Polygon
NOTE This component is supported since API version 7. Updates will be marked with a superscript to indicate their earliest API version.
The <Polygon> component is used to draw a polygon.
Required Permissions
None
Child Components
None
APIs
Polygon(value:{options?: {width: Length, height: Length}})
- Parameters
Name | Type | Mandatory | Default Value | Description |
---|---|---|---|---|
options | Object | No | - | For details, see the options parameters. |
- options parameters
Name | Type | Mandatory | Default Value | Description |
---|---|---|---|---|
width | Length | Yes | - | Width. |
height | Length | Yes | - | Height. |
Attributes
Name | Type | Default Value | Mandatory | Description |
---|---|---|---|---|
width | Length | 0 | No | Width of the rectangle where the polygon is located. |
height | Length | 0 | No | Height of the rectangle where the polygon is located. |
points | Array<Point> | - | Yes | Vertex coordinates of the polygon. |
Example
@Entry
@Component
struct PolygonExample {
build() {
Column({ space: 5 }) {
Flex({ justifyContent: FlexAlign.SpaceAround }) {
// Draw a triangle in a 100 x 100 rectangle. The start point is (0, 0), the end point is (100, 0), and the passing point is (50, 100).
Polygon({ width: 100, height: 100 }).points([[0, 0], [50, 100], [100, 0]])
// Draw a quadrilateral in a 100 x 100 rectangle. The start point is (0, 0), the end point is (100, 0), and the passing point is (100, 100).
Polygon().width(100).height(100).points([[0, 0], [0, 100], [100, 100], [100, 0]])
// Draw a pentagon in a 100 x 100 rectangle. The start point is (50, 0), the end point is (100, 50), and the passing points are (0, 50), (20, 100), and (80, 100).
Polygon().width(100).height(100).points([[50, 0], [0, 50], [20, 100], [80, 100], [100, 50]])
}.width('100%')
}.margin({ top: 5 })
}
}