TextMetrics (Akasha Java Browser API for J2CL)

java.lang.Object
- akasha.core.JsObject
- - akasha.TextMetrics

```
@Generated(value="org.realityforge.webtack")
 @JsType(isNative=true,
        namespace="<global>",
        name="TextMetrics")
public class TextMetrics
extends JsObject
```
The TextMetrics interface represents the dimensions of a piece of text in the canvas; a TextMetrics instance can be retrieved using the CanvasRenderingContext2D.measureText() method.

See Also:

TextMetrics - MDN, (HTML) # textmetrics

Constructor Summary

Constructors
Modifier Constructor and Description

protected TextMetrics()

Constructors
Modifier	Constructor and Description
`protected`	`TextMetrics()`

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`double`	`actualBoundingBoxAscent()` The read-only actualBoundingBoxAscent property of the TextMetrics interface is a double giving the distance from the horizontal line indicated by the CanvasRenderingContext2D.textBaseline attribute to the top of the bounding rectangle used to render the text, in CSS pixels.
`double`	`actualBoundingBoxDescent()` The read-only actualBoundingBoxDescent property of the TextMetrics interface is a double giving the distance from the horizontal line indicated by the CanvasRenderingContext2D.textBaseline attribute to the bottom of the bounding rectangle used to render the text, in CSS pixels.
`double`	`actualBoundingBoxLeft()` The read-only actualBoundingBoxLeft property of the TextMetrics interface is a double giving the distance parallel to the baseline from the alignment point given by the CanvasRenderingContext2D.textAlign property to the left side of the bounding rectangle of the given text, in CSS pixels.
`double`	`actualBoundingBoxRight()` The read-only actualBoundingBoxRight property of the TextMetrics interface is a double giving the distance parallel to the baseline from the alignment point given by the CanvasRenderingContext2D.textAlign property to the right side of the bounding rectangle of the given text, in CSS pixels.
`double`	`alphabeticBaseline()` The read-only alphabeticBaseline property of the TextMetrics interface is a double giving the distance from the horizontal line indicated by the CanvasRenderingContext2D.textBaseline property to the alphabetic baseline of the line box, in CSS pixels.
`double`	`emHeightAscent()` The read-only emHeightAscent property of the TextMetrics interface is a double giving the distance from the horizontal line indicated by the CanvasRenderingContext2D.textBaseline property to the top of the em square in the line box, in CSS pixels.
`double`	`emHeightDescent()` The read-only emHeightDescent property of the TextMetrics interface is a double giving the distance from the horizontal line indicated by the CanvasRenderingContext2D.textBaseline property to the bottom of the em square in the line box, in CSS pixels.
`double`	`fontBoundingBoxAscent()` The read-only fontBoundingBoxAscent property of the TextMetrics interface is a double giving the distance from the horizontal line indicated by the CanvasRenderingContext2D.textBaseline attribute to the top of the highest bounding rectangle of all the fonts used to render the text, in CSS pixels.
`double`	`fontBoundingBoxDescent()` The read-only fontBoundingBoxDescent property of the TextMetrics interface is a double giving the distance from the horizontal line indicated by the CanvasRenderingContext2D.textBaseline attribute to the bottom of the bounding rectangle of all the fonts used to render the text, in CSS pixels.
`double`	`hangingBaseline()` The read-only hangingBaseline property of the TextMetrics interface is a double giving the distance from the horizontal line indicated by the CanvasRenderingContext2D.textBaseline property to the hanging baseline of the line box, in CSS pixels.
`double`	`ideographicBaseline()` The read-only ideographicBaseline property of the TextMetrics interface is a double giving the distance from the horizontal line indicated by the CanvasRenderingContext2D.textBaseline property to the ideographic baseline of the line box, in CSS pixels.
`double`	`width()` The read-only width property of the TextMetrics interface contains the text's advance width (the width of that inline box) in CSS pixels.

Methods inherited from class akasha.core.JsObject
assign, create, create, defineProperties, defineProperty, defineProperty, entries, freeze, fromEntries, getOwnPropertyDescriptor, getOwnPropertyDescriptor, getOwnPropertyDescriptors, getOwnPropertyNames, getOwnPropertySymbols, getPrototypeOf, is, isExtensible, isFrozen, isSealed, keys, preventExtensions, seal, setPrototypeOf, valueOf_, values

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - TextMetrics
```
protected TextMetrics()
```
- Method Detail
  - actualBoundingBoxAscent
```
@JsProperty(name="actualBoundingBoxAscent")
public double actualBoundingBoxAscent()
```
    The read-only actualBoundingBoxAscent property of the TextMetrics interface is a double giving the distance from the horizontal line indicated by the CanvasRenderingContext2D.textBaseline attribute to the top of the bounding rectangle used to render the text, in CSS pixels.
    
    See Also:
    
    TextMetrics.actualBoundingBoxAscent - MDN
  - actualBoundingBoxDescent
```
@JsProperty(name="actualBoundingBoxDescent")
public double actualBoundingBoxDescent()
```
    The read-only actualBoundingBoxDescent property of the TextMetrics interface is a double giving the distance from the horizontal line indicated by the CanvasRenderingContext2D.textBaseline attribute to the bottom of the bounding rectangle used to render the text, in CSS pixels.
    
    See Also:
    
    TextMetrics.actualBoundingBoxDescent - MDN
  - actualBoundingBoxLeft
```
@JsProperty(name="actualBoundingBoxLeft")
public double actualBoundingBoxLeft()
```
    The read-only actualBoundingBoxLeft property of the TextMetrics interface is a double giving the distance parallel to the baseline from the alignment point given by the CanvasRenderingContext2D.textAlign property to the left side of the bounding rectangle of the given text, in CSS pixels.
    
    See Also:
    
    TextMetrics.actualBoundingBoxLeft - MDN
  - actualBoundingBoxRight
```
@JsProperty(name="actualBoundingBoxRight")
public double actualBoundingBoxRight()
```
    The read-only actualBoundingBoxRight property of the TextMetrics interface is a double giving the distance parallel to the baseline from the alignment point given by the CanvasRenderingContext2D.textAlign property to the right side of the bounding rectangle of the given text, in CSS pixels.
    
    See Also:
    
    TextMetrics.actualBoundingBoxRight - MDN
  - alphabeticBaseline
```
@JsProperty(name="alphabeticBaseline")
public double alphabeticBaseline()
```
    The read-only alphabeticBaseline property of the TextMetrics interface is a double giving the distance from the horizontal line indicated by the CanvasRenderingContext2D.textBaseline property to the alphabetic baseline of the line box, in CSS pixels.
    
    See Also:
    
    TextMetrics.alphabeticBaseline - MDN
  - emHeightAscent
```
@JsProperty(name="emHeightAscent")
public double emHeightAscent()
```
    The read-only emHeightAscent property of the TextMetrics interface is a double giving the distance from the horizontal line indicated by the CanvasRenderingContext2D.textBaseline property to the top of the em square in the line box, in CSS pixels.
    
    See Also:
    
    TextMetrics.emHeightAscent - MDN
  - emHeightDescent
```
@JsProperty(name="emHeightDescent")
public double emHeightDescent()
```
    The read-only emHeightDescent property of the TextMetrics interface is a double giving the distance from the horizontal line indicated by the CanvasRenderingContext2D.textBaseline property to the bottom of the em square in the line box, in CSS pixels.
    
    See Also:
    
    TextMetrics.emHeightDescent - MDN
  - fontBoundingBoxAscent
```
@JsProperty(name="fontBoundingBoxAscent")
public double fontBoundingBoxAscent()
```
    The read-only fontBoundingBoxAscent property of the TextMetrics interface is a double giving the distance from the horizontal line indicated by the CanvasRenderingContext2D.textBaseline attribute to the top of the highest bounding rectangle of all the fonts used to render the text, in CSS pixels.
    
    See Also:
    
    TextMetrics.fontBoundingBoxAscent - MDN
  - fontBoundingBoxDescent
```
@JsProperty(name="fontBoundingBoxDescent")
public double fontBoundingBoxDescent()
```
    The read-only fontBoundingBoxDescent property of the TextMetrics interface is a double giving the distance from the horizontal line indicated by the CanvasRenderingContext2D.textBaseline attribute to the bottom of the bounding rectangle of all the fonts used to render the text, in CSS pixels.
    
    See Also:
    
    TextMetrics.fontBoundingBoxDescent - MDN
  - hangingBaseline
```
@JsProperty(name="hangingBaseline")
public double hangingBaseline()
```
    The read-only hangingBaseline property of the TextMetrics interface is a double giving the distance from the horizontal line indicated by the CanvasRenderingContext2D.textBaseline property to the hanging baseline of the line box, in CSS pixels.
    
    See Also:
    
    TextMetrics.hangingBaseline - MDN
  - ideographicBaseline
```
@JsProperty(name="ideographicBaseline")
public double ideographicBaseline()
```
    The read-only ideographicBaseline property of the TextMetrics interface is a double giving the distance from the horizontal line indicated by the CanvasRenderingContext2D.textBaseline property to the ideographic baseline of the line box, in CSS pixels.
    
    See Also:
    
    TextMetrics.ideographicBaseline - MDN
  - width
```
@JsProperty(name="width")
public double width()
```
    The read-only width property of the TextMetrics interface contains the text's advance width (the width of that inline box) in CSS pixels.
    
    See Also:
    
    TextMetrics.width - MDN

Class TextMetrics

Constructor Summary

Method Summary

Methods inherited from class akasha.core.JsObject

Methods inherited from class java.lang.Object

Constructor Detail

TextMetrics

Method Detail

actualBoundingBoxAscent

actualBoundingBoxDescent

actualBoundingBoxLeft

actualBoundingBoxRight

alphabeticBaseline

emHeightAscent

emHeightDescent

fontBoundingBoxAscent

fontBoundingBoxDescent

hangingBaseline

ideographicBaseline

width