Corners Four corners geometry engine Marko Cebokli Top-left X Top-left Y Top-right X Top-right Y Bottom-right X Bottom-right Y Bottom-left X Bottom-left Y Stretch X Stretch Y Feather Alpha Enable Stretch Nearest neighbor,Bilinear,Bicubic smooth,Bicubic sharp,Spline 4x4,Spline 6x6,Lanczos Interpolation Transparent Background Write on clear,Maximum,Minimum,Add,Subtract Alpha Operation