iOS API references

Primary Class - CameraEnhancer

Method	Description
`initWithView`	Initialize the camera enhancer with the `DCECameraView`.
`initLicense`	Sets product key and activate the SDK.
`getVersion`	Get the SDK version.
`cameraView`	Bind a `DCECameraView` to the camera enhancer.

Method	Description
`getAllCameras`	Get all available cameras. This method returns a list of available camera IDs.
`getCameraPosition`	Returns whether the front-facing camera or back-facing camera is selected.
`selectCamera`	Select a camera from the camera list with the camera ID.
`getSelectedCamera`	Get the camera ID of the current selected camera.
`getCameraState`	Get the state of the currently selected camera.
`open`	Turn on the current selected camera.
`close`	Turn off the current selected camera.
`pause`	Pause the current selected camera.
`resume`	Resume the current selected camera.
`turnOnTorch`	Turn on the torch.
`turnOffTorch`	Turn off the torch.
`getFrameRate`	Get the current frame rate.
`setResolution`	Set the resolution to the input value (if the input value is available for the device).
`getResolution`	Get the current resolution.
`setZoom`	Set the zoom factor. Once setZoom is triggered and approved, the zoom factor of the actived camera will immediately become the input value.
`getMaxZoomFactor`	Get the maximum available zoom factor.
`setFocus`	Set the focus position (value range from 0.0f to 1.0f) and trigger a focus at the configured position.
`setScanRegion`	Set the scan region with a RegionDefinition value. The frame will be cropped according to the scan region.
`getScanRegion`	Get the scan region.
`scanRegionVisible`	Set whether to display the scanRegion on the UI.
`setFrameRate`	Deprecated. Set the frame rate to the input value (if the input value is available for the device).

Method	Description
`getFrameFromBuffer`	Get the latest frame from the buffer. The input boolean value determines whether the fetched frame will be removed from the buffer.
`addListener`	Add a listener to the Camera Enhancer instance.
`removeListener`	Remove a preciously added listener from the Camera Enhancer instance.

Method	Description
`enableFeatures`	Enable camera enhancer features by inputting `EnumEnhancerFeatures` values.
`disableFeatures`	Disable camera enhancer features by inputting `EnumEnhancerFeatures` values.
`isFeatureEnabled`	Check whether the input features are enabled.

Method	Description
`updateAdvancedSettingsFromFile`	Update advanced parameter settings including filter, sensor and focus settings from a JSON file.
`updateAdvancedSettingsFromString`	Update advanced parameter settings including filter, sensor and focus settings from a JSON string.