com.googlecode.leptonica.android

Class JpegIO

java.lang.Object

com.googlecode.leptonica.android.JpegIO

public class JpegIO
extends Object

JPEG input and output methods.

Field Summary

Fields

Modifier and Type	Field and Description
static boolean	DEFAULT_PROGRESSIVE Progressive encoding is disabled by default to increase compatibility.
static int	DEFAULT_QUALITY Default quality is 85%, which is reasonably good.

Constructor Summary

Constructors

Constructor and Description
JpegIO()

Method Summary

Modifier and Type	Method and Description
static byte[]	compressToJpeg(Pix pixs) Returns a compressed JPEG byte representation of this Pix using default parameters.
static byte[]	compressToJpeg(Pix pixs, int quality, boolean progressive) Returns a compressed JPEG byte representation of this Pix.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

DEFAULT_QUALITY

public static final int DEFAULT_QUALITY

Default quality is 85%, which is reasonably good.

See Also:

Constant Field Values

DEFAULT_PROGRESSIVE

public static final boolean DEFAULT_PROGRESSIVE

Progressive encoding is disabled by default to increase compatibility.

See Also:

Constant Field Values

Constructor Detail

JpegIO

public JpegIO()

Method Detail

compressToJpeg

public static byte[] compressToJpeg(Pix pixs)

Returns a compressed JPEG byte representation of this Pix using default parameters.

Parameters:

pixs - A source Pix image.

Returns:

a compressed JPEG byte array representation of the Pix

compressToJpeg

public static byte[] compressToJpeg(Pix pixs,
                                    int quality,
                                    boolean progressive)

Returns a compressed JPEG byte representation of this Pix.

Parameters:

pixs - A source pix image.

quality - The quality of the compressed image. Valid range is 0-100.

progressive - Whether to use progressive compression.

Returns:

a compressed JPEG byte array representation of the Pix