package org.newdawn.slick.tests;
import org.newdawn.slick.AppGameContainer;
import org.newdawn.slick.BasicGame;
import org.newdawn.slick.Color;
import org.newdawn.slick.GameContainer;
import org.newdawn.slick.Graphics;
import org.newdawn.slick.Image;
import org.newdawn.slick.Input;
import org.newdawn.slick.SlickException;
import org.newdawn.slick.fills.GradientFill;
import org.newdawn.slick.geom.Polygon;
import org.newdawn.slick.geom.Rectangle;
import org.newdawn.slick.geom.Shape;
/**
* A test for applying gradients to images
*
* @author kevin
*/
public class GradientImageTest extends BasicGame {
/** The first image loaded */
private Image image1;
/** The second image loaded */
private Image image2;
/** The gradient paint we'll apply */
private GradientFill fill;
/** The shape we'll blend across */
private Shape shape;
/** The shape we'll blend across */
private Polygon poly;
/** The container for the test */
private GameContainer container;
/** The angle of rotation */
private float ang;
/** True if we're rotating */
private boolean rotating = false;
/**
* Create a new image rendering test
*/
public GradientImageTest() {
super("Gradient Image Test");
}
/**
* @see org.newdawn.slick.BasicGame#init(org.newdawn.slick.GameContainer)
*/
public void init(GameContainer container) throws SlickException {
this.container = container;
image1 = new Image("testdata/grass.png");
image2 = new Image("testdata/rocks.png");
fill = new GradientFill(-64,0,new Color(1,1,1,1f),64,0,new Color(0,0,0,0));
shape = new Rectangle(336,236,128,128);
poly = new Polygon();
poly.addPoint(320,220);
poly.addPoint(350,200);
poly.addPoint(450,200);
poly.addPoint(480,220);
poly.addPoint(420,400);
poly.addPoint(400,390);
}
/**
* @see org.newdawn.slick.BasicGame#render(org.newdawn.slick.GameContainer, org.newdawn.slick.Graphics)
*/
public void render(GameContainer container, Graphics g) {
g.drawString("R - Toggle Rotationg",10,50);
g.drawImage(image1, 100, 236);
g.drawImage(image2, 600, 236);
g.translate(0, -150);
g.rotate(400, 300, ang);
g.texture(shape, image2);
g.texture(shape, image1, fill);
g.resetTransform();
g.translate(0, 150);
g.rotate(400, 300, ang);
g.texture(poly, image2);
g.texture(poly, image1, fill);
g.resetTransform();
}
/**
* @see org.newdawn.slick.BasicGame#update(org.newdawn.slick.GameContainer, int)
*/
public void update(GameContainer container, int delta) {
if (rotating) {
ang += (delta * 0.1f);
}
}
/**
* 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 GradientImageTest());
container.setDisplayMode(800,600,false);
container.start();
} catch (SlickException e) {
e.printStackTrace();
}
}
/**
* @see org.newdawn.slick.BasicGame#keyPressed(int, char)
*/
public void keyPressed(int key, char c) {
if (key == Input.KEY_R) {
rotating = !rotating;
}
if (key == Input.KEY_ESCAPE) {
container.exit();
}
}
}