git.oblomov.eu Git - wine/blob - dlls/gphoto2.ds/capability.c

   1 /*
   2  * Copyright 2000 Corel Corporation
   3  * Copyright 2006 Marcus Meissner
   4  *
   5  * This library is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Lesser General Public
   7  * License as published by the Free Software Foundation; either
   8  * version 2.1 of the License, or (at your option) any later version.
   9  *
  10  * This library is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * Lesser General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Lesser General Public
  16  * License along with this library; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  18  */
  19
  20 #define NONAMELESSUNION
  21 #define NONAMELESSSTRUCT
  22
  23 #include "config.h"
  24
  25 #include <stdarg.h>
  26
  27 #include "windef.h"
  28 #include "winbase.h"
  29 #include "twain.h"
  30 #include "gphoto2_i.h"
  31 #include "wine/debug.h"
  32
  33 WINE_DEFAULT_DEBUG_CHANNEL(twain);
  34
  35 static TW_UINT16 GPHOTO2_ICAPXferMech (pTW_CAPABILITY,TW_UINT16);
  36 static TW_UINT16 GPHOTO2_ICAPPixelType (pTW_CAPABILITY,TW_UINT16);
  37 static TW_UINT16 GPHOTO2_ICAPPixelFlavor (pTW_CAPABILITY,TW_UINT16);
  38 static TW_UINT16 GPHOTO2_ICAPBitDepth (pTW_CAPABILITY,TW_UINT16);
  39 static TW_UINT16 GPHOTO2_ICAPUnits (pTW_CAPABILITY,TW_UINT16);
  40
  41 TW_UINT16 GPHOTO2_SaneCapability (pTW_CAPABILITY pCapability, TW_UINT16 action)
  42 {
  43     TW_UINT16 twCC = TWCC_SUCCESS;
  44
  45     TRACE("capability=%d action=%d\n", pCapability->Cap, action);
  46
  47     switch (pCapability->Cap)
  48     {
  49         case CAP_DEVICEEVENT:
  50         case CAP_ALARMS:
  51         case CAP_ALARMVOLUME:
  52         case ACAP_AUDIOFILEFORMAT:
  53         case ACAP_XFERMECH:
  54         case ICAP_AUTOMATICBORDERDETECTION:
  55         case ICAP_AUTOMATICDESKEW:
  56         case ICAP_AUTODISCARDBLANKPAGES:
  57         case ICAP_AUTOMATICROTATE:
  58         case ICAP_FLIPROTATION:
  59         case CAP_AUTOMATICCAPTURE:
  60         case CAP_TIMEBEFOREFIRSTCAPTURE:
  61         case CAP_TIMEBETWEENCAPTURES:
  62         case CAP_AUTOSCAN:
  63         case CAP_CLEARBUFFERS:
  64         case CAP_MAXBATCHBUFFERS:
  65         case ICAP_BARCODEDETECTIONENABLED:
  66         case ICAP_SUPPORTEDBARCODETYPES:
  67         case ICAP_BARCODEMAXSEARCHPRIORITIES:
  68         case ICAP_BARCODESEARCHPRIORITIES:
  69         case ICAP_BARCODESEARCHMODE:
  70         case ICAP_BARCODEMAXRETRIES:
  71         case ICAP_BARCODETIMEOUT:
  72         case CAP_EXTENDEDCAPS:
  73         case CAP_SUPPORTEDCAPS:
  74         case ICAP_FILTER:
  75         case ICAP_GAMMA:
  76         case ICAP_PLANARCHUNKY:
  77         case ICAP_BITORDERCODES:
  78         case ICAP_CCITTKFACTOR:
  79         case ICAP_JPEGPIXELTYPE:
  80         /*case ICAP_JPEGQUALITY:*/
  81         case ICAP_PIXELFLAVORCODES:
  82         case ICAP_TIMEFILL:
  83         case CAP_DEVICEONLINE:
  84         case CAP_DEVICETIMEDATE:
  85         case CAP_SERIALNUMBER:
  86         case ICAP_EXPOSURETIME:
  87         case ICAP_FLASHUSED2:
  88         case ICAP_IMAGEFILTER:
  89         case ICAP_LAMPSTATE:
  90         case ICAP_LIGHTPATH:
  91         case ICAP_NOISEFILTER:
  92         case ICAP_OVERSCAN:
  93         case ICAP_PHYSICALHEIGHT:
  94         case ICAP_PHYSICALWIDTH:
  95         case ICAP_ZOOMFACTOR:
  96         case CAP_PRINTER:
  97         case CAP_PRINTERENABLED:
  98         case CAP_PRINTERINDEX:
  99         case CAP_PRINTERMODE:
 100         case CAP_PRINTERSTRING:
 101         case CAP_PRINTERSUFFIX:
 102         case CAP_AUTHOR:
 103         case CAP_CAPTION:
 104         case CAP_TIMEDATE:
 105         case ICAP_AUTOBRIGHT:
 106         case ICAP_BRIGHTNESS:
 107         case ICAP_CONTRAST:
 108         case ICAP_HIGHLIGHT:
 109         case ICAP_ORIENTATION:
 110         case ICAP_ROTATION:
 111         case ICAP_SHADOW:
 112         case ICAP_XSCALING:
 113         case ICAP_YSCALING:
 114         case ICAP_BITDEPTHREDUCTION:
 115         case ICAP_BITORDER:
 116         case ICAP_CUSTHALFTONE:
 117         case ICAP_HALFTONES:
 118         case ICAP_THRESHOLD:
 119         case CAP_LANGUAGE:
 120         case ICAP_FRAMES:
 121         case ICAP_MAXFRAMES:
 122         case ICAP_SUPPORTEDSIZES:
 123         case CAP_AUTOFEED:
 124         case CAP_CLEARPAGE:
 125         case CAP_FEEDERALIGNMENT:
 126         case CAP_FEEDERENABLED:
 127         case CAP_FEEDERLOADED:
 128         case CAP_FEEDERORDER:
 129         case CAP_FEEDPAGE:
 130         case CAP_PAPERBINDING:
 131         case CAP_PAPERDETECTABLE:
 132         case CAP_REACQUIREALLOWED:
 133         case CAP_REWINDPAGE:
 134         case ICAP_PATCHCODEDETECTIONENABLED:
 135         case ICAP_SUPPORTEDPATCHCODETYPES:
 136         case ICAP_PATCHCODEMAXSEARCHPRIORITIES:
 137         case ICAP_PATCHCODESEARCHPRIORITIES:
 138         case ICAP_PATCHCODESEARCHMODE:
 139         case ICAP_PATCHCODEMAXRETRIES:
 140         case ICAP_PATCHCODETIMEOUT:
 141         case CAP_BATTERYMINUTES:
 142         case CAP_BATTERYPERCENTAGE:
 143         case CAP_POWERDOWNTIME:
 144         case CAP_POWERSUPPLY:
 145         case ICAP_XNATIVERESOLUTION:
 146         case ICAP_XRESOLUTION:
 147         case ICAP_YNATIVERESOLUTION:
 148         case ICAP_YRESOLUTION:
 149             twCC = TWCC_CAPUNSUPPORTED;
 150             break;
 151         case CAP_XFERCOUNT:
 152             /* This is a required capability that every source need to
 153                support but we haven't implemented yet. */
 154             twCC = TWCC_SUCCESS;
 155             break;
 156         /*case ICAP_COMPRESSION:*/
 157         case ICAP_IMAGEFILEFORMAT:
 158         case ICAP_TILES:
 159             twCC = TWCC_CAPUNSUPPORTED;
 160             break;
 161         case ICAP_XFERMECH:
 162             twCC = GPHOTO2_ICAPXferMech (pCapability, action);
 163             break;
 164         case ICAP_PIXELTYPE:
 165             twCC = GPHOTO2_ICAPPixelType (pCapability, action);
 166             break;
 167         case ICAP_PIXELFLAVOR:
 168             twCC = GPHOTO2_ICAPPixelFlavor (pCapability, action);
 169             break;
 170         case ICAP_BITDEPTH:
 171             twCC = GPHOTO2_ICAPBitDepth (pCapability, action);
 172             break;
 173         case ICAP_UNITS:
 174             twCC = GPHOTO2_ICAPUnits (pCapability, action);
 175             break;
 176         case ICAP_UNDEFINEDIMAGESIZE:
 177         case CAP_CAMERAPREVIEWUI:
 178         case CAP_ENABLEDSUIONLY:
 179         case CAP_INDICATORS:
 180         case CAP_UICONTROLLABLE:
 181             twCC = TWCC_CAPUNSUPPORTED;
 182             break;
 183
 184         case ICAP_COMPRESSION:
 185             twCC = TWCC_SUCCESS;
 186             break;
 187         default:
 188             twCC = TWRC_FAILURE;
 189             break;
 190     }
 191     return twCC;
 192 }
 193
 194 static TW_BOOL GPHOTO2_OneValueSet32 (pTW_CAPABILITY pCapability, TW_UINT32 value)
 195 {
 196     pCapability->hContainer = (TW_HANDLE)GlobalAlloc (0, sizeof(TW_ONEVALUE));
 197
 198     TRACE("-> %ld\n", value);
 199
 200     if (pCapability->hContainer)
 201     {
 202         pTW_ONEVALUE pVal = GlobalLock ((HGLOBAL) pCapability->hContainer);
 203         pVal->ItemType = TWTY_UINT32;
 204         pVal->Item = value;
 205         GlobalUnlock ((HGLOBAL) pCapability->hContainer);
 206         pCapability->ConType = TWON_ONEVALUE;
 207         return TRUE;
 208     }
 209     else
 210         return FALSE;
 211 }
 212
 213 static TW_BOOL GPHOTO2_OneValueSet16 (pTW_CAPABILITY pCapability, TW_UINT16 value)
 214 {
 215     pCapability->hContainer = (TW_HANDLE)GlobalAlloc (0, sizeof(TW_ONEVALUE));
 216
 217     TRACE("-> %d\n", value);
 218
 219     if (pCapability->hContainer)
 220     {
 221         pTW_ONEVALUE pVal = GlobalLock ((HGLOBAL) pCapability->hContainer);
 222         pVal->ItemType = TWTY_UINT16;
 223         pVal->Item = value;
 224         GlobalUnlock ((HGLOBAL) pCapability->hContainer);
 225         pCapability->ConType = TWON_ONEVALUE;
 226         return TRUE;
 227     }
 228     else
 229         return FALSE;
 230 }
 231
 232 static TW_BOOL GPHOTO2_EnumSet16 (pTW_CAPABILITY pCapability, int nrofvalues,
 233                                   const TW_UINT16 *values, int current, int def)
 234 {
 235     pTW_ENUMERATION pVal;
 236     pCapability->hContainer = (TW_HANDLE)GlobalAlloc (0, sizeof(TW_ENUMERATION) + nrofvalues * sizeof(TW_UINT16));
 237
 238     if (!pCapability->hContainer)
 239         return FALSE;
 240
 241     pVal = GlobalLock ((HGLOBAL) pCapability->hContainer);
 242     pVal->ItemType = TWTY_UINT16;
 243     pVal->NumItems = nrofvalues;
 244     memcpy(pVal->ItemList, values, sizeof(TW_UINT16)*nrofvalues);
 245     pVal->CurrentIndex = current;
 246     pVal->DefaultIndex = def;
 247     pCapability->ConType = TWON_ENUMERATION;
 248     GlobalUnlock ((HGLOBAL) pCapability->hContainer);
 249     return TRUE;
 250 }
 251
 252 static TW_BOOL GPHOTO2_EnumGet16 (pTW_CAPABILITY pCapability, int *nrofvalues, TW_UINT16 **values)
 253 {
 254     pTW_ENUMERATION pVal = GlobalLock ((HGLOBAL) pCapability->hContainer);
 255
 256     if (!pVal)
 257         return FALSE;
 258     *nrofvalues = pVal->NumItems;
 259     *values = HeapAlloc( GetProcessHeap(), 0, sizeof(TW_UINT16)*pVal->NumItems);
 260     memcpy (*values, pVal->ItemList, sizeof(TW_UINT16)*(*nrofvalues));
 261     FIXME("Current Index %ld, Default Index %ld\n", pVal->CurrentIndex, pVal->DefaultIndex);
 262     GlobalUnlock ((HGLOBAL) pCapability->hContainer);
 263     return TRUE;
 264 }
 265
 266 static TW_BOOL GPHOTO2_OneValueGet32 (pTW_CAPABILITY pCapability, TW_UINT32 *pValue)
 267 {
 268     pTW_ONEVALUE pVal = GlobalLock ((HGLOBAL) pCapability->hContainer);
 269
 270     if (pVal)
 271     {
 272         *pValue = pVal->Item;
 273         GlobalUnlock ((HGLOBAL) pCapability->hContainer);
 274         return TRUE;
 275     }
 276     else
 277         return FALSE;
 278 }
 279
 280 static TW_BOOL GPHOTO2_OneValueGet16 (pTW_CAPABILITY pCapability, TW_UINT16 *pValue)
 281 {
 282     pTW_ONEVALUE pVal = GlobalLock ((HGLOBAL) pCapability->hContainer);
 283
 284     if (pVal)
 285     {
 286         *pValue = pVal->Item;
 287         GlobalUnlock ((HGLOBAL) pCapability->hContainer);
 288         return TRUE;
 289     }
 290     else
 291         return FALSE;
 292 }
 293
 294 /* ICAP_XFERMECH */
 295 static TW_UINT16 GPHOTO2_ICAPXferMech (pTW_CAPABILITY pCapability, TW_UINT16 action)
 296 {
 297     TRACE("ICAP_XFERMECH, action %d\n", action);
 298
 299     switch (action)
 300     {
 301         case MSG_GET:
 302             if (!GPHOTO2_OneValueSet32 (pCapability, activeDS.capXferMech))
 303                 return TWCC_LOWMEMORY;
 304             return TWCC_SUCCESS;
 305         case MSG_SET:
 306             if (pCapability->ConType == TWON_ONEVALUE)
 307             {
 308                 TW_UINT32 xfermechtemp = 0;
 309
 310                 if (!GPHOTO2_OneValueGet32 (pCapability, &xfermechtemp))
 311                     return TWCC_LOWMEMORY;
 312                 activeDS.capXferMech = xfermechtemp;
 313                 TRACE("xfermech is %ld\n", xfermechtemp);
 314                 return TWCC_SUCCESS;
 315             }
 316             else if (pCapability->ConType == TWON_ENUMERATION)
 317             {
 318
 319             }
 320             FIXME("GET FAILED\n");
 321             break;
 322         case MSG_GETCURRENT:
 323             if (!GPHOTO2_OneValueSet32 (pCapability, activeDS.capXferMech))
 324                 return TWCC_LOWMEMORY;
 325             break;
 326         case MSG_GETDEFAULT:
 327             if (!GPHOTO2_OneValueSet32 (pCapability, TWSX_NATIVE))
 328                 return TWCC_LOWMEMORY;
 329             break;
 330         case MSG_RESET:
 331             activeDS.capXferMech = TWSX_NATIVE;
 332             break;
 333     }
 334     return TWCC_SUCCESS;
 335 }
 336
 337 /* ICAP_PIXELTYPE */
 338 static TW_UINT16 GPHOTO2_ICAPPixelType (pTW_CAPABILITY pCapability, TW_UINT16 action)
 339 {
 340     TRACE("Action %d\n", action);
 341
 342     switch (action)
 343     {
 344         case MSG_GET:
 345             if ((pCapability->ConType == TWON_DONTCARE16) ||
 346                 (pCapability->ConType == TWON_ONEVALUE)
 347             ) {
 348                 if (!GPHOTO2_OneValueSet16 (pCapability, activeDS.pixeltype))
 349                     return TWCC_LOWMEMORY;
 350                 return TWCC_SUCCESS;
 351             }
 352             FIXME("Unknown container type %x in MSG_GET\n", pCapability->ConType);
 353             return TWCC_CAPBADOPERATION;
 354         case MSG_SET:
 355             if (pCapability->ConType == TWON_ONEVALUE)
 356             {
 357                 TW_UINT16 pixeltype = 0;
 358
 359                 if (!GPHOTO2_OneValueGet16 (pCapability, &pixeltype))
 360                     return TWCC_LOWMEMORY;
 361                 activeDS.pixeltype = pixeltype;
 362                 FIXME("pixeltype changed to %d!\n", pixeltype);
 363                 return TWCC_SUCCESS;
 364             }
 365             FIXME("set not done\n");
 366             if (pCapability->ConType == TWON_ENUMERATION) {
 367                 TW_UINT16       *values = NULL;
 368                 int i, nrofvalues = 0;
 369
 370                 if (!GPHOTO2_EnumGet16 (pCapability, &nrofvalues, &values))
 371                     return TWCC_LOWMEMORY;
 372                 for (i=0;i<nrofvalues;i++)
 373                     FIXME("SET PixelType %d:%d\n", i, values[i]);
 374                 HeapFree (GetProcessHeap(), 0, values);
 375             }
 376             break;
 377         case MSG_GETCURRENT:
 378             if (!GPHOTO2_OneValueSet16 (pCapability, activeDS.pixeltype)) {
 379                 FIXME("Failed one value set in GETCURRENT, contype %d!\n", pCapability->ConType);
 380                 return TWCC_LOWMEMORY;
 381             }
 382             break;
 383         case MSG_GETDEFAULT:
 384             if (!GPHOTO2_OneValueSet16 (pCapability, TWPT_RGB)) {
 385                 FIXME("Failed onevalue set in GETDEFAULT!\n");
 386                 return TWCC_LOWMEMORY;
 387             }
 388             break;
 389         case MSG_RESET:
 390             activeDS.pixeltype = TWPT_RGB;
 391             break;
 392     }
 393     return TWCC_SUCCESS;
 394 }
 395
 396 /* ICAP_PIXELFLAVOR */
 397 static TW_UINT16 GPHOTO2_ICAPPixelFlavor (pTW_CAPABILITY pCapability, TW_UINT16 action)
 398 {
 399     TRACE("Action %d\n", action);
 400
 401     switch (action)
 402     {
 403         case MSG_GET:
 404             if ((pCapability->ConType == TWON_DONTCARE16)       ||
 405                 (pCapability->ConType == TWON_ONEVALUE)
 406             ) {
 407                 if (!GPHOTO2_OneValueSet16 (pCapability, TWPF_CHOCOLATE))
 408                     return TWCC_LOWMEMORY;
 409                 return TWCC_SUCCESS;
 410             }
 411             if (!pCapability->ConType) {
 412                 TW_UINT16 arr[2];
 413                 arr[0] = TWPF_CHOCOLATE;
 414                 arr[1] = TWPF_VANILLA;
 415
 416                 if (!GPHOTO2_EnumSet16 (pCapability, 2, arr, 1, 1))
 417                     return TWCC_LOWMEMORY;
 418                 return TWCC_SUCCESS;
 419             }
 420             FIXME("MSG_GET container type %x unhandled\n", pCapability->ConType);
 421             return TWCC_BADVALUE;
 422         case MSG_SET:
 423             if (pCapability->ConType == TWON_ONEVALUE)
 424             {
 425                 TW_UINT16 pixelflavor = 0;
 426
 427                 if (!GPHOTO2_OneValueGet16 (pCapability, &pixelflavor))
 428                     return TWCC_LOWMEMORY;
 429                 activeDS.pixelflavor = pixelflavor;
 430                 FIXME("pixelflavor is %d\n", pixelflavor);
 431             }
 432             break;
 433         case MSG_GETCURRENT:
 434             if (!GPHOTO2_OneValueSet16 (pCapability, activeDS.pixelflavor))
 435                 return TWCC_LOWMEMORY;
 436             break;
 437         case MSG_GETDEFAULT:
 438             if (!GPHOTO2_OneValueSet16 (pCapability, TWPF_CHOCOLATE))
 439                 return TWCC_LOWMEMORY;
 440             break;
 441         case MSG_RESET:
 442             break;
 443     }
 444     return TWCC_SUCCESS;
 445 }
 446
 447 /* ICAP_BITDEPTH */
 448 static TW_UINT16 GPHOTO2_ICAPBitDepth (pTW_CAPABILITY pCapability, TW_UINT16 action)
 449 {
 450     TRACE("Action %d\n", action);
 451
 452     switch (action)
 453     {
 454         case MSG_GET:
 455             if ((pCapability->ConType == TWON_DONTCARE16) ||
 456                 (pCapability->ConType == TWON_ONEVALUE)
 457             ) {
 458                 if (!GPHOTO2_OneValueSet16 (pCapability, 24))
 459                     return TWCC_LOWMEMORY;
 460                 return TWCC_SUCCESS;
 461             }
 462             FIXME("MSG_GET container type %x unhandled\n", pCapability->ConType);
 463             return TWCC_SUCCESS;
 464         case MSG_SET:
 465             if (pCapability->ConType == TWON_ONEVALUE) {
 466                 TW_UINT16 bitdepth = 0;
 467
 468                 if (!GPHOTO2_OneValueGet16 (pCapability, &bitdepth))
 469                     return TWCC_LOWMEMORY;
 470                 if (bitdepth != 24)
 471                     return TWCC_BADVALUE;
 472                 return TWCC_SUCCESS;
 473             }
 474             if (pCapability->ConType == TWON_ENUMERATION)
 475             {
 476                 int i, nrofvalues = 0;
 477                 TW_UINT16 *values = NULL;
 478
 479                 if (!GPHOTO2_EnumGet16 (pCapability, &nrofvalues, &values))
 480                     return TWCC_LOWMEMORY;
 481                 for (i=0;i<nrofvalues;i++)
 482                     FIXME("SET: enum element %d = %d\n", i, values[i]);
 483                 HeapFree (GetProcessHeap(), 0, values);
 484                 return TWCC_SUCCESS;
 485             }
 486             FIXME("Unhandled container type %d in MSG_SET\n", pCapability->ConType);
 487             break;
 488         case MSG_GETCURRENT:
 489             if (!GPHOTO2_OneValueSet16 (pCapability, 24))
 490                 return TWCC_LOWMEMORY;
 491             break;
 492         case MSG_GETDEFAULT:
 493             if (!GPHOTO2_OneValueSet16 (pCapability, 24))
 494                 return TWCC_LOWMEMORY;
 495             break;
 496         case MSG_RESET:
 497             break;
 498     }
 499     return TWCC_SUCCESS;
 500 }
 501
 502 /* ICAP_UNITS */
 503 static TW_UINT16 GPHOTO2_ICAPUnits (pTW_CAPABILITY pCapability, TW_UINT16 action)
 504 {
 505     TRACE("Action %d\n", action);
 506
 507     switch (action)
 508     {
 509         case MSG_GET:
 510             if ((pCapability->ConType == TWON_DONTCARE16) ||
 511                 (pCapability->ConType == TWON_ONEVALUE)
 512             ) {
 513                 if (!GPHOTO2_OneValueSet16 (pCapability, TWUN_PIXELS))
 514                     return TWCC_LOWMEMORY;
 515                 return TWCC_SUCCESS;
 516             }
 517             FIXME("MSG_GET container type %x unhandled\n", pCapability->ConType);
 518             return TWCC_SUCCESS;
 519         case MSG_SET:
 520             if (pCapability->ConType == TWON_ONEVALUE) {
 521                 TW_UINT16 units = 0;
 522
 523                 if (!GPHOTO2_OneValueGet16 (pCapability, &units))
 524                     return TWCC_LOWMEMORY;
 525                 FIXME("SET to type %d, stub.\n", units);
 526                 return TWCC_SUCCESS;
 527             }
 528             if (pCapability->ConType == TWON_ENUMERATION)
 529             {
 530                 int i, nrofvalues = 0;
 531                 TW_UINT16 *values = NULL;
 532
 533                 if (!GPHOTO2_EnumGet16 (pCapability, &nrofvalues, &values))
 534                     return TWCC_LOWMEMORY;
 535                 for (i=0;i<nrofvalues;i++)
 536                     FIXME("SET: enum element %d = %d\n", i, values[i]);
 537                 HeapFree (GetProcessHeap(), 0, values);
 538                 return TWCC_SUCCESS;
 539             }
 540             FIXME("Unhandled container type %d in MSG_SET\n", pCapability->ConType);
 541             break;
 542         case MSG_GETCURRENT:
 543             if (!GPHOTO2_OneValueSet16 (pCapability, TWUN_INCHES))
 544                 return TWCC_LOWMEMORY;
 545             break;
 546         case MSG_GETDEFAULT:
 547             if (!GPHOTO2_OneValueSet16 (pCapability, TWUN_PIXELS))
 548                 return TWCC_LOWMEMORY;
 549             break;
 550         case MSG_RESET:
 551             break;
 552     }
 553     return TWCC_SUCCESS;
 554 }