DrawHelper.java

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 * Copyright (c) 2016
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 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense,
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package jsettlers.main.swing.lookandfeel;

import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Image;
import java.awt.RenderingHints;
import java.awt.image.BufferedImage;

/**
 * Helper class for drawing
 * 
 * @author Andreas Butti
 */
public final class DrawHelper {

	/**
	 * Utility class
	 */
	private DrawHelper() {
	}

	/**
	 * Turn antialiasing on return casted instanced of graphics
	 * 
	 * @param graphics
	 *            Graphics
	 * @return casted Graphics2D
	 */
	public static Graphics2D enableAntialiasing(Graphics graphics) {
		Graphics2D graphics2D = (Graphics2D) graphics;
		graphics2D.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_LCD_HRGB);
		graphics2D.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
		return graphics2D;
	}

	/**
	 * Converts a given Image into a BufferedImage
	 *
	 * @param image
	 *            The Image to be converted
	 * @return The converted BufferedImage
	 */
	public static BufferedImage toBufferedImage(Image image) {
		if (image instanceof BufferedImage) {
			return (BufferedImage) image;
		}

		// Create a buffered image with transparency
		BufferedImage bufferedImage = new BufferedImage(image.getWidth(null), image.getHeight(null), BufferedImage.TYPE_INT_ARGB);

		// Draw the image on to the buffered image
		Graphics2D graphics = bufferedImage.createGraphics();
		graphics.drawImage(image, 0, 0, null);
		graphics.dispose();

		// Return the buffered image
		return bufferedImage;
	}
}