How do I properly load a BufferedImage in java?

Question

Okay, so I've been trying to load a BufferedImage using this code:

URL url = this.getClass().getResource("test.png");
BufferedImage img = (BufferedImage) Toolkit.getDefaultToolkit().getImage(url);

This gives me a type cast error when I run it though, so how do I properly load a BufferedImage?

Even if you have reasons to use Toolkit over ImageIO, this isn't the best method to call, because it will hold on to the image even after you're done with it. A better method to call is Toolkit.createImage(URL url) — MiguelMunoz, Sep 08 '21 at 07:16
Cast fails with Oracle-Java 8: sun.awt.image.ToolkitImage cannot be cast to java.awt.image.BufferedImage — Sam Ginrich, Dec 04 '22 at 10:18

score 107 · Accepted Answer · answered Mar 02 '09 at 04:35

107

Use ImageIO.read() instead:

BufferedImage img = ImageIO.read(url);

answered Mar 02 '09 at 04:35

Zach Scrivena

29,073
11
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If you're looking for a pure Java alternative to `ImageIO` (ex: security reasons), there is [Apache Commons Imaging](https://commons.apache.org/proper/commons-imaging/) – ATOMP Aug 13 '21 at 18:19

score 6 · Answer 2 · answered Sep 02 '15 at 04:41

6

BufferedImage img = null;
try {
    img = ImageIO.read(new File("D:\\work\\files\\logo.jpg"));
} catch (IOException e) {
    // TODO Auto-generated catch block
    e.printStackTrace();
}

answered Sep 02 '15 at 04:41

Usman

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Probably not the best place to catch the exception. – Steve Smith Aug 09 '16 at 11:48

How do I properly load a BufferedImage in java?

2 Answers2

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