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package com.tanzhou.imageDemo; import java.awt.Color; import java.awt.Font; import java.awt.Graphics; import java.awt.Image; import java.awt.image.BufferedImage; import java.io.File; import java.io.FileOutputStream; import java.io.IOException; import javax.imageio.ImageIO; import com.sun.image.codec.jpeg.JPEGCodec; import com.sun.image.codec.jpeg.JPEGImageEncoder; public class ImageDemo { /** * 把图片印刷到目标图片上 * @param pressImg 水印文件 * @param targetImg 目标文件 * @param x 横坐标 * @param y 纵坐标 */ public final static void pressImage(String pressImg,String targetImg,int x,int y){ //目标文件 try { File _file = new File(targetImg); // 获取图片 Image src = ImageIO.read(_file); // file 文件对象转换成image对象 int width = src.getWidth(null); int height = src.getHeight(null); System.out.println(width+"========="+height); BufferedImage image = new BufferedImage(width,height,BufferedImage.TYPE_INT_RGB); Graphics g = image.createGraphics(); // Graphics 是java中处理图片的类 g.drawImage(src,0,0,width,height,null); // 水印文件 File _filebiao = new File(pressImg); Image src_biao = ImageIO.read(_filebiao); int width_biao = src_biao.getWidth(null); // 图片宽度 int height_biao = src_biao.getHeight(null); // 图片高度 g.drawImage(src_biao,(width-width_biao)/2,(height-height_biao)/2,width_biao,height_biao,null); g.dispose(); // 结束文件对象的处理 FileOutputStream out = new FileOutputStream(targetImg); /** * JPEGCodec 的作用是创建一个和指定输出流关联的JPEGImageEncoder */ JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(out); encoder.encode(image); out.close(); } catch (IOException e) { e.printStackTrace(); } } /** * * @param pressText 文字 * @param targetImg 目标图片 * @param fontName 字体名 * @param fontStyle 字体样式 * @param color 颜色 0-255 * @param fontSize 大小 12 * @param x 横坐标 * @param y 纵坐标 */ public static void pressText(String pressText,String targetImg,String fontName,int fontStyle,int color,int fontSize,int x,int y){ try { File file = new File(targetImg); Image src = ImageIO.read(file); int width = src.getWidth(null); int height = src.getHeight(null); BufferedImage image = new BufferedImage(width,height,BufferedImage.TYPE_INT_RGB); Graphics g = image.createGraphics(); g.drawImage(src,0,0,width,height,null); g.setColor(Color.RED); g.setFont(new Font(fontName,fontStyle,fontSize)); g.drawString(pressText, width-fontSize-x, height-fontSize/2-y); g.dispose(); FileOutputStream out = new FileOutputStream(targetImg); JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(out); encoder.encode(image); out.close(); } catch (IOException e) { e.printStackTrace(); } } public static void main(String[] args){ pressImage("C:\\Users\\Tony Liu\\Desktop\\image\\4.jpg","C:\\Users\\Tony Liu\\Desktop\\image\\5.jpg",120,120); pressText("中山学院-Java软件工程师","C:\\Users\\Tony Liu\\Desktop\\image\\5.jpg","宋体",16,120,16,250,100); } }
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原文地址:http://www.cnblogs.com/Deng1185246160/p/4279724.html