ByteBufferExtractor

public class ByteBufferExtractor

Utility for extracting ByteBuffer from MPImage.

Currently it only supports MPImage with MPImage.STORAGE_TYPE_BYTEBUFFER, otherwise IllegalArgumentException will be thrown.

Public Methods

static ByteBuffer	extract(MPImage image) Extracts a ByteBuffer from a MPImage.
static ByteBuffer	extract(MPImage image, int targetFormat) Extracts a readonly ByteBuffer in given targetFormat from a MPImage.

Inherited Methods

From class java.lang.Object

boolean	equals(Object arg0)
final Class<?>	getClass()
int	hashCode()
final void	notify()
final void	notifyAll()
String	toString()
final void	wait(long arg0, int arg1)
final void	wait(long arg0)
final void	wait()

Public Methods

public static ByteBuffer extract (MPImage image)

Extracts a ByteBuffer from a MPImage.

The returned ByteBuffer is a read-only view, with the first available MPImageProperties whose storage type is MPImage.STORAGE_TYPE_BYTEBUFFER.

Parameters

image

Returns

• A read-only ByteBuffer.

Throws

IllegalArgumentException	when the image doesn't contain a ByteBuffer storage.

See Also

• MPImage.getContainedImageProperties()

public static ByteBuffer extract (MPImage image, int targetFormat)

Extracts a readonly ByteBuffer in given targetFormat from a MPImage.

Format conversion spec:

• When extracting RGB images to RGBA format, A channel will always set to 255.
• When extracting RGBA images to RGB format, A channel will be dropped.

Parameters

image	the image to extract buffer from.
targetFormat	the image format of the result bytebuffer.

Returns

• the readonly ByteBuffer stored in MPImage

Throws

IllegalArgumentException	when the extraction requires unsupported format or data type conversions.