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.SlickException;
/**
* A test for reading image data from a teture
*
* @author kevin
*/
public class ImageReadTest extends BasicGame {
/** The image loaded to be read */
private Image image;
/** The four pixels read */
private Color[] read = new Color[6];
/** The main graphics context */
private Graphics g;
/**
* Create a new image reading test
*/
public ImageReadTest() {
super("Image Read Test");
}
/**
* @see org.newdawn.slick.BasicGame#init(org.newdawn.slick.GameContainer)
*/
public void init(GameContainer container) throws SlickException {
image = new Image("testdata/testcard.png");
read[0] = image.getColor(0, 0);
read[1] = image.getColor(30, 40);
read[2] = image.getColor(55, 70);
read[3] = image.getColor(80, 90);
}
/**
* @see org.newdawn.slick.BasicGame#render(org.newdawn.slick.GameContainer, org.newdawn.slick.Graphics)
*/
public void render(GameContainer container, Graphics g) {
this.g = g;
image.draw(100,100);
g.setColor(Color.white);
g.drawString("Move mouse over test image", 200, 20);
g.setColor(read[0]);
g.drawString(read[0].toString(), 100,300);
g.setColor(read[1]);
g.drawString(read[1].toString(), 150,320);
g.setColor(read[2]);
g.drawString(read[2].toString(), 200,340);
g.setColor(read[3]);
g.drawString(read[3].toString(), 250,360);
if (read[4] != null) {
g.setColor(read[4]);
g.drawString("On image: "+read[4].toString(), 100,250);
}
if (read[5] != null) {
g.setColor(Color.white);
g.drawString("On screen: "+read[5].toString(), 100,270);
}
}
/**
* @see org.newdawn.slick.BasicGame#update(org.newdawn.slick.GameContainer, int)
*/
public void update(GameContainer container, int delta) {
int mx = container.getInput().getMouseX();
int my = container.getInput().getMouseY();
if ((mx >= 100) && (my >= 100) && (mx < 200) && (my < 200)) {
read[4] = image.getColor(mx-100,my-100);
} else {
read[4] = Color.black;
}
read[5] = g.getPixel(mx, my);
}
/**
* 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 ImageReadTest());
container.setDisplayMode(800,600,false);
container.start();
} catch (SlickException e) {
e.printStackTrace();
}
}
}