373 lines
11 KiB
C
373 lines
11 KiB
C
/*
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* SANE.DS functions
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*
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* Copyright 2000 Shi Quan He <shiquan@cyberdude.com>
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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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include <stdarg.h>
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#include <stdio.h>
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#include "sane_i.h"
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(twain);
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struct tagActiveDS activeDS;
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DSMENTRYPROC SANE_dsmentry;
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HINSTANCE SANE_instance;
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unixlib_handle_t sane_handle = 0;
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BOOL WINAPI DllMain (HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved)
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{
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TRACE("%p,%lx,%p\n", hinstDLL, fdwReason, lpvReserved);
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switch (fdwReason)
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{
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case DLL_PROCESS_ATTACH: {
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SANE_instance = hinstDLL;
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DisableThreadLibraryCalls(hinstDLL);
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if (NtQueryVirtualMemory( GetCurrentProcess(), hinstDLL, MemoryWineUnixFuncs,
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&sane_handle, sizeof(sane_handle), NULL )) return FALSE;
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SANE_CALL( process_attach, NULL );
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break;
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}
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case DLL_PROCESS_DETACH:
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if (lpvReserved) break;
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SANE_CALL( process_detach, NULL );
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break;
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}
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return TRUE;
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}
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static TW_UINT16 SANE_OpenDS( pTW_IDENTITY pOrigin, pTW_IDENTITY self)
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{
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if (SANE_dsmentry == NULL)
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{
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HMODULE moddsm = GetModuleHandleW(L"twain_32");
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if (moddsm)
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SANE_dsmentry = (void*)GetProcAddress(moddsm, "DSM_Entry");
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if (!SANE_dsmentry)
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{
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ERR("can't find DSM entry point\n");
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return TWRC_FAILURE;
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}
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}
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if (SANE_CALL( open_ds, self )) return TWRC_FAILURE;
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activeDS.twCC = SANE_SaneSetDefaults();
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if (activeDS.twCC == TWCC_SUCCESS)
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{
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activeDS.currentState = 4;
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activeDS.identity.Id = self->Id;
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activeDS.appIdentity = *pOrigin;
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return TWRC_SUCCESS;
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}
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SANE_CALL( close_ds, NULL );
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return TWRC_FAILURE;
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}
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static TW_UINT16 SANE_SetEntryPoint (pTW_IDENTITY pOrigin, TW_MEMREF pData);
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static TW_UINT16 SANE_SourceControlHandler (
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pTW_IDENTITY pOrigin,
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TW_UINT16 DAT,
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TW_UINT16 MSG,
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TW_MEMREF pData)
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{
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TW_UINT16 twRC = TWRC_SUCCESS;
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switch (DAT)
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{
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case DAT_IDENTITY:
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switch (MSG)
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{
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case MSG_CLOSEDS:
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SANE_CALL( close_ds, NULL );
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break;
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case MSG_OPENDS:
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twRC = SANE_OpenDS( pOrigin, (pTW_IDENTITY)pData);
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break;
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case MSG_GET:
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{
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if (SANE_CALL( get_identity, pData ))
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{
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activeDS.twCC = TWCC_CAPUNSUPPORTED;
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twRC = TWRC_FAILURE;
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}
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break;
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}
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}
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break;
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case DAT_CAPABILITY:
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switch (MSG)
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{
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case MSG_GET:
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twRC = SANE_CapabilityGet (pOrigin, pData);
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break;
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case MSG_GETCURRENT:
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twRC = SANE_CapabilityGetCurrent (pOrigin, pData);
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break;
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case MSG_GETDEFAULT:
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twRC = SANE_CapabilityGetDefault (pOrigin, pData);
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break;
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case MSG_QUERYSUPPORT:
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twRC = SANE_CapabilityQuerySupport (pOrigin, pData);
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break;
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case MSG_RESET:
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twRC = SANE_CapabilityReset (pOrigin, pData);
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break;
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case MSG_SET:
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twRC = SANE_CapabilitySet (pOrigin, pData);
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break;
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default:
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twRC = TWRC_FAILURE;
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activeDS.twCC = TWCC_CAPBADOPERATION;
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FIXME("unrecognized operation triplet\n");
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break;
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}
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break;
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case DAT_ENTRYPOINT:
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if (MSG == MSG_SET)
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twRC = SANE_SetEntryPoint (pOrigin, pData);
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else
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{
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twRC = TWRC_FAILURE;
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activeDS.twCC = TWCC_CAPBADOPERATION;
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FIXME("unrecognized operation triplet\n");
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}
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break;
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case DAT_EVENT:
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if (MSG == MSG_PROCESSEVENT)
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twRC = SANE_ProcessEvent (pOrigin, pData);
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else
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{
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activeDS.twCC = TWCC_CAPBADOPERATION;
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twRC = TWRC_FAILURE;
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}
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break;
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case DAT_PENDINGXFERS:
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switch (MSG)
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{
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case MSG_ENDXFER:
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twRC = SANE_PendingXfersEndXfer (pOrigin, pData);
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break;
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case MSG_GET:
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twRC = SANE_PendingXfersGet (pOrigin, pData);
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break;
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case MSG_RESET:
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twRC = SANE_PendingXfersReset (pOrigin, pData);
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break;
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default:
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activeDS.twCC = TWCC_CAPBADOPERATION;
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twRC = TWRC_FAILURE;
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}
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break;
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case DAT_SETUPMEMXFER:
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if (MSG == MSG_GET)
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twRC = SANE_SetupMemXferGet (pOrigin, pData);
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else
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{
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activeDS.twCC = TWCC_CAPBADOPERATION;
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twRC = TWRC_FAILURE;
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}
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break;
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case DAT_STATUS:
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if (MSG == MSG_GET)
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twRC = SANE_GetDSStatus (pOrigin, pData);
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else
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{
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activeDS.twCC = TWCC_CAPBADOPERATION;
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twRC = TWRC_FAILURE;
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}
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break;
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case DAT_USERINTERFACE:
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switch (MSG)
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{
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case MSG_DISABLEDS:
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twRC = SANE_DisableDSUserInterface (pOrigin, pData);
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break;
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case MSG_ENABLEDS:
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twRC = SANE_EnableDSUserInterface (pOrigin, pData);
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break;
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case MSG_ENABLEDSUIONLY:
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twRC = SANE_EnableDSUIOnly (pOrigin, pData);
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break;
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default:
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activeDS.twCC = TWCC_CAPBADOPERATION;
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twRC = TWRC_FAILURE;
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break;
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}
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break;
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case DAT_XFERGROUP:
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switch (MSG)
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{
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case MSG_GET:
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twRC = SANE_XferGroupGet (pOrigin, pData);
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break;
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case MSG_SET:
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twRC = SANE_XferGroupSet (pOrigin, pData);
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break;
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default:
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activeDS.twCC = TWCC_CAPBADOPERATION;
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twRC = TWRC_FAILURE;
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break;
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}
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break;
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default:
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WARN("code unsupported: %d\n", DAT);
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activeDS.twCC = TWCC_CAPUNSUPPORTED;
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twRC = TWRC_FAILURE;
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break;
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}
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return twRC;
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}
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static TW_UINT16 SANE_ImageGroupHandler (
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pTW_IDENTITY pOrigin,
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TW_UINT16 DAT,
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TW_UINT16 MSG,
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TW_MEMREF pData)
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{
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TW_UINT16 twRC = TWRC_SUCCESS;
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switch (DAT)
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{
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case DAT_IMAGEINFO:
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if (MSG == MSG_GET)
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twRC = SANE_ImageInfoGet (pOrigin, pData);
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else
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{
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activeDS.twCC = TWCC_CAPBADOPERATION;
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twRC = TWRC_FAILURE;
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}
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break;
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case DAT_IMAGELAYOUT:
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switch (MSG)
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{
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case MSG_GET:
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twRC = SANE_ImageLayoutGet (pOrigin, pData);
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break;
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case MSG_GETDEFAULT:
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twRC = SANE_ImageLayoutGetDefault (pOrigin, pData);
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break;
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case MSG_RESET:
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twRC = SANE_ImageLayoutReset (pOrigin, pData);
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break;
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case MSG_SET:
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twRC = SANE_ImageLayoutSet (pOrigin, pData);
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break;
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default:
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twRC = TWRC_FAILURE;
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activeDS.twCC = TWCC_CAPBADOPERATION;
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ERR("unrecognized operation triplet\n");
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break;
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}
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break;
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case DAT_IMAGEMEMXFER:
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if (MSG == MSG_GET)
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twRC = SANE_ImageMemXferGet (pOrigin, pData);
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else
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{
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activeDS.twCC = TWCC_CAPBADOPERATION;
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twRC = TWRC_FAILURE;
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}
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break;
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case DAT_IMAGENATIVEXFER:
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if (MSG == MSG_GET)
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twRC = SANE_ImageNativeXferGet (pOrigin, pData);
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else
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{
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activeDS.twCC = TWCC_CAPBADOPERATION;
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twRC = TWRC_FAILURE;
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}
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break;
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default:
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twRC = TWRC_FAILURE;
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activeDS.twCC = TWCC_CAPUNSUPPORTED;
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WARN("unsupported DG type %d\n", DAT);
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break;
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}
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return twRC;
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}
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/* Main entry point for the TWAIN library */
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TW_UINT16 WINAPI
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DS_Entry ( pTW_IDENTITY pOrigin,
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TW_UINT32 DG,
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TW_UINT16 DAT,
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TW_UINT16 MSG,
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TW_MEMREF pData)
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{
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TW_UINT16 twRC = TWRC_SUCCESS; /* Return Code */
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TRACE("(DG=%ld DAT=%d MSG=%d)\n", DG, DAT, MSG);
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switch (DG)
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{
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case DG_CONTROL:
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twRC = SANE_SourceControlHandler (pOrigin,DAT,MSG,pData);
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break;
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case DG_IMAGE:
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twRC = SANE_ImageGroupHandler (pOrigin,DAT,MSG,pData);
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break;
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case DG_AUDIO:
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WARN("Audio group of controls not implemented yet.\n");
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twRC = TWRC_FAILURE;
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activeDS.twCC = TWCC_CAPUNSUPPORTED;
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break;
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default:
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activeDS.twCC = TWCC_BADPROTOCOL;
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twRC = TWRC_FAILURE;
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}
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return twRC;
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}
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void SANE_Notify (TW_UINT16 message)
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{
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SANE_dsmentry (&activeDS.identity, &activeDS.appIdentity, DG_CONTROL, DAT_NULL, message, NULL);
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}
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/* DG_CONTROL/DAT_ENTRYPOINT/MSG_SET */
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TW_UINT16 SANE_SetEntryPoint (pTW_IDENTITY pOrigin, TW_MEMREF pData)
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{
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TW_ENTRYPOINT *entry = (TW_ENTRYPOINT*)pData;
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SANE_dsmentry = entry->DSM_Entry;
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return TWRC_SUCCESS;
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}
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