Go语言视频零基础入门到精通

javalearner

1. import java.io.File;
   
2. import java.awt.image.BufferedImage;
   
3. import javax.imageio.ImageIO;
   
4. public class test {
   
5. public static void main(String args[]) {
   
6.   try {
   
7.    // 读取第一张图片
   
8.    File fileOne = new File("1.jpg");
   
9.    BufferedImage ImageOne = ImageIO.read(fileOne);
   
10.    int width = ImageOne.getWidth();// 图片宽度
    
11.    int height = ImageOne.getHeight();// 图片高度
    
12.    // 从图片中读取RGB
    
13.     int[] ImageArrayOne = new int[width * height];
    
14.     ImageArrayOne = ImageOne.getRGB(0, 0, width, height, ImageArrayOne,0, width);
    
15.    // 对第二张图片做相同的处理
    
16.    File fileTwo = new File("2.jpg");
    
17.    BufferedImage ImageTwo = ImageIO.read(fileTwo);
    
18.    int[] ImageArrayTwo = new int[width * height];
    
19.    ImageArrayTwo = ImageTwo.getRGB(0, 0, width, height, ImageArrayTwo,0, width);
    
20.    // 生成新图片
    
21.    // BufferedImage ImageNew = new BufferedImage(width * 2, height,
    
22.    // BufferedImage.TYPE_INT_RGB);
    
23.    BufferedImage ImageNew = new BufferedImage(width, height*2,BufferedImage.TYPE_INT_RGB);
    
24.    ImageNew.setRGB(0, 0, width, height, ImageArrayOne, 0, width);// 设置左半部分的RGB
    
25.    ImageNew.setRGB(0, height, width, height, ImageArrayTwo, 0, width);// 设置右半部分的RGB
    
26.    File outFile = new File("out.jpg");
    
27.    ImageIO.write(ImageNew, "jpg", outFile);// 写图片
    
28.    }catch (Exception e) {
    
29.       e.printStackTrace();
    
30.    }
    
31.   }
    
32. /**合并多张图片
    
33. * Merge all pics in one
    
34. * #############
    
35. * # pic1 #
    
36. * #############
    
37. * # pic2 #
    
38. * #############
    
39. * # pic3 #
    
40. * #############
    
41. *
    
42. * @param pics
    
43. * @param dst_pic
    
44. * @return
    
45. */
    
46. public static boolean merge(String[] pics, String dst_pic, String type) {
    
47. int len = pics.length;
    
48. if (len < 1) {
    
49.   System.out.println("pics len < 1");
    
50.   return false;
    
51.   }
    
52. 
    
53. File[] src = new File[len];
    
54.   BufferedImage[] images = new BufferedImage[len];
    
55. int[][] ImageArrays = new int[len][];
    
56. for (int i = 0; i < len; i++) {
    
57.   try {
    
58.    src[i] = new File(pics[i]);
    
59.    images[i] = ImageIO.read(src[i]);
    
60.   } catch (Exception e) {
    
61.     e.printStackTrace();
    
62.     return false;
    
63.   }
    
64. int width = images[i].getWidth();
    
65. int height = images[i].getHeight();
    
66. ImageArrays[i] = new int[width * height];// 从图片中读取RGB
    
67. ImageArrays[i] = images[i].getRGB(0, 0, width, height,
    
68. ImageArrays[i], 0, width);
    
69. }
    
70. int dst_height = 0;
    
71. for (int i = 0; i < images.length; i++)
    
72. dst_height += images[i].getHeight();
    
73. if (dst_height < 1) {
    
74. System.out.println("dst_height < 1");
    
75. return false;
    
76. }
    
77. // 生成新图片
    
78. try {
    
79. int dst_width = images[0].getWidth();
    
80. BufferedImage ImageNew = new BufferedImage(images[0].getWidth(),dst_height, BufferedImage.TYPE_INT_RGB);
    
81. int height_i = 0;
    
82. for (int i = 0; i < images.length; i++) {
    
83. ImageNew.setRGB(0, height_i, dst_width, images[i].getHeight(),ImageArrays[i], 0, dst_width);
    
84. height_i += images[i].getHeight();
    
85. }
    
86. File outFile = new File(dst_pic);
    
87. ImageIO.write(ImageNew, type, outFile);// 写图片
    
88. } catch (Exception e) {
    
89. e.printStackTrace();
    
90. return false;
    
91. }
    
92. return true;
    
93. }
    
94. }
    

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源码下载：http://file.javaxxz.com/2014/10/28/235545765.zip