How to distort an Image in OpenCV?

I see that there are several ways to distort an image. like...Circle, Diffuse, Marble, Ripple, Twirl, Water, ...

I have come across some ipl functions like, iplRotateCenter(), iplWarpAffine(), iplShear() etc. does OpenCV have any such functions? if i need to use the ipl library in open开发者_高级运维cv, how to do it?

---

Open CV has such functions. Old openCV (C inreface), methods like cvWarpPerspective(), cvRemap(), cvLogPolar() New openCV (C++ inreface), methods like warpPerspective(), remap(),...