added sources for Slick

Former-commit-id: 1647fa32ef6894bd7db44f741f07c2f4dcdf9054
Former-commit-id: 0e5810dcfbe1fd59b13e7cabe9f1e93c5542da2d

lib/slick-source/org/newdawn/slick/tests/CachedRenderTest.java

@@ -0,0 +1,88 @@
+package org.newdawn.slick.tests;
+
+import org.newdawn.slick.AppGameContainer;
+import org.newdawn.slick.BasicGame;
+import org.newdawn.slick.CachedRender;
+import org.newdawn.slick.Color;
+import org.newdawn.slick.GameContainer;
+import org.newdawn.slick.Graphics;
+import org.newdawn.slick.Input;
+import org.newdawn.slick.SlickException;
+
+/**
+ * A simple test to show performance gains from cache operations in situtations where
+ * rendering is static and heavy
+ * 
+ * @author kevin
+ */
+public class CachedRenderTest extends BasicGame {
+	/** The set of operations to be cached */
+	private Runnable operations;
+	/** The cached version of the operations */
+	private CachedRender cached;
+	/** True if we're drawing the cached version */
+	private boolean drawCached;
+	
+	/**
+	 * Create a new simple test for cached rendering (aka display lists)
+	 */
+	public CachedRenderTest() {
+		super("Cached Render Test");
+	}
+	
+	/**
+	 * @see org.newdawn.slick.BasicGame#init(org.newdawn.slick.GameContainer)
+	 */
+	public void init(final GameContainer container) throws SlickException {
+		operations = new Runnable() {
+			public void run() {
+				for (int i=0;i<100;i++) {
+					int c = i+100;
+					container.getGraphics().setColor(new Color(c,c,c,c));
+					container.getGraphics().drawOval((i*5)+50,(i*3)+50,100,100);
+				}
+			}
+		};
+		
+		cached = new CachedRender(operations);
+	}
+
+	/**
+	 * @see org.newdawn.slick.BasicGame#update(org.newdawn.slick.GameContainer, int)
+	 */
+	public void update(GameContainer container, int delta) throws SlickException {
+		if (container.getInput().isKeyPressed(Input.KEY_SPACE)) {
+			drawCached = !drawCached;
+		}
+	}
+
+	/**
+	 * @see org.newdawn.slick.Game#render(org.newdawn.slick.GameContainer, org.newdawn.slick.Graphics)
+	 */
+	public void render(GameContainer container, Graphics g) throws SlickException {
+		g.setColor(Color.white);
+		g.drawString("Press space to toggle caching", 10, 130);
+		if (drawCached) {
+			g.drawString("Drawing from cache", 10, 100);
+			cached.render();
+		} else {
+			g.drawString("Drawing direct", 10, 100);
+			operations.run();
+		}
+	}
+
+	/**
+	 * Entry point to our test
+	 * 
+	 * @param argv The arguments to pass into the test
+	 */
+	public static void main(String[] argv) {
+		try {
+			AppGameContainer container = new AppGameContainer(new CachedRenderTest());
+			container.setDisplayMode(800,600,false);
+			container.start();
+		} catch (SlickException e) {
+			e.printStackTrace();
+		}
+	}
+}