414 lines
12 KiB
C
414 lines
12 KiB
C
|
/*
|
||
|
|
* Unix library interface for SANE
|
||
|
|
*
|
||
|
|
* Copyright 2000 Shi Quan He
|
||
|
|
* Copyright 2021 Alexandre Julliard
|
||
|
|
*
|
||
|
|
* This library is free software; you can redistribute it and/or
|
||
|
|
* modify it under the terms of the GNU Lesser General Public
|
||
|
|
* License as published by the Free Software Foundation; either
|
||
|
|
* version 2.1 of the License, or (at your option) any later version.
|
||
|
|
*
|
||
|
|
* This library is distributed in the hope that it will be useful,
|
||
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||
|
|
* Lesser General Public License for more details.
|
||
|
|
*
|
||
|
|
* You should have received a copy of the GNU Lesser General Public
|
||
|
|
* License along with this library; if not, write to the Free Software
|
||
|
|
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
|
||
|
|
*/
|
||
|
|
|
||
|
|
#if 0
|
||
|
|
#pragma makedep unix
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#include "config.h"
|
||
|
|
|
||
|
|
#include <stdarg.h>
|
||
|
|
#include <stdlib.h>
|
||
|
|
#include <sane/sane.h>
|
||
|
|
#include <sane/saneopts.h>
|
||
|
|
|
||
|
|
#include "ntstatus.h"
|
||
|
|
#define WIN32_NO_STATUS
|
||
|
|
#include "unixlib.h"
|
||
|
|
#include "wine/list.h"
|
||
|
|
#include "wine/debug.h"
|
||
|
|
|
||
|
|
WINE_DEFAULT_DEBUG_CHANNEL(twain);
|
||
|
|
|
||
|
|
static SANE_Handle device_handle;
|
||
|
|
static BOOL device_started;
|
||
|
|
static const SANE_Device **device_list;
|
||
|
|
|
||
|
|
/* Sane returns device names that are longer than the 32 bytes allowed
|
||
|
|
by TWAIN. However, it colon separates them, and the last bit is
|
||
|
|
the most interesting. So we use the last bit, and add a signature
|
||
|
|
to ensure uniqueness */
|
||
|
|
static void copy_sane_short_name(const char *in, char *out, size_t outsize)
|
||
|
|
{
|
||
|
|
const char *p;
|
||
|
|
int signature = 0;
|
||
|
|
|
||
|
|
if (strlen(in) <= outsize - 1)
|
||
|
|
{
|
||
|
|
strcpy(out, in);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
for (p = in; *p; p++)
|
||
|
|
signature += *p;
|
||
|
|
|
||
|
|
p = strrchr(in, ':');
|
||
|
|
if (!p)
|
||
|
|
p = in;
|
||
|
|
else
|
||
|
|
p++;
|
||
|
|
|
||
|
|
if (strlen(p) > outsize - 7 - 1)
|
||
|
|
p += strlen(p) - (outsize - 7 - 1);
|
||
|
|
|
||
|
|
strcpy(out, p);
|
||
|
|
sprintf(out + strlen(out), "(%04X)", signature % 0x10000);
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
static void detect_sane_devices(void)
|
||
|
|
{
|
||
|
|
if (device_list && device_list[0]) return;
|
||
|
|
TRACE("detecting sane...\n");
|
||
|
|
sane_get_devices( &device_list, SANE_FALSE );
|
||
|
|
}
|
||
|
|
|
||
|
|
static TW_UINT16 sane_status_to_twcc(SANE_Status rc)
|
||
|
|
{
|
||
|
|
switch (rc)
|
||
|
|
{
|
||
|
|
case SANE_STATUS_GOOD:
|
||
|
|
return TWCC_SUCCESS;
|
||
|
|
case SANE_STATUS_UNSUPPORTED:
|
||
|
|
return TWCC_CAPUNSUPPORTED;
|
||
|
|
case SANE_STATUS_JAMMED:
|
||
|
|
return TWCC_PAPERJAM;
|
||
|
|
case SANE_STATUS_NO_MEM:
|
||
|
|
return TWCC_LOWMEMORY;
|
||
|
|
case SANE_STATUS_ACCESS_DENIED:
|
||
|
|
return TWCC_DENIED;
|
||
|
|
|
||
|
|
case SANE_STATUS_IO_ERROR:
|
||
|
|
case SANE_STATUS_NO_DOCS:
|
||
|
|
case SANE_STATUS_COVER_OPEN:
|
||
|
|
case SANE_STATUS_EOF:
|
||
|
|
case SANE_STATUS_INVAL:
|
||
|
|
case SANE_STATUS_CANCELLED:
|
||
|
|
case SANE_STATUS_DEVICE_BUSY:
|
||
|
|
default:
|
||
|
|
return TWCC_BUMMER;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
static int map_type( SANE_Value_Type type )
|
||
|
|
{
|
||
|
|
switch (type)
|
||
|
|
{
|
||
|
|
case SANE_TYPE_BOOL: return TYPE_BOOL;
|
||
|
|
case SANE_TYPE_INT: return TYPE_INT;
|
||
|
|
case SANE_TYPE_FIXED: return TYPE_FIXED;
|
||
|
|
case SANE_TYPE_STRING: return TYPE_STRING;
|
||
|
|
case SANE_TYPE_BUTTON: return TYPE_BUTTON;
|
||
|
|
case SANE_TYPE_GROUP: return TYPE_GROUP;
|
||
|
|
default: return -1;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
static int map_unit( SANE_Unit unit )
|
||
|
|
{
|
||
|
|
switch (unit)
|
||
|
|
{
|
||
|
|
case SANE_UNIT_NONE: return UNIT_NONE;
|
||
|
|
case SANE_UNIT_PIXEL: return UNIT_PIXEL;
|
||
|
|
case SANE_UNIT_BIT: return UNIT_BIT;
|
||
|
|
case SANE_UNIT_MM: return UNIT_MM;
|
||
|
|
case SANE_UNIT_DPI: return UNIT_DPI;
|
||
|
|
case SANE_UNIT_PERCENT: return UNIT_PERCENT;
|
||
|
|
case SANE_UNIT_MICROSECOND: return UNIT_MICROSECOND;
|
||
|
|
default: return -1;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
static int map_constraint_type( SANE_Constraint_Type type )
|
||
|
|
{
|
||
|
|
switch (type)
|
||
|
|
{
|
||
|
|
case SANE_CONSTRAINT_NONE: return CONSTRAINT_NONE;
|
||
|
|
case SANE_CONSTRAINT_RANGE: return CONSTRAINT_RANGE;
|
||
|
|
case SANE_CONSTRAINT_WORD_LIST: return CONSTRAINT_WORD_LIST;
|
||
|
|
case SANE_CONSTRAINT_STRING_LIST: return CONSTRAINT_STRING_LIST;
|
||
|
|
default: return CONSTRAINT_NONE;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
static void map_descr( struct option_descriptor *descr, const SANE_Option_Descriptor *opt )
|
||
|
|
{
|
||
|
|
unsigned int i, size, len = 0;
|
||
|
|
WCHAR *p;
|
||
|
|
|
||
|
|
descr->type = map_type( opt->type );
|
||
|
|
descr->unit = map_unit( opt->unit );
|
||
|
|
descr->constraint_type = map_constraint_type( opt->constraint_type );
|
||
|
|
descr->size = opt->size;
|
||
|
|
descr->is_active = SANE_OPTION_IS_ACTIVE( opt->cap );
|
||
|
|
if (opt->title) len = ntdll_umbstowcs( opt->title, strlen(opt->title),
|
||
|
|
descr->title, ARRAY_SIZE(descr->title) );
|
||
|
|
descr->title[len] = 0;
|
||
|
|
switch (descr->constraint_type)
|
||
|
|
{
|
||
|
|
case CONSTRAINT_RANGE:
|
||
|
|
descr->constraint.range.min = opt->constraint.range->min;
|
||
|
|
descr->constraint.range.max = opt->constraint.range->max;
|
||
|
|
descr->constraint.range.quant = opt->constraint.range->quant;
|
||
|
|
break;
|
||
|
|
case CONSTRAINT_WORD_LIST:
|
||
|
|
size = min( opt->constraint.word_list[0], ARRAY_SIZE(descr->constraint.word_list) - 1 );
|
||
|
|
descr->constraint.word_list[0] = size;
|
||
|
|
for (i = 1; i <= size; i++) descr->constraint.word_list[i] = opt->constraint.word_list[i];
|
||
|
|
break;
|
||
|
|
case CONSTRAINT_STRING_LIST:
|
||
|
|
p = descr->constraint.strings;
|
||
|
|
size = ARRAY_SIZE(descr->constraint.strings) - 1;
|
||
|
|
for (i = 0; size && opt->constraint.string_list[i]; i++)
|
||
|
|
{
|
||
|
|
len = ntdll_umbstowcs( opt->constraint.string_list[i], strlen(opt->constraint.string_list[i]),
|
||
|
|
p, size );
|
||
|
|
p[len++] = 0;
|
||
|
|
size -= len;
|
||
|
|
p += len;
|
||
|
|
}
|
||
|
|
*p = 0;
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
static NTSTATUS process_attach( void *args )
|
||
|
|
{
|
||
|
|
SANE_Int version_code;
|
||
|
|
|
||
|
|
sane_init( &version_code, NULL );
|
||
|
|
return STATUS_SUCCESS;
|
||
|
|
}
|
||
|
|
|
||
|
|
static NTSTATUS process_detach( void *args )
|
||
|
|
{
|
||
|
|
sane_exit();
|
||
|
|
return STATUS_SUCCESS;
|
||
|
|
}
|
||
|
|
|
||
|
|
static NTSTATUS get_identity( void *args )
|
||
|
|
{
|
||
|
|
struct get_identity_params *params = args;
|
||
|
|
TW_IDENTITY *id = params->id;
|
||
|
|
static int cur_dev;
|
||
|
|
|
||
|
|
detect_sane_devices();
|
||
|
|
if (!device_list[cur_dev]) return STATUS_DEVICE_NOT_CONNECTED;
|
||
|
|
id->ProtocolMajor = TWON_PROTOCOLMAJOR;
|
||
|
|
id->ProtocolMinor = TWON_PROTOCOLMINOR;
|
||
|
|
id->SupportedGroups = DG_CONTROL | DG_IMAGE | DF_DS2;
|
||
|
|
copy_sane_short_name(device_list[cur_dev]->name, id->ProductName, sizeof(id->ProductName) - 1);
|
||
|
|
lstrcpynA (id->Manufacturer, device_list[cur_dev]->vendor, sizeof(id->Manufacturer) - 1);
|
||
|
|
lstrcpynA (id->ProductFamily, device_list[cur_dev]->model, sizeof(id->ProductFamily) - 1);
|
||
|
|
cur_dev++;
|
||
|
|
|
||
|
|
if (!device_list[cur_dev] || !device_list[cur_dev]->model ||
|
||
|
|
!device_list[cur_dev]->vendor ||
|
||
|
|
!device_list[cur_dev]->name)
|
||
|
|
cur_dev = 0; /* wrap to begin */
|
||
|
|
|
||
|
|
return STATUS_SUCCESS;
|
||
|
|
}
|
||
|
|
|
||
|
|
static NTSTATUS open_ds( void *args )
|
||
|
|
{
|
||
|
|
struct open_ds_params *params = args;
|
||
|
|
TW_IDENTITY *id = params->id;
|
||
|
|
SANE_Status status;
|
||
|
|
int i;
|
||
|
|
|
||
|
|
detect_sane_devices();
|
||
|
|
if (!device_list[0])
|
||
|
|
{
|
||
|
|
ERR("No scanners? We should not get to OpenDS?\n");
|
||
|
|
return STATUS_DEVICE_NOT_CONNECTED;
|
||
|
|
}
|
||
|
|
|
||
|
|
for (i = 0; device_list[i] && device_list[i]->model; i++)
|
||
|
|
{
|
||
|
|
TW_STR32 name;
|
||
|
|
|
||
|
|
/* To make string as short as above */
|
||
|
|
lstrcpynA(name, device_list[i]->vendor, sizeof(name)-1);
|
||
|
|
if (*id->Manufacturer && strcmp(name, id->Manufacturer))
|
||
|
|
continue;
|
||
|
|
lstrcpynA(name, device_list[i]->model, sizeof(name)-1);
|
||
|
|
if (*id->ProductFamily && strcmp(name, id->ProductFamily))
|
||
|
|
continue;
|
||
|
|
copy_sane_short_name(device_list[i]->name, name, sizeof(name) - 1);
|
||
|
|
if (*id->ProductName && strcmp(name, id->ProductName))
|
||
|
|
continue;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
if (!device_list[i]) {
|
||
|
|
WARN("Scanner not found.\n");
|
||
|
|
return STATUS_DEVICE_NOT_CONNECTED;
|
||
|
|
}
|
||
|
|
status = sane_open( device_list[i]->name, &device_handle );
|
||
|
|
if (status == SANE_STATUS_GOOD) return STATUS_SUCCESS;
|
||
|
|
|
||
|
|
ERR("sane_open(%s): %s\n", device_list[i]->name, sane_strstatus (status));
|
||
|
|
return STATUS_DEVICE_NOT_CONNECTED;
|
||
|
|
}
|
||
|
|
|
||
|
|
static NTSTATUS close_ds( void *args )
|
||
|
|
{
|
||
|
|
if (device_handle) sane_close( device_handle );
|
||
|
|
device_handle = NULL;
|
||
|
|
device_started = FALSE;
|
||
|
|
return STATUS_SUCCESS;
|
||
|
|
}
|
||
|
|
|
||
|
|
static NTSTATUS start_device( void *args )
|
||
|
|
{
|
||
|
|
SANE_Status status;
|
||
|
|
|
||
|
|
if (device_started) return STATUS_SUCCESS;
|
||
|
|
status = sane_start( device_handle );
|
||
|
|
if (status != SANE_STATUS_GOOD)
|
||
|
|
{
|
||
|
|
TRACE("sane_start returns %s\n", sane_strstatus(status));
|
||
|
|
return STATUS_DEVICE_NOT_CONNECTED;
|
||
|
|
}
|
||
|
|
device_started = TRUE;
|
||
|
|
return STATUS_SUCCESS;
|
||
|
|
}
|
||
|
|
|
||
|
|
static NTSTATUS cancel_device( void *args )
|
||
|
|
{
|
||
|
|
if (device_started) sane_cancel( device_handle );
|
||
|
|
device_started = FALSE;
|
||
|
|
return STATUS_SUCCESS;
|
||
|
|
}
|
||
|
|
|
||
|
|
static NTSTATUS read_data( void *args )
|
||
|
|
{
|
||
|
|
struct read_data_params *params = args;
|
||
|
|
unsigned char *buffer = params->buffer;
|
||
|
|
int read_len, remaining = params->len;
|
||
|
|
SANE_Status status;
|
||
|
|
|
||
|
|
*params->retlen = 0;
|
||
|
|
while (remaining)
|
||
|
|
{
|
||
|
|
status = sane_read( device_handle, buffer, remaining, &read_len );
|
||
|
|
if (status != SANE_STATUS_GOOD) break;
|
||
|
|
*params->retlen += read_len;
|
||
|
|
buffer += read_len;
|
||
|
|
remaining -= read_len;
|
||
|
|
}
|
||
|
|
if (status == SANE_STATUS_EOF) return TWCC_SUCCESS;
|
||
|
|
return sane_status_to_twcc( status );
|
||
|
|
}
|
||
|
|
|
||
|
|
static NTSTATUS get_params( void *args )
|
||
|
|
{
|
||
|
|
struct frame_parameters *params = args;
|
||
|
|
SANE_Parameters sane_params;
|
||
|
|
|
||
|
|
if (sane_get_parameters( device_handle, &sane_params )) return STATUS_UNSUCCESSFUL;
|
||
|
|
|
||
|
|
switch (sane_params.format)
|
||
|
|
{
|
||
|
|
case SANE_FRAME_GRAY:
|
||
|
|
params->format = FMT_GRAY;
|
||
|
|
break;
|
||
|
|
case SANE_FRAME_RGB:
|
||
|
|
params->format = FMT_RGB;
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
ERR("Unhandled source frame format %i\n", sane_params.format);
|
||
|
|
params->format = FMT_OTHER;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
params->last_frame = sane_params.last_frame;
|
||
|
|
params->bytes_per_line = sane_params.bytes_per_line;
|
||
|
|
params->pixels_per_line = sane_params.pixels_per_line;
|
||
|
|
params->lines = sane_params.lines;
|
||
|
|
params->depth = sane_params.depth;
|
||
|
|
return STATUS_SUCCESS;
|
||
|
|
}
|
||
|
|
|
||
|
|
static NTSTATUS option_get_value( void *args )
|
||
|
|
{
|
||
|
|
struct option_get_value_params *params = args;
|
||
|
|
return sane_status_to_twcc( sane_control_option( device_handle, params->optno,
|
||
|
|
SANE_ACTION_GET_VALUE, params->val, NULL ));
|
||
|
|
}
|
||
|
|
|
||
|
|
static NTSTATUS option_set_value( void *args )
|
||
|
|
{
|
||
|
|
struct option_set_value_params *params = args;
|
||
|
|
int status = 0;
|
||
|
|
TW_UINT16 rc = sane_status_to_twcc( sane_control_option( device_handle, params->optno,
|
||
|
|
SANE_ACTION_SET_VALUE, params->val, &status ));
|
||
|
|
if (rc == TWCC_SUCCESS && params->reload)
|
||
|
|
*params->reload = (status & (SANE_INFO_RELOAD_OPTIONS | SANE_INFO_RELOAD_PARAMS | SANE_INFO_INEXACT)) != 0;
|
||
|
|
return rc;
|
||
|
|
}
|
||
|
|
|
||
|
|
static NTSTATUS option_get_descriptor( void *args )
|
||
|
|
{
|
||
|
|
struct option_descriptor *descr = args;
|
||
|
|
const SANE_Option_Descriptor *opt = sane_get_option_descriptor( device_handle, descr->optno );
|
||
|
|
|
||
|
|
if (!opt) return STATUS_NO_MORE_ENTRIES;
|
||
|
|
map_descr( descr, opt );
|
||
|
|
return STATUS_SUCCESS;
|
||
|
|
}
|
||
|
|
|
||
|
|
static NTSTATUS option_find_descriptor( void *args )
|
||
|
|
{
|
||
|
|
struct option_find_descriptor_params *params = args;
|
||
|
|
struct option_descriptor *descr = params->descr;
|
||
|
|
const SANE_Option_Descriptor *opt;
|
||
|
|
int i;
|
||
|
|
|
||
|
|
for (i = 1; (opt = sane_get_option_descriptor( device_handle, i )) != NULL; i++)
|
||
|
|
{
|
||
|
|
if (params->type != map_type( opt->type )) continue;
|
||
|
|
if (strcmp( params->name, opt->name )) continue;
|
||
|
|
descr->optno = i;
|
||
|
|
map_descr( descr, opt );
|
||
|
|
return STATUS_SUCCESS;
|
||
|
|
}
|
||
|
|
return STATUS_NO_MORE_ENTRIES;
|
||
|
|
}
|
||
|
|
|
||
|
|
unixlib_entry_t __wine_unix_call_funcs[] =
|
||
|
|
{
|
||
|
|
process_attach,
|
||
|
|
process_detach,
|
||
|
|
get_identity,
|
||
|
|
open_ds,
|
||
|
|
close_ds,
|
||
|
|
start_device,
|
||
|
|
cancel_device,
|
||
|
|
read_data,
|
||
|
|
get_params,
|
||
|
|
option_get_value,
|
||
|
|
option_set_value,
|
||
|
|
option_get_descriptor,
|
||
|
|
option_find_descriptor,
|
||
|
|
};
|