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  1. /* package whatever; // don't place package name! */
  2.  
  3. import java.awt.image.BufferedImage;
  4. import java.util.*;
  5. import java.lang.*;
  6. import java.io.*;
  7.  
  8. /* Name of the class has to be "Main" only if the class is public. */
  9. class Ideone
  10. {
  11. 	public static void main (String[] args) throws java.lang.Exception
  12. 	{
  13.  
  14.         int[][] r = {
  15.             {0xFF, 0xFF, 0xFF, 0xFF},
  16.             {0, 0, 0, 0},
  17.             {0, 0, 0, 0},
  18.             {0xFF, 0xFF, 0xFF, 0xFF},
  19.         }; 
  20.         int[][] g = {
  21.             {0, 0, 0, 0},
  22.             {0xFF, 0xFF, 0xFF, 0xFF},
  23.             {0, 0, 0, 0},
  24.             {0xFF, 0xFF, 0xFF, 0xFF},
  25.         }; 
  26.         int[][] b = {
  27.             {0, 0, 0, 0},
  28.             {0, 0, 0, 0},
  29.             {0xFF, 0xFF, 0xFF, 0xFF},
  30.             {0xFF, 0xFF, 0xFF, 0xFF},
  31.         }; 
  32.  
  33.         int width = 4;
  34.         int height = 4;
  35.  
  36.         BufferedImage image = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB); 
  37.  
  38.         for (int y = 0; y < height; y++) {
  39.             for (int x = 0; x < width; x++) {
  40.                 int rgb = r[y][x];
  41.                 rgb = (rgb << 8) + g[y][x]; 
  42.                 rgb = (rgb << 8) + b[y][x];
  43.                 image.setRGB(x, y, rgb);
  44.             }
  45.         }
  46.  
  47.         // Uncomment  to save the image 
  48.         // File outputFile = new File("/output.bmp");
  49.         // ImageIO.write(image, "bmp", outputFile);
  50.     }
  51. }
Success #stdin #stdout 0.12s 321664KB
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https://ideone.com/UmEj5W
language:
Java (HotSpot 12)
created:
9 years ago
visibility:
public

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