add image to a JFrame

[erty176]

Hi all, 

 

I am really stuck but I feel like this should be really easy. I am a complete java noob and this is my first JFrame. This is what I have so far and I also have that image somewhere else that I can reference too. Also using netbeans.

 package hardware.jframe; import javax.swing.*;import java.awt.*;import javax.swing.JLabel; import javax.swing.ImageIcon;    public class HardwareJframe extends javax.swing.JFrame{           public static void main ( String [] args )    {        // frame        JFrame frame = new HardwareJframe();        frame.setSize ( 1000, 1000 );        frame.setDefaultCloseOperation( JFrame.EXIT_ON_CLOSE );        frame.setTitle( "Hardware Quiz" );        frame.setVisible( true );                ImageIcon image = new ImageIcon("C:/eclipse7/workspace/Jeopardy/psu2");         JLabel imageLabel = new JLabel(image);             }                }

Edited April 14, 2014 by alpenwasser
added code tags

[NInety]

Just learn more of the language and you'll figure it out.

But I think maybe you're missing a few ;

that's the only thing that looks like it is missing. I'm NOT a Java coder though..... so I'm not 100% sure.

[JamieF]

Hi all, 

 

I am really stuck but I feel like this should be really easy. I am a complete java noob and this is my first JFrame. This is what I have so far and I also have that image somewhere else that I can reference too. Also using netbeans.

 

 package hardware.jframe; import javax.swing.*;import java.awt.*;import javax.swing.JLabel; import javax.swing.ImageIcon;    public class HardwareJframe extends javax.swing.JFrame{           public static void main ( String [] args )    {        // frame        JFrame frame = new HardwareJframe();        frame.setSize ( 1000, 1000 );        frame.setDefaultCloseOperation( JFrame.EXIT_ON_CLOSE );        frame.setTitle( "Hardware Quiz" );        frame.setVisible( true );                ImageIcon image = new ImageIcon("C:/eclipse7/workspace/Jeopardy/psu2");         JLabel imageLabel = new JLabel(image);             }                }

I might be wrong because I don't know Java, but I think you have to have the image extension on the end of the file path. So if it's a jpeg put .jpg etc.

[Nallown]

So the idea is to add a paint component to the object.
so for example lets say you have a label and you'd want to add a image on top of it then you'd create a new JLabel holding a paint component like so.
 

int imageXwithinLabel = 0;int imageYwithinLabel = 0;ImageIcon someImage = new ImageIcon(ImageIO.read(getClass().getResourceAsStream("image/location/from/resource.folder")));;JLabel someLabel = new JLabel("Text in label"){	public void paintComponent(Graphics g) {		g.drawImage(someImage , imageXwithinLabel), imageYwithinLabel, null);		super.paintComponent(g);	}};

So you'd basically have a label called someLabel and inside of it you have a paintComponent which would be the graphics handler. There you manage the graphics such as drawing shapes, images, strings etc.... and then you assign the graphics by calling super.paintComponent(g);

 

If you want to read more about the graphics handler then have a look at the oracle tutorials

[erty176]

Ok so I now have this:

 

package hardware.jframe;

 

import javax.swing.*;

import java.awt.*;

import javax.swing.JLabel; 

import javax.swing.ImageIcon; 

 

 

 

public class HardwareJframe extends javax.swing.JFrame

{   

    

    public static void main ( String [] args )

    {

        // frame

        JFrame frame = new HardwareJframe();

        frame.setSize ( 1000, 900 );

        frame.setDefaultCloseOperation( JFrame.EXIT_ON_CLOSE );

        frame.setTitle( "Hardware Quiz" );

        frame.setVisible( true );

                

    }

    

    public void ImageImport()

    {

        JLabel label = new JLabel();  

        label.setIcon(new ImageIcon("Images/psu2.jpg"));// your image here  

        panel.add(label); 

        this.setLocationRelativeTo(null);

        label.setVisible(true);

        

    }

}

 

 

and there is no errors but the image still wont display

[Nallown]

 

Ok so I now have this:

 

package hardware.jframe;

 

import javax.swing.*;

import java.awt.*;

import javax.swing.JLabel; 

import javax.swing.ImageIcon; 

 

 

 

public class HardwareJframe extends javax.swing.JFrame

{   

    

    public static void main ( String [] args )

    {

        // frame

        JFrame frame = new HardwareJframe();

        frame.setSize ( 1000, 900 );

        frame.setDefaultCloseOperation( JFrame.EXIT_ON_CLOSE );

        frame.setTitle( "Hardware Quiz" );

        frame.setVisible( true );

                

    }

    

    public void ImageImport()

    {

        JLabel label = new JLabel();  

        label.setIcon(new ImageIcon("Images/psu2.jpg"));// your image here  

        panel.add(label); 

        this.setLocationRelativeTo(null);

        label.setVisible(true);

        

    }

}

 

 

and there is no errors but the image still wont display

 

 

So the idea is to add a paint component to the object.

so for example lets say you have a label and you'd want to add a image on top of it then you'd create a new JLabel holding a paint component like so.

 

int imageXwithinLabel = 0;int imageYwithinLabel = 0;ImageIcon someImage = new ImageIcon(ImageIO.read(getClass().getResourceAsStream("image/location/from/resource.folder")));;JLabel someLabel = new JLabel("Text in label"){	public void paintComponent(Graphics g) {		g.drawImage(someImage , imageXwithinLabel), imageYwithinLabel, null);		super.paintComponent(g);	}};

So you'd basically have a label called someLabel and inside of it you have a paintComponent which would be the graphics handler. There you manage the graphics such as drawing shapes, images, strings etc.... and then you assign the graphics by calling super.paintComponent(g);

 

If you want to read more about the graphics handler then have a look at the oracle tutorials

 

if you still don't get it then i could quickly build you a sample app