Merge pull request #10412 from GregoryMorse:patch-2
Update to add window position and size retrieval to HighGUI (#10412)
* Update highgui.hpp
Add read only property retrieval for enhanced rendering capabilities and more sophisticated research tools
* Update window.cpp
* Update window_w32.cpp
* Update window_QT.cpp
* Update window_QT.h
* Update window_QT.h
* Update window_gtk.cpp
* Update precomp.hpp
* Update highgui_c.h
* Update highgui_c.h
* Update window_w32.cpp
* Update precomp.hpp
* Update window_QT.cpp
* Update window_QT.h
* Update window_gtk.cpp
* Update window_gtk.cpp
* Update window_w32.cpp
* Update window_QT.cpp
* Update window_carbon.cpp
* Update window_cocoa.mm
* Update precomp.hpp
* Update window_cocoa.mm
* Update window_w32.cpp
* Update window_gtk.cpp
* Update window_QT.cpp
* Update window_gtk.cpp
* Update window_QT.cpp
* Update window_cocoa.mm
* Update window_carbon.cpp
* Update window_w32.cpp
* Update window_cocoa.mm
* Update window_gtk.cpp
* Update window_cocoa.mm
* Update window_gtk.cpp
* Update window_cocoa.mm
* Update window_cocoa.mm
* Update window.cpp
* Update test_gui.cpp
* Update test_gui.cpp
* Update test_gui.cpp
* Update highgui_c.h
* Update highgui.hpp
* Update window.cpp
* Update highgui_c.h
* Update test_gui.cpp
* Update highgui.hpp
* Update window.cpp
* Update window.cpp
* Update window.cpp
* Update window.cpp
* Update window.cpp