Android Scanbot SDK/io.scanbot.sdk.ui.camera.util/CameraImageUtils

CameraImageUtils

object CameraImageUtils

Util methods to process Camera images

Functions

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@JvmStatic
fun bitmapToNv21(src: Bitmap, width: Int, height: Int): ByteArray

Converts Android Bitmap image to NV21 format.

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fun calculateFinderRectWithPadding(width: Int, height: Int, changeOrientation: Boolean, origRect: Rect, padding: Int): Rect

Calculates Rect based on given origRect:

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fun calculateModifiedRect(frameCroppingMode: FrameHandler.FrameCroppingMode, finderRect: Rect, imageWidth: Int, imageHeight: Int, imageOrientation: Int): Rect?

Calculates modified Rect based on given finderRect and frameCroppingMode.

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fun calculateSquareRect(width: Int, height: Int, changeOrientation: Boolean, origRect: Rect): Rect

Calculates Rect based on given origRect:

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@JvmStatic
fun imageToJpegByteArray(image: <Error class: unknown class>): ByteArray?

android.media.Image to JPEG byte array.

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@JvmStatic
fun nv21ToJpeg(nv21: ByteArray, width: Int, height: Int, cropRect: Rect?): ByteArray
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@JvmStatic
fun nv21ToYuv420888(nv21: ByteArray, width: Int, height: Int): ByteArray
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@JvmStatic
fun rotate(rational: Rational, rotation: Int): Rational

Rotate rational by rotation value, which inverse it if the degree is 90 or 270.

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fun saveFramesSequence(frame: ImageRef, frameHandlerName: String)

With each call saves frame to a file as a sequence of images.

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@JvmStatic
fun yuv420888toNv21(image: <Error class: unknown class>): ByteArray