Loading images?

[Stupanic]

I am trying to make a little video game, but am still at the very beggining. The problem i have is with loading the images. I try it with:
Image robinson;
public void init () {
robinson = getImage(getCodeBase(), "picture.jpg");
}
public void paint(Graphics g){
g.drawImage(robinson, 10, 10, this);
}

and it doesn't draw anything. I have no errors or warnings. When i try to get the width of the image robinson, it comes out to be -1. Can anyone give me some ideas? Please?

I am also not putting it on the web right away. The picture files are on my C drive. So i am just using the applet viewer to see what i am doing.

hvala

p.s. could it be the security issue in java? I am making it as an applet. Any insights?

[Wicked_Wesley]

Hi there,
I've got the same problem (see my post) Do you use Windows? Because drawImage also doesn't work with my Windows XP, but on my Linux box is does works, so maybe it's a Windows problem.

-Wesley

[Stupanic]

Well i am glad that i am not the only one with this problem. I am using Windows XP and also am a rookie at Java. It probably is a problem with the Windows XP. Maybe there is a patch for Java or XP or something like that. I'm gonna have to search around the web. In the meantime if anybody has any suggestions or similar problems please do let me know. Thanks for a reply...

p.s. i'm croatian and your english is just fine

[ArchAngel]

Have you guys tried an example which just uses g.drawString(...)? Are you sure you have the Java Runtime Environment installed? If not, get it from http://java.sun.com

[Wicked_Wesley]

Yes, all the other functions do work, I think it might has something to do with NTSF, do you guys all use NTSF? Else it's Windows Xp like said before.

[ArchAngel]

Do you mean NTFS (NT File System)?

I don't think it is XP. I use XP at home and it works fine. I'm on a 2000 machine at work. I'll check when I get home.

[Wicked_Wesley]

Ok, I've done some research, it isn't beacuse of the NTSF file system, I converted to FAT and still doesn't work.

But I did found WHY it won't load an Image. It is because getDocumentBase() returns the name of the used HTML file. Example, you place your applet in a HTML file with the applet tags ("<applet></applet>") called test.html, the getDocumentBase() return "c:\java\test.html" (example) instead of "c:\java\". The same thing happens with getCodeBase().

I'm going to try to find a solution, I guess you have to make an URL object yourself (the getDocumentBase() and getCodetBase() return an URL)

Hope it helps
-Wesley

PS this is how I got to know it:

import java.awt.*;
import java.applet.*;
import java.awt.Image;

public class test extends Applet 
  {
  private Image image;
  int imgwidth;

  public void init()
    {
    image=getImage(getCodeBase(),"lol.gif");
    }
  public void paint(Graphics g)
    {
    imgwidth=image.getWidth(this);
    System.out.print("***Start Test.java***\nImage Path: (Document)' "+ getDocumentBase() +"'\n");

    System.out.print("Image Path: (Code) '"+ getCodeBase() +"'\n");

    g.drawImage(image,10,10,this);
    g.drawString("Width: "+imgwidth,100,100);
    }
  } 

[Stupanic]

This is what i have for now yet it tells me i have a security access exception. It seems as if it were reading the picture and that it would work if i could get around the security check?! What do you guys think?

here it is:

"java.security.AccessControlException: access denied (java.io.FilePermission \C:\JavaPrograms\Paint\a.gif read)"

and here is the code:

public class Test extends java.applet.Applet {

private Image robinson;
URL url;

public void init () {
try {
url = new URL("file:///C:/JavaPrograms/Paint/a.gif");
throw new MalformedURLException();
}
catch(MalformedURLException m){System.out.println("YOu suck!");}
robinson = getImage(url);
}

public void paint(Graphics g){
g.drawImage(robinson,10,10,this);
}

}