dlls/windowscodecs/regsvr.c

   1 /*
   2  * Copyright 2009 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 #define COBJMACROS
  20 #include <stdarg.h>
  21 #include <string.h>
  22
  23 #include "windef.h"
  24 #include "winbase.h"
  25 #include "wingdi.h"
  26 #include "winuser.h"
  27 #include "winreg.h"
  28 #include "winerror.h"
  29
  30 #include "objbase.h"
  31 #include "ocidl.h"
  32
  33 #include "wine/debug.h"
  34 #include "wine/unicode.h"
  35
  36 #include "wincodecs_private.h"
  37
  38 WINE_DEFAULT_DEBUG_CHANNEL(wincodecs);
  39
  40 /***********************************************************************
  41  *              interface for self-registering
  42  */
  43 struct decoder_pattern
  44 {
  45     DWORD length;    /* 0 for end of list */
  46     DWORD position;
  47     const BYTE *pattern;
  48     const BYTE *mask;
  49     DWORD endofstream;
  50 };
  51
  52 struct regsvr_decoder
  53 {
  54     CLSID const *clsid;         /* NULL for end of list */
  55     LPCSTR author;
  56     LPCSTR friendlyname;
  57     LPCSTR version;
  58     GUID const *vendor;
  59     GUID const *container_format;
  60     LPCSTR mimetypes;
  61     LPCSTR extensions;
  62     GUID const * const *formats;
  63     const struct decoder_pattern *patterns;
  64 };
  65
  66 static HRESULT register_decoders(struct regsvr_decoder const *list);
  67 static HRESULT unregister_decoders(struct regsvr_decoder const *list);
  68
  69 struct regsvr_encoder
  70 {
  71     CLSID const *clsid;         /* NULL for end of list */
  72     LPCSTR author;
  73     LPCSTR friendlyname;
  74     LPCSTR version;
  75     GUID const *vendor;
  76     GUID const *container_format;
  77     LPCSTR mimetypes;
  78     LPCSTR extensions;
  79     GUID const * const *formats;
  80 };
  81
  82 static HRESULT register_encoders(struct regsvr_encoder const *list);
  83 static HRESULT unregister_encoders(struct regsvr_encoder const *list);
  84
  85 struct regsvr_converter
  86 {
  87     CLSID const *clsid;         /* NULL for end of list */
  88     LPCSTR author;
  89     LPCSTR friendlyname;
  90     LPCSTR version;
  91     GUID const *vendor;
  92     GUID const * const *formats;
  93 };
  94
  95 static HRESULT register_converters(struct regsvr_converter const *list);
  96 static HRESULT unregister_converters(struct regsvr_converter const *list);
  97
  98 struct metadata_pattern
  99 {
 100     DWORD position;
 101     DWORD length;
 102     const BYTE *pattern;
 103     const BYTE *mask;
 104     DWORD data_offset;
 105 };
 106
 107 struct reader_containers
 108 {
 109     GUID const *format;
 110     const struct metadata_pattern *patterns;
 111 };
 112
 113 struct regsvr_metadatareader
 114 {
 115     CLSID const *clsid;         /* NULL for end of list */
 116     LPCSTR author;
 117     LPCSTR friendlyname;
 118     LPCSTR version;
 119     LPCSTR specversion;
 120     GUID const *vendor;
 121     GUID const *metadata_format;
 122     DWORD requires_fullstream;
 123     DWORD supports_padding;
 124     DWORD requires_fixedsize;
 125     const struct reader_containers *containers;
 126 };
 127
 128 static HRESULT register_metadatareaders(struct regsvr_metadatareader const *list);
 129 static HRESULT unregister_metadatareaders(struct regsvr_metadatareader const *list);
 130
 131 struct regsvr_pixelformat
 132 {
 133     CLSID const *clsid;         /* NULL for end of list */
 134     LPCSTR author;
 135     LPCSTR friendlyname;
 136     LPCSTR version;
 137     GUID const *vendor;
 138     UINT bitsperpixel;
 139     UINT channelcount;
 140     BYTE const * const *channelmasks;
 141     WICPixelFormatNumericRepresentation numericrepresentation;
 142     UINT supportsalpha;
 143 };
 144
 145 static HRESULT register_pixelformats(struct regsvr_pixelformat const *list);
 146 static HRESULT unregister_pixelformats(struct regsvr_pixelformat const *list);
 147
 148 /***********************************************************************
 149  *              static string constants
 150  */
 151 static const WCHAR clsid_keyname[] = {
 152     'C', 'L', 'S', 'I', 'D', 0 };
 153 static const char author_valuename[] = "Author";
 154 static const char friendlyname_valuename[] = "FriendlyName";
 155 static const WCHAR vendor_valuename[] = {'V','e','n','d','o','r',0};
 156 static const WCHAR containerformat_valuename[] = {'C','o','n','t','a','i','n','e','r','F','o','r','m','a','t',0};
 157 static const char version_valuename[] = "Version";
 158 static const char mimetypes_valuename[] = "MimeTypes";
 159 static const char extensions_valuename[] = "FileExtensions";
 160 static const WCHAR formats_keyname[] = {'F','o','r','m','a','t','s',0};
 161 static const WCHAR patterns_keyname[] = {'P','a','t','t','e','r','n','s',0};
 162 static const WCHAR instance_keyname[] = {'I','n','s','t','a','n','c','e',0};
 163 static const WCHAR clsid_valuename[] = {'C','L','S','I','D',0};
 164 static const char length_valuename[] = "Length";
 165 static const char position_valuename[] = "Position";
 166 static const char pattern_valuename[] = "Pattern";
 167 static const char mask_valuename[] = "Mask";
 168 static const char endofstream_valuename[] = "EndOfStream";
 169 static const WCHAR pixelformats_keyname[] = {'P','i','x','e','l','F','o','r','m','a','t','s',0};
 170 static const WCHAR metadataformat_valuename[] = {'M','e','t','a','d','a','t','a','F','o','r','m','a','t',0};
 171 static const char specversion_valuename[] = "SpecVersion";
 172 static const char requiresfullstream_valuename[] = "RequiresFullStream";
 173 static const char supportspadding_valuename[] = "SupportsPadding";
 174 static const char requiresfixedsize_valuename[] = "FixedSize";
 175 static const WCHAR containers_keyname[] = {'C','o','n','t','a','i','n','e','r','s',0};
 176 static const char dataoffset_valuename[] = "DataOffset";
 177 static const char bitsperpixel_valuename[] = "BitLength";
 178 static const char channelcount_valuename[] = "ChannelCount";
 179 static const char numericrepresentation_valuename[] = "NumericRepresentation";
 180 static const char supportstransparency_valuename[] = "SupportsTransparency";
 181 static const WCHAR channelmasks_keyname[] = {'C','h','a','n','n','e','l','M','a','s','k','s',0};
 182
 183 /***********************************************************************
 184  *              register_decoders
 185  */
 186 static HRESULT register_decoders(struct regsvr_decoder const *list)
 187 {
 188     LONG res = ERROR_SUCCESS;
 189     HKEY coclass_key;
 190     WCHAR buf[39];
 191     HKEY decoders_key;
 192     HKEY instance_key;
 193
 194     res = RegCreateKeyExW(HKEY_CLASSES_ROOT, clsid_keyname, 0, NULL, 0,
 195                           KEY_READ | KEY_WRITE, NULL, &coclass_key, NULL);
 196     if (res == ERROR_SUCCESS)  {
 197         StringFromGUID2(&CATID_WICBitmapDecoders, buf, 39);
 198         res = RegCreateKeyExW(coclass_key, buf, 0, NULL, 0,
 199                               KEY_READ | KEY_WRITE, NULL, &decoders_key, NULL);
 200         if (res == ERROR_SUCCESS)
 201         {
 202             res = RegCreateKeyExW(decoders_key, instance_keyname, 0, NULL, 0,
 203                               KEY_READ | KEY_WRITE, NULL, &instance_key, NULL);
 204             if (res != ERROR_SUCCESS) goto error_close_coclass_key;
 205         }
 206         if (res != ERROR_SUCCESS)
 207             RegCloseKey(coclass_key);
 208     }
 209     if (res != ERROR_SUCCESS) goto error_return;
 210
 211     for (; res == ERROR_SUCCESS && list->clsid; ++list) {
 212         HKEY clsid_key;
 213         HKEY instance_clsid_key;
 214
 215         StringFromGUID2(list->clsid, buf, 39);
 216         res = RegCreateKeyExW(coclass_key, buf, 0, NULL, 0,
 217                               KEY_READ | KEY_WRITE, NULL, &clsid_key, NULL);
 218         if (res != ERROR_SUCCESS) goto error_close_coclass_key;
 219
 220         StringFromGUID2(list->clsid, buf, 39);
 221         res = RegCreateKeyExW(instance_key, buf, 0, NULL, 0,
 222                               KEY_READ | KEY_WRITE, NULL, &instance_clsid_key, NULL);
 223         if (res == ERROR_SUCCESS) {
 224             res = RegSetValueExW(instance_clsid_key, clsid_valuename, 0, REG_SZ,
 225                                  (const BYTE*)buf, 78);
 226             RegCloseKey(instance_clsid_key);
 227         }
 228         if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 229
 230         if (list->author) {
 231             res = RegSetValueExA(clsid_key, author_valuename, 0, REG_SZ,
 232                                  (const BYTE*)list->author,
 233                                  strlen(list->author) + 1);
 234             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 235         }
 236
 237         if (list->friendlyname) {
 238             res = RegSetValueExA(clsid_key, friendlyname_valuename, 0, REG_SZ,
 239                                  (const BYTE*)list->friendlyname,
 240                                  strlen(list->friendlyname) + 1);
 241             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 242         }
 243
 244         if (list->vendor) {
 245             StringFromGUID2(list->vendor, buf, 39);
 246             res = RegSetValueExW(clsid_key, vendor_valuename, 0, REG_SZ,
 247                                  (const BYTE*)buf, 78);
 248             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 249         }
 250
 251         if (list->container_format) {
 252             StringFromGUID2(list->container_format, buf, 39);
 253             res = RegSetValueExW(clsid_key, containerformat_valuename, 0, REG_SZ,
 254                                  (const BYTE*)buf, 78);
 255             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 256         }
 257
 258         if (list->version) {
 259             res = RegSetValueExA(clsid_key, version_valuename, 0, REG_SZ,
 260                                  (const BYTE*)list->version,
 261                                  strlen(list->version) + 1);
 262             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 263         }
 264
 265         if (list->mimetypes) {
 266             res = RegSetValueExA(clsid_key, mimetypes_valuename, 0, REG_SZ,
 267                                  (const BYTE*)list->mimetypes,
 268                                  strlen(list->mimetypes) + 1);
 269             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 270         }
 271
 272         if (list->extensions) {
 273             res = RegSetValueExA(clsid_key, extensions_valuename, 0, REG_SZ,
 274                                  (const BYTE*)list->extensions,
 275                                  strlen(list->extensions) + 1);
 276             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 277         }
 278
 279         if (list->formats) {
 280             HKEY formats_key;
 281             GUID const * const *format;
 282
 283             res = RegCreateKeyExW(clsid_key, formats_keyname, 0, NULL, 0,
 284                                   KEY_READ | KEY_WRITE, NULL, &formats_key, NULL);
 285             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 286             for (format=list->formats; *format; ++format)
 287             {
 288                 HKEY format_key;
 289                 StringFromGUID2(*format, buf, 39);
 290                 res = RegCreateKeyExW(formats_key, buf, 0, NULL, 0,
 291                                       KEY_READ | KEY_WRITE, NULL, &format_key, NULL);
 292                 if (res != ERROR_SUCCESS) break;
 293                 RegCloseKey(format_key);
 294             }
 295             RegCloseKey(formats_key);
 296             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 297         }
 298
 299         if (list->patterns) {
 300             HKEY patterns_key;
 301             int i;
 302
 303             res = RegCreateKeyExW(clsid_key, patterns_keyname, 0, NULL, 0,
 304                                   KEY_READ | KEY_WRITE, NULL, &patterns_key, NULL);
 305             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 306             for (i=0; list->patterns[i].length; i++)
 307             {
 308                 HKEY pattern_key;
 309                 static const WCHAR int_format[] = {'%','i',0};
 310                 snprintfW(buf, 39, int_format, i);
 311                 res = RegCreateKeyExW(patterns_key, buf, 0, NULL, 0,
 312                                       KEY_READ | KEY_WRITE, NULL, &pattern_key, NULL);
 313                 if (res != ERROR_SUCCESS) break;
 314                 res = RegSetValueExA(pattern_key, length_valuename, 0, REG_DWORD,
 315                                      (const BYTE*)&list->patterns[i].length, 4);
 316                 if (res == ERROR_SUCCESS)
 317                     res = RegSetValueExA(pattern_key, position_valuename, 0, REG_DWORD,
 318                                          (const BYTE*)&list->patterns[i].position, 4);
 319                 if (res == ERROR_SUCCESS)
 320                     res = RegSetValueExA(pattern_key, pattern_valuename, 0, REG_BINARY,
 321                                          list->patterns[i].pattern,
 322                                          list->patterns[i].length);
 323                 if (res == ERROR_SUCCESS)
 324                     res = RegSetValueExA(pattern_key, mask_valuename, 0, REG_BINARY,
 325                                          list->patterns[i].mask,
 326                                          list->patterns[i].length);
 327                 if (res == ERROR_SUCCESS)
 328                     res = RegSetValueExA(pattern_key, endofstream_valuename, 0, REG_DWORD,
 329                                          (const BYTE*)&list->patterns[i].endofstream, 4);
 330                 RegCloseKey(pattern_key);
 331             }
 332             RegCloseKey(patterns_key);
 333             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 334         }
 335
 336     error_close_clsid_key:
 337         RegCloseKey(clsid_key);
 338     }
 339
 340 error_close_coclass_key:
 341     RegCloseKey(instance_key);
 342     RegCloseKey(decoders_key);
 343     RegCloseKey(coclass_key);
 344 error_return:
 345     return res != ERROR_SUCCESS ? HRESULT_FROM_WIN32(res) : S_OK;
 346 }
 347
 348 /***********************************************************************
 349  *              unregister_decoders
 350  */
 351 static HRESULT unregister_decoders(struct regsvr_decoder const *list)
 352 {
 353     LONG res = ERROR_SUCCESS;
 354     HKEY coclass_key;
 355     WCHAR buf[39];
 356     HKEY decoders_key;
 357     HKEY instance_key;
 358
 359     res = RegOpenKeyExW(HKEY_CLASSES_ROOT, clsid_keyname, 0,
 360                         KEY_READ | KEY_WRITE, &coclass_key);
 361     if (res == ERROR_FILE_NOT_FOUND) return S_OK;
 362
 363     if (res == ERROR_SUCCESS)  {
 364         StringFromGUID2(&CATID_WICBitmapDecoders, buf, 39);
 365         res = RegCreateKeyExW(coclass_key, buf, 0, NULL, 0,
 366                               KEY_READ | KEY_WRITE, NULL, &decoders_key, NULL);
 367         if (res == ERROR_SUCCESS)
 368         {
 369             res = RegCreateKeyExW(decoders_key, instance_keyname, 0, NULL, 0,
 370                               KEY_READ | KEY_WRITE, NULL, &instance_key, NULL);
 371             if (res != ERROR_SUCCESS) goto error_close_coclass_key;
 372         }
 373         if (res != ERROR_SUCCESS)
 374             RegCloseKey(coclass_key);
 375     }
 376     if (res != ERROR_SUCCESS) goto error_return;
 377
 378     for (; res == ERROR_SUCCESS && list->clsid; ++list) {
 379         StringFromGUID2(list->clsid, buf, 39);
 380
 381         res = RegDeleteTreeW(coclass_key, buf);
 382         if (res == ERROR_FILE_NOT_FOUND) res = ERROR_SUCCESS;
 383         if (res != ERROR_SUCCESS) goto error_close_coclass_key;
 384
 385         res = RegDeleteTreeW(instance_key, buf);
 386         if (res == ERROR_FILE_NOT_FOUND) res = ERROR_SUCCESS;
 387         if (res != ERROR_SUCCESS) goto error_close_coclass_key;
 388     }
 389
 390 error_close_coclass_key:
 391     RegCloseKey(instance_key);
 392     RegCloseKey(decoders_key);
 393     RegCloseKey(coclass_key);
 394 error_return:
 395     return res != ERROR_SUCCESS ? HRESULT_FROM_WIN32(res) : S_OK;
 396 }
 397
 398 /***********************************************************************
 399  *              register_encoders
 400  */
 401 static HRESULT register_encoders(struct regsvr_encoder const *list)
 402 {
 403     LONG res = ERROR_SUCCESS;
 404     HKEY coclass_key;
 405     WCHAR buf[39];
 406     HKEY encoders_key;
 407     HKEY instance_key;
 408
 409     res = RegCreateKeyExW(HKEY_CLASSES_ROOT, clsid_keyname, 0, NULL, 0,
 410                           KEY_READ | KEY_WRITE, NULL, &coclass_key, NULL);
 411     if (res == ERROR_SUCCESS)  {
 412         StringFromGUID2(&CATID_WICBitmapEncoders, buf, 39);
 413         res = RegCreateKeyExW(coclass_key, buf, 0, NULL, 0,
 414                               KEY_READ | KEY_WRITE, NULL, &encoders_key, NULL);
 415         if (res == ERROR_SUCCESS)
 416         {
 417             res = RegCreateKeyExW(encoders_key, instance_keyname, 0, NULL, 0,
 418                               KEY_READ | KEY_WRITE, NULL, &instance_key, NULL);
 419             if (res != ERROR_SUCCESS) goto error_close_coclass_key;
 420         }
 421         if (res != ERROR_SUCCESS)
 422             RegCloseKey(coclass_key);
 423     }
 424     if (res != ERROR_SUCCESS) goto error_return;
 425
 426     for (; res == ERROR_SUCCESS && list->clsid; ++list) {
 427         HKEY clsid_key;
 428         HKEY instance_clsid_key;
 429
 430         StringFromGUID2(list->clsid, buf, 39);
 431         res = RegCreateKeyExW(coclass_key, buf, 0, NULL, 0,
 432                               KEY_READ | KEY_WRITE, NULL, &clsid_key, NULL);
 433         if (res != ERROR_SUCCESS) goto error_close_coclass_key;
 434
 435         StringFromGUID2(list->clsid, buf, 39);
 436         res = RegCreateKeyExW(instance_key, buf, 0, NULL, 0,
 437                               KEY_READ | KEY_WRITE, NULL, &instance_clsid_key, NULL);
 438         if (res == ERROR_SUCCESS) {
 439             res = RegSetValueExW(instance_clsid_key, clsid_valuename, 0, REG_SZ,
 440                                  (const BYTE*)buf, 78);
 441             RegCloseKey(instance_clsid_key);
 442         }
 443         if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 444
 445         if (list->author) {
 446             res = RegSetValueExA(clsid_key, author_valuename, 0, REG_SZ,
 447                                  (const BYTE*)list->author,
 448                                  strlen(list->author) + 1);
 449             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 450         }
 451
 452         if (list->friendlyname) {
 453             res = RegSetValueExA(clsid_key, friendlyname_valuename, 0, REG_SZ,
 454                                  (const BYTE*)list->friendlyname,
 455                                  strlen(list->friendlyname) + 1);
 456             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 457         }
 458
 459         if (list->vendor) {
 460             StringFromGUID2(list->vendor, buf, 39);
 461             res = RegSetValueExW(clsid_key, vendor_valuename, 0, REG_SZ,
 462                                  (const BYTE*)buf, 78);
 463             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 464         }
 465
 466         if (list->container_format) {
 467             StringFromGUID2(list->container_format, buf, 39);
 468             res = RegSetValueExW(clsid_key, containerformat_valuename, 0, REG_SZ,
 469                                  (const BYTE*)buf, 78);
 470             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 471         }
 472
 473         if (list->version) {
 474             res = RegSetValueExA(clsid_key, version_valuename, 0, REG_SZ,
 475                                  (const BYTE*)list->version,
 476                                  strlen(list->version) + 1);
 477             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 478         }
 479
 480         if (list->mimetypes) {
 481             res = RegSetValueExA(clsid_key, mimetypes_valuename, 0, REG_SZ,
 482                                  (const BYTE*)list->mimetypes,
 483                                  strlen(list->mimetypes) + 1);
 484             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 485         }
 486
 487         if (list->extensions) {
 488             res = RegSetValueExA(clsid_key, extensions_valuename, 0, REG_SZ,
 489                                  (const BYTE*)list->extensions,
 490                                  strlen(list->extensions) + 1);
 491             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 492         }
 493
 494         if (list->formats) {
 495             HKEY formats_key;
 496             GUID const * const *format;
 497
 498             res = RegCreateKeyExW(clsid_key, formats_keyname, 0, NULL, 0,
 499                                   KEY_READ | KEY_WRITE, NULL, &formats_key, NULL);
 500             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 501             for (format=list->formats; *format; ++format)
 502             {
 503                 HKEY format_key;
 504                 StringFromGUID2(*format, buf, 39);
 505                 res = RegCreateKeyExW(formats_key, buf, 0, NULL, 0,
 506                                       KEY_READ | KEY_WRITE, NULL, &format_key, NULL);
 507                 if (res != ERROR_SUCCESS) break;
 508                 RegCloseKey(format_key);
 509             }
 510             RegCloseKey(formats_key);
 511             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 512         }
 513
 514     error_close_clsid_key:
 515         RegCloseKey(clsid_key);
 516     }
 517
 518 error_close_coclass_key:
 519     RegCloseKey(instance_key);
 520     RegCloseKey(encoders_key);
 521     RegCloseKey(coclass_key);
 522 error_return:
 523     return res != ERROR_SUCCESS ? HRESULT_FROM_WIN32(res) : S_OK;
 524 }
 525
 526 /***********************************************************************
 527  *              unregister_encoders
 528  */
 529 static HRESULT unregister_encoders(struct regsvr_encoder const *list)
 530 {
 531     LONG res = ERROR_SUCCESS;
 532     HKEY coclass_key;
 533     WCHAR buf[39];
 534     HKEY encoders_key;
 535     HKEY instance_key;
 536
 537     res = RegOpenKeyExW(HKEY_CLASSES_ROOT, clsid_keyname, 0,
 538                         KEY_READ | KEY_WRITE, &coclass_key);
 539     if (res == ERROR_FILE_NOT_FOUND) return S_OK;
 540
 541     if (res == ERROR_SUCCESS)  {
 542         StringFromGUID2(&CATID_WICBitmapEncoders, buf, 39);
 543         res = RegCreateKeyExW(coclass_key, buf, 0, NULL, 0,
 544                               KEY_READ | KEY_WRITE, NULL, &encoders_key, NULL);
 545         if (res == ERROR_SUCCESS)
 546         {
 547             res = RegCreateKeyExW(encoders_key, instance_keyname, 0, NULL, 0,
 548                               KEY_READ | KEY_WRITE, NULL, &instance_key, NULL);
 549             if (res != ERROR_SUCCESS) goto error_close_coclass_key;
 550         }
 551         if (res != ERROR_SUCCESS)
 552             RegCloseKey(coclass_key);
 553     }
 554     if (res != ERROR_SUCCESS) goto error_return;
 555
 556     for (; res == ERROR_SUCCESS && list->clsid; ++list) {
 557         StringFromGUID2(list->clsid, buf, 39);
 558
 559         res = RegDeleteTreeW(coclass_key, buf);
 560         if (res == ERROR_FILE_NOT_FOUND) res = ERROR_SUCCESS;
 561         if (res != ERROR_SUCCESS) goto error_close_coclass_key;
 562
 563         res = RegDeleteTreeW(instance_key, buf);
 564         if (res == ERROR_FILE_NOT_FOUND) res = ERROR_SUCCESS;
 565         if (res != ERROR_SUCCESS) goto error_close_coclass_key;
 566     }
 567
 568 error_close_coclass_key:
 569     RegCloseKey(instance_key);
 570     RegCloseKey(encoders_key);
 571     RegCloseKey(coclass_key);
 572 error_return:
 573     return res != ERROR_SUCCESS ? HRESULT_FROM_WIN32(res) : S_OK;
 574 }
 575
 576 /***********************************************************************
 577  *              register_converters
 578  */
 579 static HRESULT register_converters(struct regsvr_converter const *list)
 580 {
 581     LONG res = ERROR_SUCCESS;
 582     HKEY coclass_key;
 583     WCHAR buf[39];
 584     HKEY converters_key;
 585     HKEY instance_key;
 586
 587     res = RegCreateKeyExW(HKEY_CLASSES_ROOT, clsid_keyname, 0, NULL, 0,
 588                           KEY_READ | KEY_WRITE, NULL, &coclass_key, NULL);
 589     if (res == ERROR_SUCCESS)  {
 590         StringFromGUID2(&CATID_WICFormatConverters, buf, 39);
 591         res = RegCreateKeyExW(coclass_key, buf, 0, NULL, 0,
 592                               KEY_READ | KEY_WRITE, NULL, &converters_key, NULL);
 593         if (res == ERROR_SUCCESS)
 594         {
 595             res = RegCreateKeyExW(converters_key, instance_keyname, 0, NULL, 0,
 596                               KEY_READ | KEY_WRITE, NULL, &instance_key, NULL);
 597             if (res != ERROR_SUCCESS) goto error_close_coclass_key;
 598         }
 599         if (res != ERROR_SUCCESS)
 600             RegCloseKey(coclass_key);
 601     }
 602     if (res != ERROR_SUCCESS) goto error_return;
 603
 604     for (; res == ERROR_SUCCESS && list->clsid; ++list) {
 605         HKEY clsid_key;
 606         HKEY instance_clsid_key;
 607
 608         StringFromGUID2(list->clsid, buf, 39);
 609         res = RegCreateKeyExW(coclass_key, buf, 0, NULL, 0,
 610                               KEY_READ | KEY_WRITE, NULL, &clsid_key, NULL);
 611         if (res != ERROR_SUCCESS) goto error_close_coclass_key;
 612
 613         StringFromGUID2(list->clsid, buf, 39);
 614         res = RegCreateKeyExW(instance_key, buf, 0, NULL, 0,
 615                               KEY_READ | KEY_WRITE, NULL, &instance_clsid_key, NULL);
 616         if (res == ERROR_SUCCESS) {
 617             res = RegSetValueExW(instance_clsid_key, clsid_valuename, 0, REG_SZ,
 618                                  (const BYTE*)buf, 78);
 619             RegCloseKey(instance_clsid_key);
 620         }
 621         if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 622
 623         if (list->author) {
 624             res = RegSetValueExA(clsid_key, author_valuename, 0, REG_SZ,
 625                                  (const BYTE*)list->author,
 626                                  strlen(list->author) + 1);
 627             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 628         }
 629
 630         if (list->friendlyname) {
 631             res = RegSetValueExA(clsid_key, friendlyname_valuename, 0, REG_SZ,
 632                                  (const BYTE*)list->friendlyname,
 633                                  strlen(list->friendlyname) + 1);
 634             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 635         }
 636
 637         if (list->vendor) {
 638             StringFromGUID2(list->vendor, buf, 39);
 639             res = RegSetValueExW(clsid_key, vendor_valuename, 0, REG_SZ,
 640                                  (const BYTE*)buf, 78);
 641             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 642         }
 643
 644         if (list->version) {
 645             res = RegSetValueExA(clsid_key, version_valuename, 0, REG_SZ,
 646                                  (const BYTE*)list->version,
 647                                  strlen(list->version) + 1);
 648             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 649         }
 650
 651         if (list->formats) {
 652             HKEY formats_key;
 653             GUID const * const *format;
 654
 655             res = RegCreateKeyExW(clsid_key, pixelformats_keyname, 0, NULL, 0,
 656                                   KEY_READ | KEY_WRITE, NULL, &formats_key, NULL);
 657             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 658             for (format=list->formats; *format; ++format)
 659             {
 660                 HKEY format_key;
 661                 StringFromGUID2(*format, buf, 39);
 662                 res = RegCreateKeyExW(formats_key, buf, 0, NULL, 0,
 663                                       KEY_READ | KEY_WRITE, NULL, &format_key, NULL);
 664                 if (res != ERROR_SUCCESS) break;
 665                 RegCloseKey(format_key);
 666             }
 667             RegCloseKey(formats_key);
 668             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 669         }
 670
 671     error_close_clsid_key:
 672         RegCloseKey(clsid_key);
 673     }
 674
 675 error_close_coclass_key:
 676     RegCloseKey(instance_key);
 677     RegCloseKey(converters_key);
 678     RegCloseKey(coclass_key);
 679 error_return:
 680     return res != ERROR_SUCCESS ? HRESULT_FROM_WIN32(res) : S_OK;
 681 }
 682
 683 /***********************************************************************
 684  *              unregister_converters
 685  */
 686 static HRESULT unregister_converters(struct regsvr_converter const *list)
 687 {
 688     LONG res = ERROR_SUCCESS;
 689     HKEY coclass_key;
 690     WCHAR buf[39];
 691     HKEY converters_key;
 692     HKEY instance_key;
 693
 694     res = RegOpenKeyExW(HKEY_CLASSES_ROOT, clsid_keyname, 0,
 695                         KEY_READ | KEY_WRITE, &coclass_key);
 696     if (res == ERROR_FILE_NOT_FOUND) return S_OK;
 697
 698     if (res == ERROR_SUCCESS)  {
 699         StringFromGUID2(&CATID_WICFormatConverters, buf, 39);
 700         res = RegCreateKeyExW(coclass_key, buf, 0, NULL, 0,
 701                               KEY_READ | KEY_WRITE, NULL, &converters_key, NULL);
 702         if (res == ERROR_SUCCESS)
 703         {
 704             res = RegCreateKeyExW(converters_key, instance_keyname, 0, NULL, 0,
 705                               KEY_READ | KEY_WRITE, NULL, &instance_key, NULL);
 706             if (res != ERROR_SUCCESS) goto error_close_coclass_key;
 707         }
 708         if (res != ERROR_SUCCESS)
 709             RegCloseKey(coclass_key);
 710     }
 711     if (res != ERROR_SUCCESS) goto error_return;
 712
 713     for (; res == ERROR_SUCCESS && list->clsid; ++list) {
 714         StringFromGUID2(list->clsid, buf, 39);
 715
 716         res = RegDeleteTreeW(coclass_key, buf);
 717         if (res == ERROR_FILE_NOT_FOUND) res = ERROR_SUCCESS;
 718         if (res != ERROR_SUCCESS) goto error_close_coclass_key;
 719
 720         res = RegDeleteTreeW(instance_key, buf);
 721         if (res == ERROR_FILE_NOT_FOUND) res = ERROR_SUCCESS;
 722         if (res != ERROR_SUCCESS) goto error_close_coclass_key;
 723     }
 724
 725 error_close_coclass_key:
 726     RegCloseKey(instance_key);
 727     RegCloseKey(converters_key);
 728     RegCloseKey(coclass_key);
 729 error_return:
 730     return res != ERROR_SUCCESS ? HRESULT_FROM_WIN32(res) : S_OK;
 731 }
 732
 733 /***********************************************************************
 734  *              register_metadatareaders
 735  */
 736 static HRESULT register_metadatareaders(struct regsvr_metadatareader const *list)
 737 {
 738     LONG res = ERROR_SUCCESS;
 739     HKEY coclass_key;
 740     WCHAR buf[39];
 741     HKEY readers_key;
 742     HKEY instance_key;
 743
 744     res = RegCreateKeyExW(HKEY_CLASSES_ROOT, clsid_keyname, 0, NULL, 0,
 745                           KEY_READ | KEY_WRITE, NULL, &coclass_key, NULL);
 746     if (res == ERROR_SUCCESS)  {
 747         StringFromGUID2(&CATID_WICMetadataReader, buf, 39);
 748         res = RegCreateKeyExW(coclass_key, buf, 0, NULL, 0,
 749                               KEY_READ | KEY_WRITE, NULL, &readers_key, NULL);
 750         if (res == ERROR_SUCCESS)
 751         {
 752             res = RegCreateKeyExW(readers_key, instance_keyname, 0, NULL, 0,
 753                               KEY_READ | KEY_WRITE, NULL, &instance_key, NULL);
 754             if (res != ERROR_SUCCESS) goto error_close_coclass_key;
 755         }
 756         if (res != ERROR_SUCCESS)
 757             RegCloseKey(coclass_key);
 758     }
 759     if (res != ERROR_SUCCESS) goto error_return;
 760
 761     for (; res == ERROR_SUCCESS && list->clsid; ++list) {
 762         HKEY clsid_key;
 763         HKEY instance_clsid_key;
 764
 765         StringFromGUID2(list->clsid, buf, 39);
 766         res = RegCreateKeyExW(coclass_key, buf, 0, NULL, 0,
 767                               KEY_READ | KEY_WRITE, NULL, &clsid_key, NULL);
 768         if (res != ERROR_SUCCESS) goto error_close_coclass_key;
 769
 770         StringFromGUID2(list->clsid, buf, 39);
 771         res = RegCreateKeyExW(instance_key, buf, 0, NULL, 0,
 772                               KEY_READ | KEY_WRITE, NULL, &instance_clsid_key, NULL);
 773         if (res == ERROR_SUCCESS) {
 774             res = RegSetValueExW(instance_clsid_key, clsid_valuename, 0, REG_SZ,
 775                                  (const BYTE*)buf, 78);
 776             RegCloseKey(instance_clsid_key);
 777         }
 778         if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 779
 780         if (list->author) {
 781             res = RegSetValueExA(clsid_key, author_valuename, 0, REG_SZ,
 782                                  (const BYTE*)list->author,
 783                                  strlen(list->author) + 1);
 784             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 785         }
 786
 787         if (list->friendlyname) {
 788             res = RegSetValueExA(clsid_key, friendlyname_valuename, 0, REG_SZ,
 789                                  (const BYTE*)list->friendlyname,
 790                                  strlen(list->friendlyname) + 1);
 791             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 792         }
 793
 794         if (list->vendor) {
 795             StringFromGUID2(list->vendor, buf, 39);
 796             res = RegSetValueExW(clsid_key, vendor_valuename, 0, REG_SZ,
 797                                  (const BYTE*)buf, 78);
 798             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 799         }
 800
 801         if (list->metadata_format) {
 802             StringFromGUID2(list->metadata_format, buf, 39);
 803             res = RegSetValueExW(clsid_key, metadataformat_valuename, 0, REG_SZ,
 804                                  (const BYTE*)buf, 78);
 805             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 806         }
 807
 808         if (list->version) {
 809             res = RegSetValueExA(clsid_key, version_valuename, 0, REG_SZ,
 810                                  (const BYTE*)list->version,
 811                                  strlen(list->version) + 1);
 812             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 813         }
 814
 815         if (list->specversion) {
 816             res = RegSetValueExA(clsid_key, specversion_valuename, 0, REG_SZ,
 817                                  (const BYTE*)list->version,
 818                                  strlen(list->version) + 1);
 819             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 820         }
 821
 822         res = RegSetValueExA(clsid_key, requiresfullstream_valuename, 0, REG_DWORD,
 823                              (const BYTE*)&list->requires_fullstream, 4);
 824         if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 825
 826         res = RegSetValueExA(clsid_key, supportspadding_valuename, 0, REG_DWORD,
 827                              (const BYTE*)&list->supports_padding, 4);
 828         if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 829
 830         if (list->requires_fixedsize) {
 831             res = RegSetValueExA(clsid_key, requiresfixedsize_valuename, 0, REG_DWORD,
 832                                  (const BYTE*)&list->requires_fixedsize, 4);
 833             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 834         }
 835
 836         if (list->containers) {
 837             HKEY containers_key;
 838             const struct reader_containers *container;
 839
 840             res = RegCreateKeyExW(clsid_key, containers_keyname, 0, NULL, 0,
 841                                   KEY_READ | KEY_WRITE, NULL, &containers_key, NULL);
 842             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 843             for (container=list->containers; container->format; ++container)
 844             {
 845                 HKEY format_key;
 846                 int i;
 847                 StringFromGUID2(container->format, buf, 39);
 848                 res = RegCreateKeyExW(containers_key, buf, 0, NULL, 0,
 849                                       KEY_READ | KEY_WRITE, NULL, &format_key, NULL);
 850                 if (res != ERROR_SUCCESS) break;
 851
 852                 for (i=0; container->patterns[i].length; i++)
 853                 {
 854                     HKEY pattern_key;
 855                     static const WCHAR int_format[] = {'%','i',0};
 856                     snprintfW(buf, 39, int_format, i);
 857                     res = RegCreateKeyExW(format_key, buf, 0, NULL, 0,
 858                                           KEY_READ | KEY_WRITE, NULL, &pattern_key, NULL);
 859                     if (res != ERROR_SUCCESS) break;
 860                     res = RegSetValueExA(pattern_key, position_valuename, 0, REG_DWORD,
 861                                          (const BYTE*)&container->patterns[i].position, 4);
 862                     if (res == ERROR_SUCCESS)
 863                         res = RegSetValueExA(pattern_key, pattern_valuename, 0, REG_BINARY,
 864                                              container->patterns[i].pattern,
 865                                              container->patterns[i].length);
 866                     if (res == ERROR_SUCCESS)
 867                         res = RegSetValueExA(pattern_key, mask_valuename, 0, REG_BINARY,
 868                                              container->patterns[i].mask,
 869                                              container->patterns[i].length);
 870                     if (res == ERROR_SUCCESS && container->patterns[i].data_offset)
 871                         res = RegSetValueExA(pattern_key, dataoffset_valuename, 0, REG_DWORD,
 872                                              (const BYTE*)&container->patterns[i].data_offset, 4);
 873                     RegCloseKey(pattern_key);
 874                 }
 875
 876                 RegCloseKey(format_key);
 877             }
 878             RegCloseKey(containers_key);
 879         }
 880
 881     error_close_clsid_key:
 882         RegCloseKey(clsid_key);
 883     }
 884
 885 error_close_coclass_key:
 886     RegCloseKey(instance_key);
 887     RegCloseKey(readers_key);
 888     RegCloseKey(coclass_key);
 889 error_return:
 890     return res != ERROR_SUCCESS ? HRESULT_FROM_WIN32(res) : S_OK;
 891 }
 892
 893 /***********************************************************************
 894  *              unregister_metadatareaders
 895  */
 896 static HRESULT unregister_metadatareaders(struct regsvr_metadatareader const *list)
 897 {
 898     LONG res = ERROR_SUCCESS;
 899     HKEY coclass_key;
 900     WCHAR buf[39];
 901     HKEY readers_key;
 902     HKEY instance_key;
 903
 904     res = RegOpenKeyExW(HKEY_CLASSES_ROOT, clsid_keyname, 0,
 905                         KEY_READ | KEY_WRITE, &coclass_key);
 906     if (res == ERROR_FILE_NOT_FOUND) return S_OK;
 907
 908     if (res == ERROR_SUCCESS)  {
 909         StringFromGUID2(&CATID_WICMetadataReader, buf, 39);
 910         res = RegCreateKeyExW(coclass_key, buf, 0, NULL, 0,
 911                               KEY_READ | KEY_WRITE, NULL, &readers_key, NULL);
 912         if (res == ERROR_SUCCESS)
 913         {
 914             res = RegCreateKeyExW(readers_key, instance_keyname, 0, NULL, 0,
 915                               KEY_READ | KEY_WRITE, NULL, &instance_key, NULL);
 916             if (res != ERROR_SUCCESS) goto error_close_coclass_key;
 917         }
 918         if (res != ERROR_SUCCESS)
 919             RegCloseKey(coclass_key);
 920     }
 921     if (res != ERROR_SUCCESS) goto error_return;
 922
 923     for (; res == ERROR_SUCCESS && list->clsid; ++list) {
 924         StringFromGUID2(list->clsid, buf, 39);
 925
 926         res = RegDeleteTreeW(coclass_key, buf);
 927         if (res == ERROR_FILE_NOT_FOUND) res = ERROR_SUCCESS;
 928         if (res != ERROR_SUCCESS) goto error_close_coclass_key;
 929
 930         res = RegDeleteTreeW(instance_key, buf);
 931         if (res == ERROR_FILE_NOT_FOUND) res = ERROR_SUCCESS;
 932         if (res != ERROR_SUCCESS) goto error_close_coclass_key;
 933     }
 934
 935 error_close_coclass_key:
 936     RegCloseKey(instance_key);
 937     RegCloseKey(readers_key);
 938     RegCloseKey(coclass_key);
 939 error_return:
 940     return res != ERROR_SUCCESS ? HRESULT_FROM_WIN32(res) : S_OK;
 941 }
 942
 943 /***********************************************************************
 944  *                register_pixelformats
 945  */
 946 static HRESULT register_pixelformats(struct regsvr_pixelformat const *list)
 947 {
 948     LONG res = ERROR_SUCCESS;
 949     HKEY coclass_key;
 950     WCHAR buf[39];
 951     HKEY formats_key;
 952     HKEY instance_key;
 953
 954     res = RegCreateKeyExW(HKEY_CLASSES_ROOT, clsid_keyname, 0, NULL, 0,
 955                           KEY_READ | KEY_WRITE, NULL, &coclass_key, NULL);
 956     if (res == ERROR_SUCCESS)  {
 957         StringFromGUID2(&CATID_WICPixelFormats, buf, 39);
 958         res = RegCreateKeyExW(coclass_key, buf, 0, NULL, 0,
 959                               KEY_READ | KEY_WRITE, NULL, &formats_key, NULL);
 960         if (res == ERROR_SUCCESS)
 961         {
 962             res = RegCreateKeyExW(formats_key, instance_keyname, 0, NULL, 0,
 963                               KEY_READ | KEY_WRITE, NULL, &instance_key, NULL);
 964             if (res != ERROR_SUCCESS) goto error_close_coclass_key;
 965         }
 966         if (res != ERROR_SUCCESS)
 967             RegCloseKey(coclass_key);
 968     }
 969     if (res != ERROR_SUCCESS) goto error_return;
 970
 971     for (; res == ERROR_SUCCESS && list->clsid; ++list) {
 972         HKEY clsid_key;
 973         HKEY instance_clsid_key;
 974
 975         StringFromGUID2(list->clsid, buf, 39);
 976         res = RegCreateKeyExW(coclass_key, buf, 0, NULL, 0,
 977                               KEY_READ | KEY_WRITE, NULL, &clsid_key, NULL);
 978         if (res != ERROR_SUCCESS) goto error_close_coclass_key;
 979
 980         StringFromGUID2(list->clsid, buf, 39);
 981         res = RegCreateKeyExW(instance_key, buf, 0, NULL, 0,
 982                               KEY_READ | KEY_WRITE, NULL, &instance_clsid_key, NULL);
 983         if (res == ERROR_SUCCESS) {
 984             res = RegSetValueExW(instance_clsid_key, clsid_valuename, 0, REG_SZ,
 985                                  (const BYTE*)buf, 78);
 986             RegCloseKey(instance_clsid_key);
 987         }
 988         if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 989
 990         if (list->author) {
 991             res = RegSetValueExA(clsid_key, author_valuename, 0, REG_SZ,
 992                                  (const BYTE*)list->author,
 993                                  strlen(list->author) + 1);
 994             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 995         }
 996
 997         if (list->friendlyname) {
 998             res = RegSetValueExA(clsid_key, friendlyname_valuename, 0, REG_SZ,
 999                                  (const BYTE*)list->friendlyname,
1000                                  strlen(list->friendlyname) + 1);
1001             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
1002         }
1003
1004         if (list->vendor) {
1005             StringFromGUID2(list->vendor, buf, 39);
1006             res = RegSetValueExW(clsid_key, vendor_valuename, 0, REG_SZ,
1007                                  (const BYTE*)buf, 78);
1008             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
1009         }
1010
1011         if (list->version) {
1012             res = RegSetValueExA(clsid_key, version_valuename, 0, REG_SZ,
1013                                  (const BYTE*)list->version,
1014                                  strlen(list->version) + 1);
1015             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
1016         }
1017
1018         res = RegSetValueExA(clsid_key, bitsperpixel_valuename, 0, REG_DWORD,
1019                              (const BYTE*)&list->bitsperpixel, 4);
1020         if (res != ERROR_SUCCESS) goto error_close_clsid_key;
1021
1022         res = RegSetValueExA(clsid_key, channelcount_valuename, 0, REG_DWORD,
1023                              (const BYTE*)&list->channelcount, 4);
1024         if (res != ERROR_SUCCESS) goto error_close_clsid_key;
1025
1026         res = RegSetValueExA(clsid_key, numericrepresentation_valuename, 0, REG_DWORD,
1027                              (const BYTE*)&list->numericrepresentation, 4);
1028         if (res != ERROR_SUCCESS) goto error_close_clsid_key;
1029
1030         res = RegSetValueExA(clsid_key, supportstransparency_valuename, 0, REG_DWORD,
1031                              (const BYTE*)&list->supportsalpha, 4);
1032         if (res != ERROR_SUCCESS) goto error_close_clsid_key;
1033
1034         if (list->channelmasks) {
1035             HKEY masks_key;
1036             UINT i, mask_size;
1037             WCHAR mask_valuename[11];
1038             const WCHAR valuename_format[] = {'%','d',0};
1039
1040             mask_size = (list->bitsperpixel + 7)/8;
1041
1042             res = RegCreateKeyExW(clsid_key, channelmasks_keyname, 0, NULL, 0,
1043                                   KEY_READ | KEY_WRITE, NULL, &masks_key, NULL);
1044             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
1045             for (i=0; i < list->channelcount; i++)
1046             {
1047                 sprintfW(mask_valuename, valuename_format, i);
1048                 res = RegSetValueExW(masks_key, mask_valuename, 0, REG_BINARY,
1049                                      list->channelmasks[i], mask_size);
1050                 if (res != ERROR_SUCCESS) break;
1051             }
1052             RegCloseKey(masks_key);
1053             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
1054         }
1055
1056     error_close_clsid_key:
1057         RegCloseKey(clsid_key);
1058     }
1059
1060 error_close_coclass_key:
1061     RegCloseKey(instance_key);
1062     RegCloseKey(formats_key);
1063     RegCloseKey(coclass_key);
1064 error_return:
1065     return res != ERROR_SUCCESS ? HRESULT_FROM_WIN32(res) : S_OK;
1066 }
1067
1068 /***********************************************************************
1069  *                unregister_pixelformats
1070  */
1071 static HRESULT unregister_pixelformats(struct regsvr_pixelformat const *list)
1072 {
1073     LONG res = ERROR_SUCCESS;
1074     HKEY coclass_key;
1075     WCHAR buf[39];
1076     HKEY formats_key;
1077     HKEY instance_key;
1078
1079     res = RegOpenKeyExW(HKEY_CLASSES_ROOT, clsid_keyname, 0,
1080                         KEY_READ | KEY_WRITE, &coclass_key);
1081     if (res == ERROR_FILE_NOT_FOUND) return S_OK;
1082
1083     if (res == ERROR_SUCCESS)  {
1084         StringFromGUID2(&CATID_WICPixelFormats, buf, 39);
1085         res = RegCreateKeyExW(coclass_key, buf, 0, NULL, 0,
1086                               KEY_READ | KEY_WRITE, NULL, &formats_key, NULL);
1087         if (res == ERROR_SUCCESS)
1088         {
1089             res = RegCreateKeyExW(formats_key, instance_keyname, 0, NULL, 0,
1090                               KEY_READ | KEY_WRITE, NULL, &instance_key, NULL);
1091             if (res != ERROR_SUCCESS) goto error_close_coclass_key;
1092         }
1093         if (res != ERROR_SUCCESS)
1094             RegCloseKey(coclass_key);
1095     }
1096     if (res != ERROR_SUCCESS) goto error_return;
1097
1098     for (; res == ERROR_SUCCESS && list->clsid; ++list) {
1099         StringFromGUID2(list->clsid, buf, 39);
1100
1101         res = RegDeleteTreeW(coclass_key, buf);
1102         if (res == ERROR_FILE_NOT_FOUND) res = ERROR_SUCCESS;
1103         if (res != ERROR_SUCCESS) goto error_close_coclass_key;
1104
1105         res = RegDeleteTreeW(instance_key, buf);
1106         if (res == ERROR_FILE_NOT_FOUND) res = ERROR_SUCCESS;
1107         if (res != ERROR_SUCCESS) goto error_close_coclass_key;
1108     }
1109
1110 error_close_coclass_key:
1111     RegCloseKey(instance_key);
1112     RegCloseKey(formats_key);
1113     RegCloseKey(coclass_key);
1114 error_return:
1115     return res != ERROR_SUCCESS ? HRESULT_FROM_WIN32(res) : S_OK;
1116 }
1117
1118 /***********************************************************************
1119  *              decoder list
1120  */
1121 static const BYTE mask_all[] = {0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff};
1122
1123 static const BYTE bmp_magic[] = {0x42,0x4d};
1124
1125 static GUID const * const bmp_formats[] = {
1126     &GUID_WICPixelFormat1bppIndexed,
1127     &GUID_WICPixelFormat2bppIndexed,
1128     &GUID_WICPixelFormat4bppIndexed,
1129     &GUID_WICPixelFormat8bppIndexed,
1130     &GUID_WICPixelFormat16bppBGR555,
1131     &GUID_WICPixelFormat16bppBGR565,
1132     &GUID_WICPixelFormat24bppBGR,
1133     &GUID_WICPixelFormat32bppBGR,
1134     &GUID_WICPixelFormat32bppBGRA,
1135     NULL
1136 };
1137
1138 static struct decoder_pattern const bmp_patterns[] = {
1139     {2,0,bmp_magic,mask_all,0},
1140     {0}
1141 };
1142
1143 static const BYTE gif87a_magic[6] = "GIF87a";
1144 static const BYTE gif89a_magic[6] = "GIF89a";
1145
1146 static GUID const * const gif_formats[] = {
1147     &GUID_WICPixelFormat8bppIndexed,
1148     NULL
1149 };
1150
1151 static struct decoder_pattern const gif_patterns[] = {
1152     {6,0,gif87a_magic,mask_all,0},
1153     {6,0,gif89a_magic,mask_all,0},
1154     {0}
1155 };
1156
1157 static const BYTE ico_magic[] = {00,00,01,00};
1158
1159 static GUID const * const ico_formats[] = {
1160     &GUID_WICPixelFormat32bppBGRA,
1161     NULL
1162 };
1163
1164 static struct decoder_pattern const ico_patterns[] = {
1165     {4,0,ico_magic,mask_all,0},
1166     {0}
1167 };
1168
1169 static const BYTE jpeg_magic[] = {0xff, 0xd8};
1170
1171 static GUID const * const jpeg_formats[] = {
1172     &GUID_WICPixelFormat24bppBGR,
1173     &GUID_WICPixelFormat32bppCMYK,
1174     &GUID_WICPixelFormat8bppGray,
1175     NULL
1176 };
1177
1178 static struct decoder_pattern const jpeg_patterns[] = {
1179     {2,0,jpeg_magic,mask_all,0},
1180     {0}
1181 };
1182
1183 static const BYTE png_magic[] = {137,80,78,71,13,10,26,10};
1184
1185 static GUID const * const png_formats[] = {
1186     &GUID_WICPixelFormatBlackWhite,
1187     &GUID_WICPixelFormat2bppGray,
1188     &GUID_WICPixelFormat4bppGray,
1189     &GUID_WICPixelFormat8bppGray,
1190     &GUID_WICPixelFormat16bppGray,
1191     &GUID_WICPixelFormat32bppBGRA,
1192     &GUID_WICPixelFormat64bppRGBA,
1193     &GUID_WICPixelFormat1bppIndexed,
1194     &GUID_WICPixelFormat2bppIndexed,
1195     &GUID_WICPixelFormat4bppIndexed,
1196     &GUID_WICPixelFormat8bppIndexed,
1197     &GUID_WICPixelFormat24bppBGR,
1198     &GUID_WICPixelFormat48bppRGB,
1199     NULL
1200 };
1201
1202 static struct decoder_pattern const png_patterns[] = {
1203     {8,0,png_magic,mask_all,0},
1204     {0}
1205 };
1206
1207 static const BYTE tiff_magic_le[] = {0x49,0x49,42,0};
1208 static const BYTE tiff_magic_be[] = {0x4d,0x4d,0,42};
1209
1210 static GUID const * const tiff_decode_formats[] = {
1211     &GUID_WICPixelFormatBlackWhite,
1212     &GUID_WICPixelFormat4bppGray,
1213     &GUID_WICPixelFormat8bppGray,
1214     &GUID_WICPixelFormat4bppIndexed,
1215     &GUID_WICPixelFormat8bppIndexed,
1216     &GUID_WICPixelFormat24bppBGR,
1217     &GUID_WICPixelFormat32bppBGR,
1218     &GUID_WICPixelFormat32bppBGRA,
1219     &GUID_WICPixelFormat32bppPBGRA,
1220     &GUID_WICPixelFormat48bppRGB,
1221     &GUID_WICPixelFormat64bppRGBA,
1222     &GUID_WICPixelFormat64bppPRGBA,
1223     NULL
1224 };
1225
1226 static struct decoder_pattern const tiff_patterns[] = {
1227     {4,0,tiff_magic_le,mask_all,0},
1228     {4,0,tiff_magic_be,mask_all,0},
1229     {0}
1230 };
1231
1232 static const BYTE tga_footer_magic[18] = "TRUEVISION-XFILE.";
1233
1234 static const BYTE tga_indexed_magic[18] = {0,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,8,0};
1235 static const BYTE tga_indexed_mask[18] = {0,0xff,0xf7,0,0,0,0,0,0,0,0,0,0,0,0,0,0xff,0xcf};
1236
1237 static const BYTE tga_truecolor_magic[18] = {0,0,2,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
1238 static const BYTE tga_truecolor_mask[18] = {0,0xff,0xf7,0,0,0,0,0,0,0,0,0,0,0,0,0,0x87,0xc0};
1239
1240 static const BYTE tga_grayscale_magic[18] = {0,0,3,0,0,0,0,0,0,0,0,0,0,0,0,0,8,0};
1241 static const BYTE tga_grayscale_mask[18] = {0,0xff,0xf7,0,0,0,0,0,0,0,0,0,0,0,0,0,0xff,0xcf};
1242
1243 static GUID const * const tga_formats[] = {
1244     &GUID_WICPixelFormat8bppGray,
1245     &GUID_WICPixelFormat8bppIndexed,
1246     &GUID_WICPixelFormat16bppGray,
1247     &GUID_WICPixelFormat16bppBGR555,
1248     &GUID_WICPixelFormat24bppBGR,
1249     &GUID_WICPixelFormat32bppBGRA,
1250     &GUID_WICPixelFormat32bppPBGRA,
1251     NULL
1252 };
1253
1254 static struct decoder_pattern const tga_patterns[] = {
1255     {18,18,tga_footer_magic,mask_all,1},
1256     {18,0,tga_indexed_magic,tga_indexed_mask,0},
1257     {18,0,tga_truecolor_magic,tga_truecolor_mask,0},
1258     {18,0,tga_grayscale_magic,tga_grayscale_mask,0},
1259     {0}
1260 };
1261
1262 static struct regsvr_decoder const decoder_list[] = {
1263     {   &CLSID_WICBmpDecoder,
1264         "The Wine Project",
1265         "BMP Decoder",
1266         "1.0.0.0",
1267         &GUID_VendorMicrosoft,
1268         &GUID_ContainerFormatBmp,
1269         "image/bmp",
1270         ".bmp,.dib,.rle",
1271         bmp_formats,
1272         bmp_patterns
1273     },
1274     {   &CLSID_WICGifDecoder,
1275         "The Wine Project",
1276         "GIF Decoder",
1277         "1.0.0.0",
1278         &GUID_VendorMicrosoft,
1279         &GUID_ContainerFormatGif,
1280         "image/gif",
1281         ".gif",
1282         gif_formats,
1283         gif_patterns
1284     },
1285     {   &CLSID_WICIcoDecoder,
1286         "The Wine Project",
1287         "ICO Decoder",
1288         "1.0.0.0",
1289         &GUID_VendorMicrosoft,
1290         &GUID_ContainerFormatIco,
1291         "image/vnd.microsoft.icon",
1292         ".ico",
1293         ico_formats,
1294         ico_patterns
1295     },
1296     {   &CLSID_WICJpegDecoder,
1297         "The Wine Project",
1298         "JPEG Decoder",
1299         "1.0.0.0",
1300         &GUID_VendorMicrosoft,
1301         &GUID_ContainerFormatJpeg,
1302         "image/jpeg",
1303         ".jpg;.jpeg;.jfif",
1304         jpeg_formats,
1305         jpeg_patterns
1306     },
1307     {   &CLSID_WICPngDecoder,
1308         "The Wine Project",
1309         "PNG Decoder",
1310         "1.0.0.0",
1311         &GUID_VendorMicrosoft,
1312         &GUID_ContainerFormatPng,
1313         "image/png",
1314         ".png",
1315         png_formats,
1316         png_patterns
1317     },
1318     {   &CLSID_WICTiffDecoder,
1319         "The Wine Project",
1320         "TIFF Decoder",
1321         "1.0.0.0",
1322         &GUID_VendorMicrosoft,
1323         &GUID_ContainerFormatTiff,
1324         "image/tiff",
1325         ".tif;.tiff",
1326         tiff_decode_formats,
1327         tiff_patterns
1328     },
1329     {   &CLSID_WineTgaDecoder,
1330         "The Wine Project",
1331         "TGA Decoder",
1332         "1.0.0.0",
1333         &GUID_VendorWine,
1334         &GUID_WineContainerFormatTga,
1335         "image/x-targa",
1336         ".tga;.tpic",
1337         tga_formats,
1338         tga_patterns
1339     },
1340     { NULL }                    /* list terminator */
1341 };
1342
1343 static GUID const * const bmp_encode_formats[] = {
1344     &GUID_WICPixelFormat16bppBGR555,
1345     &GUID_WICPixelFormat16bppBGR565,
1346     &GUID_WICPixelFormat24bppBGR,
1347     &GUID_WICPixelFormat32bppBGR,
1348     NULL
1349 };
1350
1351 static GUID const * const png_encode_formats[] = {
1352     &GUID_WICPixelFormat24bppBGR,
1353     &GUID_WICPixelFormatBlackWhite,
1354     &GUID_WICPixelFormat2bppGray,
1355     &GUID_WICPixelFormat4bppGray,
1356     &GUID_WICPixelFormat8bppGray,
1357     &GUID_WICPixelFormat16bppGray,
1358     &GUID_WICPixelFormat32bppBGR,
1359     &GUID_WICPixelFormat32bppBGRA,
1360     &GUID_WICPixelFormat48bppRGB,
1361     &GUID_WICPixelFormat64bppRGBA,
1362     NULL
1363 };
1364
1365 static GUID const * const tiff_encode_formats[] = {
1366     &GUID_WICPixelFormatBlackWhite,
1367     &GUID_WICPixelFormat4bppGray,
1368     &GUID_WICPixelFormat8bppGray,
1369     &GUID_WICPixelFormat24bppBGR,
1370     &GUID_WICPixelFormat32bppBGRA,
1371     &GUID_WICPixelFormat32bppPBGRA,
1372     &GUID_WICPixelFormat48bppRGB,
1373     &GUID_WICPixelFormat64bppRGBA,
1374     &GUID_WICPixelFormat64bppPRGBA,
1375     NULL
1376 };
1377
1378 static GUID const * const icns_encode_formats[] = {
1379     &GUID_WICPixelFormat32bppBGRA,
1380     NULL
1381 };
1382
1383 static struct regsvr_encoder const encoder_list[] = {
1384     {   &CLSID_WICBmpEncoder,
1385         "The Wine Project",
1386         "BMP Encoder",
1387         "1.0.0.0",
1388         &GUID_VendorMicrosoft,
1389         &GUID_ContainerFormatBmp,
1390         "image/bmp",
1391         ".bmp,.dib,.rle",
1392         bmp_encode_formats
1393     },
1394     {   &CLSID_WICJpegEncoder,
1395         "The Wine Project",
1396         "JPEG Encoder",
1397         "1.0.0.0",
1398         &GUID_VendorMicrosoft,
1399         &GUID_ContainerFormatJpeg,
1400         "image/jpeg",
1401         ".jpg;.jpeg;.jfif",
1402         jpeg_formats
1403     },
1404     {   &CLSID_WICPngEncoder,
1405         "The Wine Project",
1406         "PNG Encoder",
1407         "1.0.0.0",
1408         &GUID_VendorMicrosoft,
1409         &GUID_ContainerFormatPng,
1410         "image/png",
1411         ".png",
1412         png_encode_formats
1413     },
1414     {   &CLSID_WICTiffEncoder,
1415         "The Wine Project",
1416         "TIFF Encoder",
1417         "1.0.0.0",
1418         &GUID_VendorMicrosoft,
1419         &GUID_ContainerFormatTiff,
1420         "image/tiff",
1421         ".tif;.tiff",
1422         tiff_encode_formats
1423     },
1424     {   &CLSID_WICIcnsEncoder,
1425         "The Wine Project",
1426         "ICNS Encoder",
1427         "1.0.0.0",
1428         &GUID_VendorWine,
1429         NULL, /* no container format guid */
1430         "image/icns",
1431         ".icns",
1432         icns_encode_formats
1433     },
1434     { NULL }                    /* list terminator */
1435 };
1436
1437 static GUID const * const converter_formats[] = {
1438     &GUID_WICPixelFormat1bppIndexed,
1439     &GUID_WICPixelFormat2bppIndexed,
1440     &GUID_WICPixelFormat4bppIndexed,
1441     &GUID_WICPixelFormat8bppIndexed,
1442     &GUID_WICPixelFormatBlackWhite,
1443     &GUID_WICPixelFormat2bppGray,
1444     &GUID_WICPixelFormat4bppGray,
1445     &GUID_WICPixelFormat8bppGray,
1446     &GUID_WICPixelFormat16bppGray,
1447     &GUID_WICPixelFormat16bppBGR555,
1448     &GUID_WICPixelFormat16bppBGR565,
1449     &GUID_WICPixelFormat16bppBGRA5551,
1450     &GUID_WICPixelFormat24bppBGR,
1451     &GUID_WICPixelFormat24bppRGB,
1452     &GUID_WICPixelFormat32bppBGR,
1453     &GUID_WICPixelFormat32bppBGRA,
1454     &GUID_WICPixelFormat32bppPBGRA,
1455     &GUID_WICPixelFormat32bppGrayFloat,
1456     &GUID_WICPixelFormat48bppRGB,
1457     &GUID_WICPixelFormat64bppRGBA,
1458     &GUID_WICPixelFormat32bppCMYK,
1459     NULL
1460 };
1461
1462 static struct regsvr_converter const converter_list[] = {
1463     {   &CLSID_WICDefaultFormatConverter,
1464         "The Wine Project",
1465         "Default Pixel Format Converter",
1466         "1.0.0.0",
1467         &GUID_VendorMicrosoft,
1468         converter_formats
1469     },
1470     { NULL }                    /* list terminator */
1471 };
1472
1473 static const BYTE no_magic[1] = { 0 };
1474 static const BYTE no_mask[1] = { 0 };
1475
1476 static const struct metadata_pattern ifd_metadata_pattern[] = {
1477     { 0, 1, no_magic, no_mask, 0 },
1478     { 0 }
1479 };
1480
1481 static const struct reader_containers ifd_containers[] = {
1482     {
1483         &GUID_ContainerFormatTiff,
1484         ifd_metadata_pattern
1485     },
1486     { NULL } /* list terminator */
1487 };
1488
1489 static const BYTE tEXt[] = "tEXt";
1490
1491 static const struct metadata_pattern pngtext_metadata_pattern[] = {
1492     { 4, 4, tEXt, mask_all, 4 },
1493     { 0 }
1494 };
1495
1496 static const struct reader_containers pngtext_containers[] = {
1497     {
1498         &GUID_ContainerFormatPng,
1499         pngtext_metadata_pattern
1500     },
1501     { NULL } /* list terminator */
1502 };
1503
1504 static const BYTE gAMA[] = "gAMA";
1505
1506 static const struct metadata_pattern pnggama_metadata_pattern[] = {
1507     { 4, 4, gAMA, mask_all, 4 },
1508     { 0 }
1509 };
1510
1511 static const struct reader_containers pnggama_containers[] = {
1512     {
1513         &GUID_ContainerFormatPng,
1514         pnggama_metadata_pattern
1515     },
1516     { NULL } /* list terminator */
1517 };
1518
1519 static const BYTE cHRM[] = "cHRM";
1520
1521 static const struct metadata_pattern pngchrm_metadata_pattern[] = {
1522     { 4, 4, cHRM, mask_all, 4 },
1523     { 0 }
1524 };
1525
1526 static const struct reader_containers pngchrm_containers[] = {
1527     {
1528         &GUID_ContainerFormatPng,
1529         pngchrm_metadata_pattern
1530     },
1531     { NULL } /* list terminator */
1532 };
1533
1534 static const struct metadata_pattern lsd_metadata_patterns[] = {
1535     { 0, 6, gif87a_magic, mask_all, 0 },
1536     { 0, 6, gif89a_magic, mask_all, 0 },
1537     { 0 }
1538 };
1539
1540 static const struct reader_containers lsd_containers[] = {
1541     {
1542         &GUID_ContainerFormatGif,
1543         lsd_metadata_patterns
1544     },
1545     { NULL } /* list terminator */
1546 };
1547
1548 static const BYTE imd_magic[] = { 0x2c };
1549
1550 static const struct metadata_pattern imd_metadata_pattern[] = {
1551     { 0, 1, imd_magic, mask_all, 1 },
1552     { 0 }
1553 };
1554
1555 static const struct reader_containers imd_containers[] = {
1556     {
1557         &GUID_ContainerFormatGif,
1558         imd_metadata_pattern
1559     },
1560     { NULL } /* list terminator */
1561 };
1562
1563 static const BYTE gce_magic[] = { 0x21, 0xf9, 0x04 };
1564
1565 static const struct metadata_pattern gce_metadata_pattern[] = {
1566     { 0, 3, gce_magic, mask_all, 3 },
1567     { 0 }
1568 };
1569
1570 static const struct reader_containers gce_containers[] = {
1571     {
1572         &GUID_ContainerFormatGif,
1573         gce_metadata_pattern
1574     },
1575     { NULL } /* list terminator */
1576 };
1577
1578 static const BYTE ape_magic[] = { 0x21, 0xff, 0x0b };
1579
1580 static const struct metadata_pattern ape_metadata_pattern[] = {
1581     { 0, 3, ape_magic, mask_all, 0 },
1582     { 0 }
1583 };
1584
1585 static const struct reader_containers ape_containers[] = {
1586     {
1587         &GUID_ContainerFormatGif,
1588         ape_metadata_pattern
1589     },
1590     { NULL } /* list terminator */
1591 };
1592
1593 static const BYTE gif_comment_magic[] = { 0x21, 0xfe };
1594
1595 static const struct metadata_pattern gif_comment_metadata_pattern[] = {
1596     { 0, 2, gif_comment_magic, mask_all, 0 },
1597     { 0 }
1598 };
1599
1600 static const struct reader_containers gif_comment_containers[] = {
1601     {
1602         &GUID_ContainerFormatGif,
1603         gif_comment_metadata_pattern
1604     },
1605     { NULL } /* list terminator */
1606 };
1607
1608 static struct regsvr_metadatareader const metadatareader_list[] = {
1609     {   &CLSID_WICUnknownMetadataReader,
1610         "The Wine Project",
1611         "Unknown Metadata Reader",
1612         "1.0.0.0",
1613         "1.0.0.0",
1614         &GUID_VendorMicrosoft,
1615         &GUID_MetadataFormatUnknown,
1616         0, 0, 0,
1617         NULL
1618     },
1619     {   &CLSID_WICIfdMetadataReader,
1620         "The Wine Project",
1621         "Ifd Reader",
1622         "1.0.0.0",
1623         "1.0.0.0",
1624         &GUID_VendorMicrosoft,
1625         &GUID_MetadataFormatIfd,
1626         1, 1, 0,
1627         ifd_containers
1628     },
1629     {   &CLSID_WICPngChrmMetadataReader,
1630         "The Wine Project",
1631         "Chunk cHRM Reader",
1632         "1.0.0.0",
1633         "1.0.0.0",
1634         &GUID_VendorMicrosoft,
1635         &GUID_MetadataFormatChunkcHRM,
1636         0, 0, 0,
1637         pngchrm_containers
1638     },
1639     {   &CLSID_WICPngGamaMetadataReader,
1640         "The Wine Project",
1641         "Chunk gAMA Reader",
1642         "1.0.0.0",
1643         "1.0.0.0",
1644         &GUID_VendorMicrosoft,
1645         &GUID_MetadataFormatChunkgAMA,
1646         0, 0, 0,
1647         pnggama_containers
1648     },
1649     {   &CLSID_WICPngTextMetadataReader,
1650         "The Wine Project",
1651         "Chunk tEXt Reader",
1652         "1.0.0.0",
1653         "1.0.0.0",
1654         &GUID_VendorMicrosoft,
1655         &GUID_MetadataFormatChunktEXt,
1656         0, 0, 0,
1657         pngtext_containers
1658     },
1659     {   &CLSID_WICLSDMetadataReader,
1660         "The Wine Project",
1661         "Logical Screen Descriptor Reader",
1662         "1.0.0.0",
1663         "1.0.0.0",
1664         &GUID_VendorMicrosoft,
1665         &GUID_MetadataFormatLSD,
1666         0, 0, 0,
1667         lsd_containers
1668     },
1669     {   &CLSID_WICIMDMetadataReader,
1670         "The Wine Project",
1671         "Image Descriptor Reader",
1672         "1.0.0.0",
1673         "1.0.0.0",
1674         &GUID_VendorMicrosoft,
1675         &GUID_MetadataFormatIMD,
1676         0, 0, 0,
1677         imd_containers
1678     },
1679     {   &CLSID_WICGCEMetadataReader,
1680         "The Wine Project",
1681         "Graphic Control Extension Reader",
1682         "1.0.0.0",
1683         "1.0.0.0",
1684         &GUID_VendorMicrosoft,
1685         &GUID_MetadataFormatGCE,
1686         0, 0, 0,
1687         gce_containers
1688     },
1689     {   &CLSID_WICAPEMetadataReader,
1690         "The Wine Project",
1691         "Application Extension Reader",
1692         "1.0.0.0",
1693         "1.0.0.0",
1694         &GUID_VendorMicrosoft,
1695         &GUID_MetadataFormatAPE,
1696         0, 0, 0,
1697         ape_containers
1698     },
1699     {   &CLSID_WICGifCommentMetadataReader,
1700         "The Wine Project",
1701         "Comment Extension Reader",
1702         "1.0.0.0",
1703         "1.0.0.0",
1704         &GUID_VendorMicrosoft,
1705         &GUID_MetadataFormatGifComment,
1706         0, 0, 0,
1707         gif_comment_containers
1708     },
1709     { NULL }                    /* list terminator */
1710 };
1711
1712 static BYTE const channel_mask_1bit[] = { 0x01 };
1713 static BYTE const channel_mask_2bit[] = { 0x03 };
1714 static BYTE const channel_mask_4bit[] = { 0x0f };
1715
1716 static BYTE const channel_mask_8bit[] = { 0xff, 0x00, 0x00, 0x00 };
1717 static BYTE const channel_mask_8bit2[] = { 0x00, 0xff, 0x00, 0x00 };
1718 static BYTE const channel_mask_8bit3[] = { 0x00, 0x00, 0xff, 0x00 };
1719 static BYTE const channel_mask_8bit4[] = { 0x00, 0x00, 0x00, 0xff };
1720
1721 static BYTE const channel_mask_16bit[] = { 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
1722 static BYTE const channel_mask_16bit2[] = { 0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00 };
1723 static BYTE const channel_mask_16bit3[] = { 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0x00, 0x00 };
1724 static BYTE const channel_mask_16bit4[] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff };
1725
1726 static BYTE const channel_mask_5bit[] = { 0x1f, 0x00 };
1727 static BYTE const channel_mask_5bit2[] = { 0xe0, 0x03 };
1728 static BYTE const channel_mask_5bit3[] = { 0x00, 0x7c };
1729 static BYTE const channel_mask_5bit4[] = { 0x00, 0x80 };
1730
1731 static BYTE const channel_mask_BGR565_2[] = { 0xe0, 0x07 };
1732 static BYTE const channel_mask_BGR565_3[] = { 0x00, 0xf8 };
1733
1734 static BYTE const * const channel_masks_1bit[] = { channel_mask_1bit };
1735 static BYTE const * const channel_masks_2bit[] = { channel_mask_2bit };
1736 static BYTE const * const channel_masks_4bit[] = { channel_mask_4bit };
1737 static BYTE const * const channel_masks_8bit[] = { channel_mask_8bit,
1738     channel_mask_8bit2, channel_mask_8bit3, channel_mask_8bit4 };
1739 static BYTE const * const channel_masks_16bit[] = { channel_mask_16bit,
1740     channel_mask_16bit2, channel_mask_16bit3, channel_mask_16bit4};
1741
1742 static BYTE const * const channel_masks_BGRA5551[] = { channel_mask_5bit,
1743     channel_mask_5bit2, channel_mask_5bit3, channel_mask_5bit4 };
1744
1745 static BYTE const * const channel_masks_BGR565[] = { channel_mask_5bit,
1746     channel_mask_BGR565_2, channel_mask_BGR565_3 };
1747
1748 static struct regsvr_pixelformat const pixelformat_list[] = {
1749     {   &GUID_WICPixelFormat1bppIndexed,
1750         "The Wine Project",
1751         "1bpp Indexed",
1752         NULL, /* no version */
1753         &GUID_VendorMicrosoft,
1754         1, /* bitsperpixel */
1755         1, /* channel count */
1756         channel_masks_1bit,
1757         WICPixelFormatNumericRepresentationIndexed,
1758         1
1759     },
1760     {   &GUID_WICPixelFormat2bppIndexed,
1761         "The Wine Project",
1762         "2bpp Indexed",
1763         NULL, /* no version */
1764         &GUID_VendorMicrosoft,
1765         2, /* bitsperpixel */
1766         1, /* channel count */
1767         channel_masks_2bit,
1768         WICPixelFormatNumericRepresentationIndexed,
1769         1
1770     },
1771     {   &GUID_WICPixelFormat4bppIndexed,
1772         "The Wine Project",
1773         "4bpp Indexed",
1774         NULL, /* no version */
1775         &GUID_VendorMicrosoft,
1776         4, /* bitsperpixel */
1777         1, /* channel count */
1778         channel_masks_4bit,
1779         WICPixelFormatNumericRepresentationIndexed,
1780         1
1781     },
1782     {   &GUID_WICPixelFormat8bppIndexed,
1783         "The Wine Project",
1784         "8bpp Indexed",
1785         NULL, /* no version */
1786         &GUID_VendorMicrosoft,
1787         8, /* bitsperpixel */
1788         1, /* channel count */
1789         channel_masks_8bit,
1790         WICPixelFormatNumericRepresentationIndexed,
1791         1
1792     },
1793     {   &GUID_WICPixelFormatBlackWhite,
1794         "The Wine Project",
1795         "Black and White",
1796         NULL, /* no version */
1797         &GUID_VendorMicrosoft,
1798         1, /* bitsperpixel */
1799         1, /* channel count */
1800         channel_masks_1bit,
1801         WICPixelFormatNumericRepresentationUnsignedInteger,
1802         0
1803     },
1804     {   &GUID_WICPixelFormat2bppGray,
1805         "The Wine Project",
1806         "2bpp Grayscale",
1807         NULL, /* no version */
1808         &GUID_VendorMicrosoft,
1809         2, /* bitsperpixel */
1810         1, /* channel count */
1811         channel_masks_2bit,
1812         WICPixelFormatNumericRepresentationUnsignedInteger,
1813         0
1814     },
1815     {   &GUID_WICPixelFormat4bppGray,
1816         "The Wine Project",
1817         "4bpp Grayscale",
1818         NULL, /* no version */
1819         &GUID_VendorMicrosoft,
1820         4, /* bitsperpixel */
1821         1, /* channel count */
1822         channel_masks_4bit,
1823         WICPixelFormatNumericRepresentationUnsignedInteger,
1824         0
1825     },
1826     {   &GUID_WICPixelFormat8bppGray,
1827         "The Wine Project",
1828         "8bpp Grayscale",
1829         NULL, /* no version */
1830         &GUID_VendorMicrosoft,
1831         8, /* bitsperpixel */
1832         1, /* channel count */
1833         channel_masks_8bit,
1834         WICPixelFormatNumericRepresentationUnsignedInteger,
1835         0
1836     },
1837     {   &GUID_WICPixelFormat16bppGray,
1838         "The Wine Project",
1839         "16bpp Grayscale",
1840         NULL, /* no version */
1841         &GUID_VendorMicrosoft,
1842         16, /* bitsperpixel */
1843         1, /* channel count */
1844         channel_masks_16bit,
1845         WICPixelFormatNumericRepresentationUnsignedInteger,
1846         0
1847     },
1848     {   &GUID_WICPixelFormat16bppBGR555,
1849         "The Wine Project",
1850         "16bpp BGR555",
1851         NULL, /* no version */
1852         &GUID_VendorMicrosoft,
1853         16, /* bitsperpixel */
1854         3, /* channel count */
1855         channel_masks_BGRA5551,
1856         WICPixelFormatNumericRepresentationUnsignedInteger,
1857         0
1858     },
1859     {   &GUID_WICPixelFormat16bppBGR565,
1860         "The Wine Project",
1861         "16bpp BGR565",
1862         NULL, /* no version */
1863         &GUID_VendorMicrosoft,
1864         16, /* bitsperpixel */
1865         3, /* channel count */
1866         channel_masks_BGR565,
1867         WICPixelFormatNumericRepresentationUnsignedInteger,
1868         0
1869     },
1870     {   &GUID_WICPixelFormat16bppBGRA5551,
1871         "The Wine Project",
1872         "16bpp BGRA5551",
1873         NULL, /* no version */
1874         &GUID_VendorMicrosoft,
1875         16, /* bitsperpixel */
1876         4, /* channel count */
1877         channel_masks_BGRA5551,
1878         WICPixelFormatNumericRepresentationUnsignedInteger,
1879         1
1880     },
1881     {   &GUID_WICPixelFormat24bppBGR,
1882         "The Wine Project",
1883         "24bpp BGR",
1884         NULL, /* no version */
1885         &GUID_VendorMicrosoft,
1886         24, /* bitsperpixel */
1887         3, /* channel count */
1888         channel_masks_8bit,
1889         WICPixelFormatNumericRepresentationUnsignedInteger,
1890         0
1891     },
1892     {   &GUID_WICPixelFormat24bppRGB,
1893         "The Wine Project",
1894         "24bpp RGB",
1895         NULL, /* no version */
1896         &GUID_VendorMicrosoft,
1897         24, /* bitsperpixel */
1898         3, /* channel count */
1899         channel_masks_8bit,
1900         WICPixelFormatNumericRepresentationUnsignedInteger,
1901         0
1902     },
1903     {   &GUID_WICPixelFormat32bppBGR,
1904         "The Wine Project",
1905         "32bpp BGR",
1906         NULL, /* no version */
1907         &GUID_VendorMicrosoft,
1908         32, /* bitsperpixel */
1909         3, /* channel count */
1910         channel_masks_8bit,
1911         WICPixelFormatNumericRepresentationUnsignedInteger,
1912         0
1913     },
1914     {   &GUID_WICPixelFormat32bppBGRA,
1915         "The Wine Project",
1916         "32bpp BGRA",
1917         NULL, /* no version */
1918         &GUID_VendorMicrosoft,
1919         32, /* bitsperpixel */
1920         4, /* channel count */
1921         channel_masks_8bit,
1922         WICPixelFormatNumericRepresentationUnsignedInteger,
1923         1
1924     },
1925     {   &GUID_WICPixelFormat32bppPBGRA,
1926         "The Wine Project",
1927         "32bpp PBGRA",
1928         NULL, /* no version */
1929         &GUID_VendorMicrosoft,
1930         32, /* bitsperpixel */
1931         4, /* channel count */
1932         channel_masks_8bit,
1933         WICPixelFormatNumericRepresentationUnsignedInteger,
1934         1
1935     },
1936     {   &GUID_WICPixelFormat48bppRGB,
1937         "The Wine Project",
1938         "48bpp RGB",
1939         NULL, /* no version */
1940         &GUID_VendorMicrosoft,
1941         48, /* bitsperpixel */
1942         3, /* channel count */
1943         channel_masks_16bit,
1944         WICPixelFormatNumericRepresentationUnsignedInteger,
1945         0
1946     },
1947     {   &GUID_WICPixelFormat64bppRGBA,
1948         "The Wine Project",
1949         "64bpp RGBA",
1950         NULL, /* no version */
1951         &GUID_VendorMicrosoft,
1952         64, /* bitsperpixel */
1953         4, /* channel count */
1954         channel_masks_16bit,
1955         WICPixelFormatNumericRepresentationUnsignedInteger,
1956         1
1957     },
1958     {   &GUID_WICPixelFormat64bppPRGBA,
1959         "The Wine Project",
1960         "64bpp PRGBA",
1961         NULL, /* no version */
1962         &GUID_VendorMicrosoft,
1963         64, /* bitsperpixel */
1964         4, /* channel count */
1965         channel_masks_16bit,
1966         WICPixelFormatNumericRepresentationUnsignedInteger,
1967         1
1968     },
1969     {   &GUID_WICPixelFormat32bppCMYK,
1970         "The Wine Project",
1971         "32bpp CMYK",
1972         NULL, /* no version */
1973         &GUID_VendorMicrosoft,
1974         32, /* bitsperpixel */
1975         4, /* channel count */
1976         channel_masks_8bit,
1977         WICPixelFormatNumericRepresentationUnsignedInteger,
1978         0
1979     },
1980     { NULL }                    /* list terminator */
1981 };
1982
1983 struct regsvr_category
1984 {
1985     const CLSID *clsid; /* NULL for end of list */
1986 };
1987
1988 static const struct regsvr_category category_list[] = {
1989     { &CATID_WICBitmapDecoders },
1990     { &CATID_WICBitmapEncoders },
1991     { &CATID_WICFormatConverters },
1992     { &CATID_WICMetadataReader },
1993     { &CATID_WICPixelFormats },
1994     { NULL }
1995 };
1996
1997 static HRESULT register_categories(const struct regsvr_category *list)
1998 {
1999     LONG res;
2000     WCHAR buf[39];
2001     HKEY coclass_key, categories_key, instance_key;
2002
2003     res = RegCreateKeyExW(HKEY_CLASSES_ROOT, clsid_keyname, 0, NULL, 0,
2004                           KEY_READ | KEY_WRITE, NULL, &coclass_key, NULL);
2005     if (res != ERROR_SUCCESS) return HRESULT_FROM_WIN32(res);
2006
2007     StringFromGUID2(&CLSID_WICImagingCategories, buf, 39);
2008     res = RegCreateKeyExW(coclass_key, buf, 0, NULL, 0,
2009                           KEY_READ | KEY_WRITE, NULL, &categories_key, NULL);
2010     if (res != ERROR_SUCCESS)
2011     {
2012         RegCloseKey(coclass_key);
2013         return HRESULT_FROM_WIN32(res);
2014     }
2015
2016     res = RegCreateKeyExW(categories_key, instance_keyname, 0, NULL, 0,
2017                           KEY_READ | KEY_WRITE, NULL, &instance_key, NULL);
2018
2019     for (; res == ERROR_SUCCESS && list->clsid; list++)
2020     {
2021         HKEY instance_clsid_key;
2022
2023         StringFromGUID2(list->clsid, buf, 39);
2024         res = RegCreateKeyExW(instance_key, buf, 0, NULL, 0,
2025                               KEY_READ | KEY_WRITE, NULL, &instance_clsid_key, NULL);
2026         if (res == ERROR_SUCCESS)
2027         {
2028             res = RegSetValueExW(instance_clsid_key, clsid_valuename, 0, REG_SZ,
2029                                  (const BYTE *)buf, 78);
2030             RegCloseKey(instance_clsid_key);
2031         }
2032     }
2033
2034     RegCloseKey(instance_key);
2035     RegCloseKey(categories_key);
2036     RegCloseKey(coclass_key);
2037
2038     return res != ERROR_SUCCESS ? HRESULT_FROM_WIN32(res) : S_OK;
2039 }
2040
2041 static HRESULT unregister_categories(const struct regsvr_category *list)
2042 {
2043     LONG res;
2044     WCHAR buf[39];
2045     HKEY coclass_key, categories_key, instance_key;
2046
2047     res = RegOpenKeyExW(HKEY_CLASSES_ROOT, clsid_keyname, 0,
2048                         KEY_READ | KEY_WRITE, &coclass_key);
2049     if (res != ERROR_SUCCESS) return HRESULT_FROM_WIN32(res);
2050
2051     StringFromGUID2(&CLSID_WICImagingCategories, buf, 39);
2052     res = RegOpenKeyExW(coclass_key, buf, 0,
2053                         KEY_READ | KEY_WRITE, &categories_key);
2054     if (res != ERROR_SUCCESS)
2055     {
2056         if (res == ERROR_FILE_NOT_FOUND) res = ERROR_SUCCESS;
2057         RegCloseKey(coclass_key);
2058         return HRESULT_FROM_WIN32(res);
2059     }
2060
2061     res = RegOpenKeyExW(categories_key, instance_keyname, 0,
2062                           KEY_READ | KEY_WRITE, &instance_key);
2063
2064     for (; res == ERROR_SUCCESS && list->clsid; list++)
2065     {
2066         StringFromGUID2(list->clsid, buf, 39);
2067         res = RegDeleteTreeW(instance_key, buf);
2068     }
2069
2070     RegCloseKey(instance_key);
2071     RegCloseKey(categories_key);
2072
2073     StringFromGUID2(&CLSID_WICImagingCategories, buf, 39);
2074     res = RegDeleteTreeW(coclass_key, buf);
2075
2076     RegCloseKey(coclass_key);
2077
2078     return res != ERROR_SUCCESS ? HRESULT_FROM_WIN32(res) : S_OK;
2079 }
2080
2081 extern HRESULT WINAPI WIC_DllRegisterServer(void) DECLSPEC_HIDDEN;
2082 extern HRESULT WINAPI WIC_DllUnregisterServer(void) DECLSPEC_HIDDEN;
2083
2084 HRESULT WINAPI DllRegisterServer(void)
2085 {
2086     HRESULT hr;
2087
2088     TRACE("\n");
2089
2090     hr = WIC_DllRegisterServer();
2091     if (SUCCEEDED(hr))
2092         hr = register_categories(category_list);
2093     if (SUCCEEDED(hr))
2094         hr = register_decoders(decoder_list);
2095     if (SUCCEEDED(hr))
2096         hr = register_encoders(encoder_list);
2097     if (SUCCEEDED(hr))
2098         hr = register_converters(converter_list);
2099     if (SUCCEEDED(hr))
2100         hr = register_metadatareaders(metadatareader_list);
2101     if (SUCCEEDED(hr))
2102         hr = register_pixelformats(pixelformat_list);
2103     return hr;
2104 }
2105
2106 HRESULT WINAPI DllUnregisterServer(void)
2107 {
2108     HRESULT hr;
2109
2110     TRACE("\n");
2111
2112     hr = WIC_DllUnregisterServer();
2113     if (SUCCEEDED(hr))
2114         hr = unregister_categories(category_list);
2115     if (SUCCEEDED(hr))
2116         hr = unregister_decoders(decoder_list);
2117     if (SUCCEEDED(hr))
2118         hr = unregister_encoders(encoder_list);
2119     if (SUCCEEDED(hr))
2120         hr = unregister_converters(converter_list);
2121     if (SUCCEEDED(hr))
2122         hr = unregister_metadatareaders(metadatareader_list);
2123     if (SUCCEEDED(hr))
2124         hr = unregister_pixelformats(pixelformat_list);
2125     return hr;
2126 }