Get image's width and height faster


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  1. #1
    Join Date
    Nov 2005
    Posts
    1

    Get image's width and height faster

    Hi,
    I have problem how to get image's width and height (represented by file.jpg) faster.
    Using BufferedImage's getWidth() or getHeight() methods is very slow cause I have to read the whole image via ImageIO.read().

    Is there a way how to get image's height and width much faster ?

    Thank you for your advices.

  2. #2
    Join Date
    Nov 2005
    Posts
    9
    I hope this helps:

    Toolkit tk=Toolkit.getDefaultToolkit();
    IMG=tk.getImage(".\\background.jpg");

    MediaTracker mt = new MediaTracker(this);
    mt.addImage(IMG,0);
    try{
    mt.waitForAll();
    }catch(InterruptedException e)
    {System.out.println(e.getMessage());};

    //now IMG.getWidth, IMG.getHeight see documentation of java.awt.Image class

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