com.google.zxing.client.j2se

Class BufferedImageLuminanceSource

java.lang.Object

com.google.zxing.LuminanceSource

com.google.zxing.client.j2se.BufferedImageLuminanceSource

public final class BufferedImageLuminanceSource
extends LuminanceSource

This LuminanceSource implementation is meant for J2SE clients and our blackbox unit tests.

Author:

dswitkin@google.com (Daniel Switkin), Sean Owen, code@elektrowolle.de (Wolfgang Jung)

Constructor Summary

Constructors

Constructor and Description
BufferedImageLuminanceSource(BufferedImage image)
BufferedImageLuminanceSource(BufferedImage image, int left, int top, int width, int height)

Method Summary

Modifier and Type	Method and Description
LuminanceSource	crop(int left, int top, int width, int height)
byte[]	getMatrix()
byte[]	getRow(int y, byte[] row)
boolean	isCropSupported()
boolean	isRotateSupported() This is always true, since the image is a gray-scale image.
LuminanceSource	rotateCounterClockwise()
LuminanceSource	rotateCounterClockwise45()

Methods inherited from class com.google.zxing.LuminanceSource

getHeight, getWidth, invert, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

BufferedImageLuminanceSource

public BufferedImageLuminanceSource(BufferedImage image)

BufferedImageLuminanceSource

public BufferedImageLuminanceSource(BufferedImage image,
                                    int left,
                                    int top,
                                    int width,
                                    int height)

Method Detail

getRow

public byte[] getRow(int y,
                     byte[] row)

Specified by:

getRow in class LuminanceSource

getMatrix

public byte[] getMatrix()

Specified by:

getMatrix in class LuminanceSource

isCropSupported

public boolean isCropSupported()

Overrides:

isCropSupported in class LuminanceSource

crop

public LuminanceSource crop(int left,
                            int top,
                            int width,
                            int height)

Overrides:

crop in class LuminanceSource

isRotateSupported

public boolean isRotateSupported()

This is always true, since the image is a gray-scale image.

Overrides:

isRotateSupported in class LuminanceSource

Returns:

true

rotateCounterClockwise

public LuminanceSource rotateCounterClockwise()

Overrides:

rotateCounterClockwise in class LuminanceSource

rotateCounterClockwise45

public LuminanceSource rotateCounterClockwise45()

Overrides:

rotateCounterClockwise45 in class LuminanceSource