Take a look at the javax.imagio package for writing jpegs. ImagIO.write(...) is a simple way to save jpegs. I am not sure how to change the DPI. I think that depends on the number of pixels in your image.
Rob Ross wrote:
Ok I have figured out how to do steps 1-3. But I don't know if I have to do something special when I draw into the Graphics2D so that later when I save it as a JPEG, I can get my resolution of 150 DPI, which is more than the standard ~72 DPI of a screen-drawn image.
So, say I have drawn a 100x100 pixel blue square in my Graphics (at 72 DPI)...how do I turn it into a JPEG at 150 DPI?
Thanks.
Rob
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