A little more time intensive, but you might be able to find out the screen manufacturer and model from each device and lookup the information from the manufacturer. This might not be possible (never tried it).
-Donald "Logan Shaw" <[EMAIL PROTECTED]> wrote in message news:[EMAIL PROTECTED] > Erico Franco wrote: > >> My app needs to draw to scale. Other than asking the user to measure a > >> line on his screen, how can I know the device-specific physical width of > >> a pixel, given that it varies across models? > > > Not sure if this is your best choice to find this info: but I remember > > that some licensees used to have hardware draws documents available for > > developer programs used more for hardware accessories designers. > > > > Take a look at pluggedin program if they have for example the hardware > > draw of recent devices, for example: the Lifedrive or Tungstens. > > If you're selling to individuals, here's an approach that just might be > crazy enough to work: first two people to take measurements on any given > device (and send them in to you) will get some kind of freebie, such as > a free registration code for your software. > > Store a table of models for which you already have the answer in the app, > and create a window in the app where you can manually calibrate. If the > app doesn't have a figure for the model it's running on, the manual > calibration window automatically comes up and they're told about the > opportunity for a free license. From there, they're referred to a web > page that shows the latest list of known devices so they don't waste > their time if someone's already claimed the prize. And you force them > to submit the e-mail in a particular format (with a code in the subject > line that your software provides that identifies the hardware) in order > to be eligible for the deal; this allows you to filter the e-mail easily. > > Or maybe you don't even need the freebie incentive to make it work. > People with some new device might be willing to do it just to help out. > All you need is 2 or 3 people per type of hardware who are willing... > > - Logan > -- For information on using the PalmSource Developer Forums, or to unsubscribe, please see http://www.palmos.com/dev/support/forums/
