = 5;
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MKSCSI_INQUIRY (cdb, size);
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status = sanei_scsi_cmd2 (dev->sfd, cdb.data, cdb.len,
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NULL, 0, dev->buffer, &size);
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if (status)
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{
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DBG (DBG_error,
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"leo_identify_scanner: inquiry failed with status %s\n",
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sane_strstatus (status));
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return (SANE_FALSE);
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}
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size = dev->buffer[4] + 5; /* total length of the inquiry data */
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if (size < 36)
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{
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DBG (DBG_error,
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"leo_identify_scanner: not enough data to identify device\n");
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return (SANE_FALSE);
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}
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MKSCSI_INQUIRY (cdb, size);
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status = sanei_scsi_cmd2 (dev->sfd, cdb.data, cdb.len,
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NULL, 0, dev->buffer, &size);
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if (status)
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{
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DBG (DBG_error,
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"leo_identify_scanner: inquiry failed with status %s\n",
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sane_strstatus (status));
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return (SANE_FALSE);
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}
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dev->scsi_type = dev->buffer[0] & 0x1f;
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strncpy (dev->scsi_vendor, dev->buffer + 0x08, 0x08);
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dev->scsi_vendor[0x08] = 0;
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strncpy (dev->scsi_product, dev->buffer + 0x10, 0x010);
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dev->scsi_product[0x10] = 0;
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strncpy (dev->scsi_version, dev->buffer + 0x20, 0x04);
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dev->scsi_version[0x04] = 0;
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DBG (DBG_info, "device is \"%s\" \"%s\" \"%s\"\n",
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dev->scsi_vendor, dev->scsi_product, dev->scsi_version);
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/* Lookup through the supported scanners table to find if this
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* backend supports that one. */
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for (i = 0; i < NELEMS (scanners); i++)
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{
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if (dev->scsi_type == scanners[i].scsi_type &&
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strcmp (dev->scsi_vendor, scanners[i].scsi_vendor) == 0 &&
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strcmp (dev->scsi_product, scanners[i].scsi_product) == 0)
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{
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DBG (DBG_error, "leo_identify_scanner: scanner supported\n");
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/* Get the full inquiry, since that scanner does not fill
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the length correctly. */
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size = 0x30;
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MKSCSI_INQUIRY (cdb, size);
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status = sanei_scsi_cmd2 (dev->sfd, cdb.data, cdb.len,
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NULL, 0, dev->buffer, &size);
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if (status != SANE_STATUS_GOOD)
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{
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return (SANE_FALSE);
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}
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hexdump (DBG_info2, "inquiry", dev->buffer, size);
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dev->def = &(scanners[i]);
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dev->res_range.min = 1;
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dev->res_range.max = B16TOI (&dev->buffer[42]);
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dev->x_resolution_max = B16TOI (&dev->buffer[40]);
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dev->y_resolution_max = B16TOI (&dev->buffer[42]);
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return (SANE_TRUE);
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}
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}
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DBG (DBG_proc, "leo_identify_scanner: exit, device not supported\n");
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return (SANE_FALSE);
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}
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/* SCSI sense handler. Callback for SANE. */
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static SANE_Status
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leo_sense_handler (int scsi_fd, unsigned char *result, void *arg)
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{
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int asc, ascq, sensekey;
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int len;
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DBG (DBG_proc, "leo_sense_handler (scsi_fd = %d)\n", scsi_fd);
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arg = arg; /* silence gcc */
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sensekey = get_RS_sense_key (result);
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len = 7 + get_RS_additional_length (result);
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hexdump (DBG_info2, "sense", result, len);
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if (get_RS_error_code (result) != 0x70)
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{
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DBG (DBG_error,
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"leo_sense_handler: invalid sense key error code (%d)\n",
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get_RS_error_code (result));
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return SANE_STATUS_IO_ERROR;
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}
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if (get_RS_ILI (result) != 0)
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{
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DBG (DBG_sense, "leo_sense_handler: short read\n");
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}
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if (len < 14)
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{
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DBG (DBG_error, "leo_sense_handler: sense too short, no ASC/ASCQ\n");
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return SANE_STATUS_IO_ERROR;
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}
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asc = get_RS_ASC (result);
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ascq = get_RS_ASCQ (result);
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DBG (DBG_sense, "leo_sense_handler: sense=%d, ASC/ASCQ=%02x%02x\n",
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sensekey, asc, ascq);
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switch (sensekey)
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{
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case 0x00: /* no sense */
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case 0x02: /* not ready */
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case 0x03: /* medium error */
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case 0x05:
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case 0x06:
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break;
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}
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DBG (DBG_sense,
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"leo_sense_handler: unknown error condition. Please report it to the backend maintainer\n");
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return SANE_STATUS_IO_ERROR;
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}
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/* Set a window. */
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static SANE_Status
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leo_set_window (Leo_Scanner * dev)
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{
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size_t size;
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CDB cdb;
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unsigned char window[48];
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SANE_Status status;
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DBG (DBG_proc, "leo_set_window: enter\n");
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size = sizeof (window);
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MKSCSI_SET_WINDOW (cdb, size);
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memset (window, 0, size);
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/* size of the windows descriptor block */
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window[7] = sizeof (window) - 8;
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window[1] = sizeof (window) - 2;
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/* X and Y resolution */
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Ito16 (dev->x_resolution, &window[10]);
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Ito16 (dev->y_resolution, &window[12]);
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/* Upper Left (X,Y) */
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Ito32 (dev->x_tl, &window[14]);
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Ito32 (dev->y_tl, &window[18]);
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/* Width and length */
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Ito32 (dev->width, &window[22]);
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Ito32 (dev->length, &window[26]);
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/* Image Composition */
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switch (dev->scan_mode)
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{
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case LEO_BW:
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window[33] = 0x00;
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break;
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case LEO_HALFTONE:
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window[33] = 0x01;
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break;
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case LEO_GRAYSCALE:
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window[33] = 0x02;
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break;
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case LEO_COLOR:
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window[33] = 0x05;
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break;
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}
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/* Depth */
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window[34] = dev->depth;
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/* Unknown - invariants */
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window[31] = 0x80;
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window[43] = 0x01;
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hexdump (DBG_info2, "windows", window, sizeof (window));
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status = sanei_scsi_cmd2 (dev->sfd, cdb.data, cdb.len,
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window, sizeof (window), NULL, NULL);
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DBG (DBG_proc, "leo_set_window: exit, status=%d\n", status);
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return status;
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}
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/* Read the size of the scan. */
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static SANE_Status
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leo_get_scan_size (Leo_Scanner * dev)
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{
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size_t size;
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CDB cdb;
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SANE_Status status;
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|
|
DBG (DBG_proc, "leo_get_scan_size: enter\n");
|
|
|
|
size = 0x10;
|
|
MKSCSI_GET_DATA_BUFFER_STATUS (cdb, 1, size);
|
|
hexdump (DBG_info2, "CDB:", cdb.data, cdb.len);
|
|
status = sanei_scsi_cmd2 (dev->sfd, cdb.data, cdb.len,
|
|
NULL, 0, dev->buffer, &size);
|
|
|
|
if (size != 0x10)
|
|
{
|
|
DBG (DBG_error,
|
|
"leo_get_scan_size: GET DATA BUFFER STATUS returned an invalid size (%d)\n",
|
|
size);
|
|
return SANE_STATUS_IO_ERROR;
|
|
}
|
|
|
|
hexdump (DBG_info2, "leo_get_scan_size return", dev->buffer, size);
|
|
|
|
|
|
dev->params.pixels_per_line = B16TOI (&dev->buffer[14]);
|
|
|
|
/* The number of lines if the number of lines left plus the number
|
|
* of lines already waiting in the buffer. */
|
|
dev->params.lines = B16TOI (&dev->buffer[12]) +
|
|
(B24TOI (&dev->buffer[9]) / dev->params.bytes_per_line);
|
|
|
|
switch (dev->scan_mode)
|
|
{
|
|
case LEO_BW:
|
|
case LEO_HALFTONE:
|
|
dev->params.pixels_per_line &= ~0x7;
|
|
dev->params.bytes_per_line = dev->params.pixels_per_line / 8;
|
|
break;
|
|
case LEO_GRAYSCALE:
|
|
dev->params.bytes_per_line = dev->params.pixels_per_line;
|
|
break;
|
|
case LEO_COLOR:
|
|
dev->params.bytes_per_line = dev->params.pixels_per_line * 3;
|
|
break;
|
|
}
|
|
|
|
DBG (DBG_proc, "leo_get_scan_size: exit, status=%d\n", status);
|
|
|
|
DBG (DBG_proc, "lines=%d, bpl=%d\n", dev->params.lines,
|
|
dev->params.bytes_per_line);
|
|
|
|
return (status);
|
|
}
|
|
|
|
/* Return the number of byte that can be read. */
|
|
static SANE_Status
|
|
get_filled_data_length (Leo_Scanner * dev, size_t * to_read)
|
|
{
|
|
size_t size;
|
|
CDB cdb;
|
|
SANE_Status status;
|
|
|
|
DBG (DBG_proc, "get_filled_data_length: enter\n");
|
|
|
|
*to_read = 0;
|
|
|
|
size = 0x10;
|
|
MKSCSI_GET_DATA_BUFFER_STATUS (cdb, 1, size);
|
|
status = sanei_scsi_cmd2 (dev->sfd, cdb.data, cdb.len,
|
|
NULL, 0, dev->buffer, &size);
|
|
|
|
if (size != 0x10)
|
|
{
|
|
DBG (DBG_error,
|
|
"get_filled_data_length: GET DATA BUFFER STATUS returned an invalid size (%d)\n",
|
|
size);
|
|
return SANE_STATUS_IO_ERROR;
|
|
}
|
|
|
|
hexdump (DBG_info2, "get_filled_data_length return", dev->buffer, size);
|
|
|
|
*to_read = B24TOI (&dev->buffer[9]);
|
|
|
|
DBG (DBG_info, "get_filled_data_length: to read = %ld\n", (long) *to_read);
|
|
|
|
DBG (DBG_proc, "get_filled_data_length: exit, status=%d\n", status);
|
|
|
|
return (status);
|
|
}
|
|
|
|
/* Start a scan. */
|
|
static SANE_Status
|
|
leo_scan (Leo_Scanner * dev)
|
|
{
|
|
CDB cdb;
|
|
SANE_Status status;
|
|
|
|
DBG (DBG_proc, "leo_scan: enter\n");
|
|
|
|
MKSCSI_SCAN (cdb);
|
|
|
|
status = sanei_scsi_cmd2 (dev->sfd, cdb.data, cdb.len, NULL, 0, NULL, NULL);
|
|
|
|
DBG (DBG_proc, "leo_scan: exit, status=%d\n", status);
|
|
|
|
return status;
|
|
}
|
|
|
|
/* Attach a scanner to this backend. */
|
|
static SANE_Status
|
|
attach_scanner (const char *devicename, Leo_Scanner ** devp)
|
|
{
|
|
Leo_Scanner *dev;
|
|
int sfd;
|
|
|
|
DBG (DBG_sane_proc, "attach_scanner: %s\n", devicename);
|
|
|
|
if (devp)
|
|
*devp = NULL;
|
|
|
|
/* Check if we know this device name. */
|
|
for (dev = first_dev; dev; dev = dev->next)
|
|
{
|
|
if (strcmp (dev->sane.name, devicename) == 0)
|
|
{
|
|
if (devp)
|
|
{
|
|
*devp = dev;
|
|
}
|
|
DBG (DBG_info, "device is already known\n");
|
|
return SANE_STATUS_GOOD;
|
|
}
|
|
}
|
|
|
|
/* Allocate a new scanner entry. */
|
|
dev = leo_init ();
|
|
if (dev == NULL)
|
|
{
|
|
DBG (DBG_error, "ERROR: not enough memory\n");
|
|
return SANE_STATUS_NO_MEM;
|
|
}
|
|
|
|
DBG (DBG_info, "attach_scanner: opening %s\n", devicename);
|
|
|
|
if (sanei_scsi_open (devicename, &sfd, leo_sense_handler, dev) != 0)
|
|
{
|
|
DBG (DBG_error, "ERROR: attach_scanner: open failed\n");
|
|
leo_free (dev);
|
|
return SANE_STATUS_INVAL;
|
|
}
|
|
|
|
/* Fill some scanner specific values. */
|
|
dev->devicename = strdup (devicename);
|
|
dev->sfd = sfd;
|
|
|
|
/* Now, check that it is a scanner we support. */
|
|
if (leo_identify_scanner (dev) == SANE_FALSE)
|
|
{
|
|
DBG (DBG_error,
|
|
"ERROR: attach_scanner: scanner-identification failed\n");
|
|
leo_free (dev);
|
|
return SANE_STATUS_INVAL;
|
|
}
|
|
|
|
leo_close (dev);
|
|
|
|
/* Set the default options for that scanner. */
|
|
dev->sane.name = dev->devicename;
|
|
dev->sane.vendor = dev->def->real_vendor;
|
|
dev->sane.model = dev->def->real_product;
|
|
dev->sane.type = "flatbed scanner";
|
|
|
|
/* Link the scanner with the others. */
|
|
dev->next = first_dev;
|
|
first_dev = dev;
|
|
|
|
if (devp)
|
|
{
|
|
*devp = dev;
|
|
}
|
|
|
|
num_devices++;
|
|
|
|
DBG (DBG_proc, "attach_scanner: exit\n");
|
|
|
|
return SANE_STATUS_GOOD;
|
|
}
|
|
|
|
static SANE_Status
|
|
attach_one (const char *dev)
|
|
{
|
|
attach_scanner (dev, NULL);
|
|
return SANE_STATUS_GOOD;
|
|
}
|
|
|
|
/* Reset the options for that scanner. */
|
|
static void
|
|
leo_init_options (Leo_Scanner * dev)
|
|
{
|
|
int i;
|
|
|
|
/* Pre-initialize the options. */
|
|
memset (dev->opt, 0, sizeof (dev->opt));
|
|
memset (dev->val, 0, sizeof (dev->val));
|
|
|
|
for (i = 0; i < OPT_NUM_OPTIONS; ++i)
|
|
{
|
|
dev->opt[i].size = sizeof (SANE_Word);
|
|
dev->opt[i].cap = SANE_CAP_SOFT_SELECT | SANE_CAP_SOFT_DETECT;
|
|
}
|
|
|
|
/* Number of options. */
|
|
dev->opt[OPT_NUM_OPTS].name = "";
|
|
dev->opt[OPT_NUM_OPTS].title = SANE_TITLE_NUM_OPTIONS;
|
|
dev->opt[OPT_NUM_OPTS].desc = SANE_DESC_NUM_OPTIONS;
|
|
dev->opt[OPT_NUM_OPTS].type = SANE_TYPE_INT;
|
|
dev->opt[OPT_NUM_OPTS].cap = SANE_CAP_SOFT_DETECT;
|
|
dev->val[OPT_NUM_OPTS].w = OPT_NUM_OPTIONS;
|
|
|
|
/* Mode group */
|
|
dev->opt[OPT_MODE_GROUP].title = SANE_I18N ("Scan mode");
|
|
dev->opt[OPT_MODE_GROUP].desc = ""; /* not valid for a group */
|
|
dev->opt[OPT_MODE_GROUP].type = SANE_TYPE_GROUP;
|
|
dev->opt[OPT_MODE_GROUP].cap = 0;
|
|
dev->opt[OPT_MODE_GROUP].size = 0;
|
|
dev->opt[OPT_MODE_GROUP].constraint_type = SANE_CONSTRAINT_NONE;
|
|
|
|
/* Scanner supported modes */
|
|
dev->opt[OPT_MODE].name = SANE_NAME_SCAN_MODE;
|
|
dev->opt[OPT_MODE].title = SANE_TITLE_SCAN_MODE;
|
|
dev->opt[OPT_MODE].desc = SANE_DESC_SCAN_MODE;
|
|
dev->opt[OPT_MODE].type = SANE_TYPE_STRING;
|
|
dev->opt[OPT_MODE].size = max_string_size (scan_mode_list);
|
|
dev->opt[OPT_MODE].constraint_type = SANE_CONSTRAINT_STRING_LIST;
|
|
dev->opt[OPT_MODE].constraint.string_list = scan_mode_list;
|
|
dev->val[OPT_MODE].s = (SANE_Char *) strdup (""); /* will be set later */
|
|
|
|
/* X and Y resolution */
|
|
dev->opt[OPT_RESOLUTION].name = SANE_NAME_SCAN_RESOLUTION;
|
|
dev->opt[OPT_RESOLUTION].title = SANE_TITLE_SCAN_RESOLUTION;
|
|
dev->opt[OPT_RESOLUTION].desc = SANE_DESC_SCAN_RESOLUTION;
|
|
dev->opt[OPT_RESOLUTION].type = SANE_TYPE_INT;
|
|
dev->opt[OPT_RESOLUTION].unit = SANE_UNIT_DPI;
|
|
dev->opt[OPT_RESOLUTION].constraint_type = SANE_CONSTRAINT_RANGE;
|
|
dev->opt[OPT_RESOLUTION].constraint.range = &dev->res_range;
|
|
dev->val[OPT_RESOLUTION].w = dev->res_range.max / 2;
|
|
|
|
/* Halftone pattern */
|
|
dev->opt[OPT_HALFTONE_PATTERN].name = SANE_NAME_HALFTONE_PATTERN;
|
|
dev->opt[OPT_HALFTONE_PATTERN].title = SANE_TITLE_HALFTONE_PATTERN;
|
|
dev->opt[OPT_HALFTONE_PATTERN].desc = SANE_DESC_HALFTONE_PATTERN;
|
|
dev->opt[OPT_HALFTONE_PATTERN].type = SANE_TYPE_STRING;
|
|
dev->opt[OPT_HALFTONE_PATTERN].size =
|
|
max_string_size (halftone_pattern_list);
|
|
dev->opt[OPT_HALFTONE_PATTERN].cap |= SANE_CAP_INACTIVE;
|
|
dev->opt[OPT_HALFTONE_PATTERN].constraint_type =
|
|
SANE_CONSTRAINT_STRING_LIST;
|
|
dev->opt[OPT_HALFTONE_PATTERN].constraint.string_list =
|
|
halftone_pattern_list;
|
|
dev->val[OPT_HALFTONE_PATTERN].s = strdup (halftone_pattern_list[0]);
|
|
|
|
/* Geometry group */
|
|
dev->opt[OPT_GEOMETRY_GROUP].title = SANE_I18N ("Geometry");
|
|
dev->opt[OPT_GEOMETRY_GROUP].desc = ""; /* not valid for a group */
|
|
dev->opt[OPT_GEOMETRY_GROUP].type = SANE_TYPE_GROUP;
|
|
dev->opt[OPT_GEOMETRY_GROUP].cap = 0;
|
|
dev->opt[OPT_GEOMETRY_GROUP].size = 0;
|
|
dev->opt[OPT_GEOMETRY_GROUP].constraint_type = SANE_CONSTRAINT_NONE;
|
|
|
|
/* Upper left X */
|
|
dev->opt[OPT_TL_X].name = SANE_NAME_SCAN_TL_X;
|
|
dev->opt[OPT_TL_X].title = SANE_TITLE_SCAN_TL_X;
|
|
dev->opt[OPT_TL_X].desc = SANE_DESC_SCAN_TL_X;
|
|
dev->opt[OPT_TL_X].type = SANE_TYPE_FIXED;
|
|
dev->opt[OPT_TL_X].unit = SANE_UNIT_MM;
|
|
dev->opt[OPT_TL_X].constraint_type = SANE_CONSTRAINT_RANGE;
|
|
dev->opt[OPT_TL_X].constraint.range = &x_range;
|
|
dev->val[OPT_TL_X].w = x_range.min;
|
|
|
|
/* Upper left Y */
|
|
dev->opt[OPT_TL_Y].name = SANE_NAME_SCAN_TL_Y;
|
|
dev->opt[OPT_TL_Y].title = SANE_TITLE_SCAN_TL_Y;
|
|
dev->opt[OPT_TL_Y].desc = SANE_DESC_SCAN_TL_Y;
|
|
dev->opt[OPT_TL_Y].type = SANE_TYPE_FIXED;
|
|
dev->opt[OPT_TL_Y].unit = SANE_UNIT_MM;
|
|
dev->opt[OPT_TL_Y].constraint_type = SANE_CONSTRAINT_RANGE;
|
|
dev->opt[OPT_TL_Y].constraint.range = &y_range;
|
|
dev->val[OPT_TL_Y].w = y_range.min;
|
|
|
|
/* Bottom-right x */
|
|
dev->opt[OPT_BR_X].name = SANE_NAME_SCAN_BR_X;
|
|
dev->opt[OPT_BR_X].title = SANE_TITLE_SCAN_BR_X;
|
|
dev->opt[OPT_BR_X].desc = SANE_DESC_SCAN_BR_X;
|
|
dev->opt[OPT_BR_X].type = SANE_TYPE_FIXED;
|
|
dev->opt[OPT_BR_X].unit = SANE_UNIT_MM;
|
|
dev->opt[OPT_BR_X].constraint_type = SANE_CONSTRAINT_RANGE;
|
|
dev->opt[OPT_BR_X].constraint.range = &x_range;
|
|
dev->val[OPT_BR_X].w = x_range.max;
|
|
|
|
/* Bottom-right y */
|
|
dev->opt[OPT_BR_Y].name = SANE_NAME_SCAN_BR_Y;
|
|
dev->opt[OPT_BR_Y].title = SANE_TITLE_SCAN_BR_Y;
|
|
dev->opt[OPT_BR_Y].desc = SANE_DESC_SCAN_BR_Y;
|
|
dev->opt[OPT_BR_Y].type = SANE_TYPE_FIXED;
|
|
dev->opt[OPT_BR_Y].unit = SANE_UNIT_MM;
|
|
dev->opt[OPT_BR_Y].constraint_type = SANE_CONSTRAINT_RANGE;
|
|
dev->opt[OPT_BR_Y].constraint.range = &y_range;
|
|
dev->val[OPT_BR_Y].w = y_range.max;
|
|
|
|
/* Enhancement group */
|
|
dev->opt[OPT_ENHANCEMENT_GROUP].title = SANE_I18N ("Enhancement");
|
|
dev->opt[OPT_ENHANCEMENT_GROUP].desc = ""; /* not valid for a group */
|
|
dev->opt[OPT_ENHANCEMENT_GROUP].type = SANE_TYPE_GROUP;
|
|
dev->opt[OPT_ENHANCEMENT_GROUP].cap = SANE_CAP_ADVANCED;
|
|
dev->opt[OPT_ENHANCEMENT_GROUP].size = 0;
|
|
dev->opt[OPT_ENHANCEMENT_GROUP].constraint_type = SANE_CONSTRAINT_NONE;
|
|
|
|
/* custom-gamma table */
|
|
dev->opt[OPT_CUSTOM_GAMMA].name = SANE_NAME_CUSTOM_GAMMA;
|
|
dev->opt[OPT_CUSTOM_GAMMA].title = SANE_TITLE_CUSTOM_GAMMA;
|
|
dev->opt[OPT_CUSTOM_GAMMA].desc = SANE_DESC_CUSTOM_GAMMA;
|
|
dev->opt[OPT_CUSTOM_GAMMA].type = SANE_TYPE_BOOL;
|
|
dev->opt[OPT_CUSTOM_GAMMA].cap |= SANE_CAP_INACTIVE;
|
|
dev->val[OPT_CUSTOM_GAMMA].w = SANE_FALSE;
|
|
|
|
/* red gamma vector */
|
|
dev->opt[OPT_GAMMA_VECTOR_R].name = SANE_NAME_GAMMA_VECTOR_R;
|
|
dev->opt[OPT_GAMMA_VECTOR_R].title = SANE_TITLE_GAMMA_VECTOR_R;
|
|
dev->opt[OPT_GAMMA_VECTOR_R].desc = SANE_DESC_GAMMA_VECTOR_R;
|
|
dev->opt[OPT_GAMMA_VECTOR_R].type = SANE_TYPE_INT;
|
|
dev->opt[OPT_GAMMA_VECTOR_R].cap |= SANE_CAP_INACTIVE;
|
|
dev->opt[OPT_GAMMA_VECTOR_R].unit = SANE_UNIT_NONE;
|
|
dev->opt[OPT_GAMMA_VECTOR_R].size = GAMMA_LENGTH * sizeof (SANE_Word);
|
|
dev->opt[OPT_GAMMA_VECTOR_R].constraint_type = SANE_CONSTRAINT_RANGE;
|
|
dev->opt[OPT_GAMMA_VECTOR_R].constraint.range = &gamma_range;
|
|
dev->val[OPT_GAMMA_VECTOR_R].wa = dev->gamma_R;
|
|
|
|
/* green gamma vector */
|
|
dev->opt[OPT_GAMMA_VECTOR_G].name = SANE_NAME_GAMMA_VECTOR_G;
|
|
dev->opt[OPT_GAMMA_VECTOR_G].title = SANE_TITLE_GAMMA_VECTOR_G;
|
|
dev->opt[OPT_GAMMA_VECTOR_G].desc = SANE_DESC_GAMMA_VECTOR_G;
|
|
dev->opt[OPT_GAMMA_VECTOR_G].type = SANE_TYPE_INT;
|
|
dev->opt[OPT_GAMMA_VECTOR_G].cap |= SANE_CAP_INACTIVE;
|
|
dev->opt[OPT_GAMMA_VECTOR_G].unit = SANE_UNIT_NONE;
|
|
dev->opt[OPT_GAMMA_VECTOR_G].size = GAMMA_LENGTH * sizeof (SANE_Word);
|
|
dev->opt[OPT_GAMMA_VECTOR_G].constraint_type = SANE_CONSTRAINT_RANGE;
|
|
dev->opt[OPT_GAMMA_VECTOR_G].constraint.range = &gamma_range;
|
|
dev->val[OPT_GAMMA_VECTOR_G].wa = dev->gamma_G;
|
|
|
|
/* blue gamma vector */
|
|
dev->opt[OPT_GAMMA_VECTOR_B].name = SANE_NAME_GAMMA_VECTOR_B;
|
|
dev->opt[OPT_GAMMA_VECTOR_B].title = SANE_TITLE_GAMMA_VECTOR_B;
|
|
dev->opt[OPT_GAMMA_VECTOR_B].desc = SANE_DESC_GAMMA_VECTOR_B;
|
|
dev->opt[OPT_GAMMA_VECTOR_B].type = SANE_TYPE_INT;
|
|
dev->opt[OPT_GAMMA_VECTOR_B].cap |= SANE_CAP_INACTIVE;
|
|
dev->opt[OPT_GAMMA_VECTOR_B].unit = SANE_UNIT_NONE;
|
|
dev->opt[OPT_GAMMA_VECTOR_B].size = GAMMA_LENGTH * sizeof (SANE_Word);
|
|
dev->opt[OPT_GAMMA_VECTOR_B].constraint_type = SANE_CONSTRAINT_RANGE;
|
|
dev->opt[OPT_GAMMA_VECTOR_B].constraint.range = &gamma_range;
|
|
dev->val[OPT_GAMMA_VECTOR_B].wa = dev->gamma_B;
|
|
|
|
/* grayscale gamma vector */
|
|
dev->opt[OPT_GAMMA_VECTOR_GRAY].name = SANE_NAME_GAMMA_VECTOR;
|
|
dev->opt[OPT_GAMMA_VECTOR_GRAY].title = SANE_TITLE_GAMMA_VECTOR;
|
|
dev->opt[OPT_GAMMA_VECTOR_GRAY].desc = SANE_DESC_GAMMA_VECTOR;
|
|
dev->opt[OPT_GAMMA_VECTOR_GRAY].type = SANE_TYPE_INT;
|
|
dev->opt[OPT_GAMMA_VECTOR_GRAY].cap |= SANE_CAP_INACTIVE;
|
|
dev->opt[OPT_GAMMA_VECTOR_GRAY].unit = SANE_UNIT_NONE;
|
|
dev->opt[OPT_GAMMA_VECTOR_GRAY].size = GAMMA_LENGTH * sizeof (SANE_Word);
|
|
dev->opt[OPT_GAMMA_VECTOR_GRAY].constraint_type = SANE_CONSTRAINT_RANGE;
|
|
dev->opt[OPT_GAMMA_VECTOR_GRAY].constraint.range = &gamma_range;
|
|
dev->val[OPT_GAMMA_VECTOR_GRAY].wa = dev->gamma_GRAY;
|
|
|
|
/* preview */
|
|
dev->opt[OPT_PREVIEW].name = SANE_NAME_PREVIEW;
|
|
dev->opt[OPT_PREVIEW].title = SANE_TITLE_PREVIEW;
|
|
dev->opt[OPT_PREVIEW].desc = SANE_DESC_PREVIEW;
|
|
dev->opt[OPT_PREVIEW].type = SANE_TYPE_BOOL;
|
|
dev->opt[OPT_PREVIEW].cap = SANE_CAP_SOFT_DETECT | SANE_CAP_SOFT_SELECT;
|
|
dev->val[OPT_PREVIEW].w = SANE_FALSE;
|
|
|
|
/* Lastly, set the default scan mode. This might change some
|
|
* values previously set here. */
|
|
sane_control_option (dev, OPT_MODE, SANE_ACTION_SET_VALUE,
|
|
(SANE_String_Const *) scan_mode_list[0], NULL);
|
|
}
|
|
|
|
/*
|
|
* Wait until the scanner is ready.
|
|
*/
|
|
static SANE_Status
|
|
leo_wait_scanner (Leo_Scanner * dev)
|
|
{
|
|
SANE_Status status;
|
|
int timeout;
|
|
CDB cdb;
|
|
|
|
DBG (DBG_proc, "leo_wait_scanner: enter\n");
|
|
|
|
MKSCSI_TEST_UNIT_READY (cdb);
|
|
|
|
/* Set the timeout to 60 seconds. */
|
|
timeout = 60;
|
|
|
|
while (timeout > 0)
|
|
{
|
|
|
|
/* test unit ready */
|
|
status = sanei_scsi_cmd2 (dev->sfd, cdb.data, cdb.len,
|
|
NULL, 0, NULL, NULL);
|
|
|
|
if (status == SANE_STATUS_GOOD)
|
|
{
|
|
return SANE_STATUS_GOOD;
|
|
}
|
|
|
|
sleep (1);
|
|
};
|
|
|
|
DBG (DBG_proc, "leo_wait_scanner: scanner not ready\n");
|
|
return (SANE_STATUS_IO_ERROR);
|
|
}
|
|
|
|
/* Read the image from the scanner and fill the temporary buffer with it. */
|
|
static SANE_Status
|
|
leo_fill_image (Leo_Scanner * dev)
|
|
{
|
|
SANE_Status status;
|
|
size_t size;
|
|
CDB cdb;
|
|
unsigned char *image;
|
|
|
|
DBG (DBG_proc, "leo_fill_image: enter\n");
|
|
|
|
assert (dev->image_begin == dev->image_end);
|
|
assert (dev->real_bytes_left > 0);
|
|
|
|
dev->image_begin = 0;
|
|
dev->image_end = 0;
|
|
|
|
while (dev->real_bytes_left)
|
|
{
|
|
/*
|
|
* Try to read the maximum number of bytes.
|
|
*/
|
|
size = 0;
|
|
while (size == 0)
|
|
{
|
|
status = get_filled_data_length (dev, &size);
|
|
if (status)
|
|
return (status);
|
|
if (size == 0)
|
|
usleep (100000); /* sleep 1/10th of second */
|
|
}
|
|
|
|
if (size > dev->real_bytes_left)
|
|
size = dev->real_bytes_left;
|
|
if (size > dev->image_size - dev->image_end)
|
|
size = dev->image_size - dev->image_end;
|
|
|
|
/* The scanner seems to hang if more than 32KB are read. */
|
|
if (size > 0x7fff)
|
|
size = 0x7fff;
|
|
|
|
/* Always read a multiple of a line. */
|
|
size = size - (size % dev->params.bytes_per_line);
|
|
|
|
if (size == 0)
|
|
{
|
|
/* Probably reached the end of the buffer.
|
|
* Check, just in case. */
|
|
assert (dev->image_end != 0);
|
|
return (SANE_STATUS_GOOD);
|
|
}
|
|
|
|
DBG (DBG_info, "leo_fill_image: to read = %ld bytes (bpl=%d)\n",
|
|
(long) size, dev->params.bytes_per_line);
|
|
|
|
MKSCSI_READ_10 (cdb, 0, 0, size);
|
|
|
|
hexdump (DBG_info2, "leo_fill_image: READ_10 CDB", cdb.data, 10);
|
|
|
|
image = dev->image + dev->image_end;
|
|
|
|
status = sanei_scsi_cmd2 (dev->sfd, cdb.data, cdb.len,
|
|
NULL, 0, image, &size);
|
|
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error, "leo_fill_image: cannot read from the scanner\n");
|
|
return status;
|
|
}
|
|
|
|
/* Some format conversion. */
|
|
if (dev->scan_mode == LEO_COLOR)
|
|
{
|
|
|
|
/* Reorder the lines. The scanner gives color by color for
|
|
* each line. */
|
|
unsigned char *src = image;
|
|
int nb_lines = size / dev->params.bytes_per_line;
|
|
int i, j;
|
|
|
|
for (i = 0; i < nb_lines; i++)
|
|
{
|
|
|
|
unsigned char *dest = dev->buffer;
|
|
|
|
for (j = 0; j < dev->params.pixels_per_line; j++)
|
|
{
|
|
*dest = src[j + 0 * dev->params.pixels_per_line];
|
|
dest++;
|
|
*dest = src[j + 1 * dev->params.pixels_per_line];
|
|
dest++;
|
|
*dest = src[j + 2 * dev->params.pixels_per_line];
|
|
dest++;
|
|
}
|
|
|
|
/* Copy the line back. */
|
|
memcpy (src, dev->buffer, dev->params.bytes_per_line);
|
|
|
|
src += dev->params.bytes_per_line;
|
|
}
|
|
}
|
|
|
|
dev->image_end += size;
|
|
dev->real_bytes_left -= size;
|
|
|
|
DBG (DBG_info, "leo_fill_image: real bytes left = %d\n",
|
|
dev->real_bytes_left);
|
|
}
|
|
|
|
return (SANE_STATUS_GOOD); /* unreachable */
|
|
}
|
|
|
|
/* Copy from the raw buffer to the buffer given by the backend.
|
|
*
|
|
* len in input is the maximum length available in buf, and, in
|
|
* output, is the length written into buf.
|
|
*/
|
|
static void
|
|
leo_copy_raw_to_frontend (Leo_Scanner * dev, SANE_Byte * buf, size_t * len)
|
|
{
|
|
size_t size;
|
|
|
|
size = dev->image_end - dev->image_begin;
|
|
if (size > *len)
|
|
{
|
|
size = *len;
|
|
}
|
|
*len = size;
|
|
|
|
memcpy (buf, dev->image + dev->image_begin, size);
|
|
|
|
dev->image_begin += size;
|
|
}
|
|
|
|
/* Stop a scan. */
|
|
static SANE_Status
|
|
do_cancel (Leo_Scanner * dev)
|
|
{
|
|
DBG (DBG_sane_proc, "do_cancel enter\n");
|
|
|
|
if (dev->scanning == SANE_TRUE)
|
|
{
|
|
|
|
/* Reset the scanner */
|
|
dev->x_tl = 0;
|
|
dev->x_tl = 0;
|
|
dev->width = 0;
|
|
dev->length = 0;
|
|
leo_set_window (dev);
|
|
|
|
leo_scan (dev);
|
|
|
|
leo_close (dev);
|
|
}
|
|
|
|
dev->scanning = SANE_FALSE;
|
|
|
|
DBG (DBG_sane_proc, "do_cancel exit\n");
|
|
|
|
return SANE_STATUS_CANCELLED;
|
|
}
|
|
|
|
/* A default gamma table. */
|
|
static const SANE_Word gamma_init[GAMMA_LENGTH] = {
|
|
0x00, 0x06, 0x0A, 0x0D, 0x10, 0x13, 0x15, 0x17, 0x19, 0x1B, 0x1D, 0x1F,
|
|
0x21, 0x23, 0x25, 0x27,
|
|
0x28, 0x2A, 0x2C, 0x2D, 0x2F, 0x30, 0x32, 0x33, 0x35, 0x36, 0x38, 0x39,
|
|
0x3A, 0x3C, 0x3D, 0x3F,
|
|
0x40, 0x41, 0x43, 0x44, 0x45, 0x46, 0x48, 0x49, 0x4A, 0x4B, 0x4D, 0x4E,
|
|
0x4F, 0x50, 0x51, 0x53,
|
|
0x54, 0x55, 0x56, 0x57, 0x58, 0x59, 0x5B, 0x5C, 0x5D, 0x5E, 0x5F, 0x60,
|
|
0x61, 0x62, 0x63, 0x64,
|
|
0x65, 0x67, 0x68, 0x69, 0x6A, 0x6B, 0x6C, 0x6D, 0x6E, 0x6F, 0x70, 0x71,
|
|
0x72, 0x73, 0x74, 0x75,
|
|
0x76, 0x77, 0x78, 0x79, 0x7A, 0x7B, 0x7C, 0x7D, 0x7D, 0x7E, 0x7F, 0x80,
|
|
0x81, 0x82, 0x83, 0x84,
|
|
0x85, 0x86, 0x87, 0x88, 0x89, 0x8A, 0x8A, 0x8B, 0x8C, 0x8D, 0x8E, 0x8F,
|
|
0x90, 0x91, 0x92, 0x92,
|
|
0x93, 0x94, 0x95, 0x96, 0x97, 0x98, 0x99, 0x99, 0x9A, 0x9B, 0x9C, 0x9D,
|
|
0x9E, 0x9F, 0x9F, 0xA0,
|
|
0xA1, 0xA2, 0xA3, 0xA4, 0xA4, 0xA5, 0xA6, 0xA7, 0xA8, 0xA9, 0xA9, 0xAA,
|
|
0xAB, 0xAC, 0xAD, 0xAD,
|
|
0xAE, 0xAF, 0xB0, 0xB1, 0xB1, 0xB2, 0xB3, 0xB4, 0xB5, 0xB5, 0xB6, 0xB7,
|
|
0xB8, 0xB9, 0xB9, 0xBA,
|
|
0xBB, 0xBC, 0xBC, 0xBD, 0xBE, 0xBF, 0xC0, 0xC0, 0xC1, 0xC2, 0xC3, 0xC3,
|
|
0xC4, 0xC5, 0xC6, 0xC6,
|
|
0xC7, 0xC8, 0xC9, 0xC9, 0xCA, 0xCB, 0xCC, 0xCC, 0xCD, 0xCE, 0xCF, 0xCF,
|
|
0xD0, 0xD1, 0xD2, 0xD2,
|
|
0xD3, 0xD4, 0xD5, 0xD5, 0xD6, 0xD7, 0xD7, 0xD8, 0xD9, 0xDA, 0xDA, 0xDB,
|
|
0xDC, 0xDC, 0xDD, 0xDE,
|
|
0xDF, 0xDF, 0xE0, 0xE1, 0xE1, 0xE2, 0xE3, 0xE4, 0xE4, 0xE5, 0xE6, 0xE6,
|
|
0xE7, 0xE8, 0xE8, 0xE9,
|
|
0xEA, 0xEB, 0xEB, 0xEC, 0xED, 0xED, 0xEE, 0xEF, 0xEF, 0xF0, 0xF1, 0xF1,
|
|
0xF2, 0xF3, 0xF4, 0xF4,
|
|
0xF5, 0xF6, 0xF6, 0xF7, 0xF8, 0xF8, 0xF9, 0xFA, 0xFA, 0xFB, 0xFC, 0xFC,
|
|
0xFD, 0xFE, 0xFE, 0xFF
|
|
};
|
|
|
|
/* Send the gamma */
|
|
static SANE_Status
|
|
leo_send_gamma (Leo_Scanner * dev)
|
|
{
|
|
CDB cdb;
|
|
SANE_Status status;
|
|
struct
|
|
{
|
|
unsigned char gamma_R[GAMMA_LENGTH];
|
|
unsigned char gamma_G[GAMMA_LENGTH]; /* also gray */
|
|
unsigned char gamma_B[GAMMA_LENGTH];
|
|
}
|
|
param;
|
|
size_t i;
|
|
size_t size;
|
|
|
|
DBG (DBG_proc, "leo_send_gamma: enter\n");
|
|
|
|
size = sizeof (param);
|
|
assert (size == 3 * GAMMA_LENGTH);
|
|
MKSCSI_SEND_10 (cdb, 0x03, 0x01, size);
|
|
|
|
if (dev->val[OPT_CUSTOM_GAMMA].w)
|
|
{
|
|
/* Use the custom gamma. */
|
|
if (dev->scan_mode == LEO_GRAYSCALE)
|
|
{
|
|
/* Gray */
|
|
for (i = 0; i < GAMMA_LENGTH; i++)
|
|
{
|
|
param.gamma_R[i] = dev->gamma_GRAY[i];
|
|
param.gamma_G[i] = 0;
|
|
param.gamma_B[i] = 0;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
/* Color */
|
|
for (i = 0; i < GAMMA_LENGTH; i++)
|
|
{
|
|
param.gamma_R[i] = dev->gamma_R[i];
|
|
param.gamma_G[i] = dev->gamma_G[i];
|
|
param.gamma_B[i] = dev->gamma_B[i];
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
for (i = 0; i < GAMMA_LENGTH; i++)
|
|
{
|
|
param.gamma_R[i] = gamma_init[i];
|
|
param.gamma_G[i] = gamma_init[i];
|
|
param.gamma_B[i] = gamma_init[i];
|
|
}
|
|
}
|
|
|
|
hexdump (DBG_info2, "leo_send_gamma:", cdb.data, cdb.len);
|
|
|
|
status = sanei_scsi_cmd2 (dev->sfd, cdb.data, cdb.len,
|
|
¶m, size, NULL, NULL);
|
|
|
|
DBG (DBG_proc, "leo_send_gamma: exit, status=%d\n", status);
|
|
|
|
return (status);
|
|
}
|
|
|
|
/* Send the halftone pattern */
|
|
static SANE_Status
|
|
leo_send_halftone_pattern (Leo_Scanner * dev)
|
|
{
|
|
int i;
|
|
const halftone_pattern_t *pattern;
|
|
SANE_Status status;
|
|
size_t size;
|
|
CDB cdb;
|
|
|
|
DBG (DBG_proc, "leo_send_halftone_pattern: enter\n");
|
|
|
|
if (dev->scan_mode == LEO_HALFTONE)
|
|
{
|
|
|
|
i = get_string_list_index (halftone_pattern_list,
|
|
dev->val[OPT_HALFTONE_PATTERN].s);
|
|
pattern = halftone_pattern_val[i];
|
|
|
|
assert (pattern != NULL);
|
|
|
|
size = sizeof (halftone_pattern_t);
|
|
assert (size == 256);
|
|
MKSCSI_SEND_10 (cdb, 0x02, 0x0F, size);
|
|
|
|
hexdump (DBG_info2, "leo_send_gamma:", cdb.data, cdb.len);
|
|
|
|
status = sanei_scsi_cmd2 (dev->sfd, cdb.data, cdb.len,
|
|
pattern, size, NULL, NULL);
|
|
}
|
|
else
|
|
{
|
|
status = SANE_STATUS_GOOD;
|
|
}
|
|
|
|
DBG (DBG_proc, "leo_send_halftone_pattern: exit, status=%d\n", status);
|
|
|
|
return status;
|
|
}
|
|
|
|
/*--------------------------------------------------------------------------*/
|
|
|
|
/* Sane entry points */
|
|
|
|
SANE_Status
|
|
sane_init (SANE_Int * version_code, SANE_Auth_Callback authorize)
|
|
{
|
|
FILE *fp;
|
|
char dev_name[PATH_MAX];
|
|
size_t len;
|
|
|
|
DBG_INIT ();
|
|
|
|
DBG (DBG_sane_init, "sane_init\n");
|
|
|
|
authorize = authorize; /* silence gcc */
|
|
|
|
DBG (DBG_error, "This is sane-leo version %d.%d-%d\n", V_MAJOR,
|
|
V_MINOR, BUILD);
|
|
DBG (DBG_error, "(C) 2002 by Frank Zago\n");
|
|
|
|
if (version_code)
|
|
{
|
|
*version_code = SANE_VERSION_CODE (V_MAJOR, V_MINOR, BUILD);
|
|
}
|
|
|
|
fp = sanei_config_open (LEO_CONFIG_FILE);
|
|
if (!fp)
|
|
{
|
|
/* default to /dev/scanner instead of insisting on config file */
|
|
attach_scanner ("/dev/scanner", 0);
|
|
return SANE_STATUS_GOOD;
|
|
}
|
|
|
|
while (sanei_config_read (dev_name, sizeof (dev_name), fp))
|
|
{
|
|
if (dev_name[0] == '#') /* ignore line comments */
|
|
continue;
|
|
len = strlen (dev_name);
|
|
|
|
if (!len)
|
|
continue; /* ignore empty lines */
|
|
|
|
sanei_config_attach_matching_devices (dev_name, attach_one);
|
|
}
|
|
|
|
fclose (fp);
|
|
|
|
DBG (DBG_proc, "sane_init: leave\n");
|
|
|
|
return SANE_STATUS_GOOD;
|
|
}
|
|
|
|
SANE_Status
|
|
sane_get_devices (const SANE_Device *** device_list, SANE_Bool local_only)
|
|
{
|
|
Leo_Scanner *dev;
|
|
int i;
|
|
|
|
DBG (DBG_proc, "sane_get_devices: enter\n");
|
|
|
|
local_only = local_only; /* silence gcc */
|
|
|
|
if (devlist)
|
|
free (devlist);
|
|
|
|
devlist = malloc ((num_devices + 1) * sizeof (devlist[0]));
|
|
if (!devlist)
|
|
return SANE_STATUS_NO_MEM;
|
|
|
|
i = 0;
|
|
for (dev = first_dev; i < num_devices; dev = dev->next)
|
|
devlist[i++] = &dev->sane;
|
|
devlist[i++] = 0;
|
|
|
|
*device_list = devlist;
|
|
|
|
DBG (DBG_proc, "sane_get_devices: exit\n");
|
|
|
|
return SANE_STATUS_GOOD;
|
|
}
|
|
|
|
SANE_Status
|
|
sane_open (SANE_String_Const devicename, SANE_Handle * handle)
|
|
{
|
|
Leo_Scanner *dev;
|
|
SANE_Status status;
|
|
|
|
DBG (DBG_proc, "sane_open: enter\n");
|
|
|
|
/* search for devicename */
|
|
if (devicename[0])
|
|
{
|
|
DBG (DBG_info, "sane_open: devicename=%s\n", devicename);
|
|
|
|
for (dev = first_dev; dev; dev = dev->next)
|
|
{
|
|
if (strcmp (dev->sane.name, devicename) == 0)
|
|
{
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (!dev)
|
|
{
|
|
status = attach_scanner (devicename, &dev);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
return status;
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
DBG (DBG_sane_info, "sane_open: no devicename, opening first device\n");
|
|
dev = first_dev; /* empty devicename -> use first device */
|
|
}
|
|
|
|
if (!dev)
|
|
{
|
|
DBG (DBG_error, "No scanner found\n");
|
|
|
|
return SANE_STATUS_INVAL;
|
|
}
|
|
|
|
leo_init_options (dev);
|
|
|
|
/* Initialize the gamma table. */
|
|
memcpy (dev->gamma_R, gamma_init, dev->opt[OPT_GAMMA_VECTOR_R].size);
|
|
memcpy (dev->gamma_G, gamma_init, dev->opt[OPT_GAMMA_VECTOR_G].size);
|
|
memcpy (dev->gamma_B, gamma_init, dev->opt[OPT_GAMMA_VECTOR_B].size);
|
|
memcpy (dev->gamma_GRAY, gamma_init, dev->opt[OPT_GAMMA_VECTOR_GRAY].size);
|
|
|
|
*handle = dev;
|
|
|
|
DBG (DBG_proc, "sane_open: exit\n");
|
|
|
|
return SANE_STATUS_GOOD;
|
|
}
|
|
|
|
const SANE_Option_Descriptor *
|
|
sane_get_option_descriptor (SANE_Handle handle, SANE_Int option)
|
|
{
|
|
Leo_Scanner *dev = handle;
|
|
|
|
DBG (DBG_proc, "sane_get_option_descriptor: enter, option %d\n", option);
|
|
|
|
if ((unsigned) option >= OPT_NUM_OPTIONS)
|
|
{
|
|
return NULL;
|
|
}
|
|
|
|
DBG (DBG_proc, "sane_get_option_descriptor: exit\n");
|
|
|
|
return dev->opt + option;
|
|
}
|
|
|
|
SANE_Status
|
|
sane_control_option (SANE_Handle handle, SANE_Int option,
|
|
SANE_Action action, void *val, SANE_Int * info)
|
|
{
|
|
Leo_Scanner *dev = handle;
|
|
SANE_Status status;
|
|
SANE_Word cap;
|
|
int i;
|
|
|
|
DBG (DBG_proc, "sane_control_option: enter, option %d, action %d\n",
|
|
option, action);
|
|
|
|
if (info)
|
|
{
|
|
*info = 0;
|
|
}
|
|
|
|
if (dev->scanning)
|
|
{
|
|
return SANE_STATUS_DEVICE_BUSY;
|
|
}
|
|
|
|
if (option < 0 || option >= OPT_NUM_OPTIONS)
|
|
{
|
|
return SANE_STATUS_INVAL;
|
|
}
|
|
|
|
cap = dev->opt[option].cap;
|
|
if (!SANE_OPTION_IS_ACTIVE (cap))
|
|
{
|
|
return SANE_STATUS_INVAL;
|
|
}
|
|
|
|
if (action == SANE_ACTION_GET_VALUE)
|
|
{
|
|
|
|
switch (option)
|
|
{
|
|
/* word options */
|
|
case OPT_NUM_OPTS:
|
|
case OPT_RESOLUTION:
|
|
case OPT_TL_Y:
|
|
case OPT_BR_Y:
|
|
case OPT_TL_X:
|
|
case OPT_BR_X:
|
|
case OPT_CUSTOM_GAMMA:
|
|
case OPT_PREVIEW:
|
|
*(SANE_Word *) val = dev->val[option].w;
|
|
return SANE_STATUS_GOOD;
|
|
|
|
/* string options */
|
|
case OPT_MODE:
|
|
case OPT_HALFTONE_PATTERN:
|
|
strcpy (val, dev->val[option].s);
|
|
return SANE_STATUS_GOOD;
|
|
|
|
/* Gamma */
|
|
case OPT_GAMMA_VECTOR_R:
|
|
case OPT_GAMMA_VECTOR_G:
|
|
case OPT_GAMMA_VECTOR_B:
|
|
case OPT_GAMMA_VECTOR_GRAY:
|
|
memcpy (val, dev->val[option].wa, dev->opt[option].size);
|
|
return SANE_STATUS_GOOD;
|
|
|
|
default:
|
|
return SANE_STATUS_INVAL;
|
|
}
|
|
}
|
|
else if (action == SANE_ACTION_SET_VALUE)
|
|
{
|
|
|
|
if (!SANE_OPTION_IS_SETTABLE (cap))
|
|
{
|
|
DBG (DBG_error, "could not set option, not settable\n");
|
|
return SANE_STATUS_INVAL;
|
|
}
|
|
|
|
status = sanei_constrain_value (dev->opt + option, val, info);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error, "could not set option, invalid value\n");
|
|
return status;
|
|
}
|
|
|
|
switch (option)
|
|
{
|
|
|
|
/* Numeric side-effect options */
|
|
case OPT_TL_Y:
|
|
case OPT_BR_Y:
|
|
case OPT_TL_X:
|
|
case OPT_BR_X:
|
|
case OPT_RESOLUTION:
|
|
if (info)
|
|
{
|
|
*info |= SANE_INFO_RELOAD_PARAMS;
|
|
}
|
|
dev->val[option].w = *(SANE_Word *) val;
|
|
return SANE_STATUS_GOOD;
|
|
|
|
/* Numeric side-effect free options */
|
|
case OPT_PREVIEW:
|
|
dev->val[option].w = *(SANE_Word *) val;
|
|
return SANE_STATUS_GOOD;
|
|
|
|
/* String side-effect options */
|
|
case OPT_MODE:
|
|
if (strcmp (dev->val[option].s, val) == 0)
|
|
return SANE_STATUS_GOOD;
|
|
|
|
free (dev->val[OPT_MODE].s);
|
|
dev->val[OPT_MODE].s = (SANE_Char *) strdup (val);
|
|
|
|
dev->opt[OPT_CUSTOM_GAMMA].cap |= SANE_CAP_INACTIVE;
|
|
dev->opt[OPT_GAMMA_VECTOR_R].cap |= SANE_CAP_INACTIVE;
|
|
dev->opt[OPT_GAMMA_VECTOR_G].cap |= SANE_CAP_INACTIVE;
|
|
dev->opt[OPT_GAMMA_VECTOR_B].cap |= SANE_CAP_INACTIVE;
|
|
dev->opt[OPT_GAMMA_VECTOR_GRAY].cap |= SANE_CAP_INACTIVE;
|
|
dev->opt[OPT_HALFTONE_PATTERN].cap |= SANE_CAP_INACTIVE;
|
|
|
|
if (strcmp (dev->val[OPT_MODE].s, BLACK_WHITE_STR) == 0)
|
|
{
|
|
int i;
|
|
|
|
i = get_string_list_index (halftone_pattern_list,
|
|
dev->val[OPT_HALFTONE_PATTERN].s);
|
|
if (halftone_pattern_val[i] == NULL)
|
|
{
|
|
dev->scan_mode = LEO_BW;
|
|
}
|
|
else
|
|
{
|
|
dev->scan_mode = LEO_HALFTONE;
|
|
}
|
|
dev->depth = 1;
|
|
dev->opt[OPT_HALFTONE_PATTERN].cap &= ~SANE_CAP_INACTIVE;
|
|
}
|
|
else if (strcmp (dev->val[OPT_MODE].s, GRAY_STR) == 0)
|
|
{
|
|
dev->scan_mode = LEO_GRAYSCALE;
|
|
dev->depth = 8;
|
|
dev->opt[OPT_CUSTOM_GAMMA].cap &= ~SANE_CAP_INACTIVE;
|
|
if (dev->val[OPT_CUSTOM_GAMMA].w)
|
|
{
|
|
dev->opt[OPT_GAMMA_VECTOR_GRAY].cap &= ~SANE_CAP_INACTIVE;
|
|
}
|
|
}
|
|
else if (strcmp (dev->val[OPT_MODE].s, COLOR_STR) == 0)
|
|
{
|
|
dev->scan_mode = LEO_COLOR;
|
|
dev->depth = 8;
|
|
dev->opt[OPT_CUSTOM_GAMMA].cap &= ~SANE_CAP_INACTIVE;
|
|
if (dev->val[OPT_CUSTOM_GAMMA].w)
|
|
{
|
|
dev->opt[OPT_GAMMA_VECTOR_R].cap &= ~SANE_CAP_INACTIVE;
|
|
dev->opt[OPT_GAMMA_VECTOR_G].cap &= ~SANE_CAP_INACTIVE;
|
|
dev->opt[OPT_GAMMA_VECTOR_B].cap &= ~SANE_CAP_INACTIVE;
|
|
}
|
|
}
|
|
|
|
if (info)
|
|
{
|
|
*info |= SANE_INFO_RELOAD_OPTIONS | SANE_INFO_RELOAD_PARAMS;
|
|
}
|
|
return SANE_STATUS_GOOD;
|
|
|
|
case OPT_HALFTONE_PATTERN:
|
|
free (dev->val[option].s);
|
|
dev->val[option].s = (SANE_String) strdup (val);
|
|
i = get_string_list_index (halftone_pattern_list,
|
|
dev->val[OPT_HALFTONE_PATTERN].s);
|
|
if (halftone_pattern_val[i] == NULL)
|
|
{
|
|
dev->scan_mode = LEO_BW;
|
|
}
|
|
else
|
|
{
|
|
dev->scan_mode = LEO_HALFTONE;
|
|
}
|
|
|
|
return SANE_STATUS_GOOD;
|
|
|
|
case OPT_GAMMA_VECTOR_R:
|
|
case OPT_GAMMA_VECTOR_G:
|
|
case OPT_GAMMA_VECTOR_B:
|
|
case OPT_GAMMA_VECTOR_GRAY:
|
|
memcpy (dev->val[option].wa, val, dev->opt[option].size);
|
|
return SANE_STATUS_GOOD;
|
|
|
|
case OPT_CUSTOM_GAMMA:
|
|
dev->val[OPT_CUSTOM_GAMMA].w = *(SANE_Word *) val;
|
|
if (dev->val[OPT_CUSTOM_GAMMA].w)
|
|
{
|
|
/* use custom_gamma_table */
|
|
if (dev->scan_mode == LEO_GRAYSCALE)
|
|
{
|
|
dev->opt[OPT_GAMMA_VECTOR_GRAY].cap &= ~SANE_CAP_INACTIVE;
|
|
}
|
|
else
|
|
{
|
|
/* color mode */
|
|
dev->opt[OPT_GAMMA_VECTOR_R].cap &= ~SANE_CAP_INACTIVE;
|
|
dev->opt[OPT_GAMMA_VECTOR_G].cap &= ~SANE_CAP_INACTIVE;
|
|
dev->opt[OPT_GAMMA_VECTOR_B].cap &= ~SANE_CAP_INACTIVE;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
dev->opt[OPT_GAMMA_VECTOR_R].cap |= SANE_CAP_INACTIVE;
|
|
dev->opt[OPT_GAMMA_VECTOR_G].cap |= SANE_CAP_INACTIVE;
|
|
dev->opt[OPT_GAMMA_VECTOR_B].cap |= SANE_CAP_INACTIVE;
|
|
dev->opt[OPT_GAMMA_VECTOR_GRAY].cap |= SANE_CAP_INACTIVE;
|
|
}
|
|
if (info)
|
|
{
|
|
*info |= SANE_INFO_RELOAD_OPTIONS;
|
|
}
|
|
return SANE_STATUS_GOOD;
|
|
|
|
default:
|
|
return SANE_STATUS_INVAL;
|
|
}
|
|
}
|
|
|
|
DBG (DBG_proc, "sane_control_option: exit, bad\n");
|
|
|
|
return SANE_STATUS_UNSUPPORTED;
|
|
}
|
|
|
|
SANE_Status
|
|
sane_get_parameters (SANE_Handle handle, SANE_Parameters * params)
|
|
{
|
|
Leo_Scanner *dev = handle;
|
|
|
|
DBG (DBG_proc, "sane_get_parameters: enter\n");
|
|
|
|
if (!(dev->scanning))
|
|
{
|
|
|
|
/* Setup the parameters for the scan. These values will be re-used
|
|
* in the SET WINDOWS command. */
|
|
if (dev->val[OPT_PREVIEW].w == SANE_TRUE)
|
|
{
|
|
dev->x_resolution = 28;
|
|
dev->y_resolution = 28;
|
|
dev->x_tl = 0;
|
|
dev->y_tl = 0;
|
|
dev->x_br = mmToIlu (SANE_UNFIX (x_range.max));
|
|
dev->y_br = mmToIlu (SANE_UNFIX (y_range.max));
|
|
}
|
|
else
|
|
{
|
|
dev->x_resolution = dev->val[OPT_RESOLUTION].w;
|
|
dev->y_resolution = dev->val[OPT_RESOLUTION].w;
|
|
dev->x_tl = mmToIlu (SANE_UNFIX (dev->val[OPT_TL_X].w));
|
|
dev->y_tl = mmToIlu (SANE_UNFIX (dev->val[OPT_TL_Y].w));
|
|
dev->x_br = mmToIlu (SANE_UNFIX (dev->val[OPT_BR_X].w));
|
|
dev->y_br = mmToIlu (SANE_UNFIX (dev->val[OPT_BR_Y].w));
|
|
}
|
|
|
|
/* Check the corners are OK. */
|
|
if (dev->x_tl > dev->x_br)
|
|
{
|
|
int s;
|
|
s = dev->x_tl;
|
|
dev->x_tl = dev->x_br;
|
|
dev->x_br = s;
|
|
}
|
|
if (dev->y_tl > dev->y_br)
|
|
{
|
|
int s;
|
|
s = dev->y_tl;
|
|
dev->y_tl = dev->y_br;
|
|
dev->y_br = s;
|
|
}
|
|
|
|
dev->width = dev->x_br - dev->x_tl;
|
|
dev->length = dev->y_br - dev->y_tl;
|
|
|
|
/* Prepare the parameters for the caller. */
|
|
memset (&dev->params, 0, sizeof (SANE_Parameters));
|
|
|
|
dev->params.last_frame = SANE_TRUE;
|
|
|
|
switch (dev->scan_mode)
|
|
{
|
|
case LEO_BW:
|
|
case LEO_HALFTONE:
|
|
dev->params.format = SANE_FRAME_GRAY;
|
|
dev->params.pixels_per_line = dev->width & ~0x7;
|
|
dev->params.bytes_per_line = dev->params.pixels_per_line / 8;
|
|
dev->params.depth = 1;
|
|
break;
|
|
case LEO_GRAYSCALE:
|
|
dev->params.format = SANE_FRAME_GRAY;
|
|
dev->params.pixels_per_line = dev->width;
|
|
dev->params.bytes_per_line = dev->params.pixels_per_line;
|
|
dev->params.depth = 8;
|
|
break;
|
|
case LEO_COLOR:
|
|
dev->params.format = SANE_FRAME_RGB;
|
|
dev->params.pixels_per_line = dev->width;
|
|
dev->params.bytes_per_line = dev->params.pixels_per_line * 3;
|
|
dev->params.depth = 8;
|
|
break;
|
|
}
|
|
|
|
dev->params.lines = dev->length;
|
|
}
|
|
|
|
/* Return the current values. */
|
|
if (params)
|
|
{
|
|
*params = (dev->params);
|
|
}
|
|
|
|
DBG (DBG_proc, "sane_get_parameters: exit\n");
|
|
|
|
return SANE_STATUS_GOOD;
|
|
}
|
|
|
|
SANE_Status
|
|
sane_start (SANE_Handle handle)
|
|
{
|
|
Leo_Scanner *dev = handle;
|
|
SANE_Status status;
|
|
|
|
DBG (DBG_proc, "sane_start: enter\n");
|
|
|
|
if (!(dev->scanning))
|
|
{
|
|
|
|
sane_get_parameters (dev, NULL);
|
|
|
|
/* Open again the scanner. */
|
|
if (sanei_scsi_open
|
|
(dev->devicename, &(dev->sfd), leo_sense_handler, dev) != 0)
|
|
{
|
|
DBG (DBG_error, "ERROR: sane_start: open failed\n");
|
|
return SANE_STATUS_INVAL;
|
|
}
|
|
|
|
/* The scanner must be ready. */
|
|
status = leo_wait_scanner (dev);
|
|
if (status)
|
|
{
|
|
leo_close (dev);
|
|
return status;
|
|
}
|
|
|
|
status = leo_set_window (dev);
|
|
if (status)
|
|
{
|
|
leo_close (dev);
|
|
return status;
|
|
}
|
|
|
|
status = leo_send_gamma (dev);
|
|
if (status)
|
|
{
|
|
leo_close (dev);
|
|
return status;
|
|
}
|
|
|
|
status = leo_send_halftone_pattern (dev);
|
|
if (status)
|
|
{
|
|
leo_close (dev);
|
|
return status;
|
|
}
|
|
|
|
status = leo_scan (dev);
|
|
if (status)
|
|
{
|
|
leo_close (dev);
|
|
return status;
|
|
}
|
|
|
|
status = leo_wait_scanner (dev);
|
|
if (status)
|
|
{
|
|
leo_close (dev);
|
|
return status;
|
|
}
|
|
|
|
status = leo_get_scan_size (dev);
|
|
if (status)
|
|
{
|
|
leo_close (dev);
|
|
return status;
|
|
}
|
|
|
|
}
|
|
|
|
dev->image_end = 0;
|
|
dev->image_begin = 0;
|
|
|
|
dev->bytes_left = dev->params.bytes_per_line * dev->params.lines;
|
|
dev->real_bytes_left = dev->params.bytes_per_line * dev->params.lines;
|
|
|
|
dev->scanning = SANE_TRUE;
|
|
|
|
DBG (DBG_proc, "sane_start: exit\n");
|
|
|
|
return SANE_STATUS_GOOD;
|
|
}
|
|
|
|
SANE_Status
|
|
sane_read (SANE_Handle handle, SANE_Byte * buf, SANE_Int max_len,
|
|
SANE_Int * len)
|
|
{
|
|
SANE_Status status;
|
|
Leo_Scanner *dev = handle;
|
|
size_t size;
|
|
int buf_offset; /* offset into buf */
|
|
|
|
DBG (DBG_proc, "sane_read: enter\n");
|
|
|
|
*len = 0;
|
|
|
|
if (!(dev->scanning))
|
|
{
|
|
/* OOPS, not scanning */
|
|
return do_cancel (dev);
|
|
}
|
|
|
|
if (dev->bytes_left <= 0)
|
|
{
|
|
return (SANE_STATUS_EOF);
|
|
}
|
|
|
|
buf_offset = 0;
|
|
|
|
do
|
|
{
|
|
if (dev->image_begin == dev->image_end)
|
|
{
|
|
/* Fill image */
|
|
status = leo_fill_image (dev);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
return (status);
|
|
}
|
|
}
|
|
|
|
/* Something must have been read */
|
|
if (dev->image_begin == dev->image_end)
|
|
{
|
|
DBG (DBG_info, "sane_read: nothing read\n");
|
|
return SANE_STATUS_IO_ERROR;
|
|
}
|
|
|
|
/* Copy the data to the frontend buffer. */
|
|
size = max_len - buf_offset;
|
|
if (size > dev->bytes_left)
|
|
{
|
|
size = dev->bytes_left;
|
|
}
|
|
leo_copy_raw_to_frontend (dev, buf + buf_offset, &size);
|
|
|
|
buf_offset += size;
|
|
|
|
dev->bytes_left -= size;
|
|
*len += size;
|
|
|
|
}
|
|
while ((buf_offset != max_len) && dev->bytes_left);
|
|
|
|
DBG (DBG_info, "sane_read: leave, bytes_left=%d\n", dev->bytes_left);
|
|
|
|
return SANE_STATUS_GOOD;
|
|
}
|
|
|
|
SANE_Status
|
|
sane_set_io_mode (SANE_Handle handle, SANE_Bool non_blocking)
|
|
{
|
|
SANE_Status status;
|
|
Leo_Scanner *dev = handle;
|
|
|
|
DBG (DBG_proc, "sane_set_io_mode: enter\n");
|
|
|
|
handle = handle; /* silence gcc */
|
|
non_blocking = non_blocking; /* silence gcc */
|
|
|
|
if (!dev->scanning)
|
|
{
|
|
return SANE_STATUS_INVAL;
|
|
}
|
|
|
|
if (non_blocking == SANE_FALSE)
|
|
{
|
|
status = SANE_STATUS_GOOD;
|
|
}
|
|
else
|
|
{
|
|
status = SANE_STATUS_UNSUPPORTED;
|
|
}
|
|
|
|
DBG (DBG_proc, "sane_set_io_mode: exit\n");
|
|
|
|
return status;
|
|
}
|
|
|
|
SANE_Status
|
|
sane_get_select_fd (SANE_Handle handle, SANE_Int * fd)
|
|
{
|
|
DBG (DBG_proc, "sane_get_select_fd: enter\n");
|
|
|
|
handle = handle; /* silence gcc */
|
|
fd = fd; /* silence gcc */
|
|
|
|
DBG (DBG_proc, "sane_get_select_fd: exit\n");
|
|
|
|
return SANE_STATUS_UNSUPPORTED;
|
|
}
|
|
|
|
void
|
|
sane_cancel (SANE_Handle handle)
|
|
{
|
|
Leo_Scanner *dev = handle;
|
|
|
|
DBG (DBG_proc, "sane_cancel: enter\n");
|
|
|
|
do_cancel (dev);
|
|
|
|
DBG (DBG_proc, "sane_cancel: exit\n");
|
|
}
|
|
|
|
void
|
|
sane_close (SANE_Handle handle)
|
|
{
|
|
Leo_Scanner *dev = handle;
|
|
Leo_Scanner *dev_tmp;
|
|
|
|
DBG (DBG_proc, "sane_close: enter\n");
|
|
|
|
do_cancel (dev);
|
|
leo_close (dev);
|
|
|
|
/* Unlink dev. */
|
|
if (first_dev == dev)
|
|
{
|
|
first_dev = dev->next;
|
|
}
|
|
else
|
|
{
|
|
dev_tmp = first_dev;
|
|
while (dev_tmp->next && dev_tmp->next != dev)
|
|
{
|
|
dev_tmp = dev_tmp->next;
|
|
}
|
|
if (dev_tmp->next != NULL)
|
|
{
|
|
dev_tmp->next = dev_tmp->next->next;
|
|
}
|
|
}
|
|
|
|
leo_free (dev);
|
|
num_devices--;
|
|
|
|
DBG (DBG_proc, "sane_close: exit\n");
|
|
}
|
|
|
|
void
|
|
sane_exit (void)
|
|
{
|
|
DBG (DBG_proc, "sane_exit: enter\n");
|
|
|
|
while (first_dev)
|
|
{
|
|
sane_close (first_dev);
|
|
}
|
|
|
|
if (devlist)
|
|
{
|
|
free (devlist);
|
|
devlist = NULL;
|
|
}
|
|
|
|
DBG (DBG_proc, "sane_exit: exit\n");
|
|
}
|