dlls/twain/twain32_main.c

   1 /*
   2  * TWAIN32 functions
   3  *
   4  * Copyright 2000 Shi Quan He <shiquan@cyberdude.com>
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20
  21 #include "config.h"
  22
  23 #include <stdarg.h>
  24
  25 #include "windef.h"
  26 #include "winbase.h"
  27 #include "twain.h"
  28 #include "twain_i.h"
  29 #include "wine/debug.h"
  30
  31 WINE_DEFAULT_DEBUG_CHANNEL(twain);
  32
  33 BOOL WINAPI DllMain (HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved)
  34 {
  35     TRACE("%p,%lx,%p\n", hinstDLL, fdwReason, lpvReserved);
  36
  37     switch (fdwReason)
  38     {
  39         case DLL_PROCESS_ATTACH:
  40             DisableThreadLibraryCalls(hinstDLL);
  41             DSM_currentState = 2;
  42             break;
  43
  44         case DLL_PROCESS_DETACH:
  45             DSM_currentState = 1;
  46             break;
  47     }
  48
  49     return TRUE;
  50 }
  51
  52 TW_UINT16 TWAIN_SourceManagerHandler (
  53            pTW_IDENTITY pOrigin,
  54            TW_UINT16   DAT,
  55            TW_UINT16   MSG,
  56            TW_MEMREF   pData)
  57 {
  58     TW_UINT16 twRC = TWRC_SUCCESS;
  59
  60     switch (DAT)
  61     {
  62         case DAT_IDENTITY:
  63             switch (MSG)
  64             {
  65                 case MSG_CLOSEDS:
  66                     twRC = TWAIN_CloseDS (pOrigin, pData);
  67                     break;
  68
  69                 case MSG_GETDEFAULT:
  70                     twRC = TWAIN_IdentityGetDefault (pOrigin, pData);
  71                     break;
  72
  73                 case MSG_GETFIRST:
  74                     twRC = TWAIN_IdentityGetFirst (pOrigin, pData);
  75                     break;
  76
  77                 case MSG_GETNEXT:
  78                     twRC = TWAIN_IdentityGetNext (pOrigin, pData);
  79                     break;
  80
  81                 case MSG_OPENDS:
  82                     twRC = TWAIN_OpenDS (pOrigin, pData);
  83                     break;
  84
  85                 case MSG_USERSELECT:
  86                     twRC = TWAIN_UserSelect (pOrigin, pData);
  87                     break;
  88
  89                 default:
  90                     /* Unrecognized operation triplet */
  91                     twRC = TWRC_FAILURE;
  92                     DSM_twCC = TWCC_BADPROTOCOL;
  93                     WARN("unrecognized operation triplet\n");
  94                     break;
  95             }
  96             break;
  97
  98         case DAT_PARENT:
  99             switch (MSG)
 100             {
 101                 case MSG_CLOSEDSM:
 102                     twRC = TWAIN_CloseDSM (pOrigin, pData);
 103                     break;
 104
 105                 case MSG_OPENDSM:
 106                     twRC = TWAIN_OpenDSM (pOrigin, pData);
 107                     break;
 108
 109                 default:
 110                     /* Unrecognized operation triplet */
 111                     twRC = TWRC_FAILURE;
 112                     DSM_twCC = TWCC_BADPROTOCOL;
 113                     WARN("unrecognized operation triplet\n");
 114             }
 115             break;
 116
 117         case DAT_STATUS:
 118             if (MSG == MSG_GET)
 119             {
 120                 twRC = TWAIN_GetDSMStatus (pOrigin, pData);
 121             }
 122             else
 123             {
 124                 twRC = TWRC_FAILURE;
 125                 DSM_twCC = TWCC_BADPROTOCOL;
 126                 WARN("unrecognized operation triplet\n");
 127             }
 128             break;
 129
 130         default:
 131             twRC = TWRC_FAILURE;
 132             DSM_twCC = TWCC_BADPROTOCOL;
 133             WARN("unrecognized operation triplet\n");
 134             break;
 135     }
 136
 137     return twRC;
 138 }
 139
 140 TW_UINT16 TWAIN_SourceControlHandler (
 141            pTW_IDENTITY pOrigin,
 142            pTW_IDENTITY pDest,
 143            TW_UINT16    DAT,
 144            TW_UINT16    MSG,
 145            TW_MEMREF    pData)
 146 {
 147     TW_UINT16 twRC = TWRC_SUCCESS;
 148
 149     switch (DAT)
 150     {
 151         case DAT_CAPABILITY:
 152             switch (MSG)
 153             {
 154                 case MSG_GET:
 155                     twRC = TWAIN_CapabilityGet (pOrigin, pDest, pData);
 156                     break;
 157                 case MSG_GETCURRENT:
 158                     twRC = TWAIN_CapabilityGetCurrent (pOrigin, pDest, pData);
 159                     break;
 160                 case MSG_GETDEFAULT:
 161                     twRC = TWAIN_CapabilityGetDefault (pOrigin, pDest, pData);
 162                     break;
 163                 case MSG_QUERYSUPPORT:
 164                     twRC = TWAIN_CapabilityQuerySupport (pOrigin, pDest, pData);
 165                     break;
 166                 case MSG_RESET:
 167                     twRC = TWAIN_CapabilityReset (pOrigin, pDest, pData);
 168                     break;
 169                 case MSG_SET:
 170                     twRC = TWAIN_CapabilitySet (pOrigin, pDest, pData);
 171                     break;
 172                 default:
 173                     twRC = TWRC_FAILURE;
 174                     WARN("unrecognized opertion triplet\n");
 175             }
 176             break;
 177
 178         case DAT_CUSTOMDSDATA:
 179             switch (MSG)
 180             {
 181                 case MSG_GET:
 182                     twRC = TWAIN_CustomDSDataGet (pOrigin, pDest, pData);
 183                     break;
 184                 case MSG_SET:
 185                     twRC = TWAIN_CustomDSDataSet (pOrigin, pDest, pData);
 186                     break;
 187                 default:
 188                     break;
 189             }
 190             break;
 191
 192         case DAT_FILESYSTEM:
 193             switch (MSG)
 194             {
 195                 /*case MSG_AUTOMATICCAPTUREDIRECTORY:
 196                     twRC = TWAIN_AutomaticCaptureDirectory
 197                                (pOrigin, pDest, pData);
 198                     break;*/
 199                 case MSG_CHANGEDIRECTORY:
 200                     twRC = TWAIN_ChangeDirectory (pOrigin, pDest, pData);
 201                     break;
 202                 /*case MSG_COPY:
 203                     twRC = TWAIN_FileSystemCopy (pOrigin, pDest, pData);
 204                     break;*/
 205                 case MSG_CREATEDIRECTORY:
 206                     twRC = TWAIN_CreateDirectory (pOrigin, pDest, pData);
 207                     break;
 208                 case MSG_DELETE:
 209                     twRC = TWAIN_FileSystemDelete (pOrigin, pDest, pData);
 210                     break;
 211                 case MSG_FORMATMEDIA:
 212                     twRC = TWAIN_FormatMedia (pOrigin, pDest, pData);
 213                     break;
 214                 case MSG_GETCLOSE:
 215                     twRC = TWAIN_FileSystemGetClose (pOrigin, pDest, pData);
 216                     break;
 217                 case MSG_GETFIRSTFILE:
 218                     twRC = TWAIN_FileSystemGetFirstFile
 219                                (pOrigin, pDest, pData);
 220                     break;
 221                 case MSG_GETINFO:
 222                     twRC = TWAIN_FileSystemGetInfo (pOrigin, pDest, pData);
 223                     break;
 224                 case MSG_GETNEXTFILE:
 225                     twRC = TWAIN_FileSystemGetNextFile
 226                                (pOrigin, pDest, pData);
 227                     break;
 228                 case MSG_RENAME:
 229                     twRC = TWAIN_FileSystemRename (pOrigin, pDest, pData);
 230                     break;
 231                 default:
 232                     twRC = TWRC_FAILURE;
 233                     break;
 234             }
 235             break;
 236
 237         case DAT_EVENT:
 238             if (MSG == MSG_PROCESSEVENT)
 239                 twRC = TWAIN_ProcessEvent (pOrigin, pDest, pData);
 240             else
 241                 twRC = TWRC_FAILURE;
 242             break;
 243
 244         case DAT_PASSTHRU:
 245             if (MSG == MSG_PASSTHRU)
 246                 twRC = TWAIN_PassThrough (pOrigin, pDest, pData);
 247             else
 248                 twRC = TWRC_FAILURE;
 249             break;
 250
 251         case DAT_PENDINGXFERS:
 252             switch (MSG)
 253             {
 254                 case MSG_ENDXFER:
 255                     twRC = TWAIN_PendingXfersEndXfer (pOrigin, pDest, pData);
 256                     break;
 257                 case MSG_GET:
 258                     twRC = TWAIN_PendingXfersGet (pOrigin, pDest, pData);
 259                     break;
 260                 case MSG_RESET:
 261                     twRC = TWAIN_PendingXfersReset (pOrigin, pDest, pData);
 262                     break;
 263                 /*case MSG_STOPFEEDER:
 264                     twRC = TWAIN_PendingXfersStopFeeder
 265                                (pOrigin, pDest, pData);
 266                     break;*/
 267                 default:
 268                     twRC = TWRC_FAILURE;
 269             }
 270             break;
 271
 272         case DAT_SETUPFILEXFER:
 273             switch (MSG)
 274             {
 275                 case MSG_GET:
 276                     twRC = TWAIN_SetupFileXferGet (pOrigin, pDest, pData);
 277                     break;
 278                 case MSG_GETDEFAULT:
 279                     twRC = TWAIN_SetupFileXferGetDefault
 280                                (pOrigin, pDest, pData);
 281                     break;
 282                 case MSG_RESET:
 283                     twRC = TWAIN_SetupFileXferReset (pOrigin, pDest, pData);
 284                     break;
 285                 case MSG_SET:
 286                     twRC = TWAIN_SetupFileXferSet (pOrigin, pDest, pData);
 287                     break;
 288                 default:
 289                     twRC = TWRC_FAILURE;
 290                     break;
 291             }
 292             break;
 293
 294         /*case DAT_SETUPFILEXFER2:
 295             switch (MSG)
 296             {
 297                 case MSG_GET:
 298                     twRC = TWAIN_SetupFileXfer2Get (pOrigin, pDest, pData);
 299                     break;
 300                 case MSG_GETDEFAULT:
 301                     twRC = TWAIN_SetupFileXfer2GetDefault
 302                                (pOrigin, pDest, pData);
 303                     break;
 304                 case MSG_RESET:
 305                     twRC = TWAIN_SetupFileXfer2Reset (pOrigin, pDest, pData);
 306                     break;
 307                 case MSG_SET:
 308                     twRC = TWAIN_SetupFileXfer2Set (pOrigin, pDest, pData);
 309                     break;
 310             }
 311             break;*/
 312         case DAT_SETUPMEMXFER:
 313             if (MSG == MSG_GET)
 314                 twRC = TWAIN_SetupMemXferGet (pOrigin, pDest, pData);
 315             else
 316                 twRC = TWRC_FAILURE;
 317             break;
 318
 319         case DAT_STATUS:
 320             if (MSG == MSG_GET)
 321                 twRC = TWAIN_GetDSStatus (pOrigin, pDest, pData);
 322             else
 323                 twRC = TWRC_FAILURE;
 324             break;
 325
 326         case DAT_USERINTERFACE:
 327             switch (MSG)
 328             {
 329                 case MSG_DISABLEDS:
 330                     twRC = TWAIN_DisableDSUserInterface
 331                                (pOrigin, pDest, pData);
 332                     break;
 333                 case MSG_ENABLEDS:
 334                     twRC = TWAIN_EnableDSUserInterface
 335                                (pOrigin, pDest, pData);
 336                     break;
 337                 case MSG_ENABLEDSUIONLY:
 338                     twRC = TWAIN_EnableDSUIOnly (pOrigin, pDest, pData);
 339                     break;
 340                 default:
 341                     twRC = TWRC_FAILURE;
 342                     break;
 343             }
 344             break;
 345
 346         case DAT_XFERGROUP:
 347             switch (MSG)
 348             {
 349                 case MSG_GET:
 350                     twRC = TWAIN_XferGroupGet (pOrigin, pDest, pData);
 351                     break;
 352                 case MSG_SET:
 353                     twRC = TWAIN_XferGroupSet (pOrigin, pDest, pData);
 354                     break;
 355                 default:
 356                     twRC = TWRC_FAILURE;
 357                     break;
 358             }
 359             break;
 360
 361         default:
 362             twRC = TWRC_FAILURE;
 363             break;
 364     }
 365
 366     return twRC;
 367 }
 368
 369 TW_UINT16 TWAIN_ControlGroupHandler (
 370            pTW_IDENTITY pOrigin,
 371            pTW_IDENTITY pDest,
 372            TW_UINT16    DAT,
 373            TW_UINT16    MSG,
 374            TW_MEMREF    pData)
 375 {
 376     TW_UINT16 twRC = TWRC_SUCCESS;
 377
 378     if (pDest)
 379     {
 380         /* This operation's destination is a source */
 381         twRC = TWAIN_SourceControlHandler (pOrigin, pDest, DAT, MSG, pData);
 382     }
 383     else
 384     {
 385         /* This operation's destination is the Source Manager */
 386         twRC = TWAIN_SourceManagerHandler (pOrigin, DAT, MSG, pData);
 387     }
 388
 389     return twRC;
 390 }
 391
 392 TW_UINT16 TWAIN_ImageGroupHandler (
 393            pTW_IDENTITY pOrigin,
 394            pTW_IDENTITY pDest,
 395            TW_UINT16    DAT,
 396            TW_UINT16    MSG,
 397            TW_MEMREF    pData)
 398 {
 399     TW_UINT16 twRC = TWRC_SUCCESS;
 400
 401     if (pDest == NULL)
 402     {
 403         DSM_twCC = TWCC_BADDEST;
 404         return TWRC_FAILURE;
 405     }
 406
 407     switch (DAT)
 408     {
 409         case DAT_CIECOLOR:
 410             if (MSG == MSG_GET)
 411                 twRC = TWAIN_CIEColorGet (pOrigin, pDest, pData);
 412             else
 413                 twRC = TWRC_FAILURE;
 414             break;
 415
 416         case DAT_EXTIMAGEINFO:
 417             if (MSG == MSG_GET)
 418                 twRC = TWAIN_ExtImageInfoGet (pOrigin, pDest, pData);
 419             else
 420                 twRC = TWRC_FAILURE;
 421             break;
 422
 423         case DAT_GRAYRESPONSE:
 424             switch (MSG)
 425             {
 426                 case MSG_RESET:
 427                     twRC = TWAIN_GrayResponseReset (pOrigin, pDest, pData);
 428                     break;
 429                 case MSG_SET:
 430                     twRC = TWAIN_GrayResponseSet (pOrigin, pDest, pData);
 431                     break;
 432                 default:
 433                     twRC = TWRC_FAILURE;
 434                     DSM_twCC = TWCC_BADPROTOCOL;
 435                     WARN("unrecognized operation triplet\n");
 436                     break;
 437             }
 438             break;
 439         case DAT_IMAGEFILEXFER:
 440             if (MSG == MSG_GET)
 441                 twRC = TWAIN_ImageFileXferGet (pOrigin, pDest, pData);
 442             else
 443                 twRC = TWRC_FAILURE;
 444             break;
 445
 446         case DAT_IMAGEINFO:
 447             if (MSG == MSG_GET)
 448                 twRC = TWAIN_ImageInfoGet (pOrigin, pDest, pData);
 449             else
 450                 twRC = TWRC_FAILURE;
 451             break;
 452
 453         case DAT_IMAGELAYOUT:
 454             switch (MSG)
 455             {
 456                 case MSG_GET:
 457                     twRC = TWAIN_ImageLayoutGet (pOrigin, pDest, pData);
 458                     break;
 459                 case MSG_GETDEFAULT:
 460                     twRC = TWAIN_ImageLayoutGetDefault (pOrigin, pDest, pData);
 461                     break;
 462                 case MSG_RESET:
 463                     twRC = TWAIN_ImageLayoutReset (pOrigin, pDest, pData);
 464                     break;
 465                 case MSG_SET:
 466                     twRC = TWAIN_ImageLayoutSet (pOrigin, pDest, pData);
 467                     break;
 468                 default:
 469                     twRC = TWRC_FAILURE;
 470                     DSM_twCC = TWCC_BADPROTOCOL;
 471                     WARN("unrecognized operation triplet\n");
 472                     break;
 473             }
 474             break;
 475
 476         case DAT_IMAGEMEMXFER:
 477             if (MSG == MSG_GET)
 478                 twRC = TWAIN_ImageMemXferGet (pOrigin, pDest, pData);
 479             else
 480                 twRC = TWRC_FAILURE;
 481             break;
 482
 483         case DAT_IMAGENATIVEXFER:
 484             if (MSG == MSG_GET)
 485                 twRC = TWAIN_ImageNativeXferGet (pOrigin, pDest, pData);
 486             else
 487                 twRC = TWRC_FAILURE;
 488             break;
 489
 490         case DAT_JPEGCOMPRESSION:
 491             switch (MSG)
 492             {
 493                 case MSG_GET:
 494                     twRC = TWAIN_JPEGCompressionGet (pOrigin, pDest, pData);
 495                     break;
 496                 case MSG_GETDEFAULT:
 497                     twRC = TWAIN_JPEGCompressionGetDefault
 498                                (pOrigin, pDest, pData);
 499                     break;
 500                 case MSG_RESET:
 501                     twRC = TWAIN_JPEGCompressionReset (pOrigin, pDest, pData);
 502                     break;
 503                 case MSG_SET:
 504                     twRC = TWAIN_JPEGCompressionSet (pOrigin, pDest, pData);
 505                     break;
 506                 default:
 507                     twRC = TWRC_FAILURE;
 508                     DSM_twCC = TWCC_BADPROTOCOL;
 509                     WARN("unrecognized operation triplet\n");
 510                     break;
 511             }
 512             break;
 513
 514         case DAT_PALETTE8:
 515             switch (MSG)
 516             {
 517                 case MSG_GET:
 518                     twRC = TWAIN_Palette8Get (pOrigin, pDest, pData);
 519                     break;
 520                 case MSG_GETDEFAULT:
 521                     twRC = TWAIN_Palette8GetDefault (pOrigin, pDest, pData);
 522                     break;
 523                 case MSG_RESET:
 524                     twRC = TWAIN_Palette8Reset (pOrigin, pDest, pData);
 525                     break;
 526                 case MSG_SET:
 527                     twRC = TWAIN_Palette8Set (pOrigin, pDest, pData);
 528                     break;
 529                 default:
 530                     twRC = TWRC_FAILURE;
 531                     DSM_twCC = TWCC_BADPROTOCOL;
 532                     WARN("unrecognized operation triplet\n");
 533             }
 534             break;
 535
 536         case DAT_RGBRESPONSE:
 537             switch (MSG)
 538             {
 539                 case MSG_RESET:
 540                     twRC = TWAIN_RGBResponseReset (pOrigin, pDest, pData);
 541                     break;
 542                 case MSG_SET:
 543                     twRC = TWAIN_RGBResponseSet (pOrigin, pDest, pData);
 544                     break;
 545                 default:
 546                     twRC = TWRC_FAILURE;
 547                     DSM_twCC = TWCC_BADPROTOCOL;
 548                     WARN("unrecognized operation triplet\n");
 549                     break;
 550             }
 551             break;
 552
 553         default:
 554             twRC = TWRC_FAILURE;
 555             DSM_twCC = TWCC_BADPROTOCOL;
 556             WARN("unrecognized operation triplet\n");
 557     }
 558     return twRC;
 559 }
 560
 561 TW_UINT16 TWAIN_AudioGroupHandler (
 562            pTW_IDENTITY pOrigin,
 563            pTW_IDENTITY pDest,
 564            TW_UINT16    DAT,
 565            TW_UINT16    MSG,
 566            TW_MEMREF    pData)
 567 {
 568     TW_UINT16 twRC = TWRC_FAILURE;
 569
 570     switch (DAT)
 571     {
 572         case DAT_AUDIOFILEXFER:
 573             if (MSG == MSG_GET)
 574                 twRC = TWAIN_AudioFileXferGet (pOrigin, pDest, pData);
 575             break;
 576
 577         case DAT_AUDIOINFO:
 578             if (MSG == MSG_GET)
 579                 twRC = TWAIN_AudioInfoGet (pOrigin, pDest, pData);
 580             break;
 581
 582         case DAT_AUDIONATIVEXFER:
 583             if (MSG == MSG_GET)
 584                 twRC = TWAIN_AudioNativeXferGet (pOrigin, pDest, pData);
 585             break;
 586
 587         default:
 588             DSM_twCC = TWCC_BADPROTOCOL;
 589             twRC = TWRC_FAILURE;
 590             break;
 591     }
 592
 593     return twRC;
 594 }
 595
 596 /* Main entry point for the TWAIN library */
 597 TW_UINT16 WINAPI
 598 DSM_Entry (pTW_IDENTITY pOrigin,
 599            pTW_IDENTITY pDest,
 600            TW_UINT32    DG,
 601            TW_UINT16    DAT,
 602            TW_UINT16    MSG,
 603            TW_MEMREF    pData)
 604 {
 605     TW_UINT16 twRC = TWRC_SUCCESS;  /* Return Code */
 606
 607     TRACE("(DG=%ld DAT=%d MSG=%d)\n", DG, DAT, MSG);
 608
 609     switch (DG)
 610     {
 611         case DG_CONTROL:
 612             twRC = TWAIN_ControlGroupHandler (pOrigin,pDest,DAT,MSG,pData);
 613             break;
 614         case DG_IMAGE:
 615             twRC = TWAIN_ImageGroupHandler (pOrigin,pDest,DAT,MSG,pData);
 616             break;
 617         case DG_AUDIO:
 618             twRC = TWAIN_AudioGroupHandler (pOrigin,pDest,DAT,MSG,pData);
 619             break;
 620         default:
 621             DSM_twCC = TWCC_BADPROTOCOL;
 622             twRC = TWRC_FAILURE;
 623     }
 624
 625     return twRC;
 626 }
 627
 628 /* A helper function that looks up a destination identity in the active
 629    source list */
 630 activeDS *TWAIN_LookupSource (pTW_IDENTITY pDest)
 631 {
 632     activeDS *pSource;
 633
 634     for (pSource = activeSources; pSource; pSource = pSource->next)
 635         if (pSource->identity.Id == pDest->Id)
 636             break;
 637
 638     return pSource;
 639 }