dlls/windowscodecs/bmpencode.c

   1 /*
   2  * Copyright 2009 Vincent Povirk for CodeWeavers
   3  * Copyright 2016 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 <stdarg.h>
  21
  22 #define COBJMACROS
  23
  24 #include "windef.h"
  25 #include "winbase.h"
  26 #include "winreg.h"
  27 #include "wingdi.h"
  28 #include "objbase.h"
  29
  30 #include "wincodecs_private.h"
  31
  32 #include "wine/debug.h"
  33
  34 WINE_DEFAULT_DEBUG_CHANNEL(wincodecs);
  35
  36 struct bmp_pixelformat {
  37     const WICPixelFormatGUID *guid;
  38     UINT bpp;
  39     UINT colors; /* palette size */
  40     DWORD compression;
  41     DWORD redmask;
  42     DWORD greenmask;
  43     DWORD bluemask;
  44     DWORD alphamask;
  45 };
  46
  47 static const struct bmp_pixelformat formats[] = {
  48     {&GUID_WICPixelFormat24bppBGR, 24, 0, BI_RGB},
  49     {&GUID_WICPixelFormatBlackWhite, 1, 2, BI_RGB},
  50     {&GUID_WICPixelFormat1bppIndexed, 1, 2, BI_RGB},
  51     {&GUID_WICPixelFormat2bppIndexed, 2, 4, BI_RGB},
  52     {&GUID_WICPixelFormat4bppIndexed, 4, 16, BI_RGB},
  53     {&GUID_WICPixelFormat8bppIndexed, 8, 256, BI_RGB},
  54     {&GUID_WICPixelFormat16bppBGR555, 16, 0, BI_RGB},
  55     {&GUID_WICPixelFormat16bppBGR565, 16, 0, BI_BITFIELDS, 0xf800, 0x7e0, 0x1f, 0},
  56     {&GUID_WICPixelFormat32bppBGR, 32, 0, BI_RGB},
  57 #if 0
  58     /* Windows doesn't seem to support this one. */
  59     {&GUID_WICPixelFormat32bppBGRA, 32, 0, BI_BITFIELDS, 0xff0000, 0xff00, 0xff, 0xff000000},
  60 #endif
  61     {NULL}
  62 };
  63
  64 typedef struct BmpFrameEncode {
  65     IWICBitmapFrameEncode IWICBitmapFrameEncode_iface;
  66     LONG ref;
  67     IStream *stream;
  68     BOOL initialized;
  69     UINT width, height;
  70     BYTE *bits;
  71     const struct bmp_pixelformat *format;
  72     double xres, yres;
  73     UINT lineswritten;
  74     UINT stride;
  75     WICColor palette[256];
  76     UINT colors;
  77     BOOL committed;
  78 } BmpFrameEncode;
  79
  80 static inline BmpFrameEncode *impl_from_IWICBitmapFrameEncode(IWICBitmapFrameEncode *iface)
  81 {
  82     return CONTAINING_RECORD(iface, BmpFrameEncode, IWICBitmapFrameEncode_iface);
  83 }
  84
  85 static HRESULT WINAPI BmpFrameEncode_QueryInterface(IWICBitmapFrameEncode *iface, REFIID iid,
  86     void **ppv)
  87 {
  88     BmpFrameEncode *This = impl_from_IWICBitmapFrameEncode(iface);
  89     TRACE("(%p,%s,%p)\n", iface, debugstr_guid(iid), ppv);
  90
  91     if (!ppv) return E_INVALIDARG;
  92
  93     if (IsEqualIID(&IID_IUnknown, iid) ||
  94         IsEqualIID(&IID_IWICBitmapFrameEncode, iid))
  95     {
  96         *ppv = &This->IWICBitmapFrameEncode_iface;
  97     }
  98     else
  99     {
 100         *ppv = NULL;
 101         return E_NOINTERFACE;
 102     }
 103
 104     IUnknown_AddRef((IUnknown*)*ppv);
 105     return S_OK;
 106 }
 107
 108 static ULONG WINAPI BmpFrameEncode_AddRef(IWICBitmapFrameEncode *iface)
 109 {
 110     BmpFrameEncode *This = impl_from_IWICBitmapFrameEncode(iface);
 111     ULONG ref = InterlockedIncrement(&This->ref);
 112
 113     TRACE("(%p) refcount=%lu\n", iface, ref);
 114
 115     return ref;
 116 }
 117
 118 static ULONG WINAPI BmpFrameEncode_Release(IWICBitmapFrameEncode *iface)
 119 {
 120     BmpFrameEncode *This = impl_from_IWICBitmapFrameEncode(iface);
 121     ULONG ref = InterlockedDecrement(&This->ref);
 122
 123     TRACE("(%p) refcount=%lu\n", iface, ref);
 124
 125     if (ref == 0)
 126     {
 127         if (This->stream) IStream_Release(This->stream);
 128         HeapFree(GetProcessHeap(), 0, This->bits);
 129         HeapFree(GetProcessHeap(), 0, This);
 130     }
 131
 132     return ref;
 133 }
 134
 135 static HRESULT WINAPI BmpFrameEncode_Initialize(IWICBitmapFrameEncode *iface,
 136     IPropertyBag2 *pIEncoderOptions)
 137 {
 138     BmpFrameEncode *This = impl_from_IWICBitmapFrameEncode(iface);
 139     TRACE("(%p,%p)\n", iface, pIEncoderOptions);
 140
 141     if (This->initialized) return WINCODEC_ERR_WRONGSTATE;
 142
 143     if (pIEncoderOptions)
 144         WARN("ignoring encoder options.\n");
 145
 146     This->initialized = TRUE;
 147
 148     return S_OK;
 149 }
 150
 151 static HRESULT WINAPI BmpFrameEncode_SetSize(IWICBitmapFrameEncode *iface,
 152     UINT uiWidth, UINT uiHeight)
 153 {
 154     BmpFrameEncode *This = impl_from_IWICBitmapFrameEncode(iface);
 155     TRACE("(%p,%u,%u)\n", iface, uiWidth, uiHeight);
 156
 157     if (!This->initialized || This->bits) return WINCODEC_ERR_WRONGSTATE;
 158
 159     This->width = uiWidth;
 160     This->height = uiHeight;
 161
 162     return S_OK;
 163 }
 164
 165 static HRESULT WINAPI BmpFrameEncode_SetResolution(IWICBitmapFrameEncode *iface,
 166     double dpiX, double dpiY)
 167 {
 168     BmpFrameEncode *This = impl_from_IWICBitmapFrameEncode(iface);
 169     TRACE("(%p,%0.2f,%0.2f)\n", iface, dpiX, dpiY);
 170
 171     if (!This->initialized || This->bits) return WINCODEC_ERR_WRONGSTATE;
 172
 173     This->xres = dpiX;
 174     This->yres = dpiY;
 175
 176     return S_OK;
 177 }
 178
 179 static HRESULT WINAPI BmpFrameEncode_SetPixelFormat(IWICBitmapFrameEncode *iface,
 180     WICPixelFormatGUID *pPixelFormat)
 181 {
 182     BmpFrameEncode *This = impl_from_IWICBitmapFrameEncode(iface);
 183     int i;
 184     TRACE("(%p,%s)\n", iface, debugstr_guid(pPixelFormat));
 185
 186     if (!This->initialized || This->bits) return WINCODEC_ERR_WRONGSTATE;
 187
 188     if (IsEqualGUID(pPixelFormat, &GUID_WICPixelFormatBlackWhite))
 189         *pPixelFormat = GUID_WICPixelFormat1bppIndexed;
 190     else if (IsEqualGUID(pPixelFormat, &GUID_WICPixelFormat2bppIndexed))
 191         *pPixelFormat = GUID_WICPixelFormat4bppIndexed;
 192
 193     for (i=0; formats[i].guid; i++)
 194     {
 195         if (IsEqualGUID(formats[i].guid, pPixelFormat))
 196             break;
 197     }
 198
 199     if (!formats[i].guid) i = 0;
 200
 201     This->format = &formats[i];
 202     memcpy(pPixelFormat, This->format->guid, sizeof(GUID));
 203
 204     return S_OK;
 205 }
 206
 207 static HRESULT WINAPI BmpFrameEncode_SetColorContexts(IWICBitmapFrameEncode *iface,
 208     UINT cCount, IWICColorContext **ppIColorContext)
 209 {
 210     FIXME("(%p,%u,%p): stub\n", iface, cCount, ppIColorContext);
 211     return E_NOTIMPL;
 212 }
 213
 214 static HRESULT WINAPI BmpFrameEncode_SetPalette(IWICBitmapFrameEncode *iface,
 215     IWICPalette *palette)
 216 {
 217     BmpFrameEncode *This = impl_from_IWICBitmapFrameEncode(iface);
 218     HRESULT hr;
 219
 220     TRACE("(%p,%p)\n", iface, palette);
 221
 222     if (!palette) return E_INVALIDARG;
 223
 224     if (!This->initialized)
 225         return WINCODEC_ERR_NOTINITIALIZED;
 226
 227     hr = IWICPalette_GetColors(palette, 256, This->palette, &This->colors);
 228     if (hr == S_OK)
 229     {
 230         UINT i;
 231         for (i = 0; i < This->colors; i++)
 232             This->palette[i] |= 0xff000000; /* BMP palette has no alpha */
 233     }
 234     return hr;
 235 }
 236
 237 static HRESULT WINAPI BmpFrameEncode_SetThumbnail(IWICBitmapFrameEncode *iface,
 238     IWICBitmapSource *pIThumbnail)
 239 {
 240     FIXME("(%p,%p): stub\n", iface, pIThumbnail);
 241     return WINCODEC_ERR_UNSUPPORTEDOPERATION;
 242 }
 243
 244 static HRESULT BmpFrameEncode_AllocateBits(BmpFrameEncode *This)
 245 {
 246     if (!This->bits)
 247     {
 248         if (!This->initialized || !This->width || !This->height || !This->format)
 249             return WINCODEC_ERR_WRONGSTATE;
 250
 251         This->stride = (((This->width * This->format->bpp)+31)/32)*4;
 252         This->bits = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, This->stride * This->height);
 253         if (!This->bits) return E_OUTOFMEMORY;
 254     }
 255
 256     return S_OK;
 257 }
 258
 259 static HRESULT WINAPI BmpFrameEncode_WritePixels(IWICBitmapFrameEncode *iface,
 260     UINT lineCount, UINT cbStride, UINT cbBufferSize, BYTE *pbPixels)
 261 {
 262     BmpFrameEncode *This = impl_from_IWICBitmapFrameEncode(iface);
 263     UINT dstbuffersize, bytesperrow, row;
 264     BYTE *dst, *src;
 265     HRESULT hr;
 266
 267     TRACE("(%p,%u,%u,%u,%p)\n", iface, lineCount, cbStride, cbBufferSize, pbPixels);
 268
 269     if (!This->initialized || !This->width || !This->height || !This->format)
 270         return WINCODEC_ERR_WRONGSTATE;
 271
 272     hr = BmpFrameEncode_AllocateBits(This);
 273     if (FAILED(hr)) return hr;
 274
 275     bytesperrow = ((This->format->bpp * This->width) + 7) / 8;
 276
 277     if (This->stride < bytesperrow)
 278         return E_INVALIDARG;
 279
 280     dstbuffersize = This->stride * (This->height - This->lineswritten);
 281     if ((This->stride * (lineCount - 1)) + bytesperrow > dstbuffersize)
 282         return E_INVALIDARG;
 283
 284     src = pbPixels;
 285     dst = This->bits + This->stride * (This->height - This->lineswritten - 1);
 286     for (row = 0; row < lineCount; row++)
 287     {
 288         memcpy(dst, src, bytesperrow);
 289         src += cbStride;
 290         dst -= This->stride;
 291     }
 292
 293     This->lineswritten += lineCount;
 294
 295     return S_OK;
 296 }
 297
 298 static HRESULT WINAPI BmpFrameEncode_WriteSource(IWICBitmapFrameEncode *iface,
 299     IWICBitmapSource *pIBitmapSource, WICRect *prc)
 300 {
 301     BmpFrameEncode *This = impl_from_IWICBitmapFrameEncode(iface);
 302     HRESULT hr;
 303     TRACE("(%p,%p,%s)\n", iface, pIBitmapSource, debug_wic_rect(prc));
 304
 305     if (!This->initialized)
 306         return WINCODEC_ERR_WRONGSTATE;
 307
 308     hr = configure_write_source(iface, pIBitmapSource, prc,
 309         This->format ? This->format->guid : NULL, This->width, This->height,
 310         This->xres, This->yres);
 311
 312     if (SUCCEEDED(hr))
 313     {
 314         hr = write_source(iface, pIBitmapSource, prc,
 315             This->format->guid, This->format->bpp, !This->colors && This->format->colors,
 316             This->width, This->height);
 317     }
 318
 319     return hr;
 320 }
 321
 322 static HRESULT WINAPI BmpFrameEncode_Commit(IWICBitmapFrameEncode *iface)
 323 {
 324     BmpFrameEncode *This = impl_from_IWICBitmapFrameEncode(iface);
 325     BITMAPFILEHEADER bfh;
 326     BITMAPV5HEADER bih;
 327     UINT info_size;
 328     LARGE_INTEGER pos;
 329     ULONG byteswritten;
 330     HRESULT hr;
 331
 332     TRACE("(%p)\n", iface);
 333
 334     if (!This->bits || This->committed || This->height != This->lineswritten)
 335         return WINCODEC_ERR_WRONGSTATE;
 336
 337     bfh.bfType = 0x4d42; /* "BM" */
 338     bfh.bfReserved1 = 0;
 339     bfh.bfReserved2 = 0;
 340
 341     bih.bV5Size = info_size = sizeof(BITMAPINFOHEADER);
 342     bih.bV5Width = This->width;
 343     bih.bV5Height = This->height;
 344     bih.bV5Planes = 1;
 345     bih.bV5BitCount = This->format->bpp;
 346     bih.bV5Compression = This->format->compression;
 347     bih.bV5SizeImage = This->stride*This->height;
 348     bih.bV5XPelsPerMeter = (This->xres+0.0127) / 0.0254;
 349     bih.bV5YPelsPerMeter = (This->yres+0.0127) / 0.0254;
 350     bih.bV5ClrUsed = (This->format->bpp <= 8) ? This->colors : 0;
 351     bih.bV5ClrImportant = bih.bV5ClrUsed;
 352
 353     if (This->format->compression == BI_BITFIELDS)
 354     {
 355         if (This->format->alphamask)
 356             bih.bV5Size = info_size = sizeof(BITMAPV4HEADER);
 357         else
 358             info_size = sizeof(BITMAPINFOHEADER)+12;
 359         bih.bV5RedMask = This->format->redmask;
 360         bih.bV5GreenMask = This->format->greenmask;
 361         bih.bV5BlueMask = This->format->bluemask;
 362         bih.bV5AlphaMask = This->format->alphamask;
 363         bih.bV5CSType = LCS_DEVICE_RGB;
 364     }
 365
 366     bfh.bfSize = sizeof(BITMAPFILEHEADER) + info_size + bih.bV5SizeImage;
 367     bfh.bfOffBits = sizeof(BITMAPFILEHEADER) + info_size;
 368     bfh.bfOffBits += bih.bV5ClrUsed * sizeof(WICColor);
 369
 370     pos.QuadPart = 0;
 371     hr = IStream_Seek(This->stream, pos, STREAM_SEEK_SET, NULL);
 372     if (FAILED(hr)) return hr;
 373
 374     hr = IStream_Write(This->stream, &bfh, sizeof(BITMAPFILEHEADER), &byteswritten);
 375     if (FAILED(hr)) return hr;
 376     if (byteswritten != sizeof(BITMAPFILEHEADER)) return E_FAIL;
 377
 378     hr = IStream_Write(This->stream, &bih, info_size, &byteswritten);
 379     if (FAILED(hr)) return hr;
 380     if (byteswritten != info_size) return E_FAIL;
 381
 382     /* write the palette */
 383     if (This->format->colors)
 384     {
 385         hr = IStream_Write(This->stream, This->palette, This->colors * sizeof(WICColor), &byteswritten);
 386         if (FAILED(hr)) return hr;
 387         if (byteswritten != This->colors * sizeof(WICColor)) return E_FAIL;
 388     }
 389
 390     hr = IStream_Write(This->stream, This->bits, bih.bV5SizeImage, &byteswritten);
 391     if (FAILED(hr)) return hr;
 392     if (byteswritten != bih.bV5SizeImage) return E_FAIL;
 393
 394     This->committed = TRUE;
 395
 396     return S_OK;
 397 }
 398
 399 static HRESULT WINAPI BmpFrameEncode_GetMetadataQueryWriter(IWICBitmapFrameEncode *iface,
 400         IWICMetadataQueryWriter **query_writer)
 401 {
 402     BmpFrameEncode *encoder = impl_from_IWICBitmapFrameEncode(iface);
 403
 404     TRACE("iface %p, query_writer %p.\n", iface, query_writer);
 405
 406     if (!encoder->initialized)
 407         return WINCODEC_ERR_NOTINITIALIZED;
 408
 409     return WINCODEC_ERR_UNSUPPORTEDOPERATION;
 410 }
 411
 412 static const IWICBitmapFrameEncodeVtbl BmpFrameEncode_Vtbl = {
 413     BmpFrameEncode_QueryInterface,
 414     BmpFrameEncode_AddRef,
 415     BmpFrameEncode_Release,
 416     BmpFrameEncode_Initialize,
 417     BmpFrameEncode_SetSize,
 418     BmpFrameEncode_SetResolution,
 419     BmpFrameEncode_SetPixelFormat,
 420     BmpFrameEncode_SetColorContexts,
 421     BmpFrameEncode_SetPalette,
 422     BmpFrameEncode_SetThumbnail,
 423     BmpFrameEncode_WritePixels,
 424     BmpFrameEncode_WriteSource,
 425     BmpFrameEncode_Commit,
 426     BmpFrameEncode_GetMetadataQueryWriter
 427 };
 428
 429 typedef struct BmpEncoder {
 430     IWICBitmapEncoder IWICBitmapEncoder_iface;
 431     LONG ref;
 432     IStream *stream;
 433     BmpFrameEncode *frame;
 434 } BmpEncoder;
 435
 436 static inline BmpEncoder *impl_from_IWICBitmapEncoder(IWICBitmapEncoder *iface)
 437 {
 438     return CONTAINING_RECORD(iface, BmpEncoder, IWICBitmapEncoder_iface);
 439 }
 440
 441 static HRESULT WINAPI BmpEncoder_QueryInterface(IWICBitmapEncoder *iface, REFIID iid,
 442     void **ppv)
 443 {
 444     BmpEncoder *This = impl_from_IWICBitmapEncoder(iface);
 445     TRACE("(%p,%s,%p)\n", iface, debugstr_guid(iid), ppv);
 446
 447     if (!ppv) return E_INVALIDARG;
 448
 449     if (IsEqualIID(&IID_IUnknown, iid) ||
 450         IsEqualIID(&IID_IWICBitmapEncoder, iid))
 451     {
 452         *ppv = &This->IWICBitmapEncoder_iface;
 453     }
 454     else
 455     {
 456         *ppv = NULL;
 457         return E_NOINTERFACE;
 458     }
 459
 460     IUnknown_AddRef((IUnknown*)*ppv);
 461     return S_OK;
 462 }
 463
 464 static ULONG WINAPI BmpEncoder_AddRef(IWICBitmapEncoder *iface)
 465 {
 466     BmpEncoder *This = impl_from_IWICBitmapEncoder(iface);
 467     ULONG ref = InterlockedIncrement(&This->ref);
 468
 469     TRACE("(%p) refcount=%lu\n", iface, ref);
 470
 471     return ref;
 472 }
 473
 474 static ULONG WINAPI BmpEncoder_Release(IWICBitmapEncoder *iface)
 475 {
 476     BmpEncoder *This = impl_from_IWICBitmapEncoder(iface);
 477     ULONG ref = InterlockedDecrement(&This->ref);
 478
 479     TRACE("(%p) refcount=%lu\n", iface, ref);
 480
 481     if (ref == 0)
 482     {
 483         if (This->stream) IStream_Release(This->stream);
 484         if (This->frame) IWICBitmapFrameEncode_Release(&This->frame->IWICBitmapFrameEncode_iface);
 485         HeapFree(GetProcessHeap(), 0, This);
 486     }
 487
 488     return ref;
 489 }
 490
 491 static HRESULT WINAPI BmpEncoder_Initialize(IWICBitmapEncoder *iface,
 492     IStream *pIStream, WICBitmapEncoderCacheOption cacheOption)
 493 {
 494     BmpEncoder *This = impl_from_IWICBitmapEncoder(iface);
 495
 496     TRACE("(%p,%p,%u)\n", iface, pIStream, cacheOption);
 497
 498     IStream_AddRef(pIStream);
 499     This->stream = pIStream;
 500
 501     return S_OK;
 502 }
 503
 504 static HRESULT WINAPI BmpEncoder_GetContainerFormat(IWICBitmapEncoder *iface,
 505     GUID *pguidContainerFormat)
 506 {
 507     TRACE("(%p,%p)\n", iface, pguidContainerFormat);
 508
 509     if (!pguidContainerFormat)
 510         return E_INVALIDARG;
 511
 512     memcpy(pguidContainerFormat, &GUID_ContainerFormatBmp, sizeof(GUID));
 513     return S_OK;
 514 }
 515
 516 static HRESULT WINAPI BmpEncoder_GetEncoderInfo(IWICBitmapEncoder *iface, IWICBitmapEncoderInfo **info)
 517 {
 518     IWICComponentInfo *comp_info;
 519     HRESULT hr;
 520
 521     TRACE("%p,%p\n", iface, info);
 522
 523     if (!info) return E_INVALIDARG;
 524
 525     hr = CreateComponentInfo(&CLSID_WICBmpEncoder, &comp_info);
 526     if (hr == S_OK)
 527     {
 528         hr = IWICComponentInfo_QueryInterface(comp_info, &IID_IWICBitmapEncoderInfo, (void **)info);
 529         IWICComponentInfo_Release(comp_info);
 530     }
 531     return hr;
 532 }
 533
 534 static HRESULT WINAPI BmpEncoder_SetColorContexts(IWICBitmapEncoder *iface,
 535     UINT cCount, IWICColorContext **ppIColorContext)
 536 {
 537     FIXME("(%p,%u,%p): stub\n", iface, cCount, ppIColorContext);
 538     return E_NOTIMPL;
 539 }
 540
 541 static HRESULT WINAPI BmpEncoder_SetPalette(IWICBitmapEncoder *iface, IWICPalette *palette)
 542 {
 543     BmpEncoder *This = impl_from_IWICBitmapEncoder(iface);
 544
 545     TRACE("(%p,%p)\n", iface, palette);
 546     return This->stream ? WINCODEC_ERR_UNSUPPORTEDOPERATION : WINCODEC_ERR_NOTINITIALIZED;
 547 }
 548
 549 static HRESULT WINAPI BmpEncoder_SetThumbnail(IWICBitmapEncoder *iface, IWICBitmapSource *pIThumbnail)
 550 {
 551     TRACE("(%p,%p)\n", iface, pIThumbnail);
 552     return WINCODEC_ERR_UNSUPPORTEDOPERATION;
 553 }
 554
 555 static HRESULT WINAPI BmpEncoder_SetPreview(IWICBitmapEncoder *iface, IWICBitmapSource *pIPreview)
 556 {
 557     TRACE("(%p,%p)\n", iface, pIPreview);
 558     return WINCODEC_ERR_UNSUPPORTEDOPERATION;
 559 }
 560
 561 static HRESULT WINAPI BmpEncoder_CreateNewFrame(IWICBitmapEncoder *iface,
 562     IWICBitmapFrameEncode **ppIFrameEncode, IPropertyBag2 **ppIEncoderOptions)
 563 {
 564     BmpEncoder *This = impl_from_IWICBitmapEncoder(iface);
 565     BmpFrameEncode *encode;
 566     HRESULT hr;
 567     static const PROPBAG2 opts[1] =
 568     {
 569         { PROPBAG2_TYPE_DATA, VT_BOOL, 0, 0, (LPOLESTR)L"EnableV5Header32bppBGRA" },
 570     };
 571
 572     TRACE("(%p,%p,%p)\n", iface, ppIFrameEncode, ppIEncoderOptions);
 573
 574     if (This->frame) return WINCODEC_ERR_UNSUPPORTEDOPERATION;
 575
 576     if (!This->stream) return WINCODEC_ERR_NOTINITIALIZED;
 577
 578     if (ppIEncoderOptions)
 579     {
 580         hr = CreatePropertyBag2(opts, ARRAY_SIZE(opts), ppIEncoderOptions);
 581         if (FAILED(hr)) return hr;
 582     }
 583
 584     encode = HeapAlloc(GetProcessHeap(), 0, sizeof(BmpFrameEncode));
 585     if (!encode)
 586     {
 587         IPropertyBag2_Release(*ppIEncoderOptions);
 588         *ppIEncoderOptions = NULL;
 589         return E_OUTOFMEMORY;
 590     }
 591     encode->IWICBitmapFrameEncode_iface.lpVtbl = &BmpFrameEncode_Vtbl;
 592     encode->ref = 2;
 593     IStream_AddRef(This->stream);
 594     encode->stream = This->stream;
 595     encode->initialized = FALSE;
 596     encode->width = 0;
 597     encode->height = 0;
 598     encode->bits = NULL;
 599     encode->format = NULL;
 600     encode->xres = 0.0;
 601     encode->yres = 0.0;
 602     encode->lineswritten = 0;
 603     encode->colors = 0;
 604     encode->committed = FALSE;
 605
 606     *ppIFrameEncode = &encode->IWICBitmapFrameEncode_iface;
 607     This->frame = encode;
 608
 609     return S_OK;
 610 }
 611
 612 static HRESULT WINAPI BmpEncoder_Commit(IWICBitmapEncoder *iface)
 613 {
 614     BmpEncoder *This = impl_from_IWICBitmapEncoder(iface);
 615     TRACE("(%p)\n", iface);
 616
 617     if (!This->frame || !This->frame->committed) return WINCODEC_ERR_WRONGSTATE;
 618
 619     return S_OK;
 620 }
 621
 622 static HRESULT WINAPI BmpEncoder_GetMetadataQueryWriter(IWICBitmapEncoder *iface,
 623     IWICMetadataQueryWriter **ppIMetadataQueryWriter)
 624 {
 625     FIXME("(%p,%p): stub\n", iface, ppIMetadataQueryWriter);
 626     return E_NOTIMPL;
 627 }
 628
 629 static const IWICBitmapEncoderVtbl BmpEncoder_Vtbl = {
 630     BmpEncoder_QueryInterface,
 631     BmpEncoder_AddRef,
 632     BmpEncoder_Release,
 633     BmpEncoder_Initialize,
 634     BmpEncoder_GetContainerFormat,
 635     BmpEncoder_GetEncoderInfo,
 636     BmpEncoder_SetColorContexts,
 637     BmpEncoder_SetPalette,
 638     BmpEncoder_SetThumbnail,
 639     BmpEncoder_SetPreview,
 640     BmpEncoder_CreateNewFrame,
 641     BmpEncoder_Commit,
 642     BmpEncoder_GetMetadataQueryWriter
 643 };
 644
 645 HRESULT BmpEncoder_CreateInstance(REFIID iid, void** ppv)
 646 {
 647     BmpEncoder *This;
 648     HRESULT ret;
 649
 650     TRACE("(%s,%p)\n", debugstr_guid(iid), ppv);
 651
 652     *ppv = NULL;
 653
 654     This = HeapAlloc(GetProcessHeap(), 0, sizeof(BmpEncoder));
 655     if (!This) return E_OUTOFMEMORY;
 656
 657     This->IWICBitmapEncoder_iface.lpVtbl = &BmpEncoder_Vtbl;
 658     This->ref = 1;
 659     This->stream = NULL;
 660     This->frame = NULL;
 661
 662     ret = IWICBitmapEncoder_QueryInterface(&This->IWICBitmapEncoder_iface, iid, ppv);
 663     IWICBitmapEncoder_Release(&This->IWICBitmapEncoder_iface);
 664
 665     return ret;
 666 }