#图片处理

ImageHandler.java

package com.shishu.service;

import java.awt.Color;
import java.awt.Font;
import java.awt.Graphics2D;
import java.awt.Image;
import java.awt.RenderingHints;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;

import javax.imageio.ImageIO;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

public class GenerateDynamicHeathImage {
	 
	Log log = LogFactory.getLog(GenerateDynamicHeathImage.class);
 
	/**
	 * 生成图片方法
	 * @author WQ
	 * @param inPath
	 * @param outPath
	 * @param content
	 * @param img
	 * @param font
	 * @param start_point_x
	 * @param start_point_y
	 */
	public void generateImage(String inPath, String outPath,
			String[][] content, Image img, Font font, int start_point_x,
			int start_point_y) {
		try {
			File file = new File(inPath);
			Image image = ImageIO.read(file);
			int height = image.getHeight(null);
			int width = image.getWidth(null);
			int text_x = 0;
			int text_y = 0;
			int img_x = 0;
			int img_y = 0;
			int line_y = 498;
			Color color = new Color(89, 89, 89);
			BufferedImage bufferedImage = new BufferedImage(width, height,
					BufferedImage.TYPE_INT_RGB);
			Graphics2D graphics = bufferedImage.createGraphics();
			//文字去锯齿
			graphics.drawImage(image, 0, 0, width, height, null);
			graphics.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
					RenderingHints.VALUE_ANTIALIAS_ON);
			graphics.setRenderingHint(RenderingHints.KEY_STROKE_CONTROL,
					RenderingHints.VALUE_STROKE_NORMALIZE);
			graphics.setRenderingHint(RenderingHints.KEY_RENDERING,
					RenderingHints.VALUE_RENDER_QUALITY);
			if (img != null) {
				graphics.setFont(font);
				text_x = start_point_x;
				text_y = start_point_y;
				for (int i = 0; i < content.length; i++) {
					String[] tempData = content[i];
					color = new Color(89, 89, 89);
					text_x = start_point_x;
					if (i == 1){
						text_y += 110;
						img_y += 140;
					} else if (i != 0 && i > 1){
						text_y += 100;
						img_y += 130;
					}
					line_y += 132;
					for (int j = 0; j < tempData.length; j++) {
						if (j == 1) {
							text_y += 50;
							color = new Color(171, 171, 171);
							graphics.drawLine(12, line_y, 750 - 12, line_y);
						} else if (j == 2) {
							text_x = width - 124;
							text_y -= 20;
							img_x = 50;
							if (tempData[2].equals("过高")){
								color = new Color(255, 80, 80);
							} else {
								color = new Color(71, 207, 162);
							}
							graphics.drawImage(img, img_x, img_y, null);
						}
						graphics.setColor(color);
						graphics.drawString(tempData[j], text_x, text_y);
					}
				}
 
			} else {
				System.out.println("构建数据的图片对象为空...");
			}
			FileOutputStream fileOutputStream = new FileOutputStream(outPath);
			ImageIO.write(bufferedImage, "png", fileOutputStream);
			System.out.println("图片添加文字完成" + width + "---" + height);
			fileOutputStream.flush();
			fileOutputStream.close();
		} catch (IOException e) {
			log.info("io exception :" + e);
		}
	}
 
	public static void main(String[] args) {
		Font font = new Font("微软雅黑", Font.PLAIN, 30);
		String inPath = "/Users/Johnnian/tmp/image/bg.png";
		String outPath = "/Users/Johnnian/tmp/image/out.png";
		/*String inPath = "D:/TestGenerateImage/DynamicImage/Test.jpg";
		String outPath = "D:/TestGenerateImage/DynamicImage/Test1.jpg";*/
		String[][] textConent = {
				{ "血压(非空腹) : 6.0mmol/L", "时间: 2017年9月16日 10:52", "正常" },
				{ "血压(非空腹) : 13.0mmol/L", "时间: 2017年9月16日 15:47", "过高" },
				{ "血压(非空腹) : 6.3mmol/L", "时间: 2017年9月16日 16:13", "正常" } ,
				{ "血压(非空腹) : 6.6mmol/L", "时间: 2017年9月17日 10:24", "正常" },
				{ "血压(非空腹) : 15.1mmol/L", "时间: 2017年9月17日 11:10", "过高" } };
		int x = 0;
		int y = 0;
		try {
			new GenerateDynamicHeathImage().generateImage(inPath, outPath,
					textConent, ImageIO.read(new File(
							"/Users/Johnnian/tmp/image/icon.png")), font, x, y);
		} catch (IOException e) {
			e.printStackTrace();
		}
	}
 
}