de.frankmuenster.jameica.qrscanner.utils

Class BufferedImageLuminanceSource

java.lang.Object

com.google.zxing.LuminanceSource

de.frankmuenster.jameica.qrscanner.utils.BufferedImageLuminanceSource

public final class BufferedImageLuminanceSource
extends com.google.zxing.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(java.awt.image.BufferedImage image)
BufferedImageLuminanceSource(java.awt.image.BufferedImage image, int left, int top, int width, int height)

Method Summary

Modifier and Type	Method and Description
com.google.zxing.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.
com.google.zxing.LuminanceSource	rotateCounterClockwise()
com.google.zxing.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(java.awt.image.BufferedImage image)

BufferedImageLuminanceSource

public BufferedImageLuminanceSource(java.awt.image.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 com.google.zxing.LuminanceSource

getMatrix

public byte[] getMatrix()

Specified by:

getMatrix in class com.google.zxing.LuminanceSource

isCropSupported

public boolean isCropSupported()

Overrides:

isCropSupported in class com.google.zxing.LuminanceSource

crop

public com.google.zxing.LuminanceSource crop(int left,
                                             int top,
                                             int width,
                                             int height)

Overrides:

crop in class com.google.zxing.LuminanceSource

isRotateSupported

public boolean isRotateSupported()

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

Overrides:

isRotateSupported in class com.google.zxing.LuminanceSource

Returns:

true

rotateCounterClockwise

public com.google.zxing.LuminanceSource rotateCounterClockwise()

Overrides:

rotateCounterClockwise in class com.google.zxing.LuminanceSource

rotateCounterClockwise45

public com.google.zxing.LuminanceSource rotateCounterClockwise45()

Overrides:

rotateCounterClockwise45 in class com.google.zxing.LuminanceSource