Re: [android-developers] Non-square pixels

No, Android fundamentally has no current support for non-square pixels.

On Wed, Apr 25, 2012 at 5:23 AM, SytheZN <sythe.zn@gmail.com> wrote:

I realise this may have been asked before, but I'm struggling to find any relevant information.

 

First things first, I've got a cheapy tablet (Zenithink C7).

 

The display resolution is 800x480 which works out to 5:3.

The physical dimensions are 154x85.5mm which gives me an approx. physical aspect of 9:5.

 

Given these variables, pixel aspect should be 27:25.

 

If I resize an image or video to match this pixel aspect the distortion is not noticible.

Unfortunately, the rest of the system (GUI .etc) all appear stretched.

 

My query is this:

Although the compliance specs say the pixel aspect should be 1:1, is there any way I can tweak the graphics

subsystem to account for the variance in pixel aspect?

 

I'm not overly concerned with OpenGL correction, but it'd be nice if i could sort out the aspect ratio system-wide.

 

My thoughts were to perhaps give the UI subsystem a fictitious resolution (i.e. 864x480) to display on screen.

 

Is this possible?

If so, how would i go about it?

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Dianne Hackborn
Android framework engineer
hackbod@android.com

Note: please don't send private questions to me, as I don't have time to provide private support, and so won't reply to such e-mails.  All such questions should be posted on public forums, where I and others can see and answer them.

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