/*
 * Copyright 2012 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 "unknwn.idl";
import "dcommon.h";

interface IDWriteFactory;
interface IDWriteFontCollection;
interface IDWriteFontFamily;
interface IDWriteFontFace;
interface IDWriteInlineObject;

interface ID2D1SimplifiedGeometrySink;
typedef ID2D1SimplifiedGeometrySink IDWriteGeometrySink;

cpp_quote("#ifndef _WINDEF_")
/* already defined in windef.h but needed for WIDL */
typedef void *HMONITOR;
cpp_quote("#endif /* _WINDEF_ */")

cpp_quote("#ifdef WINE_NO_UNICODE_MACROS")
cpp_quote("#undef GetGlyphIndices")
cpp_quote("#endif")

typedef enum DWRITE_FACTORY_TYPE
{
    DWRITE_FACTORY_TYPE_SHARED,
    DWRITE_FACTORY_TYPE_ISOLATED
} DWRITE_FACTORY_TYPE;

typedef enum DWRITE_FONT_FILE_TYPE
{
    DWRITE_FONT_FILE_TYPE_UNKNOWN,
    DWRITE_FONT_FILE_TYPE_CFF,
    DWRITE_FONT_FILE_TYPE_TRUETYPE,
    DWRITE_FONT_FILE_TYPE_TRUETYPE_COLLECTION,
    DWRITE_FONT_FILE_TYPE_TYPE1_PFM,
    DWRITE_FONT_FILE_TYPE_TYPE1_PFB,
    DWRITE_FONT_FILE_TYPE_VECTOR,
    DWRITE_FONT_FILE_TYPE_BITMAP
} DWRITE_FONT_FILE_TYPE;

typedef enum DWRITE_FONT_FACE_TYPE
{
    DWRITE_FONT_FACE_TYPE_CFF,
    DWRITE_FONT_FACE_TYPE_TRUETYPE,
    DWRITE_FONT_FACE_TYPE_TRUETYPE_COLLECTION,
    DWRITE_FONT_FACE_TYPE_TYPE1,
    DWRITE_FONT_FACE_TYPE_VECTOR,
    DWRITE_FONT_FACE_TYPE_BITMAP,
    DWRITE_FONT_FACE_TYPE_UNKNOWN
} DWRITE_FONT_FACE_TYPE;

typedef enum DWRITE_FONT_WEIGHT
{
    DWRITE_FONT_WEIGHT_THIN = 100,
    DWRITE_FONT_WEIGHT_EXTRA_LIGHT = 200,
    DWRITE_FONT_WEIGHT_ULTRA_LIGHT = 200,
    DWRITE_FONT_WEIGHT_LIGHT = 300,
    DWRITE_FONT_WEIGHT_NORMAL = 400,
    DWRITE_FONT_WEIGHT_REGULAR = 400,
    DWRITE_FONT_WEIGHT_MEDIUM = 500,
    DWRITE_FONT_WEIGHT_DEMI_BOLD = 600,
    DWRITE_FONT_WEIGHT_SEMI_BOLD = 600,
    DWRITE_FONT_WEIGHT_BOLD = 700,
    DWRITE_FONT_WEIGHT_EXTRA_BOLD = 800,
    DWRITE_FONT_WEIGHT_ULTRA_BOLD = 800,
    DWRITE_FONT_WEIGHT_BLACK = 900,
    DWRITE_FONT_WEIGHT_HEAVY = 900,
    DWRITE_FONT_WEIGHT_EXTRA_BLACK = 950,
    DWRITE_FONT_WEIGHT_ULTRA_BLACK = 950
} DWRITE_FONT_WEIGHT;

typedef enum DWRITE_FONT_STRETCH
{
    DWRITE_FONT_STRETCH_UNDEFINED = 0,
    DWRITE_FONT_STRETCH_ULTRA_CONDENSED = 1,
    DWRITE_FONT_STRETCH_EXTRA_CONDENSED = 2,
    DWRITE_FONT_STRETCH_CONDENSED = 3,
    DWRITE_FONT_STRETCH_SEMI_CONDENSED = 4,
    DWRITE_FONT_STRETCH_NORMAL = 5,
    DWRITE_FONT_STRETCH_MEDIUM = 5,
    DWRITE_FONT_STRETCH_SEMI_EXPANDED = 6,
    DWRITE_FONT_STRETCH_EXPANDED = 7,
    DWRITE_FONT_STRETCH_EXTRA_EXPANDED = 8,
    DWRITE_FONT_STRETCH_ULTRA_EXPANDED = 9
} DWRITE_FONT_STRETCH;

typedef enum DWRITE_FONT_STYLE
{
    DWRITE_FONT_STYLE_NORMAL,
    DWRITE_FONT_STYLE_OBLIQUE,
    DWRITE_FONT_STYLE_ITALIC
} DWRITE_FONT_STYLE;

typedef enum DWRITE_INFORMATIONAL_STRING_ID
{
    DWRITE_INFORMATIONAL_STRING_NONE,
    DWRITE_INFORMATIONAL_STRING_COPYRIGHT_NOTICE,
    DWRITE_INFORMATIONAL_STRING_VERSION_STRINGS,
    DWRITE_INFORMATIONAL_STRING_TRADEMARK,
    DWRITE_INFORMATIONAL_STRING_MANUFACTURER,
    DWRITE_INFORMATIONAL_STRING_DESIGNER,
    DWRITE_INFORMATIONAL_STRING_DESIGNER_URL,
    DWRITE_INFORMATIONAL_STRING_DESCRIPTION,
    DWRITE_INFORMATIONAL_STRING_FONT_VENDOR_URL,
    DWRITE_INFORMATIONAL_STRING_LICENSE_DESCRIPTION,
    DWRITE_INFORMATIONAL_STRING_LICENSE_INFO_URL,
    DWRITE_INFORMATIONAL_STRING_WIN32_FAMILY_NAMES,
    DWRITE_INFORMATIONAL_STRING_WIN32_SUBFAMILY_NAMES,
    DWRITE_INFORMATIONAL_STRING_PREFERRED_FAMILY_NAMES,
    DWRITE_INFORMATIONAL_STRING_PREFERRED_SUBFAMILY_NAMES,
    DWRITE_INFORMATIONAL_STRING_SAMPLE_TEXT
} DWRITE_INFORMATIONAL_STRING_ID;

typedef enum DWRITE_FONT_SIMULATIONS
{
    DWRITE_FONT_SIMULATIONS_NONE    = 0x0000,
    DWRITE_FONT_SIMULATIONS_BOLD    = 0x0001,
    DWRITE_FONT_SIMULATIONS_OBLIQUE = 0x0002
} DWRITE_FONT_SIMULATIONS;

typedef enum DWRITE_PIXEL_GEOMETRY
{
    DWRITE_PIXEL_GEOMETRY_FLAT,
    DWRITE_PIXEL_GEOMETRY_RGB,
    DWRITE_PIXEL_GEOMETRY_BGR
} DWRITE_PIXEL_GEOMETRY;

typedef enum DWRITE_RENDERING_MODE
{
    DWRITE_RENDERING_MODE_DEFAULT,
    DWRITE_RENDERING_MODE_ALIASED,
    DWRITE_RENDERING_MODE_CLEARTYPE_GDI_CLASSIC,
    DWRITE_RENDERING_MODE_CLEARTYPE_GDI_NATURAL,
    DWRITE_RENDERING_MODE_CLEARTYPE_NATURAL,
    DWRITE_RENDERING_MODE_CLEARTYPE_NATURAL_SYMMETRIC,
    DWRITE_RENDERING_MODE_OUTLINE
} DWRITE_RENDERING_MODE;

typedef enum DWRITE_TEXT_ALIGNMENT
{
    DWRITE_TEXT_ALIGNMENT_LEADING,
    DWRITE_TEXT_ALIGNMENT_TRAILING,
    DWRITE_TEXT_ALIGNMENT_CENTER
} DWRITE_TEXT_ALIGNMENT;

typedef enum DWRITE_PARAGRAPH_ALIGNMENT
{
    DWRITE_PARAGRAPH_ALIGNMENT_NEAR,
    DWRITE_PARAGRAPH_ALIGNMENT_FAR,
    DWRITE_PARAGRAPH_ALIGNMENT_CENTER
} DWRITE_PARAGRAPH_ALIGNMENT;

typedef enum DWRITE_WORD_WRAPPING
{
    DWRITE_WORD_WRAPPING_WRAP,
    DWRITE_WORD_WRAPPING_NO_WRAP
} DWRITE_WORD_WRAPPING;

typedef enum DWRITE_READING_DIRECTION
{
    DWRITE_READING_DIRECTION_LEFT_TO_RIGHT,
    DWRITE_READING_DIRECTION_RIGHT_TO_LEFT
} DWRITE_READING_DIRECTION;

typedef enum DWRITE_FLOW_DIRECTION
{
    DWRITE_FLOW_DIRECTION_TOP_TO_BOTTOM
} DWRITE_FLOW_DIRECTION;

typedef enum DWRITE_TRIMMING_GRANULARITY
{
    DWRITE_TRIMMING_GRANULARITY_NONE,
    DWRITE_TRIMMING_GRANULARITY_CHARACTER,
    DWRITE_TRIMMING_GRANULARITY_WORD
} DWRITE_TRIMMING_GRANULARITY;

typedef enum DWRITE_BREAK_CONDITION
{
    DWRITE_BREAK_CONDITION_NEUTRAL,
    DWRITE_BREAK_CONDITION_CAN_BREAK,
    DWRITE_BREAK_CONDITION_MAY_NOT_BREAK,
    DWRITE_BREAK_CONDITION_MUST_BREAK
} DWRITE_BREAK_CONDITION;

typedef enum DWRITE_LINE_SPACING_METHOD
{
    DWRITE_LINE_SPACING_METHOD_DEFAULT,
    DWRITE_LINE_SPACING_METHOD_UNIFORM
} DWRITE_LINE_SPACING_METHOD;

typedef enum DWRITE_FONT_FEATURE_TAG
{
    DWRITE_FONT_FEATURE_TAG_ALTERNATIVE_FRACTIONS           = 0x63726661, /* 'afrc' */
    DWRITE_FONT_FEATURE_TAG_PETITE_CAPITALS_FROM_CAPITALS   = 0x63703263, /* 'c2pc' */
    DWRITE_FONT_FEATURE_TAG_SMALL_CAPITALS_FROM_CAPITALS    = 0x63733263, /* 'c2sc' */
    DWRITE_FONT_FEATURE_TAG_CONTEXTUAL_ALTERNATES           = 0x746c6163, /* 'calt' */
    DWRITE_FONT_FEATURE_TAG_CASE_SENSITIVE_FORMS            = 0x65736163, /* 'case' */
    DWRITE_FONT_FEATURE_TAG_GLYPH_COMPOSITION_DECOMPOSITION = 0x706d6363, /* 'ccmp' */
    DWRITE_FONT_FEATURE_TAG_CONTEXTUAL_LIGATURES            = 0x67696c63, /* 'clig' */
    DWRITE_FONT_FEATURE_TAG_CAPITAL_SPACING                 = 0x70737063, /* 'cpsp' */
    DWRITE_FONT_FEATURE_TAG_CONTEXTUAL_SWASH                = 0x68777363, /* 'cswh' */
    DWRITE_FONT_FEATURE_TAG_CURSIVE_POSITIONING             = 0x73727563, /* 'curs' */
    DWRITE_FONT_FEATURE_TAG_DEFAULT                         = 0x746c6664, /* 'dflt' */
    DWRITE_FONT_FEATURE_TAG_DISCRETIONARY_LIGATURES         = 0x67696c64, /* 'dlig' */
    DWRITE_FONT_FEATURE_TAG_EXPERT_FORMS                    = 0x74707865, /* 'expt' */
    DWRITE_FONT_FEATURE_TAG_FRACTIONS                       = 0x63617266, /* 'frac' */
    DWRITE_FONT_FEATURE_TAG_FULL_WIDTH                      = 0x64697766, /* 'fwid' */
    DWRITE_FONT_FEATURE_TAG_HALF_FORMS                      = 0x666c6168, /* 'half' */
    DWRITE_FONT_FEATURE_TAG_HALANT_FORMS                    = 0x6e6c6168, /* 'haln' */
    DWRITE_FONT_FEATURE_TAG_ALTERNATE_HALF_WIDTH            = 0x746c6168, /* 'halt' */
    DWRITE_FONT_FEATURE_TAG_HISTORICAL_FORMS                = 0x74736968, /* 'hist' */
    DWRITE_FONT_FEATURE_TAG_HORIZONTAL_KANA_ALTERNATES      = 0x616e6b68, /* 'hkna' */
    DWRITE_FONT_FEATURE_TAG_HISTORICAL_LIGATURES            = 0x67696c68, /* 'hlig' */
    DWRITE_FONT_FEATURE_TAG_HALF_WIDTH                      = 0x64697768, /* 'hwid' */
    DWRITE_FONT_FEATURE_TAG_HOJO_KANJI_FORMS                = 0x6f6a6f68, /* 'hojo' */
    DWRITE_FONT_FEATURE_TAG_JIS04_FORMS                     = 0x3430706a, /* 'jp04' */
    DWRITE_FONT_FEATURE_TAG_JIS78_FORMS                     = 0x3837706a, /* 'jp78' */
    DWRITE_FONT_FEATURE_TAG_JIS83_FORMS                     = 0x3338706a, /* 'jp83' */
    DWRITE_FONT_FEATURE_TAG_JIS90_FORMS                     = 0x3039706a, /* 'jp90' */
    DWRITE_FONT_FEATURE_TAG_KERNING                         = 0x6e72656b, /* 'kern' */
    DWRITE_FONT_FEATURE_TAG_STANDARD_LIGATURES              = 0x6167696c, /* 'liga' */
    DWRITE_FONT_FEATURE_TAG_LINING_FIGURES                  = 0x6d756e6c, /* 'lnum' */
    DWRITE_FONT_FEATURE_TAG_LOCALIZED_FORMS                 = 0x6c636f6c, /* 'locl' */
    DWRITE_FONT_FEATURE_TAG_MARK_POSITIONING                = 0x6b72616d, /* 'mark' */
    DWRITE_FONT_FEATURE_TAG_MATHEMATICAL_GREEK              = 0x6b72676d, /* 'mgrk' */
    DWRITE_FONT_FEATURE_TAG_MARK_TO_MARK_POSITIONING        = 0x6b6d6b6d, /* 'mkmk' */
    DWRITE_FONT_FEATURE_TAG_ALTERNATE_ANNOTATION_FORMS      = 0x746c616e, /* 'nalt' */
    DWRITE_FONT_FEATURE_TAG_NLC_KANJI_FORMS                 = 0x6b636c6e, /* 'nlck' */
    DWRITE_FONT_FEATURE_TAG_OLD_STYLE_FIGURES               = 0x6d756e6f, /* 'onum' */
    DWRITE_FONT_FEATURE_TAG_ORDINALS                        = 0x6e64726f, /* 'ordn' */
    DWRITE_FONT_FEATURE_TAG_PROPORTIONAL_ALTERNATE_WIDTH    = 0x746c6170, /* 'palt' */
    DWRITE_FONT_FEATURE_TAG_PETITE_CAPITALS                 = 0x70616370, /* 'pcap' */
    DWRITE_FONT_FEATURE_TAG_PROPORTIONAL_FIGURES            = 0x6d756e70, /* 'pnum' */
    DWRITE_FONT_FEATURE_TAG_PROPORTIONAL_WIDTHS             = 0x64697770, /* 'pwid' */
    DWRITE_FONT_FEATURE_TAG_QUARTER_WIDTHS                  = 0x64697771, /* 'qwid' */
    DWRITE_FONT_FEATURE_TAG_REQUIRED_LIGATURES              = 0x67696c72, /* 'rlig' */
    DWRITE_FONT_FEATURE_TAG_RUBY_NOTATION_FORMS             = 0x79627572, /* 'ruby' */
    DWRITE_FONT_FEATURE_TAG_STYLISTIC_ALTERNATES            = 0x746c6173, /* 'salt' */
    DWRITE_FONT_FEATURE_TAG_SCIENTIFIC_INFERIORS            = 0x666e6973, /* 'sinf' */
    DWRITE_FONT_FEATURE_TAG_SMALL_CAPITALS                  = 0x70636d73, /* 'smcp' */
    DWRITE_FONT_FEATURE_TAG_SIMPLIFIED_FORMS                = 0x6c706d73, /* 'smpl' */
    DWRITE_FONT_FEATURE_TAG_STYLISTIC_SET_1                 = 0x31307373, /* 'ss01' */
    DWRITE_FONT_FEATURE_TAG_STYLISTIC_SET_2                 = 0x32307373, /* 'ss02' */
    DWRITE_FONT_FEATURE_TAG_STYLISTIC_SET_3                 = 0x33307373, /* 'ss03' */
    DWRITE_FONT_FEATURE_TAG_STYLISTIC_SET_4                 = 0x34307373, /* 'ss04' */
    DWRITE_FONT_FEATURE_TAG_STYLISTIC_SET_5                 = 0x35307373, /* 'ss05' */
    DWRITE_FONT_FEATURE_TAG_STYLISTIC_SET_6                 = 0x36307373, /* 'ss06' */
    DWRITE_FONT_FEATURE_TAG_STYLISTIC_SET_7                 = 0x37307373, /* 'ss07' */
    DWRITE_FONT_FEATURE_TAG_STYLISTIC_SET_8                 = 0x38307373, /* 'ss08' */
    DWRITE_FONT_FEATURE_TAG_STYLISTIC_SET_9                 = 0x39307373, /* 'ss09' */
    DWRITE_FONT_FEATURE_TAG_STYLISTIC_SET_10                = 0x30317373, /* 'ss10' */
    DWRITE_FONT_FEATURE_TAG_STYLISTIC_SET_11                = 0x31317373, /* 'ss11' */
    DWRITE_FONT_FEATURE_TAG_STYLISTIC_SET_12                = 0x32317373, /* 'ss12' */
    DWRITE_FONT_FEATURE_TAG_STYLISTIC_SET_13                = 0x33317373, /* 'ss13' */
    DWRITE_FONT_FEATURE_TAG_STYLISTIC_SET_14                = 0x34317373, /* 'ss14' */
    DWRITE_FONT_FEATURE_TAG_STYLISTIC_SET_15                = 0x35317373, /* 'ss15' */
    DWRITE_FONT_FEATURE_TAG_STYLISTIC_SET_16                = 0x36317373, /* 'ss16' */
    DWRITE_FONT_FEATURE_TAG_STYLISTIC_SET_17                = 0x37317373, /* 'ss17' */
    DWRITE_FONT_FEATURE_TAG_STYLISTIC_SET_18                = 0x38317373, /* 'ss18' */
    DWRITE_FONT_FEATURE_TAG_STYLISTIC_SET_19                = 0x39317373, /* 'ss19' */
    DWRITE_FONT_FEATURE_TAG_STYLISTIC_SET_20                = 0x30327373, /* 'ss20' */
    DWRITE_FONT_FEATURE_TAG_SUBSCRIPT                       = 0x73627573, /* 'subs' */
    DWRITE_FONT_FEATURE_TAG_SUPERSCRIPT                     = 0x73707573, /* 'sups' */
    DWRITE_FONT_FEATURE_TAG_SWASH                           = 0x68737773, /* 'swsh' */
    DWRITE_FONT_FEATURE_TAG_TITLING                         = 0x6c746974, /* 'titl' */
    DWRITE_FONT_FEATURE_TAG_TRADITIONAL_NAME_FORMS          = 0x6d616e74, /* 'tnam' */
    DWRITE_FONT_FEATURE_TAG_TABULAR_FIGURES                 = 0x6d756e74, /* 'tnum' */
    DWRITE_FONT_FEATURE_TAG_TRADITIONAL_FORMS               = 0x64617274, /* 'trad' */
    DWRITE_FONT_FEATURE_TAG_THIRD_WIDTHS                    = 0x64697774, /* 'twid' */
    DWRITE_FONT_FEATURE_TAG_UNICASE                         = 0x63696e75, /* 'unic' */
    DWRITE_FONT_FEATURE_TAG_SLASHED_ZERO                    = 0x6f72657a, /* 'zero' */
} DWRITE_FONT_FEATURE_TAG;

typedef enum DWRITE_SCRIPT_SHAPES
{
    DWRITE_SCRIPT_SHAPES_DEFAULT = 0,
    DWRITE_SCRIPT_SHAPES_NO_VISUAL = 1
} DWRITE_SCRIPT_SHAPES;

typedef enum DWRITE_NUMBER_SUBSTITUTION_METHOD
{
    DWRITE_NUMBER_SUBSTITUTION_METHOD_FROM_CULTURE,
    DWRITE_NUMBER_SUBSTITUTION_METHOD_CONTEXTUAL,
    DWRITE_NUMBER_SUBSTITUTION_METHOD_NONE,
    DWRITE_NUMBER_SUBSTITUTION_METHOD_NATIONAL,
    DWRITE_NUMBER_SUBSTITUTION_METHOD_TRADITIONAL
} DWRITE_NUMBER_SUBSTITUTION_METHOD;

typedef enum DWRITE_TEXTURE_TYPE
{
    DWRITE_TEXTURE_ALIASED_1x1,
    DWRITE_TEXTURE_CLEARTYPE_3x1
} DWRITE_TEXTURE_TYPE;

typedef struct DWRITE_FONT_METRICS
{
    UINT16 designUnitsPerEm;
    UINT16 ascent;
    UINT16 descent;
    INT16 lineGap;
    UINT16 capHeight;
    UINT16 xHeight;
    INT16 underlinePosition;
    UINT16 underlineThickness;
    INT16 strikethroughPosition;
    UINT16 strikethroughThickness;
} DWRITE_FONT_METRICS;

typedef struct DWRITE_GLYPH_METRICS
{
    INT32 leftSideBearing;
    UINT32 advanceWidth;
    INT32 rightSideBearing;
    INT32 topSideBearing;
    UINT32 advanceHeight;
    INT32 bottomSideBearing;
    INT32 verticalOriginY;
} DWRITE_GLYPH_METRICS;

typedef struct DWRITE_GLYPH_OFFSET
{
    FLOAT advanceOffset;
    FLOAT ascenderOffset;
} DWRITE_GLYPH_OFFSET;

typedef struct DWRITE_MATRIX
{
    FLOAT m11;
    FLOAT m12;
    FLOAT m21;
    FLOAT m22;
    FLOAT dx;
    FLOAT dy;
} DWRITE_MATRIX;

typedef struct DWRITE_TRIMMING
{
    DWRITE_TRIMMING_GRANULARITY granularity;
    UINT32 delimiter;
    UINT32 delimiterCount;
} DWRITE_TRIMMING;

typedef struct DWRITE_GLYPH_RUN
{
    IDWriteFontFace* fontFace;
    FLOAT fontEmSize;
    UINT32 glyphCount;
    UINT16 const* glyphIndices;
    FLOAT const* glyphAdvances;
    DWRITE_GLYPH_OFFSET const* glyphOffsets;
    BOOL isSideways;
    UINT32 bidiLevel;
} DWRITE_GLYPH_RUN;

typedef struct DWRITE_GLYPH_RUN_DESCRIPTION
{
    WCHAR const* localeName;
    WCHAR const* string;
    UINT32 stringLength;
    UINT16 const* clusterMap;
    UINT32 textPosition;
} DWRITE_GLYPH_RUN_DESCRIPTION;

typedef struct DWRITE_UNDERLINE
{
    FLOAT width;
    FLOAT thickness;
    FLOAT offset;
    FLOAT runHeight;
    DWRITE_READING_DIRECTION readingDirection;
    DWRITE_FLOW_DIRECTION flowDirection;
    WCHAR const* localeName;
    DWRITE_MEASURING_MODE measuringMode;
} DWRITE_UNDERLINE;

typedef struct DWRITE_STRIKETHROUGH
{
    FLOAT width;
    FLOAT thickness;
    FLOAT offset;
    DWRITE_READING_DIRECTION readingDirection;
    DWRITE_FLOW_DIRECTION flowDirection;
    WCHAR const* localeName;
    DWRITE_MEASURING_MODE measuringMode;
} DWRITE_STRIKETHROUGH;

typedef struct DWRITE_INLINE_OBJECT_METRICS
{
    FLOAT width;
    FLOAT height;
    FLOAT baseline;
    BOOL  supportsSideways;
} DWRITE_INLINE_OBJECT_METRICS;

typedef struct DWRITE_OVERHANG_METRICS
{
    FLOAT left;
    FLOAT top;
    FLOAT right;
    FLOAT bottom;
} DWRITE_OVERHANG_METRICS;

typedef struct DWRITE_FONT_FEATURE
{
    DWRITE_FONT_FEATURE_TAG nameTag;
    UINT32 parameter;
} DWRITE_FONT_FEATURE;

typedef struct DWRITE_TEXT_RANGE
{
    UINT32 startPosition;
    UINT32 length;
} DWRITE_TEXT_RANGE;

typedef struct DWRITE_LINE_METRICS
{
    UINT32 length;
    UINT32 trailingWhitespaceLength;
    UINT32 newlineLength;
    FLOAT height;
    FLOAT baseline;
    BOOL isTrimmed;
} DWRITE_LINE_METRICS;

typedef struct DWRITE_TEXT_METRICS
{
    FLOAT left;
    FLOAT top;
    FLOAT width;
    FLOAT widthIncludingTrailingWhitespace;
    FLOAT height;
    FLOAT layoutWidth;
    FLOAT layoutHeight;
    UINT32 maxBidiReorderingDepth;
    UINT32 lineCount;
} DWRITE_TEXT_METRICS;

typedef struct DWRITE_CLUSTER_METRICS
{
    FLOAT width;
    UINT16 length;
    UINT16 canWrapLineAfter : 1;
    UINT16 isWhitespace : 1;
    UINT16 isNewline : 1;
    UINT16 isSoftHyphen : 1;
    UINT16 isRightToLeft : 1;
    UINT16 padding : 11;
} DWRITE_CLUSTER_METRICS;

typedef struct DWRITE_HIT_TEST_METRICS
{
    UINT32 textPosition;
    UINT32 length;
    FLOAT left;
    FLOAT top;
    FLOAT width;
    FLOAT height;
    UINT32 bidiLevel;
    BOOL isText;
    BOOL isTrimmed;
} DWRITE_HIT_TEST_METRICS;

typedef struct DWRITE_SCRIPT_ANALYSIS
{
    UINT16 script;
    DWRITE_SCRIPT_SHAPES shapes;
} DWRITE_SCRIPT_ANALYSIS;

typedef struct DWRITE_LINE_BREAKPOINT
{
    UINT8 breakConditionBefore : 2;
    UINT8 breakConditionAfter : 2;
    UINT8 isWhitespace : 1;
    UINT8 isSoftHyphen : 1;
    UINT8 padding : 2;
} DWRITE_LINE_BREAKPOINT;

typedef struct DWRITE_TYPOGRAPHIC_FEATURES
{
    DWRITE_FONT_FEATURE* features;
    UINT32 featureCount;
} DWRITE_TYPOGRAPHIC_FEATURES;

typedef struct DWRITE_SHAPING_TEXT_PROPERTIES
{
    UINT16 isShapedAlone : 1;
    UINT16 reserved : 15;
} DWRITE_SHAPING_TEXT_PROPERTIES;

typedef struct DWRITE_SHAPING_GLYPH_PROPERTIES
{
    UINT16 justification : 4;
    UINT16 isClusterStart : 1;
    UINT16 isDiacritic : 1;
    UINT16 isZeroWidthSpace : 1;
    UINT16 reserved : 9;
} DWRITE_SHAPING_GLYPH_PROPERTIES;

[
local,
object,
uuid(6d4865fe-0ab8-4d91-8f62-5dd6be34a3e0)
]
interface IDWriteFontFileStream : IUnknown
{
    HRESULT ReadFileFragment(
        void const **fragment_start,
        UINT64 offset,
        UINT64 fragment_size,
        void **fragment_context);

    void ReleaseFileFragment(void *fragment_context);
    HRESULT GetFileSize(UINT64 *size);
    HRESULT GetLastWriteTime(UINT64 *last_writetime);
}

[
local,
object,
uuid(727cad4e-d6af-4c9e-8a08-d695b11caa49)
]
interface IDWriteFontFileLoader : IUnknown
{
    HRESULT CreateStreamFromKey(
        void const *key,
        UINT32 key_size,
        IDWriteFontFileStream **stream);
}

[
local,
object,
uuid(739d886a-cef5-47dc-8769-1a8b41bebbb0)
]
interface IDWriteFontFile : IUnknown
{
    HRESULT GetReferenceKey(
        void const **key,
        UINT32 *key_size);

    HRESULT GetLoader(IDWriteFontFileLoader **loader);

    HRESULT Analyze(
        BOOL *is_supported_fonttype,
        DWRITE_FONT_FILE_TYPE *file_type,
        DWRITE_FONT_FACE_TYPE *face_type,
        UINT32 *faces_num);
}

[
local,
object,
uuid(72755049-5ff7-435d-8348-4be97cfa6c7c)
]
interface IDWriteFontFileEnumerator : IUnknown
{
    HRESULT MoveNext(BOOL *has_current_file);
    HRESULT GetCurrentFontFile(IDWriteFontFile **font_file);
};

[
local,
object,
uuid(cca920e4-52f0-492b-bfa8-29c72ee0a468)
]
interface IDWriteFontCollectionLoader : IUnknown
{
    HRESULT CreateEnumeratorFromKey(
        IDWriteFactory* factory,
        void const* key,
        UINT32 key_size,
        IDWriteFontFileEnumerator **enumerator);
}

[
local,
object,
uuid(08256209-099a-4b34-b86d-c22b110e7771)
]
interface IDWriteLocalizedStrings : IUnknown
{
    UINT32 GetCount();

    HRESULT FindLocaleName(
        WCHAR const *locale_name,
        UINT32 *index,
        BOOL *exists);

    HRESULT GetLocaleNameLength(UINT32 index, UINT32 *length);
    HRESULT GetLocaleName(UINT32 index, WCHAR *locale_name, UINT32 size);
    HRESULT GetStringLength(UINT32 index, UINT32 *length);
    HRESULT GetString(UINT32 index, WCHAR *buffer, UINT32 size);
}

[
local,
object,
uuid(2f0da53a-2add-47cd-82ee-d9ec34688e75)
]
interface IDWriteRenderingParams : IUnknown
{
    FLOAT GetGamma();
    FLOAT GetEnhancedContrast();
    FLOAT GetClearTypeLevel();
    DWRITE_PIXEL_GEOMETRY GetPixelGeometry();
    DWRITE_RENDERING_MODE GetRenderingMode();
}

[
local,
object,
uuid(5f49804d-7024-4d43-bfa9-d25984f53849)
]
interface IDWriteFontFace : IUnknown
{
    DWRITE_FONT_FACE_TYPE GetType();
    HRESULT GetFiles(UINT32 *number_of_files, IDWriteFontFile **fontfiles);
    UINT32 GetIndex();
    DWRITE_FONT_SIMULATIONS GetSimulations();
    BOOL IsSymbolFont();
    void GetMetrics(DWRITE_FONT_METRICS *metrics);
    UINT16 GetGlyphCount();

    HRESULT GetDesignGlyphMetrics(
        UINT16 const *glyph_indices,
        UINT32 glyph_count,
        DWRITE_GLYPH_METRICS *metrics,
        [defaultvalue(FALSE)] BOOL is_sideways);

    HRESULT GetGlyphIndices(
        UINT32 const *codepoints,
        UINT32 count,
        UINT16 *glyph_indices);

    HRESULT TryGetFontTable(
        UINT32 table_tag,
        const void **table_data,
        UINT32 *table_size,
        void **context,
        BOOL *exists);

    void ReleaseFontTable(void *table_context);

    HRESULT GettGlyphRunOutline(
        FLOAT emSize,
        UINT16 const *glyph_indices,
        FLOAT const* glyph_advances,
        DWRITE_GLYPH_OFFSET const *glyph_offsets,
        UINT32 glyph_count,
        BOOL is_sideways,
        BOOL is_rtl,
        IDWriteGeometrySink *geometrysink);

    HRESULT GetRecommendedRenderingMode(
        FLOAT emSize,
        FLOAT pixels_per_dip,
        DWRITE_MEASURING_MODE mode,
        IDWriteRenderingParams* params,
        DWRITE_RENDERING_MODE* rendering_mode);

    HRESULT GetGdiCompatibleMetrics(
        FLOAT emSize,
        FLOAT pixels_per_dip,
        DWRITE_MATRIX const *transform,
        DWRITE_FONT_METRICS *metrics);

    HRESULT GetGdiCompatibleGlyphMetrics(
        FLOAT emSize,
        FLOAT pixels_per_dip,
        DWRITE_MATRIX const *transform,
        BOOL use_gdi_natural,
        UINT16 const *glyph_indices,
        UINT32 glyph_count,
        DWRITE_GLYPH_METRICS *metrics,
        [defaultvalue(FALSE)] BOOL is_sideways);
}

[
local,
object,
uuid(acd16696-8c14-4f5d-877e-fe3fc1d32737)
]
interface IDWriteFont : IUnknown
{
    HRESULT GetFontFamily(IDWriteFontFamily **family);
    DWRITE_FONT_WEIGHT GetWeight();
    DWRITE_FONT_STRETCH GetStretch();
    DWRITE_FONT_STYLE GetStyle();
    BOOL IsSymbolFont();

    HRESULT GetFaceNames(IDWriteLocalizedStrings **names);
    HRESULT GetInformationalStrings(
        DWRITE_INFORMATIONAL_STRING_ID stringid,
        IDWriteLocalizedStrings **strings,
        BOOL *exists);

    DWRITE_FONT_SIMULATIONS GetSimulations();
    void GetMetrics(DWRITE_FONT_METRICS *metrics);
    HRESULT HasCharacter(UINT32 value, BOOL *exists);
    HRESULT CreateFontFace(IDWriteFontFace **face);
}

[
local,
object,
uuid(1a0d8438-1d97-4ec1-aef9-a2fb86ed6acb)
]
interface IDWriteFontList : IUnknown
{
    HRESULT GetFontCollection(IDWriteFontCollection **collection);
    UINT32 GetFontCount();
    HRESULT GetFont(UINT32 index, IDWriteFont **font);
}

[
local,
object,
uuid(da20d8ef-812a-4c43-9802-62ec4abd7add)
]
interface IDWriteFontFamily : IDWriteFontList
{
    HRESULT GetFamilyNames(IDWriteLocalizedStrings **names);

    HRESULT GetFirstMatchingFont(
        DWRITE_FONT_WEIGHT weight,
        DWRITE_FONT_STRETCH stretch,
        DWRITE_FONT_STYLE style,
        IDWriteFont **font);

    HRESULT GetMatchingFonts(
        DWRITE_FONT_WEIGHT weight,
        DWRITE_FONT_STRETCH stretch,
        DWRITE_FONT_STYLE style,
        IDWriteFontList **fonts);
}

[
local,
object,
uuid(a84cee02-3eea-4eee-a827-87c1a02a0fcc)
]
interface IDWriteFontCollection : IUnknown
{
    UINT32 GetFontFamilyCount();
    HRESULT GetFontFamily(UINT32 index, IDWriteFontFamily **family);
    HRESULT FindFamilyName(WCHAR const *name, UINT32 *index, BOOL *exists);
    HRESULT GetFontFromFontFace(IDWriteFontFace *face, IDWriteFont **font);
}

[
local,
object,
uuid(eaf3a2da-ecf4-4d24-b644-b34f6842024b)
]
interface IDWritePixelSnapping : IUnknown
{
    HRESULT IsPixelSnappingDisabled(
        void *client_drawingcontext,
        BOOL *disabled);

    HRESULT GetCurrentTransform(
        void *client_drawingcontext,
        DWRITE_MATRIX *transform);

    HRESULT GetPixelsPerDip(
        void *client_drawingcontext,
        FLOAT *pixels_per_dip);
}

[
local,
object,
uuid(ef8a8135-5cc6-45fe-8825-c5a0724eb819)
]
interface IDWriteTextRenderer : IDWritePixelSnapping
{
    HRESULT DrawGlyphRun(
        void* client_drawingcontext,
        FLOAT baselineOriginX,
        FLOAT baselineOriginY,
        DWRITE_MEASURING_MODE mode,
        DWRITE_GLYPH_RUN const *glyph_run,
        DWRITE_GLYPH_RUN_DESCRIPTION const *run_descr,
        IUnknown *drawing_effect);

    HRESULT DrawUnderline(
        void *client_drawingcontext,
        FLOAT baselineOriginX,
        FLOAT baselineOriginY,
        DWRITE_UNDERLINE const* underline,
        IUnknown *drawing_effect);

    HRESULT DrawStrikethrough(
        void *client_drawingcontext,
        FLOAT baselineOriginX,
        FLOAT baselineOriginY,
        DWRITE_STRIKETHROUGH const* strikethrough,
        IUnknown *drawing_effect);

    HRESULT DrawInlineObject(
        void *client_drawingcontext,
        FLOAT originX,
        FLOAT originY,
        IDWriteInlineObject *object,
        BOOL is_sideways,
        BOOL is_rtl,
        IUnknown *drawing_effect);
}

[
local,
object,
uuid(8339fde3-106f-47ab-8373-1c6295eb10b3)
]
interface IDWriteInlineObject : IUnknown
{
    HRESULT Draw(
        void* client_drawingontext,
        IDWriteTextRenderer* renderer,
        FLOAT originX,
        FLOAT originY,
        BOOL is_sideways,
        BOOL is_rtl,
        IUnknown *drawing_effect);

    HRESULT GetMetrics(DWRITE_INLINE_OBJECT_METRICS *metrics);
    HRESULT GetOverhangMetrics(DWRITE_OVERHANG_METRICS *overhangs);
    HRESULT GetBreakConditions(
        DWRITE_BREAK_CONDITION* condition_before,
        DWRITE_BREAK_CONDITION* condition_after);
}

[
local,
object,
uuid(9c906818-31d7-4fd3-a151-7c5e225db55a)
]
interface IDWriteTextFormat : IUnknown
{
    HRESULT SetTextAlignment(DWRITE_TEXT_ALIGNMENT alignment);
    HRESULT SetParagraphAlignment(DWRITE_PARAGRAPH_ALIGNMENT alignment);
    HRESULT SetWordWrapping(DWRITE_WORD_WRAPPING wrapping);
    HRESULT SetReadingDirection(DWRITE_READING_DIRECTION direction);
    HRESULT SetFlowDirection(DWRITE_FLOW_DIRECTION direction);
    HRESULT SetIncrementalTabStop(FLOAT tabstop);
    HRESULT SetTrimming(DWRITE_TRIMMING const *trimming, IDWriteInlineObject *trimming_sign);
    HRESULT SetLineSpacing(DWRITE_LINE_SPACING_METHOD spacing, FLOAT line_spacing, FLOAT baseline);
    DWRITE_TEXT_ALIGNMENT GetTextAlignment();
    DWRITE_PARAGRAPH_ALIGNMENT GetParagraphAlignment();
    DWRITE_WORD_WRAPPING GetWordWrapping();
    DWRITE_READING_DIRECTION GetReadingDirection();
    DWRITE_FLOW_DIRECTION GetFlowDirection();
    FLOAT GetIncrementalTabStop();
    HRESULT GetTrimming(DWRITE_TRIMMING *options, IDWriteInlineObject **trimming_sign);

    HRESULT GetLineSpacing(
        DWRITE_LINE_SPACING_METHOD *method,
        FLOAT *spacing,
        FLOAT *baseline);

    HRESULT GetFontCollection(IDWriteFontCollection **collection);
    UINT32 GetFontFamilyNameLength();
    HRESULT GetFontFamilyName(WCHAR *name, UINT32 size);
    DWRITE_FONT_WEIGHT GetFontWeight();
    DWRITE_FONT_STYLE GetFontStyle();
    DWRITE_FONT_STRETCH GetFontStretch();
    FLOAT GetFontSize();
    UINT32 GetLocaleNameLength();
    HRESULT GetLocaleName(WCHAR *name, UINT32 size);
}

[
local,
object,
uuid(55f1112b-1dc2-4b3c-9541-f46894ed85b6)
]
interface IDWriteTypography : IUnknown
{
    HRESULT AddFontFeature(DWRITE_FONT_FEATURE feature);
    UINT32 GetFontFeatureCount();
    HRESULT GetFontFeature(UINT32 index, DWRITE_FONT_FEATURE *feature);
}

[
local,
object,
uuid(5e5a32a3-8dff-4773-9ff6-0696eab77267)
]
interface IDWriteBitmapRenderTarget : IUnknown
{
    HRESULT DrawGlyphRun(
        FLOAT baselineOriginX,
        FLOAT baselineOriginY,
        DWRITE_MEASURING_MODE measuring_mode,
        DWRITE_GLYPH_RUN const* glyph_run,
        IDWriteRenderingParams* params,
        COLORREF textColor,
        [defaultvalue(NULL)] RECT *blackbox_rect);

    HDC GetMemoryDC();
    FLOAT GetPixelsPerDip();
    HRESULT SetPixelsPerDip(FLOAT pixels_per_dip);
    HRESULT GetCurrentTransform(DWRITE_MATRIX *transform);
    HRESULT SetCurrentTransform(DWRITE_MATRIX const *transform);
    HRESULT GetSize(SIZE *size);
    HRESULT Resize(UINT32 width, UINT32 height);
}

cpp_quote("#ifndef _WINGDI_")
/* already defined in wingdi.h but needed for WIDL */
#define LF_FACESIZE     32

    typedef struct tagLOGFONTW
    {
        LONG   lfHeight;
        LONG   lfWidth;
        LONG   lfEscapement;
        LONG   lfOrientation;
        LONG   lfWeight;
        BYTE   lfItalic;
        BYTE   lfUnderline;
        BYTE   lfStrikeOut;
        BYTE   lfCharSet;
        BYTE   lfOutPrecision;
        BYTE   lfClipPrecision;
        BYTE   lfQuality;
        BYTE   lfPitchAndFamily;
        WCHAR  lfFaceName[LF_FACESIZE];
    } LOGFONTW, *PLOGFONTW, *LPLOGFONTW;
cpp_quote("#endif /* _WINGDI_ */")

[
local,
object,
uuid(1edd9491-9853-4299-898f-6432983b6f3a)
]
interface IDWriteGdiInterop : IUnknown
{
    HRESULT CreateFontFromLOGFONT(LOGFONTW const *logfont, IDWriteFont **font);
    HRESULT ConvertFontToLOGFONT(
        IDWriteFont* font,
        LOGFONTW* logfont,
        BOOL *is_systemfont);

    HRESULT ConvertFontFaceToLOGFONT(IDWriteFontFace* font, LOGFONTW* logfont);
    HRESULT CreateFontFaceFromHdc(HDC hdc, IDWriteFontFace **fontface);
    HRESULT CreateBitmapRenderTarget(HDC hdc, UINT32 width, UINT32 height, IDWriteBitmapRenderTarget **target);
}

[
local,
object,
uuid(53737037-6d14-410b-9bfe-0b182bb70961)
]
interface IDWriteTextLayout : IDWriteTextFormat
{
    HRESULT SetMaxWidth(FLOAT maxWidth);
    HRESULT SetMaxHeight(FLOAT maxHeight);
    HRESULT SetFontCollection(IDWriteFontCollection* collection, DWRITE_TEXT_RANGE range);
    HRESULT SetFontFamilyName(WCHAR const *name, DWRITE_TEXT_RANGE range);
    HRESULT SetFontWeight(DWRITE_FONT_WEIGHT weight, DWRITE_TEXT_RANGE range);
    HRESULT SetFontStyle(DWRITE_FONT_STYLE style, DWRITE_TEXT_RANGE range);
    HRESULT SetFontStretch(DWRITE_FONT_STRETCH stretch, DWRITE_TEXT_RANGE range);
    HRESULT SetFontSize(FLOAT size, DWRITE_TEXT_RANGE range);
    HRESULT SetUnderline(BOOL underline, DWRITE_TEXT_RANGE range);
    HRESULT SetStrikethrough(BOOL strikethrough, DWRITE_TEXT_RANGE range);
    HRESULT SetDrawingEffect(IUnknown* effect, DWRITE_TEXT_RANGE range);
    HRESULT SetInlineObject(IDWriteInlineObject *object, DWRITE_TEXT_RANGE range);
    HRESULT SetTypography(IDWriteTypography* typography, DWRITE_TEXT_RANGE range);
    HRESULT SetLocaleName(WCHAR const* locale, DWRITE_TEXT_RANGE range);

    FLOAT GetMaxWidth();
    FLOAT GetMaxHeight();
    HRESULT GetFontCollection(
        UINT32 pos,
        IDWriteFontCollection** collection,
        [defaultvalue(NULL)] DWRITE_TEXT_RANGE *range);

    HRESULT GetFontFamilyNameLength(
        UINT32 pos,
        UINT32* len,
        [defaultvalue(NULL)] DWRITE_TEXT_RANGE *range);

    HRESULT GetFontFamilyName(
        UINT32 position,
        WCHAR* name,
        UINT32 name_size,
        [defaultvalue(NULL)] DWRITE_TEXT_RANGE *range);

    HRESULT GetFontWeight(
        UINT32 position,
        DWRITE_FONT_WEIGHT *weight,
        [defaultvalue(NULL)] DWRITE_TEXT_RANGE *range);

    HRESULT GetFontStyle(
        UINT32 currentPosition,
        DWRITE_FONT_STYLE *style,
        [defaultvalue(NULL)] DWRITE_TEXT_RANGE *range);

    HRESULT GetFontStretch(
        UINT32 position,
        DWRITE_FONT_STRETCH *stretch,
        [defaultvalue(NULL)] DWRITE_TEXT_RANGE *range);

    HRESULT GetFontSize(
        UINT32 position,
        FLOAT *size,
        [defaultvalue(NULL)] DWRITE_TEXT_RANGE *range);

    HRESULT GetUnderline(
        UINT32 position,
        BOOL *has_underline,
        [defaultvalue(NULL)] DWRITE_TEXT_RANGE *range);

    HRESULT GetStrikethrough(
        UINT32 position,
        BOOL *has_strikethrough,
        [defaultvalue(NULL)] DWRITE_TEXT_RANGE *range);

    HRESULT GetDrawingEffect(
        UINT32 position,
        IUnknown **effect,
        [defaultvalue(NULL)] DWRITE_TEXT_RANGE *range);

    HRESULT GetInlineObject(
        UINT32 position,
        IDWriteInlineObject **object,
        [defaultvalue(NULL)] DWRITE_TEXT_RANGE *range);

    HRESULT GetTypography(
        UINT32 position,
        IDWriteTypography** typography,
        [defaultvalue(NULL)] DWRITE_TEXT_RANGE *range);

    HRESULT GetLocaleNameLength(
        UINT32 position,
        UINT32* length,
        [defaultvalue(NULL)] DWRITE_TEXT_RANGE *range);

    HRESULT GetLocaleName(
        UINT32 position,
        WCHAR* name,
        UINT32 name_size,
        [defaultvalue(NULL)] DWRITE_TEXT_RANGE *range);

    HRESULT Draw(
        void *context,
        IDWriteTextRenderer* renderer,
        FLOAT originX,
        FLOAT originY);

    HRESULT GetLineMetrics(
        DWRITE_LINE_METRICS *metrics,
        UINT32 max_count,
        UINT32 *actual_count);

    HRESULT GetMetrics(DWRITE_TEXT_METRICS *metrics);
    HRESULT GetOverhangMetrics(DWRITE_OVERHANG_METRICS *overhangs);
    HRESULT GetClusterMetrics(
        DWRITE_CLUSTER_METRICS *metrics,
        UINT32 max_count,
        UINT32* act_count);

    HRESULT DetermineMinWidth(FLOAT* min_width);
    HRESULT HitTestPoint(
        FLOAT pointX,
        FLOAT pointY,
        BOOL* is_trailinghit,
        BOOL* is_inside,
        DWRITE_HIT_TEST_METRICS *metrics);

    HRESULT HitTestTextPosition(
        UINT32 textPosition,
        BOOL is_trailinghit,
        FLOAT* pointX,
        FLOAT* pointY,
        DWRITE_HIT_TEST_METRICS *metrics);

    HRESULT HitTestTextRange(
        UINT32 textPosition,
        UINT32 textLength,
        FLOAT originX,
        FLOAT originY,
        DWRITE_HIT_TEST_METRICS *metrics,
        UINT32 max_metricscount,
        UINT32* actual_metricscount);
}

[
local,
object,
uuid(14885cc9-bab0-4f90-b6ed-5c366a2cd03d)
]
interface IDWriteNumberSubstitution : IUnknown
{
}

[
local,
object,
uuid(688e1a58-5094-47c8-adc8-fbcea60ae92b)
]
interface IDWriteTextAnalysisSource : IUnknown
{
    HRESULT GetTextAtPosition(
        UINT32 position,
        WCHAR const** text,
        UINT32* text_len);

    HRESULT GetTextBeforePosition(
        UINT32 position,
        WCHAR const** text,
        UINT32* text_len);

    DWRITE_READING_DIRECTION GetParagraphReadingDirection();
    HRESULT GetLocaleName(
        UINT32 position,
        UINT32* text_len,
        WCHAR const** locale);

    HRESULT GetNumberSubstitution(
        UINT32 position,
        UINT32* text_len,
        IDWriteNumberSubstitution **substitution);
}

[
local,
object,
uuid(5810cd44-0ca0-4701-b3fa-bec5182ae4f6)
]
interface IDWriteTextAnalysisSink : IUnknown
{
    HRESULT SetScriptAnalysis(
        UINT32 position,
        UINT32 length,
        DWRITE_SCRIPT_ANALYSIS const* scriptanalysis);

    HRESULT SetLineBreakpoints(
        UINT32 position,
        UINT32 length,
        DWRITE_LINE_BREAKPOINT const* breakpoints);

    HRESULT SetBidiLevel(
        UINT32 position,
        UINT32 length,
        UINT8 explicitLevel,
        UINT8 resolvedLevel);

    HRESULT SetNumberSubstitution(
        UINT32 position,
        UINT32 length,
        IDWriteNumberSubstitution* substitution);
}

[
local,
object,
uuid(b7e6163e-7f46-43b4-84b3-e4e6249c365d)
]
interface IDWriteTextAnalyzer : IUnknown
{
    HRESULT AnalyzeScript(
        IDWriteTextAnalysisSource* source,
        UINT32 position,
        UINT32 length,
        IDWriteTextAnalysisSink* sink);

    HRESULT AnalyzeBidi(
        IDWriteTextAnalysisSource* source,
        UINT32 position,
        UINT32 length,
        IDWriteTextAnalysisSink* sink);

    HRESULT AnalyzeNumberSubstitution(
        IDWriteTextAnalysisSource* source,
        UINT32 position,
        UINT32 length,
        IDWriteTextAnalysisSink* sink);

    HRESULT AnalyzeLineBreakpoints(
        IDWriteTextAnalysisSource* source,
        UINT32 position,
        UINT32 length,
        IDWriteTextAnalysisSink* sink);

    HRESULT GetGlyphs(
        WCHAR const* text,
        UINT32 length,
        IDWriteFontFace* font_face,
        BOOL is_sideways,
        BOOL is_rtl,
        DWRITE_SCRIPT_ANALYSIS const* analysis,
        WCHAR const* locale,
        IDWriteNumberSubstitution* substitution,
        DWRITE_TYPOGRAPHIC_FEATURES const** features,
        UINT32 const* feature_range_len,
        UINT32 feature_ranges,
        UINT32 max_glyph_count,
        UINT16* clustermap,
        DWRITE_SHAPING_TEXT_PROPERTIES* text_props,
        UINT16* glyph_indices,
        DWRITE_SHAPING_GLYPH_PROPERTIES* glyph_props,
        UINT32* actual_glyph_count);

    HRESULT GetGlyphPlacements(
        WCHAR const* text,
        UINT16 const* clustermap,
        DWRITE_SHAPING_TEXT_PROPERTIES* props,
        UINT32 text_len,
        UINT16 const* glyph_indices,
        DWRITE_SHAPING_GLYPH_PROPERTIES const* glyph_props,
        UINT32 glyph_count,
        IDWriteFontFace * font_face,
        FLOAT fontEmSize,
        BOOL is_sideways,
        BOOL is_rtl,
        DWRITE_SCRIPT_ANALYSIS const* analysis,
        WCHAR const* locale,
        DWRITE_TYPOGRAPHIC_FEATURES const** features,
        UINT32 const* feature_range_len,
        UINT32 feature_ranges,
        FLOAT* glyph_advances,
        DWRITE_GLYPH_OFFSET* glyph_offsets);

    HRESULT GetGdiCompatibleGlyphPlacements(
        WCHAR const* text,
        UINT16 const* clustermap,
        DWRITE_SHAPING_TEXT_PROPERTIES* props,
        UINT32 text_len,
        UINT16 const* glyph_indices,
        DWRITE_SHAPING_GLYPH_PROPERTIES const* glyph_props,
        UINT32 glyph_count,
        IDWriteFontFace * font_face,
        FLOAT fontEmSize,
        FLOAT pixels_per_dip,
        DWRITE_MATRIX const* transform,
        BOOL use_gdi_natural,
        BOOL is_sideways,
        BOOL is_rtl,
        DWRITE_SCRIPT_ANALYSIS const* analysis,
        WCHAR const* locale,
        DWRITE_TYPOGRAPHIC_FEATURES const** features,
        UINT32 const* feature_range_lengths,
        UINT32 feature_ranges,
        FLOAT* glyph_advances,
        DWRITE_GLYPH_OFFSET* glyph_offsets);
}

[
local,
object,
uuid(7d97dbf7-e085-42d4-81e3-6a883bded118)
]
interface IDWriteGlyphRunAnalysis : IUnknown
{
    HRESULT GetAlphaTextureBounds(DWRITE_TEXTURE_TYPE type, RECT* bounds);
    HRESULT CreateAlphaTexture(DWRITE_TEXTURE_TYPE type, RECT const* bounds, BYTE* alphaValues, UINT32 bufferSize);
    HRESULT GetAlphaBlendParams(
        IDWriteRenderingParams* renderingParams,
        FLOAT* blendGamma,
        FLOAT* blendEnhancedContrast,
        FLOAT* blendClearTypeLevel);
}

[
local,
object,
uuid(b859ee5a-d838-4b5b-a2e8-1adc7d93db48)
]
interface IDWriteFactory : IUnknown
{
    HRESULT GetSystemFontCollection(IDWriteFontCollection **collection,
                                    [defaultvalue(FALSE)] BOOL check_for_updates);

    HRESULT CreateCustomFontCollection(
        IDWriteFontCollectionLoader *loader,
        void const *key,
        UINT32 key_size,
        IDWriteFontCollection **collection);

    HRESULT RegisterFontCollectionLoader(IDWriteFontCollectionLoader *loader);

    HRESULT UnregisterFontCollectionLoader(IDWriteFontCollectionLoader *loader);

    HRESULT CreateFontFileReference(
        WCHAR const *path,
        FILETIME const *writetime,
        IDWriteFontFile **font_file);

    HRESULT CreateCustomFontFileReference(
        void const *reference_key,
        UINT32 key_size,
        IDWriteFontFileLoader *loader,
        IDWriteFontFile **font_file);

    HRESULT CreateFontFace(
        DWRITE_FONT_FACE_TYPE facetype,
        UINT32 files_number,
        IDWriteFontFile* const* font_files,
        UINT32 index,
        DWRITE_FONT_SIMULATIONS sim_flags,
        IDWriteFontFace **font_face);

    HRESULT CreateRenderingParams(IDWriteRenderingParams **params);

    HRESULT CreateMonitorRenderingParams(
        HMONITOR monitor,
        IDWriteRenderingParams **params);

    HRESULT CreateCustomRenderingParams(
        FLOAT gamma,
        FLOAT enhancedContrast,
        FLOAT cleartype_level,
        DWRITE_PIXEL_GEOMETRY geometry,
        DWRITE_RENDERING_MODE mode,
        IDWriteRenderingParams **params);

    HRESULT RegisterFontFileLoader(IDWriteFontFileLoader *loader);

    HRESULT UnregisterFontFileLoader(IDWriteFontFileLoader *loader);

    HRESULT CreateTextFormat(
        WCHAR const* family_name,
        IDWriteFontCollection *collection,
        DWRITE_FONT_WEIGHT weight,
        DWRITE_FONT_STYLE style,
        DWRITE_FONT_STRETCH stretch,
        FLOAT size,
        WCHAR const *locale,
        IDWriteTextFormat **format);

    HRESULT CreateTypography(IDWriteTypography **typography);

    HRESULT GetGdiInterop(IDWriteGdiInterop **gdi_interop);

    HRESULT CreateTextLayout(
        WCHAR const* string,
        UINT32 len,
        IDWriteTextFormat *format,
        FLOAT max_width,
        FLOAT max_height,
        IDWriteTextLayout **layout);

    HRESULT CreateGdiCompatibleTextLayout(
        WCHAR const* string,
        UINT32 len,
        IDWriteTextFormat *format,
        FLOAT layout_width,
        FLOAT layout_height,
        FLOAT pixels_per_dip,
        DWRITE_MATRIX const* transform,
        BOOL use_gdi_natural,
        IDWriteTextLayout **layout);

    HRESULT CreateEllipsisTrimmingSign(
        IDWriteTextFormat *format,
        IDWriteInlineObject **trimming_sign);

    HRESULT CreateTextAnalyzer(IDWriteTextAnalyzer **analyzer);

    HRESULT CreateNumberSubstitution(
        DWRITE_NUMBER_SUBSTITUTION_METHOD method,
        WCHAR const* locale,
        BOOL ignore_user_override,
        IDWriteNumberSubstitution **substitution);

    HRESULT CreateGlyphRunAnalysis(
        DWRITE_GLYPH_RUN const *glyph_run,
        FLOAT pixels_per_dip,
        DWRITE_MATRIX const* transform,
        DWRITE_RENDERING_MODE rendering_mode,
        DWRITE_MEASURING_MODE measuring_mode,
        FLOAT baseline_x,
        FLOAT baseline_y,
        IDWriteGlyphRunAnalysis **analysis);
}

cpp_quote("HRESULT WINAPI DWriteCreateFactory(DWRITE_FACTORY_TYPE,REFIID,IUnknown**);")

/* error codes */
cpp_quote("#define FACILITY_DWRITE 0x898")
cpp_quote("#define DWRITE_ERR_BASE 0x5000")
cpp_quote("#define MAKE_DWRITE_HR(severity, code) MAKE_HRESULT(severity, FACILITY_DWRITE, (DWRITE_ERR_BASE + code))")
cpp_quote("#define MAKE_DWRITE_HR_ERR(code) MAKE_DWRITE_HR(SEVERITY_ERROR, code)")

cpp_quote("#define DWRITE_E_FILEFORMAT              MAKE_DWRITE_HR_ERR(0x0)")
cpp_quote("#define DWRITE_E_UNEXPECTED              MAKE_DWRITE_HR_ERR(0x1)")
cpp_quote("#define DWRITE_E_NOFONT                  MAKE_DWRITE_HR_ERR(0x2)")
cpp_quote("#define DWRITE_E_FILENOTFOUND            MAKE_DWRITE_HR_ERR(0x3)")
cpp_quote("#define DWRITE_E_FILEACCESS              MAKE_DWRITE_HR_ERR(0x4)")
cpp_quote("#define DWRITE_E_FONTCOLLECTIONOBSOLETE  MAKE_DWRITE_HR_ERR(0x5)")
cpp_quote("#define DWRITE_E_ALREADYREGISTERED       MAKE_DWRITE_HR_ERR(0x6)")