之前写过一篇不带logo的二维码实现方式，采用QRCode和ZXing两种方式
http://blog.csdn.net/xiaokui_wingfly/article/details/39476185
这里介绍一下ZXing的带logo实现方式，具体实现参考一下代码,测试使用ZXingCodeUtil的main方法。
视频链接地址稍后更新，视频地址中包含图片二维码流输出方式
- LogoConfig logo背景配置类
- ZXingConfig 二维码配置信息
- BufferedImageLuminanceSource 二维码解析使用类
- ZXingCodeUtil二维码生成
LogoConfig.java
package com.weixin.pay.orcode.logo;
import java.awt.Color;
/**
* logo背景配置
*
* @author X-rapido
*/
public class LogoConfig {
public static final Color DEFAULT_BORDERCOLOR = Color.WHITE; // logo默认边框颜色
public static final int DEFAULT_BORDER = 2; // logo默认边框宽度
public static final int DEFAULT_LOGOPART = 5; // logo大小默认为照片的1/5
private final int border = DEFAULT_BORDER; // 默认边框宽度
private final Color borderColor; // 边框颜色
private final int logoPart; // 边框外围宽度
/**
* 二维码无参构造函数 默认设置Logo图片底色白色宽度2
*/
public LogoConfig() {
this(DEFAULT_BORDERCOLOR, DEFAULT_LOGOPART);
}
/**
* 二维码有参构造函数
*
* @param borderColor 边框颜色
* @param logoPart 边框宽度
*/
public LogoConfig(Color borderColor, int logoPart) {
// 设置边框
this.borderColor = borderColor;
// 设置边框宽度
this.logoPart = logoPart;
}
/**
* 获取边框颜色
*
* @return 获取边框颜色
*/
public Color getBorderColor() {
return borderColor;
}
/**
* 获取边框
*
* @return 获取边框
*/
public int getBorder() {
return border;
}
/**
* 外围边宽
*
* @return 外围边宽
*/
public int getLogoPart() {
return logoPart;
}
}
BufferedImageLuminanceSource.java
package com.weixin.pay.orcode.logo;
import com.google.zxing.LuminanceSource;
import java.awt.Graphics2D;
import java.awt.geom.AffineTransform;
import java.awt.image.BufferedImage;
/**
* 二维码解析使用类
*
* @author X-rapido
*
*/
public class BufferedImageLuminanceSource extends LuminanceSource {
private final BufferedImage image;
private final int left;
private final int top;
public BufferedImageLuminanceSource(BufferedImage image) {
this(image, 0, 0, image.getWidth(), image.getHeight());
}
public BufferedImageLuminanceSource(BufferedImage image, int left, int top, int width, int height) {
super(width, height);
int sourceWidth = image.getWidth();
int sourceHeight = image.getHeight();
if (left + width > sourceWidth || top + height > sourceHeight) {
throw new IllegalArgumentException("Crop rectangle does not fit within image data.");
}
for (int y = top; y < top + height; y++) {
for (int x = left; x < left + width; x++) {
if ((image.getRGB(x, y) & 0xFF000000) == 0) {
image.setRGB(x, y, 0xFFFFFFFF); // = white
}
}
}
this.image = new BufferedImage(sourceWidth, sourceHeight, BufferedImage.TYPE_BYTE_GRAY);
this.image.getGraphics().drawImage(image, 0, 0, null);
this.left = left;
this.top = top;
}
@Override
public byte[] getRow(int y, byte[] row) {
if (y < 0 || y >= getHeight()) {
throw new IllegalArgumentException("Requested row is outside the image: " + y);
}
int width = getWidth();
if (row == null || row.length < width) {
row = new byte[width];
}
image.getRaster().getDataElements(left, top + y, width, 1, row);
return row;
}
@Override
public byte[] getMatrix() {
int width = getWidth();
int height = getHeight();
int area = width * height;
byte[] matrix = new byte[area];
image.getRaster().getDataElements(left, top, width, height, matrix);
return matrix;
}
@Override
public boolean isCropSupported() {
return true;
}
@Override
public LuminanceSource crop(int left, int top, int width, int height) {
return new BufferedImageLuminanceSource(image, this.left + left, this.top + top, width, height);
}
@Override
public boolean isRotateSupported() {
return true;
}
@Override
public LuminanceSource rotateCounterClockwise() {
int sourceWidth = image.getWidth();
int sourceHeight = image.getHeight();
AffineTransform transform = new AffineTransform(0.0, -1.0, 1.0, 0.0, 0.0, sourceWidth);
BufferedImage rotatedImage = new BufferedImage(sourceHeight, sourceWidth, BufferedImage.TYPE_BYTE_GRAY);
Graphics2D g = rotatedImage.createGraphics();
g.drawImage(image, transform, null);
g.dispose();
int width = getWidth();
return new BufferedImageLuminanceSource(rotatedImage, top, sourceWidth - (left + width), getHeight(), width);
}
}
ZXingConfig.java
package com.weixin.pay.orcode.logo;
import java.util.Map;
import com.google.zxing.BarcodeFormat;
import com.google.zxing.EncodeHintType;
/**
* 二维码配置信息
*
* @author X-rapido
*
*/
public class ZXingConfig {
private boolean logoFlg = false; // 是否添加Log图片
private String content; // 二维码编码内容
private BarcodeFormat barcodeformat = BarcodeFormat.QR_CODE; //编码类型
private int width = 200; // 生成图片宽度
private int height = 200; // 生成图片高度
private Map<EncodeHintType, ?> hints; // 设置参数
private String logoPath; // Logo图片路径
private String putPath; // 图片输出路径
private LogoConfig LogoConfig; // logo图片参数
/**
* 获取 是否添加Log图片
*
* @return logoFlg 是否添加Log图片
*/
public boolean isLogoFlg() {
return logoFlg;
}
/**
* 设置 是否添加Log图片
*
* @param logoFlg 是否添加Log图片
*/
public void setLogoFlg(boolean logoFlg) {
this.logoFlg = logoFlg;
}
/**
* 获取 二维码编码内容
*
* @return content 二维码编码内容
*/
public String getContent() {
return content;
}
/**
* 设置 二维码编码内容
*
* @param content 二维码编码内容
*/
public void setContent(String content) {
this.content = content;
}
/**
* 获取 编码类型
*
* @return barcodeformat 编码类型
*/
public BarcodeFormat getBarcodeformat() {
return barcodeformat;
}
/**
* 设置 编码类型
*
* @param barcodeformat 编码类型
*/
public void setBarcodeformat(BarcodeFormat barcodeformat) {
this.barcodeformat = barcodeformat;
}
/**
* 获取 生成图片宽度
*
* @return width 生成图片宽度
*/
public int getWidth() {
return width;
}
/**
* 设置 生成图片宽度
*
* @param width 生成图片宽度
*/
public void setWidth(int width) {
this.width = width;
}
/**
* 获取 生成图片高度
*
* @return height 生成图片高度
*/
public int getHeight() {
return height;
}
/**
* 设置 生成图片高度
*
* @param height 生成图片高度
*/
public void setHeight(int height) {
this.height = height;
}
/**
* 获取 设置参数
*
* @return hints 设置参数
*/
public Map<EncodeHintType, ?> getHints() {
return hints;
}
/**
* 设置 设置参数
*
* @param hints 设置参数
*/
public void setHints(Map<EncodeHintType, ?> hints) {
this.hints = hints;
}
/**
* 获取 Logo图片路径
*
* @return logoPath Logo图片路径
*/
public String getLogoPath() {
return logoPath;
}
/**
* 设置 Logo图片路径
*
* @param logoPath Logo图片路径
*/
public void setLogoPath(String logoPath) {
this.logoPath = logoPath;
}
/**
* 获取 图片输出路劲
*
* @return putPath 图片输出路劲
*/
public String getPutPath() {
return putPath;
}
/**
* 设置 图片输出路劲
*
* @param putPath 图片输出路劲
*/
public void setPutPath(String putPath) {
this.putPath = putPath;
}
/**
* 获取 logoConfig
*
* @return logoConfig logoConfig
*/
public LogoConfig getLogoConfig() {
return LogoConfig;
}
/**
* 设置 logoConfig
*
* @param logoConfig logoConfig
*/
public void setLogoConfig(LogoConfig logoConfig) {
LogoConfig = logoConfig;
}
}
ZXingCodeUtil.java
package com.weixin.pay.orcode.logo;
import java.awt.BasicStroke;
import java.awt.Color;
import java.awt.Graphics2D;
import java.awt.image.BufferedImage;
import java.io.File;
import java.util.HashMap;
import java.util.Map;
import javax.imageio.ImageIO;
import com.google.zxing.Binarizer;
import com.google.zxing.BinaryBitmap;
import com.google.zxing.EncodeHintType;
import com.google.zxing.LuminanceSource;
import com.google.zxing.MultiFormatReader;
import com.google.zxing.MultiFormatWriter;
import com.google.zxing.Result;
import com.google.zxing.WriterException;
import com.google.zxing.common.BitMatrix;
import com.google.zxing.common.HybridBinarizer;
import com.google.zxing.qrcode.decoder.ErrorCorrectionLevel;
import com.weixin.pay.orcode.ZXingConfig;
/**
* 二维码生成google zxing
*
* @author X-rapido
*
*/
public class ZXingCodeUtil {
/**
* 二维码图片添加Logo
*
* @param bim 图片流
* @param logoPic Logo图片物理位置
* @param logoConfig Logo图片设置参数
* @throws Exception 异常上抛
*/
private void addLogo_QRCode(BufferedImage bim, File logoPic, LogoConfig logoConfig) throws Exception {
try {
// 对象流传输
BufferedImage image = bim;
Graphics2D g = image.createGraphics();
// 读取Logo图片
BufferedImage logo = ImageIO.read(logoPic);
// 设置logo的大小,本人设置为二维码图片的20%,因为过大会盖掉二维码
int widthLogo = logo.getWidth(null) > image.getWidth() * 2 / 10 ? (image.getWidth() * 2 / 10) : logo.getWidth(null), heightLogo = logo
.getHeight(null) > image.getHeight() * 2 / 10 ? (image.getHeight() * 2 / 10) : logo.getWidth(null);
// 计算图片放置位置
// logo放在中心
int x = (image.getWidth() - widthLogo) / 2;
int y = (image.getHeight() - heightLogo) / 2;
// 开始绘制图片
g.drawImage(logo, x, y, widthLogo, heightLogo, null);
g.drawRoundRect(x, y, widthLogo, heightLogo, 15, 15);
g.setStroke(new BasicStroke(logoConfig.getBorder()));
g.setColor(logoConfig.getBorderColor());
g.drawRect(x, y, widthLogo, heightLogo);
g.dispose();
logo.flush();
image.flush();
} catch (Exception e) {
throw e;
}
}
/**
* 二维码的解析
*
* @param image 图片文件流
* @return 解析后的Result结果集
* @throws Exception 错误异常上抛
*/
@SuppressWarnings("unchecked")
public Result parseQR_CODEImage(BufferedImage image) throws Exception {
// 设置解析
Result result = null;
try {
MultiFormatReader formatReader = new MultiFormatReader();
LuminanceSource source = new BufferedImageLuminanceSource(image);
Binarizer binarizer = new HybridBinarizer(source);
BinaryBitmap binaryBitmap = new BinaryBitmap(binarizer);
@SuppressWarnings("rawtypes")
Map hints = new HashMap();
hints.put(EncodeHintType.CHARACTER_SET, "UTF-8");
result = formatReader.decode(binaryBitmap, hints);
System.out.println("resultFormat = " + result.getBarcodeFormat());
System.out.println("resultText = " + result.getText());
} catch (Exception e) {
throw e;
}
return result;
}
/**
* 生成二维码bufferedImage图片
* @param zxingconfig 二维码配置信息
* @return 生成后的 BufferedImage
* @throws Exception 异常上抛
*/
public BufferedImage getQR_CODEBufferedImage(ZXingConfig zxingconfig) throws Exception {
// Google配置文件
MultiFormatWriter multiFormatWriter = null;
BitMatrix bm = null;
BufferedImage image = null;
try {
multiFormatWriter = new MultiFormatWriter();
// 参数顺序分别为：编码内容，编码类型，生成图片宽度，生成图片高度，设置参数
bm = multiFormatWriter.encode(zxingconfig.getContent(), zxingconfig.getBarcodeformat(), zxingconfig.getWidth(), zxingconfig.getHeight(),
zxingconfig.getHints());
int w = bm.getWidth();
int h = bm.getHeight();
image = new BufferedImage(w, h, BufferedImage.TYPE_INT_RGB);
// 开始利用二维码数据创建Bitmap图片，分别设为黑白两色
for (int x = 0; x < w; x++) {
for (int y = 0; y < h; y++) {
image.setRGB(x, y, bm.get(x, y) ? Color.BLACK.getRGB() : Color.WHITE.getRGB());
}
}
// 是否设置Logo图片
if (zxingconfig.isLogoFlg()) {
this.addLogo_QRCode(image, new File(zxingconfig.getLogoPath()), zxingconfig.getLogoConfig());
}
} catch (WriterException e) {
throw e;
}
return image;
}
/**
* 设置二维码的格式参数
*
* @return
*/
public Map<EncodeHintType, Object> getDecodeHintType() {
// 用于设置QR二维码参数
Map<EncodeHintType, Object> hints = new HashMap<EncodeHintType, Object>();
// 设置QR二维码的纠错级别（H为最高级别）具体级别信息
hints.put(EncodeHintType.ERROR_CORRECTION, ErrorCorrectionLevel.H);
// 设置编码方式
hints.put(EncodeHintType.CHARACTER_SET, "utf-8");
hints.put(EncodeHintType.MARGIN, 0);
hints.put(EncodeHintType.MAX_SIZE, 350);
hints.put(EncodeHintType.MIN_SIZE, 100);
return hints;
}
/**
* 这个工具类 ZXingCodeUtil 是提供二维码图片生成的工具 首先使用的时候需要实例化
* ZXingCodeUtil 然后实例化参数 ZXingConfig 和 LogoConfig 通过下面的演示可以详细看参数是按照什么循序进行设置 最后调用
* ZXingCodeUtil 中方法 getQR_CODEBufferedImage来生成二维码
*/
public static void main(String[] args) throws WriterException {
String content = "http://www.baidu.com";
System.out.println("inputParam:" + content);
try {
// 生成二维码
File file = new File("D:/Michael_QRCode.png");
ZXingCodeUtil zp = new ZXingCodeUtil(); // 实例化二维码工具
ZXingConfig zxingconfig = new ZXingConfig(); // 实例化二维码配置参数
zxingconfig.setHints(zp.getDecodeHintType()); // 设置二维码的格式参数
zxingconfig.setContent(content);// 设置二维码生成内容
zxingconfig.setLogoPath("D:/logo.jpg"); // 设置Logo图片
zxingconfig.setLogoConfig(new LogoConfig()); // Logo图片参数设置
zxingconfig.setLogoFlg(true); // 设置生成Logo图片
BufferedImage bim = zp.getQR_CODEBufferedImage(zxingconfig);// 生成二维码
ImageIO.write(bim, "png", file); // 图片写出
Thread.sleep(500); // 缓冲
zp.parseQR_CODEImage(bim); // 解析调用
} catch (Exception e) {
e.printStackTrace();
}
}
}
资源Demo实例，点击二维码自动切换验证码，下载链接：
http://download.csdn.net/detail/xiaokui_wingfly/8846895
时间： 2024-10-20 14:35:16