git.oblomov.eu Git - wine/blob - dlls/windowscodecs/tiffformat.c

   1 /*
   2  * Copyright 2010 Vincent Povirk for CodeWeavers
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  17  */
  18
  19 #include "config.h"
  20 #include "wine/port.h"
  21
  22 #include <stdarg.h>
  23 #ifdef HAVE_UNISTD_H
  24 #include <unistd.h>
  25 #endif
  26 #ifdef HAVE_TIFFIO_H
  27 #include <tiffio.h>
  28 #endif
  29
  30 #define COBJMACROS
  31
  32 #include "windef.h"
  33 #include "winbase.h"
  34 #include "objbase.h"
  35 #include "wincodec.h"
  36
  37 #include "wincodecs_private.h"
  38
  39 #include "wine/debug.h"
  40 #include "wine/library.h"
  41
  42 WINE_DEFAULT_DEBUG_CHANNEL(wincodecs);
  43
  44 #ifdef SONAME_LIBTIFF
  45
  46 static CRITICAL_SECTION init_tiff_cs;
  47 static CRITICAL_SECTION_DEBUG init_tiff_cs_debug =
  48 {
  49     0, 0, &init_tiff_cs,
  50     { &init_tiff_cs_debug.ProcessLocksList,
  51       &init_tiff_cs_debug.ProcessLocksList },
  52     0, 0, { (DWORD_PTR)(__FILE__ ": init_tiff_cs") }
  53 };
  54 static CRITICAL_SECTION init_tiff_cs = { &init_tiff_cs_debug, -1, 0, 0, 0, 0 };
  55
  56 static void *libtiff_handle;
  57 #define MAKE_FUNCPTR(f) static typeof(f) * p##f
  58 MAKE_FUNCPTR(TIFFClientOpen);
  59 MAKE_FUNCPTR(TIFFClose);
  60 MAKE_FUNCPTR(TIFFCurrentDirectory);
  61 MAKE_FUNCPTR(TIFFGetField);
  62 MAKE_FUNCPTR(TIFFIsByteSwapped);
  63 MAKE_FUNCPTR(TIFFReadDirectory);
  64 MAKE_FUNCPTR(TIFFReadEncodedStrip);
  65 MAKE_FUNCPTR(TIFFReadEncodedTile);
  66 MAKE_FUNCPTR(TIFFSetDirectory);
  67 MAKE_FUNCPTR(TIFFWriteDirectory);
  68 #undef MAKE_FUNCPTR
  69
  70 static void *load_libtiff(void)
  71 {
  72     void *result;
  73
  74     EnterCriticalSection(&init_tiff_cs);
  75
  76     if (!libtiff_handle &&
  77         (libtiff_handle = wine_dlopen(SONAME_LIBTIFF, RTLD_NOW, NULL, 0)) != NULL)
  78     {
  79
  80 #define LOAD_FUNCPTR(f) \
  81     if((p##f = wine_dlsym(libtiff_handle, #f, NULL, 0)) == NULL) { \
  82         ERR("failed to load symbol %s\n", #f); \
  83         libtiff_handle = NULL; \
  84         LeaveCriticalSection(&init_tiff_cs); \
  85         return NULL; \
  86     }
  87         LOAD_FUNCPTR(TIFFClientOpen);
  88         LOAD_FUNCPTR(TIFFClose);
  89         LOAD_FUNCPTR(TIFFCurrentDirectory);
  90         LOAD_FUNCPTR(TIFFGetField);
  91         LOAD_FUNCPTR(TIFFIsByteSwapped);
  92         LOAD_FUNCPTR(TIFFReadDirectory);
  93         LOAD_FUNCPTR(TIFFReadEncodedStrip);
  94         LOAD_FUNCPTR(TIFFReadEncodedTile);
  95         LOAD_FUNCPTR(TIFFSetDirectory);
  96         LOAD_FUNCPTR(TIFFWriteDirectory);
  97 #undef LOAD_FUNCPTR
  98
  99     }
 100
 101     result = libtiff_handle;
 102
 103     LeaveCriticalSection(&init_tiff_cs);
 104     return result;
 105 }
 106
 107 static tsize_t tiff_stream_read(thandle_t client_data, tdata_t data, tsize_t size)
 108 {
 109     IStream *stream = (IStream*)client_data;
 110     ULONG bytes_read;
 111     HRESULT hr;
 112
 113     hr = IStream_Read(stream, data, size, &bytes_read);
 114     if (FAILED(hr)) bytes_read = 0;
 115     return bytes_read;
 116 }
 117
 118 static tsize_t tiff_stream_write(thandle_t client_data, tdata_t data, tsize_t size)
 119 {
 120     IStream *stream = (IStream*)client_data;
 121     ULONG bytes_written;
 122     HRESULT hr;
 123
 124     hr = IStream_Write(stream, data, size, &bytes_written);
 125     if (FAILED(hr)) bytes_written = 0;
 126     return bytes_written;
 127 }
 128
 129 static toff_t tiff_stream_seek(thandle_t client_data, toff_t offset, int whence)
 130 {
 131     IStream *stream = (IStream*)client_data;
 132     LARGE_INTEGER move;
 133     DWORD origin;
 134     ULARGE_INTEGER new_position;
 135     HRESULT hr;
 136
 137     move.QuadPart = offset;
 138     switch (whence)
 139     {
 140         case SEEK_SET:
 141             origin = STREAM_SEEK_SET;
 142             break;
 143         case SEEK_CUR:
 144             origin = STREAM_SEEK_CUR;
 145             break;
 146         case SEEK_END:
 147             origin = STREAM_SEEK_END;
 148             break;
 149         default:
 150             ERR("unknown whence value %i\n", whence);
 151             return -1;
 152     }
 153
 154     hr = IStream_Seek(stream, move, origin, &new_position);
 155     if (SUCCEEDED(hr)) return new_position.QuadPart;
 156     else return -1;
 157 }
 158
 159 static int tiff_stream_close(thandle_t client_data)
 160 {
 161     /* Caller is responsible for releasing the stream object. */
 162     return 0;
 163 }
 164
 165 static toff_t tiff_stream_size(thandle_t client_data)
 166 {
 167     IStream *stream = (IStream*)client_data;
 168     STATSTG statstg;
 169     HRESULT hr;
 170
 171     hr = IStream_Stat(stream, &statstg, STATFLAG_NONAME);
 172
 173     if (SUCCEEDED(hr)) return statstg.cbSize.QuadPart;
 174     else return -1;
 175 }
 176
 177 static int tiff_stream_map(thandle_t client_data, tdata_t *addr, toff_t *size)
 178 {
 179     /* Cannot mmap streams */
 180     return 0;
 181 }
 182
 183 static void tiff_stream_unmap(thandle_t client_data, tdata_t addr, toff_t size)
 184 {
 185     /* No need to ever do this, since we can't map things. */
 186 }
 187
 188 static TIFF* tiff_open_stream(IStream *stream, const char *mode)
 189 {
 190     LARGE_INTEGER zero;
 191
 192     zero.QuadPart = 0;
 193     IStream_Seek(stream, zero, STREAM_SEEK_SET, NULL);
 194
 195     return pTIFFClientOpen("<IStream object>", mode, stream, tiff_stream_read,
 196         tiff_stream_write, tiff_stream_seek, tiff_stream_close,
 197         tiff_stream_size, tiff_stream_map, tiff_stream_unmap);
 198 }
 199
 200 typedef struct {
 201     IWICBitmapDecoder IWICBitmapDecoder_iface;
 202     LONG ref;
 203     IStream *stream;
 204     CRITICAL_SECTION lock; /* Must be held when tiff is used or initiailzed is set */
 205     TIFF *tiff;
 206     BOOL initialized;
 207 } TiffDecoder;
 208
 209 typedef struct {
 210     const WICPixelFormatGUID *format;
 211     int bps;
 212     int samples;
 213     int bpp;
 214     int planar;
 215     int indexed;
 216     int reverse_bgr;
 217     int invert_grayscale;
 218     UINT width, height;
 219     UINT tile_width, tile_height;
 220     UINT tile_stride;
 221     UINT tile_size;
 222     int tiled;
 223     UINT tiles_across;
 224     UINT resolution_unit;
 225     float xres, yres;
 226 } tiff_decode_info;
 227
 228 typedef struct {
 229     IWICBitmapFrameDecode IWICBitmapFrameDecode_iface;
 230     LONG ref;
 231     TiffDecoder *parent;
 232     UINT index;
 233     tiff_decode_info decode_info;
 234     INT cached_tile_x, cached_tile_y;
 235     BYTE *cached_tile;
 236 } TiffFrameDecode;
 237
 238 static const IWICBitmapFrameDecodeVtbl TiffFrameDecode_Vtbl;
 239
 240 static inline TiffDecoder *impl_from_IWICBitmapDecoder(IWICBitmapDecoder *iface)
 241 {
 242     return CONTAINING_RECORD(iface, TiffDecoder, IWICBitmapDecoder_iface);
 243 }
 244
 245 static inline TiffFrameDecode *impl_from_IWICBitmapFrameDecode(IWICBitmapFrameDecode *iface)
 246 {
 247     return CONTAINING_RECORD(iface, TiffFrameDecode, IWICBitmapFrameDecode_iface);
 248 }
 249
 250 static HRESULT tiff_get_decode_info(TIFF *tiff, tiff_decode_info *decode_info)
 251 {
 252     uint16 photometric, bps, samples, planar;
 253     uint16 extra_sample_count, *extra_samples;
 254     int ret;
 255
 256     decode_info->indexed = 0;
 257     decode_info->reverse_bgr = 0;
 258     decode_info->invert_grayscale = 0;
 259     decode_info->tiled = 0;
 260
 261     ret = pTIFFGetField(tiff, TIFFTAG_PHOTOMETRIC, &photometric);
 262     if (!ret)
 263     {
 264         WARN("missing PhotometricInterpretation tag\n");
 265         return E_FAIL;
 266     }
 267
 268     ret = pTIFFGetField(tiff, TIFFTAG_BITSPERSAMPLE, &bps);
 269     if (!ret) bps = 1;
 270     decode_info->bps = bps;
 271
 272     ret = pTIFFGetField(tiff, TIFFTAG_SAMPLESPERPIXEL, &samples);
 273     if (!ret) samples = 1;
 274     decode_info->samples = samples;
 275
 276     if (samples == 1)
 277         planar = 1;
 278     else
 279     {
 280         ret = pTIFFGetField(tiff, TIFFTAG_PLANARCONFIG, &planar);
 281         if (!ret) planar = 1;
 282         if (planar != 1)
 283         {
 284             FIXME("unhandled planar configuration %u\n", planar);
 285             return E_FAIL;
 286         }
 287     }
 288     decode_info->planar = planar;
 289
 290     switch(photometric)
 291     {
 292     case 0: /* WhiteIsZero */
 293         decode_info->invert_grayscale = 1;
 294     case 1: /* BlackIsZero */
 295         if (samples != 1)
 296         {
 297             FIXME("unhandled grayscale sample count %u\n", samples);
 298             return E_FAIL;
 299         }
 300
 301         decode_info->bpp = bps;
 302         switch (bps)
 303         {
 304         case 1:
 305             decode_info->format = &GUID_WICPixelFormatBlackWhite;
 306             break;
 307         case 4:
 308             decode_info->format = &GUID_WICPixelFormat4bppGray;
 309             break;
 310         case 8:
 311             decode_info->format = &GUID_WICPixelFormat8bppGray;
 312             break;
 313         default:
 314             FIXME("unhandled greyscale bit count %u\n", bps);
 315             return E_FAIL;
 316         }
 317         break;
 318     case 2: /* RGB */
 319         decode_info->bpp = bps * samples;
 320
 321         if (samples == 4)
 322         {
 323             ret = pTIFFGetField(tiff, TIFFTAG_EXTRASAMPLES, &extra_sample_count, &extra_samples);
 324             if (!ret)
 325             {
 326                 WARN("Cannot get extra sample type for RGB data, ret=%i count=%i\n", ret, extra_sample_count);
 327                 return E_FAIL;
 328             }
 329         }
 330         else if (samples != 3)
 331         {
 332             FIXME("unhandled RGB sample count %u\n", samples);
 333             return E_FAIL;
 334         }
 335
 336         switch(bps)
 337         {
 338         case 8:
 339             decode_info->reverse_bgr = 1;
 340             if (samples == 3)
 341                 decode_info->format = &GUID_WICPixelFormat24bppBGR;
 342             else
 343                 switch(extra_samples[0])
 344                 {
 345                 case 0: /* Unspecified data */
 346                     decode_info->format = &GUID_WICPixelFormat32bppBGR;
 347                     break;
 348                 case 1: /* Associated (pre-multiplied) alpha data */
 349                     decode_info->format = &GUID_WICPixelFormat32bppPBGRA;
 350                     break;
 351                 case 2: /* Unassociated alpha data */
 352                     decode_info->format = &GUID_WICPixelFormat32bppBGRA;
 353                     break;
 354                 default:
 355                     FIXME("unhandled extra sample type %i\n", extra_samples[0]);
 356                     return E_FAIL;
 357                 }
 358             break;
 359         case 16:
 360             if (samples == 3)
 361                 decode_info->format = &GUID_WICPixelFormat48bppRGB;
 362             else
 363                 switch(extra_samples[0])
 364                 {
 365                 case 0: /* Unspecified data */
 366                     /* decode_info->format = &GUID_WICPixelFormat64bppRGB; */
 367                     FIXME("64-bit RGB is unsupported\n");
 368                     return E_FAIL;
 369                 case 1: /* Associated (pre-multiplied) alpha data */
 370                     decode_info->format = &GUID_WICPixelFormat64bppPRGBA;
 371                     break;
 372                 case 2: /* Unassociated alpha data */
 373                     decode_info->format = &GUID_WICPixelFormat64bppRGBA;
 374                     break;
 375                 default:
 376                     FIXME("unhandled extra sample type %i\n", extra_samples[0]);
 377                     return E_FAIL;
 378                 }
 379             break;
 380         default:
 381             FIXME("unhandled RGB bit count %u\n", bps);
 382             return E_FAIL;
 383         }
 384         break;
 385     case 3: /* RGB Palette */
 386         if (samples != 1)
 387         {
 388             FIXME("unhandled indexed sample count %u\n", samples);
 389             return E_FAIL;
 390         }
 391
 392         decode_info->indexed = 1;
 393         decode_info->bpp = bps;
 394         switch (bps)
 395         {
 396         case 4:
 397             decode_info->format = &GUID_WICPixelFormat4bppIndexed;
 398             break;
 399         case 8:
 400             decode_info->format = &GUID_WICPixelFormat8bppIndexed;
 401             break;
 402         default:
 403             FIXME("unhandled indexed bit count %u\n", bps);
 404             return E_FAIL;
 405         }
 406         break;
 407     case 4: /* Transparency mask */
 408     case 5: /* CMYK */
 409     case 6: /* YCbCr */
 410     case 8: /* CIELab */
 411     default:
 412         FIXME("unhandled PhotometricInterpretation %u\n", photometric);
 413         return E_FAIL;
 414     }
 415
 416     ret = pTIFFGetField(tiff, TIFFTAG_IMAGEWIDTH, &decode_info->width);
 417     if (!ret)
 418     {
 419         WARN("missing image width\n");
 420         return E_FAIL;
 421     }
 422
 423     ret = pTIFFGetField(tiff, TIFFTAG_IMAGELENGTH, &decode_info->height);
 424     if (!ret)
 425     {
 426         WARN("missing image length\n");
 427         return E_FAIL;
 428     }
 429
 430     if ((ret = pTIFFGetField(tiff, TIFFTAG_TILEWIDTH, &decode_info->tile_width)))
 431     {
 432         decode_info->tiled = 1;
 433
 434         if (!ret)
 435         {
 436             WARN("missing tile width\n");
 437             return E_FAIL;
 438         }
 439
 440         ret = pTIFFGetField(tiff, TIFFTAG_TILELENGTH, &decode_info->tile_height);
 441         if (!ret)
 442         {
 443             WARN("missing tile height\n");
 444             return E_FAIL;
 445         }
 446
 447         decode_info->tile_stride = ((decode_info->bpp * decode_info->tile_width + 7)/8);
 448         decode_info->tile_size = decode_info->tile_height * decode_info->tile_stride;
 449         decode_info->tiles_across = (decode_info->width + decode_info->tile_width - 1) / decode_info->tile_width;
 450     }
 451     else if ((ret = pTIFFGetField(tiff, TIFFTAG_ROWSPERSTRIP, &decode_info->tile_height)))
 452     {
 453         if (decode_info->tile_height > decode_info->height)
 454             decode_info->tile_height = decode_info->height;
 455         decode_info->tile_width = decode_info->width;
 456         decode_info->tile_stride = ((decode_info->bpp * decode_info->tile_width + 7)/8);
 457         decode_info->tile_size = decode_info->tile_height * decode_info->tile_stride;
 458     }
 459     else
 460     {
 461         FIXME("missing RowsPerStrip value\n");
 462         return E_FAIL;
 463     }
 464
 465     decode_info->resolution_unit = 0;
 466     pTIFFGetField(tiff, TIFFTAG_RESOLUTIONUNIT, &decode_info->resolution_unit);
 467     if (decode_info->resolution_unit != 0)
 468     {
 469         ret = pTIFFGetField(tiff, TIFFTAG_XRESOLUTION, &decode_info->xres);
 470         if (!ret)
 471         {
 472             WARN("missing X resolution\n");
 473             decode_info->resolution_unit = 0;
 474         }
 475
 476         ret = pTIFFGetField(tiff, TIFFTAG_YRESOLUTION, &decode_info->yres);
 477         if (!ret)
 478         {
 479             WARN("missing Y resolution\n");
 480             decode_info->resolution_unit = 0;
 481         }
 482     }
 483
 484     return S_OK;
 485 }
 486
 487 static HRESULT WINAPI TiffDecoder_QueryInterface(IWICBitmapDecoder *iface, REFIID iid,
 488     void **ppv)
 489 {
 490     TiffDecoder *This = impl_from_IWICBitmapDecoder(iface);
 491     TRACE("(%p,%s,%p)\n", iface, debugstr_guid(iid), ppv);
 492
 493     if (!ppv) return E_INVALIDARG;
 494
 495     if (IsEqualIID(&IID_IUnknown, iid) || IsEqualIID(&IID_IWICBitmapDecoder, iid))
 496     {
 497         *ppv = This;
 498     }
 499     else
 500     {
 501         *ppv = NULL;
 502         return E_NOINTERFACE;
 503     }
 504
 505     IUnknown_AddRef((IUnknown*)*ppv);
 506     return S_OK;
 507 }
 508
 509 static ULONG WINAPI TiffDecoder_AddRef(IWICBitmapDecoder *iface)
 510 {
 511     TiffDecoder *This = impl_from_IWICBitmapDecoder(iface);
 512     ULONG ref = InterlockedIncrement(&This->ref);
 513
 514     TRACE("(%p) refcount=%u\n", iface, ref);
 515
 516     return ref;
 517 }
 518
 519 static ULONG WINAPI TiffDecoder_Release(IWICBitmapDecoder *iface)
 520 {
 521     TiffDecoder *This = impl_from_IWICBitmapDecoder(iface);
 522     ULONG ref = InterlockedDecrement(&This->ref);
 523
 524     TRACE("(%p) refcount=%u\n", iface, ref);
 525
 526     if (ref == 0)
 527     {
 528         if (This->tiff) pTIFFClose(This->tiff);
 529         if (This->stream) IStream_Release(This->stream);
 530         This->lock.DebugInfo->Spare[0] = 0;
 531         DeleteCriticalSection(&This->lock);
 532         HeapFree(GetProcessHeap(), 0, This);
 533     }
 534
 535     return ref;
 536 }
 537
 538 static HRESULT WINAPI TiffDecoder_QueryCapability(IWICBitmapDecoder *iface, IStream *pIStream,
 539     DWORD *pdwCapability)
 540 {
 541     FIXME("(%p,%p,%p): stub\n", iface, pIStream, pdwCapability);
 542     return E_NOTIMPL;
 543 }
 544
 545 static HRESULT WINAPI TiffDecoder_Initialize(IWICBitmapDecoder *iface, IStream *pIStream,
 546     WICDecodeOptions cacheOptions)
 547 {
 548     TiffDecoder *This = impl_from_IWICBitmapDecoder(iface);
 549     TIFF *tiff;
 550     HRESULT hr=S_OK;
 551
 552     TRACE("(%p,%p,%x): stub\n", iface, pIStream, cacheOptions);
 553
 554     EnterCriticalSection(&This->lock);
 555
 556     if (This->initialized)
 557     {
 558         hr = WINCODEC_ERR_WRONGSTATE;
 559         goto exit;
 560     }
 561
 562     tiff = tiff_open_stream(pIStream, "r");
 563
 564     if (!tiff)
 565     {
 566         hr = E_FAIL;
 567         goto exit;
 568     }
 569
 570     This->tiff = tiff;
 571     This->stream = pIStream;
 572     IStream_AddRef(pIStream);
 573     This->initialized = TRUE;
 574
 575 exit:
 576     LeaveCriticalSection(&This->lock);
 577     return hr;
 578 }
 579
 580 static HRESULT WINAPI TiffDecoder_GetContainerFormat(IWICBitmapDecoder *iface,
 581     GUID *pguidContainerFormat)
 582 {
 583     memcpy(pguidContainerFormat, &GUID_ContainerFormatTiff, sizeof(GUID));
 584     return S_OK;
 585 }
 586
 587 static HRESULT WINAPI TiffDecoder_GetDecoderInfo(IWICBitmapDecoder *iface,
 588     IWICBitmapDecoderInfo **ppIDecoderInfo)
 589 {
 590     FIXME("(%p,%p): stub\n", iface, ppIDecoderInfo);
 591     return E_NOTIMPL;
 592 }
 593
 594 static HRESULT WINAPI TiffDecoder_CopyPalette(IWICBitmapDecoder *iface,
 595     IWICPalette *pIPalette)
 596 {
 597     FIXME("(%p,%p): stub\n", iface, pIPalette);
 598     return E_NOTIMPL;
 599 }
 600
 601 static HRESULT WINAPI TiffDecoder_GetMetadataQueryReader(IWICBitmapDecoder *iface,
 602     IWICMetadataQueryReader **ppIMetadataQueryReader)
 603 {
 604     FIXME("(%p,%p): stub\n", iface, ppIMetadataQueryReader);
 605     return E_NOTIMPL;
 606 }
 607
 608 static HRESULT WINAPI TiffDecoder_GetPreview(IWICBitmapDecoder *iface,
 609     IWICBitmapSource **ppIBitmapSource)
 610 {
 611     FIXME("(%p,%p): stub\n", iface, ppIBitmapSource);
 612     return E_NOTIMPL;
 613 }
 614
 615 static HRESULT WINAPI TiffDecoder_GetColorContexts(IWICBitmapDecoder *iface,
 616     UINT cCount, IWICColorContext **ppIColorContexts, UINT *pcActualCount)
 617 {
 618     FIXME("(%p,%u,%p,%p)\n", iface, cCount, ppIColorContexts, pcActualCount);
 619     return E_NOTIMPL;
 620 }
 621
 622 static HRESULT WINAPI TiffDecoder_GetThumbnail(IWICBitmapDecoder *iface,
 623     IWICBitmapSource **ppIThumbnail)
 624 {
 625     TRACE("(%p,%p)\n", iface, ppIThumbnail);
 626     return WINCODEC_ERR_CODECNOTHUMBNAIL;
 627 }
 628
 629 static HRESULT WINAPI TiffDecoder_GetFrameCount(IWICBitmapDecoder *iface,
 630     UINT *pCount)
 631 {
 632     TiffDecoder *This = impl_from_IWICBitmapDecoder(iface);
 633
 634     if (!This->tiff)
 635     {
 636         WARN("(%p) <-- WINCODEC_ERR_WRONGSTATE\n", iface);
 637         return WINCODEC_ERR_WRONGSTATE;
 638     }
 639
 640     EnterCriticalSection(&This->lock);
 641     while (pTIFFReadDirectory(This->tiff)) { }
 642     *pCount = pTIFFCurrentDirectory(This->tiff)+1;
 643     LeaveCriticalSection(&This->lock);
 644
 645     TRACE("(%p) <-- %i\n", iface, *pCount);
 646
 647     return S_OK;
 648 }
 649
 650 static HRESULT WINAPI TiffDecoder_GetFrame(IWICBitmapDecoder *iface,
 651     UINT index, IWICBitmapFrameDecode **ppIBitmapFrame)
 652 {
 653     TiffDecoder *This = impl_from_IWICBitmapDecoder(iface);
 654     TiffFrameDecode *result;
 655     int res;
 656     tiff_decode_info decode_info;
 657     HRESULT hr;
 658
 659     TRACE("(%p,%u,%p)\n", iface, index, ppIBitmapFrame);
 660
 661     if (!This->tiff)
 662         return WINCODEC_ERR_WRONGSTATE;
 663
 664     EnterCriticalSection(&This->lock);
 665     res = pTIFFSetDirectory(This->tiff, index);
 666     if (!res) hr = E_INVALIDARG;
 667     else hr = tiff_get_decode_info(This->tiff, &decode_info);
 668     LeaveCriticalSection(&This->lock);
 669
 670     if (SUCCEEDED(hr))
 671     {
 672         result = HeapAlloc(GetProcessHeap(), 0, sizeof(TiffFrameDecode));
 673
 674         if (result)
 675         {
 676             result->IWICBitmapFrameDecode_iface.lpVtbl = &TiffFrameDecode_Vtbl;
 677             result->ref = 1;
 678             result->parent = This;
 679             result->index = index;
 680             result->decode_info = decode_info;
 681             result->cached_tile_x = -1;
 682             result->cached_tile = HeapAlloc(GetProcessHeap(), 0, decode_info.tile_size);
 683
 684             if (result->cached_tile)
 685                 *ppIBitmapFrame = (IWICBitmapFrameDecode*)result;
 686             else
 687             {
 688                 hr = E_OUTOFMEMORY;
 689                 HeapFree(GetProcessHeap(), 0, result);
 690             }
 691         }
 692         else hr = E_OUTOFMEMORY;
 693     }
 694
 695     if (FAILED(hr)) *ppIBitmapFrame = NULL;
 696
 697     return hr;
 698 }
 699
 700 static const IWICBitmapDecoderVtbl TiffDecoder_Vtbl = {
 701     TiffDecoder_QueryInterface,
 702     TiffDecoder_AddRef,
 703     TiffDecoder_Release,
 704     TiffDecoder_QueryCapability,
 705     TiffDecoder_Initialize,
 706     TiffDecoder_GetContainerFormat,
 707     TiffDecoder_GetDecoderInfo,
 708     TiffDecoder_CopyPalette,
 709     TiffDecoder_GetMetadataQueryReader,
 710     TiffDecoder_GetPreview,
 711     TiffDecoder_GetColorContexts,
 712     TiffDecoder_GetThumbnail,
 713     TiffDecoder_GetFrameCount,
 714     TiffDecoder_GetFrame
 715 };
 716
 717 static HRESULT WINAPI TiffFrameDecode_QueryInterface(IWICBitmapFrameDecode *iface, REFIID iid,
 718     void **ppv)
 719 {
 720     TiffFrameDecode *This = impl_from_IWICBitmapFrameDecode(iface);
 721     TRACE("(%p,%s,%p)\n", iface, debugstr_guid(iid), ppv);
 722
 723     if (!ppv) return E_INVALIDARG;
 724
 725     if (IsEqualIID(&IID_IUnknown, iid) ||
 726         IsEqualIID(&IID_IWICBitmapSource, iid) ||
 727         IsEqualIID(&IID_IWICBitmapFrameDecode, iid))
 728     {
 729         *ppv = This;
 730     }
 731     else
 732     {
 733         *ppv = NULL;
 734         return E_NOINTERFACE;
 735     }
 736
 737     IUnknown_AddRef((IUnknown*)*ppv);
 738     return S_OK;
 739 }
 740
 741 static ULONG WINAPI TiffFrameDecode_AddRef(IWICBitmapFrameDecode *iface)
 742 {
 743     TiffFrameDecode *This = impl_from_IWICBitmapFrameDecode(iface);
 744     ULONG ref = InterlockedIncrement(&This->ref);
 745
 746     TRACE("(%p) refcount=%u\n", iface, ref);
 747
 748     return ref;
 749 }
 750
 751 static ULONG WINAPI TiffFrameDecode_Release(IWICBitmapFrameDecode *iface)
 752 {
 753     TiffFrameDecode *This = impl_from_IWICBitmapFrameDecode(iface);
 754     ULONG ref = InterlockedDecrement(&This->ref);
 755
 756     TRACE("(%p) refcount=%u\n", iface, ref);
 757
 758     if (ref == 0)
 759     {
 760         HeapFree(GetProcessHeap(), 0, This->cached_tile);
 761         HeapFree(GetProcessHeap(), 0, This);
 762     }
 763
 764     return ref;
 765 }
 766
 767 static HRESULT WINAPI TiffFrameDecode_GetSize(IWICBitmapFrameDecode *iface,
 768     UINT *puiWidth, UINT *puiHeight)
 769 {
 770     TiffFrameDecode *This = impl_from_IWICBitmapFrameDecode(iface);
 771
 772     *puiWidth = This->decode_info.width;
 773     *puiHeight = This->decode_info.height;
 774
 775     TRACE("(%p) <-- %ux%u\n", iface, *puiWidth, *puiHeight);
 776
 777     return S_OK;
 778 }
 779
 780 static HRESULT WINAPI TiffFrameDecode_GetPixelFormat(IWICBitmapFrameDecode *iface,
 781     WICPixelFormatGUID *pPixelFormat)
 782 {
 783     TiffFrameDecode *This = impl_from_IWICBitmapFrameDecode(iface);
 784
 785     memcpy(pPixelFormat, This->decode_info.format, sizeof(GUID));
 786
 787     TRACE("(%p) <-- %s\n", This, debugstr_guid(This->decode_info.format));
 788
 789     return S_OK;
 790 }
 791
 792 static HRESULT WINAPI TiffFrameDecode_GetResolution(IWICBitmapFrameDecode *iface,
 793     double *pDpiX, double *pDpiY)
 794 {
 795     TiffFrameDecode *This = impl_from_IWICBitmapFrameDecode(iface);
 796
 797     switch (This->decode_info.resolution_unit)
 798     {
 799     default:
 800         FIXME("unknown resolution unit %i\n", This->decode_info.resolution_unit);
 801         /* fall through */
 802     case 0: /* Not set */
 803         *pDpiX = *pDpiY = 96.0;
 804         break;
 805     case 1: /* Relative measurements */
 806         *pDpiX = 96.0;
 807         *pDpiY = 96.0 * This->decode_info.yres / This->decode_info.xres;
 808         break;
 809     case 2: /* Inch */
 810         *pDpiX = This->decode_info.xres;
 811         *pDpiY = This->decode_info.yres;
 812         break;
 813     case 3: /* Centimeter */
 814         *pDpiX = This->decode_info.xres / 2.54;
 815         *pDpiY = This->decode_info.yres / 2.54;
 816         break;
 817     }
 818
 819     TRACE("(%p) <-- %f,%f unit=%i\n", iface, *pDpiX, *pDpiY, This->decode_info.resolution_unit);
 820
 821     return S_OK;
 822 }
 823
 824 static HRESULT WINAPI TiffFrameDecode_CopyPalette(IWICBitmapFrameDecode *iface,
 825     IWICPalette *pIPalette)
 826 {
 827     TiffFrameDecode *This = impl_from_IWICBitmapFrameDecode(iface);
 828     uint16 *red, *green, *blue;
 829     WICColor colors[256];
 830     int color_count, ret, i;
 831
 832     TRACE("(%p,%p)\n", iface, pIPalette);
 833
 834     color_count = 1<<This->decode_info.bps;
 835
 836     EnterCriticalSection(&This->parent->lock);
 837     ret = pTIFFGetField(This->parent->tiff, TIFFTAG_COLORMAP, &red, &green, &blue);
 838     LeaveCriticalSection(&This->parent->lock);
 839
 840     if (!ret)
 841     {
 842         WARN("Couldn't read color map\n");
 843         return E_FAIL;
 844     }
 845
 846     for (i=0; i<color_count; i++)
 847     {
 848         colors[i] = 0xff000000 |
 849             ((red[i]<<8) & 0xff0000) |
 850             (green[i] & 0xff00) |
 851             ((blue[i]>>8) & 0xff);
 852     }
 853
 854     return IWICPalette_InitializeCustom(pIPalette, colors, color_count);
 855 }
 856
 857 static HRESULT TiffFrameDecode_ReadTile(TiffFrameDecode *This, UINT tile_x, UINT tile_y)
 858 {
 859     HRESULT hr=S_OK;
 860     tsize_t ret;
 861     int swap_bytes;
 862
 863     swap_bytes = pTIFFIsByteSwapped(This->parent->tiff);
 864
 865     ret = pTIFFSetDirectory(This->parent->tiff, This->index);
 866
 867     if (ret == -1)
 868         hr = E_FAIL;
 869
 870     if (hr == S_OK)
 871     {
 872         if (This->decode_info.tiled)
 873         {
 874             ret = pTIFFReadEncodedTile(This->parent->tiff, tile_x + tile_y * This->decode_info.tiles_across, This->cached_tile, This->decode_info.tile_size);
 875         }
 876         else
 877         {
 878             ret = pTIFFReadEncodedStrip(This->parent->tiff, tile_y, This->cached_tile, This->decode_info.tile_size);
 879         }
 880
 881         if (ret == -1)
 882             hr = E_FAIL;
 883     }
 884
 885     if (hr == S_OK && This->decode_info.reverse_bgr)
 886     {
 887         if (This->decode_info.bps == 8)
 888         {
 889             UINT sample_count = This->decode_info.samples;
 890
 891             reverse_bgr8(sample_count, This->cached_tile, This->decode_info.tile_width,
 892                 This->decode_info.tile_height, This->decode_info.tile_width * sample_count);
 893         }
 894     }
 895
 896     if (hr == S_OK && swap_bytes && This->decode_info.bps > 8)
 897     {
 898         UINT row, i, samples_per_row;
 899         BYTE *sample, temp;
 900
 901         samples_per_row = This->decode_info.tile_width * This->decode_info.samples;
 902
 903         switch(This->decode_info.bps)
 904         {
 905         case 16:
 906             for (row=0; row<This->decode_info.tile_height; row++)
 907             {
 908                 sample = This->cached_tile + row * This->decode_info.tile_stride;
 909                 for (i=0; i<samples_per_row; i++)
 910                 {
 911                     temp = sample[1];
 912                     sample[1] = sample[0];
 913                     sample[0] = temp;
 914                     sample += 2;
 915                 }
 916             }
 917             break;
 918         default:
 919             ERR("unhandled bps for byte swap %u\n", This->decode_info.bps);
 920             return E_FAIL;
 921         }
 922     }
 923
 924     if (hr == S_OK && This->decode_info.invert_grayscale)
 925     {
 926         BYTE *byte, *end;
 927
 928         if (This->decode_info.samples != 1)
 929         {
 930             ERR("cannot invert grayscale image with %u samples\n", This->decode_info.samples);
 931             return E_FAIL;
 932         }
 933
 934         end = This->cached_tile+This->decode_info.tile_size;
 935
 936         for (byte = This->cached_tile; byte != end; byte++)
 937             *byte = ~(*byte);
 938     }
 939
 940     if (hr == S_OK)
 941     {
 942         This->cached_tile_x = tile_x;
 943         This->cached_tile_y = tile_y;
 944     }
 945
 946     return hr;
 947 }
 948
 949 static HRESULT WINAPI TiffFrameDecode_CopyPixels(IWICBitmapFrameDecode *iface,
 950     const WICRect *prc, UINT cbStride, UINT cbBufferSize, BYTE *pbBuffer)
 951 {
 952     TiffFrameDecode *This = impl_from_IWICBitmapFrameDecode(iface);
 953     UINT min_tile_x, max_tile_x, min_tile_y, max_tile_y;
 954     UINT tile_x, tile_y;
 955     WICRect rc;
 956     HRESULT hr=S_OK;
 957     BYTE *dst_tilepos;
 958     UINT bytesperrow;
 959     WICRect rect;
 960
 961     TRACE("(%p,%p,%u,%u,%p)\n", iface, prc, cbStride, cbBufferSize, pbBuffer);
 962
 963     if (!prc)
 964     {
 965         rect.X = 0;
 966         rect.Y = 0;
 967         rect.Width = This->decode_info.width;
 968         rect.Height = This->decode_info.height;
 969         prc = &rect;
 970     }
 971     else
 972     {
 973         if (prc->X < 0 || prc->Y < 0 || prc->X+prc->Width > This->decode_info.width ||
 974             prc->Y+prc->Height > This->decode_info.height)
 975             return E_INVALIDARG;
 976     }
 977
 978     bytesperrow = ((This->decode_info.bpp * prc->Width)+7)/8;
 979
 980     if (cbStride < bytesperrow)
 981         return E_INVALIDARG;
 982
 983     if ((cbStride * prc->Height) > cbBufferSize)
 984         return E_INVALIDARG;
 985
 986     min_tile_x = prc->X / This->decode_info.tile_width;
 987     min_tile_y = prc->Y / This->decode_info.tile_height;
 988     max_tile_x = (prc->X+prc->Width-1) / This->decode_info.tile_width;
 989     max_tile_y = (prc->Y+prc->Height-1) / This->decode_info.tile_height;
 990
 991     EnterCriticalSection(&This->parent->lock);
 992
 993     for (tile_x=min_tile_x; tile_x <= max_tile_x; tile_x++)
 994     {
 995         for (tile_y=min_tile_y; tile_y <= max_tile_y; tile_y++)
 996         {
 997             if (tile_x != This->cached_tile_x || tile_y != This->cached_tile_y)
 998             {
 999                 hr = TiffFrameDecode_ReadTile(This, tile_x, tile_y);
1000             }
1001
1002             if (SUCCEEDED(hr))
1003             {
1004                 if (prc->X < tile_x * This->decode_info.tile_width)
1005                     rc.X = 0;
1006                 else
1007                     rc.X = prc->X - tile_x * This->decode_info.tile_width;
1008
1009                 if (prc->Y < tile_y * This->decode_info.tile_height)
1010                     rc.Y = 0;
1011                 else
1012                     rc.Y = prc->Y - tile_y * This->decode_info.tile_height;
1013
1014                 if (prc->X+prc->Width > (tile_x+1) * This->decode_info.tile_width)
1015                     rc.Width = This->decode_info.tile_width - rc.X;
1016                 else if (prc->X < tile_x * This->decode_info.tile_width)
1017                     rc.Width = prc->Width + prc->X - tile_x * This->decode_info.tile_width;
1018                 else
1019                     rc.Width = prc->Width;
1020
1021                 if (prc->Y+prc->Height > (tile_y+1) * This->decode_info.tile_height)
1022                     rc.Height = This->decode_info.tile_height - rc.Y;
1023                 else if (prc->Y < tile_y * This->decode_info.tile_height)
1024                     rc.Height = prc->Height + prc->Y - tile_y * This->decode_info.tile_height;
1025                 else
1026                     rc.Height = prc->Height;
1027
1028                 dst_tilepos = pbBuffer + (cbStride * ((rc.Y + tile_y * This->decode_info.tile_height) - prc->Y)) +
1029                     ((This->decode_info.bpp * ((rc.X + tile_x * This->decode_info.tile_width) - prc->X) + 7) / 8);
1030
1031                 hr = copy_pixels(This->decode_info.bpp, This->cached_tile,
1032                     This->decode_info.tile_width, This->decode_info.tile_height, This->decode_info.tile_stride,
1033                     &rc, cbStride, cbBufferSize, dst_tilepos);
1034             }
1035
1036             if (FAILED(hr))
1037             {
1038                 LeaveCriticalSection(&This->parent->lock);
1039                 TRACE("<-- 0x%x\n", hr);
1040                 return hr;
1041             }
1042         }
1043     }
1044
1045     LeaveCriticalSection(&This->parent->lock);
1046
1047     return S_OK;
1048 }
1049
1050 static HRESULT WINAPI TiffFrameDecode_GetMetadataQueryReader(IWICBitmapFrameDecode *iface,
1051     IWICMetadataQueryReader **ppIMetadataQueryReader)
1052 {
1053     FIXME("(%p,%p): stub\n", iface, ppIMetadataQueryReader);
1054     return E_NOTIMPL;
1055 }
1056
1057 static HRESULT WINAPI TiffFrameDecode_GetColorContexts(IWICBitmapFrameDecode *iface,
1058     UINT cCount, IWICColorContext **ppIColorContexts, UINT *pcActualCount)
1059 {
1060     FIXME("(%p,%u,%p,%p): stub\n", iface, cCount, ppIColorContexts, pcActualCount);
1061     return E_NOTIMPL;
1062 }
1063
1064 static HRESULT WINAPI TiffFrameDecode_GetThumbnail(IWICBitmapFrameDecode *iface,
1065     IWICBitmapSource **ppIThumbnail)
1066 {
1067     FIXME("(%p,%p): stub\n", iface, ppIThumbnail);
1068     return E_NOTIMPL;
1069 }
1070
1071 static const IWICBitmapFrameDecodeVtbl TiffFrameDecode_Vtbl = {
1072     TiffFrameDecode_QueryInterface,
1073     TiffFrameDecode_AddRef,
1074     TiffFrameDecode_Release,
1075     TiffFrameDecode_GetSize,
1076     TiffFrameDecode_GetPixelFormat,
1077     TiffFrameDecode_GetResolution,
1078     TiffFrameDecode_CopyPalette,
1079     TiffFrameDecode_CopyPixels,
1080     TiffFrameDecode_GetMetadataQueryReader,
1081     TiffFrameDecode_GetColorContexts,
1082     TiffFrameDecode_GetThumbnail
1083 };
1084
1085 HRESULT TiffDecoder_CreateInstance(IUnknown *pUnkOuter, REFIID iid, void** ppv)
1086 {
1087     HRESULT ret;
1088     TiffDecoder *This;
1089
1090     TRACE("(%p,%s,%p)\n", pUnkOuter, debugstr_guid(iid), ppv);
1091
1092     *ppv = NULL;
1093
1094     if (pUnkOuter) return CLASS_E_NOAGGREGATION;
1095
1096     if (!load_libtiff())
1097     {
1098         ERR("Failed reading TIFF because unable to load %s\n",SONAME_LIBTIFF);
1099         return E_FAIL;
1100     }
1101
1102     This = HeapAlloc(GetProcessHeap(), 0, sizeof(TiffDecoder));
1103     if (!This) return E_OUTOFMEMORY;
1104
1105     This->IWICBitmapDecoder_iface.lpVtbl = &TiffDecoder_Vtbl;
1106     This->ref = 1;
1107     This->stream = NULL;
1108     InitializeCriticalSection(&This->lock);
1109     This->lock.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": TiffDecoder.lock");
1110     This->tiff = NULL;
1111     This->initialized = FALSE;
1112
1113     ret = IUnknown_QueryInterface((IUnknown*)This, iid, ppv);
1114     IUnknown_Release((IUnknown*)This);
1115
1116     return ret;
1117 }
1118
1119 typedef struct TiffEncoder {
1120     IWICBitmapEncoder IWICBitmapEncoder_iface;
1121     LONG ref;
1122     IStream *stream;
1123     CRITICAL_SECTION lock; /* Must be held when tiff is used or fields below are set */
1124     TIFF *tiff;
1125     BOOL initialized;
1126     ULONG num_frames;
1127     ULONG num_frames_committed;
1128 } TiffEncoder;
1129
1130 static inline TiffEncoder *impl_from_IWICBitmapEncoder(IWICBitmapEncoder *iface)
1131 {
1132     return CONTAINING_RECORD(iface, TiffEncoder, IWICBitmapEncoder_iface);
1133 }
1134
1135 typedef struct TiffFrameEncode {
1136     IWICBitmapFrameEncode IWICBitmapFrameEncode_iface;
1137     LONG ref;
1138     TiffEncoder *parent;
1139 } TiffFrameEncode;
1140
1141 static inline TiffFrameEncode *impl_from_IWICBitmapFrameEncode(IWICBitmapFrameEncode *iface)
1142 {
1143     return CONTAINING_RECORD(iface, TiffFrameEncode, IWICBitmapFrameEncode_iface);
1144 }
1145
1146 static HRESULT WINAPI TiffFrameEncode_QueryInterface(IWICBitmapFrameEncode *iface, REFIID iid,
1147     void **ppv)
1148 {
1149     TiffFrameEncode *This = impl_from_IWICBitmapFrameEncode(iface);
1150     TRACE("(%p,%s,%p)\n", iface, debugstr_guid(iid), ppv);
1151
1152     if (!ppv) return E_INVALIDARG;
1153
1154     if (IsEqualIID(&IID_IUnknown, iid) ||
1155         IsEqualIID(&IID_IWICBitmapFrameEncode, iid))
1156     {
1157         *ppv = &This->IWICBitmapFrameEncode_iface;
1158     }
1159     else
1160     {
1161         *ppv = NULL;
1162         return E_NOINTERFACE;
1163     }
1164
1165     IUnknown_AddRef((IUnknown*)*ppv);
1166     return S_OK;
1167 }
1168
1169 static ULONG WINAPI TiffFrameEncode_AddRef(IWICBitmapFrameEncode *iface)
1170 {
1171     TiffFrameEncode *This = impl_from_IWICBitmapFrameEncode(iface);
1172     ULONG ref = InterlockedIncrement(&This->ref);
1173
1174     TRACE("(%p) refcount=%u\n", iface, ref);
1175
1176     return ref;
1177 }
1178
1179 static ULONG WINAPI TiffFrameEncode_Release(IWICBitmapFrameEncode *iface)
1180 {
1181     TiffFrameEncode *This = impl_from_IWICBitmapFrameEncode(iface);
1182     ULONG ref = InterlockedDecrement(&This->ref);
1183
1184     TRACE("(%p) refcount=%u\n", iface, ref);
1185
1186     if (ref == 0)
1187     {
1188         IWICBitmapEncoder_Release(&This->parent->IWICBitmapEncoder_iface);
1189         HeapFree(GetProcessHeap(), 0, This);
1190     }
1191
1192     return ref;
1193 }
1194
1195 static HRESULT WINAPI TiffFrameEncode_Initialize(IWICBitmapFrameEncode *iface,
1196     IPropertyBag2 *pIEncoderOptions)
1197 {
1198     FIXME("(%p,%p): stub\n", iface, pIEncoderOptions);
1199     return E_NOTIMPL;
1200 }
1201
1202 static HRESULT WINAPI TiffFrameEncode_SetSize(IWICBitmapFrameEncode *iface,
1203     UINT uiWidth, UINT uiHeight)
1204 {
1205     FIXME("(%p,%u,%u): stub\n", iface, uiWidth, uiHeight);
1206     return E_NOTIMPL;
1207 }
1208
1209 static HRESULT WINAPI TiffFrameEncode_SetResolution(IWICBitmapFrameEncode *iface,
1210     double dpiX, double dpiY)
1211 {
1212     FIXME("(%p,%0.2f,%0.2f): stub\n", iface, dpiX, dpiY);
1213     return E_NOTIMPL;
1214 }
1215
1216 static HRESULT WINAPI TiffFrameEncode_SetPixelFormat(IWICBitmapFrameEncode *iface,
1217     WICPixelFormatGUID *pPixelFormat)
1218 {
1219     FIXME("(%p,%s)\n", iface, debugstr_guid(pPixelFormat));
1220     return E_NOTIMPL;
1221 }
1222
1223 static HRESULT WINAPI TiffFrameEncode_SetColorContexts(IWICBitmapFrameEncode *iface,
1224     UINT cCount, IWICColorContext **ppIColorContext)
1225 {
1226     FIXME("(%p,%u,%p): stub\n", iface, cCount, ppIColorContext);
1227     return E_NOTIMPL;
1228 }
1229
1230 static HRESULT WINAPI TiffFrameEncode_SetPalette(IWICBitmapFrameEncode *iface,
1231     IWICPalette *pIPalette)
1232 {
1233     FIXME("(%p,%p): stub\n", iface, pIPalette);
1234     return WINCODEC_ERR_UNSUPPORTEDOPERATION;
1235 }
1236
1237 static HRESULT WINAPI TiffFrameEncode_SetThumbnail(IWICBitmapFrameEncode *iface,
1238     IWICBitmapSource *pIThumbnail)
1239 {
1240     FIXME("(%p,%p): stub\n", iface, pIThumbnail);
1241     return WINCODEC_ERR_UNSUPPORTEDOPERATION;
1242 }
1243
1244 static HRESULT WINAPI TiffFrameEncode_WritePixels(IWICBitmapFrameEncode *iface,
1245     UINT lineCount, UINT cbStride, UINT cbBufferSize, BYTE *pbPixels)
1246 {
1247     FIXME("(%p,%u,%u,%u,%p): stub\n", iface, lineCount, cbStride, cbBufferSize, pbPixels);
1248     return E_NOTIMPL;
1249 }
1250
1251 static HRESULT WINAPI TiffFrameEncode_WriteSource(IWICBitmapFrameEncode *iface,
1252     IWICBitmapSource *pIBitmapSource, WICRect *prc)
1253 {
1254     FIXME("(%p,%p,%p): stub\n", iface, pIBitmapSource, prc);
1255     return E_NOTIMPL;
1256 }
1257
1258 static HRESULT WINAPI TiffFrameEncode_Commit(IWICBitmapFrameEncode *iface)
1259 {
1260     FIXME("(%p): stub\n", iface);
1261     return E_NOTIMPL;
1262 }
1263
1264 static HRESULT WINAPI TiffFrameEncode_GetMetadataQueryWriter(IWICBitmapFrameEncode *iface,
1265     IWICMetadataQueryWriter **ppIMetadataQueryWriter)
1266 {
1267     FIXME("(%p, %p): stub\n", iface, ppIMetadataQueryWriter);
1268     return E_NOTIMPL;
1269 }
1270
1271 static const IWICBitmapFrameEncodeVtbl TiffFrameEncode_Vtbl = {
1272     TiffFrameEncode_QueryInterface,
1273     TiffFrameEncode_AddRef,
1274     TiffFrameEncode_Release,
1275     TiffFrameEncode_Initialize,
1276     TiffFrameEncode_SetSize,
1277     TiffFrameEncode_SetResolution,
1278     TiffFrameEncode_SetPixelFormat,
1279     TiffFrameEncode_SetColorContexts,
1280     TiffFrameEncode_SetPalette,
1281     TiffFrameEncode_SetThumbnail,
1282     TiffFrameEncode_WritePixels,
1283     TiffFrameEncode_WriteSource,
1284     TiffFrameEncode_Commit,
1285     TiffFrameEncode_GetMetadataQueryWriter
1286 };
1287
1288 static HRESULT WINAPI TiffEncoder_QueryInterface(IWICBitmapEncoder *iface, REFIID iid,
1289     void **ppv)
1290 {
1291     TiffEncoder *This = impl_from_IWICBitmapEncoder(iface);
1292     TRACE("(%p,%s,%p)\n", iface, debugstr_guid(iid), ppv);
1293
1294     if (!ppv) return E_INVALIDARG;
1295
1296     if (IsEqualIID(&IID_IUnknown, iid) ||
1297         IsEqualIID(&IID_IWICBitmapEncoder, iid))
1298     {
1299         *ppv = This;
1300     }
1301     else
1302     {
1303         *ppv = NULL;
1304         return E_NOINTERFACE;
1305     }
1306
1307     IUnknown_AddRef((IUnknown*)*ppv);
1308     return S_OK;
1309 }
1310
1311 static ULONG WINAPI TiffEncoder_AddRef(IWICBitmapEncoder *iface)
1312 {
1313     TiffEncoder *This = impl_from_IWICBitmapEncoder(iface);
1314     ULONG ref = InterlockedIncrement(&This->ref);
1315
1316     TRACE("(%p) refcount=%u\n", iface, ref);
1317
1318     return ref;
1319 }
1320
1321 static ULONG WINAPI TiffEncoder_Release(IWICBitmapEncoder *iface)
1322 {
1323     TiffEncoder *This = impl_from_IWICBitmapEncoder(iface);
1324     ULONG ref = InterlockedDecrement(&This->ref);
1325
1326     TRACE("(%p) refcount=%u\n", iface, ref);
1327
1328     if (ref == 0)
1329     {
1330         if (This->tiff) pTIFFClose(This->tiff);
1331         if (This->stream) IStream_Release(This->stream);
1332         This->lock.DebugInfo->Spare[0] = 0;
1333         DeleteCriticalSection(&This->lock);
1334         HeapFree(GetProcessHeap(), 0, This);
1335     }
1336
1337     return ref;
1338 }
1339
1340 static HRESULT WINAPI TiffEncoder_Initialize(IWICBitmapEncoder *iface,
1341     IStream *pIStream, WICBitmapEncoderCacheOption cacheOption)
1342 {
1343     TiffEncoder *This = impl_from_IWICBitmapEncoder(iface);
1344     TIFF *tiff;
1345     HRESULT hr=S_OK;
1346
1347     TRACE("(%p,%p,%u)\n", iface, pIStream, cacheOption);
1348
1349     EnterCriticalSection(&This->lock);
1350
1351     if (This->initialized)
1352     {
1353         hr = WINCODEC_ERR_WRONGSTATE;
1354         goto exit;
1355     }
1356
1357     tiff = tiff_open_stream(pIStream, "w");
1358
1359     if (!tiff)
1360     {
1361         hr = E_FAIL;
1362         goto exit;
1363     }
1364
1365     This->tiff = tiff;
1366     This->stream = pIStream;
1367     IStream_AddRef(pIStream);
1368     This->initialized = TRUE;
1369
1370 exit:
1371     LeaveCriticalSection(&This->lock);
1372     return hr;
1373 }
1374
1375 static HRESULT WINAPI TiffEncoder_GetContainerFormat(IWICBitmapEncoder *iface,
1376     GUID *pguidContainerFormat)
1377 {
1378     FIXME("(%p,%s): stub\n", iface, debugstr_guid(pguidContainerFormat));
1379     return E_NOTIMPL;
1380 }
1381
1382 static HRESULT WINAPI TiffEncoder_GetEncoderInfo(IWICBitmapEncoder *iface,
1383     IWICBitmapEncoderInfo **ppIEncoderInfo)
1384 {
1385     FIXME("(%p,%p): stub\n", iface, ppIEncoderInfo);
1386     return E_NOTIMPL;
1387 }
1388
1389 static HRESULT WINAPI TiffEncoder_SetColorContexts(IWICBitmapEncoder *iface,
1390     UINT cCount, IWICColorContext **ppIColorContext)
1391 {
1392     FIXME("(%p,%u,%p): stub\n", iface, cCount, ppIColorContext);
1393     return E_NOTIMPL;
1394 }
1395
1396 static HRESULT WINAPI TiffEncoder_SetPalette(IWICBitmapEncoder *iface, IWICPalette *pIPalette)
1397 {
1398     TRACE("(%p,%p)\n", iface, pIPalette);
1399     return WINCODEC_ERR_UNSUPPORTEDOPERATION;
1400 }
1401
1402 static HRESULT WINAPI TiffEncoder_SetThumbnail(IWICBitmapEncoder *iface, IWICBitmapSource *pIThumbnail)
1403 {
1404     TRACE("(%p,%p)\n", iface, pIThumbnail);
1405     return WINCODEC_ERR_UNSUPPORTEDOPERATION;
1406 }
1407
1408 static HRESULT WINAPI TiffEncoder_SetPreview(IWICBitmapEncoder *iface, IWICBitmapSource *pIPreview)
1409 {
1410     TRACE("(%p,%p)\n", iface, pIPreview);
1411     return WINCODEC_ERR_UNSUPPORTEDOPERATION;
1412 }
1413
1414 static HRESULT WINAPI TiffEncoder_CreateNewFrame(IWICBitmapEncoder *iface,
1415     IWICBitmapFrameEncode **ppIFrameEncode, IPropertyBag2 **ppIEncoderOptions)
1416 {
1417     TiffEncoder *This = impl_from_IWICBitmapEncoder(iface);
1418     TiffFrameEncode *result;
1419
1420     HRESULT hr=S_OK;
1421
1422     TRACE("(%p,%p,%p)\n", iface, ppIFrameEncode, ppIEncoderOptions);
1423
1424     EnterCriticalSection(&This->lock);
1425
1426     if (This->num_frames != This->num_frames_committed)
1427     {
1428         FIXME("New frame created before previous frame was committed\n");
1429         hr = E_FAIL;
1430     }
1431
1432     if (SUCCEEDED(hr))
1433     {
1434         hr = CreatePropertyBag2(ppIEncoderOptions);
1435     }
1436
1437     if (SUCCEEDED(hr))
1438     {
1439         result = HeapAlloc(GetProcessHeap(), 0, sizeof(*result));
1440
1441         if (result)
1442         {
1443             result->IWICBitmapFrameEncode_iface.lpVtbl = &TiffFrameEncode_Vtbl;
1444             result->ref = 1;
1445             result->parent = This;
1446
1447             IWICBitmapEncoder_AddRef(iface);
1448             *ppIFrameEncode = &result->IWICBitmapFrameEncode_iface;
1449
1450             if (This->num_frames != 0)
1451                 pTIFFWriteDirectory(This->tiff);
1452
1453             This->num_frames++;
1454         }
1455         else
1456             hr = E_OUTOFMEMORY;
1457
1458         if (FAILED(hr))
1459         {
1460             IPropertyBag2_Release(*ppIEncoderOptions);
1461             *ppIEncoderOptions = NULL;
1462         }
1463     }
1464
1465     LeaveCriticalSection(&This->lock);
1466
1467     return hr;
1468 }
1469
1470 static HRESULT WINAPI TiffEncoder_Commit(IWICBitmapEncoder *iface)
1471 {
1472     FIXME("(%p): stub\n", iface);
1473     return E_NOTIMPL;
1474 }
1475
1476 static HRESULT WINAPI TiffEncoder_GetMetadataQueryWriter(IWICBitmapEncoder *iface,
1477     IWICMetadataQueryWriter **ppIMetadataQueryWriter)
1478 {
1479     FIXME("(%p,%p): stub\n", iface, ppIMetadataQueryWriter);
1480     return E_NOTIMPL;
1481 }
1482
1483 static const IWICBitmapEncoderVtbl TiffEncoder_Vtbl = {
1484     TiffEncoder_QueryInterface,
1485     TiffEncoder_AddRef,
1486     TiffEncoder_Release,
1487     TiffEncoder_Initialize,
1488     TiffEncoder_GetContainerFormat,
1489     TiffEncoder_GetEncoderInfo,
1490     TiffEncoder_SetColorContexts,
1491     TiffEncoder_SetPalette,
1492     TiffEncoder_SetThumbnail,
1493     TiffEncoder_SetPreview,
1494     TiffEncoder_CreateNewFrame,
1495     TiffEncoder_Commit,
1496     TiffEncoder_GetMetadataQueryWriter
1497 };
1498
1499 HRESULT TiffEncoder_CreateInstance(IUnknown *pUnkOuter, REFIID iid, void** ppv)
1500 {
1501     TiffEncoder *This;
1502     HRESULT ret;
1503
1504     TRACE("(%p,%s,%p)\n", pUnkOuter, debugstr_guid(iid), ppv);
1505
1506     *ppv = NULL;
1507
1508     if (pUnkOuter) return CLASS_E_NOAGGREGATION;
1509
1510     if (!load_libtiff())
1511     {
1512         ERR("Failed writing TIFF because unable to load %s\n",SONAME_LIBTIFF);
1513         return E_FAIL;
1514     }
1515
1516     This = HeapAlloc(GetProcessHeap(), 0, sizeof(TiffEncoder));
1517     if (!This) return E_OUTOFMEMORY;
1518
1519     This->IWICBitmapEncoder_iface.lpVtbl = &TiffEncoder_Vtbl;
1520     This->ref = 1;
1521     This->stream = NULL;
1522     InitializeCriticalSection(&This->lock);
1523     This->lock.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": TiffEncoder.lock");
1524     This->tiff = NULL;
1525     This->initialized = FALSE;
1526     This->num_frames = 0;
1527     This->num_frames_committed = 0;
1528
1529     ret = IUnknown_QueryInterface((IUnknown*)This, iid, ppv);
1530     IUnknown_Release((IUnknown*)This);
1531
1532     return ret;
1533 }
1534
1535 #else /* !SONAME_LIBTIFF */
1536
1537 HRESULT TiffDecoder_CreateInstance(IUnknown *pUnkOuter, REFIID iid, void** ppv)
1538 {
1539     ERR("Trying to load TIFF picture, but Wine was compiled without TIFF support.\n");
1540     return E_FAIL;
1541 }
1542
1543 HRESULT TiffEncoder_CreateInstance(IUnknown *pUnkOuter, REFIID iid, void** ppv)
1544 {
1545     ERR("Trying to save TIFF picture, but Wine was compiled without TIFF support.\n");
1546     return E_FAIL;
1547 }
1548
1549 #endif