DZone Snippets: flip code

Matlab - DoubleFlip Image

whitetiger () — Thu, 02 Nov 2006 01:08:50 GMT

// Flip Width & Height



function flipIMG=DoubleFlip(img)



    tic



    flipIMG = img([1:end/2, end/2:-1:1], [1:end/2, end/2:-1:1], :);



    toc

Java - HalfFlipH / HalfFlipW

whitetiger () — Tue, 31 Oct 2006 04:57:12 GMT



	public BufferedImage halfFlipW(BufferedImage bi)

	{

		int width = bi.getWidth();

		int height = bi.getHeight();

		

		BufferedImage biFlip = new BufferedImage(width, height, bi.getType());

		

		for(int i=0; i			for(int j=0; j			{

				biFlip.setRGB(i, j, bi.getRGB(i, j));

				biFlip.setRGB(i, (height-1)-j, bi.getRGB(i, j));

			}

		

		return biFlip;

	}



	public BufferedImage halfFlipH(BufferedImage bi)

	{

		int width = bi.getWidth();

		int height = bi.getHeight();

		

		BufferedImage biFlip = new BufferedImage(width, height, bi.getType());

		

		for(int i=0; i			for(int j=0; j			{

				biFlip.setRGB(i, j, bi.getRGB(i, j));

				biFlip.setRGB((width-1)-i, j, bi.getRGB(i, j));

			}

		

		return biFlip;

	}

Java - FlipH / FlipW

whitetiger () — Tue, 31 Oct 2006 04:49:26 GMT



public BufferedImage flipH(BufferedImage bi)

	{

		int width = bi.getWidth();

		int height = bi.getHeight();

		

		BufferedImage biFlip = new BufferedImage(width, height, bi.getType());

		

		for(int i=0; i			for(int j=0; j				biFlip.setRGB((width-1)-i, j, bi.getRGB(i, j));

		

		return biFlip;

	}

	

	public BufferedImage flipW(BufferedImage bi)

	{

		int width = bi.getWidth();

		int height = bi.getHeight();

		

		BufferedImage biFlip = new BufferedImage(width, height, bi.getType());

		

		for(int i=0; i			for(int j=0; j				biFlip.setRGB(i, (height-1)-j, bi.getRGB(i, j));

		

		return biFlip;

	}