game_ios/RunGame/Classes/UI/OrientationSupport.h

#pragma once

#include <CoreGraphics/CGAffineTransform.h>

#if !PLATFORM_TVOS
ScreenOrientation       ConvertToUnityScreenOrientation(UIInterfaceOrientation hwOrient);
UIInterfaceOrientation  ConvertToIosScreenOrientation(ScreenOrientation orient);
#endif

#if !PLATFORM_TVOS
UIInterfaceOrientation  UIViewControllerInterfaceOrientation(UIViewController* controller);
#endif
ScreenOrientation       UIViewControllerOrientation(UIViewController* controller);

CGAffineTransform       TransformForOrientation(ScreenOrientation curOrient);
CGAffineTransform       TransformBetweenOrientations(ScreenOrientation fromOrient, ScreenOrientation toOrient);

ScreenOrientation       OrientationAfterTransform(ScreenOrientation curOrient, CGAffineTransform transform);

void                    OrientView(UIViewController* host, UIView* view, ScreenOrientation to);