package com.matrix.component.tools;
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import java.awt.*;
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import java.awt.image.BufferedImage;
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import java.io.FileNotFoundException;
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import java.io.IOException;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.regex.Matcher;
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import java.util.regex.Pattern;
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public class ImageUtil {
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public static void main(String[] args) throws Exception {
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// drawString();
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fonts();
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// System.out.println(4 % 2);
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}
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public static void drawString(BufferedImage bimg, ImageMerge imgMerger) throws IOException, FileNotFoundException {
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// 得到Graphics2D 对象
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Graphics2D g2d = (Graphics2D) bimg.getGraphics();
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g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
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// 设置颜色和画笔粗细57bec0
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g2d.setColor(toColorFromString(imgMerger.getColor()));
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g2d.setFont(new Font(imgMerger.getFontFamily(), Font.ITALIC, imgMerger.getFontSize()));
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// 绘制图案或文字
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// g2d.drawString("红星国际会展中心", 445, 630);
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drawStringWithSpan(g2d, imgMerger.getText(), imgMerger.getX(), imgMerger.getY(), imgMerger.getWordSpacing());
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}
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/**
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* 绘制字符间距
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*/
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private static void drawStringWithSpan(Graphics2D g2d, String text, int i, int y, int k) {
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List<String> txtList = new ArrayList<>();
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// 匹配中英文
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String s = "\\d+.\\d+|\\w+|[\u4e00-\u9fa5]";
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Pattern pattern = Pattern.compile(s);
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Matcher ma = pattern.matcher(text);
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while (ma.find()) {
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txtList.add(ma.group());
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}
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int x = i;
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for (int m = 0; m < txtList.size(); m++) {
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String target = txtList.get(m);
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g2d.drawString(target, x, y);
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// 没写一个字就增加一个间距，2个哦英文单词占用1个中文字符空间
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int b = (target.length() / 2) + (target.length() % 2);
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x += b * (g2d.getFont().getSize() + k);
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}
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}
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/**
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* 小图片贴到大图片形成一张图(合成)
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* @author:liuyc
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* @throws IOException
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* @time:2016年5月27日 下午5:51:20
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public static final void overlapImage(ImageMerge imgMerge) throws IOException {
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BufferedImage big = ImageIO.read(new File(imgMerge.getSrcPath()));
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BufferedImage small = ImageIO.read(new File(imgMerge.getSmallPath()));
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Graphics2D g = big.createGraphics();
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g.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_ATOP, imgMerge.getAlpha()));
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g.drawImage(small, imgMerge.getX(), imgMerge.getY(), imgMerge.getWidth(), imgMerge.getHeight(), null);
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g.dispose();
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ImageIO.write(big, imgMerge.getOutFilePath().split("\\.")[1], new File(imgMerge.getOutFilePath()));
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}
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*/
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public static Color toColorFromString(String colorStr) {
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Color color = new Color(Integer.parseInt(colorStr, 16));
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return color;
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}
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public static void fonts() {
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String[] fonts = GraphicsEnvironment // GraphicsEnvironment(抽象类) 图形环境类
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.getLocalGraphicsEnvironment() // 获取本地图形环境
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.getAvailableFontFamilyNames(); // 获取可用字体family名
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int fontCount = 0; // 字体数统计
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for (String font : fonts) {
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fontCount++;
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System.out.println(font);
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}
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System.out.println("系统字体数:" + fontCount);
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}
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}
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