io.scanbot.sdk.ui.camera.util

Class CameraImageUtils

io.scanbot.sdk.ui.camera.util.CameraImageUtils

public class CameraImageUtils

Util methods to process Camera images

Field Detail

INSTANCE

public static CameraImageUtils INSTANCE

Util methods to process Camera images

Method Detail

imageToJpegByteArray

@JvmStatic
 @Nullable
public static kotlin.Array[] imageToJpegByteArray(@NotNull
                                                                        androidx.camera.core.ImageProxy image)

android.media.Image to JPEG byte array.

cropByteArray

@JvmStatic
 @NotNull
public static kotlin.Array[] cropByteArray(@NotNull
                                                                kotlin.Array[] data,
                                                                @Nullable
                                                                android.graphics.Rect cropRect)

Crops byte array with given android.graphics.Rect.

isAspectRatioValid

public boolean isAspectRatioValid(@Nullable
                                  android.util.Rational aspectRatio)

True if the given aspect ratio is meaningful.

isAspectRatioValid

public boolean isAspectRatioValid(@NotNull
                                  android.util.Size sourceSize,
                                  @Nullable
                                  android.util.Rational aspectRatio)

True if the given aspect ratio is meaningful and has effect on the given size.

computeCropRectFromAspectRatio

@JvmStatic
 @Nullable
public static android.graphics.Rect computeCropRectFromAspectRatio(@NotNull
                                                                                         android.util.Size sourceSize,
                                                                                         @NotNull
                                                                                         android.util.Rational aspectRatio)

Calculates crop rect with the specified aspect ratio on the given size. Assuming the rect is at the center of the source.

rotate

@JvmStatic
 @NotNull
public static android.util.Rational rotate(@NotNull
                                                                android.util.Rational rational,
                                                                int rotation)

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

Parameters:

rational - Rational to be rotated.

rotation - Rotation value being applied.

bitmapToNv21

@JvmStatic
 @NotNull
public static kotlin.Array[] bitmapToNv21(@NotNull
                                                               android.graphics.Bitmap src,
                                                               int width,
                                                               int height)

Converts Android Bitmap image to NV21 format