Merge "Simple example to test pre-render callback" into devel/master

David Steele · Gerrit Code Review
2 parents 7586ec3c 17a80031
Showing 6 changed files with 271 additions and 0 deletions
com.samsung.dali-demo.xml
examples/pre-render-callback/pre-render-callback-example.cpp
resources/po/en_GB.po
resources/po/en_US.po
shared/dali-demo-strings.h
tests-reel/dali-tests-reel.cpp
@@ -269,6 +269,9 @@
 	<ui-application appid="frame-callback.example" exec="/usr/apps/com.samsung.dali-demo/bin/frame-callback.example" nodisplay="true" multiple="false" type="c++app" taskmanage="true">
 		<label>Frame Callback</label>
 	</ui-application>
+	<ui-application appid="pre-render-callback.example" exec="/usr/apps/com.samsung.dali-demo/bin/pre-render-callback.example" nodisplay="true" multiple="false" type="c++app" taskmanage="true">
+		<label>Frame Callback</label>
+	</ui-application>
 	<privileges>
 		<privilege>http://tizen.org/privilege/mediastorage</privilege>
+/*
+ * Copyright (c) 2018 Samsung Electronics Co., Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <dali-toolkit/dali-toolkit.h>
+#include <dali/integration-api/adaptors/adaptor.h>
+#include <dali/devel-api/adaptor-framework/application-devel.h>
+#include <dali-toolkit/devel-api/layouting/linear-layout.h>
+#include <dali-toolkit/devel-api/controls/control-devel.h>
+
+using namespace Dali::Toolkit;
+
+namespace Dali
+{
+const char* SCENE_IMAGE_1( DEMO_IMAGE_DIR "gallery-small-10.jpg");
+const char* SCENE_IMAGE_2( DEMO_IMAGE_DIR "gallery-small-42.jpg");
+const char* SCENE_IMAGE_3( DEMO_IMAGE_DIR "gallery-small-48.jpg");
+const char* ROTATE_TEXT("-\\|/");
+
+void AddText( Control textContainer, std::string text )
+{
+  auto label = TextLabel::New(text);
+  label.SetAnchorPoint( AnchorPoint::TOP_LEFT );
+  textContainer.Add(label);
+}
+
+class PreRenderCallbackController : public ConnectionTracker
+{
+public:
+
+  /**
+   * @brief Constructor.
+   * @param[in]  application  The application.
+   */
+  PreRenderCallbackController ( Application& application )
+  : mApplication( application ),
+    mStage(),
+    mTapDetector(),
+    mKeepPreRender(false),
+    mRotateTextCharacter(0),
+    mLastRTC(-1)
+  {
+    // Connect to the Application's Init signal
+    mApplication.InitSignal().Connect( this, &PreRenderCallbackController::Create );
+  }
+
+private:
+  struct RotationConstraint
+  {
+    RotationConstraint(float sign)
+    : mSign(sign)
+    {
+    }
+
+    void operator()( Quaternion& current, const PropertyInputContainer& inputs )
+    {
+      Radian angle( inputs[0]->GetFloat() );
+      current = Quaternion( angle * mSign, Vector3::YAXIS );
+    }
+
+    float mSign;
+  };
+
+  /**
+   * @brief Creates the scene.
+   */
+  void Create( Application& application )
+  {
+    mStage = Stage::GetCurrent();
+    mStage.SetBackgroundColor( Color::WHITE );
+    mStage.KeyEventSignal().Connect( this, &PreRenderCallbackController::OnKeyEvent );
+
+    // Hide the indicator bar.
+    mApplication.GetWindow().ShowIndicator( Dali::Window::INVISIBLE );
+
+    // Detect taps on the root layer.
+    mTapDetector = TapGestureDetector::New();
+    mTapDetector.Attach( mStage.GetRootLayer() );
+    mTapDetector.DetectedSignal().Connect( this, &PreRenderCallbackController::OnTap );
+
+    CreateAnimatingScene();
+
+    auto vbox = LinearLayout::New();
+    vbox.SetOrientation(LinearLayout::Orientation::VERTICAL);
+    vbox.SetAlignment( LinearLayout::Alignment::TOP | LinearLayout::Alignment::CENTER_HORIZONTAL );
+    auto textContainer = Control::New();
+    textContainer.SetAnchorPoint(AnchorPoint::TOP_LEFT);
+    DevelControl::SetLayout( textContainer, vbox );
+    AddText(textContainer, "Click to add callback");
+    AddText(textContainer, "Press 1 to add callback");
+    AddText(textContainer, "Press 2 to clear callback");
+    AddText(textContainer, "Press 3 to toggle keep alive");
+
+    auto vbox2 = LinearLayout::New();
+    vbox2.SetOrientation(LinearLayout::Orientation::VERTICAL);
+    vbox2.SetAlignment( LinearLayout::Alignment::BOTTOM | LinearLayout::Alignment::CENTER_HORIZONTAL );
+    auto textContainer2 = Control::New();
+    textContainer2.SetAnchorPoint(AnchorPoint::TOP_LEFT);
+    DevelControl::SetLayout( textContainer2, vbox2 );
+    mSpinner = TextLabel::New("");
+    mSpinner.SetAnchorPoint( AnchorPoint::TOP_LEFT );
+    textContainer2.Add(mSpinner);
+
+    mStage.Add(textContainer);
+    mStage.Add(textContainer2);
+
+    DevelApplication::AddIdleWithReturnValue( application, MakeCallback( this, &PreRenderCallbackController::OnIdle ) );
+  }
+
+  void CreateAnimatingScene()
+  {
+    mSceneActor = Layer::New();
+    mSceneActor.SetBehavior( Layer::LAYER_3D );
+    mSceneActor.SetParentOrigin(ParentOrigin::CENTER);
+
+    // Create and add images to the scene actor:
+    mImageActor1 = ImageView::New( SCENE_IMAGE_1 );
+    mImageActor2 = ImageView::New( SCENE_IMAGE_2 );
+    mImageActor3 = ImageView::New( SCENE_IMAGE_3 );
+
+    mImageActor1.SetResizePolicy( ResizePolicy::USE_NATURAL_SIZE, Dimension::ALL_DIMENSIONS );
+    mImageActor2.SetResizePolicy( ResizePolicy::USE_NATURAL_SIZE, Dimension::ALL_DIMENSIONS );
+    mImageActor3.SetResizePolicy( ResizePolicy::USE_NATURAL_SIZE, Dimension::ALL_DIMENSIONS );
+
+    mImageActor2.SetParentOrigin(ParentOrigin::CENTER);
+
+    mImageActor1.SetParentOrigin(ParentOrigin::CENTER_LEFT);
+    mImageActor1.SetAnchorPoint(AnchorPoint::CENTER_RIGHT);
+
+    mImageActor3.SetParentOrigin(ParentOrigin::CENTER_RIGHT);
+    mImageActor3.SetAnchorPoint(AnchorPoint::CENTER_LEFT);
+
+    mSceneActor.Add(mImageActor2);
+    mImageActor2.Add(mImageActor1);
+    mImageActor2.Add(mImageActor3);
+
+    Property::Index angleIndex = mImageActor2.RegisterProperty("angle", Property::Value( Dali::ANGLE_30 ) );
+    Source angleSrc( mImageActor2, angleIndex );
+
+    Constraint constraint = Constraint::New<Quaternion>( mImageActor1, Actor::Property::ORIENTATION, RotationConstraint(-1.0f) );
+    constraint.AddSource( angleSrc );
+    constraint.Apply();
+
+    constraint = Constraint::New<Quaternion>( mImageActor3, Actor::Property::ORIENTATION, RotationConstraint(+1.0f) );
+    constraint.AddSource( angleSrc );
+    constraint.Apply();
+
+    mSceneAnimation = Animation::New(2.5f);
+
+    // Want to animate angle from 30 => -30 and back again smoothly.
+    mSceneAnimation.AnimateTo( Property( mImageActor2, angleIndex ), Property::Value(-Dali::ANGLE_30), AlphaFunction::SIN );
+
+    mSceneAnimation.SetLooping(true);
+    mSceneAnimation.Play();
+
+    mSceneActor.SetSize(250.0f, 250.0f);
+    mSceneActor.SetPosition(0.0f, 0.0f, 130.0f);
+    Quaternion p( Degree( -6.0f ), Vector3::XAXIS );
+    Quaternion q( Degree( 20.0f ), Vector3::YAXIS );
+    mSceneActor.SetOrientation( p * q );
+
+    mStage.Add( mSceneActor );
+  }
+
+  void OnTap( Actor /* actor */, const TapGesture& /* tap */ )
+  {
+    Adaptor::Get().SetPreRenderCallback( MakeCallback( this, &PreRenderCallbackController::OnPreRender ) );
+  }
+
+  /**
+   * @brief Called when any key event is received
+   *
+   * Will use this to quit the application if Back or the Escape key is received
+   * @param[in] event The key event information
+   */
+  void OnKeyEvent( const KeyEvent& event )
+  {
+    if( event.state == KeyEvent::Down )
+    {
+      if ( IsKey( event, Dali::DALI_KEY_ESCAPE ) || IsKey( event, Dali::DALI_KEY_BACK ) )
+      {
+        mApplication.Quit();
+      }
+      else if( event.keyPressedName.compare("1") == 0)
+      {
+        Adaptor::Get().SetPreRenderCallback( MakeCallback( this, &PreRenderCallbackController::OnPreRender ) );
+      }
+      else if( event.keyPressedName.compare("2") == 0)
+      {
+        Adaptor::Get().SetPreRenderCallback( NULL );
+      }
+      else if( event.keyPressedName.compare("3") == 0)
+      {
+        mKeepPreRender = !mKeepPreRender;
+      }
+    }
+  }
+
+  bool OnPreRender()
+  {
+    // Called from Update/Render thread
+    printf("Pre-render callback\n");
+    ++mRotateTextCharacter;
+    return mKeepPreRender;
+  }
+
+  bool OnIdle()
+  {
+    // Called from Event thread on main loop
+    int rotation = mRotateTextCharacter;
+    if( rotation != mLastRTC )
+    {
+      mLastRTC = rotation;
+      mSpinner.SetProperty(TextLabel::Property::TEXT, std::string(1, ROTATE_TEXT[rotation%4]));
+    }
+    return true;
+  }
+
+
+private:
+  Application& mApplication;
+  Stage mStage;
+  TapGestureDetector  mTapDetector;          ///< Tap detector to enable the PreRenderCallback
+  bool mKeepPreRender;
+  int mRotateTextCharacter;
+  int mLastRTC;
+
+  // Scene objects:
+  ImageView                 mImageActor1;
+  ImageView                 mImageActor2;
+  ImageView                 mImageActor3;
+  Property::Index           mAngle1Index;
+  Property::Index           mAngle3Index;
+  Layer                     mSceneActor;
+  Animation                 mSceneAnimation;
+  TextLabel                 mSpinner;
+};
+
+} // namespace Dali
+
+int main( int argc, char **argv )
+{
+  Dali::Application application = Dali::Application::New( &argc, &argv );
+  Dali::PreRenderCallbackController controller( application );
+  application.MainLoop();
+  return 0;
+}
@@ -136,6 +136,9 @@ msgstr &quot;Popup&quot;
 msgid "DALI_DEMO_STR_TITLE_PIVOT"
 msgstr "Pivot"
+msgid "DALI_DEMO_STR_TITLE_PRE_RENDER_CALLBACK"
+msgstr "Pre Render Callback"
+
 msgid "DALI_DEMO_STR_TITLE_PROGRESS_BAR"
 msgstr "Progress Bar"
@@ -139,6 +139,9 @@ msgstr &quot;Popup&quot;
 msgid "DALI_DEMO_STR_TITLE_PIVOT"
 msgstr "Pivot"
+msgid "DALI_DEMO_STR_TITLE_PRE_RENDER_CALLBACK"
+msgstr "Pre Render Callback"
+
 msgid "DALI_DEMO_STR_TITLE_PROGRESS_BAR"
 msgstr "Progress Bar"
@@ -82,6 +82,7 @@ extern &quot;C&quot;
 #define DALI_DEMO_STR_TITLE_POINT_MESH                  dgettext(DALI_DEMO_DOMAIN_LOCAL, "DALI_DEMO_STR_TITLE_POINT_MESH")
 #define DALI_DEMO_STR_TITLE_POPUP                       dgettext(DALI_DEMO_DOMAIN_LOCAL, "DALI_DEMO_STR_TITLE_POPUP")
 #define DALI_DEMO_STR_TITLE_PIVOT                       dgettext(DALI_DEMO_DOMAIN_LOCAL, "DALI_DEMO_STR_TITLE_PIVOT")
+#define DALI_DEMO_STR_TITLE_PRE_RENDER_CALLBACK         dgettext(DALI_DEMO_DOMAIN_LOCAL, "DALI_DEMO_STR_TITLE_PRE_RENDER_CALLBACK")
 #define DALI_DEMO_STR_TITLE_PRIMITIVE_SHAPES            dgettext(DALI_DEMO_DOMAIN_LOCAL, "DALI_DEMO_STR_TITLE_PRIMITIVE_SHAPES")
 #define DALI_DEMO_STR_TITLE_PROGRESS_BAR                dgettext(DALI_DEMO_DOMAIN_LOCAL, "DALI_DEMO_STR_TITLE_PROGRESS_BAR")
 #define DALI_DEMO_STR_TITLE_PROPERTY_NOTIFICATION       dgettext(DALI_DEMO_DOMAIN_LOCAL, "DALI_DEMO_STR_TITLE_PROPERTY_NOTIFICATION")
@@ -166,6 +167,7 @@ extern &quot;C&quot;
 #define DALI_DEMO_STR_TITLE_POINT_MESH                  "Point Mesh"
 #define DALI_DEMO_STR_TITLE_POPUP                       "Popup"
 #define DALI_DEMO_STR_TITLE_PIVOT                       "Pivot"
+#define DALI_DEMO_STR_TITLE_PRE_RENDER_CALLBACK         "Pre Render Callback"
 #define DALI_DEMO_STR_TITLE_PRIMITIVE_SHAPES            "Primitive Shapes"
 #define DALI_DEMO_STR_TITLE_PROGRESS_BAR                "Progress Bar"
 #define DALI_DEMO_STR_TITLE_PROPERTY_NOTIFICATION       "Property Notification"
@@ -39,6 +39,7 @@ int DALI_EXPORT_API main(int argc, char **argv)
   demo.AddExample(Example("benchmark.example", DALI_DEMO_STR_TITLE_BENCHMARK));
   demo.AddExample(Example("compressed-texture-formats.example", DALI_DEMO_STR_TITLE_COMPRESSED_TEXTURE_FORMATS));
   demo.AddExample(Example("homescreen-benchmark.example", DALI_DEMO_STR_TITLE_HOMESCREEN));
+  demo.AddExample(Example("pre-render-callback.example", DALI_DEMO_STR_TITLE_PRE_RENDER_CALLBACK));
   demo.AddExample(Example("perf-scroll.example", DALI_DEMO_STR_TITLE_PERF_SCROLL));
   demo.AddExample(Example("point-mesh.example", DALI_DEMO_STR_TITLE_POINT_MESH));
   demo.AddExample(Example("property-notification.example", DALI_DEMO_STR_TITLE_PROPERTY_NOTIFICATION));