Go语言视频零基础入门到精通

五菱

import java.io.File;
import java.awt.image.BufferedImage;
import javax.imageio.ImageIO;
public class test {
public static void main(String args[]) {
  try {
   // 读取第一张图片
   File fileOne = new File("1.jpg");
   BufferedImage ImageOne = ImageIO.read(fileOne);
   int width = ImageOne.getWidth();// 图片宽度
   int height = ImageOne.getHeight();// 图片高度
   // 从图片中读取RGB
    int[] ImageArrayOne = new int[width * height];
    ImageArrayOne = ImageOne.getRGB(0, 0, width, height, ImageArrayOne,0, width);
   // 对第二张图片做相同的处理
   File fileTwo = new File("2.jpg");
   BufferedImage ImageTwo = ImageIO.read(fileTwo);
   int[] ImageArrayTwo = new int[width * height];
   ImageArrayTwo = ImageTwo.getRGB(0, 0, width, height, ImageArrayTwo,0, width);
   // 生成新图片
   // BufferedImage ImageNew = new BufferedImage(width * 2, height,
   // BufferedImage.TYPE_INT_RGB);
   BufferedImage ImageNew = new BufferedImage(width, height*2,BufferedImage.TYPE_INT_RGB);
   ImageNew.setRGB(0, 0, width, height, ImageArrayOne, 0, width);// 设置左半部分的RGB
   ImageNew.setRGB(0, height, width, height, ImageArrayTwo, 0, width);// 设置右半部分的RGB
   File outFile = new File("out.jpg");
   ImageIO.write(ImageNew, "jpg", outFile);// 写图片
   }catch (Exception e) {
      e.printStackTrace();
   }
  }
/**合并多张图片
* Merge all pics in one
* #############
* # pic1 #
* #############
* # pic2 #
* #############
* # pic3 #
* #############
*
* @param pics
* @param dst_pic
* @return
*/
public static boolean merge(String[] pics, String dst_pic, String type) {
int len = pics.length;
if (len < 1) {
  System.out.println("pics len < 1");
  return false;
  }

File[] src = new File[len];
  BufferedImage[] images = new BufferedImage[len];
int[][] ImageArrays = new int[len][];
for (int i = 0; i < len; i++) {
  try {
   src = new File(pics);
   images = ImageIO.read(src);
  } catch (Exception e) {
    e.printStackTrace();
    return false;
  }
int width = images.getWidth();
int height = images.getHeight();
ImageArrays = new int[width * height];// 从图片中读取RGB
ImageArrays = images.getRGB(0, 0, width, height,
ImageArrays, 0, width);
}
int dst_height = 0;
for (int i = 0; i < images.length; i++)
dst_height += images.getHeight();
if (dst_height < 1) {
System.out.println("dst_height < 1");
return false;
}
// 生成新图片
try {
int dst_width = images[0].getWidth();
BufferedImage ImageNew = new BufferedImage(images[0].getWidth(),dst_height, BufferedImage.TYPE_INT_RGB);
int height_i = 0;
for (int i = 0; i < images.length; i++) {
ImageNew.setRGB(0, height_i, dst_width, images.getHeight(),ImageArrays, 0, dst_width);
height_i += images.getHeight();
}
File outFile = new File(dst_pic);
ImageIO.write(ImageNew, type, outFile);// 写图片
} catch (Exception e) {
e.printStackTrace();
return false;
}
return true;
}
}