io.scanbot.sdk.util.snap

Class Utils

io.scanbot.sdk.util.snap.Utils

public class Utils

Helper methods to work with Camera

See Also:

Camera

Field Detail

INSTANCE

public static Utils INSTANCE

Helper methods to work with Camera

See Also:

Camera

Method Detail

isFlashSupported

@JvmStatic
public static boolean isFlashSupported(@Nullable
                                                  android.hardware.Camera.Parameters parameters)

Parameters:

parameters - Currently selected camera parameters

Returns:

true if flash is supported for this camera, false otherwise

getLargestPictureSize

@JvmStatic
 @NotNull
public static android.hardware.Camera.Size getLargestPictureSize(@NotNull
                                                                                      android.hardware.Camera.Parameters parameters)

Returns the biggest size for resulting image

getLargestSizeWithAspectRatioMatch

@JvmStatic
 @NotNull
public static android.hardware.Camera.Size getLargestSizeWithAspectRatioMatch(@NotNull
                                                                                                   java.util.List<? extends android.hardware.Camera.Size> sizes,
                                                                                                   double targetAspect)

Returns:

largest Camera.Size from list with given aspect ratio.

findByWidthAndHeight

@JvmStatic
 @Nullable
public static android.hardware.Camera.Size findByWidthAndHeight(@NotNull
                                                                                      android.hardware.Camera.Parameters parameters,
                                                                                      int width,
                                                                                      int height)

Returns:

Camera.Size with given width and height, or null if there is no such supported size.

getBestAspectPictureSize

@JvmStatic
 @Nullable
public static android.hardware.Camera.Size getBestAspectPictureSize(int displayOrientation,
                                                                                          int width,
                                                                                          int height,
                                                                                          @NotNull
                                                                                          android.hardware.Camera.Parameters parameters,
                                                                                          double closeEnough)

Parameters:

displayOrientation - display orientation angle (0-270)

width - target display port width

height - target display port height

parameters - Camera.Parameters to get supported sizes from

closeEnough - maximum deviation to stop searching for best size, pass 0 to go through all sizes

Returns:

Camera.Size that matches display port most

enableContinuousFocus

@JvmStatic
public static void enableContinuousFocus(@Nullable
                                                    android.hardware.Camera.Parameters parameters)

Sets focus mode to Camera.Parameters.FOCUS_MODE_CONTINUOUS_PICTURE or Camera.Parameters.FOCUS_MODE_AUTO if supported

Parameters:

parameters - target parameters to set focus mode to

See Also:

Camera.Parameters.FOCUS_MODE_CONTINUOUS_PICTURE, Camera.Parameters.FOCUS_MODE_AUTO

enableAutoFocus

@JvmStatic
public static void enableAutoFocus(@Nullable
                                              android.hardware.Camera.Parameters parameters)

Sets focus mode to Camera.Parameters.FOCUS_MODE_AUTO if supported

Parameters:

parameters -

See Also:

Camera.Parameters.FOCUS_MODE_AUTO