Wolfgang Steffens <WolfgangSteff@gmail.com> [Mon, 14 May 2012 19:26:50 +0200] rev 7080
Refactored TTexture to allow encoding sprite(s) at an arbitrary location within
a (possibly shared) physical texture.
The original variant only allowed encoding a sprite at the bottomleft of a
larger physical texture to use NPOT sprites on POT only supporting systems.