-extern CGError CGSSetWindowProperty(const CGSConnectionID cid,
- CGSWindowID wid, const CGSValueObj key, const CGSValueObj value);
+extern CGError CGSSetWindowProperty(const CGSConnectionID cid, CGSWindowID wid, const CGSValueObj key, const CGSValueObj value);
+
+extern CGError CGSSetWindowWarp(const CGSConnectionID cid, CGSWindowID wid, int w,int h, float *mesh);
+extern CGError CGSSetWindowTransform(const CGSConnectionID cid, CGSWindowID wid, CGAffineTransform transform);