Calculate the largest inSampleSize value that is a power of 2 and keeps both height and width larger than the requested height and width.

here are some useful links about hypot, I tried to use std::hypot(x, y), later changed to std::sqrt(a*a + b*b); http://stackoverflow.com/questions/37

Let (h,k) be the coordinates of the center of the circle, and r its radius. Then the equation of the circle is: (x-h)^2 + (y-k)^2 = r^2 Since t

* An excerpt from a discussion on #gimp that sheds some light on the ideas * behind the algorithm that is being used here. * <clahey> so if a1 >

Special crop of bitmap rotated by not stright angle, in this case the original crop bitmap contains parts beyond the required crop area, this method c

Decode image from uri using given "inSampleSize", but if failed due to out-of-memory then raise the inSampleSize until success.

Fix the given rectangle if it doesn't confirm to aspect ration rule.<br> Make sure that width and height are equal if 1:1 fixed aspect ratio is reques

Get a rectangle for the given 4 points (x0,y0,x1,y1,x2,y2,x3,y3) by finding the min/max 2 points that contains the given 4 points and is a stright rec