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DirectWrite defines the following enumerations.
In this section
| Topic | Description |
|---|---|
| DWRITE_AUTOMATIC_FONT_AXES | Defines constants that specify certain axes that can be applied automatically in layout during font selection. |
| DWRITE_BASELINE | The DWRITE_BASELINE enumeration contains values that specify the baseline for text alignment. |
| DWRITE_BREAK_CONDITION | Indicates the condition at the edges of inline object or text used to determine line-breaking behavior. |
| DWRITE_CONTAINER_TYPE | Specifies the container format of a font resource. A container format is distinct from a font file format (DWRITE_FONT_FILE_TYPE) because the container describes the container in which the underlying font file is packaged. |
| DWRITE_FACTORY_TYPE | Specifies the type of DirectWrite factory object. |
| DWRITE_FACTORY_TYPE (DWriteCore) | Specifies the type of DirectWrite factory object. |
| DWRITE_FLOW_DIRECTION | Indicates the direction of how lines of text are placed relative to one another. |
| DWRITE_FONT_AXIS_ATTRIBUTES | Defines constants that specify attributes for a font axis. |
| DWRITE_FONT_AXIS_TAG | Defines constants that specify a four-character identifier for a font axis. |
| DWRITE_FONT_FACE_TYPE | Indicates the file format of a complete font face. |
| DWRITE_FONT_FAMILY_MODEL | Defines constants that specify how font families are grouped together. |
| DWRITE_FONT_FEATURE_TAG | A value that indicates the typographic feature of text supplied by the font. |
| DWRITE_FONT_FILE_TYPE | The type of a font represented by a single font file. Font formats that consist of multiple files, for example Type 1 .PFM and .PFB, have separate enum values for each of the file types. |
| DWRITE_FONT_LINE_GAP_USAGE | Specify whether DWRITE_FONT_METRICS::lineGap value should be part of the line metrics |
| DWRITE_FONT_PROPERTY_ID | Identifies a string in a font. |
| DWRITE_FONT_SIMULATIONS | Specifies algorithmic style simulations to be applied to the font face. Bold and oblique simulations can be combined via bitwise OR operation. |
| DWRITE_FONT_SOURCE_TYPE | Defines constants that specify the mechanism by which a font came to be included in a font set. |
| DWRITE_FONT_STRETCH | Represents the degree to which a font has been stretched compared to a font's normal aspect ratio. |
| DWRITE_FONT_STYLE | Represents the style of a font face as normal, italic, or oblique. |
| DWRITE_FONT_WEIGHT | Represents the density of a typeface, in terms of the lightness or heaviness of the strokes. |
| DWRITE_GLYPH_IMAGE_FORMATS | Specifies which formats are supported in the font, either at a font-wide level or per glyph. |
| DWRITE_GLYPH_ORIENTATION_ANGLE | The DWRITE_GLYPH_ORIENTATION_ANGLE enumeration contains values that specify how the glyph is oriented to the x-axis. |
| DWRITE_GRID_FIT_MODE | Specifies whether to enable grid-fitting of glyph outlines (also known as hinting). |
| DWRITE_INFORMATIONAL_STRING_ID | The informational string enumeration which identifies a string embedded in a font file. |
| DWRITE_LINE_SPACING_METHOD | The method used for line spacing in a text layout. |
| DWRITE_LOCALITY | Specifies the location of a resource. |
| DWRITE_MEASURING_MODE | Indicates the measuring method used for text layout. |
| DWRITE_NUMBER_SUBSTITUTION_METHOD | Specifies how to apply number substitution on digits and related punctuation. |
| DWRITE_OPTICAL_ALIGNMENT | The optical margin alignment mode. |
| DWRITE_OUTLINE_THRESHOLD | The DWRITE_OUTLINE_THRESHOLD enumeration contains values that specify the policy used by the IDWriteFontFace1::GetRecommendedRenderingMode method to determine whether to render glyphs in outline mode. |
| DWRITE_PANOSE_ARM_STYLE | The DWRITE_PANOSE_ARM_STYLE enumeration contains values that specify the style of termination of stems and rounded letterforms for text. |
| DWRITE_PANOSE_ASPECT | The DWRITE_PANOSE_ASPECT enumeration contains values that specify the ratio between the width and height of the character face. |
| DWRITE_PANOSE_ASPECT_RATIO | The DWRITE_PANOSE_ASPECT_RATIO enumeration contains values that specify info about the ratio between width and height of the character face. |
| DWRITE_PANOSE_CHARACTER_RANGES | The DWRITE_PANOSE_CHARACTER_RANGES enumeration contains values that specify the type of characters available in the font. |
| DWRITE_PANOSE_CONTRAST | The DWRITE_PANOSE_CONTRAST enumeration contains values that specify the ratio between thickest and thinnest point of the stroke for a letter such as uppercase 'O'. |
| DWRITE_PANOSE_DECORATIVE_CLASS | The DWRITE_PANOSE_DECORATIVE_CLASS enumeration contains values that specify the general look of the character face. |
| DWRITE_PANOSE_DECORATIVE_TOPOLOGY | The DWRITE_PANOSE_DECORATIVE_TOPOLOGY enumeration contains values that specify the overall shape characteristics of the font. |
| DWRITE_PANOSE_FAMILY | The DWRITE_PANOSE_FAMILY enumeration contains values that specify the kind of typeface classification. |
| DWRITE_PANOSE_FILL | The DWRITE_PANOSE_FILL enumeration contains values that specify the type of fill and line treatment. |
| DWRITE_PANOSE_FINIALS | The DWRITE_PANOSE_FINIALS enumeration contains values that specify how character ends and miniscule ascenders are treated. |
| DWRITE_PANOSE_LETTERFORM | The DWRITE_PANOSE_LETTERFORM enumeration contains values that specify the roundness of letterform for text. |
| DWRITE_PANOSE_LINING | The DWRITE_PANOSE_LINING enumeration contains values that specify the handling of the outline for the decorative typeface. |
| DWRITE_PANOSE_MIDLINE | The DWRITE_PANOSE_MIDLINE enumeration contains values that specify info about the placement of midline across uppercase characters and the treatment of diagonal stem apexes. |
| DWRITE_PANOSE_PROPORTION | The DWRITE_PANOSE_PROPORTION enumeration contains values that specify the proportion of the glyph shape by considering additional detail to standard characters. |
| DWRITE_PANOSE_SCRIPT_FORM | The DWRITE_PANOSE_SCRIPT_FORM enumeration contains values that specify the general look of the character face, with consideration of its slope and tails. |
| DWRITE_PANOSE_SCRIPT_TOPOLOGY | The DWRITE_PANOSE_SCRIPT_TOPOLOGY enumeration contains values that specify the topology of letterforms. |
| DWRITE_PANOSE_SERIF_STYLE | The DWRITE_PANOSE_SERIF_STYLE enumeration contains values that specify the appearance of the serif text. |
| DWRITE_PANOSE_SPACING | The DWRITE_PANOSE_SPACING enumeration contains values that specify character spacing (monospace versus proportional). |
| DWRITE_PANOSE_STROKE_VARIATION | The DWRITE_PANOSE_STROKE_VARIATION enumeration contains values that specify the relationship between thin and thick stems of text characters. |
| DWRITE_PANOSE_SYMBOL_ASPECT_RATIO | The DWRITE_PANOSE_SYMBOL_ASPECT_RATIO enumeration contains values that specify the aspect ratio of symbolic characters. |
| DWRITE_PANOSE_SYMBOL_KIND | The DWRITE_PANOSE_SYMBOL_KIND enumeration contains values that specify the kind of symbol set. |
| DWRITE_PANOSE_TOOL_KIND | The DWRITE_PANOSE_TOOL_KIND enumeration contains values that specify the kind of tool that is used to create character forms. |
| DWRITE_PANOSE_WEIGHT | The DWRITE_PANOSE_WEIGHT enumeration contains values that specify the weight of characters. |
| DWRITE_PANOSE_XASCENT | The DWRITE_PANOSE_XASCENT enumeration contains values that specify the relative size of the lowercase letters. |
| DWRITE_PANOSE_XHEIGHT | The DWRITE_PANOSE_XHEIGHT enumeration contains values that specify info about the relative size of lowercase letters and the treatment of diacritic marks (xheight). |
| DWRITE_PARAGRAPH_ALIGNMENT | Specifies the alignment of paragraph text along the flow direction axis, relative to the top and bottom of the flow's layout box. |
| DWRITE_PIXEL_GEOMETRY | Represents the internal structure of a device pixel (that is, the physical arrangement of red, green, and blue color components) that is assumed for purposes of rendering text. |
| DWRITE_READING_DIRECTION | Specifies the direction in which reading progresses. Note: DWRITE_READING_DIRECTION_TOP_TO_BOTTOM and DWRITE_READING_DIRECTION_BOTTOM_TO_TOP are available in Windows 8.1 and later, only. |
| DWRITE_RENDERING_MODE enumerations | Starting in Windows 8, the DWRITE_RENDERING_MODE enumeration added new enumeration values and deprecated others. |
| DWRITE_RENDERING_MODE1 | Specifies how glyphs are rendered. |
| DWRITE_SCRIPT_SHAPES | Indicates additional shaping requirements for text. |
| DWRITE_TEXT_ALIGNMENT | Specifies the alignment of paragraph text along the reading direction axis, relative to the leading and trailing edge of the layout box. |
| DWRITE_TEXT_ANTIALIAS_MODE | The DWRITE_TEXT_ANTIALIAS_MODE enumeration contains values that specify the type of antialiasing to use for text when the rendering mode calls for antialiasing. |
| DWRITE_TEXTURE_TYPE | Identifies a type of alpha texture. |
| DWRITE_TRIMMING_GRANULARITY | Specifies the text granularity used to trim text overflowing the layout box. |
| DWRITE_VERTICAL_GLYPH_ORIENTATION | The DWRITE_VERTICAL_GLYPH_ORIENTATION enumeration contains values that specify the desired kind of glyph orientation for the text. |
| DWRITE_WORD_WRAPPING | Specifies the word wrapping to be used in a particular multiline paragraph. Note: DWRITE_WORD_WRAPPING_EMERGENCY_BREAK, DWRITE_WORD_WRAPPING_WHOLE _WORD, and DWRITE_WORD_WRAPPING_CHARACTER are available in Windows 8.1 and later, only. |