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

   1 /*
   2  * Copyright 2009 Vincent Povirk for CodeWeavers
   3  * Copyright 2012 Dmitry Timoshkov
   4  *
   5  * This library is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Lesser General Public
   7  * License as published by the Free Software Foundation; either
   8  * version 2.1 of the License, or (at your option) any later version.
   9  *
  10  * This library is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * Lesser General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Lesser General Public
  16  * License along with this library; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  18  */
  19
  20 #include "config.h"
  21
  22 #include <stdarg.h>
  23
  24 #define COBJMACROS
  25
  26 #include "windef.h"
  27 #include "winbase.h"
  28 #include "winreg.h"
  29 #include "objbase.h"
  30 #include "shellapi.h"
  31 #include "wincodec.h"
  32 #include "wincodecsdk.h"
  33
  34 #include "wincodecs_private.h"
  35
  36 #include "wine/debug.h"
  37
  38 WINE_DEFAULT_DEBUG_CHANNEL(wincodecs);
  39
  40 typedef struct {
  41     IWICComponentFactory IWICComponentFactory_iface;
  42     LONG ref;
  43 } ComponentFactory;
  44
  45 static inline ComponentFactory *impl_from_IWICComponentFactory(IWICComponentFactory *iface)
  46 {
  47     return CONTAINING_RECORD(iface, ComponentFactory, IWICComponentFactory_iface);
  48 }
  49
  50 static HRESULT WINAPI ComponentFactory_QueryInterface(IWICComponentFactory *iface, REFIID iid,
  51     void **ppv)
  52 {
  53     ComponentFactory *This = impl_from_IWICComponentFactory(iface);
  54     TRACE("(%p,%s,%p)\n", iface, debugstr_guid(iid), ppv);
  55
  56     if (!ppv) return E_INVALIDARG;
  57
  58     if (IsEqualIID(&IID_IUnknown, iid) ||
  59         IsEqualIID(&IID_IWICImagingFactory, iid) ||
  60         IsEqualIID(&IID_IWICComponentFactory, iid))
  61     {
  62         *ppv = &This->IWICComponentFactory_iface;
  63     }
  64     else
  65     {
  66         *ppv = NULL;
  67         return E_NOINTERFACE;
  68     }
  69
  70     IUnknown_AddRef((IUnknown*)*ppv);
  71     return S_OK;
  72 }
  73
  74 static ULONG WINAPI ComponentFactory_AddRef(IWICComponentFactory *iface)
  75 {
  76     ComponentFactory *This = impl_from_IWICComponentFactory(iface);
  77     ULONG ref = InterlockedIncrement(&This->ref);
  78
  79     TRACE("(%p) refcount=%u\n", iface, ref);
  80
  81     return ref;
  82 }
  83
  84 static ULONG WINAPI ComponentFactory_Release(IWICComponentFactory *iface)
  85 {
  86     ComponentFactory *This = impl_from_IWICComponentFactory(iface);
  87     ULONG ref = InterlockedDecrement(&This->ref);
  88
  89     TRACE("(%p) refcount=%u\n", iface, ref);
  90
  91     if (ref == 0)
  92         HeapFree(GetProcessHeap(), 0, This);
  93
  94     return ref;
  95 }
  96
  97 static HRESULT WINAPI ComponentFactory_CreateDecoderFromFilename(
  98     IWICComponentFactory *iface, LPCWSTR wzFilename, const GUID *pguidVendor,
  99     DWORD dwDesiredAccess, WICDecodeOptions metadataOptions,
 100     IWICBitmapDecoder **ppIDecoder)
 101 {
 102     IWICStream *stream;
 103     HRESULT hr;
 104
 105     TRACE("(%p,%s,%s,%u,%u,%p)\n", iface, debugstr_w(wzFilename),
 106         debugstr_guid(pguidVendor), dwDesiredAccess, metadataOptions, ppIDecoder);
 107
 108     hr = StreamImpl_Create(&stream);
 109     if (SUCCEEDED(hr))
 110     {
 111         hr = IWICStream_InitializeFromFilename(stream, wzFilename, dwDesiredAccess);
 112
 113         if (SUCCEEDED(hr))
 114         {
 115             hr = IWICComponentFactory_CreateDecoderFromStream(iface, (IStream*)stream,
 116                 pguidVendor, metadataOptions, ppIDecoder);
 117         }
 118
 119         IWICStream_Release(stream);
 120     }
 121
 122     return hr;
 123 }
 124
 125 static IWICBitmapDecoder *find_decoder(IStream *pIStream, const GUID *pguidVendor,
 126                                        WICDecodeOptions metadataOptions)
 127 {
 128     IEnumUnknown *enumdecoders;
 129     IUnknown *unkdecoderinfo;
 130     IWICBitmapDecoderInfo *decoderinfo;
 131     IWICBitmapDecoder *decoder = NULL;
 132     GUID vendor;
 133     HRESULT res;
 134     ULONG num_fetched;
 135     BOOL matches;
 136
 137     res = CreateComponentEnumerator(WICDecoder, WICComponentEnumerateDefault, &enumdecoders);
 138     if (FAILED(res)) return NULL;
 139
 140     while (!decoder)
 141     {
 142         res = IEnumUnknown_Next(enumdecoders, 1, &unkdecoderinfo, &num_fetched);
 143
 144         if (res == S_OK)
 145         {
 146             res = IUnknown_QueryInterface(unkdecoderinfo, &IID_IWICBitmapDecoderInfo, (void**)&decoderinfo);
 147
 148             if (SUCCEEDED(res))
 149             {
 150                 if (pguidVendor)
 151                 {
 152                     res = IWICBitmapDecoderInfo_GetVendorGUID(decoderinfo, &vendor);
 153                     if (FAILED(res) || !IsEqualIID(&vendor, pguidVendor))
 154                     {
 155                         IWICBitmapDecoderInfo_Release(decoderinfo);
 156                         IUnknown_Release(unkdecoderinfo);
 157                         continue;
 158                     }
 159                 }
 160
 161                 res = IWICBitmapDecoderInfo_MatchesPattern(decoderinfo, pIStream, &matches);
 162
 163                 if (SUCCEEDED(res) && matches)
 164                 {
 165                     res = IWICBitmapDecoderInfo_CreateInstance(decoderinfo, &decoder);
 166
 167                     /* FIXME: should use QueryCapability to choose a decoder */
 168
 169                     if (SUCCEEDED(res))
 170                     {
 171                         res = IWICBitmapDecoder_Initialize(decoder, pIStream, metadataOptions);
 172
 173                         if (FAILED(res))
 174                         {
 175                             IWICBitmapDecoder_Release(decoder);
 176                             decoder = NULL;
 177                         }
 178                     }
 179                 }
 180
 181                 IWICBitmapDecoderInfo_Release(decoderinfo);
 182             }
 183
 184             IUnknown_Release(unkdecoderinfo);
 185         }
 186         else
 187             break;
 188     }
 189
 190     IEnumUnknown_Release(enumdecoders);
 191
 192     return decoder;
 193 }
 194
 195 static HRESULT WINAPI ComponentFactory_CreateDecoderFromStream(
 196     IWICComponentFactory *iface, IStream *pIStream, const GUID *pguidVendor,
 197     WICDecodeOptions metadataOptions, IWICBitmapDecoder **ppIDecoder)
 198 {
 199     HRESULT res;
 200     IWICBitmapDecoder *decoder = NULL;
 201
 202     TRACE("(%p,%p,%s,%u,%p)\n", iface, pIStream, debugstr_guid(pguidVendor),
 203         metadataOptions, ppIDecoder);
 204
 205     if (pguidVendor)
 206         decoder = find_decoder(pIStream, pguidVendor, metadataOptions);
 207     if (!decoder)
 208         decoder = find_decoder(pIStream, NULL, metadataOptions);
 209
 210     if (decoder)
 211     {
 212         *ppIDecoder = decoder;
 213         return S_OK;
 214     }
 215     else
 216     {
 217         if (WARN_ON(wincodecs))
 218         {
 219             LARGE_INTEGER seek;
 220             BYTE data[4];
 221             ULONG bytesread;
 222
 223             WARN("failed to load from a stream\n");
 224
 225             seek.QuadPart = 0;
 226             res = IStream_Seek(pIStream, seek, STREAM_SEEK_SET, NULL);
 227             if (SUCCEEDED(res))
 228                 res = IStream_Read(pIStream, data, 4, &bytesread);
 229             if (SUCCEEDED(res))
 230                 WARN("first %i bytes of stream=%x %x %x %x\n", bytesread, data[0], data[1], data[2], data[3]);
 231         }
 232         *ppIDecoder = NULL;
 233         return WINCODEC_ERR_COMPONENTNOTFOUND;
 234     }
 235 }
 236
 237 static HRESULT WINAPI ComponentFactory_CreateDecoderFromFileHandle(
 238     IWICComponentFactory *iface, ULONG_PTR hFile, const GUID *pguidVendor,
 239     WICDecodeOptions metadataOptions, IWICBitmapDecoder **ppIDecoder)
 240 {
 241     IWICStream *stream;
 242     HRESULT hr;
 243
 244     TRACE("(%p,%lx,%s,%u,%p)\n", iface, hFile, debugstr_guid(pguidVendor),
 245         metadataOptions, ppIDecoder);
 246
 247     hr = StreamImpl_Create(&stream);
 248     if (SUCCEEDED(hr))
 249     {
 250         hr = stream_initialize_from_filehandle(stream, (HANDLE)hFile);
 251         if (SUCCEEDED(hr))
 252         {
 253             hr = IWICComponentFactory_CreateDecoderFromStream(iface, (IStream*)stream,
 254                 pguidVendor, metadataOptions, ppIDecoder);
 255         }
 256         IWICStream_Release(stream);
 257     }
 258     return hr;
 259 }
 260
 261 static HRESULT WINAPI ComponentFactory_CreateComponentInfo(IWICComponentFactory *iface,
 262     REFCLSID clsidComponent, IWICComponentInfo **ppIInfo)
 263 {
 264     TRACE("(%p,%s,%p)\n", iface, debugstr_guid(clsidComponent), ppIInfo);
 265     return CreateComponentInfo(clsidComponent, ppIInfo);
 266 }
 267
 268 static HRESULT WINAPI ComponentFactory_CreateDecoder(IWICComponentFactory *iface,
 269     REFGUID guidContainerFormat, const GUID *pguidVendor,
 270     IWICBitmapDecoder **ppIDecoder)
 271 {
 272     IEnumUnknown *enumdecoders;
 273     IUnknown *unkdecoderinfo;
 274     IWICBitmapDecoderInfo *decoderinfo;
 275     IWICBitmapDecoder *decoder = NULL, *preferred_decoder = NULL;
 276     GUID vendor;
 277     HRESULT res;
 278     ULONG num_fetched;
 279
 280     TRACE("(%p,%s,%s,%p)\n", iface, debugstr_guid(guidContainerFormat),
 281         debugstr_guid(pguidVendor), ppIDecoder);
 282
 283     if (!guidContainerFormat || !ppIDecoder) return E_INVALIDARG;
 284
 285     res = CreateComponentEnumerator(WICDecoder, WICComponentEnumerateDefault, &enumdecoders);
 286     if (FAILED(res)) return res;
 287
 288     while (!preferred_decoder)
 289     {
 290         res = IEnumUnknown_Next(enumdecoders, 1, &unkdecoderinfo, &num_fetched);
 291         if (res != S_OK) break;
 292
 293         res = IUnknown_QueryInterface(unkdecoderinfo, &IID_IWICBitmapDecoderInfo, (void **)&decoderinfo);
 294         if (SUCCEEDED(res))
 295         {
 296             GUID container_guid;
 297
 298             res = IWICBitmapDecoderInfo_GetContainerFormat(decoderinfo, &container_guid);
 299             if (SUCCEEDED(res) && IsEqualIID(&container_guid, guidContainerFormat))
 300             {
 301                 IWICBitmapDecoder *new_decoder;
 302
 303                 res = IWICBitmapDecoderInfo_CreateInstance(decoderinfo, &new_decoder);
 304                 if (SUCCEEDED(res))
 305                 {
 306                     if (pguidVendor)
 307                     {
 308                         res = IWICBitmapDecoderInfo_GetVendorGUID(decoderinfo, &vendor);
 309                         if (SUCCEEDED(res) && IsEqualIID(&vendor, pguidVendor))
 310                         {
 311                             preferred_decoder = new_decoder;
 312                             new_decoder = NULL;
 313                         }
 314                     }
 315
 316                     if (new_decoder && !decoder)
 317                     {
 318                         decoder = new_decoder;
 319                         new_decoder = NULL;
 320                     }
 321
 322                     if (new_decoder) IWICBitmapDecoder_Release(new_decoder);
 323                 }
 324             }
 325
 326             IWICBitmapDecoderInfo_Release(decoderinfo);
 327         }
 328
 329         IUnknown_Release(unkdecoderinfo);
 330     }
 331
 332     IEnumUnknown_Release(enumdecoders);
 333
 334     if (preferred_decoder)
 335     {
 336         *ppIDecoder = preferred_decoder;
 337         if (decoder) IWICBitmapDecoder_Release(decoder);
 338         return S_OK;
 339     }
 340
 341     if (decoder)
 342     {
 343         *ppIDecoder = decoder;
 344         return S_OK;
 345     }
 346
 347     *ppIDecoder = NULL;
 348     return WINCODEC_ERR_COMPONENTNOTFOUND;
 349 }
 350
 351 static HRESULT WINAPI ComponentFactory_CreateEncoder(IWICComponentFactory *iface,
 352     REFGUID guidContainerFormat, const GUID *pguidVendor,
 353     IWICBitmapEncoder **ppIEncoder)
 354 {
 355     static int fixme=0;
 356     IEnumUnknown *enumencoders;
 357     IUnknown *unkencoderinfo;
 358     IWICBitmapEncoderInfo *encoderinfo;
 359     IWICBitmapEncoder *encoder=NULL;
 360     HRESULT res=S_OK;
 361     ULONG num_fetched;
 362     GUID actual_containerformat;
 363
 364     TRACE("(%p,%s,%s,%p)\n", iface, debugstr_guid(guidContainerFormat),
 365         debugstr_guid(pguidVendor), ppIEncoder);
 366
 367     if (pguidVendor && !fixme++)
 368         FIXME("ignoring vendor GUID\n");
 369
 370     res = CreateComponentEnumerator(WICEncoder, WICComponentEnumerateDefault, &enumencoders);
 371     if (FAILED(res)) return res;
 372
 373     while (!encoder)
 374     {
 375         res = IEnumUnknown_Next(enumencoders, 1, &unkencoderinfo, &num_fetched);
 376
 377         if (res == S_OK)
 378         {
 379             res = IUnknown_QueryInterface(unkencoderinfo, &IID_IWICBitmapEncoderInfo, (void**)&encoderinfo);
 380
 381             if (SUCCEEDED(res))
 382             {
 383                 res = IWICBitmapEncoderInfo_GetContainerFormat(encoderinfo, &actual_containerformat);
 384
 385                 if (SUCCEEDED(res) && IsEqualGUID(guidContainerFormat, &actual_containerformat))
 386                 {
 387                     res = IWICBitmapEncoderInfo_CreateInstance(encoderinfo, &encoder);
 388                     if (FAILED(res))
 389                         encoder = NULL;
 390                 }
 391
 392                 IWICBitmapEncoderInfo_Release(encoderinfo);
 393             }
 394
 395             IUnknown_Release(unkencoderinfo);
 396         }
 397         else
 398             break;
 399     }
 400
 401     IEnumUnknown_Release(enumencoders);
 402
 403     if (encoder)
 404     {
 405         *ppIEncoder = encoder;
 406         return S_OK;
 407     }
 408     else
 409     {
 410         WARN("failed to create encoder\n");
 411         *ppIEncoder = NULL;
 412         return WINCODEC_ERR_COMPONENTNOTFOUND;
 413     }
 414 }
 415
 416 static HRESULT WINAPI ComponentFactory_CreatePalette(IWICComponentFactory *iface,
 417     IWICPalette **ppIPalette)
 418 {
 419     TRACE("(%p,%p)\n", iface, ppIPalette);
 420     return PaletteImpl_Create(ppIPalette);
 421 }
 422
 423 static HRESULT WINAPI ComponentFactory_CreateFormatConverter(IWICComponentFactory *iface,
 424     IWICFormatConverter **ppIFormatConverter)
 425 {
 426     return FormatConverter_CreateInstance(NULL, &IID_IWICFormatConverter, (void**)ppIFormatConverter);
 427 }
 428
 429 static HRESULT WINAPI ComponentFactory_CreateBitmapScaler(IWICComponentFactory *iface,
 430     IWICBitmapScaler **ppIBitmapScaler)
 431 {
 432     TRACE("(%p,%p)\n", iface, ppIBitmapScaler);
 433
 434     return BitmapScaler_Create(ppIBitmapScaler);
 435 }
 436
 437 static HRESULT WINAPI ComponentFactory_CreateBitmapClipper(IWICComponentFactory *iface,
 438     IWICBitmapClipper **ppIBitmapClipper)
 439 {
 440     FIXME("(%p,%p): stub\n", iface, ppIBitmapClipper);
 441     return E_NOTIMPL;
 442 }
 443
 444 static HRESULT WINAPI ComponentFactory_CreateBitmapFlipRotator(IWICComponentFactory *iface,
 445     IWICBitmapFlipRotator **ppIBitmapFlipRotator)
 446 {
 447     TRACE("(%p,%p)\n", iface, ppIBitmapFlipRotator);
 448     return FlipRotator_Create(ppIBitmapFlipRotator);
 449 }
 450
 451 static HRESULT WINAPI ComponentFactory_CreateStream(IWICComponentFactory *iface,
 452     IWICStream **ppIWICStream)
 453 {
 454     TRACE("(%p,%p)\n", iface, ppIWICStream);
 455     return StreamImpl_Create(ppIWICStream);
 456 }
 457
 458 static HRESULT WINAPI ComponentFactory_CreateColorContext(IWICComponentFactory *iface,
 459     IWICColorContext **ppIColorContext)
 460 {
 461     TRACE("(%p,%p)\n", iface, ppIColorContext);
 462     return ColorContext_Create(ppIColorContext);
 463 }
 464
 465 static HRESULT WINAPI ComponentFactory_CreateColorTransformer(IWICComponentFactory *iface,
 466     IWICColorTransform **ppIColorTransform)
 467 {
 468     TRACE("(%p,%p)\n", iface, ppIColorTransform);
 469     return ColorTransform_Create(ppIColorTransform);
 470 }
 471
 472 static HRESULT WINAPI ComponentFactory_CreateBitmap(IWICComponentFactory *iface,
 473     UINT uiWidth, UINT uiHeight, REFWICPixelFormatGUID pixelFormat,
 474     WICBitmapCreateCacheOption option, IWICBitmap **ppIBitmap)
 475 {
 476     TRACE("(%p,%u,%u,%s,%u,%p)\n", iface, uiWidth, uiHeight,
 477         debugstr_guid(pixelFormat), option, ppIBitmap);
 478     return BitmapImpl_Create(uiWidth, uiHeight, 0, 0, NULL, pixelFormat, option, ppIBitmap);
 479 }
 480
 481 static HRESULT WINAPI ComponentFactory_CreateBitmapFromSource(IWICComponentFactory *iface,
 482     IWICBitmapSource *piBitmapSource, WICBitmapCreateCacheOption option,
 483     IWICBitmap **ppIBitmap)
 484 {
 485     IWICBitmap *result;
 486     IWICBitmapLock *lock;
 487     IWICPalette *palette;
 488     UINT width, height;
 489     WICPixelFormatGUID pixelformat = {0};
 490     HRESULT hr;
 491     WICRect rc;
 492     double dpix, dpiy;
 493     IWICComponentInfo *info;
 494     IWICPixelFormatInfo2 *formatinfo;
 495     WICPixelFormatNumericRepresentation format_type;
 496
 497     TRACE("(%p,%p,%u,%p)\n", iface, piBitmapSource, option, ppIBitmap);
 498
 499     if (!piBitmapSource || !ppIBitmap)
 500         return E_INVALIDARG;
 501
 502     hr = IWICBitmapSource_GetSize(piBitmapSource, &width, &height);
 503
 504     if (SUCCEEDED(hr))
 505         hr = IWICBitmapSource_GetPixelFormat(piBitmapSource, &pixelformat);
 506
 507     if (SUCCEEDED(hr))
 508         hr = CreateComponentInfo(&pixelformat, &info);
 509
 510     if (SUCCEEDED(hr))
 511     {
 512         hr = IWICComponentInfo_QueryInterface(info, &IID_IWICPixelFormatInfo2, (void**)&formatinfo);
 513
 514         if (SUCCEEDED(hr))
 515         {
 516             hr = IWICPixelFormatInfo2_GetNumericRepresentation(formatinfo, &format_type);
 517
 518             IWICPixelFormatInfo2_Release(formatinfo);
 519         }
 520
 521         IWICComponentInfo_Release(info);
 522     }
 523
 524     if (SUCCEEDED(hr))
 525         hr = BitmapImpl_Create(width, height, 0, 0, NULL, &pixelformat, option, &result);
 526
 527     if (SUCCEEDED(hr))
 528     {
 529         hr = IWICBitmap_Lock(result, NULL, WICBitmapLockWrite, &lock);
 530         if (SUCCEEDED(hr))
 531         {
 532             UINT stride, buffersize;
 533             BYTE *buffer;
 534             rc.X = rc.Y = 0;
 535             rc.Width = width;
 536             rc.Height = height;
 537
 538             hr = IWICBitmapLock_GetStride(lock, &stride);
 539
 540             if (SUCCEEDED(hr))
 541                 hr = IWICBitmapLock_GetDataPointer(lock, &buffersize, &buffer);
 542
 543             if (SUCCEEDED(hr))
 544                 hr = IWICBitmapSource_CopyPixels(piBitmapSource, &rc, stride,
 545                     buffersize, buffer);
 546
 547             IWICBitmapLock_Release(lock);
 548         }
 549
 550         if (SUCCEEDED(hr))
 551             hr = PaletteImpl_Create(&palette);
 552
 553         if (SUCCEEDED(hr) && (format_type == WICPixelFormatNumericRepresentationUnspecified ||
 554                               format_type == WICPixelFormatNumericRepresentationIndexed))
 555         {
 556             hr = IWICBitmapSource_CopyPalette(piBitmapSource, palette);
 557
 558             if (SUCCEEDED(hr))
 559                 hr = IWICBitmap_SetPalette(result, palette);
 560             else
 561                 hr = S_OK;
 562
 563             IWICPalette_Release(palette);
 564         }
 565
 566         if (SUCCEEDED(hr))
 567         {
 568             hr = IWICBitmapSource_GetResolution(piBitmapSource, &dpix, &dpiy);
 569
 570             if (SUCCEEDED(hr))
 571                 hr = IWICBitmap_SetResolution(result, dpix, dpiy);
 572             else
 573                 hr = S_OK;
 574         }
 575
 576         if (SUCCEEDED(hr))
 577             *ppIBitmap = result;
 578         else
 579             IWICBitmap_Release(result);
 580     }
 581
 582     return hr;
 583 }
 584
 585 static HRESULT WINAPI ComponentFactory_CreateBitmapFromSourceRect(IWICComponentFactory *iface,
 586     IWICBitmapSource *piBitmapSource, UINT x, UINT y, UINT width, UINT height,
 587     IWICBitmap **ppIBitmap)
 588 {
 589     FIXME("(%p,%p,%u,%u,%u,%u,%p): stub\n", iface, piBitmapSource, x, y, width,
 590         height, ppIBitmap);
 591     return E_NOTIMPL;
 592 }
 593
 594 static HRESULT WINAPI ComponentFactory_CreateBitmapFromMemory(IWICComponentFactory *iface,
 595     UINT width, UINT height, REFWICPixelFormatGUID format, UINT stride,
 596     UINT size, BYTE *buffer, IWICBitmap **bitmap)
 597 {
 598     TRACE("(%p,%u,%u,%s,%u,%u,%p,%p\n", iface, width, height,
 599         debugstr_guid(format), stride, size, buffer, bitmap);
 600
 601     if (!stride || !size || !buffer || !bitmap) return E_INVALIDARG;
 602
 603     return BitmapImpl_Create(width, height, stride, size, buffer, format, WICBitmapCacheOnLoad, bitmap);
 604 }
 605
 606 static HRESULT WINAPI ComponentFactory_CreateBitmapFromHBITMAP(IWICComponentFactory *iface,
 607     HBITMAP hBitmap, HPALETTE hPalette, WICBitmapAlphaChannelOption options,
 608     IWICBitmap **ppIBitmap)
 609 {
 610     FIXME("(%p,%p,%p,%u,%p): stub\n", iface, hBitmap, hPalette, options, ppIBitmap);
 611     return E_NOTIMPL;
 612 }
 613
 614 static HRESULT WINAPI ComponentFactory_CreateBitmapFromHICON(IWICComponentFactory *iface,
 615     HICON hicon, IWICBitmap **bitmap)
 616 {
 617     IWICBitmapLock *lock;
 618     ICONINFO info;
 619     BITMAP bm;
 620     int width, height, x, y;
 621     UINT stride, size;
 622     BYTE *buffer;
 623     DWORD *bits;
 624     BITMAPINFO bi;
 625     HDC hdc;
 626     BOOL has_alpha;
 627     HRESULT hr;
 628
 629     TRACE("(%p,%p,%p)\n", iface, hicon, bitmap);
 630
 631     if (!bitmap) return E_INVALIDARG;
 632
 633     if (!GetIconInfo(hicon, &info))
 634         return HRESULT_FROM_WIN32(GetLastError());
 635
 636     GetObjectW(info.hbmColor ? info.hbmColor : info.hbmMask, sizeof(bm), &bm);
 637
 638     width = bm.bmWidth;
 639     height = info.hbmColor ? abs(bm.bmHeight) : abs(bm.bmHeight) / 2;
 640     stride = width * 4;
 641     size = stride * height;
 642
 643     hr = BitmapImpl_Create(width, height, stride, size, NULL,
 644                            &GUID_WICPixelFormat32bppBGRA, WICBitmapCacheOnLoad, bitmap);
 645     if (hr != S_OK) goto failed;
 646
 647     hr = IWICBitmap_Lock(*bitmap, NULL, WICBitmapLockWrite, &lock);
 648     if (hr != S_OK)
 649     {
 650         IWICBitmap_Release(*bitmap);
 651         goto failed;
 652     }
 653     IWICBitmapLock_GetDataPointer(lock, &size, &buffer);
 654
 655     hdc = CreateCompatibleDC(0);
 656
 657     memset(&bi, 0, sizeof(bi));
 658     bi.bmiHeader.biSize = sizeof(bi.bmiHeader);
 659     bi.bmiHeader.biWidth = width;
 660     bi.bmiHeader.biHeight = info.hbmColor ? -height: -height * 2;
 661     bi.bmiHeader.biPlanes = 1;
 662     bi.bmiHeader.biBitCount = 32;
 663     bi.bmiHeader.biCompression = BI_RGB;
 664
 665     has_alpha = FALSE;
 666
 667     if (info.hbmColor)
 668     {
 669         GetDIBits(hdc, info.hbmColor, 0, height, buffer, &bi, DIB_RGB_COLORS);
 670
 671         if (bm.bmBitsPixel == 32)
 672         {
 673             /* If any pixel has a non-zero alpha, ignore hbmMask */
 674             bits = (DWORD *)buffer;
 675             for (x = 0; x < width && !has_alpha; x++, bits++)
 676             {
 677                 for (y = 0; y < height; y++)
 678                 {
 679                     if (*bits & 0xff000000)
 680                     {
 681                         has_alpha = TRUE;
 682                         break;
 683                     }
 684                 }
 685             }
 686         }
 687     }
 688     else
 689         GetDIBits(hdc, info.hbmMask, 0, height, buffer, &bi, DIB_RGB_COLORS);
 690
 691     if (!has_alpha)
 692     {
 693         DWORD *rgba;
 694
 695         if (info.hbmMask)
 696         {
 697             BYTE *mask;
 698
 699             mask = HeapAlloc(GetProcessHeap(), 0, size);
 700             if (!mask)
 701             {
 702                 IWICBitmapLock_Release(lock);
 703                 IWICBitmap_Release(*bitmap);
 704                 DeleteDC(hdc);
 705                 hr = E_OUTOFMEMORY;
 706                 goto failed;
 707             }
 708
 709             /* read alpha data from the mask */
 710             GetDIBits(hdc, info.hbmMask, info.hbmColor ? 0 : height, height, mask, &bi, DIB_RGB_COLORS);
 711
 712             for (y = 0; y < height; y++)
 713             {
 714                 rgba = (DWORD *)(buffer + y * stride);
 715                 bits = (DWORD *)(mask + y * stride);
 716
 717                 for (x = 0; x < width; x++, rgba++, bits++)
 718                 {
 719                     if (*bits)
 720                         *rgba = 0;
 721                     else
 722                         *rgba |= 0xff000000;
 723                 }
 724             }
 725
 726             HeapFree(GetProcessHeap(), 0, mask);
 727         }
 728         else
 729         {
 730             /* set constant alpha of 255 */
 731             for (y = 0; y < height; y++)
 732             {
 733                 rgba = (DWORD *)(buffer + y * stride);
 734                 for (x = 0; x < width; x++, rgba++)
 735                     *rgba |= 0xff000000;
 736             }
 737         }
 738
 739     }
 740
 741     IWICBitmapLock_Release(lock);
 742     DeleteDC(hdc);
 743
 744 failed:
 745     DeleteObject(info.hbmColor);
 746     DeleteObject(info.hbmMask);
 747
 748     return hr;
 749 }
 750
 751 static HRESULT WINAPI ComponentFactory_CreateComponentEnumerator(IWICComponentFactory *iface,
 752     DWORD componentTypes, DWORD options, IEnumUnknown **ppIEnumUnknown)
 753 {
 754     TRACE("(%p,%u,%u,%p)\n", iface, componentTypes, options, ppIEnumUnknown);
 755     return CreateComponentEnumerator(componentTypes, options, ppIEnumUnknown);
 756 }
 757
 758 static HRESULT WINAPI ComponentFactory_CreateFastMetadataEncoderFromDecoder(
 759     IWICComponentFactory *iface, IWICBitmapDecoder *pIDecoder,
 760     IWICFastMetadataEncoder **ppIFastEncoder)
 761 {
 762     FIXME("(%p,%p,%p): stub\n", iface, pIDecoder, ppIFastEncoder);
 763     return E_NOTIMPL;
 764 }
 765
 766 static HRESULT WINAPI ComponentFactory_CreateFastMetadataEncoderFromFrameDecode(
 767     IWICComponentFactory *iface, IWICBitmapFrameDecode *pIFrameDecoder,
 768     IWICFastMetadataEncoder **ppIFastEncoder)
 769 {
 770     FIXME("(%p,%p,%p): stub\n", iface, pIFrameDecoder, ppIFastEncoder);
 771     return E_NOTIMPL;
 772 }
 773
 774 static HRESULT WINAPI ComponentFactory_CreateQueryWriter(IWICComponentFactory *iface,
 775     REFGUID guidMetadataFormat, const GUID *pguidVendor,
 776     IWICMetadataQueryWriter **ppIQueryWriter)
 777 {
 778     FIXME("(%p,%s,%s,%p): stub\n", iface, debugstr_guid(guidMetadataFormat),
 779         debugstr_guid(pguidVendor), ppIQueryWriter);
 780     return E_NOTIMPL;
 781 }
 782
 783 static HRESULT WINAPI ComponentFactory_CreateQueryWriterFromReader(IWICComponentFactory *iface,
 784     IWICMetadataQueryReader *pIQueryReader, const GUID *pguidVendor,
 785     IWICMetadataQueryWriter **ppIQueryWriter)
 786 {
 787     FIXME("(%p,%p,%s,%p): stub\n", iface, pIQueryReader, debugstr_guid(pguidVendor),
 788         ppIQueryWriter);
 789     return E_NOTIMPL;
 790 }
 791
 792 static HRESULT WINAPI ComponentFactory_CreateMetadataReader(IWICComponentFactory *iface,
 793         REFGUID format, const GUID *vendor, DWORD options, IStream *stream, IWICMetadataReader **reader)
 794 {
 795     FIXME("%p,%s,%s,%x,%p,%p: stub\n", iface, debugstr_guid(format), debugstr_guid(vendor),
 796         options, stream, reader);
 797     return E_NOTIMPL;
 798 }
 799
 800 static HRESULT WINAPI ComponentFactory_CreateMetadataReaderFromContainer(IWICComponentFactory *iface,
 801         REFGUID format, const GUID *vendor, DWORD options, IStream *stream, IWICMetadataReader **reader)
 802 {
 803     FIXME("%p,%s,%s,%x,%p,%p: stub\n", iface, debugstr_guid(format), debugstr_guid(vendor),
 804         options, stream, reader);
 805     return E_NOTIMPL;
 806 }
 807
 808 static HRESULT WINAPI ComponentFactory_CreateMetadataWriter(IWICComponentFactory *iface,
 809         REFGUID format, const GUID *vendor, DWORD options, IWICMetadataWriter **writer)
 810 {
 811     FIXME("%p,%s,%s,%x,%p: stub\n", iface, debugstr_guid(format), debugstr_guid(vendor), options, writer);
 812     return E_NOTIMPL;
 813 }
 814
 815 static HRESULT WINAPI ComponentFactory_CreateMetadataWriterFromReader(IWICComponentFactory *iface,
 816         IWICMetadataReader *reader, const GUID *vendor, IWICMetadataWriter **writer)
 817 {
 818     FIXME("%p,%p,%s,%p: stub\n", iface, reader, debugstr_guid(vendor), writer);
 819     return E_NOTIMPL;
 820 }
 821
 822 static HRESULT WINAPI ComponentFactory_CreateQueryReaderFromBlockReader(IWICComponentFactory *iface,
 823         IWICMetadataBlockReader *block_reader, IWICMetadataQueryReader **query_reader)
 824 {
 825     FIXME("%p,%p,%p: stub\n", iface, block_reader, query_reader);
 826     return E_NOTIMPL;
 827 }
 828
 829 static HRESULT WINAPI ComponentFactory_CreateQueryWriterFromBlockWriter(IWICComponentFactory *iface,
 830         IWICMetadataBlockWriter *block_writer, IWICMetadataQueryWriter **query_writer)
 831 {
 832     FIXME("%p,%p,%p: stub\n", iface, block_writer, query_writer);
 833     return E_NOTIMPL;
 834 }
 835
 836 static HRESULT WINAPI ComponentFactory_CreateEncoderPropertyBag(IWICComponentFactory *iface,
 837         PROPBAG2 *options, UINT count, IPropertyBag2 **property)
 838 {
 839     TRACE("(%p,%p,%u,%p)\n", iface, options, count, property);
 840     return CreatePropertyBag2(options, count, property);
 841 }
 842
 843 static const IWICComponentFactoryVtbl ComponentFactory_Vtbl = {
 844     ComponentFactory_QueryInterface,
 845     ComponentFactory_AddRef,
 846     ComponentFactory_Release,
 847     ComponentFactory_CreateDecoderFromFilename,
 848     ComponentFactory_CreateDecoderFromStream,
 849     ComponentFactory_CreateDecoderFromFileHandle,
 850     ComponentFactory_CreateComponentInfo,
 851     ComponentFactory_CreateDecoder,
 852     ComponentFactory_CreateEncoder,
 853     ComponentFactory_CreatePalette,
 854     ComponentFactory_CreateFormatConverter,
 855     ComponentFactory_CreateBitmapScaler,
 856     ComponentFactory_CreateBitmapClipper,
 857     ComponentFactory_CreateBitmapFlipRotator,
 858     ComponentFactory_CreateStream,
 859     ComponentFactory_CreateColorContext,
 860     ComponentFactory_CreateColorTransformer,
 861     ComponentFactory_CreateBitmap,
 862     ComponentFactory_CreateBitmapFromSource,
 863     ComponentFactory_CreateBitmapFromSourceRect,
 864     ComponentFactory_CreateBitmapFromMemory,
 865     ComponentFactory_CreateBitmapFromHBITMAP,
 866     ComponentFactory_CreateBitmapFromHICON,
 867     ComponentFactory_CreateComponentEnumerator,
 868     ComponentFactory_CreateFastMetadataEncoderFromDecoder,
 869     ComponentFactory_CreateFastMetadataEncoderFromFrameDecode,
 870     ComponentFactory_CreateQueryWriter,
 871     ComponentFactory_CreateQueryWriterFromReader,
 872     ComponentFactory_CreateMetadataReader,
 873     ComponentFactory_CreateMetadataReaderFromContainer,
 874     ComponentFactory_CreateMetadataWriter,
 875     ComponentFactory_CreateMetadataWriterFromReader,
 876     ComponentFactory_CreateQueryReaderFromBlockReader,
 877     ComponentFactory_CreateQueryWriterFromBlockWriter,
 878     ComponentFactory_CreateEncoderPropertyBag
 879 };
 880
 881 HRESULT ComponentFactory_CreateInstance(IUnknown *pUnkOuter, REFIID iid, void** ppv)
 882 {
 883     ComponentFactory *This;
 884     HRESULT ret;
 885
 886     TRACE("(%p,%s,%p)\n", pUnkOuter, debugstr_guid(iid), ppv);
 887
 888     *ppv = NULL;
 889
 890     if (pUnkOuter) return CLASS_E_NOAGGREGATION;
 891
 892     This = HeapAlloc(GetProcessHeap(), 0, sizeof(ComponentFactory));
 893     if (!This) return E_OUTOFMEMORY;
 894
 895     This->IWICComponentFactory_iface.lpVtbl = &ComponentFactory_Vtbl;
 896     This->ref = 1;
 897
 898     ret = IWICComponentFactory_QueryInterface(&This->IWICComponentFactory_iface, iid, ppv);
 899     IWICComponentFactory_Release(&This->IWICComponentFactory_iface);
 900
 901     return ret;
 902 }