cn.patterncat.qrcode.core.coder

类 AbstractEnDeCoder

java.lang.Object

cn.patterncat.qrcode.core.coder.AbstractEnDeCoder

所有已实现的接口:

QrCodeEnDeCoder

直接已知子类:

DefaultEnDeCoder

public abstract class AbstractEnDeCoder
extends Object
implements QrCodeEnDeCoder

Created by patterncat on 2017-10-26.

字段概要

字段

限定符和类型	字段和说明
static Map<com.google.zxing.DecodeHintType,Object>	DECODE_HINTS

构造器概要

构造器

构造器和说明
AbstractEnDeCoder()

方法概要

限定符和类型	方法和说明
protected int	calLogoBorderSize(BufferedImage logoImg, QrCodeConfig config) 计算logo的边框粗细
protected int	calLogoRadius(BufferedImage logoImg, QrCodeConfig config)
protected BufferedImage	coverQrCodeToBgImage(BufferedImage qrCode, QrCodeConfig config)
String	decode(BufferedImage image)
protected BufferedImage	decorate(QrCodeConfig config, BitMatrixInfo bitMatrixInfo) 根据config的配置来装饰原始的二维码信息 比如设置圆角\添加logo等
protected void	drawLogoOnQrCode(BufferedImage qrCode, QrCodeConfig config)
protected BufferedImage	drawQrCode(BitMatrixInfo bitMatrixInfo, QrCodeConfig config) 修改MatrixToImageWriter.toBufferedImage(BitMatrix matrix, MatrixToImageConfig config)方法
BufferedImage	encodeAsBufferedImage(QrCodeConfig config)
protected BitMatrixInfo	encodeMsgToMatrix(QrCodeConfig config)
void	write(QrCodeConfig config, OutputStream outputStream)

从类继承的方法 java.lang.Object

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

从接口继承的方法 cn.patterncat.qrcode.core.coder.QrCodeEnDeCoder

decodeFromBase64, decodeFromPath, encodeAsBase64, encodeAsFile

字段详细资料

DECODE_HINTS

public static final Map<com.google.zxing.DecodeHintType,Object> DECODE_HINTS

构造器详细资料

AbstractEnDeCoder

public AbstractEnDeCoder()

方法详细资料

encodeAsBufferedImage

public BufferedImage encodeAsBufferedImage(QrCodeConfig config)
                                    throws com.google.zxing.WriterException,
                                           IOException

指定者:

encodeAsBufferedImage 在接口中 QrCodeEnDeCoder

抛出:

com.google.zxing.WriterException

IOException

decode

public String decode(BufferedImage image)
              throws com.google.zxing.FormatException,
                     com.google.zxing.ChecksumException,
                     com.google.zxing.NotFoundException

指定者:

decode 在接口中 QrCodeEnDeCoder

抛出:

com.google.zxing.FormatException

com.google.zxing.ChecksumException

com.google.zxing.NotFoundException

write

public void write(QrCodeConfig config,
                  OutputStream outputStream)
           throws IOException,
                  com.google.zxing.WriterException

指定者:

write 在接口中 QrCodeEnDeCoder

抛出:

IOException

com.google.zxing.WriterException

encodeMsgToMatrix

protected BitMatrixInfo encodeMsgToMatrix(QrCodeConfig config)
                                   throws com.google.zxing.WriterException

抛出:

com.google.zxing.WriterException

decorate

protected BufferedImage decorate(QrCodeConfig config,
                                 BitMatrixInfo bitMatrixInfo)
                          throws IOException

根据config的配置来装饰原始的二维码信息 比如设置圆角\添加logo等

参数:

config -

bitMatrixInfo -

返回:

抛出:

IOException

drawQrCode

protected BufferedImage drawQrCode(BitMatrixInfo bitMatrixInfo,
                                   QrCodeConfig config)

修改MatrixToImageWriter.toBufferedImage(BitMatrix matrix, MatrixToImageConfig config)方法

参数:

bitMatrixInfo -

config -

返回:

drawLogoOnQrCode

protected void drawLogoOnQrCode(BufferedImage qrCode,
                                QrCodeConfig config)
                         throws IOException

抛出:

IOException

coverQrCodeToBgImage

protected BufferedImage coverQrCodeToBgImage(BufferedImage qrCode,
                                             QrCodeConfig config)
                                      throws IOException

抛出:

IOException

calLogoBorderSize

protected int calLogoBorderSize(BufferedImage logoImg,
                                QrCodeConfig config)

计算logo的边框粗细

返回:

calLogoRadius

protected int calLogoRadius(BufferedImage logoImg,
                            QrCodeConfig config)