2002-03-21 03:58:39 +01:00
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/*
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* TWAIN32 Source Manager
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*
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* Copyright 2000 Corel Corporation
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but 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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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "config.h"
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#include <stdlib.h>
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2003-01-07 21:36:20 +01:00
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#define NONAMELESSUNION
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#define NONAMELESSSTRUCT
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2002-03-21 03:58:39 +01:00
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#include "winbase.h"
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#include "twain.h"
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#include "twain_i.h"
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(twain);
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/* DG_CONTROL/DAT_IDENTITY/MSG_CLOSEDS */
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2002-06-01 01:06:46 +02:00
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TW_UINT16 TWAIN_CloseDS (pTW_IDENTITY pOrigin, TW_MEMREF pData)
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2002-03-21 03:58:39 +01:00
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{
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#ifndef HAVE_SANE
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DSM_twCC = TWCC_NODS;
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return TWRC_FAILURE;
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#else
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TW_UINT16 twRC = TWRC_SUCCESS;
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pTW_IDENTITY pIdentity = (pTW_IDENTITY) pData;
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activeDS *currentDS = NULL, *prevDS = NULL;
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TRACE ("DG_CONTROL/DAT_IDENTITY/MSG_CLOSEDS\n");
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for (currentDS = activeSources; currentDS; currentDS = currentDS->next)
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{
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if (currentDS->identity.Id == pIdentity->Id)
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break;
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prevDS = currentDS;
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}
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if (currentDS)
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{
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/* Only valid to close a data source if it is in state 4 */
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if (currentDS->currentState == 4)
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{
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sane_close (currentDS->deviceHandle);
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/* remove the data source from active data source list */
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if (prevDS)
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prevDS->next = currentDS->next;
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else
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activeSources = currentDS->next;
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HeapFree (GetProcessHeap(), 0, currentDS);
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twRC = TWRC_SUCCESS;
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DSM_twCC = TWCC_SUCCESS;
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}
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else
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{
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twRC = TWRC_FAILURE;
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DSM_twCC = TWCC_SEQERROR;
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}
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}
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else
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{
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twRC = TWRC_FAILURE;
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DSM_twCC = TWCC_NODS;
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}
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2002-06-01 01:06:46 +02:00
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2002-03-21 03:58:39 +01:00
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return twRC;
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#endif
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}
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/* DG_CONTROL/DAT_IDENTITY/MSG_GETDEFAULT */
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TW_UINT16 TWAIN_IdentityGetDefault (pTW_IDENTITY pOrigin, TW_MEMREF pData)
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{
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#ifndef HAVE_SANE
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DSM_twCC = TWCC_NODS;
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return TWRC_FAILURE;
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#else
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TW_UINT16 twRC = TWRC_SUCCESS;
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pTW_IDENTITY pSourceIdentity = (pTW_IDENTITY) pData;
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TRACE("DG_CONTROL/DAT_IDENTITY/MSG_GETDEFAULT\n");
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if (!device_list)
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{
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if ((sane_get_devices (&device_list, SANE_FALSE) != SANE_STATUS_GOOD))
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{
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DSM_twCC = TWCC_NODS;
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return TWRC_FAILURE;
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}
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}
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/* FIXME: the default device is not necessarily the first device. *
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* Users should be able to choose the default device */
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if (device_list && device_list[0])
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{
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pSourceIdentity->Id = DSM_sourceId ++;
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strcpy (pSourceIdentity->ProductName, device_list[0]->name);
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strcpy (pSourceIdentity->Manufacturer, device_list[0]->vendor);
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strcpy (pSourceIdentity->ProductFamily, device_list[0]->model);
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pSourceIdentity->ProtocolMajor = TWON_PROTOCOLMAJOR;
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pSourceIdentity->ProtocolMinor = TWON_PROTOCOLMINOR;
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twRC = TWRC_SUCCESS;
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DSM_twCC = TWCC_SUCCESS;
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}
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else
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{
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twRC = TWRC_FAILURE;
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DSM_twCC = TWCC_NODS;
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}
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2002-06-01 01:06:46 +02:00
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2002-03-21 03:58:39 +01:00
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return twRC;
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#endif
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}
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/* DG_CONTROL/DAT_IDENTITY/MSG_GETFIRST */
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TW_UINT16 TWAIN_IdentityGetFirst (pTW_IDENTITY pOrigin, TW_MEMREF pData)
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{
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#ifndef HAVE_SANE
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DSM_twCC = TWCC_NODS;
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return TWRC_FAILURE;
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#else
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TW_UINT16 twRC = TWRC_SUCCESS;
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pTW_IDENTITY pSourceIdentity;/* = (pTW_IDENTITY) pData;*/
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SANE_Status status;
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2002-06-01 01:06:46 +02:00
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2002-03-21 03:58:39 +01:00
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TRACE ("DG_CONTROL/DAT_IDENTITY/MSG_GETFIRST\n");
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status = sane_get_devices (&device_list, SANE_FALSE);
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if (status == SANE_STATUS_GOOD)
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{
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if (device_list[0])
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{
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pSourceIdentity->Id = DSM_sourceId ++;
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strcpy (pSourceIdentity->ProductName, device_list[0]->name);
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strcpy (pSourceIdentity->Manufacturer, device_list[0]->vendor);
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strcpy (pSourceIdentity->ProductFamily, device_list[0]->model);
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pSourceIdentity->ProtocolMajor = TWON_PROTOCOLMAJOR;
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pSourceIdentity->ProtocolMinor = TWON_PROTOCOLMINOR;
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}
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DSM_currentDevice = 1;
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twRC = TWRC_SUCCESS;
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DSM_twCC = TWCC_SUCCESS;
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}
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else if (status == SANE_STATUS_NO_MEM)
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{
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twRC = TWRC_FAILURE;
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DSM_twCC = TWCC_LOWMEMORY;
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}
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else
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{
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2002-06-01 01:06:46 +02:00
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WARN("sane_get_devices() failed: %s\n", sane_strstatus (status));
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2002-03-21 03:58:39 +01:00
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twRC = TWRC_FAILURE;
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DSM_twCC = TWCC_NODS;
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}
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2002-06-01 01:06:46 +02:00
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2002-03-21 03:58:39 +01:00
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return twRC;
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#endif
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}
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/* DG_CONTROL/DAT_IDENTITY/MSG_GETNEXT */
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TW_UINT16 TWAIN_IdentityGetNext (pTW_IDENTITY pOrigin, TW_MEMREF pData)
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{
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#ifndef HAVE_SANE
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DSM_twCC = TWCC_SUCCESS;
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return TWRC_ENDOFLIST;
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#else
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TW_UINT16 twRC = TWRC_SUCCESS;
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pTW_IDENTITY pSourceIdentity = (pTW_IDENTITY) pData;
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TRACE("DG_CONTROL/DAT_IDENTITY/MSG_GETNEXT\n");
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if (device_list && device_list[DSM_currentDevice])
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{
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pSourceIdentity->Id = DSM_sourceId ++;
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strcpy (pSourceIdentity->ProductName, device_list[DSM_currentDevice]->name);
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strcpy (pSourceIdentity->Manufacturer, device_list[DSM_currentDevice]->vendor);
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strcpy (pSourceIdentity->ProductFamily, device_list[DSM_currentDevice]->model);
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pSourceIdentity->ProtocolMajor = TWON_PROTOCOLMAJOR;
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pSourceIdentity->ProtocolMinor = TWON_PROTOCOLMINOR;
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DSM_currentDevice ++;
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twRC = TWRC_SUCCESS;
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2002-06-01 01:06:46 +02:00
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DSM_twCC = TWCC_SUCCESS;
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2002-03-21 03:58:39 +01:00
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}
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else
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{
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DSM_twCC = TWCC_SUCCESS;
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twRC = TWRC_ENDOFLIST;
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}
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return twRC;
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#endif
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}
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/* DG_CONTROL/DAT_IDENTITY/MSG_OPENDS */
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TW_UINT16 TWAIN_OpenDS (pTW_IDENTITY pOrigin, TW_MEMREF pData)
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{
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#ifndef HAVE_SANE
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DSM_twCC = TWCC_NODS;
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return TWRC_FAILURE;
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#else
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TW_UINT16 twRC = TWRC_SUCCESS, i = 0;
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pTW_IDENTITY pIdentity = (pTW_IDENTITY) pData;
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activeDS *newSource;
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SANE_Status status;
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TRACE("DG_CONTROL/DAT_IDENTITY/MSG_OPENDS\n");
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if (DSM_currentState != 3)
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{
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DSM_twCC = TWCC_SEQERROR;
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return TWRC_FAILURE;
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}
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if (!device_list &&
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(sane_get_devices (&device_list, SANE_FALSE) != SANE_STATUS_GOOD))
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{
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DSM_twCC = TWCC_NODS;
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return TWRC_FAILURE;
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}
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if (pIdentity->ProductName[0] != '\0')
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{
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/* Make sure the source to be open exists in the device list */
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for (i = 0; device_list[i]; i ++)
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{
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if (strcmp (device_list[i]->name, pIdentity->ProductName) == 0)
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break;
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}
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}
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if (device_list[i])
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{
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/* the source is found in the device list */
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newSource = HeapAlloc (GetProcessHeap(), 0, sizeof (activeDS));
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if (newSource)
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{
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status = sane_open(device_list[i]->name,&newSource->deviceHandle);
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if (status == SANE_STATUS_GOOD)
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{
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/* Assign name and id for the opened data source */
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strcpy (pIdentity->ProductName, device_list[i]->name);
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pIdentity->Id = DSM_sourceId ++;
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/* add the data source to an internal active source list */
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newSource->next = activeSources;
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newSource->identity.Id = pIdentity->Id;
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strcpy (newSource->identity.ProductName, pIdentity->ProductName);
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newSource->currentState = 4; /*transition into state 4*/
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newSource->twCC = TWCC_SUCCESS;
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activeSources = newSource;
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twRC = TWRC_SUCCESS;
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DSM_twCC = TWCC_SUCCESS;
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}
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else
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{
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twRC = TWRC_FAILURE;
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DSM_twCC = TWCC_OPERATIONERROR;
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}
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}
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else
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{
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twRC = TWRC_FAILURE;
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DSM_twCC = TWCC_LOWMEMORY;
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}
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}
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else
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{
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twRC = TWRC_FAILURE;
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DSM_twCC = TWCC_NODS;
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}
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2002-06-01 01:06:46 +02:00
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2002-03-21 03:58:39 +01:00
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return twRC;
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#endif
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}
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/* DG_CONTROL/DAT_IDENTITY/MSG_USERSELECT */
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TW_UINT16 TWAIN_UserSelect (pTW_IDENTITY pOrigin, TW_MEMREF pData)
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{
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#ifndef HAVE_SANE
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return TWRC_SUCCESS;
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#else
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TW_UINT16 twRC = TWRC_SUCCESS;
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TRACE("DG_CONTROL/DAT_IDENTITY/MSG_USERSELECT\n");
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/* FIXME: we should replace xscanimage with our own User Select UI */
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system("xscanimage");
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DSM_twCC = TWCC_SUCCESS;
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return twRC;
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#endif
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}
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/* DG_CONTROL/DAT_PARENT/MSG_CLOSEDSM */
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TW_UINT16 TWAIN_CloseDSM (pTW_IDENTITY pOrigin, TW_MEMREF pData)
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{
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#ifndef HAVE_SANE
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return TWRC_FAILURE;
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#else
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TW_UINT16 twRC = TWRC_SUCCESS;
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activeDS *currentDS = activeSources, *nextDS;
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TRACE("DG_CONTROL/DAT_PARENT/MSG_CLOSEDSM\n");
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if (DSM_currentState == 3)
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{
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sane_exit ();
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DSM_initialized = FALSE;
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DSM_parentHWND = 0;
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DSM_currentState = 2;
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/* If there are data sources still open, close them now. */
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while (currentDS != NULL)
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{
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nextDS = currentDS->next;
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sane_close (currentDS->deviceHandle);
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HeapFree (GetProcessHeap(), 0, currentDS);
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currentDS = nextDS;
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}
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activeSources = NULL;
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DSM_twCC = TWCC_SUCCESS;
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twRC = TWRC_SUCCESS;
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}
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else
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{
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DSM_twCC = TWCC_SEQERROR;
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twRC = TWRC_FAILURE;
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}
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return twRC;
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#endif
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}
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/* DG_CONTROL/DAT_PARENT/MSG_OPENDSM */
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TW_UINT16 TWAIN_OpenDSM (pTW_IDENTITY pOrigin, TW_MEMREF pData)
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{
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#ifndef HAVE_SANE
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return TWRC_FAILURE;
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#else
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TW_UINT16 twRC = TWRC_SUCCESS;
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SANE_Status status;
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SANE_Int version_code;
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TRACE("DG_CONTROL/DAT_PARENT/MSG_OPENDSM\n");
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if (DSM_currentState == 2)
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{
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if (!DSM_initialized)
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{
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DSM_initialized = TRUE;
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status = sane_init (&version_code, NULL);
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device_list = NULL;
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2002-06-01 01:06:46 +02:00
|
|
|
DSM_currentDevice = 0;
|
2002-03-21 03:58:39 +01:00
|
|
|
DSM_sourceId = 0;
|
2002-06-01 01:06:46 +02:00
|
|
|
}
|
2002-09-06 21:41:17 +02:00
|
|
|
DSM_parentHWND = *(TW_HANDLE*)pData;
|
2002-03-21 03:58:39 +01:00
|
|
|
DSM_currentState = 3; /* transition to state 3 */
|
|
|
|
DSM_twCC = TWCC_SUCCESS;
|
|
|
|
twRC = TWRC_SUCCESS;
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
/* operation invoked in invalid state */
|
|
|
|
DSM_twCC = TWCC_SEQERROR;
|
|
|
|
twRC = TWRC_FAILURE;
|
|
|
|
}
|
|
|
|
|
|
|
|
return twRC;
|
|
|
|
#endif
|
|
|
|
}
|
|
|
|
|
|
|
|
/* DG_CONTROL/DAT_STATUS/MSG_GET */
|
|
|
|
TW_UINT16 TWAIN_GetDSMStatus (pTW_IDENTITY pOrigin, TW_MEMREF pData)
|
|
|
|
{
|
|
|
|
pTW_STATUS pSourceStatus = (pTW_STATUS) pData;
|
|
|
|
|
|
|
|
TRACE ("DG_CONTROL/DAT_STATUS/MSG_GET\n");
|
|
|
|
|
|
|
|
pSourceStatus->ConditionCode = DSM_twCC;
|
|
|
|
DSM_twCC = TWCC_SUCCESS; /* clear the condition code */
|
|
|
|
|
|
|
|
return TWRC_SUCCESS;
|
|
|
|
}
|