1 #pragma once
2 
3 /* ======================================================================== *\
4 
5   Copyright (C) 2007 TWAIN Working Group: Adobe Systems Incorporated,
6   AnyDoc Software Inc., Eastman Kodak Company, Fujitsu Computer Products
7   of America, JFL Peripheral Solutions Inc., Ricoh Corporation, and
8   Xerox Corporation.  All rights reserved.
9 
10   Copyright (C) 1991, 1992 TWAIN Working Group: Aldus, Caere, Eastman-Kodak,
11   Hewlett-Packard and Logitech Corporations.  All rights reserved.
12 
13   Copyright (C) 1997 TWAIN Working Group: Bell+Howell, Canon, DocuMagix,
14   Fujitsu, Genoa Technology, Hewlett-Packard, Kofax Imaging Products, and
15   Ricoh Corporation.  All rights reserved.
16 
17   Copyright © 1998 TWAIN Working Group: Adobe Systems Incorporated,
18   Canon Information Systems, Eastman Kodak Company,
19   Fujitsu Computer Products of America, Genoa Technology,
20   Hewlett-Packard Company, Intel Corporation, Kofax Image Products,
21   JFL Peripheral Solutions Inc., Ricoh Corporation, and Xerox Corporation.
22   All rights reserved.
23 
24   Copyright © 2000 TWAIN Working Group: Adobe Systems Incorporated,
25   Canon Information Systems, Digimarc Corporation, Eastman Kodak Company,
26   Fujitsu Computer Products of America, Hewlett-Packard Company,
27   JFL Peripheral Solutions Inc., Ricoh Corporation, and Xerox Corporation.
28   All rights reserved.
29 
30 
31   TWAIN.h -  This is the definitive include file for applications and
32           data sources written to the TWAIN specification.
33           It defines constants, data structures, messages etc.
34           for the public interface to TWAIN.
35 
36   Revision History:
37     version 1.0, March 6, 1992.  TWAIN 1.0.
38     version 1.1, January 1993.   Tech Notes 1.1
39     version 1.5, June 1993.      Specification Update 1.5
40                                  Change DC to TW
41                                  Change filename from DC.H to TWAIN.H
42     version 1.5, July 1993.      Remove spaces from country identifiers
43 
44     version 1.7, July 1997       Added Capabilities and data structure for
45                                  document imaging and digital cameras.
46                                  KHL.
47     version 1.7, July 1997       Inserted Borland compatibile structure packing
48                                  directives provided by Mentor.  JMH
49     version 1.7, Aug 1997        Expanded file tabs to spaces.
50                                  NOTE: future authors should be sure to have
51                                  their editors set to automatically expand tabs
52                                  to spaces (original tab setting was 4 spaces).
53     version 1.7, Sept 1997       Added job control values
54                                  Added return codes
55     version 1.7, Sept 1997       changed definition of pRGBRESPONSE to
56                                  pTW_RGBRESPONSE
57     version 1.7  Aug 1998        Added missing TWEI_BARCODEROTATION values
58                                  TWBCOR_ types JMH
59     version 1.8  August 1998     Added new types and definitions required
60                                  for 1.8 Specification JMH
61     version 1.8  January 1999    Changed search mode from SRCH_ to TWBD_ as
62                                  in 1.8 Specification, added TWBT_MAXICODE JMH
63     version 1.8  January 1999    Removed undocumented duplicate AUTO<cap> JMH
64     version 1.8  March 1999      Removed undocumented 1.8 caps:
65                                  CAP_FILESYSTEM
66                                  CAP_PAPERBINDING
67                                  CAP_PASSTHRU
68                                  CAP_POWERDOWNTIME
69                                  ICAP_AUTODISCARDBLANKPAGES
70                                * CAP_PAGEMULTIPLEACQUIRE - is
71 CAP_REACQUIREALLOWED,
72                                requires spec change.  JMH
73                                  Added Mac structure packing modifications JMH
74     version 1.9  March 2000  Added new types and definations required
75                              for 1.9 Specification MLM
76     version 1.9  March 2000  Added ICAP_JPEGQUALITY, TWJQ_ values,
77                                  updated TWON_PROTOCOLMINOR for Release v1.9 MN
78     version 1.91 August 2007     Added new types and definitions required
79                                  for 1.91 Specification MLM
80     version 2.0  Sept 2007       Added new types and definitions required
81                                  for 2.0 Specification FHH
82     version 2.0  Mar 2008        Depreciated ICAP_PIXELTYPEs TWPT_SRGB64,
83 TWPT_BGR,
84                                  TWPT_CIELAB, TWPT_CIELUV, and TWPT_YCBCR  JMW
85     version 2.0  Mar 2008        Added missing new 2.0 CAP_ definitions JMW
86     version 2.0  Dec 2008        Updated TW_INFO structure for 64bit JMW
87     version 2.1  Mar 2009        Added new types and definitions required
88                                  for 2.1 Specification JMW
89 \* ======================================================================== */
90 
91 #ifndef TWAIN
92 #define TWAIN
93 
94 /****************************************************************************
95  * TWAIN Version                                                            *
96  ****************************************************************************/
97 #define TWON_PROTOCOLMINOR 1 /* Changed for Version 2.1            */
98 #define TWON_PROTOCOLMAJOR 2
99 
100 /****************************************************************************
101  * Platform Dependent Definitions and Typedefs                              *
102  ****************************************************************************/
103 
104 #if defined(LINUX) || defined(FREEBSD)
105 #include <wchar.h>
106 #endif
107 
108 /* Microsoft C/C++ Compiler */
109 #if defined(_WIN32) || defined(WIN64) || defined(_WINDOWS)
110 #define TWH_CMP_MSC
111 #if defined(_WIN64) || defined(WIN64)
112 #define TWH_64BIT
113 #elif defined(_WIN32) || defined(_WIN32)
114 #define TWH_32BIT
115 #endif
116 
117 /* Apple Compiler (which is GNU now) */
118 #elif defined(__APPLE__)
119 #define TWH_CMP_XCODE
120 #define TWH_32BIT
121 
122 /* GNU C/C++ Compiler */
123 #elif defined(__GNUC__)
124 #define TWH_CMP_GNU
125 #if defined(__alpha__) || defined(__ia64__) || defined(__ppc64__) ||           \
126     defined(__s390x__) || defined(__x86_64__)
127 #define TWH_64BIT
128 #else
129 #define TWH_32BIT
130 #endif
131 
132 /* Borland C/C++ Compiler */
133 #elif defined(__BORLAND__)
134 #define TWH_CMP_BORLAND
135 #define TWH_32BIT
136 /* Unrecognized */
137 #else
138 #error Unrecognized compiler
139 #endif
140 
141 /* Win32 and Win64 systems */
142 #if defined(TWH_CMP_MSC) | defined(TWH_CMP_BORLAND)
143 #include <windows.h>
144 typedef HANDLE TW_HANDLE;
145 typedef LPVOID TW_MEMREF;
146 typedef UINT_PTR TW_UINTPTR;
147 
148 /* MacOS/X... */
149 #elif defined(TWH_CMP_XCODE)
150 #include <Cocoa/Cocoa.h>
151 #define PASCAL pascal
152 #define FAR
153 typedef Handle TW_HANDLE;
154 typedef char *TW_MEMREF;
155 
156 #ifdef TWH_32BIT
157 // 32 bit GNU
158 typedef unsigned long TW_UINTPTR;
159 #else
160 // 64 bit GNU
161 typedef unsigned long long TW_UINTPTR;
162 #endif
163 
164 /* Everything else... */
165 #else
166 #define PASCAL
167 #define FAR
168 typedef void *TW_HANDLE;
169 typedef void *TW_MEMREF;
170 typedef unsigned char BYTE;
171 
172 #ifdef TWH_32BIT
173 // 32 bit GNU
174 typedef unsigned long TW_UINTPTR;
175 #else
176 // 64 bit GNU
177 typedef unsigned long long TW_UINTPTR;
178 #endif
179 #endif
180 
181 /* Set the packing: this occurs before any structures are defined */
182 #ifdef TWH_CMP_MSC
183 #pragma pack(push, before_twain)
184 #pragma pack(2)
185 #elif defined(TWH_CMP_GNU)
186 #pragma pack(push, before_twain)
187 #pragma pack(2)
188 #elif defined(TWH_CMP_BORLAND)
189 #pragma option -a2
190 #elif defined(TWH_CMP_XCODE)
191 #if PRAGMA_STRUCT_ALIGN
192 #pragma options align = mac68k
193 #elif PRAGMA_STRUCT_PACKPUSH
194 #pragma pack(push, 2)
195 #elif PRAGMA_STRUCT_PACK
196 #pragma pack(2)
197 #endif
198 #endif
199 
200 /****************************************************************************
201  * Type Definitions                                                         *
202  ****************************************************************************/
203 
204 /* String types. These include room for the strings and a NULL char,     *
205  * or, on the Mac, a length byte followed by the string.                 *
206  * TW_STR255 must hold less than 256 chars so length fits in first byte. */
207 typedef char TW_STR32[34], FAR *pTW_STR32;
208 typedef char TW_STR64[66], FAR *pTW_STR64;
209 typedef char TW_STR128[130], FAR *pTW_STR128;
210 typedef char TW_STR255[256], FAR *pTW_STR255;
211 
212 /* Numeric types. */
213 typedef char TW_INT8, FAR *pTW_INT8;
214 typedef short TW_INT16, FAR *pTW_INT16;
215 typedef long TW_INT32, FAR *pTW_INT32;
216 typedef unsigned char TW_UINT8, FAR *pTW_UINT8;
217 typedef unsigned short TW_UINT16, FAR *pTW_UINT16;
218 typedef unsigned long TW_UINT32, FAR *pTW_UINT32;
219 typedef unsigned short TW_BOOL, FAR *pTW_BOOL;
220 
221 /****************************************************************************
222  * Structure Definitions                                                    *
223  ****************************************************************************/
224 
225 /* Fixed point structure type. */
226 typedef struct {
227   TW_INT16 Whole; /* maintains the sign */
228   TW_UINT16 Frac;
229 } TW_FIX32, FAR *pTW_FIX32;
230 
231 /* No DAT.  Defines a frame rectangle in ICAP_UNITS coordinates. */
232 typedef struct {
233   TW_FIX32 Left;
234   TW_FIX32 Top;
235   TW_FIX32 Right;
236   TW_FIX32 Bottom;
237 } TW_FRAME, FAR *pTW_FRAME;
238 
239 /* No DAT needed. */
240 typedef struct {
241   TW_FIX32 StartIn;
242   TW_FIX32 BreakIn;
243   TW_FIX32 EndIn;
244   TW_FIX32 StartOut;
245   TW_FIX32 BreakOut;
246   TW_FIX32 EndOut;
247   TW_FIX32 Gamma;
248   TW_FIX32 SampleCount; /* if =0 use the gamma */
249 } TW_DECODEFUNCTION, FAR *pTW_DECODEFUNCTION;
250 
251 /* No DAT needed. */
252 typedef struct {
253   TW_DECODEFUNCTION Decode[3];
254   TW_FIX32 Mix[3][3];
255 } TW_TRANSFORMSTAGE, FAR *pTW_TRANSFORMSTAGE;
256 
257 /* TWON_ARRAY. Container for array of values (a simplified TW_ENUMERATION) */
258 typedef struct {
259   TW_UINT16 ItemType;
260   TW_UINT32 NumItems;   /* How many items in ItemList           */
261   TW_UINT8 ItemList[1]; /* Array of ItemType values starts here */
262 } TW_ARRAY, FAR *pTW_ARRAY;
263 
264 /* DAT_AUDIOINFO, information about audio data */
265 typedef struct {
266   TW_STR255 Name;     /* name of audio data */
267   TW_UINT32 Reserved; /* reserved space */
268 } TW_AUDIOINFO, FAR *pTW_AUDIOINFO;
269 
270 /* TW_CALLBACK, used to register callbacks Added 2.0 */
271 typedef struct {
272   TW_MEMREF CallBackProc;
273   TW_UINT32 RefCon;
274   TW_INT16 Message;
275 } TW_CALLBACK, FAR *pTW_CALLBACK;
276 
277 /* DAT_CAPABILITY. Used by application to get/set capability from/in a data
278  * source. */
279 typedef struct {
280   TW_UINT16 Cap;     /* id of capability to set or get, e.g. CAP_BRIGHTNESS */
281   TW_UINT16 ConType; /* TWON_ONEVALUE, _RANGE, _ENUMERATION or _ARRAY   */
282   TW_HANDLE hContainer; /* Handle to container of type Dat              */
283 } TW_CAPABILITY, FAR *pTW_CAPABILITY;
284 
285 /* No DAT needed. */
286 typedef struct {
287   TW_FIX32 X;
288   TW_FIX32 Y;
289   TW_FIX32 Z;
290 } TW_CIEPOINT, FAR *pTW_CIEPOINT;
291 
292 /* DAT_CIECOLOR. */
293 typedef struct {
294   TW_UINT16 ColorSpace;
295   TW_INT16 LowEndian;
296   TW_INT16 DeviceDependent;
297   TW_INT32 VersionNumber;
298   TW_TRANSFORMSTAGE StageABC;
299   TW_TRANSFORMSTAGE StageLMN;
300   TW_CIEPOINT WhitePoint;
301   TW_CIEPOINT BlackPoint;
302   TW_CIEPOINT WhitePaper;
303   TW_CIEPOINT BlackInk;
304   TW_FIX32 Samples[1];
305 } TW_CIECOLOR, FAR *pTW_CIECOLOR;
306 
307 typedef struct {
308   TW_UINT32 InfoLength; /* Length of Information in bytes.  */
309   TW_HANDLE hData;      /* Place holder for data, DS Allocates */
310 } TW_CUSTOMDSDATA, FAR *pTW_CUSTOMDSDATA;
311 
312 /* DAT_DEVICEEVENT, information about events */
313 typedef struct {
314   TW_UINT32 Event;      /* One of the TWDE_xxxx values. */
315   TW_STR255 DeviceName; /* The name of the device that generated the event */
316   TW_UINT32 BatteryMinutes;         /* Battery Minutes Remaining    */
317   TW_INT16 BatteryPercentage;       /* Battery Percentage Remaining */
318   TW_INT32 PowerSupply;             /* Power Supply                 */
319   TW_FIX32 XResolution;             /* Resolution                   */
320   TW_FIX32 YResolution;             /* Resolution                   */
321   TW_UINT32 FlashUsed2;             /* Flash Used2                  */
322   TW_UINT32 AutomaticCapture;       /* Automatic Capture            */
323   TW_UINT32 TimeBeforeFirstCapture; /* Automatic Capture            */
324   TW_UINT32 TimeBetweenCaptures;    /* Automatic Capture            */
325 } TW_DEVICEEVENT, FAR *pTW_DEVICEEVENT;
326 
327 /* No DAT needed. */
328 typedef struct {
329   TW_UINT8 Index;    /* Value used to index into the color table. */
330   TW_UINT8 Channel1; /* First  tri-stimulus value (e.g Red)       */
331   TW_UINT8 Channel2; /* Second tri-stimulus value (e.g Green)     */
332   TW_UINT8 Channel3; /* Third  tri-stimulus value (e.g Blue)      */
333 } TW_ELEMENT8, FAR *pTW_ELEMENT8;
334 
335 /* TWON_ENUMERATION. Container for a collection of values. */
336 typedef struct {
337   TW_UINT16 ItemType;
338   TW_UINT32 NumItems;     /* How many items in ItemList                 */
339   TW_UINT32 CurrentIndex; /* Current value is in ItemList[CurrentIndex] */
340   TW_UINT32 DefaultIndex; /* Powerup value is in ItemList[DefaultIndex] */
341   TW_UINT8 ItemList[1];   /* Array of ItemType values starts here       */
342 } TW_ENUMERATION, FAR *pTW_ENUMERATION;
343 
344 /* DAT_EVENT. For passing events down from the application to the DS. */
345 typedef struct {
346   TW_MEMREF pEvent;    /* Windows pMSG or Mac pEvent.                 */
347   TW_UINT16 TWMessage; /* TW msg from data source, e.g. MSG_XFERREADY */
348 } TW_EVENT, FAR *pTW_EVENT;
349 
350 typedef struct {
351   TW_UINT16 InfoID;
352   TW_UINT16 ItemType;
353   TW_UINT16 NumItems;
354   union {
355     TW_UINT16 CondCode; /* Depreciated, use ReturnCode. TWAIN 2.0 and older. */
356     TW_UINT16 ReturnCode; /* TWAIN 2.1 and newer */
357   };
358   TW_UINTPTR Item;
359 } TW_INFO, FAR *pTW_INFO;
360 
361 typedef struct {
362   TW_UINT32 NumInfos;
363   TW_INFO Info[1];
364 } TW_EXTIMAGEINFO, FAR *pTW_EXTIMAGEINFO;
365 
366 /* DAT_FILESYSTEM, information about TWAIN file system */
367 typedef struct {
368   /* DG_CONTROL / DAT_FILESYSTEM / MSG_xxxx fields     */
369   TW_STR255 InputName;  /* The name of the input or source file */
370   TW_STR255 OutputName; /* The result of an operation or the name of a
371                            destination file */
372   TW_MEMREF
373   Context; /* Source specific data used to remember state information */
374   /* DG_CONTROL / DAT_FILESYSTEM / MSG_DELETE field    */
375   int Recursive; /* recursively delete all sub-directories */
376   /* DG_CONTROL / DAT_FILESYSTEM / MSG_GETINFO fields  */
377   TW_INT32 FileType;         /* One of the TWFY_xxxx values */
378   TW_UINT32 Size;            /* Size of current FileType */
379   TW_STR32 CreateTimeDate;   /* creation date of the file */
380   TW_STR32 ModifiedTimeDate; /* last date the file was modified */
381   TW_UINT32 FreeSpace;       /* bytes of free space on the current device */
382   TW_INT32 NewImageSize;   /* estimate of the amount of space a new image would
383                               take up */
384   TW_UINT32 NumberOfFiles; /* number of files, depends on FileType */
385   TW_UINT32 NumberOfSnippets; /* number of audio snippets */
386   TW_UINT32 DeviceGroupMask;  /* used to group cameras (ex: front/rear bitonal,
387                                  front/rear grayscale...) */
388   char Reserved[508];         /**/
389 } TW_FILESYSTEM, FAR *pTW_FILESYSTEM;
390 
391 /* DAT_GRAYRESPONSE */
392 typedef struct {
393   TW_ELEMENT8 Response[1];
394 } TW_GRAYRESPONSE, FAR *pTW_GRAYRESPONSE;
395 
396 /* No DAT needed.  Describes version of software currently running. */
397 typedef struct {
398   TW_UINT16 MajorNum; /* Major revision number of the software. */
399   TW_UINT16 MinorNum; /* Incremental revision number of the software. */
400   TW_UINT16 Language; /* e.g. TWLG_SWISSFRENCH */
401   TW_UINT16 Country;  /* e.g. TWCY_SWITZERLAND */
402   TW_STR32 Info;      /* e.g. "1.0b3 Beta release" */
403 } TW_VERSION, FAR *pTW_VERSION;
404 
405 /* DAT_IDENTITY. Identifies the program/library/code resource. */
406 typedef struct {
407   TW_UINT32 Id;       /* Unique number.  In Windows, application hWnd      */
408   TW_VERSION Version; /* Identifies the piece of code              */
409   TW_UINT16
410   ProtocolMajor; /* Application and DS must set to TWON_PROTOCOLMAJOR */
411   TW_UINT16
412   ProtocolMinor; /* Application and DS must set to TWON_PROTOCOLMINOR */
413   TW_UINT32 SupportedGroups; /* Bit field OR combination of DG_ constants */
414   TW_STR32 Manufacturer;     /* Manufacturer name, e.g. "Hewlett-Packard" */
415   TW_STR32 ProductFamily;    /* Product family name, e.g. "ScanJet"       */
416   TW_STR32 ProductName;      /* Product name, e.g. "ScanJet Plus"         */
417 } TW_IDENTITY, FAR *pTW_IDENTITY;
418 
419 /* DAT_IMAGEINFO. Application gets detailed image info from DS with this. */
420 typedef struct {
421   TW_FIX32 XResolution;      /* Resolution in the horizontal             */
422   TW_FIX32 YResolution;      /* Resolution in the vertical               */
423   TW_INT32 ImageWidth;       /* Columns in the image, -1 if unknown by DS*/
424   TW_INT32 ImageLength;      /* Rows in the image, -1 if unknown by DS   */
425   TW_INT16 SamplesPerPixel;  /* Number of samples per pixel, 3 for RGB   */
426   TW_INT16 BitsPerSample[8]; /* Number of bits for each sample           */
427   TW_INT16 BitsPerPixel;     /* Number of bits for each padded pixel     */
428   TW_BOOL Planar;            /* True if Planar, False if chunky          */
429   TW_INT16 PixelType;        /* How to interp data; photo interp (TWPT_) */
430   TW_UINT16 Compression;     /* How the data is compressed (TWCP_xxxx)   */
431 } TW_IMAGEINFO, FAR *pTW_IMAGEINFO;
432 
433 /* DAT_IMAGELAYOUT. Provides image layout information in current units. */
434 typedef struct {
435   TW_FRAME Frame; /* Frame coords within larger document */
436   TW_UINT32 DocumentNumber;
437   TW_UINT32 PageNumber;  /* Reset when you go to next document  */
438   TW_UINT32 FrameNumber; /* Reset when you go to next page      */
439 } TW_IMAGELAYOUT, FAR *pTW_IMAGELAYOUT;
440 
441 /* No DAT needed.  Used to manage memory buffers. */
442 typedef struct {
443   TW_UINT32 Flags;  /* Any combination of the TWMF_ constants.           */
444   TW_UINT32 Length; /* Number of bytes stored in buffer TheMem.          */
445   TW_MEMREF TheMem; /* Pointer or handle to the allocated memory buffer. */
446 } TW_MEMORY, FAR *pTW_MEMORY;
447 
448 /* DAT_IMAGEMEMXFER. Used to pass image data (e.g. in strips) from DS to
449  * application.*/
450 typedef struct {
451   TW_UINT16 Compression;  /* How the data is compressed                */
452   TW_UINT32 BytesPerRow;  /* Number of bytes in a row of data          */
453   TW_UINT32 Columns;      /* How many columns                          */
454   TW_UINT32 Rows;         /* How many rows                             */
455   TW_UINT32 XOffset;      /* How far from the side of the image        */
456   TW_UINT32 YOffset;      /* How far from the top of the image         */
457   TW_UINT32 BytesWritten; /* How many bytes written in Memory          */
458   TW_MEMORY Memory;       /* Mem struct used to pass actual image data */
459 } TW_IMAGEMEMXFER, FAR *pTW_IMAGEMEMXFER;
460 
461 /* Changed in 1.1: QuantTable, HuffmanDC, HuffmanAC TW_MEMREF -> TW_MEMORY  */
462 /* DAT_JPEGCOMPRESSION. Based on JPEG Draft International Std, ver 10918-1. */
463 typedef struct {
464   TW_UINT16 ColorSpace;       /* One of the TWPT_xxxx values                */
465   TW_UINT32 SubSampling;      /* Two word "array" for subsampling values    */
466   TW_UINT16 NumComponents;    /* Number of color components in image        */
467   TW_UINT16 RestartFrequency; /* Frequency of restart marker codes in MDU's */
468   TW_UINT16 QuantMap[4];      /* Mapping of components to QuantTables       */
469   TW_MEMORY QuantTable[4];    /* Quantization tables                        */
470   TW_UINT16 HuffmanMap[4];    /* Mapping of components to Huffman tables    */
471   TW_MEMORY HuffmanDC[2];     /* DC Huffman tables                          */
472   TW_MEMORY HuffmanAC[2];     /* AC Huffman tables                          */
473 } TW_JPEGCOMPRESSION, FAR *pTW_JPEGCOMPRESSION;
474 
475 /* TWON_ONEVALUE. Container for one value. */
476 typedef struct {
477   TW_UINT16 ItemType;
478   TW_UINT32 Item;
479 } TW_ONEVALUE, FAR *pTW_ONEVALUE;
480 
481 /* DAT_PALETTE8. Color palette when TWPT_PALETTE pixels xfer'd in mem buf. */
482 typedef struct {
483   TW_UINT16 NumColors;     /* Number of colors in the color table.  */
484   TW_UINT16 PaletteType;   /* TWPA_xxxx, specifies type of palette. */
485   TW_ELEMENT8 Colors[256]; /* Array of palette values starts here.  */
486 } TW_PALETTE8, FAR *pTW_PALETTE8;
487 
488 /* DAT_PASSTHRU, device dependant data to pass through Data Source */
489 typedef struct {
490   TW_MEMREF pCommand;     /* Pointer to Command buffer */
491   TW_UINT32 CommandBytes; /* Number of bytes in Command buffer */
492   TW_INT32 Direction;  /* One of the TWDR_xxxx values.  Defines the direction of
493                           data flow */
494   TW_MEMREF pData;     /* Pointer to Data buffer */
495   TW_UINT32 DataBytes; /* Number of bytes in Data buffer */
496   TW_UINT32 DataBytesXfered; /* Number of bytes successfully transferred */
497 } TW_PASSTHRU, FAR *pTW_PASSTHRU;
498 
499 /* DAT_PENDINGXFERS. Used with MSG_ENDXFER to indicate additional data. */
500 typedef struct {
501   TW_UINT16 Count;
502   union {
503     TW_UINT32 EOJ;
504     TW_UINT32 Reserved;
505   };
506 } TW_PENDINGXFERS, FAR *pTW_PENDINGXFERS;
507 
508 /* TWON_RANGE. Container for a range of values. */
509 typedef struct {
510   TW_UINT16 ItemType;
511   TW_UINT32 MinValue;     /* Starting value in the range.           */
512   TW_UINT32 MaxValue;     /* Final value in the range.              */
513   TW_UINT32 StepSize;     /* Increment from MinValue to MaxValue.   */
514   TW_UINT32 DefaultValue; /* Power-up value.                        */
515   TW_UINT32 CurrentValue; /* The value that is currently in effect. */
516 } TW_RANGE, FAR *pTW_RANGE;
517 
518 /* DAT_RGBRESPONSE */
519 typedef struct {
520   TW_ELEMENT8 Response[1];
521 } TW_RGBRESPONSE, FAR *pTW_RGBRESPONSE;
522 
523 /* DAT_SETUPFILEXFER. Sets up DS to application data transfer via a file. */
524 typedef struct {
525   TW_STR255 FileName;
526   TW_UINT16 Format; /* Any TWFF_ constant */
527   TW_INT16 VRefNum; /* Used for Mac only  */
528 } TW_SETUPFILEXFER, FAR *pTW_SETUPFILEXFER;
529 
530 /* DAT_SETUPMEMXFER. Sets up DS to application data transfer via a memory
531  * buffer. */
532 typedef struct {
533   TW_UINT32 MinBufSize;
534   TW_UINT32 MaxBufSize;
535   TW_UINT32 Preferred;
536 } TW_SETUPMEMXFER, FAR *pTW_SETUPMEMXFER;
537 
538 /* DAT_STATUS. Application gets detailed status info from a data source with
539  * this. */
540 typedef struct {
541   TW_UINT16 ConditionCode; /* Any TWCC_ constant     */
542   union {
543     TW_UINT16 Data;     /* output (TWAIN 2.1 and newer) This field contains
544                            additional data. */
545     TW_UINT16 Reserved; /* output (TWAIN 2.0 and older) */
546   };
547 } TW_STATUS, FAR *pTW_STATUS;
548 
549 /* DAT_STATUSUTF8. Application gets detailed UTF8 status info from a data source
550  * with this.  Added 2.1 */
551 typedef struct {
552   TW_STATUS Status; /* input  TW_STATUS data received from a previous call to
553                        DG_CONTROL / DAT_STATUS / MSG_GET. */
554   TW_UINT32 Size;   /* output Total number of bytes in the UTF8string, plus the
555                        terminating NUL byte.  This is not the same as the total
556                        number of characters in the string. */
557   TW_HANDLE
558   UTF8string; /* output TW_HANDLE to a UTF-8 encoded localized string (based
559                  on TW_IDENTITY.Language or CAP_LANGUAGE).  The Source
560                  allocates it, the Application frees it. */
561 } TW_STATUSUTF8, FAR *pTW_STATUSUTF8;
562 
563 /* DAT_USERINTERFACE. Coordinates UI between application and data source. */
564 typedef struct {
565   TW_BOOL ShowUI;    /* TRUE if DS should bring up its UI           */
566   TW_BOOL ModalUI;   /* For Mac only - true if the DS's UI is modal */
567   TW_HANDLE hParent; /* For windows only - Application window handle        */
568 } TW_USERINTERFACE, FAR *pTW_USERINTERFACE;
569 
570 /****************************************************************************
571  * Generic Constants                                                        *
572  ****************************************************************************/
573 
574 #define TWON_ARRAY 3       /* indicates TW_ARRAY container       */
575 #define TWON_ENUMERATION 4 /* indicates TW_ENUMERATION container */
576 #define TWON_ONEVALUE 5    /* indicates TW_ONEVALUE container    */
577 #define TWON_RANGE 6       /* indicates TW_RANGE container       */
578 
579 #define TWON_ICONID 962   /* res Id of icon used in USERSELECT lbox */
580 #define TWON_DSMID 461    /* res Id of the DSM version num resource */
581 #define TWON_DSMCODEID 63 /* res Id of the Mac SM Code resource     */
582 
583 #define TWON_DONTCARE8 0xff
584 #define TWON_DONTCARE16 0xffff
585 #define TWON_DONTCARE32 0xffffffff
586 
587 /* Flags used in TW_MEMORY structure. */
588 #define TWMF_APPOWNS 0x1
589 #define TWMF_DSMOWNS 0x2
590 #define TWMF_DSOWNS 0x4
591 #define TWMF_POINTER 0x8
592 #define TWMF_HANDLE 0x10
593 
594 /* There are four containers used for capabilities negotiation:
595  *    TWON_ONEVALUE, TWON_RANGE, TWON_ENUMERATION, TWON_ARRAY
596  * In each container structure ItemType can be TWTY_INT8, TWTY_INT16, etc.
597  * The kind of data stored in the container can be determined by doing
598  * DCItemSize[ItemType] where the following is defined in TWAIN glue code:
599  *          DCItemSize[]= { sizeof(TW_INT8),
600  *                          sizeof(TW_INT16),
601  *                          etc.
602  *                          sizeof(TW_UINT32) };
603  *
604  */
605 
606 #define TWTY_INT8 0x0000  /* Means Item is a TW_INT8   */
607 #define TWTY_INT16 0x0001 /* Means Item is a TW_INT16  */
608 #define TWTY_INT32 0x0002 /* Means Item is a TW_INT32  */
609 
610 #define TWTY_UINT8 0x0003  /* Means Item is a TW_UINT8  */
611 #define TWTY_UINT16 0x0004 /* Means Item is a TW_UINT16 */
612 #define TWTY_UINT32 0x0005 /* Means Item is a TW_UINT32 */
613 
614 #define TWTY_BOOL 0x0006 /* Means Item is a TW_BOOL   */
615 
616 #define TWTY_FIX32 0x0007 /* Means Item is a TW_FIX32  */
617 
618 #define TWTY_FRAME 0x0008 /* Means Item is a TW_FRAME  */
619 
620 #define TWTY_STR32 0x0009  /* Means Item is a TW_STR32  */
621 #define TWTY_STR64 0x000a  /* Means Item is a TW_STR64  */
622 #define TWTY_STR128 0x000b /* Means Item is a TW_STR128 */
623 #define TWTY_STR255 0x000c /* Means Item is a TW_STR255 */
624 #define TWTY_HANDLE 0x000f /* Means Item is a TW_HANDLE */
625 
626 /****************************************************************************
627  * Capability Constants                                                     *
628  ****************************************************************************/
629 
630 /* CAP_ALARMS values (AL_ means alarms) Added 1.8  */
631 #define TWAL_ALARM 0
632 #define TWAL_FEEDERERROR 1
633 #define TWAL_FEEDERWARNING 2
634 #define TWAL_BARCODE 3
635 #define TWAL_DOUBLEFEED 4
636 #define TWAL_JAM 5
637 #define TWAL_PATCHCODE 6
638 #define TWAL_POWER 7
639 #define TWAL_SKEW 8
640 
641 /* ICAP_AUTOSIZE values Added 2.0 */
642 #define TWAS_NONE 0
643 #define TWAS_AUTO 1
644 #define TWAS_CURRENT 2
645 
646 /* TWEI_BARCODEROTATION values (BCOR_ means barcode rotation) Added 1.7 */
647 #define TWBCOR_ROT0 0
648 #define TWBCOR_ROT90 1
649 #define TWBCOR_ROT180 2
650 #define TWBCOR_ROT270 3
651 #define TWBCOR_ROTX 4
652 
653 /* ICAP_BARCODESEARCHMODE values (TWBD_ means search) */
654 #define TWBD_HORZ 0
655 #define TWBD_VERT 1
656 #define TWBD_HORZVERT 2
657 #define TWBD_VERTHORZ 3
658 
659 /* ICAP_BITORDER values (BO_ means Bit Order) */
660 #define TWBO_LSBFIRST 0
661 #define TWBO_MSBFIRST 1
662 
663 /* ICAP_AUTODISCARDBLANKPAGES values Added 2.0 */
664 #define TWBP_DISABLE -2
665 #define TWBP_AUTO -1
666 
667 /* ICAP_BITDEPTHREDUCTION values (BR_ means Bitdepth Reduction) Added 1.5 */
668 #define TWBR_THRESHOLD 0
669 #define TWBR_HALFTONE 1
670 #define TWBR_CUSTHALFTONE 2
671 #define TWBR_DIFFUSION 3
672 
673 /* ICAP_SUPPORTEDBARCODETYPES and TWEI_BARCODETYPE values Added 1.7 */
674 #define TWBT_3OF9 0
675 #define TWBT_2OF5INTERLEAVED 1
676 #define TWBT_2OF5NONINTERLEAVED 2
677 #define TWBT_CODE93 3
678 #define TWBT_CODE128 4
679 #define TWBT_UCC128 5
680 #define TWBT_CODABAR 6
681 #define TWBT_UPCA 7
682 #define TWBT_UPCE 8
683 #define TWBT_EAN8 9
684 #define TWBT_EAN13 10
685 #define TWBT_POSTNET 11
686 #define TWBT_PDF417 12
687 #define TWBT_2OF5INDUSTRIAL 13       /* Added 1.8 */
688 #define TWBT_2OF5MATRIX 14           /* Added 1.8 */
689 #define TWBT_2OF5DATALOGIC 15        /* Added 1.8 */
690 #define TWBT_2OF5IATA 16             /* Added 1.8 */
691 #define TWBT_3OF9FULLASCII 17        /* Added 1.8 */
692 #define TWBT_CODABARWITHSTARTSTOP 18 /* Added 1.8 */
693 #define TWBT_MAXICODE 19             /* Added 1.8 */
694 
695 /* ICAP_COMPRESSION values (CP_ means ComPression ) */
696 #define TWCP_NONE 0
697 #define TWCP_PACKBITS 1
698 #define TWCP_GROUP31D 2    /* Follows CCITT spec (no End Of Line)          */
699 #define TWCP_GROUP31DEOL 3 /* Follows CCITT spec (has End Of Line)         */
700 #define TWCP_GROUP32D 4    /* Follows CCITT spec (use cap for K Factor)    */
701 #define TWCP_GROUP4 5      /* Follows CCITT spec                           */
702 #define TWCP_JPEG 6        /* Use capability for more info                 */
703 #define TWCP_LZW 7         /* Must license from Unisys and IBM to use      */
704 #define TWCP_JBIG 8        /* For Bitonal images  -- Added 1.7 KHL         */
705 #define TWCP_PNG 9         /* Added 1.8 */
706 #define TWCP_RLE4 10       /* Added 1.8 */
707 #define TWCP_RLE8 11       /* Added 1.8 */
708 #define TWCP_BITFIELDS 12  /* Added 1.8 */
709 
710 /* CAP_CAMERASIDE and TWEI_PAGESIDE values (CS_ means camera side) Added 1.91 */
711 #define TWCS_BOTH 0
712 #define TWCS_TOP 1
713 #define TWCS_BOTTOM 2
714 
715 /* CAP_CLEARBUFFERS values (CB_ means clear buffers) */
716 #define TWCB_AUTO 0
717 #define TWCB_CLEAR 1
718 #define TWCB_NOCLEAR 2
719 
720 /* CAP_DEVICEEVENT values (DE_ means device event) */
721 #define TWDE_CUSTOMEVENTS 0x8000
722 #define TWDE_CHECKAUTOMATICCAPTURE 0
723 #define TWDE_CHECKBATTERY 1
724 #define TWDE_CHECKDEVICEONLINE 2
725 #define TWDE_CHECKFLASH 3
726 #define TWDE_CHECKPOWERSUPPLY 4
727 #define TWDE_CHECKRESOLUTION 5
728 #define TWDE_DEVICEADDED 6
729 #define TWDE_DEVICEOFFLINE 7
730 #define TWDE_DEVICEREADY 8
731 #define TWDE_DEVICEREMOVED 9
732 #define TWDE_IMAGECAPTURED 10
733 #define TWDE_IMAGEDELETED 11
734 #define TWDE_PAPERDOUBLEFEED 12
735 #define TWDE_PAPERJAM 13
736 #define TWDE_LAMPFAILURE 14
737 #define TWDE_POWERSAVE 15
738 #define TWDE_POWERSAVENOTIFY 16
739 
740 /* TW_PASSTHRU.Direction values.  Added 1.8 */
741 #define TWDR_GET 1
742 #define TWDR_SET 2
743 
744 /* TWEI_DESKEWSTATUS values Added 1.7 */
745 #define TWDSK_SUCCESS 0
746 #define TWDSK_REPORTONLY 1
747 #define TWDSK_FAIL 2
748 #define TWDSK_DISABLED 3
749 
750 /* CAP_DUPLEX values Added 1.7 */
751 #define TWDX_NONE 0
752 #define TWDX_1PASSDUPLEX 1
753 #define TWDX_2PASSDUPLEX 2
754 
755 /* CAP_FEEDERALIGNMENT values (FA_ means feeder alignment) */
756 #define TWFA_NONE 0
757 #define TWFA_LEFT 1
758 #define TWFA_CENTER 2
759 #define TWFA_RIGHT 3
760 
761 /* ICAP_FEEDERTYPE */
762 #define TWFE_GENERAL 0
763 #define TWFE_PHOTO 1
764 
765 /* ICAP_IMAGEFILEFORMAT values (FF_means File Format)   */
766 #define TWFF_TIFF 0      /* Tagged Image File Format     */
767 #define TWFF_PICT 1      /* Macintosh PICT               */
768 #define TWFF_BMP 2       /* Windows Bitmap               */
769 #define TWFF_XBM 3       /* X-Windows Bitmap             */
770 #define TWFF_JFIF 4      /* JPEG File Interchange Format */
771 #define TWFF_FPX 5       /* Flash Pix                    */
772 #define TWFF_TIFFMULTI 6 /* Multi-page tiff file         */
773 #define TWFF_PNG 7
774 #define TWFF_SPIFF 8
775 #define TWFF_EXIF 9
776 #define TWFF_PDF 10    /* 1.91 NB: this is not PDF/A */
777 #define TWFF_JP2 11    /* 1.91 */
778 #define TWFF_JPX 13    /* 1.91 */
779 #define TWFF_DEJAVU 14 /* 1.91 */
780 #define TWFF_PDFA 15   /* 2.0 Adobe PDF/A, Version 1*/
781 #define TWFF_PDFA2 16  /* 2.1 Adobe PDF/A, Version 2*/
782 
783 /* ICAP_FLASHUSED2 values (FL_ means flash) */
784 #define TWFL_NONE 0
785 #define TWFL_OFF 1
786 #define TWFL_ON 2
787 #define TWFL_AUTO 3
788 #define TWFL_REDEYE 4
789 
790 /* CAP_FEEDERORDER values (FO_ means feeder order) */
791 #define TWFO_FIRSTPAGEFIRST 0
792 #define TWFO_LASTPAGEFIRST 1
793 
794 /* CAP_FEEDERPOCKET */
795 #define TWFP_POCKETERROR 0
796 #define TWFP_POCKET1 1
797 #define TWFP_POCKET2 2
798 #define TWFP_POCKET3 3
799 #define TWFP_POCKET4 4
800 #define TWFP_POCKET5 5
801 #define TWFP_POCKET6 6
802 #define TWFP_POCKET7 7
803 #define TWFP_POCKET8 8
804 #define TWFP_POCKET9 9
805 #define TWFP_POCKET10 10
806 #define TWFP_POCKET11 11
807 #define TWFP_POCKET12 12
808 #define TWFP_POCKET13 13
809 #define TWFP_POCKET14 14
810 #define TWFP_POCKET15 15
811 #define TWFP_POCKET16 16
812 
813 /* ICAP_FLIPROTATION values (FR_ means flip rotation) */
814 #define TWFR_BOOK 0
815 #define TWFR_FANFOLD 1
816 
817 /* ICAP_FILTER values (FT_ means Filter Type) */
818 #define TWFT_RED 0
819 #define TWFT_GREEN 1
820 #define TWFT_BLUE 2
821 #define TWFT_NONE 3
822 #define TWFT_WHITE 4
823 #define TWFT_CYAN 5
824 #define TWFT_MAGENTA 6
825 #define TWFT_YELLOW 7
826 #define TWFT_BLACK 8
827 
828 /* TW_FILESYSTEM.FileType values (FY_ means file type) */
829 #define TWFY_CAMERA 0
830 #define TWFY_CAMERATOP 1
831 #define TWFY_CAMERABOTTOM 2
832 #define TWFY_CAMERAPREVIEW 3
833 #define TWFY_DOMAIN 4
834 #define TWFY_HOST 5
835 #define TWFY_DIRECTORY 6
836 #define TWFY_IMAGE 7
837 #define TWFY_UNKNOWN 8
838 
839 /* ICAP_ICCPROFILE */
840 #define TWIC_NONE 0
841 #define TWIC_LINK 1
842 #define TWIC_EMBED 2
843 
844 /* ICAP_IMAGEFILTER values (IF_ means image filter) */
845 #define TWIF_NONE 0
846 #define TWIF_AUTO 1
847 #define TWIF_LOWPASS 2
848 #define TWIF_BANDPASS 3
849 #define TWIF_HIGHPASS 4
850 #define TWIF_TEXT TWIF_BANDPASS
851 #define TWIF_FINELINE TWIF_HIGHPASS
852 
853 /* ICAP_IMAGEMERGE values (IM_ means image merge) */
854 #define TWIM_NONE 0
855 #define TWIM_FRONTONTOP 1
856 #define TWIM_FRONTONBOTTOM 2
857 #define TWIM_FRONTONLEFT 3
858 #define TWIM_FRONTONRIGHT 4
859 
860 /* CAP_JOBCONTROL values Added 1.7  */
861 #define TWJC_NONE 0
862 #define TWJC_JSIC 1
863 #define TWJC_JSIS 2
864 #define TWJC_JSXC 3
865 #define TWJC_JSXS 4
866 
867 /* ICAP_JPEGQUALITY values (JQ_ means jpeg quality) */
868 #define TWJQ_UNKNOWN -4
869 #define TWJQ_LOW -3
870 #define TWJQ_MEDIUM -2
871 #define TWJQ_HIGH -1
872 
873 /* ICAP_LIGHTPATH values (LP_ means Light Path) */
874 #define TWLP_REFLECTIVE 0
875 #define TWLP_TRANSMISSIVE 1
876 
877 /* ICAP_LIGHTSOURCE values (LS_ means Light Source) */
878 #define TWLS_RED 0
879 #define TWLS_GREEN 1
880 #define TWLS_BLUE 2
881 #define TWLS_NONE 3
882 #define TWLS_WHITE 4
883 #define TWLS_UV 5
884 #define TWLS_IR 6
885 
886 /* TWEI_MAGTYPE values (MD_ means Mag Type) Added 2.0 */
887 #define TWMD_MICR 0    /* Added 2.0 */
888 #define TWMD_RAW 1     /* added 2.1 */
889 #define TWMD_INVALID 2 /* added 2.1 */
890 
891 /* ICAP_NOISEFILTER values (NF_ means noise filter) */
892 #define TWNF_NONE 0
893 #define TWNF_AUTO 1
894 #define TWNF_LONEPIXEL 2
895 #define TWNF_MAJORITYRULE 3
896 
897 /* ICAP_ORIENTATION values (OR_ means ORientation) */
898 #define TWOR_ROT0 0
899 #define TWOR_ROT90 1
900 #define TWOR_ROT180 2
901 #define TWOR_ROT270 3
902 #define TWOR_PORTRAIT TWOR_ROT0
903 #define TWOR_LANDSCAPE TWOR_ROT270
904 #define TWOR_AUTO 4        /* 2.0 */
905 #define TWOR_AUTOTEXT 5    /* 2.0 */
906 #define TWOR_AUTOPICTURE 6 /* 2.0 */
907 
908 /* ICAP_OVERSCAN values (OV_ means overscan) */
909 #define TWOV_NONE 0
910 #define TWOV_AUTO 1
911 #define TWOV_TOPBOTTOM 2
912 #define TWOV_LEFTRIGHT 3
913 #define TWOV_ALL 4
914 
915 /* Palette types for TW_PALETTE8 */
916 #define TWPA_RGB 0
917 #define TWPA_GRAY 1
918 #define TWPA_CMY 2
919 
920 /* ICAP_PLANARCHUNKY values (PC_ means Planar/Chunky ) */
921 #define TWPC_CHUNKY 0
922 #define TWPC_PLANAR 1
923 
924 /* TWEI_PATCHCODE values Added 1.7 */
925 #define TWPCH_PATCH1 0
926 #define TWPCH_PATCH2 1
927 #define TWPCH_PATCH3 2
928 #define TWPCH_PATCH4 3
929 #define TWPCH_PATCH6 4
930 #define TWPCH_PATCHT 5
931 
932 /* ICAP_PIXELFLAVOR values (PF_ means Pixel Flavor) */
933 #define TWPF_CHOCOLATE 0 /* zero pixel represents darkest shade  */
934 #define TWPF_VANILLA 1   /* zero pixel represents lightest shade */
935 
936 /* CAP_PRINTERMODE values (PM_ means printer mode) */
937 #define TWPM_SINGLESTRING 0
938 #define TWPM_MULTISTRING 1
939 #define TWPM_COMPOUNDSTRING 2
940 
941 /* CAP_PRINTER values (PR_ means printer) */
942 #define TWPR_IMPRINTERTOPBEFORE 0
943 #define TWPR_IMPRINTERTOPAFTER 1
944 #define TWPR_IMPRINTERBOTTOMBEFORE 2
945 #define TWPR_IMPRINTERBOTTOMAFTER 3
946 #define TWPR_ENDORSERTOPBEFORE 4
947 #define TWPR_ENDORSERTOPAFTER 5
948 #define TWPR_ENDORSERBOTTOMBEFORE 6
949 #define TWPR_ENDORSERBOTTOMAFTER 7
950 
951 /* CAP_POWERSUPPLY values (PS_ means power supply) */
952 #define TWPS_EXTERNAL 0
953 #define TWPS_BATTERY 1
954 
955 /* ICAP_PIXELTYPE values (PT_ means Pixel Type) */
956 #define TWPT_BW 0 /* Black and White */
957 #define TWPT_GRAY 1
958 #define TWPT_RGB 2
959 #define TWPT_PALETTE 3
960 #define TWPT_CMY 4
961 #define TWPT_CMYK 5
962 #define TWPT_YUV 6
963 #define TWPT_YUVK 7
964 #define TWPT_CIEXYZ 8
965 #define TWPT_LAB 9
966 #define TWPT_SRGB 10     /* 1.91 */
967 #define TWPT_SCRGB 11    /* 1.91 */
968 #define TWPT_INFRARED 16 /* 2.0 */
969 
970 /* CAP_SEGMENTED values (SG_ means segmented) Added 1.91 */
971 #define TWSG_NONE 0
972 #define TWSG_AUTO 1
973 
974 /* ICAP_SUPPORTEDSIZES values (SS_ means Supported Sizes) */
975 #define TWSS_NONE 0
976 #define TWSS_A4 1
977 #define TWSS_JISB5 2
978 #define TWSS_USLETTER 3
979 #define TWSS_USLEGAL 4
980 /* Added 1.5 */
981 #define TWSS_A5 5
982 #define TWSS_ISOB4 6
983 #define TWSS_ISOB6 7
984 /* Added 1.7 */
985 #define TWSS_USLEDGER 9
986 #define TWSS_USEXECUTIVE 10
987 #define TWSS_A3 11
988 #define TWSS_ISOB3 12
989 #define TWSS_A6 13
990 #define TWSS_C4 14
991 #define TWSS_C5 15
992 #define TWSS_C6 16
993 /* Added 1.8 */
994 #define TWSS_4A0 17
995 #define TWSS_2A0 18
996 #define TWSS_A0 19
997 #define TWSS_A1 20
998 #define TWSS_A2 21
999 #define TWSS_A7 22
1000 #define TWSS_A8 23
1001 #define TWSS_A9 24
1002 #define TWSS_A10 25
1003 #define TWSS_ISOB0 26
1004 #define TWSS_ISOB1 27
1005 #define TWSS_ISOB2 28
1006 #define TWSS_ISOB5 29
1007 #define TWSS_ISOB7 30
1008 #define TWSS_ISOB8 31
1009 #define TWSS_ISOB9 32
1010 #define TWSS_ISOB10 33
1011 #define TWSS_JISB0 34
1012 #define TWSS_JISB1 35
1013 #define TWSS_JISB2 36
1014 #define TWSS_JISB3 37
1015 #define TWSS_JISB4 38
1016 #define TWSS_JISB6 39
1017 #define TWSS_JISB7 40
1018 #define TWSS_JISB8 41
1019 #define TWSS_JISB9 42
1020 #define TWSS_JISB10 43
1021 #define TWSS_C0 44
1022 #define TWSS_C1 45
1023 #define TWSS_C2 46
1024 #define TWSS_C3 47
1025 #define TWSS_C7 48
1026 #define TWSS_C8 49
1027 #define TWSS_C9 50
1028 #define TWSS_C10 51
1029 #define TWSS_USSTATEMENT 52
1030 #define TWSS_BUSINESSCARD 53
1031 #define TWSS_MAXSIZE 54 /* Added 2.1 */
1032 
1033 /* ICAP_XFERMECH values (SX_ means Setup XFer) */
1034 #define TWSX_NATIVE 0
1035 #define TWSX_FILE 1
1036 #define TWSX_MEMORY 2
1037 #define TWSX_MEMFILE 4 /* added 1.91 */
1038 
1039 /* ICAP_UNITS values (UN_ means UNits) */
1040 #define TWUN_INCHES 0
1041 #define TWUN_CENTIMETERS 1
1042 #define TWUN_PICAS 2
1043 #define TWUN_POINTS 3
1044 #define TWUN_TWIPS 4
1045 #define TWUN_PIXELS 5
1046 #define TWUN_MILLIMETERS 6 /* added 1.91 */
1047 
1048 /****************************************************************************
1049  * Country Constants                                                        *
1050  ****************************************************************************/
1051 
1052 #define TWCY_AFGHANISTAN 1001
1053 #define TWCY_ALGERIA 213
1054 #define TWCY_AMERICANSAMOA 684
1055 #define TWCY_ANDORRA 033
1056 #define TWCY_ANGOLA 1002
1057 #define TWCY_ANGUILLA 8090
1058 #define TWCY_ANTIGUA 8091
1059 #define TWCY_ARGENTINA 54
1060 #define TWCY_ARUBA 297
1061 #define TWCY_ASCENSIONI 247
1062 #define TWCY_AUSTRALIA 61
1063 #define TWCY_AUSTRIA 43
1064 #define TWCY_BAHAMAS 8092
1065 #define TWCY_BAHRAIN 973
1066 #define TWCY_BANGLADESH 880
1067 #define TWCY_BARBADOS 8093
1068 #define TWCY_BELGIUM 32
1069 #define TWCY_BELIZE 501
1070 #define TWCY_BENIN 229
1071 #define TWCY_BERMUDA 8094
1072 #define TWCY_BHUTAN 1003
1073 #define TWCY_BOLIVIA 591
1074 #define TWCY_BOTSWANA 267
1075 #define TWCY_BRITAIN 6
1076 #define TWCY_BRITVIRGINIS 8095
1077 #define TWCY_BRAZIL 55
1078 #define TWCY_BRUNEI 673
1079 #define TWCY_BULGARIA 359
1080 #define TWCY_BURKINAFASO 1004
1081 #define TWCY_BURMA 1005
1082 #define TWCY_BURUNDI 1006
1083 #define TWCY_CAMAROON 237
1084 #define TWCY_CANADA 2
1085 #define TWCY_CAPEVERDEIS 238
1086 #define TWCY_CAYMANIS 8096
1087 #define TWCY_CENTRALAFREP 1007
1088 #define TWCY_CHAD 1008
1089 #define TWCY_CHILE 56
1090 #define TWCY_CHINA 86
1091 #define TWCY_CHRISTMASIS 1009
1092 #define TWCY_COCOSIS 1009
1093 #define TWCY_COLOMBIA 57
1094 #define TWCY_COMOROS 1010
1095 #define TWCY_CONGO 1011
1096 #define TWCY_COOKIS 1012
1097 #define TWCY_COSTARICA 506
1098 #define TWCY_CUBA 005
1099 #define TWCY_CYPRUS 357
1100 #define TWCY_CZECHOSLOVAKIA 42
1101 #define TWCY_DENMARK 45
1102 #define TWCY_DJIBOUTI 1013
1103 #define TWCY_DOMINICA 8097
1104 #define TWCY_DOMINCANREP 8098
1105 #define TWCY_EASTERIS 1014
1106 #define TWCY_ECUADOR 593
1107 #define TWCY_EGYPT 20
1108 #define TWCY_ELSALVADOR 503
1109 #define TWCY_EQGUINEA 1015
1110 #define TWCY_ETHIOPIA 251
1111 #define TWCY_FALKLANDIS 1016
1112 #define TWCY_FAEROEIS 298
1113 #define TWCY_FIJIISLANDS 679
1114 #define TWCY_FINLAND 358
1115 #define TWCY_FRANCE 33
1116 #define TWCY_FRANTILLES 596
1117 #define TWCY_FRGUIANA 594
1118 #define TWCY_FRPOLYNEISA 689
1119 #define TWCY_FUTANAIS 1043
1120 #define TWCY_GABON 241
1121 #define TWCY_GAMBIA 220
1122 #define TWCY_GERMANY 49
1123 #define TWCY_GHANA 233
1124 #define TWCY_GIBRALTER 350
1125 #define TWCY_GREECE 30
1126 #define TWCY_GREENLAND 299
1127 #define TWCY_GRENADA 8099
1128 #define TWCY_GRENEDINES 8015
1129 #define TWCY_GUADELOUPE 590
1130 #define TWCY_GUAM 671
1131 #define TWCY_GUANTANAMOBAY 5399
1132 #define TWCY_GUATEMALA 502
1133 #define TWCY_GUINEA 224
1134 #define TWCY_GUINEABISSAU 1017
1135 #define TWCY_GUYANA 592
1136 #define TWCY_HAITI 509
1137 #define TWCY_HONDURAS 504
1138 #define TWCY_HONGKONG 852
1139 #define TWCY_HUNGARY 36
1140 #define TWCY_ICELAND 354
1141 #define TWCY_INDIA 91
1142 #define TWCY_INDONESIA 62
1143 #define TWCY_IRAN 98
1144 #define TWCY_IRAQ 964
1145 #define TWCY_IRELAND 353
1146 #define TWCY_ISRAEL 972
1147 #define TWCY_ITALY 39
1148 #define TWCY_IVORYCOAST 225
1149 #define TWCY_JAMAICA 8010
1150 #define TWCY_JAPAN 81
1151 #define TWCY_JORDAN 962
1152 #define TWCY_KENYA 254
1153 #define TWCY_KIRIBATI 1018
1154 #define TWCY_KOREA 82
1155 #define TWCY_KUWAIT 965
1156 #define TWCY_LAOS 1019
1157 #define TWCY_LEBANON 1020
1158 #define TWCY_LIBERIA 231
1159 #define TWCY_LIBYA 218
1160 #define TWCY_LIECHTENSTEIN 41
1161 #define TWCY_LUXENBOURG 352
1162 #define TWCY_MACAO 853
1163 #define TWCY_MADAGASCAR 1021
1164 #define TWCY_MALAWI 265
1165 #define TWCY_MALAYSIA 60
1166 #define TWCY_MALDIVES 960
1167 #define TWCY_MALI 1022
1168 #define TWCY_MALTA 356
1169 #define TWCY_MARSHALLIS 692
1170 #define TWCY_MAURITANIA 1023
1171 #define TWCY_MAURITIUS 230
1172 #define TWCY_MEXICO 3
1173 #define TWCY_MICRONESIA 691
1174 #define TWCY_MIQUELON 508
1175 #define TWCY_MONACO 33
1176 #define TWCY_MONGOLIA 1024
1177 #define TWCY_MONTSERRAT 8011
1178 #define TWCY_MOROCCO 212
1179 #define TWCY_MOZAMBIQUE 1025
1180 #define TWCY_NAMIBIA 264
1181 #define TWCY_NAURU 1026
1182 #define TWCY_NEPAL 977
1183 #define TWCY_NETHERLANDS 31
1184 #define TWCY_NETHANTILLES 599
1185 #define TWCY_NEVIS 8012
1186 #define TWCY_NEWCALEDONIA 687
1187 #define TWCY_NEWZEALAND 64
1188 #define TWCY_NICARAGUA 505
1189 #define TWCY_NIGER 227
1190 #define TWCY_NIGERIA 234
1191 #define TWCY_NIUE 1027
1192 #define TWCY_NORFOLKI 1028
1193 #define TWCY_NORWAY 47
1194 #define TWCY_OMAN 968
1195 #define TWCY_PAKISTAN 92
1196 #define TWCY_PALAU 1029
1197 #define TWCY_PANAMA 507
1198 #define TWCY_PARAGUAY 595
1199 #define TWCY_PERU 51
1200 #define TWCY_PHILLIPPINES 63
1201 #define TWCY_PITCAIRNIS 1030
1202 #define TWCY_PNEWGUINEA 675
1203 #define TWCY_POLAND 48
1204 #define TWCY_PORTUGAL 351
1205 #define TWCY_QATAR 974
1206 #define TWCY_REUNIONI 1031
1207 #define TWCY_ROMANIA 40
1208 #define TWCY_RWANDA 250
1209 #define TWCY_SAIPAN 670
1210 #define TWCY_SANMARINO 39
1211 #define TWCY_SAOTOME 1033
1212 #define TWCY_SAUDIARABIA 966
1213 #define TWCY_SENEGAL 221
1214 #define TWCY_SEYCHELLESIS 1034
1215 #define TWCY_SIERRALEONE 1035
1216 #define TWCY_SINGAPORE 65
1217 #define TWCY_SOLOMONIS 1036
1218 #define TWCY_SOMALI 1037
1219 #define TWCY_SOUTHAFRICA 27
1220 #define TWCY_SPAIN 34
1221 #define TWCY_SRILANKA 94
1222 #define TWCY_STHELENA 1032
1223 #define TWCY_STKITTS 8013
1224 #define TWCY_STLUCIA 8014
1225 #define TWCY_STPIERRE 508
1226 #define TWCY_STVINCENT 8015
1227 #define TWCY_SUDAN 1038
1228 #define TWCY_SURINAME 597
1229 #define TWCY_SWAZILAND 268
1230 #define TWCY_SWEDEN 46
1231 #define TWCY_SWITZERLAND 41
1232 #define TWCY_SYRIA 1039
1233 #define TWCY_TAIWAN 886
1234 #define TWCY_TANZANIA 255
1235 #define TWCY_THAILAND 66
1236 #define TWCY_TOBAGO 8016
1237 #define TWCY_TOGO 228
1238 #define TWCY_TONGAIS 676
1239 #define TWCY_TRINIDAD 8016
1240 #define TWCY_TUNISIA 216
1241 #define TWCY_TURKEY 90
1242 #define TWCY_TURKSCAICOS 8017
1243 #define TWCY_TUVALU 1040
1244 #define TWCY_UGANDA 256
1245 #define TWCY_USSR 7
1246 #define TWCY_UAEMIRATES 971
1247 #define TWCY_UNITEDKINGDOM 44
1248 #define TWCY_USA 1
1249 #define TWCY_URUGUAY 598
1250 #define TWCY_VANUATU 1041
1251 #define TWCY_VATICANCITY 39
1252 #define TWCY_VENEZUELA 58
1253 #define TWCY_WAKE 1042
1254 #define TWCY_WALLISIS 1043
1255 #define TWCY_WESTERNSAHARA 1044
1256 #define TWCY_WESTERNSAMOA 1045
1257 #define TWCY_YEMEN 1046
1258 #define TWCY_YUGOSLAVIA 38
1259 #define TWCY_ZAIRE 243
1260 #define TWCY_ZAMBIA 260
1261 #define TWCY_ZIMBABWE 263
1262 /* Added for 1.8 */
1263 #define TWCY_ALBANIA 355
1264 #define TWCY_ARMENIA 374
1265 #define TWCY_AZERBAIJAN 994
1266 #define TWCY_BELARUS 375
1267 #define TWCY_BOSNIAHERZGO 387
1268 #define TWCY_CAMBODIA 855
1269 #define TWCY_CROATIA 385
1270 #define TWCY_CZECHREPUBLIC 420
1271 #define TWCY_DIEGOGARCIA 246
1272 #define TWCY_ERITREA 291
1273 #define TWCY_ESTONIA 372
1274 #define TWCY_GEORGIA 995
1275 #define TWCY_LATVIA 371
1276 #define TWCY_LESOTHO 266
1277 #define TWCY_LITHUANIA 370
1278 #define TWCY_MACEDONIA 389
1279 #define TWCY_MAYOTTEIS 269
1280 #define TWCY_MOLDOVA 373
1281 #define TWCY_MYANMAR 95
1282 #define TWCY_NORTHKOREA 850
1283 #define TWCY_PUERTORICO 787
1284 #define TWCY_RUSSIA 7
1285 #define TWCY_SERBIA 381
1286 #define TWCY_SLOVAKIA 421
1287 #define TWCY_SLOVENIA 386
1288 #define TWCY_SOUTHKOREA 82
1289 #define TWCY_UKRAINE 380
1290 #define TWCY_USVIRGINIS 340
1291 #define TWCY_VIETNAM 84
1292 
1293 /****************************************************************************
1294  * Language Constants                                                       *
1295  ****************************************************************************/
1296 /* Added for 1.8 */
1297 #define TWLG_USERLOCALE -1
1298 #define TWLG_DANISH 0          /* Danish                 */
1299 #define TWLG_DUTCH 1           /* Dutch                  */
1300 #define TWLG_ENGLISH 2         /* International English  */
1301 #define TWLG_FRENCH_CANADIAN 3 /* French Canadian        */
1302 #define TWLG_FINNISH 4         /* Finnish                */
1303 #define TWLG_FRENCH 5          /* French                 */
1304 #define TWLG_GERMAN 6          /* German                 */
1305 #define TWLG_ICELANDIC 7       /* Icelandic              */
1306 #define TWLG_ITALIAN 8         /* Italian                */
1307 #define TWLG_NORWEGIAN 9       /* Norwegian              */
1308 #define TWLG_PORTUGUESE 10     /* Portuguese             */
1309 #define TWLG_SPANISH 11        /* Spanish                */
1310 #define TWLG_SWEDISH 12        /* Swedish                */
1311 #define TWLG_ENGLISH_USA 13    /* U.S. English           */
1312 #define TWLG_AFRIKAANS 14
1313 #define TWLG_ALBANIA 15
1314 #define TWLG_ARABIC 16
1315 #define TWLG_ARABIC_ALGERIA 17
1316 #define TWLG_ARABIC_BAHRAIN 18
1317 #define TWLG_ARABIC_EGYPT 19
1318 #define TWLG_ARABIC_IRAQ 20
1319 #define TWLG_ARABIC_JORDAN 21
1320 #define TWLG_ARABIC_KUWAIT 22
1321 #define TWLG_ARABIC_LEBANON 23
1322 #define TWLG_ARABIC_LIBYA 24
1323 #define TWLG_ARABIC_MOROCCO 25
1324 #define TWLG_ARABIC_OMAN 26
1325 #define TWLG_ARABIC_QATAR 27
1326 #define TWLG_ARABIC_SAUDIARABIA 28
1327 #define TWLG_ARABIC_SYRIA 29
1328 #define TWLG_ARABIC_TUNISIA 30
1329 #define TWLG_ARABIC_UAE 31 /* United Arabic Emirates */
1330 #define TWLG_ARABIC_YEMEN 32
1331 #define TWLG_BASQUE 33
1332 #define TWLG_BYELORUSSIAN 34
1333 #define TWLG_BULGARIAN 35
1334 #define TWLG_CATALAN 36
1335 #define TWLG_CHINESE 37
1336 #define TWLG_CHINESE_HONGKONG 38
1337 #define TWLG_CHINESE_PRC 39 /* People's Republic of China */
1338 #define TWLG_CHINESE_SINGAPORE 40
1339 #define TWLG_CHINESE_SIMPLIFIED 41
1340 #define TWLG_CHINESE_TAIWAN 42
1341 #define TWLG_CHINESE_TRADITIONAL 43
1342 #define TWLG_CROATIA 44
1343 #define TWLG_CZECH 45
1344 #define TWLG_DUTCH_BELGIAN 46
1345 #define TWLG_ENGLISH_AUSTRALIAN 47
1346 #define TWLG_ENGLISH_CANADIAN 48
1347 #define TWLG_ENGLISH_IRELAND 49
1348 #define TWLG_ENGLISH_NEWZEALAND 50
1349 #define TWLG_ENGLISH_SOUTHAFRICA 51
1350 #define TWLG_ENGLISH_UK 52
1351 #define TWLG_ESTONIAN 53
1352 #define TWLG_FAEROESE 54
1353 #define TWLG_FARSI 55
1354 #define TWLG_FRENCH_BELGIAN 56
1355 #define TWLG_FRENCH_LUXEMBOURG 57
1356 #define TWLG_FRENCH_SWISS 58
1357 #define TWLG_GERMAN_AUSTRIAN 59
1358 #define TWLG_GERMAN_LUXEMBOURG 60
1359 #define TWLG_GERMAN_LIECHTENSTEIN 61
1360 #define TWLG_GERMAN_SWISS 62
1361 #define TWLG_GREEK 63
1362 #define TWLG_HEBREW 64
1363 #define TWLG_HUNGARIAN 65
1364 #define TWLG_INDONESIAN 66
1365 #define TWLG_ITALIAN_SWISS 67
1366 #define TWLG_JAPANESE 68
1367 #define TWLG_KOREAN 69
1368 #define TWLG_KOREAN_JOHAB 70
1369 #define TWLG_LATVIAN 71
1370 #define TWLG_LITHUANIAN 72
1371 #define TWLG_NORWEGIAN_BOKMAL 73
1372 #define TWLG_NORWEGIAN_NYNORSK 74
1373 #define TWLG_POLISH 75
1374 #define TWLG_PORTUGUESE_BRAZIL 76
1375 #define TWLG_ROMANIAN 77
1376 #define TWLG_RUSSIAN 78
1377 #define TWLG_SERBIAN_LATIN 79
1378 #define TWLG_SLOVAK 80
1379 #define TWLG_SLOVENIAN 81
1380 #define TWLG_SPANISH_MEXICAN 82
1381 #define TWLG_SPANISH_MODERN 83
1382 #define TWLG_THAI 84
1383 #define TWLG_TURKISH 85
1384 #define TWLG_UKRANIAN 86
1385 /* More stuff added for 1.8 */
1386 #define TWLG_ASSAMESE 87
1387 #define TWLG_BENGALI 88
1388 #define TWLG_BIHARI 89
1389 #define TWLG_BODO 90
1390 #define TWLG_DOGRI 91
1391 #define TWLG_GUJARATI 92
1392 #define TWLG_HARYANVI 93
1393 #define TWLG_HINDI 94
1394 #define TWLG_KANNADA 95
1395 #define TWLG_KASHMIRI 96
1396 #define TWLG_MALAYALAM 97
1397 #define TWLG_MARATHI 98
1398 #define TWLG_MARWARI 99
1399 #define TWLG_MEGHALAYAN 100
1400 #define TWLG_MIZO 101
1401 #define TWLG_NAGA 102
1402 #define TWLG_ORISSI 103
1403 #define TWLG_PUNJABI 104
1404 #define TWLG_PUSHTU 105
1405 #define TWLG_SERBIAN_CYRILLIC 106
1406 #define TWLG_SIKKIMI 107
1407 #define TWLG_SWEDISH_FINLAND 108
1408 #define TWLG_TAMIL 109
1409 #define TWLG_TELUGU 110
1410 #define TWLG_TRIPURI 111
1411 #define TWLG_URDU 112
1412 #define TWLG_VIETNAMESE 113
1413 
1414 /****************************************************************************
1415  * Data Groups                                                              *
1416  ****************************************************************************/
1417 
1418 /* More Data Groups may be added in the future.
1419  * Possible candidates include text, vector graphics, sound, etc.
1420  * NOTE: Data Group constants must be powers of 2 as they are used
1421  *       as bitflags when Application asks DSM to present a list of DSs.
1422  */
1423 
1424 #define DG_CONTROL 0x0001L /* data pertaining to control       */
1425 #define DG_IMAGE 0x0002L   /* data pertaining to raster images */
1426 /* Added 1.8 */
1427 #define DG_AUDIO 0x0004L /* data pertaining to audio */
1428 
1429 /* More Data Functionality may be added in the future.
1430  * These are for items that need to be determined before DS is opened.
1431  * NOTE: Supported Functionality constants must be powers of 2 as they are
1432  *       used as bitflags when Application asks DSM to present a list of DSs.
1433  *       to support backward capability the App and DS will not use the fields
1434  */
1435 #define DF_DSM2 0x10000000L /* added to the identity by the DSM  */
1436 #define DF_APP2                                                                \
1437   0x20000000L /* Set by the App to indicate it would  prefer to use DSM2 */
1438 #define DF_DS2                                                                 \
1439   0x40000000L /* Set by the DS to indicate it would prefer to use DSM2 */
1440 #define DG_MASK 0xFFFFL /* all Data Groups limited to 16 bit. Added for 2.1 */
1441 
1442 /****************************************************************************
1443  *                                                        *
1444  ****************************************************************************/
1445 #define DAT_NULL 0x0000       /* No data or structure. */
1446 #define DAT_CUSTOMBASE 0x8000 /* Base of custom DATs.  */
1447 
1448 /* Data Argument Types for the DG_CONTROL Data Group. */
1449 #define DAT_CAPABILITY 0x0001 /* TW_CAPABILITY                        */
1450 #define DAT_EVENT 0x0002      /* TW_EVENT                             */
1451 #define DAT_IDENTITY 0x0003   /* TW_IDENTITY                          */
1452 #define DAT_PARENT 0x0004     /* TW_HANDLE, application win handle in Windows */
1453 #define DAT_PENDINGXFERS 0x0005  /* TW_PENDINGXFERS                      */
1454 #define DAT_SETUPMEMXFER 0x0006  /* TW_SETUPMEMXFER                      */
1455 #define DAT_SETUPFILEXFER 0x0007 /* TW_SETUPFILEXFER                     */
1456 #define DAT_STATUS 0x0008        /* TW_STATUS                            */
1457 #define DAT_USERINTERFACE 0x0009 /* TW_USERINTERFACE                     */
1458 #define DAT_XFERGROUP 0x000a     /* TW_UINT32                            */
1459 #define DAT_CUSTOMDSDATA 0x000c  /* TW_CUSTOMDSDATA.                     */
1460 #define DAT_DEVICEEVENT 0x000d   /* TW_DEVICEEVENT     Added 1.8         */
1461 #define DAT_FILESYSTEM 0x000e    /* TW_FILESYSTEM      Added 1.8         */
1462 #define DAT_PASSTHRU 0x000f      /* TW_PASSTHRU        Added 1.8         */
1463 #define DAT_CALLBACK 0x0010      /* TW_CALLBACK        Added 2.0         */
1464 #define DAT_STATUSUTF8 0x0011    /* TW_STATUSUTF8      Added 2.1         */
1465 
1466 /* Data Argument Types for the DG_IMAGE Data Group. */
1467 #define DAT_IMAGEINFO 0x0101       /* TW_IMAGEINFO                         */
1468 #define DAT_IMAGELAYOUT 0x0102     /* TW_IMAGELAYOUT                       */
1469 #define DAT_IMAGEMEMXFER 0x0103    /* TW_IMAGEMEMXFER                      */
1470 #define DAT_IMAGENATIVEXFER 0x0104 /* TW_UINT32 loword is hDIB, PICHandle  */
1471 #define DAT_IMAGEFILEXFER 0x0105   /* Null data                            */
1472 #define DAT_CIECOLOR 0x0106        /* TW_CIECOLOR                          */
1473 #define DAT_GRAYRESPONSE 0x0107    /* TW_GRAYRESPONSE                      */
1474 #define DAT_RGBRESPONSE 0x0108     /* TW_RGBRESPONSE                       */
1475 #define DAT_JPEGCOMPRESSION 0x0109 /* TW_JPEGCOMPRESSION                   */
1476 #define DAT_PALETTE8 0x010a        /* TW_PALETTE8                          */
1477 #define DAT_EXTIMAGEINFO 0x010b    /* TW_EXTIMAGEINFO -- for 1.7 Spec.     */
1478 
1479 /* Data Argument Types for the DG_AUDIO Data Group. */
1480 #define DAT_AUDIOFILEXFER 0x0201 /* Null data          Added 1.8         */
1481 #define DAT_AUDIOINFO 0x0202     /* TW_AUDIOINFO       Added 1.8         */
1482 #define DAT_AUDIONATIVEXFER                                                    \
1483   0x0203 /* TW_UINT32 handle to WAV, (AIFF Mac) Added 1.8 */
1484 
1485 /* misplaced */
1486 /* TW_MEMORY   Added 1.91   This Data Argument is misplaced but belongs to the
1487  * DG_IMAGE Data Group */
1488 #define DAT_ICCPROFILE 0x0401
1489 /* TW_IMAGEMEMXFER   Added 1.91  This Data Argument is misplaced but belongs to
1490  * the DG_IMAGE Data Group */
1491 #define DAT_IMAGEMEMFILEXFER 0x0402
1492 /* TW_ENTRYPOINT    Added 2.0   This Data Argument is misplaced but belongs to
1493  * the DG_CONTROL Data Group */
1494 #define DAT_ENTRYPOINT 0x0403
1495 
1496 /****************************************************************************
1497  * Messages                                                                 *
1498  ****************************************************************************/
1499 
1500 /* All message constants are unique.
1501  * Messages are grouped according to which DATs they are used with.*/
1502 
1503 #define MSG_NULL 0x0000       /* Used in TW_EVENT structure               */
1504 #define MSG_CUSTOMBASE 0x8000 /* Base of custom messages                  */
1505 
1506 /* Generic messages may be used with any of several DATs.                   */
1507 #define MSG_GET 0x0001          /* Get one or more values                   */
1508 #define MSG_GETCURRENT 0x0002   /* Get current value                        */
1509 #define MSG_GETDEFAULT 0x0003   /* Get default (e.g. power up) value        */
1510 #define MSG_GETFIRST 0x0004     /* Get first of a series of items, e.g. DSs */
1511 #define MSG_GETNEXT 0x0005      /* Iterate through a series of items.       */
1512 #define MSG_SET 0x0006          /* Set one or more values                   */
1513 #define MSG_RESET 0x0007        /* Set current value to default value       */
1514 #define MSG_QUERYSUPPORT 0x0008 /* Get supported operations on the cap.     */
1515 #define MSG_GETHELP                                                            \
1516   0x0009 /* Returns help text suitable for use in a GUI        Added 2.1 */
1517 #define MSG_GETLABEL                                                           \
1518   0x000a /* Returns a label suitable for use in a GUI          Added 2.1 */
1519 #define MSG_GETLABELENUM                                                       \
1520   0x000b /* Return all of the labels for a capability of type  Added 2.1 */
1521 
1522 /* Messages used with DAT_NULL                                              */
1523 #define MSG_XFERREADY 0x0101 /* The data source has data ready           */
1524 #define MSG_CLOSEDSREQ                                                         \
1525   0x0102 /* Request for Application. to close DS               */
1526 #define MSG_CLOSEDSOK                                                          \
1527   0x0103 /* Tell the Application. to save the state.           */
1528 #define MSG_DEVICEEVENT                                                        \
1529   0X0104 /* Some event has taken place               Added 1.8 */
1530 
1531 /* Messages used with a pointer to DAT_PARENT data                          */
1532 #define MSG_OPENDSM 0x0301  /* Open the DSM                             */
1533 #define MSG_CLOSEDSM 0x0302 /* Close the DSM                            */
1534 
1535 /* Messages used with a pointer to a DAT_IDENTITY structure                 */
1536 #define MSG_OPENDS 0x0401     /* Open a data source                       */
1537 #define MSG_CLOSEDS 0x0402    /* Close a data source                      */
1538 #define MSG_USERSELECT 0x0403 /* Put up a dialog of all DS                */
1539 
1540 /* Messages used with a pointer to a DAT_USERINTERFACE structure            */
1541 #define MSG_DISABLEDS 0x0501      /* Disable data transfer in the DS          */
1542 #define MSG_ENABLEDS 0x0502       /* Enable data transfer in the DS           */
1543 #define MSG_ENABLEDSUIONLY 0x0503 /* Enable for saving DS state only.     */
1544 
1545 /* Messages used with a pointer to a DAT_EVENT structure                    */
1546 #define MSG_PROCESSEVENT 0x0601
1547 
1548 /* Messages used with a pointer to a DAT_PENDINGXFERS structure             */
1549 #define MSG_ENDXFER 0x0701
1550 #define MSG_STOPFEEDER 0x0702
1551 
1552 /* Messages used with a pointer to a DAT_FILESYSTEM structure               */
1553 #define MSG_CHANGEDIRECTORY 0x0801           /* Added 1.8 */
1554 #define MSG_CREATEDIRECTORY 0x0802           /* Added 1.8 */
1555 #define MSG_DELETE 0x0803                    /* Added 1.8 */
1556 #define MSG_FORMATMEDIA 0x0804               /* Added 1.8 */
1557 #define MSG_GETCLOSE 0x0805                  /* Added 1.8 */
1558 #define MSG_GETFIRSTFILE 0x0806              /* Added 1.8 */
1559 #define MSG_GETINFO 0x0807                   /* Added 1.8 */
1560 #define MSG_GETNEXTFILE 0x0808               /* Added 1.8 */
1561 #define MSG_RENAME 0x0809                    /* Added 1.8 */
1562 #define MSG_COPY 0x080A                      /* Added 1.8 */
1563 #define MSG_AUTOMATICCAPTUREDIRECTORY 0x080B /* Added 1.8 */
1564 
1565 /* Messages used with a pointer to a DAT_PASSTHRU structure                 */
1566 #define MSG_PASSTHRU 0x0901
1567 
1568 /* used with DAT_CALLBACK */
1569 #define MSG_REGISTER_CALLBACK 0x0902
1570 
1571 /* used with DAT_CAPABILITY */
1572 #define MSG_RESETALL 0x0A01 /*  Added 1.91 */
1573 
1574 /****************************************************************************
1575  * Capabilities                                                             *
1576  ****************************************************************************/
1577 
1578 #define CAP_CUSTOMBASE 0x8000 /* Base of custom capabilities */
1579 
1580 /* all data sources are REQUIRED to support these caps */
1581 #define CAP_XFERCOUNT 0x0001
1582 
1583 /* image data sources are REQUIRED to support these caps */
1584 #define ICAP_COMPRESSION 0x0100
1585 #define ICAP_PIXELTYPE 0x0101
1586 #define ICAP_UNITS 0x0102 /* default is TWUN_INCHES */
1587 #define ICAP_XFERMECH 0x0103
1588 
1589 /* all data sources MAY support these caps */
1590 #define CAP_AUTHOR 0x1000
1591 #define CAP_CAPTION 0x1001
1592 #define CAP_FEEDERENABLED 0x1002
1593 #define CAP_FEEDERLOADED 0x1003
1594 #define CAP_TIMEDATE 0x1004
1595 #define CAP_SUPPORTEDCAPS 0x1005
1596 #define CAP_EXTENDEDCAPS 0x1006
1597 #define CAP_AUTOFEED 0x1007
1598 #define CAP_CLEARPAGE 0x1008
1599 #define CAP_FEEDPAGE 0x1009
1600 #define CAP_REWINDPAGE 0x100a
1601 #define CAP_INDICATORS 0x100b             /* Added 1.1 */
1602 #define CAP_SUPPORTEDCAPSEXT 0x100c       /* Added 1.6 */
1603 #define CAP_PAPERDETECTABLE 0x100d        /* Added 1.6 */
1604 #define CAP_UICONTROLLABLE 0x100e         /* Added 1.6 */
1605 #define CAP_DEVICEONLINE 0x100f           /* Added 1.6 */
1606 #define CAP_AUTOSCAN 0x1010               /* Added 1.6 */
1607 #define CAP_THUMBNAILSENABLED 0x1011      /* Added 1.7 */
1608 #define CAP_DUPLEX 0x1012                 /* Added 1.7 */
1609 #define CAP_DUPLEXENABLED 0x1013          /* Added 1.7 */
1610 #define CAP_ENABLEDSUIONLY 0x1014         /* Added 1.7 */
1611 #define CAP_CUSTOMDSDATA 0x1015           /* Added 1.7 */
1612 #define CAP_ENDORSER 0x1016               /* Added 1.7 */
1613 #define CAP_JOBCONTROL 0x1017             /* Added 1.7 */
1614 #define CAP_ALARMS 0x1018                 /* Added 1.8 */
1615 #define CAP_ALARMVOLUME 0x1019            /* Added 1.8 */
1616 #define CAP_AUTOMATICCAPTURE 0x101a       /* Added 1.8 */
1617 #define CAP_TIMEBEFOREFIRSTCAPTURE 0x101b /* Added 1.8 */
1618 #define CAP_TIMEBETWEENCAPTURES 0x101c    /* Added 1.8 */
1619 #define CAP_CLEARBUFFERS 0x101d           /* Added 1.8 */
1620 #define CAP_MAXBATCHBUFFERS 0x101e        /* Added 1.8 */
1621 #define CAP_DEVICETIMEDATE 0x101f         /* Added 1.8 */
1622 #define CAP_POWERSUPPLY 0x1020            /* Added 1.8 */
1623 #define CAP_CAMERAPREVIEWUI 0x1021        /* Added 1.8 */
1624 #define CAP_DEVICEEVENT 0x1022            /* Added 1.8 */
1625 #define CAP_SERIALNUMBER 0x1024           /* Added 1.8 */
1626 #define CAP_PRINTER 0x1026                /* Added 1.8 */
1627 #define CAP_PRINTERENABLED 0x1027         /* Added 1.8 */
1628 #define CAP_PRINTERINDEX 0x1028           /* Added 1.8 */
1629 #define CAP_PRINTERMODE 0x1029            /* Added 1.8 */
1630 #define CAP_PRINTERSTRING 0x102a          /* Added 1.8 */
1631 #define CAP_PRINTERSUFFIX 0x102b          /* Added 1.8 */
1632 #define CAP_LANGUAGE 0x102c               /* Added 1.8 */
1633 #define CAP_FEEDERALIGNMENT 0x102d        /* Added 1.8 */
1634 #define CAP_FEEDERORDER 0x102e            /* Added 1.8 */
1635 #define CAP_REACQUIREALLOWED 0x1030       /* Added 1.8 */
1636 #define CAP_BATTERYMINUTES 0x1032         /* Added 1.8 */
1637 #define CAP_BATTERYPERCENTAGE 0x1033      /* Added 1.8 */
1638 #define CAP_CAMERASIDE 0x1034             /* Added 1.91 */
1639 #define CAP_SEGMENTED 0x1035              /* Added 1.91 */
1640 #define CAP_CAMERAENABLED 0x1036          /* Added 2.0 */
1641 #define CAP_CAMERAORDER 0x1037            /* Added 2.0 */
1642 #define CAP_MICRENABLED 0x1038            /* Added 2.0 */
1643 #define CAP_FEEDERPREP 0x1039             /* Added 2.0 */
1644 #define CAP_FEEDERPOCKET 0x103a           /* Added 2.0 */
1645 #define CAP_AUTOMATICSENSEMEDIUM 0x103b   /* Added 2.1 */
1646 #define CAP_CUSTOMINTERFACEGUID 0x103c    /* Added 2.1 */
1647 
1648 /* image data sources MAY support these caps */
1649 #define ICAP_AUTOBRIGHT 0x1100
1650 #define ICAP_BRIGHTNESS 0x1101
1651 #define ICAP_CONTRAST 0x1103
1652 #define ICAP_CUSTHALFTONE 0x1104
1653 #define ICAP_EXPOSURETIME 0x1105
1654 #define ICAP_FILTER 0x1106
1655 #define ICAP_FLASHUSED 0x1107
1656 #define ICAP_GAMMA 0x1108
1657 #define ICAP_HALFTONES 0x1109
1658 #define ICAP_HIGHLIGHT 0x110a
1659 #define ICAP_IMAGEFILEFORMAT 0x110c
1660 #define ICAP_LAMPSTATE 0x110d
1661 #define ICAP_LIGHTSOURCE 0x110e
1662 #define ICAP_ORIENTATION 0x1110
1663 #define ICAP_PHYSICALWIDTH 0x1111
1664 #define ICAP_PHYSICALHEIGHT 0x1112
1665 #define ICAP_SHADOW 0x1113
1666 #define ICAP_FRAMES 0x1114
1667 #define ICAP_XNATIVERESOLUTION 0x1116
1668 #define ICAP_YNATIVERESOLUTION 0x1117
1669 #define ICAP_XRESOLUTION 0x1118
1670 #define ICAP_YRESOLUTION 0x1119
1671 #define ICAP_MAXFRAMES 0x111a
1672 #define ICAP_TILES 0x111b
1673 #define ICAP_BITORDER 0x111c
1674 #define ICAP_CCITTKFACTOR 0x111d
1675 #define ICAP_LIGHTPATH 0x111e
1676 #define ICAP_PIXELFLAVOR 0x111f
1677 #define ICAP_PLANARCHUNKY 0x1120
1678 #define ICAP_ROTATION 0x1121
1679 #define ICAP_SUPPORTEDSIZES 0x1122
1680 #define ICAP_THRESHOLD 0x1123
1681 #define ICAP_XSCALING 0x1124
1682 #define ICAP_YSCALING 0x1125
1683 #define ICAP_BITORDERCODES 0x1126
1684 #define ICAP_PIXELFLAVORCODES 0x1127
1685 #define ICAP_JPEGPIXELTYPE 0x1128
1686 #define ICAP_TIMEFILL 0x112a
1687 #define ICAP_BITDEPTH 0x112b
1688 #define ICAP_BITDEPTHREDUCTION 0x112c               /* Added 1.5 */
1689 #define ICAP_UNDEFINEDIMAGESIZE 0x112d              /* Added 1.6 */
1690 #define ICAP_IMAGEDATASET 0x112e                    /* Added 1.7 */
1691 #define ICAP_EXTIMAGEINFO 0x112f                    /* Added 1.7 */
1692 #define ICAP_MINIMUMHEIGHT 0x1130                   /* Added 1.7 */
1693 #define ICAP_MINIMUMWIDTH 0x1131                    /* Added 1.7 */
1694 #define ICAP_AUTODISCARDBLANKPAGES 0x1134           /* Added 2.0 */
1695 #define ICAP_FLIPROTATION 0x1136                    /* Added 1.8 */
1696 #define ICAP_BARCODEDETECTIONENABLED 0x1137         /* Added 1.8 */
1697 #define ICAP_SUPPORTEDBARCODETYPES 0x1138           /* Added 1.8 */
1698 #define ICAP_BARCODEMAXSEARCHPRIORITIES 0x1139      /* Added 1.8 */
1699 #define ICAP_BARCODESEARCHPRIORITIES 0x113a         /* Added 1.8 */
1700 #define ICAP_BARCODESEARCHMODE 0x113b               /* Added 1.8 */
1701 #define ICAP_BARCODEMAXRETRIES 0x113c               /* Added 1.8 */
1702 #define ICAP_BARCODETIMEOUT 0x113d                  /* Added 1.8 */
1703 #define ICAP_ZOOMFACTOR 0x113e                      /* Added 1.8 */
1704 #define ICAP_PATCHCODEDETECTIONENABLED 0x113f       /* Added 1.8 */
1705 #define ICAP_SUPPORTEDPATCHCODETYPES 0x1140         /* Added 1.8 */
1706 #define ICAP_PATCHCODEMAXSEARCHPRIORITIES 0x1141    /* Added 1.8 */
1707 #define ICAP_PATCHCODESEARCHPRIORITIES 0x1142       /* Added 1.8 */
1708 #define ICAP_PATCHCODESEARCHMODE 0x1143             /* Added 1.8 */
1709 #define ICAP_PATCHCODEMAXRETRIES 0x1144             /* Added 1.8 */
1710 #define ICAP_PATCHCODETIMEOUT 0x1145                /* Added 1.8 */
1711 #define ICAP_FLASHUSED2 0x1146                      /* Added 1.8 */
1712 #define ICAP_IMAGEFILTER 0x1147                     /* Added 1.8 */
1713 #define ICAP_NOISEFILTER 0x1148                     /* Added 1.8 */
1714 #define ICAP_OVERSCAN 0x1149                        /* Added 1.8 */
1715 #define ICAP_AUTOMATICBORDERDETECTION 0x1150        /* Added 1.8 */
1716 #define ICAP_AUTOMATICDESKEW 0x1151                 /* Added 1.8 */
1717 #define ICAP_AUTOMATICROTATE 0x1152                 /* Added 1.8 */
1718 #define ICAP_JPEGQUALITY 0x1153                     /* Added 1.9 */
1719 #define ICAP_FEEDERTYPE 0x1154                      /* Added 1.91 */
1720 #define ICAP_ICCPROFILE 0x1155                      /* Added 1.91 */
1721 #define ICAP_AUTOSIZE 0x1156                        /* Added 2.0 */
1722 #define ICAP_AUTOMATICCROPUSESFRAME 0x1157          /* Added 2.1 */
1723 #define ICAP_AUTOMATICLENGTHDETECTION 0x1158        /* Added 2.1 */
1724 #define ICAP_AUTOMATICCOLORENABLED 0x1159           /* Added 2.1 */
1725 #define ICAP_AUTOMATICCOLORNONCOLORPIXELTYPE 0x115a /* Added 2.1 */
1726 #define ICAP_COLORMANAGEMENTENABLED 0x115b          /* Added 2.1 */
1727 #define ICAP_IMAGEMERGE 0x115c                      /* Added 2.1 */
1728 #define ICAP_IMAGEMERGEHEIGHTTHRESHOLD 0x115d       /* Added 2.1 */
1729 #define ICAP_SUPPORTEDEXTIMAGEINFO 0x115e           /* Added 2.1 */
1730 
1731 /* image data sources MAY support these audio caps */
1732 #define ACAP_XFERMECH 0x1202 /* Added 1.8 */
1733 
1734 /***************************************************************************
1735  *            Extended Image Info Attributes section  Added 1.7            *
1736  ***************************************************************************/
1737 
1738 #define TWEI_BARCODEX 0x1200
1739 #define TWEI_BARCODEY 0x1201
1740 #define TWEI_BARCODETEXT 0x1202
1741 #define TWEI_BARCODETYPE 0x1203
1742 #define TWEI_DESHADETOP 0x1204
1743 #define TWEI_DESHADELEFT 0x1205
1744 #define TWEI_DESHADEHEIGHT 0x1206
1745 #define TWEI_DESHADEWIDTH 0x1207
1746 #define TWEI_DESHADESIZE 0x1208
1747 #define TWEI_SPECKLESREMOVED 0x1209
1748 #define TWEI_HORZLINEXCOORD 0x120A
1749 #define TWEI_HORZLINEYCOORD 0x120B
1750 #define TWEI_HORZLINELENGTH 0x120C
1751 #define TWEI_HORZLINETHICKNESS 0x120D
1752 #define TWEI_VERTLINEXCOORD 0x120E
1753 #define TWEI_VERTLINEYCOORD 0x120F
1754 #define TWEI_VERTLINELENGTH 0x1210
1755 #define TWEI_VERTLINETHICKNESS 0x1211
1756 #define TWEI_PATCHCODE 0x1212
1757 #define TWEI_ENDORSEDTEXT 0x1213
1758 #define TWEI_FORMCONFIDENCE 0x1214
1759 #define TWEI_FORMTEMPLATEMATCH 0x1215
1760 #define TWEI_FORMTEMPLATEPAGEMATCH 0x1216
1761 #define TWEI_FORMHORZDOCOFFSET 0x1217
1762 #define TWEI_FORMVERTDOCOFFSET 0x1218
1763 #define TWEI_BARCODECOUNT 0x1219
1764 #define TWEI_BARCODECONFIDENCE 0x121A
1765 #define TWEI_BARCODEROTATION 0x121B
1766 #define TWEI_BARCODETEXTLENGTH 0x121C
1767 #define TWEI_DESHADECOUNT 0x121D
1768 #define TWEI_DESHADEBLACKCOUNTOLD 0x121E
1769 #define TWEI_DESHADEBLACKCOUNTNEW 0x121F
1770 #define TWEI_DESHADEBLACKRLMIN 0x1220
1771 #define TWEI_DESHADEBLACKRLMAX 0x1221
1772 #define TWEI_DESHADEWHITECOUNTOLD 0x1222
1773 #define TWEI_DESHADEWHITECOUNTNEW 0x1223
1774 #define TWEI_DESHADEWHITERLMIN 0x1224
1775 #define TWEI_DESHADEWHITERLAVE 0x1225
1776 #define TWEI_DESHADEWHITERLMAX 0x1226
1777 #define TWEI_BLACKSPECKLESREMOVED 0x1227
1778 #define TWEI_WHITESPECKLESREMOVED 0x1228
1779 #define TWEI_HORZLINECOUNT 0x1229
1780 #define TWEI_VERTLINECOUNT 0x122A
1781 #define TWEI_DESKEWSTATUS 0x122B
1782 #define TWEI_SKEWORIGINALANGLE 0x122C
1783 #define TWEI_SKEWFINALANGLE 0x122D
1784 #define TWEI_SKEWCONFIDENCE 0x122E
1785 #define TWEI_SKEWWINDOWX1 0x122F
1786 #define TWEI_SKEWWINDOWY1 0x1230
1787 #define TWEI_SKEWWINDOWX2 0x1231
1788 #define TWEI_SKEWWINDOWY2 0x1232
1789 #define TWEI_SKEWWINDOWX3 0x1233
1790 #define TWEI_SKEWWINDOWY3 0x1234
1791 #define TWEI_SKEWWINDOWX4 0x1235
1792 #define TWEI_SKEWWINDOWY4 0x1236
1793 #define TWEI_BOOKNAME 0x1238         /* added 1.9 */
1794 #define TWEI_CHAPTERNUMBER 0x1239    /* added 1.9 */
1795 #define TWEI_DOCUMENTNUMBER 0x123A   /* added 1.9 */
1796 #define TWEI_PAGENUMBER 0x123B       /* added 1.9 */
1797 #define TWEI_CAMERA 0x123C           /* added 1.9 */
1798 #define TWEI_FRAMENUMBER 0x123D      /* added 1.9 */
1799 #define TWEI_FRAME 0x123E            /* added 1.9 */
1800 #define TWEI_PIXELFLAVOR 0x123F      /* added 1.9 */
1801 #define TWEI_ICCPROFILE 0x1240       /* added 1.91 */
1802 #define TWEI_LASTSEGMENT 0x1241      /* added 1.91 */
1803 #define TWEI_SEGMENTNUMBER 0x1242    /* added 1.91 */
1804 #define TWEI_MAGDATA 0x1243          /* added 2.0 */
1805 #define TWEI_MAGTYPE 0x1244          /* added 2.0 */
1806 #define TWEI_PAGESIDE 0x1245         /* added 2.0 */
1807 #define TWEI_FILESYSTEMSOURCE 0x1246 /* added 2.0 */
1808 #define TWEI_IMAGEMERGED 0x1247      /* added 2.1 */
1809 #define TWEI_MAGDATALENGTH 0x1248    /* added 2.1 */
1810 
1811 #define TWEJ_NONE 0x0000
1812 #define TWEJ_MIDSEPARATOR 0x0001
1813 #define TWEJ_PATCH1 0x0002
1814 #define TWEJ_PATCH2 0x0003
1815 #define TWEJ_PATCH3 0x0004
1816 #define TWEJ_PATCH4 0x0005
1817 #define TWEJ_PATCH6 0x0006
1818 #define TWEJ_PATCHT 0x0007
1819 
1820 /***************************************************************************
1821  *            Return Codes and Condition Codes section                     *
1822  ***************************************************************************/
1823 
1824 /* Return Codes: DSM_Entry and DS_Entry may return any one of these values. */
1825 #define TWRC_CUSTOMBASE 0x8000
1826 
1827 #define TWRC_SUCCESS 0
1828 #define TWRC_FAILURE 1 /* Application may get TW_STATUS for info on failure */
1829 #define TWRC_CHECKSTATUS 2 /* "tried hard"; get status                  */
1830 #define TWRC_CANCEL 3
1831 #define TWRC_DSEVENT 4
1832 #define TWRC_NOTDSEVENT 5
1833 #define TWRC_XFERDONE 6
1834 #define TWRC_ENDOFLIST 7 /* After MSG_GETNEXT if nothing left         */
1835 #define TWRC_INFONOTSUPPORTED 8
1836 #define TWRC_DATANOTAVAILABLE 9
1837 
1838 // Condition Codes: Application gets these
1839 // by doing DG_CONTROL DAT_STATUS MSG_GET.
1840 #define TWCC_CUSTOMBASE 0x8000
1841 
1842 // It worked!
1843 #define TWCC_SUCCESS 0
1844 // Failure due to unknown causes
1845 #define TWCC_BUMMER 1
1846 // Not enough memory to perform operation
1847 #define TWCC_LOWMEMORY 2
1848 // No Data Source
1849 #define TWCC_NODS 3
1850 // DS is connected to max possible applications
1851 #define TWCC_MAXCONNECTIONS 4
1852 // DS or DSM reported error, application shouldn't
1853 #define TWCC_OPERATIONERROR 5
1854 // Unknown capability
1855 #define TWCC_BADCAP 6
1856 // Unrecognized MSG DG DAT combination
1857 #define TWCC_BADPROTOCOL 9
1858 // Data parameter out of range
1859 #define TWCC_BADVALUE 10
1860 // DG DAT MSG out of expected sequence
1861 #define TWCC_SEQERROR 11
1862 // Unknown destination Application/Source in DSM_Entry
1863 #define TWCC_BADDEST 12
1864 // Capability not supported by source
1865 #define TWCC_CAPUNSUPPORTED 13
1866 // Operation not supported by capability
1867 #define TWCC_CAPBADOPERATION 14
1868 // Capability has dependancy on other capability
1869 #define TWCC_CAPSEQERROR 15
1870 // File System operation is denied (file is protected)
1871 #define TWCC_DENIED 16 /* Added 1.8 */
1872 // Operation failed because file already exists.
1873 #define TWCC_FILEEXISTS 17 /* Added 1.8 */
1874 // File not found
1875 #define TWCC_FILENOTFOUND 18 /* Added 1.8 */
1876 // Operation failed because directory is not empty
1877 #define TWCC_NOTEMPTY 19 /* Added 1.8 */
1878 // The feeder is jammed
1879 #define TWCC_PAPERJAM 20 /* Added 1.8 */
1880 // The feeder detected multiple pages
1881 #define TWCC_PAPERDOUBLEFEED 21 /* Added 1.8 */
1882 // Error writing the file (meant for things like disk full conditions)
1883 #define TWCC_FILEWRITEERROR 22 /*  Added 1.8 */
1884 // The device went offline prior to or during this operation
1885 #define TWCC_CHECKDEVICEONLINE 23 /* Added 1.8 */
1886 #define TWCC_INTERLOCK 24         /* Added 2.0 */
1887 #define TWCC_DAMAGEDCORNER 25     /* Added 2.0 */
1888 #define TWCC_FOCUSERROR 26        /* Added 2.0 */
1889 #define TWCC_DOCTOOLIGHT 27       /* Added 2.0 */
1890 #define TWCC_DOCTOODARK 28        /* Added 2.0 */
1891 #define TWCC_NOMEDIA 29           /* Added 2.1 */
1892 
1893 /* bit patterns: for query the operation that are supported by the data source
1894  * on a capability */
1895 /* Application gets these through DG_CONTROL/DAT_CAPABILITY/MSG_QUERYSUPPORT */
1896 /* Added 1.6 */
1897 #define TWQC_GET 0x0001
1898 #define TWQC_SET 0x0002
1899 #define TWQC_GETDEFAULT 0x0004
1900 #define TWQC_GETCURRENT 0x0008
1901 #define TWQC_RESET 0x0010
1902 
1903 /****************************************************************************
1904  * Depreciated Items                                                        *
1905  ****************************************************************************/
1906 #ifdef _MSWIN_
1907 #if defined(_WIN32) || defined(WIN64)
1908 #define TW_HUGE
1909 #elif !defined(TWH_CMP_GNU)
1910 #define TW_HUGE huge
1911 #else
1912 #define TW_HUGE
1913 #endif
1914 
1915 typedef BYTE TW_HUGE *HPBYTE;
1916 typedef void TW_HUGE *HPVOID;
1917 typedef void TW_HUGE *HPVOID;
1918 #endif /* _MSWIN_ */
1919 
1920 typedef unsigned char TW_STR1024[1026], FAR *pTW_STR1026;
1921 typedef wchar_t TW_UNI512[512], FAR *pTW_UNI512;
1922 
1923 #define TWTY_STR1024 0x000d /* Means Item is a TW_STR1024...added 1.9 */
1924 #define TWTY_UNI512 0x000e  /* Means Item is a TW_UNI512...added 1.9 */
1925 
1926 #define TWFF_JPN 12 /* 1.91 */
1927 
1928 // Additional message required for thunker to request the special identity
1929 // information.
1930 #define DAT_TWUNKIDENTITY 0x000b
1931 // Data transfer via a file. deprecated - use DAT_SETUPFILEXFER instead
1932 #define DAT_SETUPFILEXFER2 0x0301
1933 
1934 #define CAP_SUPPORTEDCAPSEXT 0x100c
1935 #define CAP_FILESYSTEM                 // 0x????
1936 #define CAP_PAGEMULTIPLEACQUIRE 0x1023 /* Added 1.8 */
1937 #define CAP_PAPERBINDING 0x102f        /* Added 1.8 */
1938 #define CAP_PASSTHRU 0x1031            /* Added 1.8 */
1939 // 0x1034 is reused by CAP_CAMERASIDE
1940 #define CAP_POWERDOWNTIME 0x1034    /* Added 1.8 */
1941 #define ACAP_AUDIOFILEFORMAT 0x1201 /* Added 1.8 */
1942 
1943 // Get status information - use MSG_GET instead
1944 #define MSG_CHECKSTATUS 0x0201
1945 
1946 // Mac Only, deprecated - use DAT_NULL and MSG_xxx instead
1947 #define MSG_INVOKE_CALLBACK 0x0903
1948 
1949 #define TWSX_FILE2 3
1950 
1951 /* CAP_FILESYSTEM values (FS_ means file system) */
1952 #define TWFS_FILESYSTEM 0
1953 #define TWFS_RECURSIVEDELETE 1
1954 
1955 /* ICAP_PIXELTYPE values (PT_ means Pixel Type) */
1956 #define TWPT_SRGB64 11 /* 1.91 */
1957 #define TWPT_BGR 12    /* 1.91 */
1958 #define TWPT_CIELAB 13 /* 1.91 */
1959 #define TWPT_CIELUV 14 /* 1.91 */
1960 #define TWPT_YCBCR 15  /* 1.91 */
1961 
1962 /* ICAP_SUPPORTEDSIZES values (SS_ means Supported Sizes) */
1963 #define TWSS_B 8
1964 #define TWSS_A4LETTER TWSS_A4    /* use TWSS_A4 instead */
1965 #define TWSS_B3 TWSS_ISOB3       /* use TWSS_ISOB3 instead */
1966 #define TWSS_B4 TWSS_ISOB4       /* use TWSS_ISOB4 instead */
1967 #define TWSS_B6 TWSS_ISOB6       /* use TWSS_ISOB6 instead */
1968 #define TWSS_B5LETTER TWSS_JISB5 /* use TWSS_JISB5 instead */
1969 
1970 /* CAP_LANGUAGE Language Constants */
1971 #define TWLG_DAN TWLG_DANISH          /* use TWLG_DANISH instead */
1972 #define TWLG_DUT TWLG_DUTCH           /* use TWLG_DUTCH instead */
1973 #define TWLG_ENG TWLG_ENGLISH         /* use TWLG_ENGLISH instead */
1974 #define TWLG_USA TWLG_ENGLISH_USA     /* use TWLG_ENGLISH_USA instead */
1975 #define TWLG_FIN TWLG_FINNISH         /* use TWLG_FINNISH instead */
1976 #define TWLG_FRN TWLG_FRENCH          /* use TWLG_FRENCH instead */
1977 #define TWLG_FCF TWLG_FRENCH_CANADIAN /* use TWLG_FRENCH_CANADIAN instead */
1978 #define TWLG_GER TWLG_GERMAN          /* use TWLG_GERMAN instead */
1979 #define TWLG_ICE TWLG_ICELANDIC       /* use TWLG_ICELANDIC instead */
1980 #define TWLG_ITN TWLG_ITALIAN         /* use TWLG_ITALIAN instead */
1981 #define TWLG_NOR TWLG_NORWEGIAN       /* use TWLG_NORWEGIAN instead */
1982 #define TWLG_POR TWLG_PORTUGUESE      /* use TWLG_PORTUGUESE instead */
1983 #define TWLG_SPA TWLG_SPANISH         /* use TWLG_SPANISH instead */
1984 #define TWLG_SWE TWLG_SWEDISH         /* use TWLG_SWEDISH instead */
1985 
1986 /* ACAP_AUDIOFILEFORMAT values (AF_ means audio format).  Added 1.8 */
1987 #define TWAF_WAV 0
1988 #define TWAF_AIFF 1
1989 #define TWAF_AU 3
1990 #define TWAF_SND 4
1991 
1992 /* DAT_SETUPFILEXFER2. Sets up DS to application data transfer via a file. Added
1993  * 1.9 */
1994 typedef struct {
1995   TW_MEMREF FileName;     /* Pointer to file name text */
1996   TW_UINT16 FileNameType; /* TWTY_STR1024 or TWTY_UNI512 */
1997   TW_UINT16 Format;       /* Any TWFF_ constant */
1998   TW_INT16 VRefNum;       /* Used for Mac only  */
1999   TW_UINT32 parID;        /* Used for Mac only */
2000 } TW_SETUPFILEXFER2, FAR *pTW_SETUPFILEXFER2;
2001 
2002 /* SDH - 03/21/95 - TWUNK */
2003 /* DAT_TWUNKIDENTITY. Provides DS identity and 'other' information necessary */
2004 /*                    across thunk link. */
2005 typedef struct {
2006   TW_IDENTITY identity; /* Identity of data source.                 */
2007   TW_STR255 dsPath;     /* Full path and file name of data source.  */
2008 } TW_TWUNKIDENTITY, FAR *pTW_TWUNKIDENTITY;
2009 
2010 /* SDH - 03/21/95 - TWUNK */
2011 /* Provides DS_Entry parameters over thunk link. */
2012 /*  SDH - 03/23/95 - WATCH                                                  */
2013 /*  The thunker requires knowledge about size of data being passed in the   */
2014 /*  lpData parameter to DS_Entry (which is not readily available due to     */
2015 /*  type LPVOID.  Thus, we key off the DAT_ argument to determine the size. */
2016 /*  This has a couple implications:                                         */
2017 /*  1) Any additional DAT_ features require modifications to the thunk code */
2018 /*     for thunker support.                                                 */
2019 /*  2) Any applications which use the custom capabailites are not supported */
2020 /*     under thunking since we have no way of knowing what size data (if    */
2021 /*     any) is being passed.                                                */
2022 typedef struct {
2023   TW_INT8 destFlag;     /* TRUE if dest is not NULL                 */
2024   TW_IDENTITY dest;     /* Identity of data source (if used)        */
2025   TW_INT32 dataGroup;   /* DSM_Entry dataGroup parameter            */
2026   TW_INT16 dataArgType; /* DSM_Entry dataArgType parameter          */
2027   TW_INT16 message;     /* DSM_Entry message parameter              */
2028   TW_INT32 pDataSize;   /* Size of pData (0 if NULL)                */
2029   //  TW_MEMREF   pData;      /* Based on implementation specifics, a     */
2030   /* pData parameter makes no sense in this   */
2031   /* structure, but data (if provided) will be*/
2032   /* appended in the data block.              */
2033 } TW_TWUNKDSENTRYPARAMS, FAR *pTW_TWUNKDSENTRYPARAMS;
2034 
2035 /* SDH - 03/21/95 - TWUNK */
2036 /* Provides DS_Entry results over thunk link. */
2037 typedef struct {
2038   TW_UINT16 returnCode;    /* Thunker DsEntry return code.             */
2039   TW_UINT16 conditionCode; /* Thunker DsEntry condition code.          */
2040   TW_INT32 pDataSize;      /* Size of pData (0 if NULL)                */
2041   //  TW_MEMREF   pData;      /* Based on implementation specifics, a     */
2042   /* pData parameter makes no sense in this   */
2043   /* structure, but data (if provided) will be*/
2044   /* appended in the data block.              */
2045 } TW_TWUNKDSENTRYRETURN, FAR *pTW_TWUNKDSENTRYRETURN;
2046 
2047 /* WJD - 950818 */
2048 /* Added for 1.6 Specification */
2049 /* TWAIN 1.6 CAP_SUPPORTEDCAPSEXT structure */
2050 typedef struct {
2051   TW_UINT16 Cap;        /* Which CAP/ICAP info is relevant to */
2052   TW_UINT16 Properties; /* Messages this CAP/ICAP supports */
2053 } TW_CAPEXT, FAR *pTW_CAPEXT;
2054 
2055 /* DAT_SETUPAUDIOFILEXFER, information required to setup an audio file transfer
2056  */
2057 typedef struct {
2058   TW_STR255 FileName; /* full path target file */
2059   TW_UINT16 Format;   /* one of TWAF_xxxx */
2060   TW_INT16 VRefNum;
2061 } TW_SETUPAUDIOFILEXFER, FAR *pTW_SETUPAUDIOFILEXFER;
2062 
2063 /****************************************************************************
2064  * Entry Points                                                             *
2065  ****************************************************************************/
2066 
2067 /**********************************************************************
2068  * Function: DSM_Entry, the only entry point into the Data Source Manager.
2069  *
2070  * Parameters:
2071  *  pOrigin Identifies the source module of the message. This could
2072  *          identify an Application, a Source, or the Source Manager.
2073  *
2074  *  pDest   Identifies the destination module for the message.
2075  *          This could identify an application or a data source.
2076  *          If this is NULL, the message goes to the Source Manager.
2077  *
2078  *  DG      The Data Group.
2079  *          Example: DG_IMAGE.
2080  *
2081  *  DAT     The Data Attribute Type.
2082  *          Example: DAT_IMAGEMEMXFER.
2083  *
2084  *  MSG     The message.  Messages are interpreted by the destination module
2085  *          with respect to the Data Group and the Data Attribute Type.
2086  *          Example: MSG_GET.
2087  *
2088  *  pData   A pointer to the data structure or variable identified
2089  *          by the Data Attribute Type.
2090  *          Example: (TW_MEMREF)&ImageMemXfer
2091  *                   where ImageMemXfer is a TW_IMAGEMEMXFER structure.
2092  *
2093  * Returns:
2094  *  ReturnCode
2095  *         Example: TWRC_SUCCESS.
2096  *
2097  ********************************************************************/
2098 
2099 /* Don't mangle the name "DSM_Entry" if we're compiling in C++! */
2100 #ifdef __cplusplus
2101 extern "C" {
2102 #endif /* __cplusplus */
2103 
2104 #ifdef TWH_CMP_MSC
2105 
2106 TW_UINT16 FAR PASCAL DSM_Entry(pTW_IDENTITY pOrigin, pTW_IDENTITY pDest,
2107                                TW_UINT32 DG, TW_UINT16 DAT, TW_UINT16 MSG,
2108                                TW_MEMREF pData);
2109 
2110 typedef TW_UINT16(FAR PASCAL *DSMENTRYPROC)(pTW_IDENTITY pOrigin,
2111                                             pTW_IDENTITY pDest, TW_UINT32 DG,
2112                                             TW_UINT16 DAT, TW_UINT16 MSG,
2113                                             TW_MEMREF pData);
2114 
2115 #else
2116 
2117 FAR PASCAL TW_UINT16 DSM_Entry(pTW_IDENTITY pOrigin, pTW_IDENTITY pDest,
2118                                TW_UINT32 DG, TW_UINT16 DAT, TW_UINT16 MSG,
2119                                TW_MEMREF pData);
2120 
2121 typedef TW_UINT16 (*DSMENTRYPROC)(pTW_IDENTITY pOrigin, pTW_IDENTITY pDest,
2122                                   TW_UINT32 DG, TW_UINT16 DAT, TW_UINT16 MSG,
2123                                   TW_MEMREF pData);
2124 
2125 #endif /* TWH_CMP_MSC */
2126 
2127 #ifdef __cplusplus
2128 }
2129 #endif /* cplusplus */
2130 
2131 /**********************************************************************
2132  * Function: DS_Entry, the entry point provided by a Data Source.
2133  *
2134  * Parameters:
2135  *  pOrigin Identifies the source module of the message. This could
2136  *          identify an application or the Data Source Manager.
2137  *
2138  *  DG      The Data Group.
2139  *          Example: DG_IMAGE.
2140  *
2141  *  DAT     The Data Attribute Type.
2142  *          Example: DAT_IMAGEMEMXFER.
2143  *
2144  *  MSG     The message.  Messages are interpreted by the data source
2145  *          with respect to the Data Group and the Data Attribute Type.
2146  *          Example: MSG_GET.
2147  *
2148  *  pData   A pointer to the data structure or variable identified
2149  *          by the Data Attribute Type.
2150  *          Example: (TW_MEMREF)&ImageMemXfer
2151  *                   where ImageMemXfer is a TW_IMAGEMEMXFER structure.
2152  *
2153  * Returns:
2154  *  ReturnCode
2155  *          Example: TWRC_SUCCESS.
2156  *
2157  * Note:
2158  *  The DSPROC type is only used by an application when it calls
2159  *  a Data Source directly, bypassing the Data Source Manager.
2160  *
2161  ********************************************************************/
2162 /* Don't mangle the name "DS_Entry" if we're compiling in C++! */
2163 #ifdef __cplusplus
2164 extern "C" {
2165 #endif /* __cplusplus */
2166 
2167 #ifdef TWH_CMP_MSC
2168 
2169 TW_UINT16 FAR PASCAL DS_Entry(pTW_IDENTITY pOrigin, TW_UINT32 DG, TW_UINT16 DAT,
2170                               TW_UINT16 MSG, TW_MEMREF pData);
2171 
2172 typedef TW_UINT16(FAR PASCAL *DSENTRYPROC)(pTW_IDENTITY pOrigin, TW_UINT32 DG,
2173                                            TW_UINT16 DAT, TW_UINT16 MSG,
2174                                            TW_MEMREF pData);
2175 
2176 #else
2177 
2178 FAR PASCAL TW_UINT16 DS_Entry(pTW_IDENTITY pOrigin, TW_UINT32 DG, TW_UINT16 DAT,
2179                               TW_UINT16 MSG, TW_MEMREF pData);
2180 
2181 typedef TW_UINT16 (*DSENTRYPROC)(pTW_IDENTITY pOrigin, TW_UINT32 DG,
2182                                  TW_UINT16 DAT, TW_UINT16 MSG, TW_MEMREF pData);
2183 
2184 #endif /* TWH_CMP_MSC */
2185 
2186 typedef TW_HANDLE(PASCAL *DSM_MEMALLOCATE)(TW_UINT32 _size);
2187 typedef void(PASCAL *DSM_MEMFREE)(TW_HANDLE _handle);
2188 typedef TW_MEMREF(PASCAL *DSM_MEMLOCK)(TW_HANDLE _handle);
2189 typedef void(PASCAL *DSM_MEMUNLOCK)(TW_HANDLE _handle);
2190 
2191 #ifdef __cplusplus
2192 }
2193 #endif /* __cplusplus */
2194 
2195 /* DAT_ENTRYPOINT. returns essential entry points. */
2196 typedef struct {
2197   TW_UINT32 Size;
2198   DSMENTRYPROC DSM_Entry;
2199   DSM_MEMALLOCATE DSM_MemAllocate;
2200   DSM_MEMFREE DSM_MemFree;
2201   DSM_MEMLOCK DSM_MemLock;
2202   DSM_MEMUNLOCK DSM_MemUnlock;
2203 } TW_ENTRYPOINT, FAR *pTW_ENTRYPOINT;
2204 
2205 /* Restore the previous packing alignment: this occurs after all structures are
2206  * defined */
2207 #ifdef TWH_CMP_MSC
2208 #pragma pack(pop, before_twain)
2209 #elif defined(TWH_CMP_GNU)
2210 #pragma pack(pop, before_twain)
2211 #elif defined(TWH_CMP_BORLAND)
2212 #pragma option -a.
2213 #elif defined(TWH_CMP_XCODE)
2214 #if PRAGMA_STRUCT_ALIGN
2215 #pragma options align = reset
2216 #elif PRAGMA_STRUCT_PACKPUSH
2217 #pragma pack(pop)
2218 #elif PRAGMA_STRUCT_PACK
2219 #pragma pack()
2220 #endif
2221 #endif
2222 
2223 #endif /* TWAIN */
2224