twain_i.h

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/*
 * Copyright 2000 Corel Corporation
 * Copyright 2006 Marcus Meissner
 *
 * 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
 */
 
#ifndef _TWAIN32_H
#define _TWAIN32_H
 
#include <stdarg.h>
 
#include "windef.h"
#include "winbase.h"
#include "twain.h"
#include "wine/list.h"
 
struct pending_message
{
    struct list entry;
    TW_UINT16 msg;
};
 
/* internal information about an active data source */
typedef struct tagActiveDS
{
    struct tagActiveDS  *next;          /* next active DS */
    TW_IDENTITY     identity;       /* identity */
    HMODULE     hmod;
    DSENTRYPROC     dsEntry;
    struct list         pending_messages;
    HWND                ui_window;
    HWND                event_window;
} activeDS;
 
extern TW_UINT16 DSM_twCC DECLSPEC_HIDDEN;             /* current condition code of Source Manager */
 
extern activeDS *activeSources DECLSPEC_HIDDEN; /* list of active data sources */
 
extern HINSTANCE DSM_hinstance DECLSPEC_HIDDEN;
 
/* Implementation of operation triplets (From Application to Source Manager) */
extern TW_UINT16 TWAIN_CloseDS
           (pTW_IDENTITY pOrigin, TW_MEMREF pData) DECLSPEC_HIDDEN;
extern TW_UINT16 TWAIN_IdentityGetDefault
           (pTW_IDENTITY pOrigin, TW_MEMREF pData) DECLSPEC_HIDDEN;
extern TW_UINT16 TWAIN_IdentityGetFirst
           (pTW_IDENTITY pOrigin, TW_MEMREF pData) DECLSPEC_HIDDEN;
extern TW_UINT16 TWAIN_IdentityGetNext
           (pTW_IDENTITY pOrigin, TW_MEMREF pData) DECLSPEC_HIDDEN;
extern TW_UINT16 TWAIN_OpenDS
           (pTW_IDENTITY pOrigin, TW_MEMREF pData) DECLSPEC_HIDDEN;
extern TW_UINT16 TWAIN_UserSelect
           (pTW_IDENTITY pOrigin, TW_MEMREF pData) DECLSPEC_HIDDEN;
extern TW_UINT16 TWAIN_CloseDSM
           (pTW_IDENTITY pOrigin, TW_MEMREF pData) DECLSPEC_HIDDEN;
extern TW_UINT16 TWAIN_OpenDSM
           (pTW_IDENTITY pOrigin, TW_MEMREF pData) DECLSPEC_HIDDEN;
extern TW_UINT16 TWAIN_GetDSMStatus
           (pTW_IDENTITY pOrigin, TW_MEMREF pData) DECLSPEC_HIDDEN;
extern TW_UINT16 TWAIN_ControlNull
           (pTW_IDENTITY pOrigin, pTW_IDENTITY pDest, activeDS *pSource, TW_UINT16 MSG, TW_MEMREF pData) DECLSPEC_HIDDEN;
extern TW_UINT16 TWAIN_ProcessEvent
           (pTW_IDENTITY pOrigin, activeDS *pSource, TW_MEMREF pData) DECLSPEC_HIDDEN;
 
#endif