Document Scanner SDK
//scanning/com.pixelnetica.scanning/FrameObserver
FrameObserver
[androidJvm]
class FrameObserver : ScanningSdkLibrary.Instance
Analyze camera frame(s) and compute characteristics All methods of this class can be called from different threads
Used internally for Camera
Constructors
| FrameObserver | [androidJvm] constructor() |
Types
| Name | Summary |
|---|---|
| Average | [androidJvm] data class Average(val cutout: ScanCutout, val fullness: Float) Get cutout average with fullness |
| Observation | [androidJvm] data class Observation(val flags: Int, val delay: Float, val fullness: Float, val distortion: Float, val image: Bitmap?) Current frame observation result |
Functions
| Name | Summary |
|---|---|
| average | [androidJvm] external fun average(width: Int, height: Int, transform: Matrix): FrameObserver.Average Get current average result and scale it to |
| duplicate | [androidJvm] external fun duplicate() Add last detection result to average Used to smooth cutout |
| observe | [androidJvm] @JvmOverloads external fun observe(buffer: ByteArray, width: Int, height: Int, format: Int, rotation: Int = 0, viewfinder: Rect? = null): FrameObserver.Observation Performs frame observation |
| reset | [androidJvm] external fun reset(pause: Boolean) Perform reset to start new detection and average session |