Java Slick Image Loading

Slick Loading Image

This section I'll show you how to load an image with " PNG " extension. Let us create a project, inside the project create a new folder to hold
all the images. A picture is shown below.

Look at the SlickLoadImage project, I have created a new folder called " image ". I store all my images into that folder. The reason I do that
because it will be easier for us to manage our files.

Example

/* This is a basic slick program which loads an image */ package slickloadimage; /** * * @author jj */ import org.newdawn.slick.*; public class LoadImage extends BasicGame { //Creates a null image pointer Image push = null; public LoadImage() { //The title of the window super("Load Image"); } /* * Each time a game start, this method will be called */ @Override public void init(GameContainer gc) throws SlickException { //Store the image object into push push = new Image("slickloadimage/image/pushbutton.png"); } /* * Each time the game updates this method is called */ @Override public void update(GameContainer gc, int delta) throws SlickException { } /* * Rendering objects to the screen */ @Override public void render(GameContainer gc, Graphics g) throws SlickException { //Draw the image into the screen at position x=80 and y = 80 push.draw(80,80); } //This is the main method public static void main(String[] args) throws SlickException { //Create a container object AppGameContainer app = new AppGameContainer(new LoadImage()); //Sets the size of the screen width=800, height = 600, fullScreen = false; app.setDisplayMode(800, 600, false); //Start the application app.start(); } }

Click to Download Example

So first we create an image object to hold the Image.

Image push = null;

push is our null image object. Then we load the image into push by specifying the image location. Since we stored the image
in the same directory as our project, all we need to do is this, ("slickloadimage/image/pushbutton.png"). If you look at the
very first image that I provided. slickloadimage is the name of the folder our " java file" is in. Then image is the new folder
we created to store our images and finally the name of the image we are trying to load. Recall, from the last section we
discussed whenever we want to draw objects into the screen, we have to use the render method. Hence, inside the render
method, we have push.draw(80,80), using that to draw the image into the screen. Notice push is the name of the image object.
More image examples in keyInput section.