spark ar Scale (resize, deformatiom) gallery texture from slider

This patch allows the user to change the proportions of the uploaded photo or video.

INPUTS:
To "ScreenSize" connect "Device" (Screen Size)

OUTPUTS:
To "Output: conntect "Scale" of your texture

Parameter adjustment:
To Range Min - sets the minimum value for the texture size.
To Range Max - sets the maximum value for the texture size.
Multiply - the multiplication factor for the fine adjustment changing the aspect ratio.