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Thread: RGB Value of selected pixel in an image?

  1. #1
    Join Date
    Nov 2004
    Location
    Centennial, CO
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    5

    RGB Value of selected pixel in an image?

    I'd like to know how to determine the RGB value of a selected pixel of a loaded image (similar to the eyedropper tool in Photoshop). Given the x and y coordinates from the mouse cursor, I need the RGB value being displayed.

    The RGB value returned can be in one Hex #value or in separate red, green, and blue variables.

  2. #2
    Join Date
    Jan 2004
    Location
    Melbourne, Australia
    Posts
    5,298
    Take a look at the BufferedImage class in the J2EE documentation. The getRGB(int x, int y) method may be what your looking for. The Raster class may also be helpful.

    Regards.

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