BufferedImage widht/height parameters

I want to create a BufferedImage like so:

BufferedImage myImage = new BufferedImage((int)width, (int)height, BufferedImage.TYPE_INT_RGB);

The difficult is that the width and height I have are in inches, so I need to convert inches to pixels. How do I determine the pixels/inch?
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allelopathAsked:
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allelopathAuthor Commented:
I guess something like this:
private static int getPixelsPerInch() {
		
    JFrame myframe = new JFrame("Test");  
    myframe.setSize(20, 20);
    myframe.setVisible(false);

    Toolkit toolkit = myframe.getToolkit();
    int dpi = 0;
    // Next line gets the number of pixels in an inch
    dpi = toolkit.getScreenResolution();

    return dpi;
        
}

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CEHJCommented:
Yes, that kind of approach should be ok
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for_yanCommented:
Theere was a number of dscussions of that question of how to get reliavble screen resolution  on stackoverflow
without much convincing results though:

http://stackoverflow.com/questions/4707756/how-to-correctly-detect-dpi-of-display-with-java

http://stackoverflow.com/questions/6544510/how-to-get-the-screen-dpi-in-java
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