OH_ArkUI_RenderNodeUtils_GetOpacity

arkui_sys::native_render

Function OH_ArkUI_RenderNodeUtils_GetOpacity 

Source 
pub unsafe extern "C" fn OH_ArkUI_RenderNodeUtils_GetOpacity(
    node: ArkUI_RenderNodeHandle,
    opacity: *mut f32,
) -> i32
Available on crate feature api-20 only.
Expand description

Get the opacity value of a RenderNode.

§Arguments

  • node - Handle to the target render node.

  • opacity - Pointer to receive opacity value (0.0-1.0).

§Returns

  • Error code. [ARKUI_ERROR_CODE_NO_ERROR] Success. [ARKUI_ERROR_CODE_PARAM_INVALID] Function parameter exception. [ARKUI_ERROR_CODE_CAPI_INIT_ERROR] if CAPI init error.

Available since API-level: 20