message: fix for highgui w32 ogl: correct calculation of image coordinates from window coordinates
diff: #include <functional>
  #include "opencv2/highgui.hpp"
  #include <GL/gl.h>
  +#include "opencv2/core/opengl.hpp"
  #endif
  static const char* trackbar_text =
  @@ -1489,7 +1490,20 @@ MainWindowProc( HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam )
  GetClientRect( window->hwnd, &rect );
  SIZE size = {0,0};
  +#ifdef HAVE_OPENGL
  + if (window->useGl)
  + {
  + cv::ogl::Texture2D* texObj = static_cast<cv::ogl::Texture2D*>(window->glDrawData);
  + size.cx = texObj->cols();
  + size.cy = texObj->rows();
  + }
  + else
  + {
  icvGetBitmapData(window, &size, 0, 0);
  + }
  +#else
  + icvGetBitmapData(window, &size, 0, 0);
  +#endif
  window->on_mouse( event, pt.x*size.cx/MAX(rect.right - rect.left,1),
  pt.y*size.cy/MAX(rect.bottom - rect.top,1), flags,
  @@ -1683,7 +1697,21 @@ static LRESULT CALLBACK HighGUIProc( HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM
  SIZE size = {0, 0};
  GetClientRect( window->hwnd, &rect );
  +
  +#ifdef HAVE_OPENGL
  + if (window->useGl)
  + {
  + cv::ogl::Texture2D* texObj = static_cast<cv::ogl::Texture2D*>(window->glDrawData);
  + size.cx = texObj->cols();
  + size.cy = texObj->rows();
  + }
  + else
  + {
  icvGetBitmapData(window, &size, 0, 0);
  + }
  +#else
  + icvGetBitmapData( window, &size, 0, 0 );
  +#endif
  window->on_mouse( event, pt.x*size.cx/MAX(rect.right - rect.left,1),
  pt.y*size.cy/MAX(rect.bottom - rect.top,1), flags,
  