package com.xzx.gc.common.utils.image;
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import com.google.zxing.BarcodeFormat;
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import com.google.zxing.EncodeHintType;
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import com.google.zxing.MultiFormatWriter;
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import com.google.zxing.common.BitMatrix;
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import com.google.zxing.qrcode.decoder.ErrorCorrectionLevel;
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import net.coobird.thumbnailator.Thumbnails;
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import org.apache.commons.lang3.StringUtils;
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import javax.imageio.ImageIO;
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import java.awt.*;
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import java.awt.font.FontRenderContext;
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import java.awt.geom.Rectangle2D;
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import java.awt.image.BufferedImage;
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import java.io.ByteArrayInputStream;
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import java.io.File;
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import java.net.URL;
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import java.util.ArrayList;
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import java.util.Hashtable;
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import java.util.List;
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/**
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* QrCodeBaseUtils2
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*
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* @author Angzk
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* @date 2019年8月7日
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*/
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public final class QrCodeGraphicsUtils {
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private static final String CHARSET = "utf-8";
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private static final int QRCODE_SIZE = 172;
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/**
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* 生成二维码
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*
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* @param linkUrl
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* 二维码地址
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* @param hasFrame
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* 是否删除白边
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* @param logoStatus
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* 是否插入logo
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* @param logoPath
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* logoPath
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* @param logoNeedCompress
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* 是否压缩 logo
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* @throws Exception
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*/
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public static BufferedImage createQrCode(String linkUrl, boolean hasFrame, boolean logoStatus, String logoPath,
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boolean logoNeedCompress, int qrCodeSize) throws Exception {
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Hashtable<EncodeHintType, Object> hints = new Hashtable<EncodeHintType, Object>();
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hints.put(EncodeHintType.ERROR_CORRECTION, ErrorCorrectionLevel.H);
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hints.put(EncodeHintType.CHARACTER_SET, CHARSET);
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hints.put(EncodeHintType.MARGIN, 1);
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if (qrCodeSize == 0) {
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qrCodeSize = QRCODE_SIZE;
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}
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BitMatrix bitMatrix =
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new MultiFormatWriter().encode(linkUrl, BarcodeFormat.QR_CODE, qrCodeSize, qrCodeSize, hints);
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// 删除白边
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if (hasFrame) {
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bitMatrix = QrCodeBaseUtils.deleteWhite(bitMatrix);
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}
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int width = bitMatrix.getWidth();
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int height = bitMatrix.getHeight();
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BufferedImage image = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
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for (int x = 0; x < width; x++) {
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for (int y = 0; y < height; y++) {
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image.setRGB(x, y, bitMatrix.get(x, y) ? 0xFF000000 : 0xFFFFFFFF);
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}
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}
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if (logoStatus) {
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URL avatarUrl = null;
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File avatarFile = null;
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if (StringUtils.isNotBlank(logoPath)) {
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if (logoPath.startsWith("http")) {
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avatarUrl = new URL(logoPath);
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QrCodeBaseUtils.insertImage(image, avatarUrl, logoNeedCompress, hasFrame, qrCodeSize);
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} else {
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avatarFile = new File(logoPath);
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QrCodeBaseUtils.insertImage(image, avatarFile, logoNeedCompress, hasFrame, qrCodeSize);
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}
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}
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}
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return image;
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}
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public static Graphics2D drawAvatar(Graphics2D graphics, String avatarUrl, BufferedImage bufferImage, int x, int y)
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throws Exception {
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// 绘制头像 。
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BufferedImage logoBufferImage = null;
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if (avatarUrl.startsWith("http")) {
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logoBufferImage = Thumbnails.of(new URL(avatarUrl)).size(70, 70).asBufferedImage();
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} else {
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logoBufferImage = Thumbnails.of(new File(avatarUrl)).size(70, 70).asBufferedImage();
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}
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// int height2 = logoBufferImage.getHeight();
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// 图片变圆
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// int border = 2;
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// Ellipse2D.Double shapeEll =
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// new Ellipse2D.Double(x + border, y + border, height2 - border * 2, height2 - border * 2);
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// // 抗锯齿
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// graphics.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
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// graphics.setClip(shapeEll);
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// 绘制头像
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graphics.drawImage(logoBufferImage, x, y, null);
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// 为了防止 头像圆角之后锯齿问题。需要在头像周围画一个白框覆盖即可。
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// graphics = bufferImage.createGraphics();
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// graphics.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
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// int border2 = 2;
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// Stroke s = new BasicStroke(2f, BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND);
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// graphics.setStroke(s);
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// graphics.setColor(Color.WHITE);
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// 绘制头像边框
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// graphics.drawOval(x + border, y + border, height2 - border2 * 2, height2 - border2 * 2);
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return graphics;
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}
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/**
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*
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* @param bufferImage
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* 画布对象
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* @param scale
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* 缩放
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* @param outFormat
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* 输出格式
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* @param outPutQuality
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* 输出品质
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* @param pngPath
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* 输出路径
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* @throws Exception
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*/
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public static void savePic(BufferedImage bufferImage, int scale, String outFormat, double outPutQuality,
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String pngPath) throws Exception {
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File file = new File(pngPath);
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// 自定义压缩.
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byte[] picByQuality = QrCodeBaseUtils.compressPicByQuality(bufferImage, 1f);
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ByteArrayInputStream in = new ByteArrayInputStream(picByQuality);
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BufferedImage qualityBufferImage = ImageIO.read(in);
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// Google 工具包 写出文件
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Thumbnails.of(qualityBufferImage).scale(scale).outputFormat(outFormat).outputQuality(outPutQuality)
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.toFile(file);
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}
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/**
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* 绘制海报文字
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*
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* @param graphics
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* @param text
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* @param width
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* @param height
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*/
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public static Graphics2D drawText(Graphics2D graphics, String text, int width, int height, Color color) {
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graphics.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
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graphics.setPaint(new Color(0, 0, 0, 64));
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graphics.drawString(text, width, height);
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//
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graphics.setPaint(color);
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// 绘制 商品价格
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graphics.drawString(text, width, height);
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return graphics;
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}
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/**
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* 绘制海报文字(换行)
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*
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* @param graphics
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* 画笔
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* @param text
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* 文本
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* @param width
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* 位置：x
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* @param height 位置：y
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* @param lineHeight
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* 单行行高
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* @param linewidth
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* 单行行宽
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* @param color
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* 文本颜色
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* @param limitLineNum
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* 限制行数
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* @return
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*/
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public static int drawTextNewLine(Graphics2D graphics, String text, int width, int height, int lineHeight,
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int linewidth, Color color, int textSize, int limitLineNum, int backgroundWidth) {
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Font font = new Font("微软雅黑", Font.PLAIN, textSize);
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graphics.setFont(font);
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graphics.setPaint(color);
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FontRenderContext frc = graphics.getFontRenderContext();
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graphics.getFontRenderContext();
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Rectangle2D stringBounds = font.getStringBounds(text, frc);
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double fontWidth = stringBounds.getWidth();
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List<String> lineList = new ArrayList<String>();
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int lineCharCountSub = 0;
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// 不满一行
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if (fontWidth <= linewidth) {
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lineList.add(text);
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width = (backgroundWidth - Double.valueOf(fontWidth).intValue()) / 2;
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} else {
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width = (backgroundWidth - linewidth) / 2;
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// 输出文本宽度,这里就以画布宽度作为文本宽度测试
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int textWidth = linewidth;
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// 文本长度是文本框长度的倍数
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double bs = fontWidth / textWidth;
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// 每行大概字数
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int lineCharCount = (int)Math.ceil(text.length() / bs);
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lineCharCountSub = lineCharCount;
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int beginIndex = 0;
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while (beginIndex < text.length()) {
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int endIndex = beginIndex + lineCharCount;
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if (endIndex >= text.length()) {
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endIndex = text.length();
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}
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String lineStr = text.substring(beginIndex, endIndex);
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Rectangle2D tempStringBounds = font.getStringBounds(lineStr, frc);
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int tzzs = 1;
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while (tempStringBounds.getWidth() > textWidth) {
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lineStr = lineStr.substring(0, lineStr.length() - tzzs);
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tempStringBounds = font.getStringBounds(lineStr, frc);
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}
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lineList.add(lineStr);
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beginIndex = beginIndex + lineStr.length();
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}
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}
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// Color.BLACK 。字体颜色
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graphics.setPaint(color);
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if (lineHeight == 0) {
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lineHeight = 35;
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}
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int lineNum = lineList.size();
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if (limitLineNum != 0 && lineNum > limitLineNum) {
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lineNum = limitLineNum;
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}
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// 绘制 换行文字
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for (int i = 0; i < lineNum; i++) {
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String lineStr = lineList.get(i);
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if (lineNum >= 2 && i == lineNum - 1) {
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if (lineStr.length() >= lineCharCountSub - 3) {
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lineStr = lineStr.substring(0, lineStr.length() - 2) + "...";
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}
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}
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graphics.drawString(lineStr, width, height + (i + 1) * lineHeight);
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graphics.drawString(lineStr, width, height + (i + 1) * lineHeight);
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}
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return lineNum;
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}
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/**
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* 绘制海报文字(换行)
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*
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* @param graphics
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* 画笔
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* @param text
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* 文本
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* @param width
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* 位置：x
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* @param height 位置：y
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* @param lineHeight
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* 单行行高
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* @param linewidth
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* 单行行宽
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* @param color
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* 文本颜色
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* @param limitLineNum
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* 限制行数
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* @return
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*/
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public static int drawRightTextNewLine(Graphics2D graphics, String text, int width, int height, int lineHeight,
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int linewidth, Color color, int textSize, int limitLineNum, int backgroundWidth) {
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Font font = new Font("微软雅黑", Font.PLAIN, textSize);
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graphics.setFont(font);
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graphics.setPaint(color);
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FontRenderContext frc = graphics.getFontRenderContext();
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graphics.getFontRenderContext();
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Rectangle2D stringBounds = font.getStringBounds(text, frc);
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double fontWidth = stringBounds.getWidth();
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List<String> lineList = new ArrayList<String>();
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int lineCharCountSub = 0;
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// 不满一行
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if (fontWidth <= linewidth) {
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lineList.add(text);
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width = (backgroundWidth - Double.valueOf(fontWidth).intValue()) / 2 + backgroundWidth / 2 + 57;
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} else {
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width = (backgroundWidth - linewidth) / 2 + backgroundWidth / 2 + 57;
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// 输出文本宽度,这里就以画布宽度作为文本宽度测试
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int textWidth = linewidth;
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// 文本长度是文本框长度的倍数
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double bs = fontWidth / textWidth;
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// 每行大概字数
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int lineCharCount = (int)Math.ceil(text.length() / bs);
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lineCharCountSub = lineCharCount;
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int beginIndex = 0;
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while (beginIndex < text.length()) {
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int endIndex = beginIndex + lineCharCount;
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if (endIndex >= text.length()) {
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endIndex = text.length();
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}
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String lineStr = text.substring(beginIndex, endIndex);
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Rectangle2D tempStringBounds = font.getStringBounds(lineStr, frc);
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int tzzs = 1;
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while (tempStringBounds.getWidth() > textWidth) {
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lineStr = lineStr.substring(0, lineStr.length() - tzzs);
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tempStringBounds = font.getStringBounds(lineStr, frc);
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}
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lineList.add(lineStr);
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beginIndex = beginIndex + lineStr.length();
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}
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}
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// Color.BLACK 。字体颜色
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graphics.setPaint(color);
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if (lineHeight == 0) {
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lineHeight = 35;
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}
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int lineNum = lineList.size();
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if (limitLineNum != 0 && lineNum > limitLineNum) {
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lineNum = limitLineNum;
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}
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// 绘制 换行文字
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graphics.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
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for (int i = 0; i < lineNum; i++) {
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String lineStr = lineList.get(i);
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if (lineNum >= 2 && i == lineNum - 1) {
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if (lineStr.length() >= lineCharCountSub - 3) {
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lineStr = lineStr.substring(0, lineStr.length() - 2) + "...";
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}
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}
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graphics.drawString(lineStr, width, height + (i + 1) * lineHeight);
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graphics.drawString(lineStr, width, height + (i + 1) * lineHeight);
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}
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return lineNum;
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}
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/**
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* 绘制海报文字(换行)
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*
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* @param graphics
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* 画笔
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* @param text
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* 文本
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* @param width
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* 位置：x
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* @param height 位置：y
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* @param lineHeight
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* 单行行高
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* @param linewidth
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* 单行行宽
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* @param color
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* 文本颜色
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* @param limitLineNum
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* 限制行数
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* @return
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*/
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public static int drawTextNewLine(Graphics2D graphics, String text, int width, int height, int lineHeight,
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int linewidth, Color color, int textSize, int limitLineNum) {
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Font font = new Font("微软雅黑", Font.PLAIN, textSize);
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graphics.setFont(font);
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graphics.setPaint(color);
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FontRenderContext frc = graphics.getFontRenderContext();
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graphics.getFontRenderContext();
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Rectangle2D stringBounds = font.getStringBounds(text, frc);
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double fontWidth = stringBounds.getWidth();
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List<String> lineList = new ArrayList<String>();
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int lineCharCountSub = 0;
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// 不满一行
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if (fontWidth <= linewidth) {
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lineList.add(text);
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} else {
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// 输出文本宽度,这里就以画布宽度作为文本宽度测试
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int textWidth = linewidth;
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// 文本长度是文本框长度的倍数
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double bs = fontWidth / textWidth;
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// 每行大概字数
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int lineCharCount = (int)Math.ceil(text.length() / bs);
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lineCharCountSub = lineCharCount;
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int beginIndex = 0;
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while (beginIndex < text.length()) {
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int endIndex = beginIndex + lineCharCount;
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if (endIndex >= text.length()) {
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endIndex = text.length();
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}
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String lineStr = text.substring(beginIndex, endIndex);
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Rectangle2D tempStringBounds = font.getStringBounds(lineStr, frc);
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int tzzs = 1;
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while (tempStringBounds.getWidth() > textWidth) {
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lineStr = lineStr.substring(0, lineStr.length() - tzzs);
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tempStringBounds = font.getStringBounds(lineStr, frc);
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}
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lineList.add(lineStr);
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beginIndex = beginIndex + lineStr.length();
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}
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}
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// Color.BLACK 。字体颜色
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graphics.setPaint(color);
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if (lineHeight == 0) {
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lineHeight = 35;
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}
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int lineNum = lineList.size();
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if (limitLineNum != 0 && lineNum > limitLineNum) {
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lineNum = limitLineNum;
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}
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// 绘制 换行文字
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for (int i = 0; i < lineNum; i++) {
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String lineStr = lineList.get(i);
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if (lineNum >= 2 && i == lineNum - 1) {
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if (lineStr.length() >= lineCharCountSub - 3) {
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lineStr = lineStr.substring(0, lineStr.length() - 2) + "...";
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}
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}
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graphics.drawString(lineStr, width, height + (i + 1) * lineHeight);
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graphics.drawString(lineStr, width, height + (i + 1) * lineHeight);
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}
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return lineNum;
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}
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}
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