This file is indexed.

/usr/include/wine/windows/dwrite_3.idl is in libwine-dev 3.0-1ubuntu1.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
/*
 * Copyright 2016 Nikolay Sivov for CodeWeavers
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
 */

import "dwrite_2.idl";

interface IDWriteFontFaceReference;
interface IDWriteFontFace3;
interface IDWriteFontSet;
interface IDWriteFontDownloadQueue;

cpp_quote("#ifndef _WINGDI_")
/* already defined in wingdi.h but needed for WIDL */
typedef struct FONTSIGNATURE FONTSIGNATURE;
cpp_quote("#endif /* _WINGDI_ */")

typedef enum DWRITE_LOCALITY
{
    DWRITE_LOCALITY_REMOTE,
    DWRITE_LOCALITY_PARTIAL,
    DWRITE_LOCALITY_LOCAL
} DWRITE_LOCALITY;

typedef enum DWRITE_RENDERING_MODE1
{
    DWRITE_RENDERING_MODE1_DEFAULT,
    DWRITE_RENDERING_MODE1_ALIASED,
    DWRITE_RENDERING_MODE1_GDI_CLASSIC,
    DWRITE_RENDERING_MODE1_GDI_NATURAL,
    DWRITE_RENDERING_MODE1_NATURAL,
    DWRITE_RENDERING_MODE1_NATURAL_SYMMETRIC,
    DWRITE_RENDERING_MODE1_OUTLINE,
    DWRITE_RENDERING_MODE1_NATURAL_SYMMETRIC_DOWNSAMPLED
} DWRITE_RENDERING_MODE1;

typedef enum DWRITE_FONT_PROPERTY_ID
{
    DWRITE_FONT_PROPERTY_ID_NONE,
    DWRITE_FONT_PROPERTY_ID_FAMILY_NAME,
    DWRITE_FONT_PROPERTY_ID_PREFERRED_FAMILY_NAME,
    DWRITE_FONT_PROPERTY_ID_FACE_NAME,
    DWRITE_FONT_PROPERTY_ID_FULL_NAME,
    DWRITE_FONT_PROPERTY_ID_WIN32_FAMILY_NAME,
    DWRITE_FONT_PROPERTY_ID_POSTSCRIPT_NAME,
    DWRITE_FONT_PROPERTY_ID_DESIGN_SCRIPT_LANGUAGE_TAG,
    DWRITE_FONT_PROPERTY_ID_SUPPORTED_SCRIPT_LANGUAGE_TAG,
    DWRITE_FONT_PROPERTY_ID_SEMANTIC_TAG,
    DWRITE_FONT_PROPERTY_ID_WEIGHT,
    DWRITE_FONT_PROPERTY_ID_STRETCH,
    DWRITE_FONT_PROPERTY_ID_STYLE,
    DWRITE_FONT_PROPERTY_ID_TOTAL
} DWRITE_FONT_PROPERTY_ID;

typedef struct DWRITE_FONT_PROPERTY
{
    DWRITE_FONT_PROPERTY_ID propertyId;
    WCHAR const *propertyValue;
    WCHAR const *localeName;
} DWRITE_FONT_PROPERTY;

[
    local,
    object,
    uuid(b06fe5b9-43ec-4393-881b-dbe4dc72fda7)
]
interface IDWriteFontDownloadListener : IUnknown
{
    void DownloadCompleted(IDWriteFontDownloadQueue *queue, IUnknown *context, HRESULT result);
}

[
    local,
    object,
    uuid(b71e6052-5aea-4fa3-832e-f60d431f7e91)
]
interface IDWriteFontDownloadQueue : IUnknown
{
    HRESULT AddListener(IDWriteFontDownloadListener *listener, UINT32 *token);
    HRESULT RemoveListener(UINT32 token);
    BOOL IsEmpty();
    HRESULT BeginDownload(IUnknown *context);
    HRESULT CancelDownload();
    UINT64 GetGenerationCount();
}

[
    local,
    object,
    uuid(b7924baa-391b-412a-8c5c-e44cc2d867dc)
]
interface IDWriteRenderingParams3 : IDWriteRenderingParams2
{
    DWRITE_RENDERING_MODE1 GetRenderingMode1();
}

[
    local,
    object,
    uuid(cfee3140-1257-47ca-8b85-31bfcf3f2d0e)
]
interface IDWriteStringList : IUnknown
{
    UINT32 GetCount();
    HRESULT GetLocaleNameLength(UINT32 index, UINT32 *length);
    HRESULT GetLocaleName(UINT32 index, WCHAR *name, UINT32 size);
    HRESULT GetStringLength(UINT32 index, UINT32 *length);
    HRESULT GetString(UINT32 index, WCHAR *string, UINT32 size);
}

[
    local,
    object,
    uuid(53585141-d9f8-4095-8321-d73cf6bd116b)
]
interface IDWriteFontSet : IUnknown
{
    UINT32 GetFontCount();
    HRESULT GetFontFaceReference(UINT32 index, IDWriteFontFaceReference **reference);
    HRESULT FindFontFaceReference(IDWriteFontFaceReference *reference,
        UINT32 *index, BOOL *exists);
    HRESULT FindFontFace(IDWriteFontFace *fontface, UINT32 *index, BOOL *exists);
    HRESULT GetPropertyValues__(DWRITE_FONT_PROPERTY_ID id, IDWriteStringList **values);
    HRESULT GetPropertyValues_(DWRITE_FONT_PROPERTY_ID id,
        WCHAR const *preferred_locales, IDWriteStringList **values);
    HRESULT GetPropertyValues(UINT32 index, DWRITE_FONT_PROPERTY_ID id, BOOL *exists,
        IDWriteLocalizedStrings **values);
    HRESULT GetPropertyOccurrenceCount(DWRITE_FONT_PROPERTY const *property, UINT32 *count);
    HRESULT GetMatchingFonts_(WCHAR const *family, DWRITE_FONT_WEIGHT weight, DWRITE_FONT_STRETCH stretch,
        DWRITE_FONT_STYLE style, IDWriteFontSet **fontset);
    HRESULT GetMatchingFonts(DWRITE_FONT_PROPERTY const *props, UINT32 count, IDWriteFontSet **fontset);
}

[
    local,
    object,
    uuid(29748ed6-8c9c-4a6a-be0b-d912e8538944)
]
interface IDWriteFont3 : IDWriteFont2
{
    HRESULT CreateFontFace(IDWriteFontFace3 **fontface);
    BOOL Equals(IDWriteFont *font);
    HRESULT GetFontFaceReference(IDWriteFontFaceReference **reference);
    BOOL HasCharacter(UINT32 character);
    DWRITE_LOCALITY GetLocality();
}

[
    local,
    object,
    uuid(da20d8ef-812a-4c43-9802-62ec4abd7adf)
]
interface IDWriteFontFamily1 : IDWriteFontFamily
{
    DWRITE_LOCALITY GetFontLocality(UINT32 index);
    HRESULT GetFont(UINT32 index, IDWriteFont3 **font);
    HRESULT GetFontFaceReference(UINT32 index, IDWriteFontFaceReference **reference);
}

[
    local,
    object,
    uuid(53585141-d9f8-4095-8321-d73cf6bd116c)
]
interface IDWriteFontCollection1 : IDWriteFontCollection
{
    HRESULT GetFontSet(IDWriteFontSet **fontset);
    HRESULT GetFontFamily(UINT32 index, IDWriteFontFamily1 **family);
}

[
    local,
    object,
    uuid(5e7fa7ca-dde3-424c-89f0-9fcd6fed58cd)
]
interface IDWriteFontFaceReference : IUnknown
{
    HRESULT CreateFontFace(IDWriteFontFace3 **fontface);
    HRESULT CreateFontFaceWithSimulations(DWRITE_FONT_SIMULATIONS simulations,
        IDWriteFontFace3 **fontface);
    BOOL Equals(IDWriteFontFaceReference *reference);
    UINT32 GetFontFaceIndex();
    DWRITE_FONT_SIMULATIONS GetSimulations();
    HRESULT GetFontFile(IDWriteFontFile **fontfile);
    UINT64 GetLocalFileSize();
    UINT64 GetFileSize();
    HRESULT GetFileTime(FILETIME *writetime);
    DWRITE_LOCALITY GetLocality();
    HRESULT EnqueueFontDownloadRequest();
    HRESULT EnqueueCharacterDownloadRequest(WCHAR const *chars, UINT32 count);
    HRESULT EnqueueGlyphDownloadRequest(UINT16 const *glyphs, UINT32 count);
    HRESULT EnqueueFileFragmentDownloadRequest(UINT64 offset, UINT64 size);
}

[
    local,
    object,
    uuid(da20d8ef-812a-4c43-9802-62ec4abd7ade)
]
interface IDWriteFontList1 : IDWriteFontList
{
    DWRITE_LOCALITY GetFontLocality(UINT32 index);
    HRESULT GetFont(UINT32 index, IDWriteFont3 **font);
    HRESULT GetFontFaceReference(UINT32 index, IDWriteFontFaceReference **reference);
}

[
    local,
    object,
    uuid(d37d7598-09be-4222-a236-2081341cc1f2)
]
interface IDWriteFontFace3 : IDWriteFontFace2
{
    HRESULT GetFontFaceReference(IDWriteFontFaceReference **reference);
    void GetPanose(DWRITE_PANOSE *panose);
    DWRITE_FONT_WEIGHT GetWeight();
    DWRITE_FONT_STRETCH GetStretch();
    DWRITE_FONT_STYLE GetStyle();
    HRESULT GetFamilyNames(IDWriteLocalizedStrings **names);
    HRESULT GetFaceNames(IDWriteLocalizedStrings **names);
    HRESULT GetInformationalStrings(DWRITE_INFORMATIONAL_STRING_ID stringid,
        IDWriteLocalizedStrings **strings,
        BOOL *exists);
    BOOL HasCharacter(UINT32 character);
    HRESULT GetRecommendedRenderingMode(
        FLOAT emsize,
        FLOAT dpi_x,
        FLOAT dpi_y,
        DWRITE_MATRIX const *transform,
        BOOL is_sideways,
        DWRITE_OUTLINE_THRESHOLD threshold,
        DWRITE_MEASURING_MODE measuring_mode,
        IDWriteRenderingParams *params,
        DWRITE_RENDERING_MODE1 *rendering_mode,
        DWRITE_GRID_FIT_MODE *gridfit_mode);
    BOOL IsCharacterLocal(UINT32 character);
    BOOL IsGlyphLocal(UINT16 glyph);
    HRESULT AreCharactersLocal(WCHAR const *characters,
        UINT32 count, BOOL enqueue_if_not, BOOL *are_local);
    HRESULT AreGlyphsLocal(UINT16 const *glyphs, UINT32 count,
        BOOL enqueue_if_not, BOOL *are_local);
}


typedef struct DWRITE_LINE_METRICS1
{
    UINT32 length;
    UINT32 trailingWhitespaceLength;
    UINT32 newlineLength;
    FLOAT height;
    FLOAT baseline;
    BOOL isTrimmed;
    FLOAT leadingBefore;
    FLOAT leadingAfter;
} DWRITE_LINE_METRICS1;

typedef enum DWRITE_FONT_LINE_GAP_USAGE
{
    DWRITE_FONT_LINE_GAP_USAGE_DEFAULT,
    DWRITE_FONT_LINE_GAP_USAGE_DISABLED,
    DWRITE_FONT_LINE_GAP_USAGE_ENABLED
} DWRITE_FONT_LINE_GAP_USAGE;

typedef struct DWRITE_LINE_SPACING
{
    DWRITE_LINE_SPACING_METHOD method;
    FLOAT height;
    FLOAT baseline;
    FLOAT leadingBefore;
    DWRITE_FONT_LINE_GAP_USAGE fontLineGapUsage;
} DWRITE_LINE_SPACING;

[
    local,
    object,
    uuid(f67e0edd-9e3d-4ecc-8c32-4183253dfe70)
]
interface IDWriteTextFormat2 : IDWriteTextFormat1
{
    HRESULT SetLineSpacing(DWRITE_LINE_SPACING const *spacing);
    HRESULT GetLineSpacing(DWRITE_LINE_SPACING *spacing);
}

[
    local,
    object,
    uuid(07ddcd52-020e-4de8-ac33-6c953d83f92d)
]
interface IDWriteTextLayout3 : IDWriteTextLayout2
{
    HRESULT InvalidateLayout();
    HRESULT SetLineSpacing(DWRITE_LINE_SPACING const *spacing);
    HRESULT GetLineSpacing(DWRITE_LINE_SPACING *spacing);
    HRESULT GetLineMetrics(DWRITE_LINE_METRICS1 *metrics, UINT32 max_count, UINT32 *count);
}

[
    local,
    object,
    uuid(4556be70-3abd-4f70-90be-421780a6f515)
]
interface IDWriteGdiInterop1 : IDWriteGdiInterop
{
    HRESULT CreateFontFromLOGFONT(LOGFONTW const *logfont,
        IDWriteFontCollection *collection,
        IDWriteFont **font);

    /* GetFontSignature() methods are listed in reversed order to make
       resulting vtable order compatible. */
    HRESULT GetFontSignature_(IDWriteFontFace *fontface, FONTSIGNATURE *fontsig);
    HRESULT GetFontSignature(IDWriteFont *font, FONTSIGNATURE *fontsig);
    HRESULT GetMatchingFontsByLOGFONT(LOGFONTW const *logfont,
        IDWriteFontSet *fontset,
        IDWriteFontSet **subset);
}

[
    local,
    object,
    uuid(2f642afe-9c68-4f40-b8be-457401afcb3d)
]
interface IDWriteFontSetBuilder : IUnknown
{
    HRESULT AddFontFaceReference_(IDWriteFontFaceReference *ref,
        DWRITE_FONT_PROPERTY const *props,
        UINT32 prop_count);
    HRESULT AddFontFaceReference(IDWriteFontFaceReference *ref);
    HRESULT AddFontSet(IDWriteFontSet *fontset);
    HRESULT CreateFontSet(IDWriteFontSet **fontset);
}

[
    local,
    object,
    uuid(3ff7715f-3cdc-4dc6-9b72-ec5621dccafd)
]
interface IDWriteFontSetBuilder1 : IDWriteFontSetBuilder
{
    HRESULT AddFontFile(IDWriteFontFile *file);
}

[
    local,
    object,
    uuid(9a1b41c3-d3bb-466a-87fc-fe67556a3b65)
]
interface IDWriteFactory3 : IDWriteFactory2
{
    HRESULT CreateGlyphRunAnalysis(
        DWRITE_GLYPH_RUN const *run,
        DWRITE_MATRIX const *transform,
        DWRITE_RENDERING_MODE1 rendering_mode,
        DWRITE_MEASURING_MODE measuring_mode,
        DWRITE_GRID_FIT_MODE gridfit_mode,
        DWRITE_TEXT_ANTIALIAS_MODE antialias_mode,
        FLOAT origin_x,
        FLOAT origin_y,
        IDWriteGlyphRunAnalysis **analysis);

    HRESULT CreateCustomRenderingParams(
        FLOAT gamma,
        FLOAT enhanced_contrast,
        FLOAT grayscale_enhanced_contrast,
        FLOAT cleartype_level,
        DWRITE_PIXEL_GEOMETRY pixel_geometry,
        DWRITE_RENDERING_MODE1 rendering_mode,
        DWRITE_GRID_FIT_MODE gridfit_mode,
        IDWriteRenderingParams3 **params);

    /* CreateFontFaceReference methods are listed in reversed order to make
       resulting vtable order compatible. */
    HRESULT CreateFontFaceReference_(
        IDWriteFontFile *file,
        UINT32 index,
        DWRITE_FONT_SIMULATIONS simulations,
        IDWriteFontFaceReference **reference);

    HRESULT CreateFontFaceReference(
        WCHAR const *path,
        FILETIME const *writetime,
        UINT32 index,
        DWRITE_FONT_SIMULATIONS simulations,
        IDWriteFontFaceReference **reference);

    HRESULT GetSystemFontSet(IDWriteFontSet **fontset);
    HRESULT CreateFontSetBuilder(IDWriteFontSetBuilder **builder);
    HRESULT CreateFontCollectionFromFontSet(
        IDWriteFontSet *fontset,
        IDWriteFontCollection1 **collection);

    HRESULT GetSystemFontCollection(
        BOOL include_downloadable,
        IDWriteFontCollection1 **collection,
        BOOL check_for_updates);

    HRESULT GetFontDownloadQueue(IDWriteFontDownloadQueue **queue);
}

typedef enum DWRITE_GLYPH_IMAGE_FORMATS
{
    DWRITE_GLYPH_IMAGE_FORMATS_NONE                   = 0,
    DWRITE_GLYPH_IMAGE_FORMATS_TRUETYPE               = 1 << 0,
    DWRITE_GLYPH_IMAGE_FORMATS_CFF                    = 1 << 1,
    DWRITE_GLYPH_IMAGE_FORMATS_COLR                   = 1 << 2,
    DWRITE_GLYPH_IMAGE_FORMATS_SVG                    = 1 << 3,
    DWRITE_GLYPH_IMAGE_FORMATS_PNG                    = 1 << 4,
    DWRITE_GLYPH_IMAGE_FORMATS_JPEG                   = 1 << 5,
    DWRITE_GLYPH_IMAGE_FORMATS_TIFF                   = 1 << 6,
    DWRITE_GLYPH_IMAGE_FORMATS_PREMULTIPLIED_B8G8R8A8 = 1 << 7
} DWRITE_GLYPH_IMAGE_FORMATS;

typedef struct DWRITE_GLYPH_IMAGE_DATA
{
    void const *imageData;
    UINT32 imageDataSize;
    UINT32 uniqueDataId;
    UINT32 pixelsPerEm;
    D2D1_SIZE_U pixelSize;
    D2D1_POINT_2L horizontalLeftOrigin;
    D2D1_POINT_2L horizontalRightOrigin;
    D2D1_POINT_2L verticalTopOrigin;
    D2D1_POINT_2L verticalBottomOrigin;
} DWRITE_GLYPH_IMAGE_DATA;

[
    local,
    object,
    uuid(27f2a904-4eb8-441d-9678-0563f53e3e2f)
]
interface IDWriteFontFace4 : IDWriteFontFace3
{
    HRESULT GetGlyphImageFormats_(
        UINT16 glyph,
        UINT32 ppem_first,
        UINT32 ppem_last,
        DWRITE_GLYPH_IMAGE_FORMATS *formats);
    DWRITE_GLYPH_IMAGE_FORMATS GetGlyphImageFormats();
    HRESULT GetGlyphImageData(
        UINT16 glyph,
        UINT32 ppem,
        DWRITE_GLYPH_IMAGE_FORMATS format,
        DWRITE_GLYPH_IMAGE_DATA *data,
        void **context);
    void ReleaseGlyphImageData(void *context);
}

typedef struct DWRITE_COLOR_GLYPH_RUN1
{
    DWRITE_GLYPH_RUN glyphRun;
    DWRITE_GLYPH_RUN_DESCRIPTION *glyphRunDescription;
    FLOAT baselineOriginX;
    FLOAT baselineOriginY;
    DWRITE_COLOR_F runColor;
    UINT16 paletteIndex;
    DWRITE_GLYPH_IMAGE_FORMATS glyphImageFormat;
    DWRITE_MEASURING_MODE measuringMode;
} DWRITE_COLOR_GLYPH_RUN1;

[
    local,
    object,
    uuid(7c5f86da-c7a1-4f05-b8e1-55a179fe5a35)
]
interface IDWriteColorGlyphRunEnumerator1 : IDWriteColorGlyphRunEnumerator
{
    HRESULT GetCurrentRun(
        DWRITE_COLOR_GLYPH_RUN1 const **run);
}

[
    local,
    object,
    uuid(4b0b5bd3-0797-4549-8ac5-fe915cc53856)
]
interface IDWriteFactory4 : IDWriteFactory3
{
    HRESULT TranslateColorGlyphRun(
        D2D1_POINT_2F baseline_origin,
        DWRITE_GLYPH_RUN const *run,
        DWRITE_GLYPH_RUN_DESCRIPTION const *run_desc,
        DWRITE_GLYPH_IMAGE_FORMATS desired_formats,
        DWRITE_MEASURING_MODE measuring_mode,
        DWRITE_MATRIX const *transform,
        UINT32 palette,
        IDWriteColorGlyphRunEnumerator1 **layers);

    HRESULT ComputeGlyphOrigins_(
        DWRITE_GLYPH_RUN const *run,
        D2D1_POINT_2F baseline_origin,
        D2D1_POINT_2F *origins);

    HRESULT ComputeGlyphOrigins(
        DWRITE_GLYPH_RUN const *run,
        DWRITE_MEASURING_MODE measuring_mode,
        D2D1_POINT_2F baseline_origin,
        DWRITE_MATRIX const *transform,
        D2D1_POINT_2F *origins);
}

[
    local,
    object,
    uuid(ce25f8fd-863b-4d13-9651-c1f88dc73fe2)
]
interface IDWriteAsyncResult : IUnknown
{
    HANDLE GetWaitHandle();
    HRESULT GetResult();
}

typedef struct DWRITE_FILE_FRAGMENT
{
    UINT64 fileOffset;
    UINT64 fragmentSize;
} DWRITE_FILE_FRAGMENT;

[
    local,
    object,
    uuid(4db3757a-2c72-4ed9-b2b6-1ababe1aff9c)
]
interface IDWriteRemoteFontFileStream : IDWriteFontFileStream
{
    HRESULT GetLocalFileSize(UINT64 *size);
    HRESULT GetFileFragmentLocality(UINT64 offset, UINT64 size, BOOL *is_local, UINT64 *partial_size);
    DWRITE_LOCALITY GetLocality();
    HRESULT BeginDownload(
        GUID const *operation_id,
        DWRITE_FILE_FRAGMENT const *fragments,
        UINT32 fragment_count,
        IDWriteAsyncResult **async_result);
}

typedef enum DWRITE_CONTAINER_TYPE
{
    DWRITE_CONTAINER_TYPE_UNKNOWN,
    DWRITE_CONTAINER_TYPE_WOFF,
    DWRITE_CONTAINER_TYPE_WOFF2,
} DWRITE_CONTAINER_TYPE;

[
    local,
    object,
    uuid(68648c83-6ede-46c0-ab46-20083a887fde)
]
interface IDWriteRemoteFontFileLoader : IDWriteFontFileLoader
{
    HRESULT CreateRemoteStreamFromKey(void const *key, UINT32 key_size, IDWriteRemoteFontFileStream **stream);
    HRESULT GetLocalityFromKey(void const *key, UINT32 key_size, DWRITE_LOCALITY *locality);
    HRESULT CreateFontFileReferenceFromUrl(
        IDWriteFactory *factory,
        WCHAR const *base_url,
        WCHAR const *file_url,
        IDWriteFontFile **fontfile);
}

[
    local,
    object,
    uuid(dc102f47-a12d-4b1c-822d-9e117e33043f)
]
interface IDWriteInMemoryFontFileLoader : IDWriteFontFileLoader
{
    HRESULT CreateInMemoryFontFileReference(
        IDWriteFactory *factory,
        void const *data,
        UINT32 data_size,
        IUnknown *owner,
        IDWriteFontFile **fontfile);
    UINT32 GetFileCount();
}

[
    local,
    object,
    uuid(958db99a-be2a-4f09-af7d-65189803d1d3)
]
interface IDWriteFactory5 : IDWriteFactory4
{
    HRESULT CreateFontSetBuilder(IDWriteFontSetBuilder1 **fontset_builder);
    HRESULT CreateInMemoryFontFileLoader(IDWriteFontFileLoader **loader);
    HRESULT CreateHttpFontFileLoader(
        WCHAR const *referrer_url,
        WCHAR const *extra_headers,
        IDWriteRemoteFontFileLoader **loader);
    DWRITE_CONTAINER_TYPE AnalyzeContainerType(void const *data, UINT32 data_size);
    HRESULT UnpackFontFile(
        DWRITE_CONTAINER_TYPE container_type,
        void const *data,
        UINT32 data_size,
        IDWriteFontFileStream **stream);
}