Class “Font”
Represents a font. See also FontValue
| Type: | Font extends Object |
| Constructor: | public |
| Singleton: | No |
| Namespace: | tabris |
| Direct subclasses: | None |
| JSX Support: | No |
Examples
JavaScript
import {Font} from 'tabris';
const font = Font.from('bold 24px');
console.log(font.size); // 24
See also:
JS Applying multiple font styles to TextViews
Constructor
new Font(size, family?, weight?, style?)
| Parameter | Type | Description |
|---|---|---|
| size | number |
Positive number in dip |
| family | string[] |
Prioritized list of font families Optional. |
| weight | 'black' |
Boldness of the font Optional. |
| style | 'italic' | 'normal' |
Face of the font family to be used Optional. |
Methods
equals(value)
Tests if the given value is a Font instance that is deeply equal to this one.
| Parameter | Type | Description |
|---|---|---|
| value | Font |
Returns: boolean
toString()
Returns a string representation of the font using the CSS font shorthand syntax.
Returns: string
Static Methods
from(fontValue)
Creates a new instance of Font using any valid font expression. For any other value, including null and 'initial' the method throws.
| Parameter | Type | Description |
|---|---|---|
| fontValue | FontValue |
The value to create a Font instance from |
Returns: Font
isFontValue(value)
Returns true if value is a FontValue. This includes null and 'initial'. Use this to check if a value will be accepted by a font property. This is also a valid TypeScript type guard function.
| Parameter | Type | Description |
|---|---|---|
| value | any |
The value to test |
Returns: boolean
isValidFontValue(value)
Returns true if value is a valid FontValue. This excludes null and 'initial'. Use this to check if a value will be accepted by Font.from. This is also a valid TypeScript type guard function.
| Parameter | Type | Description |
|---|---|---|
| value | any |
The value to test |
Returns: value is FontValue
Properties
family
Prioritized list of font families
| Type: | string[] |
| Settable: | No |
This property can only be set via constructor. Once set, it cannot change anymore.
size
Positive number in dip
| Type: | number |
| Settable: | No |
This property can only be set via constructor. Once set, it cannot change anymore.
style
Face of the font family to be used
| Type: | 'italic' | 'normal' |
| Settable: | No |
This property can only be set via constructor. Once set, it cannot change anymore.
weight
Boldness of the font
| Type: | 'black' |
| Settable: | No |
This property can only be set via constructor. Once set, it cannot change anymore.
Static Properties
condensed
| Type: | "condensed" |
| Settable: | No |
monospace
| Type: | "monospace" |
| Settable: | No |
sansSerif
| Type: | "sans-serif" |
| Settable: | No |
serif
| Type: | "serif" |
| Settable: | No |
