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