进行图片对比时候想把两张有差异的图片放到一起,方便人工查看下,在网上搜了一些,有纵向合并的。
将纵向合并的自己调整了下,源码如下:
import java.io.File; import java.awt.image.BufferedImage; import javax.imageio.ImageIO; public class TestPic { public static void main(String[] args) { xPic(); }
public static void xPic(){//横向处理图片 try { /* 1 读取第一张图片*/ File fileOne = new File("E:\1.png"); BufferedImage imageFirst = ImageIO.read(fileOne); int width = imageFirst.getWidth();// 图片宽度 int height = imageFirst.getHeight();// 图片高度 int[] imageArrayFirst = new int[width * height];// 从图片中读取RGB imageArrayFirst = imageFirst.getRGB(0, 0, width, height, imageArrayFirst, 0, width); /* 1 对第二张图片做相同的处理 */ File fileTwo = new File("E:\2.png"); BufferedImage imageSecond = ImageIO.read(fileTwo); int[] imageArraySecond = new int[width * height]; imageArraySecond = imageSecond.getRGB(0, 0, width, height, imageArraySecond, 0, width); // 生成新图片 BufferedImage imageResult = new BufferedImage(width * 2 , height,BufferedImage.TYPE_INT_RGB); imageResult.setRGB(0, 0, width, height, imageArrayFirst, 0, width);// 设置左半部分的RGB imageResult.setRGB(width, 0, width, height, imageArraySecond, 0, width);// 设置右半部分的RGB File outFile = new File("D:\out.jpg"); ImageIO.write(imageResult, "jpg", outFile);// 写图片 } catch (Exception e) { e.printStackTrace(); } } public static void yPic(){//纵向处理图片 try { /* 1 读取第一张图片*/ File fileOne = new File("D:\1.GIF"); BufferedImage imageFirst = ImageIO.read(fileOne); int width = imageFirst.getWidth();// 图片宽度 int height = imageFirst.getHeight();// 图片高度 int[] imageArrayFirst = new int[width * height];// 从图片中读取RGB imageArrayFirst = imageFirst.getRGB(0, 0, width, height, imageArrayFirst, 0, width); /* 1 对第二张图片做相同的处理 */ File fileTwo = new File("D:\1.GIF"); BufferedImage imageSecond = ImageIO.read(fileTwo); int[] imageArraySecond = new int[width * height]; imageArraySecond = imageSecond.getRGB(0, 0, width, height, imageArraySecond, 0, width); // 生成新图片 BufferedImage imageResult = new BufferedImage(width, height * 2,BufferedImage.TYPE_INT_RGB); imageResult.setRGB(0, 0, width, height, imageArrayFirst, 0, width);// 设置左半部分的RGB imageResult.setRGB(0, height, width, height, imageArraySecond, 0, width);// 设置右半部分的RGB File outFile = new File("D:\out.jpg"); ImageIO.write(imageResult, "jpg", outFile);// 写图片 } catch (Exception e) { e.printStackTrace(); } } }
直接运行即可。
本文转自:http://cxr1217.iteye.com/blog/1638681