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_WICPixelFormat48bppRGB,
1456     &GUID_WICPixelFormat64bppRGBA,
1457     &GUID_WICPixelFormat32bppCMYK,
1458     NULL
1459 };
1460
1461 static struct regsvr_converter const converter_list[] = {
1462     {   &CLSID_WICDefaultFormatConverter,
1463         "The Wine Project",
1464         "Default Pixel Format Converter",
1465         "1.0.0.0",
1466         &GUID_VendorMicrosoft,
1467         converter_formats
1468     },
1469     { NULL }                    /* list terminator */
1470 };
1471
1472 static const BYTE no_magic[1] = { 0 };
1473 static const BYTE no_mask[1] = { 0 };
1474
1475 static const struct metadata_pattern ifd_metadata_pattern[] = {
1476     { 0, 1, no_magic, no_mask, 0 },
1477     { 0 }
1478 };
1479
1480 static const struct reader_containers ifd_containers[] = {
1481     {
1482         &GUID_ContainerFormatTiff,
1483         ifd_metadata_pattern
1484     },
1485     { NULL } /* list terminator */
1486 };
1487
1488 static const BYTE tEXt[] = "tEXt";
1489
1490 static const struct metadata_pattern pngtext_metadata_pattern[] = {
1491     { 4, 4, tEXt, mask_all, 4 },
1492     { 0 }
1493 };
1494
1495 static const struct reader_containers pngtext_containers[] = {
1496     {
1497         &GUID_ContainerFormatPng,
1498         pngtext_metadata_pattern
1499     },
1500     { NULL } /* list terminator */
1501 };
1502
1503 static const BYTE gAMA[] = "gAMA";
1504
1505 static const struct metadata_pattern pnggama_metadata_pattern[] = {
1506     { 4, 4, gAMA, mask_all, 4 },
1507     { 0 }
1508 };
1509
1510 static const struct reader_containers pnggama_containers[] = {
1511     {
1512         &GUID_ContainerFormatPng,
1513         pnggama_metadata_pattern
1514     },
1515     { NULL } /* list terminator */
1516 };
1517
1518 static const struct metadata_pattern lsd_metadata_patterns[] = {
1519     { 0, 6, gif87a_magic, mask_all, 0 },
1520     { 0, 6, gif89a_magic, mask_all, 0 },
1521     { 0 }
1522 };
1523
1524 static const struct reader_containers lsd_containers[] = {
1525     {
1526         &GUID_ContainerFormatGif,
1527         lsd_metadata_patterns
1528     },
1529     { NULL } /* list terminator */
1530 };
1531
1532 static const BYTE imd_magic[] = { 0x2c };
1533
1534 static const struct metadata_pattern imd_metadata_pattern[] = {
1535     { 0, 1, imd_magic, mask_all, 1 },
1536     { 0 }
1537 };
1538
1539 static const struct reader_containers imd_containers[] = {
1540     {
1541         &GUID_ContainerFormatGif,
1542         imd_metadata_pattern
1543     },
1544     { NULL } /* list terminator */
1545 };
1546
1547 static const BYTE gce_magic[] = { 0x21, 0xf9, 0x04 };
1548
1549 static const struct metadata_pattern gce_metadata_pattern[] = {
1550     { 0, 3, gce_magic, mask_all, 3 },
1551     { 0 }
1552 };
1553
1554 static const struct reader_containers gce_containers[] = {
1555     {
1556         &GUID_ContainerFormatGif,
1557         gce_metadata_pattern
1558     },
1559     { NULL } /* list terminator */
1560 };
1561
1562 static const BYTE ape_magic[] = { 0x21, 0xff, 0x0b };
1563
1564 static const struct metadata_pattern ape_metadata_pattern[] = {
1565     { 0, 3, ape_magic, mask_all, 0 },
1566     { 0 }
1567 };
1568
1569 static const struct reader_containers ape_containers[] = {
1570     {
1571         &GUID_ContainerFormatGif,
1572         ape_metadata_pattern
1573     },
1574     { NULL } /* list terminator */
1575 };
1576
1577 static const BYTE gif_comment_magic[] = { 0x21, 0xfe };
1578
1579 static const struct metadata_pattern gif_comment_metadata_pattern[] = {
1580     { 0, 2, gif_comment_magic, mask_all, 0 },
1581     { 0 }
1582 };
1583
1584 static const struct reader_containers gif_comment_containers[] = {
1585     {
1586         &GUID_ContainerFormatGif,
1587         gif_comment_metadata_pattern
1588     },
1589     { NULL } /* list terminator */
1590 };
1591
1592 static struct regsvr_metadatareader const metadatareader_list[] = {
1593     {   &CLSID_WICUnknownMetadataReader,
1594         "The Wine Project",
1595         "Unknown Metadata Reader",
1596         "1.0.0.0",
1597         "1.0.0.0",
1598         &GUID_VendorMicrosoft,
1599         &GUID_MetadataFormatUnknown,
1600         0, 0, 0,
1601         NULL
1602     },
1603     {   &CLSID_WICIfdMetadataReader,
1604         "The Wine Project",
1605         "Ifd Reader",
1606         "1.0.0.0",
1607         "1.0.0.0",
1608         &GUID_VendorMicrosoft,
1609         &GUID_MetadataFormatIfd,
1610         1, 1, 0,
1611         ifd_containers
1612     },
1613     {   &CLSID_WICPngGamaMetadataReader,
1614         "The Wine Project",
1615         "Chunk gAMA Reader",
1616         "1.0.0.0",
1617         "1.0.0.0",
1618         &GUID_VendorMicrosoft,
1619         &GUID_MetadataFormatChunkgAMA,
1620         0, 0, 0,
1621         pnggama_containers
1622     },
1623     {   &CLSID_WICPngTextMetadataReader,
1624         "The Wine Project",
1625         "Chunk tEXt Reader",
1626         "1.0.0.0",
1627         "1.0.0.0",
1628         &GUID_VendorMicrosoft,
1629         &GUID_MetadataFormatChunktEXt,
1630         0, 0, 0,
1631         pngtext_containers
1632     },
1633     {   &CLSID_WICLSDMetadataReader,
1634         "The Wine Project",
1635         "Logical Screen Descriptor Reader",
1636         "1.0.0.0",
1637         "1.0.0.0",
1638         &GUID_VendorMicrosoft,
1639         &GUID_MetadataFormatLSD,
1640         0, 0, 0,
1641         lsd_containers
1642     },
1643     {   &CLSID_WICIMDMetadataReader,
1644         "The Wine Project",
1645         "Image Descriptor Reader",
1646         "1.0.0.0",
1647         "1.0.0.0",
1648         &GUID_VendorMicrosoft,
1649         &GUID_MetadataFormatIMD,
1650         0, 0, 0,
1651         imd_containers
1652     },
1653     {   &CLSID_WICGCEMetadataReader,
1654         "The Wine Project",
1655         "Graphic Control Extension Reader",
1656         "1.0.0.0",
1657         "1.0.0.0",
1658         &GUID_VendorMicrosoft,
1659         &GUID_MetadataFormatGCE,
1660         0, 0, 0,
1661         gce_containers
1662     },
1663     {   &CLSID_WICAPEMetadataReader,
1664         "The Wine Project",
1665         "Application Extension Reader",
1666         "1.0.0.0",
1667         "1.0.0.0",
1668         &GUID_VendorMicrosoft,
1669         &GUID_MetadataFormatAPE,
1670         0, 0, 0,
1671         ape_containers
1672     },
1673     {   &CLSID_WICGifCommentMetadataReader,
1674         "The Wine Project",
1675         "Comment Extension Reader",
1676         "1.0.0.0",
1677         "1.0.0.0",
1678         &GUID_VendorMicrosoft,
1679         &GUID_MetadataFormatGifComment,
1680         0, 0, 0,
1681         gif_comment_containers
1682     },
1683     { NULL }                    /* list terminator */
1684 };
1685
1686 static BYTE const channel_mask_1bit[] = { 0x01 };
1687 static BYTE const channel_mask_2bit[] = { 0x03 };
1688 static BYTE const channel_mask_4bit[] = { 0x0f };
1689
1690 static BYTE const channel_mask_8bit[] = { 0xff, 0x00, 0x00, 0x00 };
1691 static BYTE const channel_mask_8bit2[] = { 0x00, 0xff, 0x00, 0x00 };
1692 static BYTE const channel_mask_8bit3[] = { 0x00, 0x00, 0xff, 0x00 };
1693 static BYTE const channel_mask_8bit4[] = { 0x00, 0x00, 0x00, 0xff };
1694
1695 static BYTE const channel_mask_16bit[] = { 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
1696 static BYTE const channel_mask_16bit2[] = { 0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00 };
1697 static BYTE const channel_mask_16bit3[] = { 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0x00, 0x00 };
1698 static BYTE const channel_mask_16bit4[] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff };
1699
1700 static BYTE const channel_mask_5bit[] = { 0x1f, 0x00 };
1701 static BYTE const channel_mask_5bit2[] = { 0xe0, 0x03 };
1702 static BYTE const channel_mask_5bit3[] = { 0x00, 0x7c };
1703 static BYTE const channel_mask_5bit4[] = { 0x00, 0x80 };
1704
1705 static BYTE const channel_mask_BGR565_2[] = { 0xe0, 0x07 };
1706 static BYTE const channel_mask_BGR565_3[] = { 0x00, 0xf8 };
1707
1708 static BYTE const * const channel_masks_1bit[] = { channel_mask_1bit };
1709 static BYTE const * const channel_masks_2bit[] = { channel_mask_2bit };
1710 static BYTE const * const channel_masks_4bit[] = { channel_mask_4bit };
1711 static BYTE const * const channel_masks_8bit[] = { channel_mask_8bit,
1712     channel_mask_8bit2, channel_mask_8bit3, channel_mask_8bit4 };
1713 static BYTE const * const channel_masks_16bit[] = { channel_mask_16bit,
1714     channel_mask_16bit2, channel_mask_16bit3, channel_mask_16bit4};
1715
1716 static BYTE const * const channel_masks_BGRA5551[] = { channel_mask_5bit,
1717     channel_mask_5bit2, channel_mask_5bit3, channel_mask_5bit4 };
1718
1719 static BYTE const * const channel_masks_BGR565[] = { channel_mask_5bit,
1720     channel_mask_BGR565_2, channel_mask_BGR565_3 };
1721
1722 static struct regsvr_pixelformat const pixelformat_list[] = {
1723     {   &GUID_WICPixelFormat1bppIndexed,
1724         "The Wine Project",
1725         "1bpp Indexed",
1726         NULL, /* no version */
1727         &GUID_VendorMicrosoft,
1728         1, /* bitsperpixel */
1729         1, /* channel count */
1730         channel_masks_1bit,
1731         WICPixelFormatNumericRepresentationIndexed,
1732         1
1733     },
1734     {   &GUID_WICPixelFormat2bppIndexed,
1735         "The Wine Project",
1736         "2bpp Indexed",
1737         NULL, /* no version */
1738         &GUID_VendorMicrosoft,
1739         2, /* bitsperpixel */
1740         1, /* channel count */
1741         channel_masks_2bit,
1742         WICPixelFormatNumericRepresentationIndexed,
1743         1
1744     },
1745     {   &GUID_WICPixelFormat4bppIndexed,
1746         "The Wine Project",
1747         "4bpp Indexed",
1748         NULL, /* no version */
1749         &GUID_VendorMicrosoft,
1750         4, /* bitsperpixel */
1751         1, /* channel count */
1752         channel_masks_4bit,
1753         WICPixelFormatNumericRepresentationIndexed,
1754         1
1755     },
1756     {   &GUID_WICPixelFormat8bppIndexed,
1757         "The Wine Project",
1758         "8bpp Indexed",
1759         NULL, /* no version */
1760         &GUID_VendorMicrosoft,
1761         8, /* bitsperpixel */
1762         1, /* channel count */
1763         channel_masks_8bit,
1764         WICPixelFormatNumericRepresentationIndexed,
1765         1
1766     },
1767     {   &GUID_WICPixelFormatBlackWhite,
1768         "The Wine Project",
1769         "Black and White",
1770         NULL, /* no version */
1771         &GUID_VendorMicrosoft,
1772         1, /* bitsperpixel */
1773         1, /* channel count */
1774         channel_masks_1bit,
1775         WICPixelFormatNumericRepresentationUnsignedInteger,
1776         0
1777     },
1778     {   &GUID_WICPixelFormat2bppGray,
1779         "The Wine Project",
1780         "2bpp Grayscale",
1781         NULL, /* no version */
1782         &GUID_VendorMicrosoft,
1783         2, /* bitsperpixel */
1784         1, /* channel count */
1785         channel_masks_2bit,
1786         WICPixelFormatNumericRepresentationUnsignedInteger,
1787         0
1788     },
1789     {   &GUID_WICPixelFormat4bppGray,
1790         "The Wine Project",
1791         "4bpp Grayscale",
1792         NULL, /* no version */
1793         &GUID_VendorMicrosoft,
1794         4, /* bitsperpixel */
1795         1, /* channel count */
1796         channel_masks_4bit,
1797         WICPixelFormatNumericRepresentationUnsignedInteger,
1798         0
1799     },
1800     {   &GUID_WICPixelFormat8bppGray,
1801         "The Wine Project",
1802         "8bpp Grayscale",
1803         NULL, /* no version */
1804         &GUID_VendorMicrosoft,
1805         8, /* bitsperpixel */
1806         1, /* channel count */
1807         channel_masks_8bit,
1808         WICPixelFormatNumericRepresentationUnsignedInteger,
1809         0
1810     },
1811     {   &GUID_WICPixelFormat16bppGray,
1812         "The Wine Project",
1813         "16bpp Grayscale",
1814         NULL, /* no version */
1815         &GUID_VendorMicrosoft,
1816         16, /* bitsperpixel */
1817         1, /* channel count */
1818         channel_masks_16bit,
1819         WICPixelFormatNumericRepresentationUnsignedInteger,
1820         0
1821     },
1822     {   &GUID_WICPixelFormat16bppBGR555,
1823         "The Wine Project",
1824         "16bpp BGR555",
1825         NULL, /* no version */
1826         &GUID_VendorMicrosoft,
1827         16, /* bitsperpixel */
1828         3, /* channel count */
1829         channel_masks_BGRA5551,
1830         WICPixelFormatNumericRepresentationUnsignedInteger,
1831         0
1832     },
1833     {   &GUID_WICPixelFormat16bppBGR565,
1834         "The Wine Project",
1835         "16bpp BGR565",
1836         NULL, /* no version */
1837         &GUID_VendorMicrosoft,
1838         16, /* bitsperpixel */
1839         3, /* channel count */
1840         channel_masks_BGR565,
1841         WICPixelFormatNumericRepresentationUnsignedInteger,
1842         0
1843     },
1844     {   &GUID_WICPixelFormat16bppBGRA5551,
1845         "The Wine Project",
1846         "16bpp BGRA5551",
1847         NULL, /* no version */
1848         &GUID_VendorMicrosoft,
1849         16, /* bitsperpixel */
1850         4, /* channel count */
1851         channel_masks_BGRA5551,
1852         WICPixelFormatNumericRepresentationUnsignedInteger,
1853         1
1854     },
1855     {   &GUID_WICPixelFormat24bppBGR,
1856         "The Wine Project",
1857         "24bpp BGR",
1858         NULL, /* no version */
1859         &GUID_VendorMicrosoft,
1860         24, /* bitsperpixel */
1861         3, /* channel count */
1862         channel_masks_8bit,
1863         WICPixelFormatNumericRepresentationUnsignedInteger,
1864         0
1865     },
1866     {   &GUID_WICPixelFormat24bppRGB,
1867         "The Wine Project",
1868         "24bpp RGB",
1869         NULL, /* no version */
1870         &GUID_VendorMicrosoft,
1871         24, /* bitsperpixel */
1872         3, /* channel count */
1873         channel_masks_8bit,
1874         WICPixelFormatNumericRepresentationUnsignedInteger,
1875         0
1876     },
1877     {   &GUID_WICPixelFormat32bppBGR,
1878         "The Wine Project",
1879         "32bpp BGR",
1880         NULL, /* no version */
1881         &GUID_VendorMicrosoft,
1882         32, /* bitsperpixel */
1883         3, /* channel count */
1884         channel_masks_8bit,
1885         WICPixelFormatNumericRepresentationUnsignedInteger,
1886         0
1887     },
1888     {   &GUID_WICPixelFormat32bppBGRA,
1889         "The Wine Project",
1890         "32bpp BGRA",
1891         NULL, /* no version */
1892         &GUID_VendorMicrosoft,
1893         32, /* bitsperpixel */
1894         4, /* channel count */
1895         channel_masks_8bit,
1896         WICPixelFormatNumericRepresentationUnsignedInteger,
1897         1
1898     },
1899     {   &GUID_WICPixelFormat32bppPBGRA,
1900         "The Wine Project",
1901         "32bpp PBGRA",
1902         NULL, /* no version */
1903         &GUID_VendorMicrosoft,
1904         32, /* bitsperpixel */
1905         4, /* channel count */
1906         channel_masks_8bit,
1907         WICPixelFormatNumericRepresentationUnsignedInteger,
1908         1
1909     },
1910     {   &GUID_WICPixelFormat48bppRGB,
1911         "The Wine Project",
1912         "48bpp RGB",
1913         NULL, /* no version */
1914         &GUID_VendorMicrosoft,
1915         48, /* bitsperpixel */
1916         3, /* channel count */
1917         channel_masks_16bit,
1918         WICPixelFormatNumericRepresentationUnsignedInteger,
1919         0
1920     },
1921     {   &GUID_WICPixelFormat64bppRGBA,
1922         "The Wine Project",
1923         "64bpp RGBA",
1924         NULL, /* no version */
1925         &GUID_VendorMicrosoft,
1926         64, /* bitsperpixel */
1927         4, /* channel count */
1928         channel_masks_16bit,
1929         WICPixelFormatNumericRepresentationUnsignedInteger,
1930         1
1931     },
1932     {   &GUID_WICPixelFormat64bppPRGBA,
1933         "The Wine Project",
1934         "64bpp PRGBA",
1935         NULL, /* no version */
1936         &GUID_VendorMicrosoft,
1937         64, /* bitsperpixel */
1938         4, /* channel count */
1939         channel_masks_16bit,
1940         WICPixelFormatNumericRepresentationUnsignedInteger,
1941         1
1942     },
1943     {   &GUID_WICPixelFormat32bppCMYK,
1944         "The Wine Project",
1945         "32bpp CMYK",
1946         NULL, /* no version */
1947         &GUID_VendorMicrosoft,
1948         32, /* bitsperpixel */
1949         4, /* channel count */
1950         channel_masks_8bit,
1951         WICPixelFormatNumericRepresentationUnsignedInteger,
1952         0
1953     },
1954     { NULL }                    /* list terminator */
1955 };
1956
1957 struct regsvr_category
1958 {
1959     const CLSID *clsid; /* NULL for end of list */
1960 };
1961
1962 static const struct regsvr_category category_list[] = {
1963     { &CATID_WICBitmapDecoders },
1964     { &CATID_WICBitmapEncoders },
1965     { &CATID_WICFormatConverters },
1966     { &CATID_WICMetadataReader },
1967     { &CATID_WICPixelFormats },
1968     { NULL }
1969 };
1970
1971 static HRESULT register_categories(const struct regsvr_category *list)
1972 {
1973     LONG res;
1974     WCHAR buf[39];
1975     HKEY coclass_key, categories_key, instance_key;
1976
1977     res = RegCreateKeyExW(HKEY_CLASSES_ROOT, clsid_keyname, 0, NULL, 0,
1978                           KEY_READ | KEY_WRITE, NULL, &coclass_key, NULL);
1979     if (res != ERROR_SUCCESS) return HRESULT_FROM_WIN32(res);
1980
1981     StringFromGUID2(&CLSID_WICImagingCategories, buf, 39);
1982     res = RegCreateKeyExW(coclass_key, buf, 0, NULL, 0,
1983                           KEY_READ | KEY_WRITE, NULL, &categories_key, NULL);
1984     if (res != ERROR_SUCCESS)
1985     {
1986         RegCloseKey(coclass_key);
1987         return HRESULT_FROM_WIN32(res);
1988     }
1989
1990     res = RegCreateKeyExW(categories_key, instance_keyname, 0, NULL, 0,
1991                           KEY_READ | KEY_WRITE, NULL, &instance_key, NULL);
1992
1993     for (; res == ERROR_SUCCESS && list->clsid; list++)
1994     {
1995         HKEY instance_clsid_key;
1996
1997         StringFromGUID2(list->clsid, buf, 39);
1998         res = RegCreateKeyExW(instance_key, buf, 0, NULL, 0,
1999                               KEY_READ | KEY_WRITE, NULL, &instance_clsid_key, NULL);
2000         if (res == ERROR_SUCCESS)
2001         {
2002             res = RegSetValueExW(instance_clsid_key, clsid_valuename, 0, REG_SZ,
2003                                  (const BYTE *)buf, 78);
2004             RegCloseKey(instance_clsid_key);
2005         }
2006     }
2007
2008     RegCloseKey(instance_key);
2009     RegCloseKey(categories_key);
2010     RegCloseKey(coclass_key);
2011
2012     return res != ERROR_SUCCESS ? HRESULT_FROM_WIN32(res) : S_OK;
2013 }
2014
2015 static HRESULT unregister_categories(const struct regsvr_category *list)
2016 {
2017     LONG res;
2018     WCHAR buf[39];
2019     HKEY coclass_key, categories_key, instance_key;
2020
2021     res = RegOpenKeyExW(HKEY_CLASSES_ROOT, clsid_keyname, 0,
2022                         KEY_READ | KEY_WRITE, &coclass_key);
2023     if (res != ERROR_SUCCESS) return HRESULT_FROM_WIN32(res);
2024
2025     StringFromGUID2(&CLSID_WICImagingCategories, buf, 39);
2026     res = RegOpenKeyExW(coclass_key, buf, 0,
2027                         KEY_READ | KEY_WRITE, &categories_key);
2028     if (res != ERROR_SUCCESS)
2029     {
2030         if (res == ERROR_FILE_NOT_FOUND) res = ERROR_SUCCESS;
2031         RegCloseKey(coclass_key);
2032         return HRESULT_FROM_WIN32(res);
2033     }
2034
2035     res = RegOpenKeyExW(categories_key, instance_keyname, 0,
2036                           KEY_READ | KEY_WRITE, &instance_key);
2037
2038     for (; res == ERROR_SUCCESS && list->clsid; list++)
2039     {
2040         StringFromGUID2(list->clsid, buf, 39);
2041         res = RegDeleteTreeW(instance_key, buf);
2042     }
2043
2044     RegCloseKey(instance_key);
2045     RegCloseKey(categories_key);
2046
2047     StringFromGUID2(&CLSID_WICImagingCategories, buf, 39);
2048     res = RegDeleteTreeW(coclass_key, buf);
2049
2050     RegCloseKey(coclass_key);
2051
2052     return res != ERROR_SUCCESS ? HRESULT_FROM_WIN32(res) : S_OK;
2053 }
2054
2055 extern HRESULT WINAPI WIC_DllRegisterServer(void) DECLSPEC_HIDDEN;
2056 extern HRESULT WINAPI WIC_DllUnregisterServer(void) DECLSPEC_HIDDEN;
2057
2058 HRESULT WINAPI DllRegisterServer(void)
2059 {
2060     HRESULT hr;
2061
2062     TRACE("\n");
2063
2064     hr = WIC_DllRegisterServer();
2065     if (SUCCEEDED(hr))
2066         hr = register_categories(category_list);
2067     if (SUCCEEDED(hr))
2068         hr = register_decoders(decoder_list);
2069     if (SUCCEEDED(hr))
2070         hr = register_encoders(encoder_list);
2071     if (SUCCEEDED(hr))
2072         hr = register_converters(converter_list);
2073     if (SUCCEEDED(hr))
2074         hr = register_metadatareaders(metadatareader_list);
2075     if (SUCCEEDED(hr))
2076         hr = register_pixelformats(pixelformat_list);
2077     return hr;
2078 }
2079
2080 HRESULT WINAPI DllUnregisterServer(void)
2081 {
2082     HRESULT hr;
2083
2084     TRACE("\n");
2085
2086     hr = WIC_DllUnregisterServer();
2087     if (SUCCEEDED(hr))
2088         hr = unregister_categories(category_list);
2089     if (SUCCEEDED(hr))
2090         hr = unregister_decoders(decoder_list);
2091     if (SUCCEEDED(hr))
2092         hr = unregister_encoders(encoder_list);
2093     if (SUCCEEDED(hr))
2094         hr = unregister_converters(converter_list);
2095     if (SUCCEEDED(hr))
2096         hr = unregister_metadatareaders(metadatareader_list);
2097     if (SUCCEEDED(hr))
2098         hr = unregister_pixelformats(pixelformat_list);
2099     return hr;
2100 }