102 lines
2.4 KiB
C
102 lines
2.4 KiB
C
#pragma once
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#ifndef __TTWAINP_H__
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#define __TTWAINP_H__
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#include "ttwain.h"
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#ifdef TTWAINLIB_MAIN
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#define EXTERN
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#else
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#define EXTERN extern
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef enum TWAINSTATE {
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TWAIN_PRESESSION = 1, /* source manager not loaded */
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TWAIN_SM_LOADED, /* source manager loaded */
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TWAIN_SM_OPEN, /* source manager open */
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TWAIN_SOURCE_OPEN, /* source open but not enabled*/
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TWAIN_SOURCE_ENABLED, /* source enabled to acquire */
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TWAIN_TRANSFER_READY, /* image ready to transfer */
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TWAIN_TRANSFERRING /* image in transit */
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} TWAINSTATE;
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#ifdef _WIN32
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#ifdef x64
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#define DSM_FILENAME "TWAINDSM.DLL"
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#else
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#define DSM_FILENAME "TWAIN_32.DLL"
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#endif
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#define DSM_ENTRYPOINT "DSM_Entry"
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#else
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#define DSM_FILENAME ""
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#define DSM_ENTRYPOINT ""
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#endif
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struct TRANSFER_INFO {
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TTWAIN_TRANSFER_MECH transferMech; /*current transfer mechanism */
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TTWAIN_USAGE_MODE usageMode;
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/*used by buffered memory tranfer */
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unsigned char *memoryBuffer;
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unsigned long memorySize;
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/*used by native tranfer */
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void *hDib;
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/*common to all the transfer mode */
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int preferredLx;
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int preferredLy;
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int multiTransfer;
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int nextImageNeedsToBeInverted;
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int lastTransferWasOk;
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TW_PENDINGXFERS pendingXfers;
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int oneAtLeast;
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};
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struct CALLBACKS {
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TTWAIN_ONDONE_CB *onDoneCb;
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void *onDoneArg;
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TTWAIN_ONERROR_CB *onErrorCb;
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void *onErrorArg;
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};
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struct _TTWAIN_DATA__ {
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/*HANDLE*/
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DSMENTRYPROC DSM_Entry; /* entry point of Data Source Manager(TWAIN.DLL)*/
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TW_INT32 hwnd32SM; /* window handle */
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/*IDENTITY*/
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TW_IDENTITY sourceId; /* source identity structure */
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TW_IDENTITY appId; /* Application Ident. for DS */
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TW_USERINTERFACE twainUI; /* */
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int initDone;
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TWAINAVAILABLE twainAvailable;
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TWAINSTATE twainState; /* the current twain state */
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struct TRANSFER_INFO transferInfo;
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struct CALLBACKS callback;
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TW_ARRAY *supportedCaps; /* all the (exported)supported capabilities */
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int isSupportedCapsSupported;
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int breakModalLoop;
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int UIStatus; /* Hide or Show UserInterface */
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int modalStatus;
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TW_INT16 resultCode; /* result code for LAST error */
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TUINT32 ErrRC; /* result & condition code */
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TUINT32 ErrCC; /* for LAST RECORDED error */
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};
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EXTERN struct _TTWAIN_DATA__ TTwainData;
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EXTERN int TTWAIN_InitVar(void);
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#ifdef __cplusplus
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}
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#endif
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#endif
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