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

modules/highgui/include/opencv2/highgui.hpp

@@ -442,6 +442,16 @@ The function getWindowProperty returns properties of a window.
  */
 CV_EXPORTS_W double getWindowProperty(const String& winname, int prop_id);
 
+/** @brief Provides rectangle of image in the window.
+
+The function getWindowImageRect returns the client screen coordinates, width and height of the image rendering area.
+
+@param winname Name of the window.
+
+@sa resizeWindow moveWindow
+ */
+CV_EXPORTS_W Rect getWindowImageRect(const String& winname);
+
 /** @brief Sets mouse handler for the specified window
 
 @param winname Name of the window.

modules/highgui/include/opencv2/highgui/highgui_c.h

@@ -135,6 +135,9 @@ CVAPI(int) cvNamedWindow( const char* name, int flags CV_DEFAULT(CV_WINDOW_AUTOS
 CVAPI(void) cvSetWindowProperty(const char* name, int prop_id, double prop_value);
 CVAPI(double) cvGetWindowProperty(const char* name, int prop_id);
 
+/* Get window image rectangle coordinates, width and height */
+CVAPI(cv::Rect)cvGetWindowImageRect(const char* name);
+
 /* display image within window (highgui windows remember their content) */
 CVAPI(void) cvShowImage( const char* name, const CvArr* image );