Fixed bug in Q/pie tool. When fir tool size to parent, don't let width or height be zero.
Fixed bug in Q/pie tool.
When fir tool size to parent, don't let width or height be zero.

EGreg/Platform,AndreyTepaykin/Platform,EGreg/Platform,AndreyTepaykin/Platform,Qbix/Platform,AndreyTepaykin/Platform,EGreg/Platform,Qbix/Platform,EGreg/Platform,AndreyTepaykin/Platform,Qbix/Platform,Qbix/Platform