1218 lines
45 KiB
C
1218 lines
45 KiB
C
/****************************************************************************
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*
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* Copyright (C) 1991, 1992 TWAIN Working Group: Aldus, Caere, Eastman-Kodak,
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* Hewlett-Packard and Logitech Corporations. All rights reserved.
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*
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* dc.h - This is the definitive include file for applications and
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* data sources written to the TWAIN specification.
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* It defines constants, data structures, messages etc.
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* for the public interface to TWAIN.
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*
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* Revision History:
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* version 1.0, March 6, 1992. TWAIN 1.0.
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* version 1.1, January 1993. Tech Notes 1.1
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* version 1.5, June 1993. Specification Update 1.5
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* Change DC to TW
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* Change filename from DC.H to TWAIN.H
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* version 1.5, July 1993. Remove spaces from country identifiers
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*
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****************************************************************************/
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#ifndef TWAIN
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#define TWAIN
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/* SDH - 02/08/95 - TWUNK */
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/* Force 32-bit twain to use same packing of twain structures as existing */
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/* 16-bit twain. This allows 16/32-bit thunking. */
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#ifdef WIN32
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#pragma pack (push, before_twain)
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#pragma pack (2)
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#else /* WIN32 */
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#endif /* WIN32 */
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/****************************************************************************
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* Platform Dependent Definitions and Typedefs *
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****************************************************************************/
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/* Define one of the following, depending on the platform */
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/* #define _MAC_ */
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/* #define _UNIX_ */
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#define _MSWIN_
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#ifdef _MSWIN_
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typedef HANDLE TW_HANDLE;
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typedef LPVOID TW_MEMREF;
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/* SDH - 05/05/95 - TWUNK */
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/* For common code between 16 and 32 bits. */
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#ifdef WIN32
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#define TW_HUGE
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#else /* WIN32 */
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#define TW_HUGE huge
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#endif /* WIN32 */
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typedef BYTE TW_HUGE * HPBYTE;
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typedef void TW_HUGE * HPVOID;
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#endif /* _MSWIN_ */
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#ifdef _MAC_
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#define PASCAL pascal
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#define FAR
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typedef Handle TW_HANDLE;
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typedef char *TW_MEMREF;
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#endif /* _MAC_ */
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#ifdef _UNIX_
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#define PASCAL pascal
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typedef unsigned char *TW_HANDLE;
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typedef unsigned char *TW_MEMREF;
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#endif /* _UNIX_ */
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/****************************************************************************
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* Type Definitions *
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****************************************************************************/
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/* String types. These include room for the strings and a NULL char, *
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* or, on the Mac, a length byte followed by the string. *
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* TW_STR255 must hold less than 256 chars so length fits in first byte. */
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typedef char TW_STR32[34], FAR *pTW_STR32;
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typedef char TW_STR64[66], FAR *pTW_STR64;
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typedef char TW_STR128[130], FAR *pTW_STR128;
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typedef char TW_STR255[256], FAR *pTW_STR255;
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/* Numeric types. */
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typedef char TW_INT8, FAR *pTW_INT8;
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typedef short TW_INT16, FAR *pTW_INT16;
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typedef long TW_INT32, FAR *pTW_INT32;
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typedef unsigned char TW_UINT8, FAR *pTW_UINT8;
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typedef unsigned short TW_UINT16, FAR *pTW_UINT16;
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typedef unsigned long TW_UINT32, FAR *pTW_UINT32;
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typedef unsigned short TW_BOOL, FAR *pTW_BOOL;
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/* Fixed point structure type. */
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typedef struct {
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TW_INT16 Whole; /* maintains the sign */
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TW_UINT16 Frac;
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} TW_FIX32, FAR *pTW_FIX32;
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/****************************************************************************
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* Structure Definitions *
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****************************************************************************/
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/* No DAT needed. */
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typedef struct {
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TW_FIX32 X;
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TW_FIX32 Y;
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TW_FIX32 Z;
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} TW_CIEPOINT, FAR * pTW_CIEPOINT;
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/* No DAT needed. */
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typedef struct {
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TW_FIX32 StartIn;
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TW_FIX32 BreakIn;
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TW_FIX32 EndIn;
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TW_FIX32 StartOut;
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TW_FIX32 BreakOut;
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TW_FIX32 EndOut;
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TW_FIX32 Gamma;
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TW_FIX32 SampleCount; /* if =0 use the gamma */
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} TW_DECODEFUNCTION, FAR * pTW_DECODEFUNCTION;
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/* No DAT needed. */
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typedef struct {
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TW_UINT8 Index; /* Value used to index into the color table. */
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TW_UINT8 Channel1; /* First tri-stimulus value (e.g Red) */
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TW_UINT8 Channel2; /* Second tri-stimulus value (e.g Green) */
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TW_UINT8 Channel3; /* Third tri-stimulus value (e.g Blue) */
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} TW_ELEMENT8, FAR * pTW_ELEMENT8;
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/* No DAT. Defines a frame rectangle in ICAP_UNITS coordinates. */
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typedef struct {
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TW_FIX32 Left;
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TW_FIX32 Top;
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TW_FIX32 Right;
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TW_FIX32 Bottom;
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} TW_FRAME, FAR * pTW_FRAME;
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/* No DAT needed. Used to manage memory buffers. */
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typedef struct {
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TW_UINT32 Flags; /* Any combination of the TWMF_ constants. */
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TW_UINT32 Length; /* Number of bytes stored in buffer TheMem. */
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TW_MEMREF TheMem; /* Pointer or handle to the allocated memory buffer. */
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} TW_MEMORY, FAR * pTW_MEMORY;
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/* No DAT needed. */
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typedef struct {
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TW_DECODEFUNCTION Decode[3];
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TW_FIX32 Mix[3][3];
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} TW_TRANSFORMSTAGE, FAR * pTW_TRANSFORMSTAGE;
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/* No DAT needed. Describes version of software that's running. */
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typedef struct {
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TW_UINT16 MajorNum; /* Major revision number of the software. */
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TW_UINT16 MinorNum; /* Incremental revision number of the software. */
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TW_UINT16 Language; /* e.g. TWLG_SWISSFRENCH */
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TW_UINT16 Country; /* e.g. TWCY_SWITZERLAND */
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TW_STR32 Info; /* e.g. "1.0b3 Beta release" */
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} TW_VERSION, FAR * pTW_VERSION;
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/* TWON_ARRAY. Container for array of values (a simplified TW_ENUMERATION) */
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typedef struct {
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TW_UINT16 ItemType;
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TW_UINT32 NumItems; /* How many items in ItemList */
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TW_UINT8 ItemList[1]; /* Array of ItemType values starts here */
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} TW_ARRAY, FAR * pTW_ARRAY;
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/* TWON_ENUMERATION. Container for a collection of values. */
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typedef struct {
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TW_UINT16 ItemType;
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TW_UINT32 NumItems; /* How many items in ItemList */
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TW_UINT32 CurrentIndex; /* Current value is in ItemList[CurrentIndex] */
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TW_UINT32 DefaultIndex; /* Powerup value is in ItemList[DefaultIndex] */
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TW_UINT8 ItemList[1]; /* Array of ItemType values starts here */
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} TW_ENUMERATION, FAR * pTW_ENUMERATION;
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/* TWON_ONEVALUE. Container for one value. */
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typedef struct {
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TW_UINT16 ItemType;
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TW_UINT32 Item;
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} TW_ONEVALUE, FAR * pTW_ONEVALUE;
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/* TWON_RANGE. Container for a range of values. */
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typedef struct {
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TW_UINT16 ItemType;
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TW_UINT32 MinValue; /* Starting value in the range. */
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TW_UINT32 MaxValue; /* Final value in the range. */
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TW_UINT32 StepSize; /* Increment from MinValue to MaxValue. */
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TW_UINT32 DefaultValue; /* Power-up value. */
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TW_UINT32 CurrentValue; /* The value that is currently in effect. */
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} TW_RANGE, FAR * pTW_RANGE;
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/* DAT_CAPABILITY. Used by app to get/set capability from/in a data source. */
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typedef struct {
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TW_UINT16 Cap; /* id of capability to set or get, e.g. CAP_BRIGHTNESS */
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TW_UINT16 ConType; /* TWON_ONEVALUE, _RANGE, _ENUMERATION or _ARRAY */
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TW_HANDLE hContainer; /* Handle to container of type Dat */
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} TW_CAPABILITY, FAR * pTW_CAPABILITY;
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/* DAT_CIECOLOR. */
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typedef struct {
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TW_UINT16 ColorSpace;
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TW_INT16 LowEndian;
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TW_INT16 DeviceDependent;
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TW_INT32 VersionNumber;
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TW_TRANSFORMSTAGE StageABC;
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TW_TRANSFORMSTAGE StageLMN;
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TW_CIEPOINT WhitePoint;
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TW_CIEPOINT BlackPoint;
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TW_CIEPOINT WhitePaper;
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TW_CIEPOINT BlackInk;
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TW_FIX32 Samples[1];
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} TW_CIECOLOR, FAR * pTW_CIECOLOR;
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/* DAT_EVENT. For passing events down from the app to the DS. */
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typedef struct {
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TW_MEMREF pEvent; /* Windows pMSG or Mac pEvent. */
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TW_UINT16 TWMessage; /* TW msg from data source, e.g. MSG_XFERREADY */
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} TW_EVENT, FAR * pTW_EVENT;
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/* DAT_GRAYRESPONSE */
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typedef struct {
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TW_ELEMENT8 Response[1];
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} TW_GRAYRESPONSE, FAR * pTW_GRAYRESPONSE;
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/* DAT_IDENTITY. Identifies the program/library/code resource. */
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typedef struct {
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TW_UINT32 Id; /* Unique number. In Windows, app hWnd */
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TW_VERSION Version; /* Identifies the piece of code */
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TW_UINT16 ProtocolMajor; /* App and DS must set to TWON_PROTOCOLMAJOR */
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TW_UINT16 ProtocolMinor; /* App and DS must set to TWON_PROTOCOLMINOR */
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TW_UINT32 SupportedGroups; /* Bit field OR combination of DG_ constants */
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TW_STR32 Manufacturer; /* Manufacturer name, e.g. "Hewlett-Packard" */
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TW_STR32 ProductFamily; /* Product family name, e.g. "ScanJet" */
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TW_STR32 ProductName; /* Product name, e.g. "ScanJet Plus" */
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} TW_IDENTITY, FAR * pTW_IDENTITY;
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/* DAT_IMAGEINFO. App gets detailed image info from DS with this. */
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typedef struct {
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TW_FIX32 XResolution; /* Resolution in the horizontal */
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TW_FIX32 YResolution; /* Resolution in the vertical */
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TW_INT32 ImageWidth; /* Columns in the image, -1 if unknown by DS*/
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TW_INT32 ImageLength; /* Rows in the image, -1 if unknown by DS */
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TW_INT16 SamplesPerPixel; /* Number of samples per pixel, 3 for RGB */
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TW_INT16 BitsPerSample[8]; /* Number of bits for each sample */
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TW_INT16 BitsPerPixel; /* Number of bits for each padded pixel */
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TW_BOOL Planar; /* True if Planar, False if chunky */
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TW_INT16 PixelType; /* How to interp data; photo interp (TWPT_) */
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TW_UINT16 Compression; /* How the data is compressed (TWCP_xxxx) */
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} TW_IMAGEINFO, FAR * pTW_IMAGEINFO;
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/* DAT_IMAGELAYOUT. Provides image layout information in current units. */
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typedef struct {
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TW_FRAME Frame; /* Frame coords within larger document */
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TW_UINT32 DocumentNumber;
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TW_UINT32 PageNumber; /* Reset when you go to next document */
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TW_UINT32 FrameNumber; /* Reset when you go to next page */
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} TW_IMAGELAYOUT, FAR * pTW_IMAGELAYOUT;
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/* DAT_IMAGEMEMXFER. Used to pass image data (e.g. in strips) from DS to app.*/
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typedef struct {
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TW_UINT16 Compression; /* How the data is compressed */
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TW_UINT32 BytesPerRow; /* Number of bytes in a row of data */
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TW_UINT32 Columns; /* How many columns */
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TW_UINT32 Rows; /* How many rows */
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TW_UINT32 XOffset; /* How far from the side of the image */
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TW_UINT32 YOffset; /* How far from the top of the image */
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TW_UINT32 BytesWritten; /* How many bytes written in Memory */
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TW_MEMORY Memory; /* Mem struct used to pass actual image data */
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} TW_IMAGEMEMXFER, FAR * pTW_IMAGEMEMXFER;
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/* Changed in 1.1: QuantTable, HuffmanDC, HuffmanAC TW_MEMREF -> TW_MEMORY */
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/* DAT_JPEGCOMPRESSION. Based on JPEG Draft International Std, ver 10918-1. */
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typedef struct {
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TW_UINT16 ColorSpace; /* One of the TWPT_xxxx values */
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TW_UINT32 SubSampling; /* Two word "array" for subsampling values */
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TW_UINT16 NumComponents; /* Number of color components in image */
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TW_UINT16 RestartFrequency; /* Frequency of restart marker codes in MDU's */
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TW_UINT16 QuantMap[4]; /* Mapping of components to QuantTables */
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TW_MEMORY QuantTable[4]; /* Quantization tables */
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TW_UINT16 HuffmanMap[4]; /* Mapping of components to Huffman tables */
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TW_MEMORY HuffmanDC[2]; /* DC Huffman tables */
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TW_MEMORY HuffmanAC[2]; /* AC Huffman tables */
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} TW_JPEGCOMPRESSION, FAR * pTW_JPEGCOMPRESSION;
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/* DAT_PALETTE8. Color palette when TWPT_PALETTE pixels xfer'd in mem buf. */
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typedef struct {
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TW_UINT16 NumColors; /* Number of colors in the color table. */
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TW_UINT16 PaletteType; /* TWPA_xxxx, specifies type of palette. */
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TW_ELEMENT8 Colors[256]; /* Array of palette values starts here. */
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} TW_PALETTE8, FAR * pTW_PALETTE8;
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/* DAT_PENDINGXFERS. Used with MSG_ENDXFER to indicate additional data. */
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typedef struct {
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TW_UINT16 Count; /* Number of additional "images" pending. */
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TW_UINT32 Reserved;
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} TW_PENDINGXFERS, FAR * pTW_PENDINGXFERS;
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/* DAT_RGBRESPONSE */
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typedef struct {
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TW_ELEMENT8 Response[1];
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} TW_RGBRESPONSE, FAR * pRGBRESPONSE;
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/* DAT_SETUPFILEXFER. Sets up DS to app data transfer via a file. */
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typedef struct {
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TW_STR255 FileName;
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TW_UINT16 Format; /* Any TWFF_ constant */
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TW_INT16 VRefNum; /* Used for Mac only */
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} TW_SETUPFILEXFER, FAR * pTW_SETUPFILEXFER;
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/* DAT_SETUPMEMXFER. Sets up DS to app data transfer via a memory buffer. */
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typedef struct {
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TW_UINT32 MinBufSize;
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TW_UINT32 MaxBufSize;
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TW_UINT32 Preferred;
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} TW_SETUPMEMXFER, FAR * pTW_SETUPMEMXFER;
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/* DAT_STATUS. App gets detailed status info from a data source with this. */
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typedef struct {
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TW_UINT16 ConditionCode; /* Any TWCC_ constant */
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TW_UINT16 Reserved; /* Future expansion space */
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} TW_STATUS, FAR * pTW_STATUS;
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/* DAT_USERINTERFACE. Coordinates UI between app and data source. */
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typedef struct {
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TW_BOOL ShowUI; /* TRUE if DS should bring up its UI */
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TW_BOOL ModalUI; /* For Mac only - true if the DS's UI is modal */
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TW_HANDLE hParent; /* For windows only - App window handle */
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} TW_USERINTERFACE, FAR * pTW_USERINTERFACE;
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/* SDH - 03/21/95 - TWUNK */
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/* DAT_TWUNKIDENTITY. Provides DS identity and 'other' information necessary */
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/* across thunk link. */
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typedef struct {
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TW_IDENTITY identity; /* Identity of data source. */
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TW_STR255 dsPath; /* Full path and file name of data source. */
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} TW_TWUNKIDENTITY, FAR * pTW_TWUNKIDENTITY;
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/* SDH - 03/21/95 - TWUNK */
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/* Provides DS_Entry parameters over thunk link. */
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typedef struct
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{
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TW_INT8 destFlag; /* TRUE if dest is not NULL */
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TW_IDENTITY dest; /* Identity of data source (if used) */
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TW_INT32 dataGroup; /* DSM_Entry dataGroup parameter */
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TW_INT16 dataArgType; /* DSM_Entry dataArgType parameter */
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TW_INT16 message; /* DSM_Entry message parameter */
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TW_INT32 pDataSize; /* Size of pData (0 if NULL) */
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// TW_MEMREF pData; /* Based on implementation specifics, a */
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/* pData parameter makes no sense in this */
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/* structure, but data (if provided) will be*/
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/* appended in the data block. */
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} TW_TWUNKDSENTRYPARAMS, FAR * pTW_TWUNKDSENTRYPARAMS;
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/* SDH - 03/21/95 - TWUNK */
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/* Provides DS_Entry results over thunk link. */
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typedef struct
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{
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TW_UINT16 returnCode; /* Thunker DsEntry return code. */
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TW_UINT16 conditionCode; /* Thunker DsEntry condition code. */
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TW_INT32 pDataSize; /* Size of pData (0 if NULL) */
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// TW_MEMREF pData; /* Based on implementation specifics, a */
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/* pData parameter makes no sense in this */
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/* structure, but data (if provided) will be*/
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/* appended in the data block. */
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} TW_TWUNKDSENTRYRETURN, FAR * pTW_TWUNKDSENTRYRETURN;
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/* WJD - 950818 */
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/* Added for 1.6 Specification */
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/* TWAIN 1.6 CAP_SUPPORTEDCAPSEXT structure */
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typedef struct
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{
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TW_UINT16 Cap; /* Which CAP/ICAP info is relevant to */
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TW_UINT16 Properties; /* Messages this CAP/ICAP supports */
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} TW_CAPEXT, FAR * pTW_CAPEXT;
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/****************************************************************************
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* Generic Constants *
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****************************************************************************/
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#define TWON_PROTOCOLMINOR 5 /* Changed for Version 1.5 */
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#define TWON_PROTOCOLMAJOR 1
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#define TWON_ARRAY 3 /* indicates TW_ARRAY container */
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#define TWON_ENUMERATION 4 /* indicates TW_ENUMERATION container */
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#define TWON_ONEVALUE 5 /* indicates TW_ONEVALUE container */
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#define TWON_RANGE 6 /* indicates TW_RANGE container */
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#define TWON_ICONID 962 /* res Id of icon used in USERSELECT lbox */
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#define TWON_DSMID 461 /* res Id of the DSM version num resource */
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#define TWON_DSMCODEID 63 /* res Id of the Mac SM Code resource */
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#define TWON_DONTCARE8 0xff
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#define TWON_DONTCARE16 0xffff
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#define TWON_DONTCARE32 0xffffffff
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/* Flags used in TW_MEMORY structure. */
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#define TWMF_APPOWNS 0x1
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#define TWMF_DSMOWNS 0x2
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#define TWMF_DSOWNS 0x4
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#define TWMF_POINTER 0x8
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#define TWMF_HANDLE 0x10
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/* Palette types for TW_PALETTE8 */
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#define TWPA_RGB 0
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#define TWPA_GRAY 1
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#define TWPA_CMY 2
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/* There are four containers used for capabilities negotiation:
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* TWON_ONEVALUE, TWON_RANGE, TWON_ENUMERATION, TWON_ARRAY
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* In each container structure ItemType can be TWTY_INT8, TWTY_INT16, etc.
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* The kind of data stored in the container can be determined by doing
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* DCItemSize[ItemType] where the following is defined in TWAIN glue code:
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* DCItemSize[]= { sizeof(TW_INT8),
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* sizeof(TW_INT16),
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* etc.
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* sizeof(TW_UINT32) };
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*
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*/
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#define TWTY_INT8 0x0000 /* Means Item is a TW_INT8 */
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#define TWTY_INT16 0x0001 /* Means Item is a TW_INT16 */
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#define TWTY_INT32 0x0002 /* Means Item is a TW_INT32 */
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#define TWTY_UINT8 0x0003 /* Means Item is a TW_UINT8 */
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#define TWTY_UINT16 0x0004 /* Means Item is a TW_UINT16 */
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#define TWTY_UINT32 0x0005 /* Means Item is a TW_UINT32 */
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#define TWTY_BOOL 0x0006 /* Means Item is a TW_BOOL */
|
|
|
|
#define TWTY_FIX32 0x0007 /* Means Item is a TW_FIX32 */
|
|
|
|
#define TWTY_FRAME 0x0008 /* Means Item is a TW_FRAME */
|
|
|
|
#define TWTY_STR32 0x0009 /* Means Item is a TW_STR32 */
|
|
#define TWTY_STR64 0x000a /* Means Item is a TW_STR64 */
|
|
#define TWTY_STR128 0x000b /* Means Item is a TW_STR128 */
|
|
#define TWTY_STR255 0x000c /* Means Item is a TW_STR255 */
|
|
|
|
|
|
|
|
|
|
/****************************************************************************
|
|
* Capability Constants *
|
|
****************************************************************************/
|
|
|
|
/* ICAP_BITORDER values (BO_ means Bit Order) */
|
|
#define TWBO_LSBFIRST 0
|
|
#define TWBO_MSBFIRST 1
|
|
|
|
|
|
/* ICAP_COMPRESSION values (CP_ means ComPression ) */
|
|
#define TWCP_NONE 0
|
|
#define TWCP_PACKBITS 1
|
|
#define TWCP_GROUP31D 2 /* Follows CCITT spec (no End Of Line) */
|
|
#define TWCP_GROUP31DEOL 3 /* Follows CCITT spec (has End Of Line) */
|
|
#define TWCP_GROUP32D 4 /* Follows CCITT spec (use cap for K Factor) */
|
|
#define TWCP_GROUP4 5 /* Follows CCITT spec */
|
|
#define TWCP_JPEG 6 /* Use capability for more info */
|
|
#define TWCP_LZW 7 /* Must license from Unisys and IBM to use */
|
|
|
|
|
|
/* ICAP_IMAGEFILEFORMAT values (FF_means File Format) */
|
|
#define TWFF_TIFF 0 /* Tagged Image File Format */
|
|
#define TWFF_PICT 1 /* Macintosh PICT */
|
|
#define TWFF_BMP 2 /* Windows Bitmap */
|
|
#define TWFF_XBM 3 /* X-Windows Bitmap */
|
|
#define TWFF_JFIF 4 /* JPEG File Interchange Format */
|
|
|
|
|
|
/* ICAP_FILTER values (FT_ means Filter Type) */
|
|
#define TWFT_RED 0
|
|
#define TWFT_GREEN 1
|
|
#define TWFT_BLUE 2
|
|
#define TWFT_NONE 3
|
|
#define TWFT_WHITE 4
|
|
#define TWFT_CYAN 5
|
|
#define TWFT_MAGENTA 6
|
|
#define TWFT_YELLOW 7
|
|
#define TWFT_BLACK 8
|
|
|
|
|
|
/* ICAP_LIGHTPATH values (LP_ means Light Path) */
|
|
#define TWLP_REFLECTIVE 0
|
|
#define TWLP_TRANSMISSIVE 1
|
|
|
|
|
|
/* ICAP_LIGHTSOURCE values (LS_ means Light Source) */
|
|
#define TWLS_RED 0
|
|
#define TWLS_GREEN 1
|
|
#define TWLS_BLUE 2
|
|
#define TWLS_NONE 3
|
|
#define TWLS_WHITE 4
|
|
#define TWLS_UV 5
|
|
#define TWLS_IR 6
|
|
|
|
|
|
/* ICAP_ORIENTATION values (OR_ means ORientation) */
|
|
#define TWOR_ROT0 0
|
|
#define TWOR_ROT90 1
|
|
#define TWOR_ROT180 2
|
|
#define TWOR_ROT270 3
|
|
#define TWOR_PORTRAIT TWOR_ROT0
|
|
#define TWOR_LANDSCAPE TWOR_ROT270
|
|
|
|
|
|
/* ICAP_PLANARCHUNKY values (PC_ means Planar/Chunky ) */
|
|
#define TWPC_CHUNKY 0
|
|
#define TWPC_PLANAR 1
|
|
|
|
|
|
/* ICAP_PIXELFLAVOR values (PF_ means Pixel Flavor) */
|
|
#define TWPF_CHOCOLATE 0 /* zero pixel represents darkest shade */
|
|
#define TWPF_VANILLA 1 /* zero pixel represents lightest shade */
|
|
|
|
|
|
/* ICAP_PIXELTYPE values (PT_ means Pixel Type) */
|
|
#define TWPT_BW 0 /* Black and White */
|
|
#define TWPT_GRAY 1
|
|
#define TWPT_RGB 2
|
|
#define TWPT_PALETTE 3
|
|
#define TWPT_CMY 4
|
|
#define TWPT_CMYK 5
|
|
#define TWPT_YUV 6
|
|
#define TWPT_YUVK 7
|
|
#define TWPT_CIEXYZ 8
|
|
|
|
|
|
/* ICAP_SUPPORTEDSIZES values (SS_ means Supported Sizes) */
|
|
#define TWSS_NONE 0
|
|
#define TWSS_A4LETTER 1
|
|
#define TWSS_B5LETTER 2
|
|
#define TWSS_USLETTER 3
|
|
#define TWSS_USLEGAL 4
|
|
/* Added 1.5 */
|
|
#define TWSS_A5 5
|
|
#define TWSS_B4 6
|
|
#define TWSS_B6 7
|
|
#define TWSS_B 8
|
|
|
|
|
|
/* ICAP_XFERMECH values (SX_ means Setup XFer) */
|
|
#define TWSX_NATIVE 0
|
|
#define TWSX_FILE 1
|
|
#define TWSX_MEMORY 2
|
|
|
|
|
|
/* ICAP_UNITS values (UN_ means UNits) */
|
|
#define TWUN_INCHES 0
|
|
#define TWUN_CENTIMETERS 1
|
|
#define TWUN_PICAS 2
|
|
#define TWUN_POINTS 3
|
|
#define TWUN_TWIPS 4
|
|
#define TWUN_PIXELS 5
|
|
|
|
/* Added 1.5 */
|
|
/* ICAP_BITDEPTHREDUCTION values (BR_ means Bitdepth Reduction) */
|
|
#define TWBR_THRESHOLD 0
|
|
#define TWBR_HALFTONE 1
|
|
#define TWBR_CUSTHALFTONE 2
|
|
#define TWBR_DIFFUSION 3
|
|
|
|
|
|
/****************************************************************************
|
|
* Country Constants *
|
|
****************************************************************************/
|
|
|
|
#define TWCY_AFGHANISTAN 1001
|
|
#define TWCY_ALGERIA 213
|
|
#define TWCY_AMERICANSAMOA 684
|
|
#define TWCY_ANDORRA 033
|
|
#define TWCY_ANGOLA 1002
|
|
#define TWCY_ANGUILLA 8090
|
|
#define TWCY_ANTIGUA 8091
|
|
#define TWCY_ARGENTINA 54
|
|
#define TWCY_ARUBA 297
|
|
#define TWCY_ASCENSIONI 247
|
|
#define TWCY_AUSTRALIA 61
|
|
#define TWCY_AUSTRIA 43
|
|
#define TWCY_BAHAMAS 8092
|
|
#define TWCY_BAHRAIN 973
|
|
#define TWCY_BANGLADESH 880
|
|
#define TWCY_BARBADOS 8093
|
|
#define TWCY_BELGIUM 32
|
|
#define TWCY_BELIZE 501
|
|
#define TWCY_BENIN 229
|
|
#define TWCY_BERMUDA 8094
|
|
#define TWCY_BHUTAN 1003
|
|
#define TWCY_BOLIVIA 591
|
|
#define TWCY_BOTSWANA 267
|
|
#define TWCY_BRITAIN 6
|
|
#define TWCY_BRITVIRGINIS 8095
|
|
#define TWCY_BRAZIL 55
|
|
#define TWCY_BRUNEI 673
|
|
#define TWCY_BULGARIA 359
|
|
#define TWCY_BURKINAFASO 1004
|
|
#define TWCY_BURMA 1005
|
|
#define TWCY_BURUNDI 1006
|
|
#define TWCY_CAMAROON 237
|
|
#define TWCY_CANADA 2
|
|
#define TWCY_CAPEVERDEIS 238
|
|
#define TWCY_CAYMANIS 8096
|
|
#define TWCY_CENTRALAFREP 1007
|
|
#define TWCY_CHAD 1008
|
|
#define TWCY_CHILE 56
|
|
#define TWCY_CHINA 86
|
|
#define TWCY_CHRISTMASIS 1009
|
|
#define TWCY_COCOSIS 1009
|
|
#define TWCY_COLOMBIA 57
|
|
#define TWCY_COMOROS 1010
|
|
#define TWCY_CONGO 1011
|
|
#define TWCY_COOKIS 1012
|
|
#define TWCY_COSTARICA 506
|
|
#define TWCY_CUBA 005
|
|
#define TWCY_CYPRUS 357
|
|
#define TWCY_CZECHOSLOVAKIA 42
|
|
#define TWCY_DENMARK 45
|
|
#define TWCY_DJIBOUTI 1013
|
|
#define TWCY_DOMINICA 8097
|
|
#define TWCY_DOMINCANREP 8098
|
|
#define TWCY_EASTERIS 1014
|
|
#define TWCY_ECUADOR 593
|
|
#define TWCY_EGYPT 20
|
|
#define TWCY_ELSALVADOR 503
|
|
#define TWCY_EQGUINEA 1015
|
|
#define TWCY_ETHIOPIA 251
|
|
#define TWCY_FALKLANDIS 1016
|
|
#define TWCY_FAEROEIS 298
|
|
#define TWCY_FIJIISLANDS 679
|
|
#define TWCY_FINLAND 358
|
|
#define TWCY_FRANCE 33
|
|
#define TWCY_FRANTILLES 596
|
|
#define TWCY_FRGUIANA 594
|
|
#define TWCY_FRPOLYNEISA 689
|
|
#define TWCY_FUTANAIS 1043
|
|
#define TWCY_GABON 241
|
|
#define TWCY_GAMBIA 220
|
|
#define TWCY_GERMANY 49
|
|
#define TWCY_GHANA 233
|
|
#define TWCY_GIBRALTER 350
|
|
#define TWCY_GREECE 30
|
|
#define TWCY_GREENLAND 299
|
|
#define TWCY_GRENADA 8099
|
|
#define TWCY_GRENEDINES 8015
|
|
#define TWCY_GUADELOUPE 590
|
|
#define TWCY_GUAM 671
|
|
#define TWCY_GUANTANAMOBAY 5399
|
|
#define TWCY_GUATEMALA 502
|
|
#define TWCY_GUINEA 224
|
|
#define TWCY_GUINEABISSAU 1017
|
|
#define TWCY_GUYANA 592
|
|
#define TWCY_HAITI 509
|
|
#define TWCY_HONDURAS 504
|
|
#define TWCY_HONGKONG 852
|
|
#define TWCY_HUNGARY 36
|
|
#define TWCY_ICELAND 354
|
|
#define TWCY_INDIA 91
|
|
#define TWCY_INDONESIA 62
|
|
#define TWCY_IRAN 98
|
|
#define TWCY_IRAQ 964
|
|
#define TWCY_IRELAND 353
|
|
#define TWCY_ISRAEL 972
|
|
#define TWCY_ITALY 39
|
|
#define TWCY_IVORYCOAST 225
|
|
#define TWCY_JAMAICA 8010
|
|
#define TWCY_JAPAN 81
|
|
#define TWCY_JORDAN 962
|
|
#define TWCY_KENYA 254
|
|
#define TWCY_KIRIBATI 1018
|
|
#define TWCY_KOREA 82
|
|
#define TWCY_KUWAIT 965
|
|
#define TWCY_LAOS 1019
|
|
#define TWCY_LEBANON 1020
|
|
#define TWCY_LIBERIA 231
|
|
#define TWCY_LIBYA 218
|
|
#define TWCY_LIECHTENSTEIN 41
|
|
#define TWCY_LUXENBOURG 352
|
|
#define TWCY_MACAO 853
|
|
#define TWCY_MADAGASCAR 1021
|
|
#define TWCY_MALAWI 265
|
|
#define TWCY_MALAYSIA 60
|
|
#define TWCY_MALDIVES 960
|
|
#define TWCY_MALI 1022
|
|
#define TWCY_MALTA 356
|
|
#define TWCY_MARSHALLIS 692
|
|
#define TWCY_MAURITANIA 1023
|
|
#define TWCY_MAURITIUS 230
|
|
#define TWCY_MEXICO 3
|
|
#define TWCY_MICRONESIA 691
|
|
#define TWCY_MIQUELON 508
|
|
#define TWCY_MONACO 33
|
|
#define TWCY_MONGOLIA 1024
|
|
#define TWCY_MONTSERRAT 8011
|
|
#define TWCY_MOROCCO 212
|
|
#define TWCY_MOZAMBIQUE 1025
|
|
#define TWCY_NAMIBIA 264
|
|
#define TWCY_NAURU 1026
|
|
#define TWCY_NEPAL 977
|
|
#define TWCY_NETHERLANDS 31
|
|
#define TWCY_NETHANTILLES 599
|
|
#define TWCY_NEVIS 8012
|
|
#define TWCY_NEWCALEDONIA 687
|
|
#define TWCY_NEWZEALAND 64
|
|
#define TWCY_NICARAGUA 505
|
|
#define TWCY_NIGER 227
|
|
#define TWCY_NIGERIA 234
|
|
#define TWCY_NIUE 1027
|
|
#define TWCY_NORFOLKI 1028
|
|
#define TWCY_NORWAY 47
|
|
#define TWCY_OMAN 968
|
|
#define TWCY_PAKISTAN 92
|
|
#define TWCY_PALAU 1029
|
|
#define TWCY_PANAMA 507
|
|
#define TWCY_PARAGUAY 595
|
|
#define TWCY_PERU 51
|
|
#define TWCY_PHILLIPPINES 63
|
|
#define TWCY_PITCAIRNIS 1030
|
|
#define TWCY_PNEWGUINEA 675
|
|
#define TWCY_POLAND 48
|
|
#define TWCY_PORTUGAL 351
|
|
#define TWCY_QATAR 974
|
|
#define TWCY_REUNIONI 1031
|
|
#define TWCY_ROMANIA 40
|
|
#define TWCY_RWANDA 250
|
|
#define TWCY_SAIPAN 670
|
|
#define TWCY_SANMARINO 039
|
|
#define TWCY_SAOTOME 1033
|
|
#define TWCY_SAUDIARABIA 966
|
|
#define TWCY_SENEGAL 221
|
|
#define TWCY_SEYCHELLESIS 1034
|
|
#define TWCY_SIERRALEONE 1035
|
|
#define TWCY_SINGAPORE 65
|
|
#define TWCY_SOLOMONIS 1036
|
|
#define TWCY_SOMALI 1037
|
|
#define TWCY_SOUTHAFRICA 27
|
|
#define TWCY_SPAIN 34
|
|
#define TWCY_SRILANKA 94
|
|
#define TWCY_STHELENA 1032
|
|
#define TWCY_STKITTS 8013
|
|
#define TWCY_STLUCIA 8014
|
|
#define TWCY_STPIERRE 508
|
|
#define TWCY_STVINCENT 8015
|
|
#define TWCY_SUDAN 1038
|
|
#define TWCY_SURINAME 597
|
|
#define TWCY_SWAZILAND 268
|
|
#define TWCY_SWEDEN 46
|
|
#define TWCY_SWITZERLAND 41
|
|
#define TWCY_SYRIA 1039
|
|
#define TWCY_TAIWAN 886
|
|
#define TWCY_TANZANIA 255
|
|
#define TWCY_THAILAND 66
|
|
#define TWCY_TOBAGO 8016
|
|
#define TWCY_TOGO 228
|
|
#define TWCY_TONGAIS 676
|
|
#define TWCY_TRINIDAD 8016
|
|
#define TWCY_TUNISIA 216
|
|
#define TWCY_TURKEY 90
|
|
#define TWCY_TURKSCAICOS 8017
|
|
#define TWCY_TUVALU 1040
|
|
#define TWCY_UGANDA 256
|
|
#define TWCY_USSR 7
|
|
#define TWCY_UAEMIRATES 971
|
|
#define TWCY_UNITEDKINGDOM 44
|
|
#define TWCY_USA 1
|
|
#define TWCY_URUGUAY 598
|
|
#define TWCY_VANUATU 1041
|
|
#define TWCY_VATICANCITY 39
|
|
#define TWCY_VENEZUELA 58
|
|
#define TWCY_WAKE 1042
|
|
#define TWCY_WALLISIS 1043
|
|
#define TWCY_WESTERNSAHARA 1044
|
|
#define TWCY_WESTERNSAMOA 1045
|
|
#define TWCY_YEMEN 1046
|
|
#define TWCY_YUGOSLAVIA 38
|
|
#define TWCY_ZAIRE 243
|
|
#define TWCY_ZAMBIA 260
|
|
#define TWCY_ZIMBABWE 263
|
|
|
|
|
|
|
|
|
|
/****************************************************************************
|
|
* Language Constants *
|
|
****************************************************************************/
|
|
|
|
#define TWLG_DAN 0 /* Danish */
|
|
#define TWLG_DUT 1 /* Dutch */
|
|
#define TWLG_ENG 2 /* International English */
|
|
#define TWLG_FCF 3 /* French Canadian */
|
|
#define TWLG_FIN 4 /* Finnish */
|
|
#define TWLG_FRN 5 /* French */
|
|
#define TWLG_GER 6 /* German */
|
|
#define TWLG_ICE 7 /* Icelandic */
|
|
#define TWLG_ITN 8 /* Italian */
|
|
#define TWLG_NOR 9 /* Norwegian */
|
|
#define TWLG_POR 10 /* Portuguese */
|
|
#define TWLG_SPA 11 /* Spanish */
|
|
#define TWLG_SWE 12 /* Swedish */
|
|
#define TWLG_USA 13 /* U.S. English */
|
|
|
|
|
|
|
|
|
|
/****************************************************************************
|
|
* Data Groups *
|
|
****************************************************************************/
|
|
|
|
/* More Data Groups may be added in the future.
|
|
* Possible candidates include text, vector graphics, sound, etc.
|
|
* NOTE: Data Group constants must be powers of 2 as they are used
|
|
* as bitflags when App asks DSM to present a list of DSs.
|
|
*/
|
|
|
|
#define DG_CONTROL 0x0001L /* data pertaining to control */
|
|
#define DG_IMAGE 0x0002L /* data pertaining to raster images */
|
|
|
|
|
|
|
|
|
|
/****************************************************************************
|
|
* Data Argument Types *
|
|
****************************************************************************/
|
|
|
|
/* SDH - 03/23/95 - WATCH */
|
|
/* The thunker requires knowledge about size of data being passed in the */
|
|
/* lpData parameter to DS_Entry (which is not readily available due to */
|
|
/* type LPVOID. Thus, we key off the DAT_ argument to determine the size. */
|
|
/* This has a couple implications: */
|
|
/* 1) Any additional DAT_ features require modifications to the thunk code */
|
|
/* for thunker support. */
|
|
/* 2) Any applications which use the custom capabailites are not supported */
|
|
/* under thunking since we have no way of knowing what size data (if */
|
|
/* any) is being passed. */
|
|
|
|
#define DAT_NULL 0x0000 /* No data or structure. */
|
|
#define DAT_CUSTOMBASE 0x8000 /* Base of custom DATs. */
|
|
|
|
|
|
/* Data Argument Types for the DG_CONTROL Data Group. */
|
|
#define DAT_CAPABILITY 0x0001 /* TW_CAPABILITY */
|
|
#define DAT_EVENT 0x0002 /* TW_EVENT */
|
|
#define DAT_IDENTITY 0x0003 /* TW_IDENTITY */
|
|
#define DAT_PARENT 0x0004 /* TW_HANDLE, app win handle in Windows */
|
|
#define DAT_PENDINGXFERS 0x0005 /* TW_PENDINGXFERS */
|
|
#define DAT_SETUPMEMXFER 0x0006 /* TW_SETUPMEMXFER */
|
|
#define DAT_SETUPFILEXFER 0x0007 /* TW_SETUPFILEXFER */
|
|
#define DAT_STATUS 0x0008 /* TW_STATUS */
|
|
#define DAT_USERINTERFACE 0x0009 /* TW_USERINTERFACE */
|
|
#define DAT_XFERGROUP 0x000a /* TW_UINT32 */
|
|
/* SDH - 03/21/95 - TWUNK */
|
|
/* Additional message required for thunker to request the special */
|
|
/* identity information. */
|
|
#define DAT_TWUNKIDENTITY 0x000b /* TW_TWUNKIDENTITY */
|
|
|
|
|
|
/* Data Argument Types for the DG_IMAGE Data Group. */
|
|
#define DAT_IMAGEINFO 0x0101 /* TW_IMAGEINFO */
|
|
#define DAT_IMAGELAYOUT 0x0102 /* TW_IMAGELAYOUT */
|
|
#define DAT_IMAGEMEMXFER 0x0103 /* TW_IMAGEMEMXFER */
|
|
#define DAT_IMAGENATIVEXFER 0x0104 /* TW_UINT32 loword is hDIB, PICHandle */
|
|
#define DAT_IMAGEFILEXFER 0x0105 /* Null data */
|
|
#define DAT_CIECOLOR 0x0106 /* TW_CIECOLOR */
|
|
#define DAT_GRAYRESPONSE 0x0107 /* TW_GRAYRESPONSE */
|
|
#define DAT_RGBRESPONSE 0x0108 /* TW_RGBRESPONSE */
|
|
#define DAT_JPEGCOMPRESSION 0x0109 /* TW_JPEGCOMPRESSION */
|
|
#define DAT_PALETTE8 0x010a /* TW_PALETTE8 */
|
|
|
|
|
|
|
|
|
|
/****************************************************************************
|
|
* Messages *
|
|
****************************************************************************/
|
|
|
|
/* All message constants are unique.
|
|
* Messages are grouped according to which DATs they are used with.*/
|
|
|
|
#define MSG_NULL 0x0000 /* Used in TW_EVENT structure */
|
|
#define MSG_CUSTOMBASE 0x8000 /* Base of custom messages */
|
|
|
|
|
|
/* Generic messages may be used with any of several DATs. */
|
|
#define MSG_GET 0x0001 /* Get one or more values */
|
|
#define MSG_GETCURRENT 0x0002 /* Get current value */
|
|
#define MSG_GETDEFAULT 0x0003 /* Get default (e.g. power up) value */
|
|
#define MSG_GETFIRST 0x0004 /* Get first of a series of items, e.g. DSs */
|
|
#define MSG_GETNEXT 0x0005 /* Iterate through a series of items. */
|
|
#define MSG_SET 0x0006 /* Set one or more values */
|
|
#define MSG_RESET 0x0007 /* Set current value to default value */
|
|
|
|
|
|
/* Messages used with DAT_NULL */
|
|
#define MSG_XFERREADY 0x0101 /* The data source has data ready */
|
|
#define MSG_CLOSEDSREQ 0x0102 /* Request for App. to close DS */
|
|
|
|
|
|
/* Messages used with a pointer to a DAT_STATUS structure */
|
|
#define MSG_CHECKSTATUS 0x0201 /* Get status information */
|
|
|
|
|
|
/* Messages used with a pointer to DAT_PARENT data */
|
|
#define MSG_OPENDSM 0x0301 /* Open the DSM */
|
|
#define MSG_CLOSEDSM 0x0302 /* Close the DSM */
|
|
|
|
|
|
/* Messages used with a pointer to a DAT_IDENTITY structure */
|
|
#define MSG_OPENDS 0x0401 /* Open a data source */
|
|
#define MSG_CLOSEDS 0x0402 /* Close a data source */
|
|
#define MSG_USERSELECT 0x0403 /* Put up a dialog of all DS */
|
|
|
|
|
|
/* Messages used with a pointer to a DAT_USERINTERFACE structure */
|
|
#define MSG_DISABLEDS 0x0501 /* Disable data transfer in the DS */
|
|
#define MSG_ENABLEDS 0x0502 /* Enable data transfer in the DS */
|
|
|
|
|
|
/* Messages used with a pointer to a DAT_EVENT structure */
|
|
#define MSG_PROCESSEVENT 0x0601
|
|
|
|
|
|
/* Messages used with a pointer to a DAT_PENDINGXFERS structure */
|
|
#define MSG_ENDXFER 0x0701
|
|
|
|
|
|
|
|
|
|
/****************************************************************************
|
|
* Capabilities *
|
|
****************************************************************************/
|
|
|
|
#define CAP_CUSTOMBASE 0x8000 /* Base of custom capabilities */
|
|
|
|
|
|
/* all data sources are REQUIRED to support these caps */
|
|
#define CAP_XFERCOUNT 0x0001
|
|
|
|
|
|
/* image data sources are REQUIRED to support these caps */
|
|
#define ICAP_COMPRESSION 0x0100
|
|
#define ICAP_PIXELTYPE 0x0101
|
|
#define ICAP_UNITS 0x0102 /* default is TWUN_INCHES */
|
|
#define ICAP_XFERMECH 0x0103
|
|
|
|
|
|
/* all data sources MAY support these caps */
|
|
#define CAP_AUTHOR 0x1000
|
|
#define CAP_CAPTION 0x1001
|
|
#define CAP_FEEDERENABLED 0x1002
|
|
#define CAP_FEEDERLOADED 0x1003
|
|
#define CAP_TIMEDATE 0x1004
|
|
#define CAP_SUPPORTEDCAPS 0x1005
|
|
#define CAP_EXTENDEDCAPS 0x1006
|
|
#define CAP_AUTOFEED 0x1007
|
|
#define CAP_CLEARPAGE 0x1008
|
|
#define CAP_FEEDPAGE 0x1009
|
|
#define CAP_REWINDPAGE 0x100a
|
|
#define CAP_INDICATORS 0x100b /* Added 1.1 */
|
|
#define CAP_SUPPORTEDCAPSEXT 0x100c /* Added 1.6 */
|
|
#define CAP_PAPERDETECTABLE 0x100d /* Added 1.6 */
|
|
#define CAP_UICONTROLLABLE 0x100e /* Added 1.6 */
|
|
|
|
/* image data sources MAY support these caps */
|
|
#define ICAP_AUTOBRIGHT 0x1100
|
|
#define ICAP_BRIGHTNESS 0x1101
|
|
#define ICAP_CONTRAST 0x1103
|
|
#define ICAP_CUSTHALFTONE 0x1104
|
|
#define ICAP_EXPOSURETIME 0x1105
|
|
#define ICAP_FILTER 0x1106
|
|
#define ICAP_FLASHUSED 0x1107
|
|
#define ICAP_GAMMA 0x1108
|
|
#define ICAP_HALFTONES 0x1109
|
|
#define ICAP_HIGHLIGHT 0x110a
|
|
#define ICAP_IMAGEFILEFORMAT 0x110c
|
|
#define ICAP_LAMPSTATE 0x110d
|
|
#define ICAP_LIGHTSOURCE 0x110e
|
|
#define ICAP_ORIENTATION 0x1110
|
|
#define ICAP_PHYSICALWIDTH 0x1111
|
|
#define ICAP_PHYSICALHEIGHT 0x1112
|
|
#define ICAP_SHADOW 0x1113
|
|
#define ICAP_FRAMES 0x1114
|
|
#define ICAP_XNATIVERESOLUTION 0x1116
|
|
#define ICAP_YNATIVERESOLUTION 0x1117
|
|
#define ICAP_XRESOLUTION 0x1118
|
|
#define ICAP_YRESOLUTION 0x1119
|
|
#define ICAP_MAXFRAMES 0x111a
|
|
#define ICAP_TILES 0x111b
|
|
#define ICAP_BITORDER 0x111c
|
|
#define ICAP_CCITTKFACTOR 0x111d
|
|
#define ICAP_LIGHTPATH 0x111e
|
|
#define ICAP_PIXELFLAVOR 0x111f
|
|
#define ICAP_PLANARCHUNKY 0x1120
|
|
#define ICAP_ROTATION 0x1121
|
|
#define ICAP_SUPPORTEDSIZES 0x1122
|
|
#define ICAP_THRESHOLD 0x1123
|
|
#define ICAP_XSCALING 0x1124
|
|
#define ICAP_YSCALING 0x1125
|
|
#define ICAP_BITORDERCODES 0x1126
|
|
#define ICAP_PIXELFLAVORCODES 0x1127
|
|
#define ICAP_JPEGPIXELTYPE 0x1128
|
|
#define ICAP_TIMEFILL 0x112a
|
|
#define ICAP_BITDEPTH 0x112b
|
|
#define ICAP_BITDEPTHREDUCTION 0x112c /* Added 1.5 */
|
|
|
|
|
|
/***************************************************************************
|
|
* Return Codes and Condition Codes section *
|
|
***************************************************************************/
|
|
|
|
/* Return Codes: DSM_Entry and DS_Entry may return any one of these values. */
|
|
#define TWRC_CUSTOMBASE 0x8000
|
|
|
|
#define TWRC_SUCCESS 0
|
|
#define TWRC_FAILURE 1 /* App may get TW_STATUS for info on failure */
|
|
#define TWRC_CHECKSTATUS 2 /* "tried hard"; get status */
|
|
#define TWRC_CANCEL 3
|
|
#define TWRC_DSEVENT 4
|
|
#define TWRC_NOTDSEVENT 5
|
|
#define TWRC_XFERDONE 6
|
|
#define TWRC_ENDOFLIST 7 /* After MSG_GETNEXT if nothing left */
|
|
|
|
|
|
/* Condition Codes: App gets these by doing DG_CONTROL DAT_STATUS MSG_GET. */
|
|
#define TWCC_CUSTOMBASE 0x8000
|
|
|
|
#define TWCC_SUCCESS 0 /* It worked! */
|
|
#define TWCC_BUMMER 1 /* Failure due to unknown causes */
|
|
#define TWCC_LOWMEMORY 2 /* Not enough memory to perform operation */
|
|
#define TWCC_NODS 3 /* No Data Source */
|
|
#define TWCC_MAXCONNECTIONS 4 /* DS is connected to max possible apps */
|
|
#define TWCC_OPERATIONERROR 5 /* DS or DSM reported error, app shouldn't */
|
|
#define TWCC_BADCAP 6 /* Unknown capability */
|
|
#define TWCC_BADPROTOCOL 9 /* Unrecognized MSG DG DAT combination */
|
|
#define TWCC_BADVALUE 10 /* Data parameter out of range */
|
|
#define TWCC_SEQERROR 11 /* DG DAT MSG out of expected sequence */
|
|
#define TWCC_BADDEST 12 /* Unknown destination App/Src in DSM_Entry */
|
|
|
|
|
|
|
|
|
|
/****************************************************************************
|
|
* Entry Points *
|
|
****************************************************************************/
|
|
|
|
|
|
/**********************************************************************
|
|
* Function: DSM_Entry, the only entry point into the Data Source Manager.
|
|
*
|
|
* Parameters:
|
|
* pOrigin Identifies the source module of the message. This could
|
|
* identify an Application, a Source, or the Source Manager.
|
|
*
|
|
* pDest Identifies the destination module for the message.
|
|
* This could identify an application or a data source.
|
|
* If this is NULL, the message goes to the Source Manager.
|
|
*
|
|
* DG The Data Group.
|
|
* Example: DG_IMAGE.
|
|
*
|
|
* DAT The Data Attribute Type.
|
|
* Example: DAT_IMAGEMEMXFER.
|
|
*
|
|
* MSG The message. Messages are interpreted by the destination module
|
|
* with respect to the Data Group and the Data Attribute Type.
|
|
* Example: MSG_GET.
|
|
*
|
|
* pData A pointer to the data structure or variable identified
|
|
* by the Data Attribute Type.
|
|
* Example: (TW_MEMREF)&ImageMemXfer
|
|
* where ImageMemXfer is a TW_IMAGEMEMXFER structure.
|
|
*
|
|
* Returns:
|
|
* ReturnCode
|
|
* Example: TWRC_SUCCESS.
|
|
*
|
|
********************************************************************/
|
|
|
|
/* Don't mangle the name "DSM_Entry" if we're compiling in C++! */
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif /* __cplusplus */
|
|
|
|
#ifdef _MSWIN_
|
|
TW_UINT16 FAR PASCAL DSM_Entry( pTW_IDENTITY pOrigin,
|
|
pTW_IDENTITY pDest,
|
|
TW_UINT32 DG,
|
|
TW_UINT16 DAT,
|
|
TW_UINT16 MSG,
|
|
TW_MEMREF pData);
|
|
|
|
typedef TW_UINT16 (FAR PASCAL *DSMENTRYPROC)(pTW_IDENTITY, pTW_IDENTITY,
|
|
TW_UINT32, TW_UINT16,
|
|
TW_UINT16, TW_MEMREF);
|
|
#else /* _MSWIN_ */
|
|
|
|
FAR PASCAL TW_UINT16 DSM_Entry( pTW_IDENTITY pOrigin,
|
|
pTW_IDENTITY pDest,
|
|
TW_UINT32 DG,
|
|
TW_UINT16 DAT,
|
|
TW_UINT16 MSG,
|
|
TW_MEMREF pData);
|
|
|
|
typedef TW_UINT16 (*DSMENTRYPROC)(pTW_IDENTITY, pTW_IDENTITY,
|
|
TW_UINT32, TW_UINT16,
|
|
TW_UINT16, TW_MEMREF);
|
|
#endif /* _MSWIN_ */
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif /* cplusplus */
|
|
|
|
|
|
/**********************************************************************
|
|
* Function: DS_Entry, the entry point provided by a Data Source.
|
|
*
|
|
* Parameters:
|
|
* pOrigin Identifies the source module of the message. This could
|
|
* identify an application or the Data Source Manager.
|
|
*
|
|
* DG The Data Group.
|
|
* Example: DG_IMAGE.
|
|
*
|
|
* DAT The Data Attribute Type.
|
|
* Example: DAT_IMAGEMEMXFER.
|
|
*
|
|
* MSG The message. Messages are interpreted by the data source
|
|
* with respect to the Data Group and the Data Attribute Type.
|
|
* Example: MSG_GET.
|
|
*
|
|
* pData A pointer to the data structure or variable identified
|
|
* by the Data Attribute Type.
|
|
* Example: (TW_MEMREF)&ImageMemXfer
|
|
* where ImageMemXfer is a TW_IMAGEMEMXFER structure.
|
|
*
|
|
* Returns:
|
|
* ReturnCode
|
|
* Example: TWRC_SUCCESS.
|
|
*
|
|
* Note:
|
|
* The DSPROC type is only used by an application when it calls
|
|
* a Data Source directly, bypassing the Data Source Manager.
|
|
*
|
|
********************************************************************/
|
|
/* Don't mangle the name "DS_Entry" if we're compiling in C++! */
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif /* __cplusplus */
|
|
|
|
#ifdef _MSWIN_
|
|
TW_UINT16 FAR PASCAL DS_Entry( pTW_IDENTITY pOrigin,
|
|
TW_UINT32 DG,
|
|
TW_UINT16 DAT,
|
|
TW_UINT16 MSG,
|
|
TW_MEMREF pData);
|
|
|
|
typedef TW_UINT16 (FAR PASCAL *DSENTRYPROC)(pTW_IDENTITY,
|
|
TW_UINT32, TW_UINT16,
|
|
TW_UINT16, TW_MEMREF);
|
|
|
|
#else /* _MSWIN_ */
|
|
FAR PASCAL TW_UINT16 DS_Entry( pTW_IDENTITY pOrigin,
|
|
TW_UINT32 DG,
|
|
TW_UINT16 DAT,
|
|
TW_UINT16 MSG,
|
|
TW_MEMREF pData);
|
|
|
|
typedef TW_UINT16 (*DSENTRYPROC)(pTW_IDENTITY,
|
|
TW_UINT32, TW_UINT16,
|
|
TW_UINT16, TW_MEMREF);
|
|
#endif /* _MSWIN_ */
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif /* cplusplus */
|
|
|
|
/* SDH - 02/08/95 - TWUNK */
|
|
/* Force 32-bit twain to use same packing of twain structures as existing */
|
|
/* 16-bit twain. This allows 16/32-bit thunking. */
|
|
#ifdef WIN32
|
|
#pragma pack (pop, before_twain)
|
|
#else /* WIN32 */
|
|
#endif /* WIN32 */
|
|
|
|
#endif /* TWAIN */
|