Texture Atlas Maker

import java.util.ArrayList;

public class TexturePuzzle
{
	private ArrayList<TextureSize> listSize;
	public TexturePuzzle(TextureSize textureSize)
	{
		listSize = new ArrayList<TextureSize>();
		listSize.add(textureSize);
	}
	public int getNumTextures()
	{
		return listSize.size();
	}
	public int getHeight(int index)
	{
		return listSize.get(index).getHeight();
	}
	public int getWidth(int index)
	{
		return listSize.get(index).getWidth();
	}
	public int getNumPixels()
	{
		int numPixels = 0;
        for (int n = 0; n < listSize.size(); n++) 
        {
        	numPixels += listSize.get(n).getNumPixels();
        }
		return numPixels;
	}	
	public void getNextSizeFits(int pixels, int maxWidth, int maxHeight)
	{
        do
        {
        	if (pixels <= getNumPixels() && 
        			maxWidth <= getWidth(0) &&
        			maxHeight <= getHeight(0))
        	{
        		break;
        	}
        	incTextureSize();
        } while(true);
	}
	
	public void incTextureSize()
	{
		TextureSize lastTextureSize = listSize.get(listSize.size()-1);
		if (lastTextureSize.isMaxSize())
			listSize.add(lastTextureSize.clone());
		else
			lastTextureSize.incTextureSize();
	}
}