Commit 2db2470e by fengshuonan

删除二维码生成

parent 2831ef16
package com.stylefeng.guns.core.qr;
import com.google.zxing.BarcodeFormat;
import com.google.zxing.EncodeHintType;
import com.google.zxing.MultiFormatWriter;
import com.google.zxing.WriterException;
import com.google.zxing.common.BitMatrix;
import com.google.zxing.qrcode.decoder.ErrorCorrectionLevel;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import javax.imageio.ImageIO;
import java.awt.*;
import java.awt.geom.AffineTransform;
import java.awt.image.AffineTransformOp;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.util.HashMap;
import java.util.Map;
/**
* 内嵌图片的二维码生成器
*
* @author lichunxi
*/
public class ImgQrTool {
private static Logger log = LoggerFactory.getLogger(ImgQrTool.class);
// 镶嵌的图片宽度的一般
private static final int IMAGE_WIDTH = 80;
private static final int IMAGE_HEIGHT = 80;
private static final int IMAGE_HALF_WIDTH = IMAGE_WIDTH / 2;
private static final int FRAME_WIDTH = 2;
// 二维码写码器
private static MultiFormatWriter mutiWriter = new MultiFormatWriter();
/**
* 生成带图片的二维码
*
* @param content 二维码的内容
* @param width 宽度
* @param height 高度
* @param srcImagePath 被镶嵌的图片的地址
* @param destImagePath 生成二维码图片的地址
* @author fengshuonan
* @since 2.3.0
*/
public static void encode(String content, int width, int height, String srcImagePath, String destImagePath) {
try {
ImageIO.write(genBarcode(content, width, height, srcImagePath), "jpg", new File(destImagePath));
} catch (IOException e) {
e.printStackTrace();
} catch (WriterException e) {
e.printStackTrace();
}
}
/**
* 生成带图片的二维码
*
* @param content 二维码的内容
* @param width 宽度
* @param height 高度
* @param srcImagePath 被镶嵌的图片的地址
* @author fengshuonan
* @since 2.3.0
*/
public static void encode(String content, int width, int height, String srcImagePath, OutputStream outputStream) {
try {
ImageIO.write(genBarcode(content, width, height, srcImagePath), "jpg", outputStream);
} catch (IOException e) {
e.printStackTrace();
} catch (WriterException e) {
e.printStackTrace();
}
}
/**
* 创建不带参数的二维码
*
* @author fengshuonan
* @since 2.3.0
*/
public static void createSimpleQr(String content, int width, int height, String destImagePath) {
FileOutputStream output = null;
try {
String format = "jpg";// 图像类型
Map<EncodeHintType, Object> hints = new HashMap<EncodeHintType, Object>();
hints.put(EncodeHintType.CHARACTER_SET, "UTF-8");
BitMatrix bitMatrix = new MultiFormatWriter().encode(content, BarcodeFormat.QR_CODE, width, height, hints);// 生成矩阵
File dest = new File(destImagePath);
output = new FileOutputStream(dest);
MatrixToImageWriter.writeToStream(bitMatrix, format, output);// 输出图像
} catch (Exception e) {
log.error("生成二维码出错!ImgQrTool:createSimpleQr()", e);
} finally {
try {
output.close();
} catch (IOException e) {
log.error("生成二维码出错!ImgQrTool:createSimpleQr()", e);
}
}
}
private static BufferedImage genBarcode(String content, int width, int height, String srcImagePath)
throws WriterException, IOException {
// 读取源图像
BufferedImage scaleImage = scale(srcImagePath, IMAGE_WIDTH, IMAGE_HEIGHT, true);
int[][] srcPixels = new int[IMAGE_WIDTH][IMAGE_HEIGHT];
for (int i = 0; i < scaleImage.getWidth(); i++) {
for (int j = 0; j < scaleImage.getHeight(); j++) {
srcPixels[i][j] = scaleImage.getRGB(i, j);
}
}
Map<EncodeHintType, Object> hint = new HashMap<EncodeHintType, Object>();
hint.put(EncodeHintType.CHARACTER_SET, "utf-8");
hint.put(EncodeHintType.ERROR_CORRECTION, ErrorCorrectionLevel.H);
hint.put(EncodeHintType.MARGIN, 1);// 二维码整体白框
// 生成二维码
BitMatrix matrix = mutiWriter.encode(content, BarcodeFormat.QR_CODE, width, height, hint);
// 二维矩阵转为一维像素数组
int halfW = matrix.getWidth() / 2;
int halfH = matrix.getHeight() / 2;
int[] pixels = new int[width * height];
for (int y = 0; y < matrix.getHeight(); y++) {
for (int x = 0; x < matrix.getWidth(); x++) {
// 读取图片
if (x > halfW - IMAGE_HALF_WIDTH && x < halfW + IMAGE_HALF_WIDTH && y > halfH - IMAGE_HALF_WIDTH
&& y < halfH + IMAGE_HALF_WIDTH) {
pixels[y * width + x] = srcPixels[x - halfW + IMAGE_HALF_WIDTH][y - halfH + IMAGE_HALF_WIDTH];
}
// 在图片四周形成边框
else if ((x > halfW - IMAGE_HALF_WIDTH - FRAME_WIDTH && x < halfW - IMAGE_HALF_WIDTH + FRAME_WIDTH
&& y > halfH - IMAGE_HALF_WIDTH - FRAME_WIDTH && y < halfH + IMAGE_HALF_WIDTH + FRAME_WIDTH)
|| (x > halfW + IMAGE_HALF_WIDTH - FRAME_WIDTH && x < halfW + IMAGE_HALF_WIDTH + FRAME_WIDTH
&& y > halfH - IMAGE_HALF_WIDTH - FRAME_WIDTH
&& y < halfH + IMAGE_HALF_WIDTH + FRAME_WIDTH)
|| (x > halfW - IMAGE_HALF_WIDTH - FRAME_WIDTH && x < halfW + IMAGE_HALF_WIDTH + FRAME_WIDTH
&& y > halfH - IMAGE_HALF_WIDTH - FRAME_WIDTH
&& y < halfH - IMAGE_HALF_WIDTH + FRAME_WIDTH)
|| (x > halfW - IMAGE_HALF_WIDTH - FRAME_WIDTH && x < halfW + IMAGE_HALF_WIDTH + FRAME_WIDTH
&& y > halfH + IMAGE_HALF_WIDTH - FRAME_WIDTH
&& y < halfH + IMAGE_HALF_WIDTH + FRAME_WIDTH)) {
pixels[y * width + x] = 0xfffffff;
} else {
// 此处可以修改二维码的颜色,可以分别制定二维码和背景的颜色;
pixels[y * width + x] = matrix.get(x, y) ? 0xff000000 : 0xfffffff;
}
}
}
BufferedImage image = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
image.getRaster().setDataElements(0, 0, width, height, pixels);
return image;
}
/**
* 把传入的原始图像按高度和宽度进行缩放,生成符合要求的图标
*
* @param srcImageFile 源文件地址
* @param height 目标高度
* @param width 目标宽度
* @param hasFiller 比例不对时是否需要补白:true为补白; false为不补白;
* @throws IOException
*/
private static BufferedImage scale(String srcImageFile, int height, int width, boolean hasFiller)
throws IOException {
double ratio = 0.0; // 缩放比例
File file = new File(srcImageFile);
BufferedImage srcImage = ImageIO.read(file);
Image destImage = srcImage.getScaledInstance(width, height, BufferedImage.SCALE_SMOOTH);
// 计算比例
if ((srcImage.getHeight() > height) || (srcImage.getWidth() > width)) {
if (srcImage.getHeight() > srcImage.getWidth()) {
ratio = (new Integer(height)).doubleValue() / srcImage.getHeight();
} else {
ratio = (new Integer(width)).doubleValue() / srcImage.getWidth();
}
AffineTransformOp op = new AffineTransformOp(AffineTransform.getScaleInstance(ratio, ratio), null);
destImage = op.filter(srcImage, null);
}
if (hasFiller) {// 补白
BufferedImage image = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
Graphics2D graphic = image.createGraphics();
graphic.setColor(Color.white);
graphic.fillRect(0, 0, width, height);
if (width == destImage.getWidth(null))
graphic.drawImage(destImage, 0, (height - destImage.getHeight(null)) / 2, destImage.getWidth(null),
destImage.getHeight(null), Color.white, null);
else
graphic.drawImage(destImage, (width - destImage.getWidth(null)) / 2, 0, destImage.getWidth(null),
destImage.getHeight(null), Color.white, null);
graphic.dispose();
destImage = image;
}
return (BufferedImage) destImage;
}
/**
* 生成上方带文字的二维码
*/
public static void createQrWithFontsAbove(QrImage para) {
try {
// 首先生成二维码图片
BufferedImage qrImage = genBarcode(para.getQrContent(), para.getQrWidth(), para.getQrHeight(), para.getQrIconFilePath());
int qrImageWidth = qrImage.getWidth();
int qrImageHeight = qrImage.getHeight();
String[] splitStrLines = null;
splitStrLines = splitStrLines(para.getWordContent(), qrImageWidth / para.getWordSize());
int fontsImageHeight = splitStrLines.length * para.getWordSize() + 10; //防止文字遮挡
//创建顶部文字的图片
BufferedImage imageWithFonts = new BufferedImage(qrImageWidth, fontsImageHeight, BufferedImage.TYPE_4BYTE_ABGR);
Graphics fontsImageGraphics = imageWithFonts.getGraphics();
fontsImageGraphics.fillRect(0, 0, qrImageWidth, fontsImageHeight);
fontsImageGraphics.setColor(Color.black);
fontsImageGraphics.setFont(new Font("宋体", Font.PLAIN, para.getWordSize()));
//文字长度大于一行的长度,进行分行
if (para.getWordContent().length() > qrImageWidth / para.getWordSize()) {//每行限制的文字个数
for (int i = 0; i < splitStrLines.length; i++) {
fontsImageGraphics.drawString(splitStrLines[i], 0, para.getWordSize() * (i + 1));
}
} else {
fontsImageGraphics.drawString(
para.getWordContent(),
((qrImageWidth / para.getWordSize() - para.getWordContent().length()) / 2) * para.getWordSize() + 20, //总长度减去字长度除以2为向右偏移长度
para.getWordSize());
}
// 从图片中读取RGB
int[] ImageArrayFonts = new int[qrImageWidth * fontsImageHeight];
ImageArrayFonts = imageWithFonts.getRGB(0, 0, qrImageWidth, fontsImageHeight, ImageArrayFonts, 0, qrImageWidth);
int[] ImageArrayQr = new int[qrImageWidth * qrImageHeight];
ImageArrayQr = qrImage.getRGB(0, 0, qrImageWidth, qrImageHeight, ImageArrayQr, 0, qrImageWidth);
// 生成新图片
BufferedImage ImageNew = new BufferedImage(qrImageWidth, qrImageHeight + fontsImageHeight, BufferedImage.TYPE_INT_RGB);
ImageNew.setRGB(0, 0, qrImageWidth, fontsImageHeight, ImageArrayFonts, 0, qrImageWidth);// 设置上半部分的RGB
ImageNew.setRGB(0, fontsImageHeight, qrImageWidth, qrImageHeight, ImageArrayQr, 0, qrImageWidth);// 设置下半部分的RGB
File outFile = new File(para.getFileOutputPath());
ImageIO.write(ImageNew, "jpg", outFile);
} catch (Exception e) {
e.printStackTrace();
}
}
/**
* 一行字符串拆分成多行
*/
private static String[] splitStrLines(String str, int len) {
int blocks = str.length() / len + 1;
String[] strs = new String[blocks];
for (int i = 0; i < blocks; i++) {
if ((i + 1) * len > str.length()) {
strs[i] = str.substring(i * len);
} else {
strs[i] = str.substring(i * len, (i + 1) * len);
}
}
return strs;
}
public static void main(String[] args) throws IOException {
for (int i = 1; i <= 1; i++) {
QrImage para = new QrImage.Builder()
.setFileOutputPath("D:\\二维码\\test\\" + i + ".jpg")
.setQrContent("http://www.baidu.com?a=" + "123")
.setQrHeight(300)
.setQrWidth(300)
.setQrIconFilePath("D:\\二维码\\中间图标\\1.png")
.setTopWrodHeight(100)
.setWordContent("test" + 1)
.setWordSize(18).build();
ImgQrTool.createQrWithFontsAbove(para);
}
}
}
/*
* Copyright 2012 ZXing authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.stylefeng.guns.core.qr;
import java.awt.image.BufferedImage;
/**
* Encapsulates custom configuration used in methods of {@link MatrixToImageWriter}.
*/
public final class MatrixToImageConfig {
public static final int BLACK = 0xFF000000;
public static final int WHITE = 0xFFFFFFFF;
private final int onColor;
private final int offColor;
/**
* Creates a default config with on color {@link #BLACK} and off color {@link #WHITE}, generating normal
* black-on-white barcodes.
*/
public MatrixToImageConfig() {
this(BLACK, WHITE);
}
/**
* @param onColor pixel on color, specified as an ARGB value as an int
* @param offColor pixel off color, specified as an ARGB value as an int
*/
public MatrixToImageConfig(int onColor, int offColor) {
this.onColor = onColor;
this.offColor = offColor;
}
public int getPixelOnColor() {
return onColor;
}
public int getPixelOffColor() {
return offColor;
}
int getBufferedImageColorModel() {
// Use faster BINARY if colors match default
return onColor == BLACK && offColor == WHITE ? BufferedImage.TYPE_BYTE_BINARY : BufferedImage.TYPE_INT_RGB;
}
}
\ No newline at end of file
/*
* Copyright 2009 ZXing authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.stylefeng.guns.core.qr;
import com.google.zxing.common.BitMatrix;
import javax.imageio.ImageIO;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
import java.io.OutputStream;
import java.nio.file.Path;
/**
* Writes a {@link BitMatrix} to {@link BufferedImage},
* file or stream. Provided here instead of core since it depends on
* Java SE libraries.
*
* @author Sean Owen
*/
public final class MatrixToImageWriter {
private static final MatrixToImageConfig DEFAULT_CONFIG = new MatrixToImageConfig();
private MatrixToImageWriter() {}
/**
* Renders a {@link BitMatrix} as an image, where "false" bits are rendered
* as white, and "true" bits are rendered as black.
*/
public static BufferedImage toBufferedImage(BitMatrix matrix) {
return toBufferedImage(matrix, DEFAULT_CONFIG);
}
/**
* As {@link #toBufferedImage(BitMatrix)}, but allows customization of the output.
*/
public static BufferedImage toBufferedImage(BitMatrix matrix, MatrixToImageConfig config) {
int width = matrix.getWidth();
int height = matrix.getHeight();
BufferedImage image = new BufferedImage(width, height, config.getBufferedImageColorModel());
int onColor = config.getPixelOnColor();
int offColor = config.getPixelOffColor();
for (int x = 0; x < width; x++) {
for (int y = 0; y < height; y++) {
image.setRGB(x, y, matrix.get(x, y) ? onColor : offColor);
}
}
return image;
}
/**
* @deprecated use {@link #writeToPath(BitMatrix, String, Path)}
*/
@Deprecated
public static void writeToFile(BitMatrix matrix, String format, File file) throws IOException {
writeToPath(matrix, format, file.toPath());
}
/**
* Writes a {@link BitMatrix} to a file.
*
* @see #toBufferedImage(BitMatrix)
*/
public static void writeToPath(BitMatrix matrix, String format, Path file) throws IOException {
writeToPath(matrix, format, file, DEFAULT_CONFIG);
}
/**
* @deprecated use {@link #writeToPath(BitMatrix, String, Path, MatrixToImageConfig)}
*/
@Deprecated
public static void writeToFile(BitMatrix matrix, String format, File file, MatrixToImageConfig config)
throws IOException {
writeToPath(matrix, format, file.toPath(), config);
}
/**
* As {@link #writeToFile(BitMatrix, String, File)}, but allows customization of the output.
*/
public static void writeToPath(BitMatrix matrix, String format, Path file, MatrixToImageConfig config)
throws IOException {
BufferedImage image = toBufferedImage(matrix, config);
if (!ImageIO.write(image, format, file.toFile())) {
throw new IOException("Could not write an image of format " + format + " to " + file);
}
}
/**
* Writes a {@link BitMatrix} to a stream.
*
* @see #toBufferedImage(BitMatrix)
*/
public static void writeToStream(BitMatrix matrix, String format, OutputStream stream) throws IOException {
writeToStream(matrix, format, stream, DEFAULT_CONFIG);
}
/**
* As {@link #writeToStream(BitMatrix, String, OutputStream)}, but allows customization of the output.
*/
public static void writeToStream(BitMatrix matrix, String format, OutputStream stream, MatrixToImageConfig config)
throws IOException {
BufferedImage image = toBufferedImage(matrix, config);
if (!ImageIO.write(image, format, stream)) {
throw new IOException("Could not write an image of format " + format);
}
}
}
\ No newline at end of file
package com.stylefeng.guns.core.qr;
/**
* 二维码图片对象
*
* @author fengshuonan
* @date 2016年12月8日 上午11:37:09
*/
public class QrImage {
/**
* 二维码的内容
*/
private String qrContent;
/**
* 二维码的宽度
*/
private int qrWidth;
/**
* 二维码的高度
*/
private int qrHeight;
/**
* 二维码中间图标的文件路径
*/
private String qrIconFilePath;
/**
* 二维码中间小图标的边长
*/
private int qrIconWidth;
/**
* 顶部文字的高度
*/
private int topWrodHeight;
/**
* 文字的大小
*/
private int wordSize;
/**
* 文字的内容
*/
private String wordContent;
/**
* 文件的输出路径
*/
private String fileOutputPath;
public static class Builder {
private String qrContent;
private int qrWidth;
private int qrHeight;
private String qrIconFilePath;
private int topWrodHeight;
private int wordSize;
private String wordContent;
private String fileOutputPath;
private int qrIconWidth;
public Builder() {
}
public Builder setQrContent(String qrContent) {
this.qrContent = qrContent;
return this;
}
public Builder setQrWidth(int qrWidth) {
this.qrWidth = qrWidth;
return this;
}
public Builder setQrHeight(int qrHeight) {
this.qrHeight = qrHeight;
return this;
}
public Builder setQrIconFilePath(String qrIconFilePath) {
this.qrIconFilePath = qrIconFilePath;
return this;
}
public Builder setTopWrodHeight(int topWrodHeight) {
this.topWrodHeight = topWrodHeight;
return this;
}
public Builder setWordSize(int wordSize) {
this.wordSize = wordSize;
return this;
}
public Builder setWordContent(String wordContent) {
this.wordContent = wordContent;
return this;
}
public Builder setFileOutputPath(String fileOutputPath) {
this.fileOutputPath = fileOutputPath;
return this;
}
public Builder setQrIconWidth(int qrIconWidth) {
this.qrIconWidth = qrIconWidth;
return this;
}
public QrImage build() {
return new QrImage(this.qrContent, this.qrWidth, this.qrHeight, this.qrIconFilePath, this.qrIconWidth,
this.topWrodHeight, this.wordSize, this.wordContent, this.fileOutputPath);
}
}
public QrImage(String qrContent, int qrWidth, int qrHeight, String qrIconFilePath, int qrIconWidth,
int topWrodHeight, int wordSize, String wordContent, String fileOutputPath) {
super();
this.qrContent = qrContent;
this.qrWidth = qrWidth;
this.qrHeight = qrHeight;
this.qrIconFilePath = qrIconFilePath;
this.qrIconWidth = qrIconWidth;
this.topWrodHeight = topWrodHeight;
this.wordSize = wordSize;
this.wordContent = wordContent;
this.fileOutputPath = fileOutputPath;
}
public String getQrContent() {
return qrContent;
}
public int getQrWidth() {
return qrWidth;
}
public int getQrHeight() {
return qrHeight;
}
public String getQrIconFilePath() {
return qrIconFilePath;
}
public int getTopWrodHeight() {
return topWrodHeight;
}
public int getWordSize() {
return wordSize;
}
public String getWordContent() {
return wordContent;
}
public String getFileOutputPath() {
return fileOutputPath;
}
public int getQrIconWidth() {
return qrIconWidth;
}
}
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