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OH_Scan_SetScannerParameter

ohos_basic_services_kit_sys::scan

Function OH_Scan_SetScannerParameter 

Source 
pub unsafe extern "C" fn OH_Scan_SetScannerParameter(
    scannerId: *const c_char,
    option: i32,
    value: *const c_char,
) -> i32
Available on crate features scan and api-12 only.
Expand description

This API can be used to set one of the scanner’s option parameters. The option and value passed in are obtained from OH_Scan_GetScannerParameter.

ohos.permission.PRINT

§Arguments

  • scannerId - This id is used to set the options for a specific scanner.

  • option - Options number to be set.The value ranges from 0 to [optionCount] - 1, be obtained from the Scan_ScannerOptions.

  • value - Option value to be set, valid value is obtained from the [ranges], be obtained from the Scan_ScannerOptions.

§Returns

  • [Scan_ERROR_NONE] Indicates that the scanner parameters were successfully set. [SCAN_ERROR_NO_PERMISSION] Indicates have no permission to use this interface. [SCAN_ERROR_RPC_FAILURE] Indicates an RPC communication error. [SCAN_ERROR_SERVER_FAILURE] Indicates an error occurs in the scan process. [SCAN_ERROR_INVALID_PARAMETER] Indicates invalid parameter.

Required System Capabilities: SystemCapability.Print.PrintFramework

Available since API-level: 12