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
  36 #include "wincodecs_private.h"
  37
  38 #include "wine/debug.h"
  39 #include "wine/library.h"
  40
  41 WINE_DEFAULT_DEBUG_CHANNEL(wincodecs);
  42
  43 #ifdef SONAME_LIBTIFF
  44
  45 /* Workaround for broken libtiff 4.x headers on some 64-bit hosts which
  46  * define TIFF_UINT64_T/toff_t as 32-bit for 32-bit builds, while they
  47  * are supposed to be always 64-bit.
  48  * TIFF_UINT64_T doesn't exist in libtiff 3.x, it was introduced in 4.x.
  49  */
  50 #ifdef TIFF_UINT64_T
  51 # undef toff_t
  52 # define toff_t UINT64
  53 #endif
  54
  55 static CRITICAL_SECTION init_tiff_cs;
  56 static CRITICAL_SECTION_DEBUG init_tiff_cs_debug =
  57 {
  58     0, 0, &init_tiff_cs,
  59     { &init_tiff_cs_debug.ProcessLocksList,
  60       &init_tiff_cs_debug.ProcessLocksList },
  61     0, 0, { (DWORD_PTR)(__FILE__ ": init_tiff_cs") }
  62 };
  63 static CRITICAL_SECTION init_tiff_cs = { &init_tiff_cs_debug, -1, 0, 0, 0, 0 };
  64
  65 static const WCHAR wszTiffCompressionMethod[] = {'T','i','f','f','C','o','m','p','r','e','s','s','i','o','n','M','e','t','h','o','d',0};
  66 static const WCHAR wszCompressionQuality[] = {'C','o','m','p','r','e','s','s','i','o','n','Q','u','a','l','i','t','y',0};
  67
  68 static void *libtiff_handle;
  69 #define MAKE_FUNCPTR(f) static typeof(f) * p##f
  70 MAKE_FUNCPTR(TIFFClientOpen);
  71 MAKE_FUNCPTR(TIFFClose);
  72 MAKE_FUNCPTR(TIFFCurrentDirOffset);
  73 MAKE_FUNCPTR(TIFFGetField);
  74 MAKE_FUNCPTR(TIFFIsByteSwapped);
  75 MAKE_FUNCPTR(TIFFNumberOfDirectories);
  76 MAKE_FUNCPTR(TIFFReadDirectory);
  77 MAKE_FUNCPTR(TIFFReadEncodedStrip);
  78 MAKE_FUNCPTR(TIFFReadEncodedTile);
  79 MAKE_FUNCPTR(TIFFSetDirectory);
  80 MAKE_FUNCPTR(TIFFSetField);
  81 MAKE_FUNCPTR(TIFFWriteDirectory);
  82 MAKE_FUNCPTR(TIFFWriteScanline);
  83 #undef MAKE_FUNCPTR
  84
  85 static void *load_libtiff(void)
  86 {
  87     void *result;
  88
  89     EnterCriticalSection(&init_tiff_cs);
  90
  91     if (!libtiff_handle &&
  92         (libtiff_handle = wine_dlopen(SONAME_LIBTIFF, RTLD_NOW, NULL, 0)) != NULL)
  93     {
  94         void * (*pTIFFSetWarningHandler)(void *);
  95         void * (*pTIFFSetWarningHandlerExt)(void *);
  96
  97 #define LOAD_FUNCPTR(f) \
  98     if((p##f = wine_dlsym(libtiff_handle, #f, NULL, 0)) == NULL) { \
  99         ERR("failed to load symbol %s\n", #f); \
 100         libtiff_handle = NULL; \
 101         LeaveCriticalSection(&init_tiff_cs); \
 102         return NULL; \
 103     }
 104         LOAD_FUNCPTR(TIFFClientOpen);
 105         LOAD_FUNCPTR(TIFFClose);
 106         LOAD_FUNCPTR(TIFFCurrentDirOffset);
 107         LOAD_FUNCPTR(TIFFGetField);
 108         LOAD_FUNCPTR(TIFFIsByteSwapped);
 109         LOAD_FUNCPTR(TIFFNumberOfDirectories);
 110         LOAD_FUNCPTR(TIFFReadDirectory);
 111         LOAD_FUNCPTR(TIFFReadEncodedStrip);
 112         LOAD_FUNCPTR(TIFFReadEncodedTile);
 113         LOAD_FUNCPTR(TIFFSetDirectory);
 114         LOAD_FUNCPTR(TIFFSetField);
 115         LOAD_FUNCPTR(TIFFWriteDirectory);
 116         LOAD_FUNCPTR(TIFFWriteScanline);
 117 #undef LOAD_FUNCPTR
 118
 119         if ((pTIFFSetWarningHandler = wine_dlsym(libtiff_handle, "TIFFSetWarningHandler", NULL, 0)))
 120             pTIFFSetWarningHandler(NULL);
 121         if ((pTIFFSetWarningHandlerExt = wine_dlsym(libtiff_handle, "TIFFSetWarningHandlerExt", NULL, 0)))
 122             pTIFFSetWarningHandlerExt(NULL);
 123     }
 124
 125     result = libtiff_handle;
 126
 127     LeaveCriticalSection(&init_tiff_cs);
 128     return result;
 129 }
 130
 131 static tsize_t tiff_stream_read(thandle_t client_data, tdata_t data, tsize_t size)
 132 {
 133     IStream *stream = (IStream*)client_data;
 134     ULONG bytes_read;
 135     HRESULT hr;
 136
 137     hr = IStream_Read(stream, data, size, &bytes_read);
 138     if (FAILED(hr)) bytes_read = 0;
 139     return bytes_read;
 140 }
 141
 142 static tsize_t tiff_stream_write(thandle_t client_data, tdata_t data, tsize_t size)
 143 {
 144     IStream *stream = (IStream*)client_data;
 145     ULONG bytes_written;
 146     HRESULT hr;
 147
 148     hr = IStream_Write(stream, data, size, &bytes_written);
 149     if (FAILED(hr)) bytes_written = 0;
 150     return bytes_written;
 151 }
 152
 153 static toff_t tiff_stream_seek(thandle_t client_data, toff_t offset, int whence)
 154 {
 155     IStream *stream = (IStream*)client_data;
 156     LARGE_INTEGER move;
 157     DWORD origin;
 158     ULARGE_INTEGER new_position;
 159     HRESULT hr;
 160
 161     move.QuadPart = offset;
 162     switch (whence)
 163     {
 164         case SEEK_SET:
 165             origin = STREAM_SEEK_SET;
 166             break;
 167         case SEEK_CUR:
 168             origin = STREAM_SEEK_CUR;
 169             break;
 170         case SEEK_END:
 171             origin = STREAM_SEEK_END;
 172             break;
 173         default:
 174             ERR("unknown whence value %i\n", whence);
 175             return -1;
 176     }
 177
 178     hr = IStream_Seek(stream, move, origin, &new_position);
 179     if (SUCCEEDED(hr)) return new_position.QuadPart;
 180     else return -1;
 181 }
 182
 183 static int tiff_stream_close(thandle_t client_data)
 184 {
 185     /* Caller is responsible for releasing the stream object. */
 186     return 0;
 187 }
 188
 189 static toff_t tiff_stream_size(thandle_t client_data)
 190 {
 191     IStream *stream = (IStream*)client_data;
 192     STATSTG statstg;
 193     HRESULT hr;
 194
 195     hr = IStream_Stat(stream, &statstg, STATFLAG_NONAME);
 196
 197     if (SUCCEEDED(hr)) return statstg.cbSize.QuadPart;
 198     else return -1;
 199 }
 200
 201 static int tiff_stream_map(thandle_t client_data, tdata_t *addr, toff_t *size)
 202 {
 203     /* Cannot mmap streams */
 204     return 0;
 205 }
 206
 207 static void tiff_stream_unmap(thandle_t client_data, tdata_t addr, toff_t size)
 208 {
 209     /* No need to ever do this, since we can't map things. */
 210 }
 211
 212 static TIFF* tiff_open_stream(IStream *stream, const char *mode)
 213 {
 214     LARGE_INTEGER zero;
 215
 216     zero.QuadPart = 0;
 217     IStream_Seek(stream, zero, STREAM_SEEK_SET, NULL);
 218
 219     return pTIFFClientOpen("<IStream object>", mode, stream, tiff_stream_read,
 220         tiff_stream_write, (void *)tiff_stream_seek, tiff_stream_close,
 221         (void *)tiff_stream_size, (void *)tiff_stream_map, (void *)tiff_stream_unmap);
 222 }
 223
 224 typedef struct {
 225     IWICBitmapDecoder IWICBitmapDecoder_iface;
 226     LONG ref;
 227     IStream *stream;
 228     CRITICAL_SECTION lock; /* Must be held when tiff is used or initialized is set */
 229     TIFF *tiff;
 230     BOOL initialized;
 231 } TiffDecoder;
 232
 233 typedef struct {
 234     const WICPixelFormatGUID *format;
 235     int bps;
 236     int samples;
 237     int bpp, source_bpp;
 238     int planar;
 239     int indexed;
 240     int reverse_bgr;
 241     int invert_grayscale;
 242     UINT width, height;
 243     UINT tile_width, tile_height;
 244     UINT tile_stride;
 245     UINT tile_size;
 246     int tiled;
 247     UINT tiles_across;
 248     UINT resolution_unit;
 249     float xres, yres;
 250 } tiff_decode_info;
 251
 252 typedef struct {
 253     IWICBitmapFrameDecode IWICBitmapFrameDecode_iface;
 254     IWICMetadataBlockReader IWICMetadataBlockReader_iface;
 255     LONG ref;
 256     TiffDecoder *parent;
 257     UINT index;
 258     tiff_decode_info decode_info;
 259     INT cached_tile_x, cached_tile_y;
 260     BYTE *cached_tile;
 261 } TiffFrameDecode;
 262
 263 static const IWICBitmapFrameDecodeVtbl TiffFrameDecode_Vtbl;
 264 static const IWICMetadataBlockReaderVtbl TiffFrameDecode_BlockVtbl;
 265
 266 static inline TiffDecoder *impl_from_IWICBitmapDecoder(IWICBitmapDecoder *iface)
 267 {
 268     return CONTAINING_RECORD(iface, TiffDecoder, IWICBitmapDecoder_iface);
 269 }
 270
 271 static inline TiffFrameDecode *impl_from_IWICBitmapFrameDecode(IWICBitmapFrameDecode *iface)
 272 {
 273     return CONTAINING_RECORD(iface, TiffFrameDecode, IWICBitmapFrameDecode_iface);
 274 }
 275
 276 static inline TiffFrameDecode *impl_from_IWICMetadataBlockReader(IWICMetadataBlockReader *iface)
 277 {
 278     return CONTAINING_RECORD(iface, TiffFrameDecode, IWICMetadataBlockReader_iface);
 279 }
 280
 281 static HRESULT tiff_get_decode_info(TIFF *tiff, tiff_decode_info *decode_info)
 282 {
 283     uint16 photometric, bps, samples, planar;
 284     uint16 extra_sample_count, extra_sample, *extra_samples;
 285     int ret;
 286
 287     decode_info->indexed = 0;
 288     decode_info->reverse_bgr = 0;
 289     decode_info->invert_grayscale = 0;
 290     decode_info->tiled = 0;
 291
 292     ret = pTIFFGetField(tiff, TIFFTAG_PHOTOMETRIC, &photometric);
 293     if (!ret)
 294     {
 295         WARN("missing PhotometricInterpretation tag\n");
 296         return E_FAIL;
 297     }
 298
 299     ret = pTIFFGetField(tiff, TIFFTAG_BITSPERSAMPLE, &bps);
 300     if (!ret) bps = 1;
 301     decode_info->bps = bps;
 302
 303     ret = pTIFFGetField(tiff, TIFFTAG_SAMPLESPERPIXEL, &samples);
 304     if (!ret) samples = 1;
 305     decode_info->samples = samples;
 306
 307     if (samples == 1)
 308         planar = 1;
 309     else
 310     {
 311         ret = pTIFFGetField(tiff, TIFFTAG_PLANARCONFIG, &planar);
 312         if (!ret) planar = 1;
 313         if (planar != 1)
 314         {
 315             FIXME("unhandled planar configuration %u\n", planar);
 316             return E_FAIL;
 317         }
 318     }
 319     decode_info->planar = planar;
 320
 321     switch(photometric)
 322     {
 323     case 0: /* WhiteIsZero */
 324         decode_info->invert_grayscale = 1;
 325         /* fall through */
 326     case 1: /* BlackIsZero */
 327         if (samples == 2)
 328         {
 329             ret = pTIFFGetField(tiff, TIFFTAG_EXTRASAMPLES, &extra_sample_count, &extra_samples);
 330             if (!ret)
 331             {
 332                 extra_sample_count = 1;
 333                 extra_sample = 0;
 334                 extra_samples = &extra_sample;
 335             }
 336         }
 337         else if (samples != 1)
 338         {
 339             FIXME("unhandled %dbpp sample count %u\n", bps, samples);
 340             return E_FAIL;
 341         }
 342
 343         decode_info->bpp = bps * samples;
 344         decode_info->source_bpp = decode_info->bpp;
 345         switch (bps)
 346         {
 347         case 1:
 348             if (samples != 1)
 349             {
 350                 FIXME("unhandled 1bpp sample count %u\n", samples);
 351                 return E_FAIL;
 352             }
 353             decode_info->format = &GUID_WICPixelFormatBlackWhite;
 354             break;
 355         case 4:
 356             if (samples != 1)
 357             {
 358                 FIXME("unhandled 4bpp grayscale sample count %u\n", samples);
 359                 return E_FAIL;
 360             }
 361             decode_info->format = &GUID_WICPixelFormat4bppGray;
 362             break;
 363         case 8:
 364             if (samples == 1)
 365                 decode_info->format = &GUID_WICPixelFormat8bppGray;
 366             else
 367             {
 368                 decode_info->bpp = 32;
 369
 370                 switch(extra_samples[0])
 371                 {
 372                 case 1: /* Associated (pre-multiplied) alpha data */
 373                     decode_info->format = &GUID_WICPixelFormat32bppPBGRA;
 374                     break;
 375                 case 0: /* Unspecified data */
 376                 case 2: /* Unassociated alpha data */
 377                     decode_info->format = &GUID_WICPixelFormat32bppBGRA;
 378                     break;
 379                 default:
 380                     FIXME("unhandled extra sample type %u\n", extra_samples[0]);
 381                     return E_FAIL;
 382                 }
 383             }
 384             break;
 385         default:
 386             FIXME("unhandled greyscale bit count %u\n", bps);
 387             return E_FAIL;
 388         }
 389         break;
 390     case 2: /* RGB */
 391         decode_info->bpp = bps * samples;
 392
 393         if (samples == 4)
 394         {
 395             ret = pTIFFGetField(tiff, TIFFTAG_EXTRASAMPLES, &extra_sample_count, &extra_samples);
 396             if (!ret)
 397             {
 398                 extra_sample_count = 1;
 399                 extra_sample = 0;
 400                 extra_samples = &extra_sample;
 401             }
 402         }
 403         else if (samples != 3)
 404         {
 405             FIXME("unhandled RGB sample count %u\n", samples);
 406             return E_FAIL;
 407         }
 408
 409         switch(bps)
 410         {
 411         case 8:
 412             decode_info->reverse_bgr = 1;
 413             if (samples == 3)
 414                 decode_info->format = &GUID_WICPixelFormat24bppBGR;
 415             else
 416                 switch(extra_samples[0])
 417                 {
 418                 case 1: /* Associated (pre-multiplied) alpha data */
 419                     decode_info->format = &GUID_WICPixelFormat32bppPBGRA;
 420                     break;
 421                 case 0: /* Unspecified data */
 422                 case 2: /* Unassociated alpha data */
 423                     decode_info->format = &GUID_WICPixelFormat32bppBGRA;
 424                     break;
 425                 default:
 426                     FIXME("unhandled extra sample type %i\n", extra_samples[0]);
 427                     return E_FAIL;
 428                 }
 429             break;
 430         case 16:
 431             if (samples == 3)
 432                 decode_info->format = &GUID_WICPixelFormat48bppRGB;
 433             else
 434                 switch(extra_samples[0])
 435                 {
 436                 case 1: /* Associated (pre-multiplied) alpha data */
 437                     decode_info->format = &GUID_WICPixelFormat64bppPRGBA;
 438                     break;
 439                 case 0: /* Unspecified data */
 440                 case 2: /* Unassociated alpha data */
 441                     decode_info->format = &GUID_WICPixelFormat64bppRGBA;
 442                     break;
 443                 default:
 444                     FIXME("unhandled extra sample type %i\n", extra_samples[0]);
 445                     return E_FAIL;
 446                 }
 447             break;
 448         default:
 449             FIXME("unhandled RGB bit count %u\n", bps);
 450             return E_FAIL;
 451         }
 452         break;
 453     case 3: /* RGB Palette */
 454         if (samples != 1)
 455         {
 456             FIXME("unhandled indexed sample count %u\n", samples);
 457             return E_FAIL;
 458         }
 459
 460         decode_info->indexed = 1;
 461         decode_info->bpp = bps;
 462         switch (bps)
 463         {
 464         case 4:
 465             decode_info->format = &GUID_WICPixelFormat4bppIndexed;
 466             break;
 467         case 8:
 468             decode_info->format = &GUID_WICPixelFormat8bppIndexed;
 469             break;
 470         default:
 471             FIXME("unhandled indexed bit count %u\n", bps);
 472             return E_FAIL;
 473         }
 474         break;
 475     case 4: /* Transparency mask */
 476     case 5: /* CMYK */
 477     case 6: /* YCbCr */
 478     case 8: /* CIELab */
 479     default:
 480         FIXME("unhandled PhotometricInterpretation %u\n", photometric);
 481         return E_FAIL;
 482     }
 483
 484     ret = pTIFFGetField(tiff, TIFFTAG_IMAGEWIDTH, &decode_info->width);
 485     if (!ret)
 486     {
 487         WARN("missing image width\n");
 488         return E_FAIL;
 489     }
 490
 491     ret = pTIFFGetField(tiff, TIFFTAG_IMAGELENGTH, &decode_info->height);
 492     if (!ret)
 493     {
 494         WARN("missing image length\n");
 495         return E_FAIL;
 496     }
 497
 498     if ((ret = pTIFFGetField(tiff, TIFFTAG_TILEWIDTH, &decode_info->tile_width)))
 499     {
 500         decode_info->tiled = 1;
 501
 502         ret = pTIFFGetField(tiff, TIFFTAG_TILELENGTH, &decode_info->tile_height);
 503         if (!ret)
 504         {
 505             WARN("missing tile height\n");
 506             return E_FAIL;
 507         }
 508
 509         decode_info->tile_stride = ((decode_info->bpp * decode_info->tile_width + 7)/8);
 510         decode_info->tile_size = decode_info->tile_height * decode_info->tile_stride;
 511         decode_info->tiles_across = (decode_info->width + decode_info->tile_width - 1) / decode_info->tile_width;
 512     }
 513     else if ((ret = pTIFFGetField(tiff, TIFFTAG_ROWSPERSTRIP, &decode_info->tile_height)))
 514     {
 515         if (decode_info->tile_height > decode_info->height)
 516             decode_info->tile_height = decode_info->height;
 517         decode_info->tile_width = decode_info->width;
 518         decode_info->tile_stride = ((decode_info->bpp * decode_info->tile_width + 7)/8);
 519         decode_info->tile_size = decode_info->tile_height * decode_info->tile_stride;
 520     }
 521     else
 522     {
 523         /* Some broken TIFF files have a single strip and lack the RowsPerStrip tag */
 524         decode_info->tile_height = decode_info->height;
 525         decode_info->tile_width = decode_info->width;
 526         decode_info->tile_stride = ((decode_info->bpp * decode_info->tile_width + 7)/8);
 527         decode_info->tile_size = decode_info->tile_height * decode_info->tile_stride;
 528     }
 529
 530     decode_info->resolution_unit = 0;
 531     pTIFFGetField(tiff, TIFFTAG_RESOLUTIONUNIT, &decode_info->resolution_unit);
 532
 533     ret = pTIFFGetField(tiff, TIFFTAG_XRESOLUTION, &decode_info->xres);
 534     if (!ret)
 535     {
 536         WARN("missing X resolution\n");
 537     }
 538     /* Emulate the behavior of current libtiff versions (libtiff commit a39f6131)
 539      * yielding 0 instead of INFINITY for IFD_RATIONAL fields with denominator 0. */
 540     if (!isfinite(decode_info->xres))
 541     {
 542         decode_info->xres = 0.0;
 543     }
 544
 545     ret = pTIFFGetField(tiff, TIFFTAG_YRESOLUTION, &decode_info->yres);
 546     if (!ret)
 547     {
 548         WARN("missing Y resolution\n");
 549     }
 550     if (!isfinite(decode_info->yres))
 551     {
 552         decode_info->yres = 0.0;
 553     }
 554
 555     return S_OK;
 556 }
 557
 558 static HRESULT WINAPI TiffDecoder_QueryInterface(IWICBitmapDecoder *iface, REFIID iid,
 559     void **ppv)
 560 {
 561     TiffDecoder *This = impl_from_IWICBitmapDecoder(iface);
 562     TRACE("(%p,%s,%p)\n", iface, debugstr_guid(iid), ppv);
 563
 564     if (!ppv) return E_INVALIDARG;
 565
 566     if (IsEqualIID(&IID_IUnknown, iid) ||
 567         IsEqualIID(&IID_IWICBitmapDecoder, iid))
 568     {
 569         *ppv = &This->IWICBitmapDecoder_iface;
 570     }
 571     else
 572     {
 573         *ppv = NULL;
 574         return E_NOINTERFACE;
 575     }
 576
 577     IUnknown_AddRef((IUnknown*)*ppv);
 578     return S_OK;
 579 }
 580
 581 static ULONG WINAPI TiffDecoder_AddRef(IWICBitmapDecoder *iface)
 582 {
 583     TiffDecoder *This = impl_from_IWICBitmapDecoder(iface);
 584     ULONG ref = InterlockedIncrement(&This->ref);
 585
 586     TRACE("(%p) refcount=%u\n", iface, ref);
 587
 588     return ref;
 589 }
 590
 591 static ULONG WINAPI TiffDecoder_Release(IWICBitmapDecoder *iface)
 592 {
 593     TiffDecoder *This = impl_from_IWICBitmapDecoder(iface);
 594     ULONG ref = InterlockedDecrement(&This->ref);
 595
 596     TRACE("(%p) refcount=%u\n", iface, ref);
 597
 598     if (ref == 0)
 599     {
 600         if (This->tiff) pTIFFClose(This->tiff);
 601         if (This->stream) IStream_Release(This->stream);
 602         This->lock.DebugInfo->Spare[0] = 0;
 603         DeleteCriticalSection(&This->lock);
 604         HeapFree(GetProcessHeap(), 0, This);
 605     }
 606
 607     return ref;
 608 }
 609
 610 static HRESULT WINAPI TiffDecoder_QueryCapability(IWICBitmapDecoder *iface, IStream *stream,
 611     DWORD *capability)
 612 {
 613     HRESULT hr;
 614
 615     TRACE("(%p,%p,%p)\n", iface, stream, capability);
 616
 617     if (!stream || !capability) return E_INVALIDARG;
 618
 619     hr = IWICBitmapDecoder_Initialize(iface, stream, WICDecodeMetadataCacheOnDemand);
 620     if (hr != S_OK) return hr;
 621
 622     *capability = WICBitmapDecoderCapabilityCanDecodeAllImages |
 623                   WICBitmapDecoderCapabilityCanDecodeSomeImages |
 624                   WICBitmapDecoderCapabilityCanEnumerateMetadata;
 625     return S_OK;
 626 }
 627
 628 static HRESULT WINAPI TiffDecoder_Initialize(IWICBitmapDecoder *iface, IStream *pIStream,
 629     WICDecodeOptions cacheOptions)
 630 {
 631     TiffDecoder *This = impl_from_IWICBitmapDecoder(iface);
 632     TIFF *tiff;
 633     HRESULT hr=S_OK;
 634
 635     TRACE("(%p,%p,%x)\n", iface, pIStream, cacheOptions);
 636
 637     EnterCriticalSection(&This->lock);
 638
 639     if (This->initialized)
 640     {
 641         hr = WINCODEC_ERR_WRONGSTATE;
 642         goto exit;
 643     }
 644
 645     tiff = tiff_open_stream(pIStream, "r");
 646
 647     if (!tiff)
 648     {
 649         hr = E_FAIL;
 650         goto exit;
 651     }
 652
 653     This->tiff = tiff;
 654     This->stream = pIStream;
 655     IStream_AddRef(pIStream);
 656     This->initialized = TRUE;
 657
 658 exit:
 659     LeaveCriticalSection(&This->lock);
 660     return hr;
 661 }
 662
 663 static HRESULT WINAPI TiffDecoder_GetContainerFormat(IWICBitmapDecoder *iface,
 664     GUID *pguidContainerFormat)
 665 {
 666     if (!pguidContainerFormat) return E_INVALIDARG;
 667
 668     memcpy(pguidContainerFormat, &GUID_ContainerFormatTiff, sizeof(GUID));
 669     return S_OK;
 670 }
 671
 672 static HRESULT WINAPI TiffDecoder_GetDecoderInfo(IWICBitmapDecoder *iface,
 673     IWICBitmapDecoderInfo **ppIDecoderInfo)
 674 {
 675     TRACE("(%p,%p)\n", iface, ppIDecoderInfo);
 676
 677     return get_decoder_info(&CLSID_WICTiffDecoder, ppIDecoderInfo);
 678 }
 679
 680 static HRESULT WINAPI TiffDecoder_CopyPalette(IWICBitmapDecoder *iface,
 681     IWICPalette *palette)
 682 {
 683     TRACE("(%p,%p)\n", iface, palette);
 684     return WINCODEC_ERR_PALETTEUNAVAILABLE;
 685 }
 686
 687 static HRESULT WINAPI TiffDecoder_GetMetadataQueryReader(IWICBitmapDecoder *iface,
 688     IWICMetadataQueryReader **ppIMetadataQueryReader)
 689 {
 690     FIXME("(%p,%p): stub\n", iface, ppIMetadataQueryReader);
 691     return E_NOTIMPL;
 692 }
 693
 694 static HRESULT WINAPI TiffDecoder_GetPreview(IWICBitmapDecoder *iface,
 695     IWICBitmapSource **ppIBitmapSource)
 696 {
 697     TRACE("(%p,%p)\n", iface, ppIBitmapSource);
 698
 699     if (!ppIBitmapSource) return E_INVALIDARG;
 700
 701     *ppIBitmapSource = NULL;
 702     return WINCODEC_ERR_UNSUPPORTEDOPERATION;
 703 }
 704
 705 static HRESULT WINAPI TiffDecoder_GetColorContexts(IWICBitmapDecoder *iface,
 706     UINT cCount, IWICColorContext **ppIColorContexts, UINT *pcActualCount)
 707 {
 708     FIXME("(%p,%u,%p,%p)\n", iface, cCount, ppIColorContexts, pcActualCount);
 709     return WINCODEC_ERR_UNSUPPORTEDOPERATION;
 710 }
 711
 712 static HRESULT WINAPI TiffDecoder_GetThumbnail(IWICBitmapDecoder *iface,
 713     IWICBitmapSource **ppIThumbnail)
 714 {
 715     TRACE("(%p,%p)\n", iface, ppIThumbnail);
 716
 717     if (!ppIThumbnail) return E_INVALIDARG;
 718
 719     *ppIThumbnail = NULL;
 720     return WINCODEC_ERR_CODECNOTHUMBNAIL;
 721 }
 722
 723 static HRESULT WINAPI TiffDecoder_GetFrameCount(IWICBitmapDecoder *iface,
 724     UINT *pCount)
 725 {
 726     TiffDecoder *This = impl_from_IWICBitmapDecoder(iface);
 727
 728     if (!pCount) return E_INVALIDARG;
 729
 730     EnterCriticalSection(&This->lock);
 731     *pCount = This->tiff ? pTIFFNumberOfDirectories(This->tiff) : 0;
 732     LeaveCriticalSection(&This->lock);
 733
 734     TRACE("(%p) <-- %i\n", iface, *pCount);
 735
 736     return S_OK;
 737 }
 738
 739 static HRESULT WINAPI TiffDecoder_GetFrame(IWICBitmapDecoder *iface,
 740     UINT index, IWICBitmapFrameDecode **ppIBitmapFrame)
 741 {
 742     TiffDecoder *This = impl_from_IWICBitmapDecoder(iface);
 743     TiffFrameDecode *result;
 744     int res;
 745     tiff_decode_info decode_info;
 746     HRESULT hr;
 747
 748     TRACE("(%p,%u,%p)\n", iface, index, ppIBitmapFrame);
 749
 750     if (!This->tiff)
 751         return WINCODEC_ERR_FRAMEMISSING;
 752
 753     EnterCriticalSection(&This->lock);
 754     res = pTIFFSetDirectory(This->tiff, index);
 755     if (!res) hr = E_INVALIDARG;
 756     else hr = tiff_get_decode_info(This->tiff, &decode_info);
 757     LeaveCriticalSection(&This->lock);
 758
 759     if (SUCCEEDED(hr))
 760     {
 761         result = HeapAlloc(GetProcessHeap(), 0, sizeof(TiffFrameDecode));
 762
 763         if (result)
 764         {
 765             result->IWICBitmapFrameDecode_iface.lpVtbl = &TiffFrameDecode_Vtbl;
 766             result->IWICMetadataBlockReader_iface.lpVtbl = &TiffFrameDecode_BlockVtbl;
 767             result->ref = 1;
 768             result->parent = This;
 769             result->index = index;
 770             result->decode_info = decode_info;
 771             result->cached_tile_x = -1;
 772             result->cached_tile = HeapAlloc(GetProcessHeap(), 0, decode_info.tile_size);
 773
 774             if (result->cached_tile)
 775                 *ppIBitmapFrame = &result->IWICBitmapFrameDecode_iface;
 776             else
 777             {
 778                 hr = E_OUTOFMEMORY;
 779                 HeapFree(GetProcessHeap(), 0, result);
 780             }
 781         }
 782         else hr = E_OUTOFMEMORY;
 783     }
 784
 785     if (FAILED(hr)) *ppIBitmapFrame = NULL;
 786
 787     return hr;
 788 }
 789
 790 static const IWICBitmapDecoderVtbl TiffDecoder_Vtbl = {
 791     TiffDecoder_QueryInterface,
 792     TiffDecoder_AddRef,
 793     TiffDecoder_Release,
 794     TiffDecoder_QueryCapability,
 795     TiffDecoder_Initialize,
 796     TiffDecoder_GetContainerFormat,
 797     TiffDecoder_GetDecoderInfo,
 798     TiffDecoder_CopyPalette,
 799     TiffDecoder_GetMetadataQueryReader,
 800     TiffDecoder_GetPreview,
 801     TiffDecoder_GetColorContexts,
 802     TiffDecoder_GetThumbnail,
 803     TiffDecoder_GetFrameCount,
 804     TiffDecoder_GetFrame
 805 };
 806
 807 static HRESULT WINAPI TiffFrameDecode_QueryInterface(IWICBitmapFrameDecode *iface, REFIID iid,
 808     void **ppv)
 809 {
 810     TiffFrameDecode *This = impl_from_IWICBitmapFrameDecode(iface);
 811     TRACE("(%p,%s,%p)\n", iface, debugstr_guid(iid), ppv);
 812
 813     if (!ppv) return E_INVALIDARG;
 814
 815     if (IsEqualIID(&IID_IUnknown, iid) ||
 816         IsEqualIID(&IID_IWICBitmapSource, iid) ||
 817         IsEqualIID(&IID_IWICBitmapFrameDecode, iid))
 818     {
 819         *ppv = &This->IWICBitmapFrameDecode_iface;
 820     }
 821     else if (IsEqualIID(&IID_IWICMetadataBlockReader, iid))
 822     {
 823         *ppv = &This->IWICMetadataBlockReader_iface;
 824     }
 825     else
 826     {
 827         *ppv = NULL;
 828         return E_NOINTERFACE;
 829     }
 830
 831     IUnknown_AddRef((IUnknown*)*ppv);
 832     return S_OK;
 833 }
 834
 835 static ULONG WINAPI TiffFrameDecode_AddRef(IWICBitmapFrameDecode *iface)
 836 {
 837     TiffFrameDecode *This = impl_from_IWICBitmapFrameDecode(iface);
 838     ULONG ref = InterlockedIncrement(&This->ref);
 839
 840     TRACE("(%p) refcount=%u\n", iface, ref);
 841
 842     return ref;
 843 }
 844
 845 static ULONG WINAPI TiffFrameDecode_Release(IWICBitmapFrameDecode *iface)
 846 {
 847     TiffFrameDecode *This = impl_from_IWICBitmapFrameDecode(iface);
 848     ULONG ref = InterlockedDecrement(&This->ref);
 849
 850     TRACE("(%p) refcount=%u\n", iface, ref);
 851
 852     if (ref == 0)
 853     {
 854         HeapFree(GetProcessHeap(), 0, This->cached_tile);
 855         HeapFree(GetProcessHeap(), 0, This);
 856     }
 857
 858     return ref;
 859 }
 860
 861 static HRESULT WINAPI TiffFrameDecode_GetSize(IWICBitmapFrameDecode *iface,
 862     UINT *puiWidth, UINT *puiHeight)
 863 {
 864     TiffFrameDecode *This = impl_from_IWICBitmapFrameDecode(iface);
 865
 866     *puiWidth = This->decode_info.width;
 867     *puiHeight = This->decode_info.height;
 868
 869     TRACE("(%p) <-- %ux%u\n", iface, *puiWidth, *puiHeight);
 870
 871     return S_OK;
 872 }
 873
 874 static HRESULT WINAPI TiffFrameDecode_GetPixelFormat(IWICBitmapFrameDecode *iface,
 875     WICPixelFormatGUID *pPixelFormat)
 876 {
 877     TiffFrameDecode *This = impl_from_IWICBitmapFrameDecode(iface);
 878
 879     memcpy(pPixelFormat, This->decode_info.format, sizeof(GUID));
 880
 881     TRACE("(%p) <-- %s\n", This, debugstr_guid(This->decode_info.format));
 882
 883     return S_OK;
 884 }
 885
 886 static HRESULT WINAPI TiffFrameDecode_GetResolution(IWICBitmapFrameDecode *iface,
 887     double *pDpiX, double *pDpiY)
 888 {
 889     TiffFrameDecode *This = impl_from_IWICBitmapFrameDecode(iface);
 890
 891     if (This->decode_info.xres == 0 || This->decode_info.yres == 0)
 892     {
 893         *pDpiX = *pDpiY = 96.0;
 894     }
 895     else
 896     {
 897         switch (This->decode_info.resolution_unit)
 898         {
 899         default:
 900             FIXME("unknown resolution unit %i\n", This->decode_info.resolution_unit);
 901             /* fall through */
 902         case 0: /* Not set */
 903         case 1: /* Relative measurements */
 904         case 2: /* Inch */
 905             *pDpiX = This->decode_info.xres;
 906             *pDpiY = This->decode_info.yres;
 907             break;
 908         case 3: /* Centimeter */
 909             *pDpiX = This->decode_info.xres * 2.54;
 910             *pDpiY = This->decode_info.yres * 2.54;
 911             break;
 912         }
 913     }
 914
 915     TRACE("(%p) <-- %f,%f unit=%i\n", iface, *pDpiX, *pDpiY, This->decode_info.resolution_unit);
 916
 917     return S_OK;
 918 }
 919
 920 static HRESULT WINAPI TiffFrameDecode_CopyPalette(IWICBitmapFrameDecode *iface,
 921     IWICPalette *pIPalette)
 922 {
 923     TiffFrameDecode *This = impl_from_IWICBitmapFrameDecode(iface);
 924     uint16 *red, *green, *blue;
 925     WICColor colors[256];
 926     int color_count, ret, i;
 927
 928     TRACE("(%p,%p)\n", iface, pIPalette);
 929
 930     color_count = 1<<This->decode_info.bps;
 931
 932     EnterCriticalSection(&This->parent->lock);
 933     ret = pTIFFGetField(This->parent->tiff, TIFFTAG_COLORMAP, &red, &green, &blue);
 934     LeaveCriticalSection(&This->parent->lock);
 935
 936     if (!ret)
 937     {
 938         WARN("Couldn't read color map\n");
 939         return WINCODEC_ERR_PALETTEUNAVAILABLE;
 940     }
 941
 942     for (i=0; i<color_count; i++)
 943     {
 944         colors[i] = 0xff000000 |
 945             ((red[i]<<8) & 0xff0000) |
 946             (green[i] & 0xff00) |
 947             ((blue[i]>>8) & 0xff);
 948     }
 949
 950     return IWICPalette_InitializeCustom(pIPalette, colors, color_count);
 951 }
 952
 953 static HRESULT TiffFrameDecode_ReadTile(TiffFrameDecode *This, UINT tile_x, UINT tile_y)
 954 {
 955     HRESULT hr=S_OK;
 956     tsize_t ret;
 957     int swap_bytes;
 958
 959     swap_bytes = pTIFFIsByteSwapped(This->parent->tiff);
 960
 961     ret = pTIFFSetDirectory(This->parent->tiff, This->index);
 962
 963     if (ret == -1)
 964         hr = E_FAIL;
 965
 966     if (hr == S_OK)
 967     {
 968         if (This->decode_info.tiled)
 969         {
 970             ret = pTIFFReadEncodedTile(This->parent->tiff, tile_x + tile_y * This->decode_info.tiles_across, This->cached_tile, This->decode_info.tile_size);
 971         }
 972         else
 973         {
 974             ret = pTIFFReadEncodedStrip(This->parent->tiff, tile_y, This->cached_tile, This->decode_info.tile_size);
 975         }
 976
 977         if (ret == -1)
 978             hr = E_FAIL;
 979     }
 980
 981     /* 8bpp grayscale with extra alpha */
 982     if (hr == S_OK && This->decode_info.source_bpp == 16 && This->decode_info.samples == 2 && This->decode_info.bpp == 32)
 983     {
 984         BYTE *src;
 985         DWORD *dst, count = This->decode_info.tile_width * This->decode_info.tile_height;
 986
 987         src = This->cached_tile + This->decode_info.tile_width * This->decode_info.tile_height * 2 - 2;
 988         dst = (DWORD *)(This->cached_tile + This->decode_info.tile_size - 4);
 989
 990         while (count--)
 991         {
 992             *dst-- = src[0] | (src[0] << 8) | (src[0] << 16) | (src[1] << 24);
 993             src -= 2;
 994         }
 995     }
 996
 997     if (hr == S_OK && This->decode_info.reverse_bgr)
 998     {
 999         if (This->decode_info.bps == 8)
1000         {
1001             UINT sample_count = This->decode_info.samples;
1002
1003             reverse_bgr8(sample_count, This->cached_tile, This->decode_info.tile_width,
1004                 This->decode_info.tile_height, This->decode_info.tile_width * sample_count);
1005         }
1006     }
1007
1008     if (hr == S_OK && swap_bytes && This->decode_info.bps > 8)
1009     {
1010         UINT row, i, samples_per_row;
1011         BYTE *sample, temp;
1012
1013         samples_per_row = This->decode_info.tile_width * This->decode_info.samples;
1014
1015         switch(This->decode_info.bps)
1016         {
1017         case 16:
1018             for (row=0; row<This->decode_info.tile_height; row++)
1019             {
1020                 sample = This->cached_tile + row * This->decode_info.tile_stride;
1021                 for (i=0; i<samples_per_row; i++)
1022                 {
1023                     temp = sample[1];
1024                     sample[1] = sample[0];
1025                     sample[0] = temp;
1026                     sample += 2;
1027                 }
1028             }
1029             break;
1030         default:
1031             ERR("unhandled bps for byte swap %u\n", This->decode_info.bps);
1032             return E_FAIL;
1033         }
1034     }
1035
1036     if (hr == S_OK && This->decode_info.invert_grayscale)
1037     {
1038         BYTE *byte, *end;
1039
1040         if (This->decode_info.samples != 1)
1041         {
1042             ERR("cannot invert grayscale image with %u samples\n", This->decode_info.samples);
1043             return E_FAIL;
1044         }
1045
1046         end = This->cached_tile+This->decode_info.tile_size;
1047
1048         for (byte = This->cached_tile; byte != end; byte++)
1049             *byte = ~(*byte);
1050     }
1051
1052     if (hr == S_OK)
1053     {
1054         This->cached_tile_x = tile_x;
1055         This->cached_tile_y = tile_y;
1056     }
1057
1058     return hr;
1059 }
1060
1061 static HRESULT WINAPI TiffFrameDecode_CopyPixels(IWICBitmapFrameDecode *iface,
1062     const WICRect *prc, UINT cbStride, UINT cbBufferSize, BYTE *pbBuffer)
1063 {
1064     TiffFrameDecode *This = impl_from_IWICBitmapFrameDecode(iface);
1065     UINT min_tile_x, max_tile_x, min_tile_y, max_tile_y;
1066     UINT tile_x, tile_y;
1067     WICRect rc;
1068     HRESULT hr=S_OK;
1069     BYTE *dst_tilepos;
1070     UINT bytesperrow;
1071     WICRect rect;
1072
1073     TRACE("(%p,%p,%u,%u,%p)\n", iface, prc, cbStride, cbBufferSize, pbBuffer);
1074
1075     if (!prc)
1076     {
1077         rect.X = 0;
1078         rect.Y = 0;
1079         rect.Width = This->decode_info.width;
1080         rect.Height = This->decode_info.height;
1081         prc = &rect;
1082     }
1083     else
1084     {
1085         if (prc->X < 0 || prc->Y < 0 || prc->X+prc->Width > This->decode_info.width ||
1086             prc->Y+prc->Height > This->decode_info.height)
1087             return E_INVALIDARG;
1088     }
1089
1090     bytesperrow = ((This->decode_info.bpp * prc->Width)+7)/8;
1091
1092     if (cbStride < bytesperrow)
1093         return E_INVALIDARG;
1094
1095     if ((cbStride * prc->Height) > cbBufferSize)
1096         return E_INVALIDARG;
1097
1098     min_tile_x = prc->X / This->decode_info.tile_width;
1099     min_tile_y = prc->Y / This->decode_info.tile_height;
1100     max_tile_x = (prc->X+prc->Width-1) / This->decode_info.tile_width;
1101     max_tile_y = (prc->Y+prc->Height-1) / This->decode_info.tile_height;
1102
1103     EnterCriticalSection(&This->parent->lock);
1104
1105     for (tile_x=min_tile_x; tile_x <= max_tile_x; tile_x++)
1106     {
1107         for (tile_y=min_tile_y; tile_y <= max_tile_y; tile_y++)
1108         {
1109             if (tile_x != This->cached_tile_x || tile_y != This->cached_tile_y)
1110             {
1111                 hr = TiffFrameDecode_ReadTile(This, tile_x, tile_y);
1112             }
1113
1114             if (SUCCEEDED(hr))
1115             {
1116                 if (prc->X < tile_x * This->decode_info.tile_width)
1117                     rc.X = 0;
1118                 else
1119                     rc.X = prc->X - tile_x * This->decode_info.tile_width;
1120
1121                 if (prc->Y < tile_y * This->decode_info.tile_height)
1122                     rc.Y = 0;
1123                 else
1124                     rc.Y = prc->Y - tile_y * This->decode_info.tile_height;
1125
1126                 if (prc->X+prc->Width > (tile_x+1) * This->decode_info.tile_width)
1127                     rc.Width = This->decode_info.tile_width - rc.X;
1128                 else if (prc->X < tile_x * This->decode_info.tile_width)
1129                     rc.Width = prc->Width + prc->X - tile_x * This->decode_info.tile_width;
1130                 else
1131                     rc.Width = prc->Width;
1132
1133                 if (prc->Y+prc->Height > (tile_y+1) * This->decode_info.tile_height)
1134                     rc.Height = This->decode_info.tile_height - rc.Y;
1135                 else if (prc->Y < tile_y * This->decode_info.tile_height)
1136                     rc.Height = prc->Height + prc->Y - tile_y * This->decode_info.tile_height;
1137                 else
1138                     rc.Height = prc->Height;
1139
1140                 dst_tilepos = pbBuffer + (cbStride * ((rc.Y + tile_y * This->decode_info.tile_height) - prc->Y)) +
1141                     ((This->decode_info.bpp * ((rc.X + tile_x * This->decode_info.tile_width) - prc->X) + 7) / 8);
1142
1143                 hr = copy_pixels(This->decode_info.bpp, This->cached_tile,
1144                     This->decode_info.tile_width, This->decode_info.tile_height, This->decode_info.tile_stride,
1145                     &rc, cbStride, cbBufferSize, dst_tilepos);
1146             }
1147
1148             if (FAILED(hr))
1149             {
1150                 LeaveCriticalSection(&This->parent->lock);
1151                 TRACE("<-- 0x%x\n", hr);
1152                 return hr;
1153             }
1154         }
1155     }
1156
1157     LeaveCriticalSection(&This->parent->lock);
1158
1159     return S_OK;
1160 }
1161
1162 static HRESULT WINAPI TiffFrameDecode_GetMetadataQueryReader(IWICBitmapFrameDecode *iface,
1163     IWICMetadataQueryReader **ppIMetadataQueryReader)
1164 {
1165     TiffFrameDecode *This = impl_from_IWICBitmapFrameDecode(iface);
1166
1167     TRACE("(%p,%p)\n", iface, ppIMetadataQueryReader);
1168
1169     if (!ppIMetadataQueryReader)
1170         return E_INVALIDARG;
1171
1172     return MetadataQueryReader_CreateInstance(&This->IWICMetadataBlockReader_iface, NULL, ppIMetadataQueryReader);
1173 }
1174
1175 static HRESULT WINAPI TiffFrameDecode_GetColorContexts(IWICBitmapFrameDecode *iface,
1176     UINT cCount, IWICColorContext **ppIColorContexts, UINT *pcActualCount)
1177 {
1178     TiffFrameDecode *This = impl_from_IWICBitmapFrameDecode(iface);
1179     const BYTE *profile;
1180     UINT len;
1181     HRESULT hr;
1182
1183     TRACE("(%p,%u,%p,%p)\n", iface, cCount, ppIColorContexts, pcActualCount);
1184
1185     EnterCriticalSection(&This->parent->lock);
1186
1187     if (pTIFFGetField(This->parent->tiff, TIFFTAG_ICCPROFILE, &len, &profile))
1188     {
1189         if (cCount && ppIColorContexts)
1190         {
1191             hr = IWICColorContext_InitializeFromMemory(*ppIColorContexts, profile, len);
1192             if (FAILED(hr))
1193             {
1194                 LeaveCriticalSection(&This->parent->lock);
1195                 return hr;
1196             }
1197         }
1198         *pcActualCount = 1;
1199     }
1200     else
1201         *pcActualCount = 0;
1202
1203     LeaveCriticalSection(&This->parent->lock);
1204
1205     return S_OK;
1206 }
1207
1208 static HRESULT WINAPI TiffFrameDecode_GetThumbnail(IWICBitmapFrameDecode *iface,
1209     IWICBitmapSource **ppIThumbnail)
1210 {
1211     TRACE("(%p,%p)\n", iface, ppIThumbnail);
1212
1213     if (!ppIThumbnail) return E_INVALIDARG;
1214
1215     *ppIThumbnail = NULL;
1216     return WINCODEC_ERR_CODECNOTHUMBNAIL;
1217 }
1218
1219 static const IWICBitmapFrameDecodeVtbl TiffFrameDecode_Vtbl = {
1220     TiffFrameDecode_QueryInterface,
1221     TiffFrameDecode_AddRef,
1222     TiffFrameDecode_Release,
1223     TiffFrameDecode_GetSize,
1224     TiffFrameDecode_GetPixelFormat,
1225     TiffFrameDecode_GetResolution,
1226     TiffFrameDecode_CopyPalette,
1227     TiffFrameDecode_CopyPixels,
1228     TiffFrameDecode_GetMetadataQueryReader,
1229     TiffFrameDecode_GetColorContexts,
1230     TiffFrameDecode_GetThumbnail
1231 };
1232
1233 static HRESULT WINAPI TiffFrameDecode_Block_QueryInterface(IWICMetadataBlockReader *iface,
1234     REFIID iid, void **ppv)
1235 {
1236     TiffFrameDecode *This = impl_from_IWICMetadataBlockReader(iface);
1237     return IWICBitmapFrameDecode_QueryInterface(&This->IWICBitmapFrameDecode_iface, iid, ppv);
1238 }
1239
1240 static ULONG WINAPI TiffFrameDecode_Block_AddRef(IWICMetadataBlockReader *iface)
1241 {
1242     TiffFrameDecode *This = impl_from_IWICMetadataBlockReader(iface);
1243     return IWICBitmapFrameDecode_AddRef(&This->IWICBitmapFrameDecode_iface);
1244 }
1245
1246 static ULONG WINAPI TiffFrameDecode_Block_Release(IWICMetadataBlockReader *iface)
1247 {
1248     TiffFrameDecode *This = impl_from_IWICMetadataBlockReader(iface);
1249     return IWICBitmapFrameDecode_Release(&This->IWICBitmapFrameDecode_iface);
1250 }
1251
1252 static HRESULT WINAPI TiffFrameDecode_Block_GetContainerFormat(IWICMetadataBlockReader *iface,
1253     GUID *guid)
1254 {
1255     TRACE("(%p,%p)\n", iface, guid);
1256
1257     if (!guid) return E_INVALIDARG;
1258
1259     *guid = GUID_ContainerFormatTiff;
1260     return S_OK;
1261 }
1262
1263 static HRESULT WINAPI TiffFrameDecode_Block_GetCount(IWICMetadataBlockReader *iface,
1264     UINT *count)
1265 {
1266     TRACE("%p,%p\n", iface, count);
1267
1268     if (!count) return E_INVALIDARG;
1269
1270     *count = 1;
1271     return S_OK;
1272 }
1273
1274 static HRESULT create_metadata_reader(TiffFrameDecode *This, IWICMetadataReader **reader)
1275 {
1276     HRESULT hr;
1277     LARGE_INTEGER dir_offset;
1278     IWICMetadataReader *metadata_reader;
1279     IWICPersistStream *persist;
1280
1281     /* FIXME: Use IWICComponentFactory_CreateMetadataReader once it's implemented */
1282
1283     hr = IfdMetadataReader_CreateInstance(&IID_IWICMetadataReader, (void **)&metadata_reader);
1284     if (FAILED(hr)) return hr;
1285
1286     hr = IWICMetadataReader_QueryInterface(metadata_reader, &IID_IWICPersistStream, (void **)&persist);
1287     if (FAILED(hr))
1288     {
1289         IWICMetadataReader_Release(metadata_reader);
1290         return hr;
1291     }
1292
1293     EnterCriticalSection(&This->parent->lock);
1294
1295     dir_offset.QuadPart = pTIFFCurrentDirOffset(This->parent->tiff);
1296     hr = IStream_Seek(This->parent->stream, dir_offset, STREAM_SEEK_SET, NULL);
1297     if (SUCCEEDED(hr))
1298     {
1299         BOOL byte_swapped = pTIFFIsByteSwapped(This->parent->tiff);
1300 #ifdef WORDS_BIGENDIAN
1301         DWORD persist_options = byte_swapped ? WICPersistOptionLittleEndian : WICPersistOptionBigEndian;
1302 #else
1303         DWORD persist_options = byte_swapped ? WICPersistOptionBigEndian : WICPersistOptionLittleEndian;
1304 #endif
1305         persist_options |= WICPersistOptionNoCacheStream;
1306         hr = IWICPersistStream_LoadEx(persist, This->parent->stream, NULL, persist_options);
1307         if (FAILED(hr))
1308             ERR("IWICPersistStream_LoadEx error %#x\n", hr);
1309     }
1310
1311     LeaveCriticalSection(&This->parent->lock);
1312
1313     IWICPersistStream_Release(persist);
1314
1315     if (FAILED(hr))
1316     {
1317         IWICMetadataReader_Release(metadata_reader);
1318         return hr;
1319     }
1320
1321     *reader = metadata_reader;
1322     return S_OK;
1323 }
1324
1325 static HRESULT WINAPI TiffFrameDecode_Block_GetReaderByIndex(IWICMetadataBlockReader *iface,
1326     UINT index, IWICMetadataReader **reader)
1327 {
1328     TiffFrameDecode *This = impl_from_IWICMetadataBlockReader(iface);
1329
1330     TRACE("(%p,%u,%p)\n", iface, index, reader);
1331
1332     if (!reader || index != 0) return E_INVALIDARG;
1333
1334     return create_metadata_reader(This, reader);
1335 }
1336
1337 static HRESULT WINAPI TiffFrameDecode_Block_GetEnumerator(IWICMetadataBlockReader *iface,
1338     IEnumUnknown **enum_metadata)
1339 {
1340     FIXME("(%p,%p): stub\n", iface, enum_metadata);
1341     return E_NOTIMPL;
1342 }
1343
1344 static const IWICMetadataBlockReaderVtbl TiffFrameDecode_BlockVtbl =
1345 {
1346     TiffFrameDecode_Block_QueryInterface,
1347     TiffFrameDecode_Block_AddRef,
1348     TiffFrameDecode_Block_Release,
1349     TiffFrameDecode_Block_GetContainerFormat,
1350     TiffFrameDecode_Block_GetCount,
1351     TiffFrameDecode_Block_GetReaderByIndex,
1352     TiffFrameDecode_Block_GetEnumerator
1353 };
1354
1355 HRESULT TiffDecoder_CreateInstance(REFIID iid, void** ppv)
1356 {
1357     HRESULT ret;
1358     TiffDecoder *This;
1359
1360     TRACE("(%s,%p)\n", debugstr_guid(iid), ppv);
1361
1362     *ppv = NULL;
1363
1364     if (!load_libtiff())
1365     {
1366         ERR("Failed reading TIFF because unable to load %s\n",SONAME_LIBTIFF);
1367         return E_FAIL;
1368     }
1369
1370     This = HeapAlloc(GetProcessHeap(), 0, sizeof(TiffDecoder));
1371     if (!This) return E_OUTOFMEMORY;
1372
1373     This->IWICBitmapDecoder_iface.lpVtbl = &TiffDecoder_Vtbl;
1374     This->ref = 1;
1375     This->stream = NULL;
1376     InitializeCriticalSection(&This->lock);
1377     This->lock.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": TiffDecoder.lock");
1378     This->tiff = NULL;
1379     This->initialized = FALSE;
1380
1381     ret = IWICBitmapDecoder_QueryInterface(&This->IWICBitmapDecoder_iface, iid, ppv);
1382     IWICBitmapDecoder_Release(&This->IWICBitmapDecoder_iface);
1383
1384     return ret;
1385 }
1386
1387 struct tiff_encode_format {
1388     const WICPixelFormatGUID *guid;
1389     int photometric;
1390     int bps;
1391     int samples;
1392     int bpp;
1393     int extra_sample;
1394     int extra_sample_type;
1395     int reverse_bgr;
1396 };
1397
1398 static const struct tiff_encode_format formats[] = {
1399     {&GUID_WICPixelFormat24bppBGR, 2, 8, 3, 24, 0, 0, 1},
1400     {&GUID_WICPixelFormat24bppRGB, 2, 8, 3, 24, 0, 0, 0},
1401     {&GUID_WICPixelFormatBlackWhite, 1, 1, 1, 1, 0, 0, 0},
1402     {&GUID_WICPixelFormat4bppGray, 1, 4, 1, 4, 0, 0, 0},
1403     {&GUID_WICPixelFormat8bppGray, 1, 8, 1, 8, 0, 0, 0},
1404     {&GUID_WICPixelFormat32bppBGRA, 2, 8, 4, 32, 1, 2, 1},
1405     {&GUID_WICPixelFormat32bppPBGRA, 2, 8, 4, 32, 1, 1, 1},
1406     {&GUID_WICPixelFormat48bppRGB, 2, 16, 3, 48, 0, 0, 0},
1407     {&GUID_WICPixelFormat64bppRGBA, 2, 16, 4, 64, 1, 2, 0},
1408     {&GUID_WICPixelFormat64bppPRGBA, 2, 16, 4, 64, 1, 1, 0},
1409     {0}
1410 };
1411
1412 typedef struct TiffEncoder {
1413     IWICBitmapEncoder IWICBitmapEncoder_iface;
1414     LONG ref;
1415     IStream *stream;
1416     CRITICAL_SECTION lock; /* Must be held when tiff is used or fields below are set */
1417     TIFF *tiff;
1418     BOOL initialized;
1419     BOOL committed;
1420     ULONG num_frames;
1421     ULONG num_frames_committed;
1422 } TiffEncoder;
1423
1424 static inline TiffEncoder *impl_from_IWICBitmapEncoder(IWICBitmapEncoder *iface)
1425 {
1426     return CONTAINING_RECORD(iface, TiffEncoder, IWICBitmapEncoder_iface);
1427 }
1428
1429 typedef struct TiffFrameEncode {
1430     IWICBitmapFrameEncode IWICBitmapFrameEncode_iface;
1431     LONG ref;
1432     TiffEncoder *parent;
1433     /* fields below are protected by parent->lock */
1434     BOOL initialized;
1435     BOOL info_written;
1436     BOOL committed;
1437     const struct tiff_encode_format *format;
1438     UINT width, height;
1439     double xres, yres;
1440     UINT lines_written;
1441     WICColor palette[256];
1442     UINT colors;
1443 } TiffFrameEncode;
1444
1445 static inline TiffFrameEncode *impl_from_IWICBitmapFrameEncode(IWICBitmapFrameEncode *iface)
1446 {
1447     return CONTAINING_RECORD(iface, TiffFrameEncode, IWICBitmapFrameEncode_iface);
1448 }
1449
1450 static HRESULT WINAPI TiffFrameEncode_QueryInterface(IWICBitmapFrameEncode *iface, REFIID iid,
1451     void **ppv)
1452 {
1453     TiffFrameEncode *This = impl_from_IWICBitmapFrameEncode(iface);
1454     TRACE("(%p,%s,%p)\n", iface, debugstr_guid(iid), ppv);
1455
1456     if (!ppv) return E_INVALIDARG;
1457
1458     if (IsEqualIID(&IID_IUnknown, iid) ||
1459         IsEqualIID(&IID_IWICBitmapFrameEncode, iid))
1460     {
1461         *ppv = &This->IWICBitmapFrameEncode_iface;
1462     }
1463     else
1464     {
1465         *ppv = NULL;
1466         return E_NOINTERFACE;
1467     }
1468
1469     IUnknown_AddRef((IUnknown*)*ppv);
1470     return S_OK;
1471 }
1472
1473 static ULONG WINAPI TiffFrameEncode_AddRef(IWICBitmapFrameEncode *iface)
1474 {
1475     TiffFrameEncode *This = impl_from_IWICBitmapFrameEncode(iface);
1476     ULONG ref = InterlockedIncrement(&This->ref);
1477
1478     TRACE("(%p) refcount=%u\n", iface, ref);
1479
1480     return ref;
1481 }
1482
1483 static ULONG WINAPI TiffFrameEncode_Release(IWICBitmapFrameEncode *iface)
1484 {
1485     TiffFrameEncode *This = impl_from_IWICBitmapFrameEncode(iface);
1486     ULONG ref = InterlockedDecrement(&This->ref);
1487
1488     TRACE("(%p) refcount=%u\n", iface, ref);
1489
1490     if (ref == 0)
1491     {
1492         IWICBitmapEncoder_Release(&This->parent->IWICBitmapEncoder_iface);
1493         HeapFree(GetProcessHeap(), 0, This);
1494     }
1495
1496     return ref;
1497 }
1498
1499 static HRESULT WINAPI TiffFrameEncode_Initialize(IWICBitmapFrameEncode *iface,
1500     IPropertyBag2 *pIEncoderOptions)
1501 {
1502     TiffFrameEncode *This = impl_from_IWICBitmapFrameEncode(iface);
1503     TRACE("(%p,%p)\n", iface, pIEncoderOptions);
1504
1505     EnterCriticalSection(&This->parent->lock);
1506
1507     if (This->initialized)
1508     {
1509         LeaveCriticalSection(&This->parent->lock);
1510         return WINCODEC_ERR_WRONGSTATE;
1511     }
1512
1513     This->initialized = TRUE;
1514
1515     LeaveCriticalSection(&This->parent->lock);
1516
1517     return S_OK;
1518 }
1519
1520 static HRESULT WINAPI TiffFrameEncode_SetSize(IWICBitmapFrameEncode *iface,
1521     UINT uiWidth, UINT uiHeight)
1522 {
1523     TiffFrameEncode *This = impl_from_IWICBitmapFrameEncode(iface);
1524     TRACE("(%p,%u,%u)\n", iface, uiWidth, uiHeight);
1525
1526     EnterCriticalSection(&This->parent->lock);
1527
1528     if (!This->initialized || This->info_written)
1529     {
1530         LeaveCriticalSection(&This->parent->lock);
1531         return WINCODEC_ERR_WRONGSTATE;
1532     }
1533
1534     This->width = uiWidth;
1535     This->height = uiHeight;
1536
1537     LeaveCriticalSection(&This->parent->lock);
1538
1539     return S_OK;
1540 }
1541
1542 static HRESULT WINAPI TiffFrameEncode_SetResolution(IWICBitmapFrameEncode *iface,
1543     double dpiX, double dpiY)
1544 {
1545     TiffFrameEncode *This = impl_from_IWICBitmapFrameEncode(iface);
1546     TRACE("(%p,%0.2f,%0.2f)\n", iface, dpiX, dpiY);
1547
1548     EnterCriticalSection(&This->parent->lock);
1549
1550     if (!This->initialized || This->info_written)
1551     {
1552         LeaveCriticalSection(&This->parent->lock);
1553         return WINCODEC_ERR_WRONGSTATE;
1554     }
1555
1556     This->xres = dpiX;
1557     This->yres = dpiY;
1558
1559     LeaveCriticalSection(&This->parent->lock);
1560
1561     return S_OK;
1562 }
1563
1564 static HRESULT WINAPI TiffFrameEncode_SetPixelFormat(IWICBitmapFrameEncode *iface,
1565     WICPixelFormatGUID *pPixelFormat)
1566 {
1567     TiffFrameEncode *This = impl_from_IWICBitmapFrameEncode(iface);
1568     int i;
1569
1570     TRACE("(%p,%s)\n", iface, debugstr_guid(pPixelFormat));
1571
1572     EnterCriticalSection(&This->parent->lock);
1573
1574     if (!This->initialized || This->info_written)
1575     {
1576         LeaveCriticalSection(&This->parent->lock);
1577         return WINCODEC_ERR_WRONGSTATE;
1578     }
1579
1580     for (i=0; formats[i].guid; i++)
1581     {
1582         if (memcmp(formats[i].guid, pPixelFormat, sizeof(GUID)) == 0)
1583             break;
1584     }
1585
1586     if (!formats[i].guid) i = 0;
1587
1588     This->format = &formats[i];
1589     memcpy(pPixelFormat, This->format->guid, sizeof(GUID));
1590
1591     LeaveCriticalSection(&This->parent->lock);
1592
1593     return S_OK;
1594 }
1595
1596 static HRESULT WINAPI TiffFrameEncode_SetColorContexts(IWICBitmapFrameEncode *iface,
1597     UINT cCount, IWICColorContext **ppIColorContext)
1598 {
1599     FIXME("(%p,%u,%p): stub\n", iface, cCount, ppIColorContext);
1600     return E_NOTIMPL;
1601 }
1602
1603 static HRESULT WINAPI TiffFrameEncode_SetPalette(IWICBitmapFrameEncode *iface,
1604     IWICPalette *palette)
1605 {
1606     TiffFrameEncode *This = impl_from_IWICBitmapFrameEncode(iface);
1607     HRESULT hr;
1608
1609     TRACE("(%p,%p)\n", iface, palette);
1610
1611     if (!palette) return E_INVALIDARG;
1612
1613     EnterCriticalSection(&This->parent->lock);
1614
1615     if (This->initialized)
1616         hr = IWICPalette_GetColors(palette, 256, This->palette, &This->colors);
1617     else
1618         hr = WINCODEC_ERR_NOTINITIALIZED;
1619
1620     LeaveCriticalSection(&This->parent->lock);
1621     return hr;
1622 }
1623
1624 static HRESULT WINAPI TiffFrameEncode_SetThumbnail(IWICBitmapFrameEncode *iface,
1625     IWICBitmapSource *pIThumbnail)
1626 {
1627     FIXME("(%p,%p): stub\n", iface, pIThumbnail);
1628     return WINCODEC_ERR_UNSUPPORTEDOPERATION;
1629 }
1630
1631 static HRESULT WINAPI TiffFrameEncode_WritePixels(IWICBitmapFrameEncode *iface,
1632     UINT lineCount, UINT cbStride, UINT cbBufferSize, BYTE *pbPixels)
1633 {
1634     TiffFrameEncode *This = impl_from_IWICBitmapFrameEncode(iface);
1635     BYTE *row_data, *swapped_data = NULL;
1636     UINT i, j, line_size;
1637
1638     TRACE("(%p,%u,%u,%u,%p)\n", iface, lineCount, cbStride, cbBufferSize, pbPixels);
1639
1640     EnterCriticalSection(&This->parent->lock);
1641
1642     if (!This->initialized || !This->width || !This->height || !This->format)
1643     {
1644         LeaveCriticalSection(&This->parent->lock);
1645         return WINCODEC_ERR_WRONGSTATE;
1646     }
1647
1648     if (lineCount == 0 || lineCount + This->lines_written > This->height)
1649     {
1650         LeaveCriticalSection(&This->parent->lock);
1651         return E_INVALIDARG;
1652     }
1653
1654     line_size = ((This->width * This->format->bpp)+7)/8;
1655
1656     if (This->format->reverse_bgr)
1657     {
1658         swapped_data = HeapAlloc(GetProcessHeap(), 0, line_size);
1659         if (!swapped_data)
1660         {
1661             LeaveCriticalSection(&This->parent->lock);
1662             return E_OUTOFMEMORY;
1663         }
1664     }
1665
1666     if (!This->info_written)
1667     {
1668         pTIFFSetField(This->parent->tiff, TIFFTAG_PHOTOMETRIC, (uint16)This->format->photometric);
1669         pTIFFSetField(This->parent->tiff, TIFFTAG_PLANARCONFIG, (uint16)1);
1670         pTIFFSetField(This->parent->tiff, TIFFTAG_BITSPERSAMPLE, (uint16)This->format->bps);
1671         pTIFFSetField(This->parent->tiff, TIFFTAG_SAMPLESPERPIXEL, (uint16)This->format->samples);
1672
1673         if (This->format->extra_sample)
1674         {
1675             uint16 extra_samples;
1676             extra_samples = This->format->extra_sample_type;
1677
1678             pTIFFSetField(This->parent->tiff, TIFFTAG_EXTRASAMPLES, (uint16)1, &extra_samples);
1679         }
1680
1681         pTIFFSetField(This->parent->tiff, TIFFTAG_IMAGEWIDTH, (uint32)This->width);
1682         pTIFFSetField(This->parent->tiff, TIFFTAG_IMAGELENGTH, (uint32)This->height);
1683
1684         if (This->xres != 0.0 && This->yres != 0.0)
1685         {
1686             pTIFFSetField(This->parent->tiff, TIFFTAG_RESOLUTIONUNIT, (uint16)2); /* Inch */
1687             pTIFFSetField(This->parent->tiff, TIFFTAG_XRESOLUTION, (float)This->xres);
1688             pTIFFSetField(This->parent->tiff, TIFFTAG_YRESOLUTION, (float)This->yres);
1689         }
1690
1691         This->info_written = TRUE;
1692     }
1693
1694     for (i=0; i<lineCount; i++)
1695     {
1696         row_data = pbPixels + i * cbStride;
1697
1698         if (This->format->reverse_bgr && This->format->bps == 8)
1699         {
1700             memcpy(swapped_data, row_data, line_size);
1701             for (j=0; j<line_size; j += This->format->samples)
1702             {
1703                 BYTE temp;
1704                 temp = swapped_data[j];
1705                 swapped_data[j] = swapped_data[j+2];
1706                 swapped_data[j+2] = temp;
1707             }
1708             row_data = swapped_data;
1709         }
1710
1711         pTIFFWriteScanline(This->parent->tiff, (tdata_t)row_data, i+This->lines_written, 0);
1712     }
1713
1714     This->lines_written += lineCount;
1715
1716     LeaveCriticalSection(&This->parent->lock);
1717
1718     HeapFree(GetProcessHeap(), 0, swapped_data);
1719
1720     return S_OK;
1721 }
1722
1723 static HRESULT WINAPI TiffFrameEncode_WriteSource(IWICBitmapFrameEncode *iface,
1724     IWICBitmapSource *pIBitmapSource, WICRect *prc)
1725 {
1726     TiffFrameEncode *This = impl_from_IWICBitmapFrameEncode(iface);
1727     HRESULT hr;
1728
1729     TRACE("(%p,%p,%p)\n", iface, pIBitmapSource, prc);
1730
1731     if (!This->initialized)
1732         return WINCODEC_ERR_WRONGSTATE;
1733
1734     hr = configure_write_source(iface, pIBitmapSource, prc,
1735         This->format ? This->format->guid : NULL, This->width, This->height,
1736         This->xres, This->yres);
1737
1738     if (SUCCEEDED(hr))
1739     {
1740         hr = write_source(iface, pIBitmapSource, prc,
1741             This->format->guid, This->format->bpp, This->width, This->height);
1742     }
1743
1744     return hr;
1745 }
1746
1747 static HRESULT WINAPI TiffFrameEncode_Commit(IWICBitmapFrameEncode *iface)
1748 {
1749     TiffFrameEncode *This = impl_from_IWICBitmapFrameEncode(iface);
1750
1751     TRACE("(%p)\n", iface);
1752
1753     EnterCriticalSection(&This->parent->lock);
1754
1755     if (!This->info_written || This->lines_written != This->height || This->committed)
1756     {
1757         LeaveCriticalSection(&This->parent->lock);
1758         return WINCODEC_ERR_WRONGSTATE;
1759     }
1760
1761     /* libtiff will commit the data when creating a new frame or closing the file */
1762
1763     This->committed = TRUE;
1764     This->parent->num_frames_committed++;
1765
1766     LeaveCriticalSection(&This->parent->lock);
1767
1768     return S_OK;
1769 }
1770
1771 static HRESULT WINAPI TiffFrameEncode_GetMetadataQueryWriter(IWICBitmapFrameEncode *iface,
1772     IWICMetadataQueryWriter **ppIMetadataQueryWriter)
1773 {
1774     FIXME("(%p, %p): stub\n", iface, ppIMetadataQueryWriter);
1775     return E_NOTIMPL;
1776 }
1777
1778 static const IWICBitmapFrameEncodeVtbl TiffFrameEncode_Vtbl = {
1779     TiffFrameEncode_QueryInterface,
1780     TiffFrameEncode_AddRef,
1781     TiffFrameEncode_Release,
1782     TiffFrameEncode_Initialize,
1783     TiffFrameEncode_SetSize,
1784     TiffFrameEncode_SetResolution,
1785     TiffFrameEncode_SetPixelFormat,
1786     TiffFrameEncode_SetColorContexts,
1787     TiffFrameEncode_SetPalette,
1788     TiffFrameEncode_SetThumbnail,
1789     TiffFrameEncode_WritePixels,
1790     TiffFrameEncode_WriteSource,
1791     TiffFrameEncode_Commit,
1792     TiffFrameEncode_GetMetadataQueryWriter
1793 };
1794
1795 static HRESULT WINAPI TiffEncoder_QueryInterface(IWICBitmapEncoder *iface, REFIID iid,
1796     void **ppv)
1797 {
1798     TiffEncoder *This = impl_from_IWICBitmapEncoder(iface);
1799     TRACE("(%p,%s,%p)\n", iface, debugstr_guid(iid), ppv);
1800
1801     if (!ppv) return E_INVALIDARG;
1802
1803     if (IsEqualIID(&IID_IUnknown, iid) ||
1804         IsEqualIID(&IID_IWICBitmapEncoder, iid))
1805     {
1806         *ppv = &This->IWICBitmapEncoder_iface;
1807     }
1808     else
1809     {
1810         *ppv = NULL;
1811         return E_NOINTERFACE;
1812     }
1813
1814     IUnknown_AddRef((IUnknown*)*ppv);
1815     return S_OK;
1816 }
1817
1818 static ULONG WINAPI TiffEncoder_AddRef(IWICBitmapEncoder *iface)
1819 {
1820     TiffEncoder *This = impl_from_IWICBitmapEncoder(iface);
1821     ULONG ref = InterlockedIncrement(&This->ref);
1822
1823     TRACE("(%p) refcount=%u\n", iface, ref);
1824
1825     return ref;
1826 }
1827
1828 static ULONG WINAPI TiffEncoder_Release(IWICBitmapEncoder *iface)
1829 {
1830     TiffEncoder *This = impl_from_IWICBitmapEncoder(iface);
1831     ULONG ref = InterlockedDecrement(&This->ref);
1832
1833     TRACE("(%p) refcount=%u\n", iface, ref);
1834
1835     if (ref == 0)
1836     {
1837         if (This->tiff) pTIFFClose(This->tiff);
1838         if (This->stream) IStream_Release(This->stream);
1839         This->lock.DebugInfo->Spare[0] = 0;
1840         DeleteCriticalSection(&This->lock);
1841         HeapFree(GetProcessHeap(), 0, This);
1842     }
1843
1844     return ref;
1845 }
1846
1847 static HRESULT WINAPI TiffEncoder_Initialize(IWICBitmapEncoder *iface,
1848     IStream *pIStream, WICBitmapEncoderCacheOption cacheOption)
1849 {
1850     TiffEncoder *This = impl_from_IWICBitmapEncoder(iface);
1851     TIFF *tiff;
1852     HRESULT hr=S_OK;
1853
1854     TRACE("(%p,%p,%u)\n", iface, pIStream, cacheOption);
1855
1856     EnterCriticalSection(&This->lock);
1857
1858     if (This->initialized || This->committed)
1859     {
1860         hr = WINCODEC_ERR_WRONGSTATE;
1861         goto exit;
1862     }
1863
1864     tiff = tiff_open_stream(pIStream, "w");
1865
1866     if (!tiff)
1867     {
1868         hr = E_FAIL;
1869         goto exit;
1870     }
1871
1872     This->tiff = tiff;
1873     This->stream = pIStream;
1874     IStream_AddRef(pIStream);
1875     This->initialized = TRUE;
1876
1877 exit:
1878     LeaveCriticalSection(&This->lock);
1879     return hr;
1880 }
1881
1882 static HRESULT WINAPI TiffEncoder_GetContainerFormat(IWICBitmapEncoder *iface,
1883     GUID *pguidContainerFormat)
1884 {
1885     memcpy(pguidContainerFormat, &GUID_ContainerFormatTiff, sizeof(GUID));
1886     return S_OK;
1887 }
1888
1889 static HRESULT WINAPI TiffEncoder_GetEncoderInfo(IWICBitmapEncoder *iface,
1890     IWICBitmapEncoderInfo **ppIEncoderInfo)
1891 {
1892     FIXME("(%p,%p): stub\n", iface, ppIEncoderInfo);
1893     return E_NOTIMPL;
1894 }
1895
1896 static HRESULT WINAPI TiffEncoder_SetColorContexts(IWICBitmapEncoder *iface,
1897     UINT cCount, IWICColorContext **ppIColorContext)
1898 {
1899     FIXME("(%p,%u,%p): stub\n", iface, cCount, ppIColorContext);
1900     return E_NOTIMPL;
1901 }
1902
1903 static HRESULT WINAPI TiffEncoder_SetPalette(IWICBitmapEncoder *iface, IWICPalette *palette)
1904 {
1905     TiffEncoder *This = impl_from_IWICBitmapEncoder(iface);
1906     HRESULT hr;
1907
1908     TRACE("(%p,%p)\n", iface, palette);
1909
1910     EnterCriticalSection(&This->lock);
1911
1912     hr = This->stream ? WINCODEC_ERR_UNSUPPORTEDOPERATION : WINCODEC_ERR_NOTINITIALIZED;
1913
1914     LeaveCriticalSection(&This->lock);
1915
1916     return hr;
1917 }
1918
1919 static HRESULT WINAPI TiffEncoder_SetThumbnail(IWICBitmapEncoder *iface, IWICBitmapSource *pIThumbnail)
1920 {
1921     TRACE("(%p,%p)\n", iface, pIThumbnail);
1922     return WINCODEC_ERR_UNSUPPORTEDOPERATION;
1923 }
1924
1925 static HRESULT WINAPI TiffEncoder_SetPreview(IWICBitmapEncoder *iface, IWICBitmapSource *pIPreview)
1926 {
1927     TRACE("(%p,%p)\n", iface, pIPreview);
1928     return WINCODEC_ERR_UNSUPPORTEDOPERATION;
1929 }
1930
1931 static HRESULT WINAPI TiffEncoder_CreateNewFrame(IWICBitmapEncoder *iface,
1932     IWICBitmapFrameEncode **ppIFrameEncode, IPropertyBag2 **ppIEncoderOptions)
1933 {
1934     TiffEncoder *This = impl_from_IWICBitmapEncoder(iface);
1935     TiffFrameEncode *result;
1936     static const PROPBAG2 opts[2] =
1937     {
1938         { PROPBAG2_TYPE_DATA, VT_UI1, 0, 0, (LPOLESTR)wszTiffCompressionMethod },
1939         { PROPBAG2_TYPE_DATA, VT_R4,  0, 0, (LPOLESTR)wszCompressionQuality },
1940     };
1941     HRESULT hr=S_OK;
1942
1943     TRACE("(%p,%p,%p)\n", iface, ppIFrameEncode, ppIEncoderOptions);
1944
1945     EnterCriticalSection(&This->lock);
1946
1947     if (!This->initialized || This->committed)
1948     {
1949         hr = WINCODEC_ERR_WRONGSTATE;
1950     }
1951     else if (This->num_frames != This->num_frames_committed)
1952     {
1953         FIXME("New frame created before previous frame was committed\n");
1954         hr = E_FAIL;
1955     }
1956
1957     if (ppIEncoderOptions && SUCCEEDED(hr))
1958     {
1959         hr = CreatePropertyBag2(opts, sizeof(opts)/sizeof(opts[0]), ppIEncoderOptions);
1960         if (SUCCEEDED(hr))
1961         {
1962             VARIANT v;
1963             VariantInit(&v);
1964             V_VT(&v) = VT_UI1;
1965             V_UNION(&v, bVal) = WICTiffCompressionDontCare;
1966             hr = IPropertyBag2_Write(*ppIEncoderOptions, 1, (PROPBAG2 *)opts, &v);
1967             VariantClear(&v);
1968             if (FAILED(hr))
1969             {
1970                 IPropertyBag2_Release(*ppIEncoderOptions);
1971                 *ppIEncoderOptions = NULL;
1972             }
1973         }
1974     }
1975
1976     if (SUCCEEDED(hr))
1977     {
1978         result = HeapAlloc(GetProcessHeap(), 0, sizeof(*result));
1979
1980         if (result)
1981         {
1982             result->IWICBitmapFrameEncode_iface.lpVtbl = &TiffFrameEncode_Vtbl;
1983             result->ref = 1;
1984             result->parent = This;
1985             result->initialized = FALSE;
1986             result->info_written = FALSE;
1987             result->committed = FALSE;
1988             result->format = NULL;
1989             result->width = 0;
1990             result->height = 0;
1991             result->xres = 0.0;
1992             result->yres = 0.0;
1993             result->lines_written = 0;
1994             result->colors = 0;
1995
1996             IWICBitmapEncoder_AddRef(iface);
1997             *ppIFrameEncode = &result->IWICBitmapFrameEncode_iface;
1998
1999             if (This->num_frames != 0)
2000                 pTIFFWriteDirectory(This->tiff);
2001
2002             This->num_frames++;
2003         }
2004         else
2005             hr = E_OUTOFMEMORY;
2006
2007         if (FAILED(hr))
2008         {
2009             IPropertyBag2_Release(*ppIEncoderOptions);
2010             *ppIEncoderOptions = NULL;
2011         }
2012     }
2013
2014     LeaveCriticalSection(&This->lock);
2015
2016     return hr;
2017 }
2018
2019 static HRESULT WINAPI TiffEncoder_Commit(IWICBitmapEncoder *iface)
2020 {
2021     TiffEncoder *This = impl_from_IWICBitmapEncoder(iface);
2022
2023     TRACE("(%p)\n", iface);
2024
2025     EnterCriticalSection(&This->lock);
2026
2027     if (!This->initialized || This->committed)
2028     {
2029         LeaveCriticalSection(&This->lock);
2030         return WINCODEC_ERR_WRONGSTATE;
2031     }
2032
2033     pTIFFClose(This->tiff);
2034     IStream_Release(This->stream);
2035     This->stream = NULL;
2036     This->tiff = NULL;
2037
2038     This->committed = TRUE;
2039
2040     LeaveCriticalSection(&This->lock);
2041
2042     return S_OK;
2043 }
2044
2045 static HRESULT WINAPI TiffEncoder_GetMetadataQueryWriter(IWICBitmapEncoder *iface,
2046     IWICMetadataQueryWriter **ppIMetadataQueryWriter)
2047 {
2048     FIXME("(%p,%p): stub\n", iface, ppIMetadataQueryWriter);
2049     return E_NOTIMPL;
2050 }
2051
2052 static const IWICBitmapEncoderVtbl TiffEncoder_Vtbl = {
2053     TiffEncoder_QueryInterface,
2054     TiffEncoder_AddRef,
2055     TiffEncoder_Release,
2056     TiffEncoder_Initialize,
2057     TiffEncoder_GetContainerFormat,
2058     TiffEncoder_GetEncoderInfo,
2059     TiffEncoder_SetColorContexts,
2060     TiffEncoder_SetPalette,
2061     TiffEncoder_SetThumbnail,
2062     TiffEncoder_SetPreview,
2063     TiffEncoder_CreateNewFrame,
2064     TiffEncoder_Commit,
2065     TiffEncoder_GetMetadataQueryWriter
2066 };
2067
2068 HRESULT TiffEncoder_CreateInstance(REFIID iid, void** ppv)
2069 {
2070     TiffEncoder *This;
2071     HRESULT ret;
2072
2073     TRACE("(%s,%p)\n", debugstr_guid(iid), ppv);
2074
2075     *ppv = NULL;
2076
2077     if (!load_libtiff())
2078     {
2079         ERR("Failed writing TIFF because unable to load %s\n",SONAME_LIBTIFF);
2080         return E_FAIL;
2081     }
2082
2083     This = HeapAlloc(GetProcessHeap(), 0, sizeof(TiffEncoder));
2084     if (!This) return E_OUTOFMEMORY;
2085
2086     This->IWICBitmapEncoder_iface.lpVtbl = &TiffEncoder_Vtbl;
2087     This->ref = 1;
2088     This->stream = NULL;
2089     InitializeCriticalSection(&This->lock);
2090     This->lock.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": TiffEncoder.lock");
2091     This->tiff = NULL;
2092     This->initialized = FALSE;
2093     This->num_frames = 0;
2094     This->num_frames_committed = 0;
2095     This->committed = FALSE;
2096
2097     ret = IWICBitmapEncoder_QueryInterface(&This->IWICBitmapEncoder_iface, iid, ppv);
2098     IWICBitmapEncoder_Release(&This->IWICBitmapEncoder_iface);
2099
2100     return ret;
2101 }
2102
2103 #else /* !SONAME_LIBTIFF */
2104
2105 HRESULT TiffDecoder_CreateInstance(REFIID iid, void** ppv)
2106 {
2107     ERR("Trying to load TIFF picture, but Wine was compiled without TIFF support.\n");
2108     return E_FAIL;
2109 }
2110
2111 HRESULT TiffEncoder_CreateInstance(REFIID iid, void** ppv)
2112 {
2113     ERR("Trying to save TIFF picture, but Wine was compiled without TIFF support.\n");
2114     return E_FAIL;
2115 }
2116
2117 #endif