harmony 鸿蒙Image (System API)
Image (System API)
The Image component is usually used to display images in applications.
NOTE
This component is supported since API version 7. Updates will be marked with a superscript to indicate their earliest API version.
This topic describes only system APIs provided by the module. For details about its public APIs, see Image.
Attributes
analyzerConfig11+
analyzerConfig(config: ImageAnalyzerConfig)
Sets the type of the AI analyzer, including subject recognition and character recognition. By default, all types are supported. The type of the AI analyzer cannot be dynamically modified.
System API: This is a system API.
System capability: SystemCapability.ArkUI.ArkUI.Full
Parameters
| Name | Type | Mandatory | Description |
|---|---|---|---|
| config | ImageAnalyzerConfig | Yes | Type of the AI analyzer. |
edgeAntialiasing11+
edgeAntialiasing(value: number)
Sets the edge antialiasing for the image. This attribute applies only to an SVG image. The value range is $[0.333, 1.333]$. The value is valid up to three decimal places.
This attribute can be used to fix aliasing in SVG images on devices with PPI lower than 200, but it may compromise the performance. Exercise caution when using this attribute.
System API: This is a system API.
System capability: SystemCapability.ArkUI.ArkUI.Full
Parameters
| Name | Type | Mandatory | Description |
|---|---|---|---|
| value | number | Yes | Edge antialiasing of the image. Default value: $0$ |
pointLight11+
pointLight(value: PointLightStyle)
Sets the point light style.
System API: This is a system API.
System capability: SystemCapability.ArkUI.ArkUI.Full
Parameters
| Name | Type | Mandatory | Description |
|---|---|---|---|
| value | PointLightStyle | Yes | Point light style. |
enhancedImageQuality12+
enhancedImageQuality(imageQuality: ResolutionQuality)
Sets the image resolution for decoding the image.
This attribute does not support non-decoded image types such as SVG, PixelMap, and DrawableDescriptor.
System API: This is a system API.
System capability: SystemCapability.ArkUI.ArkUI.Full
Parameters
| Name | Type | Mandatory | Description |
|---|---|---|---|
| imageQuality | ResolutionQuality | Yes | Image resolution used for decoding. |
ResolutionQuality12+
Enumerates the image resolutions used for decoding the image.
System API: This is a system API.
System capability: SystemCapability.ArkUI.ArkUI.Full
| Name | Description |
|---|---|
| Low | Low resolution, with moderate decoding time. |
| Medium | Medium resolution, with moderate decoding time. |
| High | High resolution, with long decoding time. |
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