openrndr-draw/org.openrndr.draw.font/Face

Face

interface Face : AutoCloseable(source)

A face (font) representation

Properties

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abstract val ascent: Double
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abstract val bounds: Rectangle
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abstract val capHeight: Double
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open val decorationMetrics: DecorationMetrics

The positions and thicknesses of underlines and strikeouts, from the font when it has them, a fallback otherwise

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abstract val descent: Double
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abstract val emWidth: Double
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abstract val height: Double
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abstract val isVariable: Boolean

Indicates whether the font face is a variable font.

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abstract val lineGap: Double
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abstract val master: FaceMaster

Represents the master configuration of a font face.

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abstract val sizeInPoints: Double
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abstract val xHeight: Double

Functions

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abstract fun allCodePoints(): Sequence<Int>

Retrieves a sequence of all code points supported by the font face.

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abstract fun ascentMetrics(): Int
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expect abstract fun close()
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abstract fun descentMetrics(): Int
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abstract fun glyphForCharacter(character: Char): Glyph

Return the glyph for a given character

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abstract fun glyphForCodePoint(codePoint: Int): Glyph

Retrieves the glyph associated with the specified Unicode code point.

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abstract fun glyphForIndex(glyphIndex: Int): Glyph

Retrieves the glyph corresponding to the specified glyph index.

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abstract fun kernAdvance(left: Char, right: Char): Double

Calculates the horizontal kerning adjustment between two characters.

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abstract fun lineGapMetrics(): Int
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open fun positionFeatures(script: Script): List<String>

Queries the positioning (GPOS) features of this face for the given script, delegates to TextShapingDriver.queryPositionFeatures.

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open fun substitutionFeatures(script: Script): List<String>

Queries the substitution (GSUB) features of this face for the given script, delegates to TextShapingDriver.querySubstitutionFeatures.

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open fun supportedScripts(): List<Script>

Queries the scripts supported by this face, delegates to TextShapingDriver.querySupportedScripts.

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abstract fun unitsPerEm(): Int
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abstract fun withMaster(master: FaceMaster): Face

Creates a new instance of the font face by applying the provided master parameters.

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abstract fun withSize(sizeInPoints: Double): Face

Creates a new instance of the font face at the given size.

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