ImageGear .NET - Updated
Warp Effect
User Guide > How to Work with... > Image Processing and Cleanup > Advanced Image Processing and Correction > Image Effects > Warp Effect

The WarpCylinder Method, WarpParabolic Method, and WarpSphere Method effects perform a point-to-point stretch of the image to give a warping effect.

Original Image Image with Warp Cylinder Effect
Image with Warp Parabola Effect Image with Warp Sphere Effect