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Java - rotate -90°/90°

/ Published in: Java
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  1. public BufferedImage rotate90DX(BufferedImage bi)
  2. 	{
  3. 		int width = bi.getWidth();
  4. 		int height = bi.getHeight();
  5.  
  6. 		BufferedImage biFlip = new BufferedImage(height, width, bi.getType());
  7.  
  8. 		for(int i=0; i<width; i++)
  9. 			for(int j=0; j<height; j++)
  10. 				biFlip.setRGB(height-1-j, width-1-i, bi.getRGB(i, j));
  11.  
  12. 		return biFlip;
  13. 	}
  14.  
  15.  
  16. 	public BufferedImage rotate90SX(BufferedImage bi)
  17. 	{
  18. 		int width = bi.getWidth();
  19. 		int height = bi.getHeight();
  20.  
  21. 		BufferedImage biFlip = new BufferedImage(height, width, bi.getType());
  22.  
  23. 		for(int i=0; i<width; i++)
  24. 			for(int j=0; j<height; j++)
  25. 				biFlip.setRGB(j, i, bi.getRGB(i, j));
  26.  
  27. 		return biFlip;
  28. 	}

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