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Texture Atlas Maker

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4.94/5 (16 votes)
1 Apr 2012BSD6 min read 142K   7K   55  
A utility to create texture atlases for 2D OpenGL games
public class TextureSize
{
	protected int width;
	protected int height;
	protected int ixSize;
	public TextureSize(int width, int height)
	{
		this.width = width;
		this.height = height;
		ixSize = 0;
	}
	public int getNumPixels()
	{
		return width*height;
	}
	public int getHeight()
	{
		return height;
	}
	public void setHeight(int height)
	{
		this.height = height;
	}
	public int getWidth()
	{
		return width;
	}
	public void setWidth(int width)
	{
		this.width = width;
	}
	public void incTextureSize()
	{
		// swap height and width if it's not square
		// this is to allow for better fitting of width and tall images
		if (height > width && ixSize % 1 == 0)
		{
			int temp = height;
			height = width;
			width = temp;
		}
		else if (height > width)
			width *= 2;
		else
			height *= 2;
		ixSize++;
	}
	public boolean isMaxSize()
	{
		return height == 1024 && width == 1024;
	}
	public TextureSize clone()
	{
		return new TextureSize(32, 32);
	}
}

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License

This article, along with any associated source code and files, is licensed under The BSD License


Written By
Software Developer Astronautz
Spain Spain
After working in the software industry for many years, I've started my own games company that specialises in strategy games for mobile platforms.

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