am7xxx: add am7xxx_calc_scaled_image_dimensions()
authorAntonio Ospite <ospite@studenti.unina.it>
Thu, 15 Mar 2012 13:05:25 +0000 (14:05 +0100)
committerAntonio Ospite <ospite@studenti.unina.it>
Thu, 15 Mar 2012 13:10:32 +0000 (14:10 +0100)
This function is useful to calculate the dimensions of an image which
will be sent with am7xxx_send_image() in a way that keeps the original
image aspect ratio.


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