From 2a18c29f97e51139b4509691b321f6aeccacc2ea Mon Sep 17 00:00:00 2001
From: "Eunki, Hong" <eunkiki.hong@samsung.com>
Date: Tue, 4 Oct 2022 18:33:15 +0900
Subject: [PATCH] [Tizen] Rotate camera when screen orientation is changed.

This reverts commit 4fed653d5f5822476348f0967eacc6fe6dba795d.

Change-Id: Ia6af014aa3fe28b97878c5dbdf25c610a7594e1a
---
 .../controls/scene-view/scene-view-impl.cpp        | 41 ++++++++++++++++++++--
 .../internal/controls/scene-view/scene-view-impl.h | 12 +++++++
 2 files changed, 51 insertions(+), 2 deletions(-)

diff --git a/dali-scene3d/internal/controls/scene-view/scene-view-impl.cpp b/dali-scene3d/internal/controls/scene-view/scene-view-impl.cpp
index 61962b5..0c5b792 100644
--- a/dali-scene3d/internal/controls/scene-view/scene-view-impl.cpp
+++ b/dali-scene3d/internal/controls/scene-view/scene-view-impl.cpp
@@ -25,6 +25,8 @@
 #include <dali-toolkit/internal/controls/control/control-data-impl.h>
 #include <dali-toolkit/public-api/image-loader/image-url.h>
 #include <dali-toolkit/public-api/image-loader/image.h>
+#include <dali/devel-api/actors/camera-actor-devel.h>
+#include <dali/devel-api/adaptor-framework/window-devel.h>
 #include <dali/devel-api/common/stage.h>
 #include <dali/integration-api/adaptor-framework/adaptor.h>
 #include <dali/integration-api/debug.h>
@@ -56,13 +58,15 @@ BaseHandle Create()
 DALI_TYPE_REGISTRATION_BEGIN(Scene3D::SceneView, Toolkit::Control, Create);
 DALI_TYPE_REGISTRATION_END()
 
-Property::Index RENDERING_BUFFER = Dali::Toolkit::Control::CONTROL_PROPERTY_END_INDEX + 1;
+Property::Index   RENDERING_BUFFER    = Dali::Toolkit::Control::CONTROL_PROPERTY_END_INDEX + 1;
+constexpr int32_t DEFAULT_ORIENTATION = 0;
 
 } // anonymous namespace
 
 SceneView::SceneView()
 : Control(ControlBehaviour(CONTROL_BEHAVIOUR_DEFAULT)),
-  mIblLoadedCallback(nullptr)
+  mIblLoadedCallback(nullptr),
+  mScreenOrientation(DEFAULT_ORIENTATION)
 {
 }
 
@@ -250,12 +254,25 @@ void SceneView::OnSceneConnection(int depth)
 {
   UpdateRenderTask();
 
+  Window window = DevelWindow::Get(Self());
+  if(window)
+  {
+    window.ResizeSignal().Connect(this, &SceneView::OnWindowResized);
+  }
+
   Control::OnSceneConnection(depth);
 }
 
 void SceneView::OnSceneDisconnection()
 {
   mModels.clear();
+
+  Window window = DevelWindow::Get(Self());
+  if(window)
+  {
+    window.ResizeSignal().Disconnect(this, &SceneView::OnWindowResized);
+  }
+
   Control::OnSceneDisconnection();
 }
 
@@ -407,6 +424,26 @@ void SceneView::UpdateRenderTask()
         mTexture.Reset();
       }
     }
+
+    RotateCamera();
+  }
+}
+
+void SceneView::OnWindowResized(Window window, Window::WindowSize size)
+{
+  mScreenOrientation = DevelWindow::GetPhysicalOrientation(window);
+  RotateCamera();
+}
+
+void SceneView::RotateCamera()
+{
+  if(mUseFrameBuffer)
+  {
+    DevelCameraActor::RotateProjection(mSelectedCamera, DEFAULT_ORIENTATION);
+  }
+  else
+  {
+    DevelCameraActor::RotateProjection(mSelectedCamera, mScreenOrientation);
   }
 }
 
diff --git a/dali-scene3d/internal/controls/scene-view/scene-view-impl.h b/dali-scene3d/internal/controls/scene-view/scene-view-impl.h
index 07ceda4..8bb0f9f 100644
--- a/dali-scene3d/internal/controls/scene-view/scene-view-impl.h
+++ b/dali-scene3d/internal/controls/scene-view/scene-view-impl.h
@@ -23,6 +23,7 @@
 #include <dali-toolkit/public-api/controls/control-impl.h>
 #include <dali/public-api/actors/camera-actor.h>
 #include <dali/public-api/actors/layer.h>
+#include <dali/public-api/adaptor-framework/window.h>
 #include <dali/public-api/animation/animation.h>
 #include <dali/public-api/object/weak-handle.h>
 #include <dali/public-api/render-tasks/render-task.h>
@@ -214,6 +215,16 @@ private:
    */
   void OnLoadComplete();
 
+  /*
+   * @brief Callback that will be called when window is resized.
+   */
+  void OnWindowResized(Window window, Window::WindowSize size);
+
+  /**
+   * @brief Update camera's projection orientation according to the screen orientation.
+   */
+  void RotateCamera();
+
 private:
   Toolkit::Visual::Base mVisual;
 
@@ -230,6 +241,7 @@ private:
   CallbackBase* mIblLoadedCallback;
   std::string   mDiffuseIblUrl;
   std::string   mSpecularIblUrl;
+  int32_t       mScreenOrientation;
 
   Layer         mRootLayer;
   Dali::Texture mSpecularTexture;
-- 
2.7.4