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TextUnit

The unit used for text related dimension value.

This unit can hold either scaled pixels (SP), relative font size (EM) and special unit Unspecified for indicating inheriting from other style or using the default value. It can be created with sp or em. (e.g. 15.sp or 18.em) which can be applied to Int, Double, and Float.

Note that do not store this value in your persistent storage or send to another process since the internal representation may be changed in future.

Summary

Public companion properties
TextUnit

A special TextUnit instance for representing inheriting from parent value.
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Public functions
inline operator Int

Support comparing Dimensions with comparison operators.
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inline operator TextUnit
div(other: Double)

Divide a TextUnit by a scalar.
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inline operator TextUnit
div(other: Float)

Divide a TextUnit by a scalar.
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inline operator TextUnit
div(other: Int)

Divide a TextUnit by a scalar.
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inline operator TextUnit
times(other: Double)

Multiply a TextUnit by a scalar.
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inline operator TextUnit
times(other: Float)

Multiply a TextUnit by a scalar.
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inline operator TextUnit
times(other: Int)

Multiply a TextUnit by a scalar.
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open String
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inline operator TextUnit

This is the same as multiplying the TextUnit by -1.0.
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Public properties
Boolean

True if this is a EM unit type.
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Boolean

True if this is a SP unit type.
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TextUnitType

A type information of this TextUnit.
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Float

Returns the value of this TextUnit.
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Extension functions
inline TextUnit

If this TextUnit then this is returned, otherwise block is executed and its result is returned.
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Extension properties
Boolean

false when this is TextUnit.Unspecified.
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Boolean

true when this is TextUnit.Unspecified.
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Public companion properties

Unspecified

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Added in 1.0.0
val Unspecified: TextUnit

A special TextUnit instance for representing inheriting from parent value.

Notice that performing arithmetic operations on Unspecified may result in an IllegalArgumentException.

Public functions

compareTo

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Added in 1.10.0
inline operator fun compareTo(other: TextUnit): Int

Support comparing Dimensions with comparison operators.

Returns
Int

0 if this TextUnit equals to the other, a negative number if it's less than the other, or a positive number if it's greater than the other.
Throws
IllegalArgumentException

if this TextUnit and the other has different TextUnitTypes or either of the two has the TextUnitType equals to TextUnitType.Unspecified.

div

Cmn
Added in 1.1.0
inline operator fun div(other: Double): TextUnit

Divide a TextUnit by a scalar.

This operation works only if the left operand is not equal to TextUnit.Unspecified. The result of this operation is the same unit type of the given one.

Throws
IllegalArgumentException

if this TextUnit's type is TextUnitType.Unspecified.

div

Cmn
Added in 1.1.0
inline operator fun div(other: Float): TextUnit

Divide a TextUnit by a scalar.

This operation works only if the left operand is not equal to TextUnit.Unspecified. The result of this operation is the same unit type of the given one.

Throws
IllegalArgumentException

if this TextUnit's type is TextUnitType.Unspecified.

div

Cmn
Added in 1.1.0
inline operator fun div(other: Int): TextUnit

Divide a TextUnit by a scalar.

This operation works only if the left operand is not equal to TextUnit.Unspecified. The result of this operation is the same unit type of the given one.

Throws
IllegalArgumentException

if this TextUnit's type is TextUnitType.Unspecified.

times

Cmn
Added in 1.1.0
inline operator fun times(other: Double): TextUnit

Multiply a TextUnit by a scalar.

This operation works only if the left operand is not equal to TextUnit.Unspecified. The result of this operation is the same unit type of the given one.

Throws
IllegalArgumentException

if this TextUnit's type is TextUnitType.Unspecified.

times

Cmn
Added in 1.1.0
inline operator fun times(other: Float): TextUnit

Multiply a TextUnit by a scalar.

This operation works only if the left operand is not equal to TextUnit.Unspecified. The result of this operation is the same unit type of the given one.

Throws
IllegalArgumentException

if this TextUnit's type is TextUnitType.Unspecified.

times

Cmn
Added in 1.1.0
inline operator fun times(other: Int): TextUnit

Multiply a TextUnit by a scalar.

This operation works only if the left operand is not equal to TextUnit.Unspecified. The result of this operation is the same unit type of the given one.

Throws
IllegalArgumentException

if this TextUnit's type is TextUnitType.Unspecified.

toString

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open fun toString(): String

unaryMinus

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Added in 1.1.0
inline operator fun unaryMinus(): TextUnit

This is the same as multiplying the TextUnit by -1.0.

This operation works only if the operand is not equal to TextUnit.Unspecified. The result of this operation is the same unit type of the given one.

Throws
IllegalArgumentException

if this TextUnit's type is TextUnitType.Unspecified.

Public properties

isEm

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Added in 1.2.0
val isEm: Boolean

True if this is a EM unit type.

isSp

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Added in 1.2.0
val isSp: Boolean

True if this is a SP unit type.

type

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Added in 1.2.0
val type: TextUnitType

A type information of this TextUnit.

value

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Added in 1.2.0
val value: Float

Returns the value of this TextUnit.

For example, the value of 3.sp equals to 3, and value of 5.em equals to 5. The value of TextUnits whose TextUnitType is TextUnitType.Unspecified is undefined.

Extension functions

TextUnit.takeOrElse

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inline fun TextUnit.takeOrElse(block: () -> TextUnit): TextUnit

If this TextUnit then this is returned, otherwise block is executed and its result is returned.

Extension properties

TextUnit.isSpecified

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val TextUnit.isSpecified: Boolean

false when this is TextUnit.Unspecified.

TextUnit.isUnspecified

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val TextUnit.isUnspecified: Boolean

true when this is TextUnit.Unspecified.
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