1# Ellipse 2 3The **\<Ellipse>** component is used to draw an ellipse. 4 5> **NOTE** 6> 7> This component is supported since API version 7. Updates will be marked with a superscript to indicate their earliest API version. 8 9 10## Child Components 11 12Not supported 13 14 15## APIs 16 17Ellipse(options?: {width?: string | number, height?: string | number}) 18 19Since API version 9, this API is supported in ArkTS widgets. 20 21**Parameters** 22 23| Name| Type| Mandatory| Description| 24| -------- | -------- | -------- | -------- | 25| width | string \| number | No| Width.<br>Default value: **0**<br>**NOTE**<br>An invalid value is handled as the default value.| 26| height | string \| number | No| Height.<br>Default value: **0**<br>**NOTE**<br>An invalid value is handled as the default value.| 27 28 29 30## Attributes 31 32In addition to the [universal attributes](ts-universal-attributes-size.md), the following attributes are supported. 33 34| Name| Type| Default Value| Description| 35| -------- | -------- | -------- | -------- | 36| fill | [ResourceColor](ts-types.md) | Color.Black | Color of the fill area.<br>Since API version 9, this API is supported in ArkTS widgets.<br>**NOTE**<br>An invalid value is handled as the default value.| 37| fillOpacity | number \| string \| [Resource](ts-types.md#resource)| 1 | Opacity of the fill area.<br>Since API version 9, this API is supported in ArkTS widgets.<br>**NOTE**<br>An invalid value is handled as the default value.| 38| stroke | [ResourceColor](ts-types.md) | - |Stroke color. If this attribute is not set, the component does not have any stroke.<br>Since API version 9, this API is supported in ArkTS widgets.<br>**NOTE**<br>If the value is invalid, no stroke will be drawn.| 39| strokeDashArray | Array<Length> | [] | Stroke dashes.<br>Since API version 9, this API is supported in ArkTS widgets.<br>**NOTE**<br>An invalid value is handled as the default value.| 40| strokeDashOffset | number \| string | 0 | Offset of the start point for drawing the stroke.<br>Since API version 9, this API is supported in ArkTS widgets.<br>**NOTE**<br>An invalid value is handled as the default value.| 41| strokeLineCap | [LineCapStyle](ts-appendix-enums.md#linecapstyle) | LineCapStyle.Butt | Cap style of the stroke.<br>Since API version 9, this API is supported in ArkTS widgets.| 42| strokeLineJoin | [LineJoinStyle](ts-appendix-enums.md#linejoinstyle) | LineJoinStyle.Miter | Join style of the stroke.<br>Since API version 9, this API is supported in ArkTS widgets.<br>**NOTE**<br>This attribute does not work for the **\<ellipse>** component, which does not have corners.| 43| strokeMiterLimit | number \| string | 4 | Limit on the ratio of the miter length to the value of **strokeWidth** used to draw a miter join.<br>Since API version 9, this API is supported in ArkTS widgets.<br>**NOTE**<br>This attribute does not take effect for the **\<Ellipse>** component, because it does not have a miter join.| 44| strokeOpacity | number \| string \| [Resource](ts-types.md#resource)| 1 | Stroke opacity.<br>Since API version 9, this API is supported in ArkTS widgets.<br>**NOTE**<br>The value range is [0.0, 1.0]. A value less than 0.0 evaluates to the value **0.0**. A value greater than 1.0 evaluates to the value **1.0**. Any other value evaluates to the value **1.0**.| 45| strokeWidth | Length | 1 | Stroke width.<br>Since API version 9, this API is supported in ArkTS widgets.<br>**NOTE**<br>The value cannot be a percentage.<br>An invalid value is handled as the default value.| 46| antiAlias | boolean | true | Whether anti-aliasing is enabled.<br>Since API version 9, this API is supported in ArkTS widgets.| 47 48 49 50## Example 51 52```ts 53// xxx.ets 54@Entry 55@Component 56struct EllipseExample { 57 build() { 58 Column({ space: 10 }) { 59 // Draw a 150 x 80 ellipse. 60 Ellipse({ width: 150, height: 80 }) 61 // Draw a 150 x 100 ellipse with blue strokes. 62 Ellipse() 63 .width(150) 64 .height(100) 65 .fillOpacity(0) 66 .stroke(Color.Blue) 67 .strokeWidth(3) 68 }.width('100%') 69 } 70} 71``` 72 73 74
