HarfBuzzSharp

Represents a blob of data in memory.

The data to wrap. The length of the data being wrapped. The memory mode to use.

Initializes a new instance of the class, wrapping the specified data.

If there was a problem creating the blob, or if the data length was zero, then an empty blob will be created. The data to wrap. The length of the data being wrapped. The memory mode to use. The delegate to invoke when the data is not needed anymore.

Initializes a new instance of the class, wrapping the specified data.

If there was a problem creating the blob, or if the data length was zero, then an empty blob will be created. The data to wrap. The length of the data being wrapped. The memory mode to use. The user data to pass to the release delegate. The delegate to invoke when the data is not needed anymore.

Initializes a new instance of the class, wrapping the specified data.

If there was a problem creating the blob, or if the data length was zero, then an empty blob will be created.

Returns a span that wraps the data.

Returns the span that wraps the data. If the data is released, then the span becomes invalid.

Returns a stream that wraps the data.

Returns the stream that wraps the data. If the data is released, then the stream becomes invalid. to release both managed and unmanaged resources; to release only unmanaged resources.

Releases the unmanaged resources used by the and optionally releases the managed resources.

Always dispose the object before you release your last reference to the . Otherwise, the resources it is using will not be freed until the garbage collector calls the finalizer.

Releases the unmanaged resources used.

Gets a reference to the empty instance.

The empty instance.

Gets the number of faces in this blob.

The number of faces in this blob. The path to the file to load.

Creates a new instance from the contents of the file.

Returns the new instance. The stream to use.

Creates a new instance from the contents of the stream.

Returns the new instance.

Gets a value indicating whether the blob is immutable.

if the blob is immutable; otherwise, .

Gets the length of blob data in bytes.

The length of blob data in bytes.

Makes the blob immutable.

The user data passed to .

The delegate that will be invoked when a blob is ready to be discarded.

Represents a text buffer in memory.

Initializes a new instance of the class with default values.

The Unicode code point. The cluster value of the code point.

Appends a character with the Unicode value and gives it the initial cluster value.

This function does not check the validity of the codepoint. The Unicode code point. The cluster value of the code point.

Appends a character with the Unicode value and gives it the initial cluster value.

This function does not check the validity of the codepoint. The span of Unicode code points to append.

Appends characters from the span to the buffer.

This function does not check the validity of the characters. The span of Unicode code points to append.

Appends characters from the span to the buffer.

This function does not check the validity of the characters. A pointer to an array of Unicode code points. The number of code points in the array.

Appends characters from the pointer to the buffer.

This function does not check the validity of the characters. The span of Unicode code points to append. The offset of the first code point to add to the buffer. The number of code points to add to the buffer, or -1 for the end of the text.

Appends characters from the span to the buffer.

This function does not check the validity of the characters. The span of Unicode code points to append. The offset of the first code point to add to the buffer. The number of code points to add to the buffer, or -1 for the end of the text.

Appends characters from the span to the buffer.

This function does not check the validity of the characters. A pointer to an array of Unicode code points. The number of code points in the array. The offset of the first code point to add to the buffer. The number of code points to add to the buffer, or -1 for the end of the text.

Appends characters from the pointer to the buffer.

This function does not check the validity of the characters. The span of UTF-16 encoded bytes to append.

Appends UTF-16 encoded text to the buffer.

The span of UTF-16 characters to append.

Appends UTF-16 encoded text to the buffer.

The UTF-16 string to append.

Appends UTF-16 encoded text to the buffer.

A pointer to UTF-16 encoded text. The length of the text in UTF-16 code units.

Appends UTF-16 encoded text to the buffer.

The span of UTF-16 characters to append. The offset of the first character to add to the buffer. The number of characters to add to the buffer, or -1 for the end of the text.

Appends a range of UTF-16 encoded text to the buffer.

The UTF-16 string to append. The offset of the first character to add to the buffer. The number of characters to add to the buffer, or -1 for the end of the text.

Appends a range of UTF-16 encoded text to the buffer.

A pointer to UTF-16 encoded text. The length of the text in UTF-16 code units. The offset of the first character to add to the buffer. The number of characters to add to the buffer, or -1 for the end of the text.

Appends a range of UTF-16 encoded text to the buffer.

The span of UTF-32 encoded bytes to append.

Appends UTF-32 encoded text to the buffer.

The span of UTF-32 code points to append.

Appends UTF-32 encoded text to the buffer.

The span of UTF-32 code points to append.

Appends UTF-32 encoded text to the buffer.

The string to append as UTF-32 encoded text.

Appends the string as UTF-32 encoded text to the buffer.

A pointer to UTF-32 encoded text. The length of the text in UTF-32 code units.

Appends UTF-32 encoded text to the buffer.

The span of UTF-32 code points to append. The offset of the first code point to add to the buffer. The number of code points to add to the buffer, or -1 for the end of the text.

Appends a range of UTF-32 encoded text to the buffer.

The span of UTF-32 code points to append. The offset of the first code point to add to the buffer. The number of code points to add to the buffer, or -1 for the end of the text.

Appends a range of UTF-32 encoded text to the buffer.

A pointer to UTF-32 encoded text. The length of the text in UTF-32 code units. The offset of the first code point to add to the buffer. The number of code points to add to the buffer, or -1 for the end of the text.

Appends a range of UTF-32 encoded text to the buffer.

The array of UTF-8 character bytes to append.

Appends the specified text bytes to the buffer.

The span of UTF-8 encoded bytes to append.

Appends UTF-8 encoded text to the buffer.

The array of UTF-8 characters to append.

Appends the specified text to the buffer.

A pointer to UTF-8 encoded text. The length of the text in bytes.

Appends UTF-8 encoded text to the buffer.

The span of UTF-8 encoded bytes to append. The offset of the first byte to add to the buffer. The number of bytes to add to the buffer, or -1 for the end of the text.

Appends a range of UTF-8 encoded text to the buffer.

A pointer to UTF-8 encoded text. The length of the text in bytes. The offset of the first byte to add to the buffer. The number of bytes to add to the buffer, or -1 for the end of the text.

Appends a range of UTF-8 encoded text to the buffer.

The buffer to append.

Appends the contents of another buffer to this buffer.

The buffer to append from. The start index of the range to append. The end index of the range to append.

Appends a range from another buffer to this buffer.

Clears the buffer's contents.

This operation preserves the Unicode functions and replacement code point.

Gets or sets the cluster level of the buffer.

The cluster level. The cluster level dictates how HarfBuzz will treat non-base characters during shaping.

Gets or sets the type of content in the buffer.

The content type. Buffers can contain either Unicode characters (before shaping) or glyphs (after shaping).

The default replacement code point (U+FFFD) used for invalid characters.

The serialized glyph data.

Deserializes glyphs from a string and populates the buffer.

The serialized glyph data. The font to use for resolving glyph names, or .

Deserializes glyphs from a string and populates the buffer using the specified font.

The serialized glyph data. The font to use for resolving glyph names, or . The serialization format of the data.

Deserializes glyphs from a string and populates the buffer using the specified font and format.

Gets or sets the text flow direction of the buffer.

One of the enumeration values that specifies the text flow direction. No shaping can happen without setting the direction, or invoking . to release both managed and unmanaged resources; to release only unmanaged resources.

Releases the unmanaged resources used by the and optionally releases the managed resources.

Always dispose the object before you release your last reference to the . Otherwise, the resources it is using will not be freed until the garbage collector calls the finalizer.

Releases the unmanaged resources used.

Gets or sets the buffer flags that control shaping behavior.

The buffer flags.

Gets a span over the glyph information array.

A read-only span of glyph information. The span is valid as long as buffer contents are not modified.

Gets a span over the glyph position array.

A read-only span of glyph positions. The span is valid as long as buffer contents are not modified.

Gets the buffer glyph information array.

An array of values. The information is valid as long as buffer contents are not modified.

Gets the buffer glyph position array.

An array of values. The positions are valid as long as buffer contents are not modified.

Sets the unset buffer segment properties based on the buffer's Unicode contents.

Gets or sets the glyph ID used for invisible characters.

The glyph ID for invisible characters, or 0 to use the default behavior. This glyph is used for characters marked as invisible in the Unicode database.

Gets or sets the language of the text in the buffer.

The language, or if not set. Language is used by some OpenType features to customize shaping behavior.

Gets or sets the size of the buffer.

The size of the buffer. If the new length is greater that the current length, more memory will be allocated. If the new length is less than the current length, the extra items will be cleared.

Reorders glyphs so that they can be run through subsequent phases consistently.

This ensures that clusters of glyphs are arranged in a canonical order after shaping.

Gets or sets the code point used to replace invalid characters during text processing.

The replacement code point. The default is (U+FFFD).

Resets the buffer to its initial state as if it were newly created.

This clears contents and resets all properties to their default values.

Reverses the order of buffer contents.

Reverses the order of clusters in the buffer.

Within each cluster, glyphs maintain their original order. The start index of the range to reverse. The end index of the range to reverse.

Reverses the order of buffer contents within a specified range.

Gets or sets the script of the text in the buffer.

The script. Script determines which OpenType features are applied during shaping.

Serializes the buffer glyphs to a string.

A string containing the serialized glyph data. The font to use for glyph names, or .

Serializes the buffer glyphs to a string using the specified font.

A string containing the serialized glyph data. The start index of the range to serialize. The end index of the range to serialize.

Serializes a range of buffer glyphs to a string.

A string containing the serialized glyph data. The font to use for glyph names, or . The serialization format. Flags that control serialization behavior.

Serializes the buffer glyphs to a string using the specified font, format, and flags.

A string containing the serialized glyph data. The start index of the range to serialize. The end index of the range to serialize. The font to use for glyph names, or . The serialization format. Flags that control serialization behavior.

Serializes a range of buffer glyphs to a string using the specified font, format, and flags.

A string containing the serialized glyph data.

Gets or sets the Unicode functions used by the buffer.

The Unicode functions. Unicode functions provide character property lookups needed during shaping.

Flags indicating differences between two buffers when compared.

Cluster values differ between the buffers.

Codepoints or glyph indices differ between the buffers.

Content types differ between the buffers.

A dotted circle glyph is present in one of the buffers.

The buffers are equal.

Glyph flags differ between the buffers.

Buffer lengths differ.

A .notdef glyph is present in one of the buffers.

Glyph positions differ between the buffers.

Flags for configuring buffer behavior during text shaping.

Indicates that the buffer represents the beginning of the text.

The default buffer flags with no special behavior.

Do not insert dotted circle glyph for invalid character sequences.

Indicates that the buffer represents the end of the text.

Preserve default ignorable characters in the output.

Remove default ignorable characters from the output.

The various levels of buffer clustering.

Don't group cluster values.

Default cluster level ().

Cluster values grouped into monotone order.

Cluster values grouped by graphemes into monotone order.

The instance invoking this callback. The Unicode code point to query.

A callback delegate used to retrieve the canonical combining class of a Unicode code point.

The for the specified code point. The instance invoking this callback. The first Unicode code point to compose. The second Unicode code point to compose. When this method returns, contains the composed Unicode code point.

A callback delegate used to compose two Unicode code points into a single code point using Unicode canonical composition.

if the code points were successfully composed; otherwise, .

The various types of buffer contents.

The buffer contains output glyphs (after shaping).

Initial value for new buffer.

The buffer contains input characters (before shaping).

The instance invoking this callback. The Unicode code point to decompose. When this method returns, contains the first component of the decomposition. When this method returns, contains the second component of the decomposition.

A callback delegate used to decompose a Unicode code point into two code points using Unicode canonical decomposition.

if the code point was successfully decomposed; otherwise, .

Various text directions that can be set via .

Text is set vertically from bottom to top.

Initial, unset direction.

Text is set horizontally from left to right.

Text is set horizontally from right to left.

Text is set vertically from top to bottom.

Represents a typeface.

The delegate to retrieve the table data.

Initializes a new instance of the class, using the delegate to assemble the data.

The typeface data. The zero-based face index in a collection.

Initializes a new instance of the class, using the specified typeface blob.

The typeface data. The zero-based face index in a collection.

Initializes a new instance of the class, using the specified typeface blob.

The delegate to retrieve the table data. The delegate to call when the face is destroyed, or .

Initializes a new instance of the class, using the delegate to assemble the data.

to release both managed and unmanaged resources; to release only unmanaged resources.

Releases the unmanaged resources used by the and optionally releases the managed resources.

Always dispose the object before you release your last reference to the . Otherwise, the resources it is using will not be freed until the garbage collector calls the finalizer.

Releases the unmanaged resources used.

Gets a reference to the empty instance.

The empty instance.

Gets or sets the number of glyphs in the face.

The number of glyphs in the face.

Gets or sets the zero-based face index in a collection.

The zero-based face index in a collection.

Gets a value indicating whether this face is immutable.

if the face is immutable; otherwise, .

Makes this face immutable, preventing further modifications.

The tag identifying the table to retrieve.

Retrieves a reference to the specified font table as a blob.

A containing the table data, or an empty blob if the table is not found.

Gets the list of OpenType table tags present in this face.

An array of values representing the tables in the face.

Gets or sets the units per EM.

The units per EM.

Various font features and variations.

The tag to use.

Initializes a new instance of the struct with the specified tag.

The tag to use. The value to use.

Initializes a new instance of the struct with the specified tag.

The tag to use. The value to use. The start value. The end value.

Initializes a new instance of the struct with the specified tag.

Gets or sets the end position of the feature application range.

The end position of the feature application range. The to compare with.

Determines whether the specified is equal to this instance.

Returns if the specified is equal to this instance; otherwise, . The object to compare with.

Determines whether the specified object is equal to this instance.

Returns if the specified object is equal to this instance; otherwise, .

Returns the hash code for this instance.

A 32-bit signed integer hash code. The first to compare. The second to compare.

Determines whether two specified objects are equal.

Returns if the two objects are equal; otherwise, . The first to compare. The second to compare.

Determines whether two specified objects are not equal.

Returns if the two objects are not equal; otherwise, . The feature string to parse.

Parses a feature string.

Returns the new feature.

Gets or sets the start position of the feature application range.

The start position of the feature application range.

Gets or sets the tag identifying the feature.

The tag identifying the feature.

Returns the string representation of the feature.

Returns the string representation of the feature. The feature string to parse. The feature.

Tries to parse the feature string.

on success; otherwise, .

Gets or sets the value of the feature.

The value of the feature.

Represents a specific font face.

The face to use.

Initializes a new instance of the class using a specific font face.

The parent font to use as a basis for this font.

Initializes a new instance of the class as a sub-font of the specified parent font.

The new font inherits settings from the parent that can be overridden. to release both managed and unmanaged resources; to release only unmanaged resources.

Releases the unmanaged resources used by the and optionally releases the managed resources.

Always dispose the object before you release your last reference to the . Otherwise, the resources it is using will not be freed until the garbage collector calls the finalizer.

Releases the unmanaged resources used.

The text direction.

Gets the font extents for the specified text direction.

The font extents for the given direction. For horizontal text, returns horizontal extents; for vertical text, returns vertical extents. The glyph ID. The text direction. Returns the horizontal advance. Returns the vertical advance.

Gets the advance of a glyph for the specified direction.

For horizontal text, x contains the advance; for vertical text, y contains the advance. The span of glyph IDs. The text direction.

Gets the advances of multiple glyphs for the specified direction.

An array of advances for the glyphs. A pointer to the first glyph ID. The number of glyphs. The text direction.

Gets the advances of multiple glyphs for the specified direction.

An array of advances for the glyphs. The glyph ID.

Gets the horizontal advance width of a glyph.

The horizontal advance width in font units. The span of glyph IDs.

Gets the horizontal advance widths of multiple glyphs.

An array of horizontal advances in font units. A pointer to the first glyph ID. The number of glyphs.

Gets the horizontal advance widths of multiple glyphs.

An array of horizontal advances in font units. The glyph ID of the left glyph in the pair. The glyph ID of the right glyph in the pair.

Gets the horizontal kerning adjustment between two glyphs.

The kerning adjustment in font units. Kerning adjusts the spacing between specific pairs of glyphs for better visual appearance. The scale along the x-axis. The scale along the y-axis.

Retrieves the font scale.

The glyph ID.

Gets the vertical advance height of a glyph.

The vertical advance height in font units. The span of glyph IDs.

Gets the vertical advance heights of multiple glyphs.

An array of vertical advances in font units. A pointer to the first glyph ID. The number of glyphs.

Gets the vertical advance heights of multiple glyphs.

An array of vertical advances in font units. The glyph ID.

Converts a glyph ID to its string representation.

The string representation of the glyph, typically its name if available, otherwise its ID.

Gets access to OpenType metrics for this font.

The OpenType metrics accessor. Provides access to metrics defined in the OpenType MVAR table.

Gets the parent font, if this font was created as a sub-font.

The parent font, or if this font has no parent. The font functions to use.

Sets custom font functions for this font.

Font functions provide callbacks for glyph metrics and other font information. The font functions to use. User data to pass to the font functions.

Sets custom font functions for this font with associated user data.

Font functions provide callbacks for glyph metrics and other font information. The font functions to use. User data to pass to the font functions. A delegate to call when the font data is no longer needed.

Sets custom font functions for this font with associated user data and a destroy callback.

Sets the font functions to that of OpenType.

The scale along the x-axis. The scale along the y-axis.

Sets the font scale.

The buffer to shape. The features to control the shaping process.

Shapes the specified buffer using the current font.

The buffer to shape. The features to control the shaping process, or . A list of shaper names to try, or for the default.

Shapes the specified buffer using the current font with explicit shapers.

Shapers determine which text shaping engine is used (e.g., "ot" for OpenType, "fallback" for the fallback shaper).

Gets the list of supported shaper names.

An array of shaper names that can be used with the Shape method. The Unicode code point. Returns the glyph ID if found.

Tries to get the glyph ID for a Unicode code point.

if the glyph was found; otherwise, . The Unicode code point. Returns the glyph ID if found.

Tries to get the glyph ID for a Unicode code point.

if the glyph was found; otherwise, . The Unicode code point. The variation selector code point. Returns the glyph ID if found.

Tries to get the glyph ID for a Unicode code point with a variation selector.

if the glyph was found; otherwise, . The Unicode code point. The variation selector code point. Returns the glyph ID if found.

Tries to get the glyph ID for a Unicode code point with a variation selector.

if the glyph was found; otherwise, . The glyph ID. The index of the contour point. Returns the X coordinate of the point. Returns the Y coordinate of the point.

Tries to get the coordinates of a contour point in a glyph.

if the point was found; otherwise, . Contour points are used for TrueType hinting. The glyph ID. The index of the contour point. The text direction for origin adjustment. Returns the X coordinate of the point. Returns the Y coordinate of the point.

Tries to get the coordinates of a contour point in a glyph, adjusted for text direction.

if the point was found; otherwise, . The glyph ID. Returns the extents of the glyph.

Tries to get the extents (bounding box) of a glyph.

if the extents were found; otherwise, . The glyph name. Returns the glyph ID if found.

Tries to get the glyph ID for a glyph name.

if the glyph was found; otherwise, . The string representation of the glyph (name or ID). Returns the glyph ID if found.

Tries to parse a string to get a glyph ID.

if the glyph was found; otherwise, . The string can be a glyph name or a numeric glyph ID. The glyph ID. Returns the glyph name if available.

Tries to get the name of a glyph.

if the name was found; otherwise, . Returns the horizontal font extents.

Tries to get the horizontal extents of the font.

if the extents were found; otherwise, . Extents include ascender, descender, and line gap values. The glyph ID. Returns the X coordinate of the origin. Returns the Y coordinate of the origin.

Tries to get the horizontal origin of a glyph.

if the origin was found; otherwise, . The origin is the point from which the glyph is drawn for horizontal text. The Unicode code point. Returns the nominal glyph ID if found.

Tries to get the nominal glyph ID for a Unicode code point.

if the glyph was found; otherwise, . The nominal glyph is the default glyph for a character, without variation selectors. The Unicode code point. Returns the nominal glyph ID if found.

Tries to get the nominal glyph ID for a Unicode code point.

if the glyph was found; otherwise, . The nominal glyph is the default glyph for a character, without variation selectors. The Unicode code point. Returns the variation glyph ID if found.

Tries to get a variation glyph for a Unicode code point.

if a variation glyph was found; otherwise, . The Unicode code point. Returns the variation glyph ID if found.

Tries to get a variation glyph for a Unicode code point.

if a variation glyph was found; otherwise, . The Unicode code point. The variation selector code point. Returns the variation glyph ID if found.

Tries to get a variation glyph for a Unicode code point with a specific variation selector.

if a variation glyph was found; otherwise, . The Unicode code point. The variation selector code point. Returns the variation glyph ID if found.

Tries to get a variation glyph for a Unicode code point with a specific variation selector.

if a variation glyph was found; otherwise, . Returns the vertical font extents.

Tries to get the vertical extents of the font.

if the extents were found; otherwise, . Extents include ascender, descender, and line gap values for vertical text. The glyph ID. Returns the X coordinate of the origin. Returns the Y coordinate of the origin.

Tries to get the vertical origin of a glyph.

if the origin was found; otherwise, . The origin is the point from which the glyph is drawn for vertical text.

Represents font-wide extent values for horizontal or vertical text layout.

Gets or sets the typographic ascender.

The distance from the baseline to the top of the highest glyph in font units.

Gets or sets the typographic descender.

The distance from the baseline to the bottom of the lowest glyph in font units. The to compare with.

Determines whether the specified is equal to this instance.

Returns if the specified is equal to this instance; otherwise, . The object to compare with.

Determines whether the specified object is equal to this instance.

Returns if the specified object is equal to this instance; otherwise, .

Returns the hash code for this instance.

A 32-bit signed integer hash code.

Gets or sets the suggested line gap between lines of text.

The recommended spacing between consecutive lines of text in font units. The first to compare. The second to compare.

Determines whether two specified objects are equal.

Returns if the two objects are equal; otherwise, . The first to compare. The second to compare.

Determines whether two specified objects are not equal.

Returns if the two objects are not equal; otherwise, . The font. The additional data passed to when the functions were set. The font extents.

The delegate that is invoked when or is invoked.

Returns if the has extents; otherwise, .

Represents a collection of callback functions used by HarfBuzz for font operations such as retrieving glyph metrics, advances, and extents.

Initializes a new instance of the class with no callbacks set.

to release both managed and unmanaged resources; to release only unmanaged resources.

Releases the unmanaged resources used by the and optionally releases the managed resources.

Releases the unmanaged resources used.

Gets a reference to the empty instance with no callbacks set.

The empty font functions instance.

Gets a value indicating whether this font functions instance is immutable.

if the instance is immutable; otherwise, .

Makes this font functions instance immutable, preventing further modifications.

The delegate to set for retrieving glyph contour point coordinates. The delegate to call when the callback is replaced or destroyed, or .

Sets the callback for retrieving glyph contour point coordinates.

The delegate to set for retrieving glyph extents. The delegate to call when the callback is replaced or destroyed, or .

Sets the callback for retrieving glyph extents (bounding box).

The delegate to set for retrieving glyph identifiers from names. The delegate to call when the callback is replaced or destroyed, or .

Sets the callback for retrieving a glyph identifier from a glyph name.

The delegate to set for retrieving glyph names. The delegate to call when the callback is replaced or destroyed, or .

Sets the callback for retrieving the name of a glyph.

The delegate to set for retrieving horizontal font extents. The delegate to call when the callback is replaced or destroyed, or .

Sets the callback for retrieving font extents for horizontal text layout.

The delegate to set for retrieving horizontal glyph advances. The delegate to call when the callback is replaced or destroyed, or .

Sets the callback for retrieving horizontal advance width for a single glyph.

The delegate to set for retrieving horizontal glyph advances in batch. The delegate to call when the callback is replaced or destroyed, or .

Sets the callback for retrieving horizontal advance widths for multiple glyphs.

The delegate to set for retrieving horizontal glyph kerning. The delegate to call when the callback is replaced or destroyed, or .

Sets the callback for retrieving horizontal kerning adjustment between two glyphs.

The delegate to set for retrieving horizontal glyph origins. The delegate to call when the callback is replaced or destroyed, or .

Sets the callback for retrieving the origin point for horizontal glyph layout.

The delegate to set for mapping code points to glyphs. The delegate to call when the callback is replaced or destroyed, or .

Sets the callback for mapping a Unicode code point to its nominal glyph identifier.

The delegate to set for batch mapping code points to glyphs. The delegate to call when the callback is replaced or destroyed, or .

Sets the callback for mapping multiple Unicode code points to their nominal glyph identifiers.

The delegate to set for retrieving variation glyphs. The delegate to call when the callback is replaced or destroyed, or .

Sets the callback for retrieving the glyph identifier for a Unicode code point with a variation selector.

The delegate to set for retrieving vertical font extents. The delegate to call when the callback is replaced or destroyed, or .

Sets the callback for retrieving font extents for vertical text layout.

The delegate to set for retrieving vertical glyph advances. The delegate to call when the callback is replaced or destroyed, or .

Sets the callback for retrieving vertical advance height for a single glyph.

The delegate to set for retrieving vertical glyph advances in batch. The delegate to call when the callback is replaced or destroyed, or .

Sets the callback for retrieving vertical advance heights for multiple glyphs.

The delegate to set for retrieving vertical glyph origins. The delegate to call when the callback is replaced or destroyed, or .

Sets the callback for retrieving the origin point for vertical glyph layout.

The instance invoking this callback. The Unicode code point to query.

A callback delegate used to retrieve the general category of a Unicode code point.

The for the specified code point. The font face being queried. The table tag to retrieve.

Represents a callback method that retrieves a font table blob.

A containing the table data, or if not found. The font. The additional data passed to when the functions were set. The glyph.

The delegate that is invoked when or is invoked.

Returns the advance amount. The instance invoking this callback. The user-specified font data associated with the font. The number of glyphs to process. A read-only span of glyph identifiers to query. A span to receive the advance widths or heights in font units for each glyph.

A callback delegate used to retrieve the advance widths or heights for multiple glyphs in a single batch operation.

The instance invoking this callback. The user-specified font data associated with the font. The glyph identifier to query. The zero-based index of the contour point to retrieve. When this method returns, contains the X coordinate of the contour point in font units. When this method returns, contains the Y coordinate of the contour point in font units.

A callback delegate used to retrieve the coordinates of a specific contour point within a glyph outline.

if the contour point was found; otherwise, .

Represents the bounding box of a glyph.

The to compare with.

Determines whether the specified is equal to this instance.

Returns if the specified is equal to this instance; otherwise, . The object to compare with.

Determines whether the specified object is equal to this instance.

Returns if the specified object is equal to this instance; otherwise, .

Returns the hash code for this instance.

A 32-bit signed integer hash code.

Gets or sets the height of the glyph extents.

The height in font units. Typically negative in coordinate systems where Y grows upward. The first to compare. The second to compare.

Determines whether two specified objects are equal.

Returns if the two objects are equal; otherwise, . The first to compare. The second to compare.

Determines whether two specified objects are not equal.

Returns if the two objects are not equal; otherwise, .

Gets or sets the width of the glyph extents.

The width in font units.

Gets or sets the horizontal bearing (left side bearing).

The horizontal distance from the origin to the left edge of the glyph in font units.

Gets or sets the vertical bearing (top side bearing).

The vertical distance from the origin to the top edge of the glyph in font units. The font being queried. User-supplied font data. The glyph identifier. When this method returns, contains the glyph extents.

Represents a callback method that retrieves the extents (bounding box) of a glyph.

if the extents were found; otherwise, .

Represents the various glyph flags of a .

All the currently defined flags.

If input text is broken at the beginning of the cluster this glyph is part of, then both sides need to be re-shaped, as the result might be different.

The font being queried. User-supplied font data. The glyph name to look up. When this method returns, contains the glyph identifier if found.

Represents a callback method that retrieves a glyph identifier from a glyph name.

if the glyph was found; otherwise, .

Represents a glyph and its relation to the input text.

Gets or sets the index of the character in the original text.

The index of the character in the original text.

Gets or sets the Unicode code point (or the glyph index after shaping).

The Unicode code point or glyph index. This represents either a Unicode code point (before shaping) or a glyph index (after shaping). The to compare with.

Determines whether the specified is equal to this instance.

Returns if the specified is equal to this instance; otherwise, . The object to compare with.

Determines whether the specified object is equal to this instance.

Returns if the specified object is equal to this instance; otherwise, .

Returns the hash code for this instance.

A 32-bit signed integer hash code.

Gets the for this instance.

The glyph flags for this instance.

Gets or sets the glyph mask.

The glyph mask. The first to compare. The second to compare.

Determines whether two specified objects are equal.

Returns if the two objects are equal; otherwise, . The first to compare. The second to compare.

Determines whether two specified objects are not equal.

Returns if the two objects are not equal; otherwise, . The font being queried. User-supplied font data. The first glyph in the pair. The second glyph in the pair.

Represents a callback method that retrieves the kerning adjustment between two glyphs.

The horizontal kerning adjustment in font units. The instance invoking this callback. The user-specified font data associated with the font. The glyph identifier to query. When this method returns, contains the name of the glyph.

A callback delegate used to retrieve the name of a glyph.

if the glyph name was found; otherwise, . The instance invoking this callback. The user-specified font data associated with the font. The glyph identifier to query. When this method returns, contains the X coordinate of the glyph origin in font units. When this method returns, contains the Y coordinate of the glyph origin in font units.

A callback delegate used to retrieve the origin coordinates of a glyph for horizontal or vertical layout.

if the origin was found; otherwise, .

Represents the position of a glyph, relative to the current point.

The to compare with.

Determines whether the specified is equal to this instance.

Returns if the specified is equal to this instance; otherwise, . The object to compare with.

Determines whether the specified object is equal to this instance.

Returns if the specified object is equal to this instance; otherwise, .

Returns the hash code for this instance.

A 32-bit signed integer hash code. The first to compare. The second to compare.

Determines whether two specified objects are equal.

Returns if the two objects are equal; otherwise, . The first to compare. The second to compare.

Determines whether two specified objects are not equal.

Returns if the two objects are not equal; otherwise, .

Gets or sets how much the line advances after drawing this glyph when setting text in horizontal direction.

The horizontal advance, in font units.

Gets or sets how much the glyph moves horizontally before drawing it.

The horizontal offset, in font units. This should not affect how much the line advances.

Gets or sets how much the line advances after drawing this glyph when setting text in vertical direction.

The vertical advance, in font units.

Gets or sets how much the glyph moves vertically before drawing it.

The vertical offset, in font units. This should not affect how much the line advances.

Represents a language tag used for text shaping.

Language tags are used to identify the language of text being shaped, which affects how certain characters are rendered. The culture to create the language from.

Initializes a new instance of the class from a .

The BCP 47 language tag string (for example, "en" or "en-US").

Initializes a new instance of the class from a BCP 47 language tag string.

Gets the default language based on the current locale.

The default language. The object to compare with the current instance.

Determines whether the specified object is equal to the current language.

if the objects are equal; otherwise, .

Returns a hash code for this instance.

A hash code for the current object.

Gets the BCP 47 language tag string representation.

The language tag string.

Returns a string representation of the language.

The BCP 47 language tag string.

Various memory modes for

In no case shall the HarfBuzz client modify memory that is passed to HarfBuzz in a blob. If there is any such possibility, should be used such that HarfBuzz makes a copy immediately.

HarfBuzz makes a copy immediately.

Default mode indicating that the memory won't be changed.

The font file was mmap()ed, but should still be used.

Indicates that the data was copied solely for the purpose of passing to HarfBuzz.

The instance invoking this callback. The Unicode code point to query.

A callback delegate used to retrieve the mirrored glyph of a Unicode code point for bidirectional text rendering.

The mirrored Unicode code point, or the original code point if no mirroring is defined.

Represents a native object.

Releases all resources used by this .

Always dispose the object before you release your last reference to the . Otherwise, the resources it is using will not be freed until the garbage collector calls the finalizer. to release both managed and unmanaged resources; to release only unmanaged resources.

Releases the unmanaged resources used by the and optionally releases the managed resources.

Always dispose the object before you release your last reference to the . Otherwise, the resources it is using will not be freed until the garbage collector calls the finalizer.

Releases the unmanaged resources used.

Allows an object to try to free resources and perform other cleanup operations before it is reclaimed by garbage collection.

Gets or sets the handle to the underlying native object.

The handle to the underlying native object. The instance invoking this callback. The user-specified font data associated with the font. The Unicode code point to map. When this method returns, contains the glyph identifier for the code point.

A callback delegate used to retrieve the nominal glyph identifier for a Unicode code point.

if a glyph was found for the code point; otherwise, . The instance invoking this callback. The user-specified font data associated with the font. The number of code points to map. A read-only span of Unicode code points to map to glyphs. A span to receive the resulting glyph identifiers.

A callback delegate used to map multiple Unicode code points to their nominal glyph identifiers in a single batch operation.

The number of code points successfully mapped to glyphs.

Represents a color layer in an OpenType color font.

Gets or sets the color index in the palette.

The zero-based index into the color palette. The OpenTypeColorLayer to compare with.

Determines whether the specified OpenTypeColorLayer is equal to this instance.

if the specified OpenTypeColorLayer is equal to this instance; otherwise, . The object to compare with.

Determines whether the specified object is equal to this instance.

if the specified object is equal to this instance; otherwise, .

Returns the hash code for this instance.

A 32-bit signed integer hash code.

Gets or sets the glyph index for this layer.

The glyph index. The first OpenTypeColorLayer to compare. The second OpenTypeColorLayer to compare.

Determines whether two specified OpenTypeColorLayer objects are equal.

if the two OpenTypeColorLayer objects are equal; otherwise, . The first OpenTypeColorLayer to compare. The second OpenTypeColorLayer to compare.

Determines whether two specified OpenTypeColorLayer objects are not equal.

if the two OpenTypeColorLayer objects are not equal; otherwise, .

Flags for OpenType color palettes in CPAL table.

No special flags.

Palette is suitable for dark backgrounds.

Palette is suitable for light backgrounds.

Baseline tags from the OpenType BASE table.

Hanging baseline for Indic scripts.

Ideographic em-box bottom or left baseline.

Ideographic em-box top or right baseline.

Ideographic face bottom or left baseline.

Ideographic face top or right baseline.

Math baseline.

Roman baseline.

Specifies the glyph class for OpenType layout operations.

A base glyph that acts as a single character.

A glyph that is a component of a ligature.

A ligature glyph composed of multiple characters.

A combining mark glyph that attaches to a base glyph.

The glyph has no class definition.

Specifies constants from the OpenType MATH table for mathematical typesetting.

Math layout constant.

Math layout constant.

Math layout constant.

Math layout constant.

Math layout constant.

Math layout constant.

Math layout constant.

Math layout constant.

Math layout constant.

Math layout constant.

Math layout constant.

Math layout constant.

Math layout constant.

Math layout constant.

Math layout constant.

Math layout constant.

Math layout constant.

Math layout constant.

Math layout constant.

Math layout constant.

Math layout constant.

Math layout constant.

Math layout constant.

Math layout constant.

Math layout constant.

Math layout constant.

Math layout constant.

Math layout constant.

Math layout constant.

Math layout constant.

Math layout constant.

Math layout constant.

Math layout constant.

Math layout constant.

Math layout constant.

Math layout constant.

Math layout constant.

Math layout constant.

Math layout constant.

Math layout constant.

Math layout constant.

Math layout constant.

Math layout constant.

Math layout constant.

Math layout constant.

Math layout constant.

Math layout constant.

Math layout constant.

Math layout constant.

Math layout constant.

Math layout constant.

Math layout constant.

Math layout constant.

Math layout constant.

Math layout constant.

Math layout constant.

Represents a part of a math glyph assembly used for extensible math constructs.

Glyph parts are used to construct extensible mathematical symbols such as large parentheses, brackets, and radical signs.

Gets or sets the length of the end connector, in font design units.

The end connector length. The object to compare with the current instance.

Determines whether the specified is equal to the current instance.

if the objects are equal; otherwise, . The object to compare with the current instance.

Determines whether the specified object is equal to the current instance.

if the objects are equal; otherwise, .

Gets or sets the flags for this glyph part.

The glyph part flags.

Gets or sets the full advance of this part in the direction of the assembly, in font design units.

The full advance value.

Returns a hash code for this instance.

A hash code for the current object.

Gets or sets the glyph identifier for this part.

The glyph identifier. The first value to compare. The second value to compare.

Determines whether two structures are equal.

if the values are equal; otherwise, . The first value to compare. The second value to compare.

Determines whether two structures are not equal.

if the values are not equal; otherwise, .

Gets or sets the length of the start connector, in font design units.

The start connector length.

Flags for OpenType math glyph parts.

Indicates the glyph part can be repeated for extension.

Represents a math glyph variant used in mathematical typesetting.

Gets or sets the advance measurement of the variant glyph.

The advance measurement in font units. The OpenTypeMathGlyphVariant to compare with.

Determines whether the specified OpenTypeMathGlyphVariant is equal to this instance.

if the specified OpenTypeMathGlyphVariant is equal to this instance; otherwise, . The object to compare with.

Determines whether the specified object is equal to this instance.

if the specified object is equal to this instance; otherwise, .

Returns the hash code for this instance.

A 32-bit signed integer hash code.

Gets or sets the glyph index of the variant.

The glyph index. The first OpenTypeMathGlyphVariant to compare. The second OpenTypeMathGlyphVariant to compare.

Determines whether two specified OpenTypeMathGlyphVariant objects are equal.

if the two OpenTypeMathGlyphVariant objects are equal; otherwise, . The first OpenTypeMathGlyphVariant to compare. The second OpenTypeMathGlyphVariant to compare.

Determines whether two specified OpenTypeMathGlyphVariant objects are not equal.

if the two OpenTypeMathGlyphVariant objects are not equal; otherwise, .

Specifies math kerning positions in the OpenType MATH table.

Bottom-left kerning position.

Bottom-right kerning position.

Top-left kerning position.

Top-right kerning position.

Tags for the OpenType meta table.

Languages the font was designed for.

Languages the font supports.

Provides access to OpenType font metrics.

The font to retrieve metrics from.

Initializes a new instance of the struct for the specified font.

The metrics tag to query.

Gets the variation value for the specified metrics tag.

The variation value. The metrics tag to query.

Gets the horizontal variation value for the specified metrics tag.

The horizontal variation value in font units. The metrics tag to query.

Gets the vertical variation value for the specified metrics tag.

The vertical variation value in font units. The metrics tag to query. When this method returns, contains the position value if found.

Tries to get the position for the specified metrics tag.

if the position was found; otherwise, .

Specifies OpenType font metrics tags for querying font-wide metrics.

Font metric value.

Font metric value.

Font metric value.

Font metric value.

Font metric value.

Font metric value.

Font metric value.

Font metric value.

Font metric value.

Font metric value.

Font metric value.

Font metric value.

Font metric value.

Font metric value.

Font metric value.

Font metric value.

Font metric value.

Font metric value.

Font metric value.

Font metric value.

Font metric value.

Font metric value.

Font metric value.

Font metric value.

Font metric value.

Font metric value.

Font metric value.

Font metric value.

Represents an entry in the OpenType name table.

The OpenTypeNameEntry to compare with.

Determines whether the specified OpenTypeNameEntry is equal to this instance.

if the specified OpenTypeNameEntry is equal to this instance; otherwise, . The object to compare with.

Determines whether the specified object is equal to this instance.

if the specified object is equal to this instance; otherwise, .

Returns the hash code for this instance.

A 32-bit signed integer hash code.

Gets or sets the language identifier.

The language identifier.

Gets or sets the name identifier.

The name identifier. The first OpenTypeNameEntry to compare. The second OpenTypeNameEntry to compare.

Determines whether two specified OpenTypeNameEntry objects are equal.

if the two OpenTypeNameEntry objects are equal; otherwise, . The first OpenTypeNameEntry to compare. The second OpenTypeNameEntry to compare.

Determines whether two specified OpenTypeNameEntry objects are not equal.

if the two OpenTypeNameEntry objects are not equal; otherwise, .

Gets or sets the variation index.

The variation index.

Specifies OpenType name table entry identifiers.

PostScript CID findfont name (ID 20).

Copyright notice (ID 0).

Dark background palette (ID 24).

Description (ID 10).

Designer name (ID 9).

Designer URL (ID 12).

Font family name (ID 1).

Font subfamily name (ID 2).

Full font name (ID 4).

Invalid name ID.

License description (ID 13).

License URL (ID 14).

Light background palette (ID 23).

Compatible full name for Mac (ID 18).

Manufacturer name (ID 8).

PostScript name (ID 6).

Sample text (ID 19).

Trademark notice (ID 7).

Typographic family name (ID 16).

Typographic subfamily name (ID 17).

Unique font identifier (ID 3).

Variations PostScript name prefix (ID 25).

Vendor URL (ID 11).

Version string (ID 5).

WWS family name (ID 21).

WWS subfamily name (ID 22).

Represents a variation axis in a variable font.

This structure contains information about a font variation axis, including its valid range and default value.

Gets or sets the default value for this axis.

The default axis value. The object to compare with the current instance.

Determines whether the specified is equal to the current instance.

if the objects are equal; otherwise, . The object to compare with the current instance.

Determines whether the specified object is equal to the current instance.

if the objects are equal; otherwise, .

Returns a hash code for this instance.

A hash code for the current object.

Gets or sets the maximum value for this axis.

The maximum axis value.

Gets or sets the minimum value for this axis.

The minimum axis value.

Gets or sets the name identifier for the axis name in the font's name table.

The name table identifier. The first value to compare. The second value to compare.

Determines whether two structures are equal.

if the values are equal; otherwise, . The first value to compare. The second value to compare.

Determines whether two structures are not equal.

if the values are not equal; otherwise, .

Gets or sets the four-character tag identifying the axis (for example, 'wght' for weight).

The axis tag.

Specifies flags for variable font axes.

The axis should not be exposed directly in user interfaces.

Represents extended information about a variation axis in a variable font.

This structure provides detailed information about a font variation axis, including its range, default value, and flags.

Gets or sets the index of the axis in the font's variation axis array.

The zero-based axis index.

Gets or sets the default value for this axis.

The default axis value. The object to compare with the current instance.

Determines whether the specified is equal to the current instance.

if the objects are equal; otherwise, . The object to compare with the current instance.

Determines whether the specified object is equal to the current instance.

if the objects are equal; otherwise, .

Gets or sets the axis flags.

The axis flags.

Returns a hash code for this instance.

A hash code for the current object.

Gets or sets the maximum value for this axis.

The maximum axis value.

Gets or sets the minimum value for this axis.

The minimum axis value.

Gets or sets the name identifier for the axis name in the font's name table.

The name table identifier. The first value to compare. The second value to compare.

Determines whether two structures are equal.

if the values are equal; otherwise, . The first value to compare. The second value to compare.

Determines whether two structures are not equal.

if the values are not equal; otherwise, .

Gets or sets the four-character tag identifying the axis (for example, 'wght' for weight).

The axis tag.

The delegate that will be invoked when a resource is ready to be discarded.

Represents a particular Unicode script.

The Adlam (Adlm) script typically used with text in the Fulah (ff) language originating from Guinea.

The Ahom (Ahom) script typically used with text in the Ahom (aho) language originating from India.

The Anatolian Hieroglyphs (Hluw) script typically used with text in the Hieroglyphic Luwian (hlu) language originating from Türkiye.

The Arabic (Arab) script typically used with text in the Arabic (ar) language originating from Saudi Arabia.

The Armenian (Armn) script typically used with text in the Armenian (hy) language originating from Armenia.

The Avestan (Avst) script typically used with text in the Avestan (ae) language originating from Iran.

The Balinese (Bali) script typically used with text in the Balinese (ban) language originating from Indonesia.

The Bamum (Bamu) script typically used with text in the Bamun (bax) language originating from Cameroon.

The Bassa Vah (Bass) script typically used with text in the Bassa (bsq) language originating from Liberia.

The Batak (Batk) script typically used with text in the Batak Toba (bbc) language originating from Indonesia.

The Bengali (Beng) script typically used with text in the Bengali (bn) language originating from Bangladesh.

The Bhaiksuki (Bhks) script typically used with text in the Sanskrit (sa) language originating from India.

The Bopomofo (Bopo) script typically used with text in the Chinese (zh) language originating from China.

The Brahmi (Brah) script typically used with text in the Ardhamāgadhī Prākrit (pka) language originating from India.

The Braille (Brai) script typically used with text in the Braille language originating from France.

The Buginese (Bugi) script typically used with text in the Buginese (bug) language originating from Indonesia.

The Buhid (Buhd) script typically used with text in the Buhid (bku) language originating from Philippines.

The Unified Canadian Aboriginal Syllabics (Cans) script typically used with text in the Cree (cr) language originating from Canada.

The Carian (Cari) script typically used with text in the Carian (xcr) language originating from Türkiye.

The Caucasian Albanian (Aghb) script typically used with text in the Lezgian (lez) language originating from Russia.

The Chakma (Cakm) script typically used with text in the Chakma (ccp) language originating from Bangladesh.

The Cham (Cham) script typically used with text in the Eastern Cham (cjm) language originating from Vietnam.

The Cherokee (Cher) script typically used with text in the Cherokee (chr) language originating from United States.

The Common (Zyyy) script used to indicate an undetermined script.

The Coptic (Copt) script typically used with text in the Coptic (cop) language originating from Egypt.

The Cuneiform (Xsux) script typically used with text in the Akkadian (akk) language originating from Iraq.

The Cypriot (Cprt) script typically used with text in the Ancient Greek (grc) language originating from Cyprus.

The Cyrillic (Cyrl) script typically used with text in the Russian (ru) language originating from Bulgaria.

The Deseret (Dsrt) script typically used with text in the English (en) language originating from United States.

The Devanagari (Deva) script typically used with text in the Hindi (hi) language originating from India.

The Dogra (Dogr) script typically used with text in the Dogri (doi) language originating from India.

The Duployan (Dupl) script typically used with text in the French (fr) language originating from France.

The Egyptian Hieroglyphs (Egyp) script typically used with text in the Ancient Egyptian (egy) language originating from Egypt.

The Elbasan (Elba) script typically used with text in the Albanian (sq) language originating from Albania.

An object to compare to this instance.

Returns a value indicating whether this instance and a specified object represent the same value.

if the other value is equal to this instance; otherwise, . An object to compare to this instance.

Returns a value indicating whether this instance and a specified object represent the same value.

if the other value is equal to this instance; otherwise, .

The Ethiopic (Ethi) script typically used with text in the Amharic (am) language originating from Ethiopia.

The Georgian (Geor) script typically used with text in the Georgian (ka) language originating from Georgia.

Returns the hash code for this instance.

Returns the hash code for this instance.

The Glagolitic (Glag) script typically used with text in the Church Slavic (cu) language originating from Bulgaria.

The Gothic (Goth) script typically used with text in the Gothic (got) language originating from Ukraine.

The Grantha (Gran) script typically used with text in the Sanskrit (sa) language originating from India.

The Greek (Grek) script typically used with text in the Greek (el) language originating from Greece.

The Gujarati (Gujr) script typically used with text in the Gujarati (gu) language originating from India.

The Gunjala Gondi (Gong) script typically used with text in the Adilabad Gondi (wsg) language originating from India.

The Gurmukhi (Guru) script typically used with text in the Punjabi (pa) language originating from India.

The Han (Hani) script typically used with text in the Chinese (zh) language originating from China.

The Hangul (Hang) script typically used with text in the Korean (ko) language originating from Republic of Korea.

The Hanifi Rohingya (Rohg) script typically used with text in the Rohingya (rhg) language originating from Myanmar.

The Hanunoo (Hano) script typically used with text in the Hanunoo (hnn) language originating from Philippines.

The Hatran (Hatr) script typically used with text in the Uncoded Languages (mis) language originating from Iraq.

The Hebrew (Hebr) script typically used with text in the Hebrew (he) language originating from Israel.

The Hiragana (Hira) script typically used with text in the Japanese (ja) language originating from Japan.

Gets the horizontal direction of this script.

The horizontal direction of the script.

The Imperial Aramaic (Armi) script typically used with text in the Aramaic (arc) language originating from Iran.

The Inherited (Zinh) script used to indicate an inherited script.

The Inscriptional Pahlavi (Phli) script typically used with text in the Pahlavi (pal) language originating from Iran.

The Inscriptional Parthian (Prti) script typically used with text in the Parthian (xpr) language originating from Iran.

The script used to indicate an invalid or no script.

The Javanese (Java) script typically used with text in the Javanese (jv) language originating from Indonesia.

The Kaithi (Kthi) script typically used with text in the Bhojpuri (bho) language originating from India.

The Kannada (Knda) script typically used with text in the Kannada (kn) language originating from India.

The Katakana (Kana) script typically used with text in the Japanese (ja) language originating from Japan.

The Kayah Li (Kali) script typically used with text in the Eastern Kayah (eky) language originating from Myanmar.

The Kharoshthi (Khar) script typically used with text in the Gandhari (pra) language originating from Pakistan.

The Khmer (Khmr) script typically used with text in the Khmer (km) language originating from Cambodia.

The Khojki (Khoj) script typically used with text in the Sindhi (sd) language originating from India.

The Khudawadi (Sind) script typically used with text in the Sindhi (sd) language originating from India.

The Lao (Laoo) script typically used with text in the Lao (lo) language originating from Laos.

The Latin (Latn) script typically used with text in the English (en) language originating from Italy.

The Lepcha (Lepc) script typically used with text in the Lepcha (lep) language originating from India.

The Limbu (Limb) script typically used with text in the Limbu (lif) language originating from India.

The Linear A (Lina) script typically used with text in the Linear A (lab) language originating from Greece.

The Linear B (Linb) script typically used with text in the Ancient Greek (grc) language originating from Greece.

The Lisu (Lisu) script typically used with text in the Lisu (lis) language originating from China.

The Lycian (Lyci) script typically used with text in the Lycian (xlc) language originating from Türkiye.

The Lydian (Lydi) script typically used with text in the Lydian (xld) language originating from Türkiye.

The Mahajani (Mahj) script typically used with text in the Hindi (hi) language originating from India.

The Makasar (Maka) script typically used with text in the Makasar (mak) language originating from Indonesia.

The Malayalam (Mlym) script typically used with text in the Malayalam (ml) language originating from India.

The Mandaic (Mand) script typically used with text in the Classical Mandaic (myz) language originating from Iran.

The Manichaean (Mani) script typically used with text in the Manichaean Middle Persian (xmn) language originating from China.

The Marchen (Marc) script typically used with text in the Tibetan (bo) language originating from China.

The Masaram Gondi (Gonm) script typically used with text in the Aheri Gondi (esg) language originating from India.

The dummy script used to prevent undefined behavior.

The dummy script used to prevent undefined behavior.

The Medefaidrin (Medf) script typically used with text in the Medefaidrin (mis) language originating from Nigeria.

The Meetei Mayek (Mtei) script typically used with text in the Manipuri (mni) language originating from India.

The Mende Kikakui (Mend) script typically used with text in the Mende (men) language originating from Sierra Leone.

The Meroitic Cursive (Merc) script typically used with text in the Meroitic (xmr) language originating from Sudan.

The Meroitic Hieroglyphs (Mero) script typically used with text in the Meroitic (xmr) language originating from Sudan.

The Miao (Plrd) script typically used with text in the Large Flowery Miao (hmd) language originating from China.

The Modi (Modi) script typically used with text in the Marathi (mr) language originating from India.

The Mongolian (Mong) script typically used with text in the Mongolian (mn) language originating from Mongolia.

The Mro (Mroo) script typically used with text in the Mru (mro) language originating from Bangladesh.

The Multani (Mult) script typically used with text in the Seraiki (skr) language originating from Pakistan.

The Myanmar (Mymr) script typically used with text in the Burmese (my) language originating from Myanmar.

The Nabataean (Nbat) script typically used with text in the Official Aramaic (700-300 BCE) (arc) language originating from Jordan.

The Newa (Newa) script typically used with text in the Newari (new) language originating from Nepal.

The New Tai Lue (Talu) script typically used with text in the Lü (khb) language originating from China.

The Nko (Nkoo) script typically used with text in the Manding (man) language originating from Guinea.

The Nushu (Nshu) script typically used with text in the Chinese language family (zhx) language originating from China.

The Ogham (Ogam) script typically used with text in the Old Irish (sga) language originating from Ireland.

The Ol Chiki (Olck) script typically used with text in the Santali (sat) language originating from India.

The Old Hungarian (Hung) script typically used with text in the Hungarian (hu) language originating from Hungary.

The Old Italic (Ital) script typically used with text in the Etruscan (ett) language originating from Italy.

The Old North Arabian (Narb) script typically used with text in the Ancient North Arabian (xna) language originating from Saudi Arabia.

The Old Permic (Perm) script typically used with text in the Komi (kv) language originating from Russia.

The Old Persian (Xpeo) script typically used with text in the Old Persian (peo) language originating from Iran.

The Old Sogdian (Sogo) script typically used with text in the Sogdian (sog) language originating from Uzbekistan.

The Old South Arabian (Sarb) script typically used with text in the Sabaean (xsa) language originating from Yemen.

The Old Turkic (Orkh) script typically used with text in the Old Turkish (otk) language originating from Mongolia.

The script to be converted into a tag.

Defines an implicit conversion of a to a tag.

Returns the tag that corresponds to the script. The tag to be converted into a script.

Defines an implicit conversion of a tag to a .

Returns the script that corresponds to the tag.

The Oriya (Orya) script typically used with text in the Oriya (or) language originating from India.

The Osage (Osge) script typically used with text in the Osage (osa) language originating from United States.

The Osmanya (Osma) script typically used with text in the Somali (so) language originating from Somalia.

The Pahawh Hmong (Hmng) script typically used with text in the Hmong Njua (hnj) language originating from Laos.

The Palmyrene (Palm) script typically used with text in the Official Aramaic (700-300 BCE) (arc) language originating from Syria.

The ISO 15924 script tag to parse.

Parses the ISO 15924 script tag into the corresponding .

Returns the that corresponds the script tag that was parsed.

The Pau Cin Hau (Pauc) script typically used with text in the Tedim Chin (ctd) language originating from Myanmar.

The Phags Pa (Phag) script typically used with text in the Literary Chinese (lzh) language originating from China.

The Phoenician (Phnx) script typically used with text in the Phoenician (phn) language originating from Lebanon.

The Psalter Pahlavi (Phlp) script typically used with text in the Pahlavi (pal) language originating from China.

The Rejang (Rjng) script typically used with text in the Rejang (rej) language originating from Indonesia.

The Runic (Runr) script typically used with text in the Old Norse (non) language originating from Sweden.

The Samaritan (Samr) script typically used with text in the Samaritan Hebrew (smp) language originating from Israel.

The Saurashtra (Saur) script typically used with text in the Saurashtra (saz) language originating from India.

The Sharada (Shrd) script typically used with text in the Sanskrit (sa) language originating from India.

The Shavian (Shaw) script typically used with text in the English (en) language originating from United Kingdom.

The Siddham (Sidd) script typically used with text in the Sanskrit (sa) language originating from India.

The Sign Writing (Sgnw) script typically used with text in the American Sign Language (ase) language originating from United States.

The Sinhala (Sinh) script typically used with text in the Sinhala (si) language originating from Sri Lanka.

The Sogdian (Sogd) script typically used with text in the Sogdian (sog) language originating from Uzbekistan.

The Sora Sompeng (Sora) script typically used with text in the Sora (srb) language originating from India.

The Soyombo (Soyo) script typically used with text in the Classical Mongolian (cmg) language originating from Mongolia.

The Sundanese (Sund) script typically used with text in the Sundanese (su) language originating from Indonesia.

The Syloti Nagri (Sylo) script typically used with text in the Sylheti (syl) language originating from Bangladesh.

The Syriac (Syrc) script typically used with text in the Syriac (syr) language originating from Syria.

The Tagalog (Tglg) script typically used with text in the Filipino (fil) language originating from Philippines.

The Tagbanwa (Tagb) script typically used with text in the Tagbanwa (tbw) language originating from Philippines.

The Tai Le (Tale) script typically used with text in the Tai Nüa (tdd) language originating from China.

The Tai Tham (Lana) script typically used with text in the Northern Thai (nod) language originating from Thailand.

The Tai Viet (Tavt) script typically used with text in the Tai Dam (blt) language originating from Vietnam.

The Takri (Takr) script typically used with text in the Dogri (doi) language originating from India.

The Tamil (Taml) script typically used with text in the Tamil (ta) language originating from India.

The Tangut (Tang) script typically used with text in the Tangut (txg) language originating from China.

The Telugu (Telu) script typically used with text in the Telugu (te) language originating from India.

The Thaana (Thaa) script typically used with text in the Divehi (dv) language originating from Maldives.

The Thai (Thai) script typically used with text in the Thai (th) language originating from Thailand.

The Tibetan (Tibt) script typically used with text in the Tibetan (bo) language originating from China.

The Tifinagh (Tfng) script typically used with text in the Standard Moroccan Tamazight (zgh) language originating from Morocco.

The Tirhuta (Tirh) script typically used with text in the Maithili (mai) language originating from India.

Returns a string representation of the value of this instance of the .

Returns a string representation. The four-character ISO 15924 script code string. When this method returns, contains the parsed script if successful.

Attempts to parse a script code string into a Script value.

if the string was successfully parsed; otherwise, .

The Ugaritic (Ugar) script typically used with text in the Ugaritic (uga) language originating from Syria.

The Unknown (Zzzz) script used to indicate an uncoded script.

The Vai (Vaii) script typically used with text in the Vai (vai) language originating from Liberia.

The Warang Citi (Wara) script typically used with text in the Ho (hoc) language originating from India.

The Yi (Yiii) script typically used with text in the Sichuan Yi (ii) language originating from China.

The Zanabazar Square (Zanb) script typically used with text in the Classical Mongolian (cmg) language originating from Mongolia.

The instance invoking this callback. The Unicode code point to query.

A callback delegate used to retrieve the script of a Unicode code point.

The for the specified code point.

The various flags that control what glyph information are serialized by .

Serialize glyph names, clusters and position information.

Serialize glyph extents.

Serialize glyph flags.

Do not serialize glyph advances (glyph offsets will reflect absolute glyph positions).

Do not serialize glyph clusters.

Do not serialize glyph names.

Do not serialize glyph position information.

The various serialization and de-serialization formats.

The format is invalid.

A machine-readable JSON format.

A human-readable, plain text format.

Represents a 4-character OpenType tag used to identify tables, scripts, languages, and features.

The first character of the tag. The second character of the tag. The third character of the tag. The fourth character of the tag.

Initializes a new instance of the struct from four characters.

The to compare with.

Determines whether the specified is equal to this instance.

Returns if the specified is equal to this instance; otherwise, . The object to compare with.

Determines whether the specified object is equal to this instance.

Returns if the specified object is equal to this instance; otherwise, .

Returns the hash code for this instance.

A 32-bit signed integer hash code.

Represents the maximum tag value.

Represents the maximum signed tag value.

Represents an empty or unset tag.

The tag to convert.

Implicitly converts a to a .

The unsigned integer representation of the tag. The unsigned integer to convert.

Implicitly converts a to a .

The representation of the unsigned integer. The ISO 15924 tag to parse.

Parses the ISO 15924 tag into the corresponding .

Returns the that corresponds the tag that was parsed.

Returns a string representation of the value of this instance of the .

Returns a string representation.

Specifies the Unicode canonical combining class of a character.

Combining classes determine how combining marks are ordered and rendered relative to base characters. Values correspond to the Unicode Canonical Combining Class property.

Combining class value.

Combining class value.

Combining class value.

Combining class value.

Combining class value.

Combining class value.

Combining class value.

Combining class value.

Combining class value.

Combining class value.

Combining class value.

Combining class value.

Combining class value.

Combining class value.

Combining class value.

Combining class value.

Combining class value.

Combining class value.

Combining class value.

Combining class value.

Combining class value.

Combining class value.

Combining class value.

Combining class value.

Combining class value.

Combining class value.

Combining class value.

Combining class value.

Combining class value.

Combining class value.

Combining class value.

Combining class value.

Combining class value.

Combining class value.

Combining class value.

Combining class value.

Combining class value.

Combining class value.

Combining class value.

Combining class value.

Combining class value.

Combining class value.

Combining class value.

Combining class value.

Combining class value.

Combining class value.

Combining class value.

Combining class value.

Combining class value.

Combining class value.

Combining class value.

Combining class value.

Combining class value.

Combining class value.

Combining class value.

Combining class value.

Combining class value.

Represents a collection of callback functions used by HarfBuzz for Unicode character property lookups such as script, general category, and combining class.

The parent Unicode functions to inherit from for any unset callbacks, or .

Initializes a new instance of the class that inherits from the specified parent.

Gets the default instance with built-in Unicode support.

The default Unicode functions instance. to release both managed and unmanaged resources; to release only unmanaged resources.

Releases the unmanaged resources used by the and optionally releases the managed resources.

Releases the unmanaged resources used.

Gets a reference to the empty instance with no callbacks set.

The empty Unicode functions instance. The Unicode code point to query.

Gets the canonical combining class of the specified Unicode code point.

The for the code point. The Unicode code point to query.

Gets the canonical combining class of the specified Unicode code point.

The for the code point. The Unicode code point to query.

Gets the general category of the specified Unicode code point.

The for the code point. The Unicode code point to query.

Gets the general category of the specified Unicode code point.

The for the code point. The Unicode code point to query.

Gets the mirrored code point for bidirectional text rendering.

The mirrored Unicode code point, or the original code point if no mirroring is defined. The Unicode code point to query.

Gets the mirrored code point for bidirectional text rendering.

The mirrored Unicode code point, or the original code point if no mirroring is defined. The Unicode code point to query.

Gets the script of the specified Unicode code point.

The for the code point. The Unicode code point to query.

Gets the script of the specified Unicode code point.

The for the code point.

Gets a value indicating whether this Unicode functions instance is immutable.

if the instance is immutable; otherwise, .

Makes this Unicode functions instance immutable, preventing further modifications.

Gets the parent Unicode functions that this instance inherits from.

The parent , or if there is no parent. The delegate to set for retrieving combining classes. The delegate to call when the callback is replaced or destroyed, or .

Sets the callback for retrieving the canonical combining class of a Unicode code point.

The delegate to set for Unicode composition. The delegate to call when the callback is replaced or destroyed, or .

Sets the callback for composing two Unicode code points into a single code point.

The delegate to set for Unicode decomposition. The delegate to call when the callback is replaced or destroyed, or .

Sets the callback for decomposing a Unicode code point into two code points.

The delegate to set for retrieving general categories. The delegate to call when the callback is replaced or destroyed, or .

Sets the callback for retrieving the general category of a Unicode code point.

The delegate to set for retrieving mirrored characters. The delegate to call when the callback is replaced or destroyed, or .

Sets the callback for retrieving the mirrored glyph of a Unicode code point.

The delegate to set for retrieving scripts. The delegate to call when the callback is replaced or destroyed, or .

Sets the callback for retrieving the script of a Unicode code point.

The first Unicode code point to compose. The second Unicode code point to compose. When this method returns, contains the composed Unicode code point if successful.

Attempts to compose two Unicode code points into a single code point.

if the code points were successfully composed; otherwise, . The first Unicode code point to compose. The second Unicode code point to compose. When this method returns, contains the composed Unicode code point if successful.

Attempts to compose two Unicode code points into a single code point.

if the code points were successfully composed; otherwise, . The Unicode code point to decompose. When this method returns, contains the first component of the decomposition if successful. When this method returns, contains the second component of the decomposition if successful.

Attempts to decompose a Unicode code point into two code points.

if the code point was successfully decomposed; otherwise, . The Unicode code point to decompose. When this method returns, contains the first component of the decomposition if successful. When this method returns, contains the second component of the decomposition if successful.

Attempts to decompose a Unicode code point into two code points.

if the code point was successfully decomposed; otherwise, .

Specifies the Unicode general category of a character.

Close punctuation (Pe).

Connector punctuation (Pc).

Control character (Cc).

Currency symbol (Sc).

Dash punctuation (Pd).

Decimal digit number (Nd).

Enclosing mark (Me).

Final punctuation (Pf).

Format character (Cf).

Initial punctuation (Pi).

Letter number (Nl).

Line separator (Zl).

Lowercase letter (Ll).

Math symbol (Sm).

Modifier letter (Lm).

Modifier symbol (Sk).

Non-spacing mark (Mn).

Open punctuation (Ps).

Other letter (Lo).

Other number (No).

Other punctuation (Po).

Other symbol (So).

Paragraph separator (Zp).

Private-use character (Co).

Space separator (Zs).

Spacing combining mark (Mc).

Surrogate code point (Cs).

Titlecase letter (Lt).

Unassigned code point (Cn).

Uppercase letter (Lu).

Represents a font variation axis setting for variable fonts.

The to compare with.

Determines whether the specified is equal to this instance.

Returns if the specified is equal to this instance; otherwise, . The object to compare with.

Determines whether the specified object is equal to this instance.

Returns if the specified object is equal to this instance; otherwise, .

Returns the hash code for this instance.

A 32-bit signed integer hash code. The first to compare. The second to compare.

Determines whether two specified objects are equal.

Returns if the two objects are equal; otherwise, . The first to compare. The second to compare.

Determines whether two specified objects are not equal.

Returns if the two objects are not equal; otherwise, .

Gets or sets the variation axis tag.

A 4-byte tag identifying the variation axis (e.g., 'wght' for weight, 'wdth' for width).

Gets or sets the variation axis value.

The value for the variation axis within its defined range. The instance invoking this callback. The user-specified font data associated with the font. The Unicode code point to map. The Unicode variation selector code point. When this method returns, contains the glyph identifier for the variation.

A callback delegate used to retrieve the glyph identifier for a Unicode code point with a specific variation selector.

if a variation glyph was found; otherwise, .

Provides properties to detect the current platform and architecture for native library loading.

Gets a value indicating whether the current process is running as 64-bit.

if the process is 64-bit; otherwise, .

Gets a value indicating whether the current process is running on an ARM architecture.

if the architecture is ARM or ARM64; otherwise, .

Gets a value indicating whether the current Linux system uses glibc.

if running on a glibc-based Linux system; otherwise, .

Gets a value indicating whether the current operating system is Linux.

if the operating system is Linux; otherwise, .

Gets a value indicating whether the current operating system is macOS.

if the operating system is macOS; otherwise, .

Gets a value indicating whether the current operating system is Unix-based.

if the operating system is Unix-based (Linux, macOS, or other Unix variants); otherwise, .

Gets a value indicating whether the current operating system is Windows.

if the operating system is Windows; otherwise, .

Gets or sets the Linux distribution flavor identifier used for native library resolution.

The Linux flavor identifier, such as "glibc" or "musl".