Reading in an image file

I am trying to read in a jpeg image to a BufferedImage and I am getting an error, "Can't read input file". Here is my code:

Code:

---

package StereoCorrespondence;

import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
import javax.imageio.ImageIO;
/**
 *
 * @author bheussler
 */
public class StereoCorrespondence {
   
    public StereoCorrespondence() throws IOException {

        StereoCorrespondence.loadImage("images/mapleft.jpeg");

    }

    public static BufferedImage loadImage(String ref) throws IOException {
        BufferedImage bimg = null;
        bimg = ImageIO.read(new File(ref));
        System.out.println(bimg.getHeight());
        return bimg;
    }


    public static void main(String[]args) throws IOException {
        StereoCorrespondence stereoCorrespondence = new StereoCorrespondence();

    }

}

---

What's the full exception you get?
Including stack trace.

check the image path u have specified.Make sure its under package images

I got it to work. Here is the code:

Code:

---

/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

package StereoCorrespondence;

import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
import javax.imageio.ImageIO;

/**
 *
 * @author bheussler
 */
public class StereoCorrespondence {
   
    public StereoCorrespondence() throws IOException {

        BufferedImage mapleft = StereoCorrespondence.loadImage("/Users/bheussler/NetBeansProjects/StereoCorrespondence/src/StereoCorrespondence/images/mapleft.jpeg");
        BufferedImage mapright = StereoCorrespondence.loadImage("/Users/bheussler/NetBeansProjects/StereoCorrespondence/src/StereoCorrespondence/images/mapright.jpeg");
        BufferedImage conesleft = StereoCorrespondence.loadImage("/Users/bheussler/NetBeansProjects/StereoCorrespondence/src/StereoCorrespondence/images/conesleft.jpeg");
        BufferedImage conesright = StereoCorrespondence.loadImage("/Users/bheussler/NetBeansProjects/StereoCorrespondence/src/StereoCorrespondence/images/conesright.jpeg");
        BufferedImage teddyleft = StereoCorrespondence.loadImage("/Users/bheussler/NetBeansProjects/StereoCorrespondence/src/StereoCorrespondence/images/teddyleft.jpeg");
        BufferedImage teddyright = StereoCorrespondence.loadImage("/Users/bheussler/NetBeansProjects/StereoCorrespondence/src/StereoCorrespondence/images/teddyright.jpeg");

        System.out.print(mapleft.getHeight());
    }

    public static BufferedImage loadImage(String ref) throws IOException {
        BufferedImage bimg = null;
        bimg = ImageIO.read(new File(ref));
        return bimg;
    }


    public static void main(String[]args) throws IOException {
        StereoCorrespondence stereoCorrespondence = new StereoCorrespondence();

    }

}

---

The only issue is that I have to use the full path location for the images, rather than just referencing them from the local "images" directory.

<class>.getResourceAsStream().

This is the line that I try:

Code:

---

BufferedImage mapleft = StereoCorrespondence.loadImage(getClass().getResourceAsStream("images/mapleft.jpeg"));

---

It doesn't work and says, "Uncompilable source code"

It's the call to ImageIO.read that should have the getResourceAsStream. Unless you've chnged the signature to the loadImage() method to take an InputStream instead of a String.

By the way, I'm sure there's more detail to your problem than simply "Uncompilable source code".

I haven't changed the loadImage(). It still takes a string. So what you are saying is that my code should look like:

Code:

---

BufferedImage mapleft = StereoCorrespondence.loadImage(ImageIO.read(getResourceAsStream("http://www.java-forums.org/images/mapleft.jpeg")));

---

?

ps, i dont know why the code won't display

No no no no no no no no!
(and a couple more for luck ;))

Your loadImage() method has a String parameter.
Your call from a couple of posts up was passing an InputStream into it...hence (at a guess, since you haven't actually said what the error was) your compilation error.

I suggested passing a String in as you were originally, and changing the loadImage() code so it did ImageIO.read(getResourceAsStream(etc etct)), rather than the read(filename) that it is currently doing.