kopia lustrzana https://gitlab.com/sane-project/backends
959 wiersze
24 KiB
C
959 wiersze
24 KiB
C
/* sane - Scanner Access Now Easy.
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Copyright (C) 2001, Marcio Luis Teixeira
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Parts copyright (C) 1996, 1997 Andreas Beck
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Parts copyright (C) 2000, 2001 Michael Herder <crapsite@gmx.net>
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Parts copyright (C) 2001 Henning Meier-Geinitz <henning@meier-geinitz.de>
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Parts copyright (C) 2006 Patrick Lessard
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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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#define BUILD 1
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#define MM_IN_INCH 25.4
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#include "../include/sane/config.h"
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#include <stdlib.h>
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#include <string.h>
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#include <stdio.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <sys/ioctl.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_config.h"
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#include "../include/sane/sanei_usb.h"
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#include "../include/sane/sanei_pv8630.h"
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#define BACKEND_NAME umax1220u
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#define UMAX_CONFIG_FILE "umax1220u.conf"
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#include "../include/sane/sanei_backend.h"
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#include "umax1220u-common.c"
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typedef struct Umax_Device
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{
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struct Umax_Device *next;
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SANE_String name;
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SANE_Device sane;
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}
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Umax_Device;
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typedef struct Umax_Scanner
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{
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struct Umax_Scanner *next;
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Umax_Device *device;
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UMAX_Handle scan;
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}
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Umax_Scanner;
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static int num_devices = 0;
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static const SANE_Device **devlist = NULL;
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static Umax_Device *first_dev = NULL;
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static Umax_Scanner *first_handle = NULL;
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static SANE_Parameters parms = {
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SANE_FRAME_RGB,
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0,
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0, /* Number of bytes returned per scan line: */
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0, /* Number of pixels per scan line. */
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0, /* Number of lines for the current scan. */
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8 /* Number of bits per sample. */
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};
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struct _SANE_Option
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{
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SANE_Option_Descriptor *descriptor;
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SANE_Status (*callback) (struct _SANE_Option * option, SANE_Handle handle,
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SANE_Action action, void *value,
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SANE_Int * info);
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};
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typedef struct _SANE_Option SANE_Option;
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static SANE_Word getNumberOfOptions (void); /* Forward declaration */
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/*
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This read-only option returns the number of options available for
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the device. It should be the first option in the options array
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declared below.
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*/
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static SANE_Option_Descriptor optionNumOptionsDescriptor = {
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SANE_NAME_NUM_OPTIONS,
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SANE_TITLE_NUM_OPTIONS,
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SANE_DESC_NUM_OPTIONS,
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SANE_TYPE_INT,
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SANE_UNIT_NONE,
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sizeof (SANE_Word),
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SANE_CAP_SOFT_DETECT,
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SANE_CONSTRAINT_NONE,
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{NULL}
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};
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static SANE_Status
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optionNumOptionsCallback (SANE_Option * option, SANE_Handle handle,
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SANE_Action action, void *value, SANE_Int * info)
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{
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option = option;
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handle = handle;
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info = info; /* Eliminate warning about unused parameters */
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if (action != SANE_ACTION_GET_VALUE)
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return SANE_STATUS_INVAL;
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*(SANE_Word *) value = getNumberOfOptions ();
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return SANE_STATUS_GOOD;
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}
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/*
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This option lets the user select the scan resolution. The UMAX
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scanner only supports the following resolutions: 75, 150, 300 and
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600
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*/
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static const SANE_Word optionResolutionList[] = {
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4, /* Number of elements */
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75, 150, 300, 600 /* Resolution list */
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};
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static SANE_Option_Descriptor optionResolutionDescriptor = {
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SANE_NAME_SCAN_RESOLUTION,
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SANE_TITLE_SCAN_RESOLUTION,
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SANE_DESC_SCAN_RESOLUTION,
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SANE_TYPE_INT,
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SANE_UNIT_DPI,
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sizeof (SANE_Word),
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SANE_CAP_SOFT_SELECT | SANE_CAP_SOFT_DETECT | SANE_CAP_AUTOMATIC,
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SANE_CONSTRAINT_WORD_LIST,
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{(const SANE_String_Const *) optionResolutionList}
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};
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static SANE_Word optionResolutionValue = 75;
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static SANE_Status
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optionResolutionCallback (SANE_Option * option, SANE_Handle handle,
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SANE_Action action, void *value, SANE_Int * info)
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{
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SANE_Status status;
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SANE_Word autoValue = 75;
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handle = handle; /* Eliminate warning about unused parameters */
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switch (action)
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{
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case SANE_ACTION_SET_AUTO:
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status =
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sanei_constrain_value (option->descriptor, (void *) &autoValue, info);
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if (status != SANE_STATUS_GOOD)
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return status;
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optionResolutionValue = autoValue;
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*info |= SANE_INFO_RELOAD_PARAMS;
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break;
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case SANE_ACTION_SET_VALUE:
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*info |= SANE_INFO_RELOAD_PARAMS;
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optionResolutionValue = *(SANE_Word *) value;
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break;
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case SANE_ACTION_GET_VALUE:
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*(SANE_Word *) value = optionResolutionValue;
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break;
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}
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return SANE_STATUS_GOOD;
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}
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/*
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This option lets the user select a gray scale scan
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*/
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static SANE_Word optionGrayscaleValue = SANE_FALSE;
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static SANE_Option_Descriptor optionGrayscaleDescriptor = {
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"gray",
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SANE_I18N ("Grayscale scan"),
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SANE_I18N ("Do a grayscale rather than color scan"),
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SANE_TYPE_BOOL,
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SANE_UNIT_NONE,
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sizeof (SANE_Word),
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SANE_CAP_SOFT_SELECT | SANE_CAP_SOFT_DETECT,
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SANE_CONSTRAINT_NONE,
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{NULL}
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};
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static SANE_Status
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optionGrayscaleCallback (SANE_Option * option, SANE_Handle handle,
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SANE_Action action, void *value, SANE_Int * info)
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{
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handle = handle;
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option = option; /* Eliminate warning about unused parameters */
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switch (action)
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{
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case SANE_ACTION_SET_AUTO:
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return SANE_STATUS_INVAL;
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break;
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case SANE_ACTION_SET_VALUE:
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*info |= SANE_INFO_RELOAD_PARAMS;
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optionGrayscaleValue = *(SANE_Bool *) value;
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break;
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case SANE_ACTION_GET_VALUE:
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*(SANE_Word *) value = optionGrayscaleValue;
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break;
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}
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return SANE_STATUS_GOOD;
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}
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/*
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This option is a button that allows the user to turn off the
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lamp in the UMAX scanner
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*/
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static SANE_Option_Descriptor optionLampOffDescriptor = {
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"lamp-off",
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SANE_I18N ("Lamp off"),
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SANE_I18N ("Turn off scanner lamp"),
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SANE_TYPE_BUTTON,
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SANE_UNIT_NONE,
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0,
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SANE_CAP_SOFT_SELECT,
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SANE_CONSTRAINT_NONE,
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{NULL}
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};
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static SANE_Status
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optionLampOffCallback (SANE_Option * option, SANE_Handle handle,
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SANE_Action action, void *value, SANE_Int * info)
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{
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Umax_Scanner *scanner = handle;
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SANE_Status res = SANE_STATUS_GOOD;
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/* Eliminate warnings about unused parameters */
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option = option;
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handle = handle;
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info = info;
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value = value;
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if (action != SANE_ACTION_SET_VALUE)
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return SANE_STATUS_INVAL;
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res = UMAX_set_lamp_state (&scanner->scan, UMAX_LAMP_OFF);
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return res;
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}
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static const SANE_Range widthRange = {
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0, /* minimum */
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SANE_FIX (UMAX_MAX_WIDTH * MM_IN_INCH / 600), /* maximum */
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0 /* quantization */
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};
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static const SANE_Range heightRange = {
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0, /* minimum */
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SANE_FIX (UMAX_MAX_HEIGHT * MM_IN_INCH / 600), /* maximum */
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0 /* quantization */
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};
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/*
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This option controls the top-left-x corner of the scan
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*/
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static SANE_Fixed optionTopLeftXValue = 0;
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static SANE_Option_Descriptor optionTopLeftXDescriptor = {
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SANE_NAME_SCAN_TL_X,
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SANE_TITLE_SCAN_TL_X,
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SANE_DESC_SCAN_TL_X,
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SANE_TYPE_FIXED,
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SANE_UNIT_MM,
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sizeof (SANE_Fixed),
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SANE_CAP_SOFT_SELECT | SANE_CAP_SOFT_DETECT,
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SANE_CONSTRAINT_RANGE,
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{(const SANE_String_Const *) & widthRange}
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};
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static SANE_Status
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optionTopLeftXCallback (SANE_Option * option, SANE_Handle handle,
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SANE_Action action, void *value, SANE_Int * info)
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{
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option = option;
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handle = handle;
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value = value; /* Eliminate warning about unused parameters */
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switch (action)
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{
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case SANE_ACTION_SET_AUTO:
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return SANE_STATUS_INVAL;
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break;
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case SANE_ACTION_SET_VALUE:
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optionTopLeftXValue = *(SANE_Fixed *) value;
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*info |= SANE_INFO_RELOAD_PARAMS;
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break;
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case SANE_ACTION_GET_VALUE:
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*(SANE_Fixed *) value = optionTopLeftXValue;
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break;
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}
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return SANE_STATUS_GOOD;
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}
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/*
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This option controls the top-left-y corner of the scan
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*/
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static SANE_Fixed optionTopLeftYValue = 0;
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static SANE_Option_Descriptor optionTopLeftYDescriptor = {
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SANE_NAME_SCAN_TL_Y,
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SANE_TITLE_SCAN_TL_Y,
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SANE_DESC_SCAN_TL_Y,
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SANE_TYPE_FIXED,
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SANE_UNIT_MM,
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sizeof (SANE_Fixed),
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SANE_CAP_SOFT_SELECT | SANE_CAP_SOFT_DETECT,
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SANE_CONSTRAINT_RANGE,
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{(const SANE_String_Const *) & heightRange}
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};
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static SANE_Status
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optionTopLeftYCallback (SANE_Option * option, SANE_Handle handle,
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SANE_Action action, void *value, SANE_Int * info)
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{
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/* Eliminate warnings about unused parameters */
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option = option;
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handle = handle;
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switch (action)
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{
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case SANE_ACTION_SET_AUTO:
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return SANE_STATUS_INVAL;
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break;
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case SANE_ACTION_SET_VALUE:
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optionTopLeftYValue = *(SANE_Fixed *) value;
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*info |= SANE_INFO_RELOAD_PARAMS;
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break;
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case SANE_ACTION_GET_VALUE:
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*(SANE_Fixed *) value = optionTopLeftYValue;
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break;
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}
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return SANE_STATUS_GOOD;
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}
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/*
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This option controls the bot-right-x corner of the scan
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*/
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static SANE_Fixed optionBotRightXValue = 0;
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static SANE_Option_Descriptor optionBotRightXDescriptor = {
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SANE_NAME_SCAN_BR_X,
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SANE_TITLE_SCAN_BR_X,
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SANE_DESC_SCAN_BR_X,
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SANE_TYPE_FIXED,
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SANE_UNIT_MM,
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sizeof (SANE_Fixed),
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SANE_CAP_SOFT_SELECT | SANE_CAP_SOFT_DETECT,
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SANE_CONSTRAINT_RANGE,
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{(const SANE_String_Const *) & widthRange}
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};
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static SANE_Status
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optionBotRightXCallback (SANE_Option * option, SANE_Handle handle,
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SANE_Action action, void *value, SANE_Int * info)
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{
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/* Eliminate warnings about unused parameters */
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option = option;
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handle = handle;
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switch (action)
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{
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case SANE_ACTION_SET_AUTO:
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return SANE_STATUS_INVAL;
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break;
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case SANE_ACTION_SET_VALUE:
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optionBotRightXValue = *(SANE_Fixed *) value;
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*info |= SANE_INFO_RELOAD_PARAMS;
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break;
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case SANE_ACTION_GET_VALUE:
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*(SANE_Fixed *) value = optionBotRightXValue;
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break;
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}
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return SANE_STATUS_GOOD;
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}
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/*
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This option controls the bot-right-y corner of the scan
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*/
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static SANE_Fixed optionBotRightYValue = 0;
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static SANE_Option_Descriptor optionBotRightYDescriptor = {
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SANE_NAME_SCAN_BR_Y,
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SANE_TITLE_SCAN_BR_Y,
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SANE_DESC_SCAN_BR_Y,
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SANE_TYPE_FIXED,
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SANE_UNIT_MM,
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sizeof (SANE_Fixed),
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SANE_CAP_SOFT_SELECT | SANE_CAP_SOFT_DETECT,
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SANE_CONSTRAINT_RANGE,
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{(const SANE_String_Const *) & heightRange}
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};
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static SANE_Status
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optionBotRightYCallback (SANE_Option * option, SANE_Handle handle,
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SANE_Action action, void *value, SANE_Int * info)
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{
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/* Eliminate warnings about unused parameters */
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option = option;
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handle = handle;
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switch (action)
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{
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case SANE_ACTION_SET_AUTO:
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return SANE_STATUS_INVAL;
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break;
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case SANE_ACTION_SET_VALUE:
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optionBotRightYValue = *(SANE_Fixed *) value;
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*info |= SANE_INFO_RELOAD_PARAMS;
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break;
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case SANE_ACTION_GET_VALUE:
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*(SANE_Fixed *) value = optionBotRightYValue;
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break;
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}
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return SANE_STATUS_GOOD;
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}
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/*
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The following array binds the option descriptors to
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their respective callback routines
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*/
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static SANE_Option so[] = {
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{&optionNumOptionsDescriptor, optionNumOptionsCallback},
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{&optionResolutionDescriptor, optionResolutionCallback},
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{&optionGrayscaleDescriptor, optionGrayscaleCallback},
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{&optionTopLeftXDescriptor, optionTopLeftXCallback},
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{&optionTopLeftYDescriptor, optionTopLeftYCallback},
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{&optionBotRightXDescriptor, optionBotRightXCallback},
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{&optionBotRightYDescriptor, optionBotRightYCallback},
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{&optionLampOffDescriptor, optionLampOffCallback}
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};
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static SANE_Word
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getNumberOfOptions (void)
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{
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return NELEMS (so);
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}
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/*
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This routine dispatches the control message to the appropriate
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callback routine, it outght to be called by sane_control_option
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after any driver specific validation.
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*/
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static SANE_Status
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dispatch_control_option (SANE_Handle handle, SANE_Int option,
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SANE_Action action, void *value, SANE_Int * info)
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{
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SANE_Option *op = so + option;
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SANE_Int myinfo = 0;
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SANE_Status status = SANE_STATUS_GOOD;
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if (option < 0 || option >= NELEMS (so))
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return SANE_STATUS_INVAL; /* Unknown option ... */
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if ((action == SANE_ACTION_SET_VALUE) &&
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((op->descriptor->cap & SANE_CAP_SOFT_SELECT) == 0))
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return SANE_STATUS_INVAL;
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if ((action == SANE_ACTION_GET_VALUE) &&
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((op->descriptor->cap & SANE_CAP_SOFT_DETECT) == 0))
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return SANE_STATUS_INVAL;
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if ((action == SANE_ACTION_SET_AUTO) &&
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((op->descriptor->cap & SANE_CAP_AUTOMATIC) == 0))
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return SANE_STATUS_INVAL;
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if (action == SANE_ACTION_SET_VALUE)
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{
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status = sanei_constrain_value (op->descriptor, value, &myinfo);
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if (status != SANE_STATUS_GOOD)
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return status;
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}
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status = (op->callback) (op, handle, action, value, &myinfo);
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if (info)
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*info = myinfo;
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return status;
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}
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static SANE_Status
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attach_scanner (const char *devicename, Umax_Device ** devp)
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{
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UMAX_Handle scan;
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Umax_Device *dev;
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SANE_Status status;
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DBG (3, "attach_scanner: %s\n", devicename);
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for (dev = first_dev; dev; dev = dev->next)
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{
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if (strcmp (dev->sane.name, devicename) == 0)
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|
{
|
|
if (devp)
|
|
*devp = dev;
|
|
return SANE_STATUS_GOOD;
|
|
}
|
|
}
|
|
|
|
dev = malloc (sizeof (*dev));
|
|
if (!dev)
|
|
return SANE_STATUS_NO_MEM;
|
|
memset (dev, '\0', sizeof (Umax_Device)); /* clear structure */
|
|
|
|
DBG (4, "attach_scanner: opening %s\n", devicename);
|
|
|
|
status = UMAX_open_device (&scan, devicename);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (1, "ERROR: attach_scanner: opening %s failed\n", devicename);
|
|
free (dev);
|
|
return status;
|
|
}
|
|
dev->name = strdup (devicename);
|
|
dev->sane.name = dev->name;
|
|
dev->sane.vendor = "UMAX";
|
|
dev->sane.model = UMAX_get_device_name (&scan);
|
|
dev->sane.type = "flatbed scanner";
|
|
UMAX_close_device (&scan);
|
|
|
|
++num_devices;
|
|
dev->next = first_dev;
|
|
first_dev = dev;
|
|
|
|
if (devp)
|
|
*devp = dev;
|
|
return SANE_STATUS_GOOD;
|
|
}
|
|
|
|
/* callback function for sanei_usb_attach_matching_devices
|
|
*/
|
|
static SANE_Status
|
|
attach_one (const char *name)
|
|
{
|
|
attach_scanner (name, 0);
|
|
return SANE_STATUS_GOOD;
|
|
}
|
|
|
|
/* This file implements a SANE backend for the UMAX Astra 1220U scanner.
|
|
*/
|
|
SANE_Status
|
|
sane_init (SANE_Int * version_code, SANE_Auth_Callback authorize)
|
|
{
|
|
char config_line[PATH_MAX];
|
|
size_t len;
|
|
FILE *fp;
|
|
|
|
DBG_INIT ();
|
|
|
|
DBG (2, "sane_init: version_code %s 0, authorize %s 0\n",
|
|
version_code == 0 ? "=" : "!=", authorize == 0 ? "=" : "!=");
|
|
DBG (1, "sane_init: SANE umax1220u backend version %d.%d.%d from %s\n",
|
|
SANE_CURRENT_MAJOR, V_MINOR, BUILD, PACKAGE_STRING);
|
|
|
|
if (version_code)
|
|
*version_code = SANE_VERSION_CODE (SANE_CURRENT_MAJOR, V_MINOR, BUILD);
|
|
|
|
sanei_usb_init ();
|
|
sanei_pv8630_init ();
|
|
|
|
fp = sanei_config_open (UMAX_CONFIG_FILE);
|
|
if (!fp)
|
|
{
|
|
/* no config-file: try /dev/scanner and /dev/usbscanner. */
|
|
attach_scanner ("/dev/scanner", 0);
|
|
attach_scanner ("/dev/usbscanner", 0);
|
|
return SANE_STATUS_GOOD;
|
|
}
|
|
|
|
DBG (3, "reading configure file %s\n", UMAX_CONFIG_FILE);
|
|
|
|
while (sanei_config_read (config_line, sizeof (config_line), fp))
|
|
{
|
|
if (config_line[0] == '#')
|
|
continue; /* ignore line comments */
|
|
|
|
len = strlen (config_line);
|
|
|
|
if (!len)
|
|
continue; /* ignore empty lines */
|
|
|
|
DBG (4, "attach_matching_devices(%s)\n", config_line);
|
|
sanei_usb_attach_matching_devices (config_line, attach_one);
|
|
}
|
|
|
|
DBG (4, "finished reading configure file\n");
|
|
|
|
fclose (fp);
|
|
|
|
return SANE_STATUS_GOOD;
|
|
}
|
|
|
|
void
|
|
sane_exit (void)
|
|
{
|
|
Umax_Device *dev, *next;
|
|
|
|
DBG (3, "sane_exit\n");
|
|
|
|
for (dev = first_dev; dev; dev = next)
|
|
{
|
|
next = dev->next;
|
|
free (dev->name);
|
|
free (dev);
|
|
}
|
|
|
|
if (devlist)
|
|
free (devlist);
|
|
return;
|
|
}
|
|
|
|
SANE_Status
|
|
sane_get_devices (const SANE_Device *** device_list, SANE_Bool local_only)
|
|
{
|
|
Umax_Device *dev;
|
|
int i;
|
|
|
|
DBG (3, "sane_get_devices(local_only = %d)\n", local_only);
|
|
|
|
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;
|
|
|
|
return SANE_STATUS_GOOD;
|
|
}
|
|
|
|
SANE_Status
|
|
sane_open (SANE_String_Const devicename, SANE_Handle * handle)
|
|
{
|
|
Umax_Device *dev;
|
|
SANE_Status status;
|
|
Umax_Scanner *scanner;
|
|
|
|
DBG (3, "sane_open\n");
|
|
|
|
if (devicename[0]) /* search for devicename */
|
|
{
|
|
DBG (4, "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 (2, "sane_open: no devicename, opening first device\n");
|
|
dev = first_dev;
|
|
}
|
|
|
|
if (!dev)
|
|
return SANE_STATUS_INVAL;
|
|
|
|
scanner = malloc (sizeof (*scanner));
|
|
if (!scanner)
|
|
return SANE_STATUS_NO_MEM;
|
|
|
|
memset (scanner, 0, sizeof (*scanner));
|
|
scanner->device = dev;
|
|
|
|
status = UMAX_open_device (&scanner->scan, dev->sane.name);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
free (scanner);
|
|
return status;
|
|
}
|
|
|
|
*handle = scanner;
|
|
|
|
/* insert newly opened handle into list of open handles: */
|
|
scanner->next = first_handle;
|
|
|
|
first_handle = scanner;
|
|
|
|
return SANE_STATUS_GOOD;
|
|
}
|
|
|
|
void
|
|
sane_close (SANE_Handle handle)
|
|
{
|
|
Umax_Scanner *prev, *scanner;
|
|
SANE_Status res;
|
|
|
|
DBG (3, "sane_close\n");
|
|
|
|
if (!first_handle)
|
|
{
|
|
DBG (1, "ERROR: sane_close: no handles opened\n");
|
|
return;
|
|
}
|
|
|
|
/* remove handle from list of open handles: */
|
|
|
|
prev = NULL;
|
|
|
|
for (scanner = first_handle; scanner; scanner = scanner->next)
|
|
{
|
|
if (scanner == handle)
|
|
break;
|
|
|
|
prev = scanner;
|
|
}
|
|
|
|
if (!scanner)
|
|
{
|
|
DBG (1, "ERROR: sane_close: invalid handle %p\n", handle);
|
|
return; /* oops, not a handle we know about */
|
|
}
|
|
|
|
if (prev)
|
|
prev->next = scanner->next;
|
|
else
|
|
first_handle = scanner->next;
|
|
|
|
res = UMAX_close_device (&scanner->scan);
|
|
|
|
free (scanner);
|
|
}
|
|
|
|
const SANE_Option_Descriptor *
|
|
sane_get_option_descriptor (SANE_Handle handle, SANE_Int option)
|
|
{
|
|
handle = handle; /* Eliminate compiler warning */
|
|
|
|
DBG (3, "sane_get_option_descriptor: option = %d\n", option);
|
|
if (option < 0 || option >= NELEMS (so))
|
|
return NULL;
|
|
return so[option].descriptor;
|
|
}
|
|
|
|
SANE_Status
|
|
sane_control_option (SANE_Handle handle, SANE_Int option,
|
|
SANE_Action action, void *value, SANE_Int * info)
|
|
{
|
|
handle = handle; /* Eliminate compiler warning */
|
|
|
|
DBG (3,
|
|
"sane_control_option: handle=%p, opt=%d, act=%d, val=%p, info=%p\n",
|
|
handle, option, action, value, (void*) info);
|
|
|
|
return dispatch_control_option (handle, option, action, value, info);
|
|
}
|
|
|
|
SANE_Status
|
|
sane_get_parameters (SANE_Handle handle, SANE_Parameters * params)
|
|
{
|
|
int rc = SANE_STATUS_GOOD;
|
|
int w =
|
|
SANE_UNFIX (optionBotRightXValue -
|
|
optionTopLeftXValue) / MM_IN_INCH * optionResolutionValue;
|
|
int h =
|
|
SANE_UNFIX (optionBotRightYValue -
|
|
optionTopLeftYValue) / MM_IN_INCH * optionResolutionValue;
|
|
|
|
handle = handle; /* Eliminate compiler warning */
|
|
|
|
DBG (3, "sane_get_parameters\n");
|
|
parms.depth = 8;
|
|
parms.last_frame = SANE_TRUE;
|
|
parms.pixels_per_line = w;
|
|
parms.lines = h;
|
|
|
|
if (optionGrayscaleValue == SANE_TRUE)
|
|
{
|
|
parms.format = SANE_FRAME_GRAY;
|
|
parms.bytes_per_line = w;
|
|
}
|
|
else
|
|
{
|
|
parms.format = SANE_FRAME_RGB;
|
|
parms.bytes_per_line = w * 3;
|
|
}
|
|
*params = parms;
|
|
return rc;
|
|
}
|
|
|
|
SANE_Status
|
|
sane_start (SANE_Handle handle)
|
|
{
|
|
Umax_Scanner *scanner = handle;
|
|
SANE_Status res;
|
|
|
|
DBG (3, "sane_start\n");
|
|
|
|
res = UMAX_set_scan_parameters (&scanner->scan,
|
|
optionGrayscaleValue == SANE_FALSE,
|
|
SANE_UNFIX (optionTopLeftXValue) /
|
|
MM_IN_INCH * 600,
|
|
SANE_UNFIX (optionTopLeftYValue) /
|
|
MM_IN_INCH * 600,
|
|
SANE_UNFIX (optionBotRightXValue -
|
|
optionTopLeftXValue) /
|
|
MM_IN_INCH * optionResolutionValue,
|
|
SANE_UNFIX (optionBotRightYValue -
|
|
optionTopLeftYValue) /
|
|
MM_IN_INCH * optionResolutionValue,
|
|
optionResolutionValue,
|
|
optionResolutionValue);
|
|
|
|
if (res != SANE_STATUS_GOOD)
|
|
return res;
|
|
|
|
if (scanner->scan.model == ASTRA_1220U)
|
|
return UMAX_start_scan (&scanner->scan);
|
|
else
|
|
return UMAX_start_scan_2100U (&scanner->scan);
|
|
}
|
|
|
|
SANE_Status
|
|
sane_read (SANE_Handle handle, SANE_Byte * data,
|
|
SANE_Int max_length, SANE_Int * length)
|
|
{
|
|
Umax_Scanner *scanner = handle;
|
|
SANE_Status res;
|
|
int len;
|
|
unsigned char rgb[3];
|
|
|
|
len = *length = 0;
|
|
|
|
if (!data || !length)
|
|
return SANE_STATUS_INVAL;
|
|
|
|
if (scanner->scan.done)
|
|
{
|
|
res = UMAX_finish_scan (&scanner->scan);
|
|
|
|
if (scanner->scan.model == ASTRA_1220U)
|
|
res = UMAX_park_head (&scanner->scan);
|
|
else
|
|
res = UMAX_park_head_2100U (&scanner->scan);
|
|
|
|
return SANE_STATUS_EOF;
|
|
}
|
|
|
|
DBG (3, "sane_read: max_length = %d\n", max_length);
|
|
|
|
if (optionGrayscaleValue == SANE_FALSE)
|
|
{
|
|
while (!scanner->scan.done && (max_length >= 3))
|
|
{
|
|
res = UMAX_get_rgb (&scanner->scan, rgb);
|
|
if (res != SANE_STATUS_GOOD)
|
|
{
|
|
*length = 0;
|
|
return res;
|
|
}
|
|
*data++ = rgb[0];
|
|
*data++ = rgb[1];
|
|
*data++ = rgb[2];
|
|
max_length -= 3;
|
|
len += 3;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
while (!scanner->scan.done && max_length)
|
|
{
|
|
res = UMAX_get_rgb (&scanner->scan, rgb);
|
|
if (res != SANE_STATUS_GOOD)
|
|
{
|
|
*length = 0;
|
|
return res;
|
|
}
|
|
*data++ = rgb[0];
|
|
max_length--;
|
|
len++;
|
|
}
|
|
}
|
|
|
|
*length = len;
|
|
return SANE_STATUS_GOOD;
|
|
}
|
|
|
|
void
|
|
sane_cancel (SANE_Handle handle)
|
|
{
|
|
DBG (3, "sane_cancel: handle = %p\n", handle);
|
|
DBG (3, "sane_cancel: canceling is unsupported in this backend\n");
|
|
}
|
|
|
|
SANE_Status
|
|
sane_set_io_mode (SANE_Handle handle, SANE_Bool non_blocking)
|
|
{
|
|
DBG (3, "sane_set_io_mode: handle = %p, non_blocking = %d\n", handle,
|
|
non_blocking);
|
|
if (non_blocking != SANE_FALSE)
|
|
return SANE_STATUS_UNSUPPORTED;
|
|
return SANE_STATUS_GOOD;
|
|
}
|
|
|
|
SANE_Status
|
|
sane_get_select_fd (SANE_Handle handle, SANE_Int * fd)
|
|
{
|
|
DBG (3, "sane_get_select_fd: handle = %p, fd %s 0\n", handle,
|
|
fd ? "!=" : "=");
|
|
return SANE_STATUS_UNSUPPORTED;
|
|
}
|