Scaling mode to draw textures with
Stretches the texture to fill the complete rectangle passed in to GUI.DrawTexture
Scales the texture, maintaining aspect ratio, so it completely covers the position rectangle passed to GUI.DrawTexture. If the texture is being draw to a rectangle with a different aspect ratio than the original, the image is cropped.
Scales the texture, maintaining aspect ratio, so it completely fits withing the position rectangle passed to GUI.DrawTexture.
