--- /dev/null
+/*
+ * Copyright (c) 2015 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/dali.h>
+#include <dali-toolkit/dali-toolkit.h>
+#include "shared/view.h"
+#include "radial-sweep-view.h"
+#include "radial-sweep-view-impl.h"
+
+using namespace Dali;
+using namespace Dali::Toolkit;
+
+namespace
+{
+const char* TEST_OUTER_RING_FILENAME = DALI_IMAGE_DIR "layer2.png"; // Image to be masked
+const char* TEST_INNER_RING_FILENAME = DALI_IMAGE_DIR "layer1.png"; // Image to be masked
+const char* TEST_MENU_FILENAME = DALI_IMAGE_DIR "layer3.png"; // Image to be masked
+const char* TEST_DIAL_FILENAME = DALI_IMAGE_DIR "layer4.png"; // Image to be masked
+const char* TOOLBAR_IMAGE( DALI_IMAGE_DIR "top-bar.png" ); // Background for toolbar
+const char* APPLICATION_TITLE( "Radial Menu" );
+const char * const PLAY_ICON( DALI_IMAGE_DIR "icon-play.png" );
+const char * const STOP_ICON( DALI_IMAGE_DIR "icon-stop.png" );
+}
+
+
+/********************************************************************************
+ * Application controller class
+ */
+
+// This example shows how to create a mesh actor for use as a stencil buffer
+class RadialMenuExample : public ConnectionTracker
+{
+public:
+ /**
+ * Constructor
+ * @param[in] app The application handle
+ */
+ RadialMenuExample(Application app);
+
+ /**
+ * Destructor
+ */
+ ~RadialMenuExample();
+
+private:
+
+ /**
+ * Initialization signal handler - all actor initialization should happen here
+ * @param[in] app The application handle
+ */
+ void OnInit(Application& app);
+
+ /**
+ * Create a sweep view with the given image and parameters
+ */
+ RadialSweepView CreateSweepView( std::string imageName, Degree initial, Degree final );
+
+ /**
+ * Start the sweep animation on the menu
+ */
+ void StartAnimation();
+
+ /**
+ * Play or pause the animation when the button is clicked
+ */
+ bool OnButtonClicked( Toolkit::Button button );
+
+ /**
+ * Update the state flag and change the button icon when the animation is finished
+ */
+ void OnAnimationFinished( Animation& source );
+
+ /**
+ * Main key event handler
+ *
+ * @param[in] event The key event to respond to
+ */
+ void OnKeyEvent(const KeyEvent& event);
+
+private: // Member variables
+ enum AnimState
+ {
+ STOPPED,
+ PAUSED,
+ PLAYING
+ };
+
+ Application mApplication; ///< The application handle
+ Toolkit::Control mView; ///< The toolbar view
+ Layer mContents; ///< The toolbar contents pane
+ ImageActor mImageActor; ///< Image actor shown by stencil mask
+ Animation mAnimation;
+ AnimState mAnimationState;
+
+ Image mIconPlay;
+ Image mIconStop;
+ Toolkit::PushButton mPlayStopButton;
+ ImageActor mDialActor;
+ RadialSweepView mRadialSweepView1;
+ RadialSweepView mRadialSweepView2;
+ RadialSweepView mRadialSweepView3;
+};
+
+RadialMenuExample::RadialMenuExample(Application app)
+: mApplication( app ),
+ mAnimationState(STOPPED)
+{
+ // Connect to the Application's Init signal
+ app.InitSignal().Connect(this, &RadialMenuExample::OnInit);
+}
+
+RadialMenuExample::~RadialMenuExample()
+{
+ // Nothing to do here; actor handles will clean up themselves.
+}
+
+void RadialMenuExample::OnInit(Application& app)
+{
+ DemoHelper::RequestThemeChange();
+
+ Stage stage = Dali::Stage::GetCurrent();
+
+ // The Init signal is received once (only) during the Application lifetime
+ stage.KeyEventSignal().Connect(this, &RadialMenuExample::OnKeyEvent);
+
+ // Create toolbar & view
+ Toolkit::ToolBar toolBar;
+ mContents = DemoHelper::CreateView( mApplication,
+ mView,
+ toolBar,
+ "",
+ TOOLBAR_IMAGE,
+ APPLICATION_TITLE );
+
+ mIconPlay = ResourceImage::New( PLAY_ICON );
+ mIconStop = ResourceImage::New( STOP_ICON );
+ mPlayStopButton = Toolkit::PushButton::New();
+ mPlayStopButton.SetBackgroundImage( mIconStop );
+
+ mPlayStopButton.ClickedSignal().Connect( this, &RadialMenuExample::OnButtonClicked );
+
+ toolBar.AddControl( mPlayStopButton,
+ DemoHelper::DEFAULT_VIEW_STYLE.mToolBarButtonPercentage,
+ Toolkit::Alignment::HorizontalRight,
+ DemoHelper::DEFAULT_PLAY_PADDING );
+
+
+ const ImageDimensions intImgSize = ResourceImage::GetImageSize(TEST_OUTER_RING_FILENAME);
+ Vector2 imgSize = Vector2( intImgSize.GetWidth(), intImgSize.GetHeight() );
+ Vector2 stageSize = stage.GetSize();
+ float scale = stageSize.width / imgSize.width;
+ float availableHeight = stageSize.height - DemoHelper::DEFAULT_VIEW_STYLE.mToolBarHeight * 2.0f;
+ if(availableHeight <= stageSize.width)
+ {
+ scale = availableHeight / imgSize.width;
+ }
+
+ mRadialSweepView1 = CreateSweepView( TEST_OUTER_RING_FILENAME, Degree(-90.0f), Degree(-90.0f));
+ mRadialSweepView2 = CreateSweepView( TEST_INNER_RING_FILENAME, Degree(90.0f), Degree(0.0f));
+ mRadialSweepView3 = CreateSweepView( TEST_MENU_FILENAME, Degree(100.0f), Degree(0.0f));
+ mRadialSweepView3.SetInitialActorAngle(Degree(-110));
+ mRadialSweepView3.SetFinalActorAngle(Degree(0));
+
+ Image dial = ResourceImage::New( TEST_DIAL_FILENAME );
+ mDialActor = ImageActor::New( dial );
+ mDialActor.SetResizePolicy( ResizePolicy::USE_NATURAL_SIZE, Dimension::ALL_DIMENSIONS );
+ mDialActor.SetPositionInheritanceMode(USE_PARENT_POSITION);
+ mDialActor.SetScale(scale);
+ Layer dialLayer = Layer::New();
+
+ dialLayer.Add(mDialActor);
+ dialLayer.SetPositionInheritanceMode(USE_PARENT_POSITION);
+ dialLayer.SetSize(stage.GetSize());
+ mContents.Add(dialLayer);
+
+ mRadialSweepView1.SetScale(scale);
+ mRadialSweepView2.SetScale(scale);
+ mRadialSweepView3.SetScale(scale);
+
+ StartAnimation();
+}
+
+void RadialMenuExample::StartAnimation()
+{
+ mDialActor.SetOpacity(0.0f);
+ mRadialSweepView1.SetOpacity(0.0f);
+ mAnimation = Animation::New(6.0f);
+ mRadialSweepView1.Activate(mAnimation, 0.0f, 3.0f);
+ mRadialSweepView2.Activate(mAnimation, 1.5f, 3.0f);
+ mRadialSweepView3.Activate(mAnimation, 3.0f, 3.0f);
+ mAnimation.AnimateTo( Property( mDialActor, Actor::Property::COLOR_ALPHA ), 1.0f, AlphaFunction::EASE_IN, TimePeriod( 0.0f, 0.8f ) );
+ mAnimation.AnimateTo( Property( mRadialSweepView1, Actor::Property::COLOR_ALPHA ), 1.0f, AlphaFunction::EASE_IN, TimePeriod( 0.0f, 0.5f ) );
+ mAnimation.FinishedSignal().Connect( this, &RadialMenuExample::OnAnimationFinished );
+
+ mAnimationState = PLAYING;
+ mAnimation.Play();
+}
+
+bool RadialMenuExample::OnButtonClicked( Toolkit::Button button )
+{
+ switch( mAnimationState )
+ {
+ case PLAYING:
+ {
+ mAnimation.Pause();
+ mAnimationState = PAUSED;
+ mPlayStopButton.SetBackgroundImage( mIconPlay );
+ }
+ break;
+
+ case PAUSED:
+ {
+ mAnimation.Play();
+ mAnimationState = PLAYING;
+ mPlayStopButton.SetBackgroundImage( mIconStop );
+ }
+ break;
+
+ case STOPPED:
+ {
+ mPlayStopButton.SetBackgroundImage( mIconStop );
+ mRadialSweepView1.Deactivate();
+ mRadialSweepView2.Deactivate();
+ mRadialSweepView3.Deactivate();
+ StartAnimation();
+ }
+ }
+ return false;
+}
+
+void RadialMenuExample::OnAnimationFinished( Animation& source )
+{
+ mAnimationState = STOPPED;
+ mPlayStopButton.SetBackgroundImage( mIconPlay );
+}
+
+RadialSweepView RadialMenuExample::CreateSweepView( std::string imageName,
+ Degree initialAngle,
+ Degree finalAngle)
+{
+ // Create the image
+ Image image = ResourceImage::New(imageName);
+ mImageActor = ImageActor::New(image);
+ mImageActor.SetParentOrigin(ParentOrigin::CENTER);
+ mImageActor.SetAnchorPoint(AnchorPoint::CENTER);
+ mImageActor.SetResizePolicy( ResizePolicy::USE_NATURAL_SIZE, Dimension::ALL_DIMENSIONS );
+
+ // Create the stencil
+ const ImageDimensions imageSize = ResourceImage::GetImageSize(imageName);
+ float diameter = std::max(imageSize.GetWidth(), imageSize.GetHeight());
+ RadialSweepView radialSweepView = RadialSweepView::New();
+ radialSweepView.SetDiameter( diameter );
+ radialSweepView.SetInitialAngle( initialAngle );
+ radialSweepView.SetFinalAngle( finalAngle );
+ radialSweepView.SetInitialSector( Degree(0.0f) );
+ radialSweepView.SetFinalSector( Degree(359.999f) );
+ radialSweepView.SetSize( Stage::GetCurrent().GetSize());
+ radialSweepView.SetEasingFunction( Dali::AlphaFunction::EASE_IN_OUT );
+ radialSweepView.SetPositionInheritanceMode(USE_PARENT_POSITION);
+ mContents.Add(radialSweepView);
+ radialSweepView.Add( mImageActor );
+ mImageActor.SetPositionInheritanceMode(USE_PARENT_POSITION);
+
+ return radialSweepView;
+}
+
+
+void RadialMenuExample::OnKeyEvent(const KeyEvent& event)
+{
+ if(event.state == KeyEvent::Down)
+ {
+ if( IsKey( event, Dali::DALI_KEY_ESCAPE) || IsKey( event, Dali::DALI_KEY_BACK) )
+ {
+ mApplication.Quit();
+ }
+ }
+}
+
+void RunTest(Application app)
+{
+ RadialMenuExample test(app);
+
+ app.MainLoop();
+}
+
+// Entry point for Linux & Tizen applications
+int main(int argc, char **argv)
+{
+ Application app = Application::New(&argc, &argv);
+
+ RunTest(app);
+
+ return 0;
+}
--- /dev/null
+/*
+ * Copyright (c) 2015 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 "radial-sweep-view-impl.h"
+
+#include <sstream>
+
+using namespace Dali;
+
+namespace
+{
+
+const char* VERTEX_SHADER_PREFIX( "#define MATH_PI_2 1.570796\n#define MATH_PI_4 0.785398\n" );
+
+const char* VERTEX_SHADER = DALI_COMPOSE_SHADER(
+attribute mediump float aAngleIndex;\n
+attribute mediump vec2 aPosition1;\n
+attribute mediump vec2 aPosition2;\n
+uniform mediump mat4 uMvpMatrix;\n
+uniform mediump float uStartAngle;\n
+uniform mediump float uRotationAngle;\n
+\n
+void main()\n
+{\n
+ float currentAngle = uStartAngle + uRotationAngle;\n
+ float angleInterval1 = MATH_PI_4 * aAngleIndex;\n
+ vec4 vertexPosition = vec4(0.0, 0.0, 0.0, 1.0);\n
+ if( currentAngle >= angleInterval1)\n
+ {\n
+ float angleInterval2 = angleInterval1 + MATH_PI_2;\n
+ float angle = currentAngle < angleInterval2 ? currentAngle : angleInterval2;\n
+ float delta;\n
+ if( mod( aAngleIndex+4.0, 4.0) < 2.0 )\n
+ {\n
+ delta = 0.5 - 0.5*cos(angle) / sin(angle);\n
+ }\n
+ else\n
+ {\n
+ delta = 0.5 + 0.5*sin(angle) / cos(angle);\n
+ }\n
+ vertexPosition.xy = mix( aPosition1, aPosition2, delta );\n
+ }\n
+ gl_Position = uMvpMatrix * vertexPosition;\n
+}
+);
+
+const char* FRAGMENT_SHADER = DALI_COMPOSE_SHADER(
+uniform lowp vec4 uColor;\n
+\n
+void main()\n
+{\n
+ gl_FragColor = uColor;\n
+}\n
+);
+
+float HoldZeroFastEaseInOutHoldOne(float progress)
+{
+ if( progress < 0.2f)
+ {
+ return 0.0f;
+ }
+ else if(progress < 0.5f)
+ {
+ progress = (progress-0.2) / 0.3f;
+ return progress*progress*progress*0.5f;
+ }
+ else if(progress < 0.8f)
+ {
+ progress = ((progress - 0.5f) / 0.3f) - 1.0f;
+ return (progress*progress*progress+1.0f) * 0.5f + 0.5f;
+ }
+ else
+ {
+ return 1.0f;
+ }
+}
+
+} // anonymous namespace
+
+
+RadialSweepView RadialSweepViewImpl::New( )
+{
+ return New( 2.0f, 100.0f, ANGLE_0, ANGLE_0, ANGLE_0, ANGLE_360 );
+}
+
+
+RadialSweepView RadialSweepViewImpl::New( float duration, float diameter, Radian initialAngle, Radian finalAngle, Radian initialSector, Radian finalSector )
+{
+ RadialSweepViewImpl* impl= new RadialSweepViewImpl(duration, diameter, initialAngle, finalAngle, initialSector, finalSector);
+ RadialSweepView handle = RadialSweepView(*impl);
+ return handle;
+}
+
+RadialSweepViewImpl::RadialSweepViewImpl( float duration, float diameter, Radian initialAngle, Radian finalAngle, Radian initialSector, Radian finalSector )
+: Control( ControlBehaviour( ACTOR_BEHAVIOUR_NONE ) ),
+ mDuration(duration),
+ mDiameter(diameter),
+ mInitialAngle(initialAngle),
+ mFinalAngle(finalAngle),
+ mInitialSector(initialSector),
+ mFinalSector(finalSector),
+ mInitialActorAngle(0),
+ mFinalActorAngle(0),
+ mEasingFunction(HoldZeroFastEaseInOutHoldOne),
+ mStartAngleIndex(Property::INVALID_INDEX),
+ mRotationAngleIndex(Property::INVALID_INDEX),
+ mRotateActorsWithStencil(false),
+ mRotateActors(false)
+{
+}
+
+void RadialSweepViewImpl::SetDuration(float duration)
+{
+ mDuration = duration;
+}
+
+void RadialSweepViewImpl::SetEasingFunction( Dali::AlphaFunction easingFunction )
+{
+ mEasingFunction = easingFunction;
+}
+
+void RadialSweepViewImpl::SetDiameter(float diameter)
+{
+ mDiameter = diameter;
+}
+
+void RadialSweepViewImpl::SetInitialAngle( Dali::Radian initialAngle)
+{
+ mInitialAngle = initialAngle;
+}
+
+void RadialSweepViewImpl::SetFinalAngle( Dali::Radian finalAngle)
+{
+ mFinalAngle = finalAngle;
+}
+
+void RadialSweepViewImpl::SetInitialSector( Dali::Radian initialSector)
+{
+ mInitialSector = initialSector;
+}
+
+void RadialSweepViewImpl::SetFinalSector( Dali::Radian finalSector)
+{
+ mFinalSector = finalSector;
+}
+
+void RadialSweepViewImpl::SetInitialActorAngle( Dali::Radian initialAngle )
+{
+ mInitialActorAngle = initialAngle;
+ mRotateActors = true;
+}
+
+void RadialSweepViewImpl::SetFinalActorAngle( Dali::Radian finalAngle )
+{
+ mFinalActorAngle = finalAngle;
+ mRotateActors = true;
+}
+
+float RadialSweepViewImpl::GetDuration( )
+{
+ return mDuration;
+}
+
+float RadialSweepViewImpl::GetDiameter( )
+{
+ return mDiameter;
+}
+
+Dali::Radian RadialSweepViewImpl::GetInitialAngle( )
+{
+ return mInitialAngle;
+}
+
+Dali::Radian RadialSweepViewImpl::GetFinalAngle( )
+{
+ return mFinalAngle;
+}
+
+Dali::Radian RadialSweepViewImpl::GetInitialSector( )
+{
+ return mInitialSector;
+}
+
+Dali::Radian RadialSweepViewImpl::GetFinalSector( )
+{
+ return mFinalSector;
+}
+
+Dali::Radian RadialSweepViewImpl::GetInitialActorAngle( )
+{
+ return mInitialActorAngle;
+}
+
+Dali::Radian RadialSweepViewImpl::GetFinalActorAngle( )
+{
+ return mFinalActorAngle;
+}
+
+void RadialSweepViewImpl::RotateActorsWithStencil(bool rotate)
+{
+ mRotateActorsWithStencil = rotate;
+}
+
+void RadialSweepViewImpl::Add(Actor actor)
+{
+ if( ! mLayer )
+ {
+ mLayer = Layer::New();
+ Self().Add(mLayer);
+ mLayer.SetSize( Stage::GetCurrent().GetSize() );
+ mLayer.SetPositionInheritanceMode(USE_PARENT_POSITION);
+ }
+
+ mLayer.Add(actor);
+}
+
+void RadialSweepViewImpl::Activate( Animation anim, float offsetTime, float duration )
+{
+ bool startAnimation=false;
+ if( ! anim )
+ {
+ mAnim = Animation::New( mDuration );
+ anim = mAnim;
+ startAnimation = true;
+ }
+
+ if( ! mStencilActor )
+ {
+ CreateStencil( mInitialSector );
+ mLayer.Add( mStencilActor );
+ mStencilActor.SetScale(mDiameter);
+ }
+
+ mStencilActor.SetOrientation( mInitialAngle, Vector3::ZAXIS );
+ mStencilActor.SetProperty( mRotationAngleIndex, mInitialSector.radian );
+
+ if( mRotateActors )
+ {
+ for(unsigned int i=0, count=mLayer.GetChildCount(); i<count; i++)
+ {
+ Actor actor = mLayer.GetChildAt(i);
+ if( actor != mStencilActor )
+ {
+ anim.AnimateTo( Property( actor, Actor::Property::ORIENTATION ), Quaternion( Radian( mInitialActorAngle ), Vector3::ZAXIS ) );
+ }
+ }
+ }
+
+ anim.AnimateTo( Property( mStencilActor, mRotationAngleIndex ), mFinalSector.radian, mEasingFunction, TimePeriod( offsetTime, duration ) );
+ anim.AnimateTo( Property( mStencilActor, Actor::Property::ORIENTATION ), Quaternion( Radian( mFinalAngle ), Vector3::ZAXIS ), mEasingFunction, TimePeriod( offsetTime, duration ) );
+
+ if( mRotateActorsWithStencil )
+ {
+ for(unsigned int i=0, count=mLayer.GetChildCount(); i<count; i++)
+ {
+ Actor actor = mLayer.GetChildAt(i);
+ if( actor != mStencilActor )
+ {
+ anim.AnimateTo( Property( actor, Actor::Property::ORIENTATION ), Quaternion( Radian( mFinalAngle.radian - mInitialAngle.radian ) , Vector3::ZAXIS ), mEasingFunction, TimePeriod( offsetTime, duration ) );
+ }
+ }
+ }
+ else if( mRotateActors )
+ {
+ for(unsigned int i=0, count=mLayer.GetChildCount(); i<count; i++)
+ {
+ Actor actor = mLayer.GetChildAt(i);
+ if( actor != mStencilActor )
+ {
+ anim.AnimateTo( Property( actor, Actor::Property::ORIENTATION ), Quaternion( Radian( mFinalActorAngle ), Vector3::ZAXIS ), mEasingFunction, TimePeriod( offsetTime, duration ) );
+ }
+ }
+ }
+
+
+ if( startAnimation )
+ {
+ anim.SetLooping(true);
+ anim.Play();
+ }
+}
+
+
+void RadialSweepViewImpl::Deactivate()
+{
+ if( mAnim )
+ {
+ mAnim.Stop();
+ }
+ // mLayer.Remove( mStencilActor );
+ // mStencilActor.Reset();
+ // mMesh.Reset();
+ // mMaterial.Reset();
+}
+
+void RadialSweepViewImpl::CreateStencil( Radian initialSector )
+{
+ // Create the stencil mesh geometry
+ // 3-----2
+ // | \ / |
+ // | 0--1 , 6
+ // | / \ |
+ // 4-----5
+
+ struct VertexPosition { float angleIndex; Vector2 position1; Vector2 position2; };
+ VertexPosition vertexData[7] = { // With X coordinate inverted to make the animation go anti clockwise from left center
+ { 9.f, Vector2( 0.f, 0.f ), Vector2( 0.f, 0.f ) }, // center point, keep static
+ { 0.f, Vector2( -0.5f, 0.f ), Vector2( -0.5f, 0.f ) }, // vertex 1, 0 degree, keep static
+ { -1.f, Vector2( -0.5f, 0.5f ), Vector2( -0.5f, -0.5f ) }, // -45 ~ 45 degrees ( 0 ~ 45)
+ { 1.f, Vector2( -0.5f, -0.5f ), Vector2( 0.5f, -0.5f ) }, // 45 ~ 135 degrees
+ { 3.f, Vector2( 0.5f, -0.5f ), Vector2( 0.5f, 0.5f ) }, // 135 ~ 225 degrees
+ { 5.f, Vector2( 0.5f, 0.5f ), Vector2( -0.5f, 0.5f ) }, // 225 ~ 315 degrees
+ { 7.f, Vector2( -0.5f, 0.5f ), Vector2( -0.5f, -0.5f ) } // 315 ~ 405 degrees ( 315 ~ 359.999 )
+ };
+ Property::Map vertexFormat;
+ vertexFormat["aAngleIndex"] = Property::FLOAT;
+ vertexFormat["aPosition1"] = Property::VECTOR2;
+ vertexFormat["aPosition2"] = Property::VECTOR2;
+ PropertyBuffer vertices = PropertyBuffer::New( PropertyBuffer::STATIC, vertexFormat, 7u );
+ vertices.SetData( vertexData );
+
+ unsigned int indexData[15] = { 0,1,2,0,2,3,0,3,4,0,4,5,0,5,6 };
+ Property::Map indexFormat;
+ indexFormat["indices"] = Property::UNSIGNED_INTEGER;
+ PropertyBuffer indices = PropertyBuffer::New( PropertyBuffer::STATIC, indexFormat, 15u );
+ indices.SetData( indexData );
+
+ Geometry meshGeometry = Geometry::New();
+ meshGeometry.AddVertexBuffer( vertices );
+ meshGeometry.SetIndexBuffer( indices );
+
+ // Create material
+ std::ostringstream vertexShaderStringStream;
+ vertexShaderStringStream<<VERTEX_SHADER_PREFIX<<VERTEX_SHADER;
+ Shader shader = Shader::New( vertexShaderStringStream.str(), FRAGMENT_SHADER );
+ Material material = Material::New( shader );
+
+ // Create renderer
+ Renderer renderer = Renderer::New( meshGeometry, material );
+
+ mStencilActor = Actor::New();
+ mStencilActor.AddRenderer( renderer );
+ mStencilActor.SetSize(1.f, 1.f);
+
+ // register properties
+ mStartAngleIndex = mStencilActor.RegisterProperty("start-angle", 0.f);
+ mStencilActor.AddUniformMapping( mStartAngleIndex, "uStartAngle " );
+ mRotationAngleIndex = mStencilActor.RegisterProperty("rotation-angle", initialSector.radian);
+ mStencilActor.AddUniformMapping( mRotationAngleIndex, "uRotationAngle" );
+
+ mStencilActor.SetDrawMode( DrawMode::STENCIL );
+ mStencilActor.SetPositionInheritanceMode(USE_PARENT_POSITION);
+}
--- /dev/null
+#ifndef DALI_DEMO_RADIAL_SWEEP_VIEW_IMPL_H
+#define DALI_DEMO_RADIAL_SWEEP_VIEW_IMPL_H
+
+/*
+ * Copyright (c) 2015 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 "radial-sweep-view.h"
+
+
+/********************************************************************************
+ * Class to implement a layer with a radial sweep stencil mask and an actor tree
+ */
+class RadialSweepViewImpl : public Dali::Toolkit::Internal::Control
+{
+public:
+ static RadialSweepView New();
+
+ static RadialSweepView New( float duration,
+ float diameter,
+ Dali::Radian initialAngle,
+ Dali::Radian finalAngle,
+ Dali::Radian initialSector,
+ Dali::Radian finalSector );
+
+ RadialSweepViewImpl( float duration,
+ float diameter,
+ Dali::Radian initialAngle,
+ Dali::Radian finalAngle,
+ Dali::Radian initialSector,
+ Dali::Radian finalSector );
+
+ void SetDuration(float duration);
+ void SetEasingFunction( Dali::AlphaFunction easingFunction );
+
+ void SetDiameter(float diameter);
+ void SetInitialAngle( Dali::Radian initialAngle);
+ void SetFinalAngle( Dali::Radian finalAngle);
+ void SetInitialSector( Dali::Radian initialSector);
+ void SetFinalSector( Dali::Radian finalSector);
+ void SetInitialActorAngle( Dali::Radian initialAngle );
+ void SetFinalActorAngle( Dali::Radian finalAngle );
+
+ float GetDuration( );
+ float GetDiameter( );
+ Dali::Radian GetInitialAngle( );
+ Dali::Radian GetFinalAngle( );
+ Dali::Radian GetInitialSector( );
+ Dali::Radian GetFinalSector( );
+ Dali::Radian GetInitialActorAngle( );
+ Dali::Radian GetFinalActorAngle( );
+
+ void RotateActorsWithStencil(bool rotate);
+
+ void Add( Dali::Actor actor );
+
+ void Activate( Dali::Animation anim = Dali::Animation(), float offsetTime=0, float duration=2.0f );
+
+ void Deactivate();
+
+private:
+
+ /**
+ * Create the stencil mask
+ */
+ void CreateStencil(Dali::Radian initialSector );
+
+private:
+ Dali::Layer mLayer;
+ Dali::Animation mAnim;
+ float mDuration;
+ float mDiameter;
+ Dali::Radian mInitialAngle;
+ Dali::Radian mFinalAngle;
+ Dali::Radian mInitialSector;
+ Dali::Radian mFinalSector;
+ Dali::Radian mInitialActorAngle;
+ Dali::Radian mFinalActorAngle;
+ Dali::AlphaFunction mEasingFunction;
+ Dali::Actor mStencilActor; ///< Stencil actor which generates mask
+ Dali::Property::Index mStartAngleIndex; ///< Index of start-angle property
+ Dali::Property::Index mRotationAngleIndex; ///< Index of rotation-angle property
+ bool mRotateActorsWithStencil:1;
+ bool mRotateActors;
+};
+
+
+inline RadialSweepViewImpl& GetImpl( RadialSweepView& obj )
+{
+ DALI_ASSERT_ALWAYS(obj);
+ Dali::RefObject& handle = obj.GetImplementation();
+ return static_cast<RadialSweepViewImpl&>(handle);
+}
+
+inline const RadialSweepViewImpl& GetImpl( const RadialSweepView& obj )
+{
+ DALI_ASSERT_ALWAYS(obj);
+ const Dali::RefObject& handle = obj.GetImplementation();
+ return static_cast<const RadialSweepViewImpl&>(handle);
+}
+
+
+
+#endif // DALI_DEMO_RADIAL_SWEEP_VIEW_IMPL_H
--- /dev/null
+/*
+ * Copyright (c) 2015 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 "radial-sweep-view.h"
+#include "radial-sweep-view-impl.h"
+
+using namespace Dali;
+
+RadialSweepView::RadialSweepView()
+{
+}
+
+RadialSweepView::RadialSweepView(const RadialSweepView& handle)
+: Control(handle)
+{
+}
+
+RadialSweepView& RadialSweepView::operator=(const RadialSweepView& rhs)
+{
+ if( &rhs != this )
+ {
+ Control::operator=(rhs);
+ }
+ return *this;
+}
+
+RadialSweepView::~RadialSweepView()
+{
+}
+
+RadialSweepView RadialSweepView::DownCast( BaseHandle handle )
+{
+ return Control::DownCast<RadialSweepView, RadialSweepViewImpl>(handle);
+}
+
+RadialSweepView RadialSweepView::New( )
+{
+ return RadialSweepViewImpl::New();
+}
+
+RadialSweepView RadialSweepView::New( float duration,
+ float diameter,
+ Radian initialAngle,
+ Radian finalAngle,
+ Radian initialSector,
+ Radian finalSector )
+{
+ return RadialSweepViewImpl::New(duration, diameter, initialAngle, finalAngle, initialSector, finalSector );
+}
+
+RadialSweepView::RadialSweepView( RadialSweepViewImpl& impl )
+: Control( impl )
+{
+}
+
+RadialSweepView::RadialSweepView( Dali::Internal::CustomActor* impl )
+: Control( impl )
+{
+ VerifyCustomActorPointer<RadialSweepViewImpl>(impl);
+}
+
+void RadialSweepView::SetDuration(float duration)
+{
+ GetImpl(*this).SetDuration(duration);
+}
+
+void RadialSweepView::SetEasingFunction( Dali::AlphaFunction easingFunction )
+{
+ GetImpl(*this).SetEasingFunction( easingFunction );
+}
+
+void RadialSweepView::SetDiameter(float diameter)
+{
+ GetImpl(*this).SetDiameter(diameter);
+}
+
+void RadialSweepView::SetInitialAngle( Dali::Radian initialAngle)
+{
+ GetImpl(*this).SetInitialAngle(initialAngle);
+}
+
+void RadialSweepView::SetFinalAngle( Dali::Radian finalAngle)
+{
+ GetImpl(*this).SetFinalAngle(finalAngle);
+}
+
+void RadialSweepView::SetInitialSector( Dali::Radian initialSector)
+{
+ GetImpl(*this).SetInitialSector(initialSector);
+}
+
+void RadialSweepView::SetFinalSector( Dali::Radian finalSector)
+{
+ GetImpl(*this).SetFinalSector(finalSector);
+}
+
+void RadialSweepView::SetInitialActorAngle( Dali::Radian initialAngle )
+{
+ GetImpl(*this).SetInitialActorAngle(initialAngle);
+}
+
+void RadialSweepView::SetFinalActorAngle( Dali::Radian finalAngle )
+{
+ GetImpl(*this).SetFinalActorAngle(finalAngle);
+}
+
+float RadialSweepView::GetDuration( )
+{
+ return GetImpl(*this).GetDuration();
+}
+
+float RadialSweepView::GetDiameter( )
+{
+ return GetImpl(*this).GetDiameter();
+}
+
+Dali::Radian RadialSweepView::GetInitialAngle( )
+{
+ return GetImpl(*this).GetInitialAngle();
+}
+
+Dali::Radian RadialSweepView::GetFinalAngle( )
+{
+ return GetImpl(*this).GetFinalAngle();
+}
+
+Dali::Radian RadialSweepView::GetInitialSector( )
+{
+ return GetImpl(*this).GetInitialSector();
+}
+
+Dali::Radian RadialSweepView::GetFinalSector( )
+{
+ return GetImpl(*this).GetFinalSector();
+}
+
+Dali::Radian RadialSweepView::GetInitialActorAngle( )
+{
+ return GetImpl(*this).GetInitialActorAngle();
+}
+
+Dali::Radian RadialSweepView::GetFinalActorAngle( )
+{
+ return GetImpl(*this).GetFinalActorAngle();
+}
+
+void RadialSweepView::RotateActorsWithStencil(bool rotate)
+{
+ GetImpl(*this).RotateActorsWithStencil(rotate);
+}
+
+void RadialSweepView::Add(Actor actor)
+{
+ GetImpl(*this).Add(actor);
+}
+
+void RadialSweepView::Activate()
+{
+ GetImpl(*this).Activate();
+}
+
+void RadialSweepView::Activate( Dali::Animation anim, float offsetTime, float duration )
+{
+ GetImpl(*this).Activate(anim, offsetTime, duration);
+}
+
+void RadialSweepView::Deactivate()
+{
+ GetImpl(*this).Deactivate();
+}
--- /dev/null
+#ifndef DALI_DEMO_RADIAL_SWEEP_VIEW_H
+#define DALI_DEMO_RADIAL_SWEEP_VIEW_H
+
+/*
+ * Copyright (c) 2015 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>
+
+class RadialSweepViewImpl;
+
+
+/********************************************************************************
+ * Handle to RadialSweepView implementation
+ */
+class RadialSweepView : public Dali::Toolkit::Control
+{
+public:
+ /**
+ * Create a new RadialSweepView with default parameters (2 second animation,
+ * no rotation, sweeping out a full circle).
+ */
+ static RadialSweepView New( );
+
+ /**
+ * Create a new RadialSweepView.
+ * @param[in] duration The duration of the sweep animation
+ * @param[in] diameter The diameter of the stencil mask
+ * @param[in] initialAngle The initial angle of the anticlockwise line of the sweep sector
+ * @param[in] finalAngle The final angle of the anticlockwise line of the sweep sector
+ * @param[in] initialSector The angle of the starting sector
+ * @param[in] finalSector The angle of the sector at the end of the animation.
+ * Note, to cover the entire circle, use a value of 359.9999 degrees, not zero or 360 degrees.
+ *
+ * initial sector
+ * \ | .
+ * \ | .
+ * initialAngle \ | . final sector
+ * \| _|
+ * .________
+ */
+ static RadialSweepView New( float duration,
+ float diameter,
+ Dali::Radian initialAngle,
+ Dali::Radian finalAngle,
+ Dali::Radian initialSector,
+ Dali::Radian finalSector );
+
+ void SetDuration(float duration);
+
+ void SetEasingFunction( Dali::AlphaFunction easingFunction );
+
+ void SetDiameter(float diameter);
+
+ void SetInitialAngle( Dali::Radian initialAngle);
+
+ void SetFinalAngle( Dali::Radian finalAngle);
+
+ void SetInitialSector( Dali::Radian initialSector);
+
+ void SetFinalSector( Dali::Radian finalSector);
+
+ void SetInitialActorAngle( Dali::Radian initialAngle );
+
+ void SetFinalActorAngle( Dali::Radian finalAngle );
+
+ float GetDuration( );
+
+ float GetDiameter( );
+
+ Dali::Radian GetInitialAngle( );
+
+ Dali::Radian GetFinalAngle( );
+
+ Dali::Radian GetInitialSector( );
+
+ Dali::Radian GetFinalSector( );
+
+ Dali::Radian GetInitialActorAngle( );
+
+ Dali::Radian GetFinalActorAngle( );
+
+ /**
+ * @param[in] rotate True if the actors should rotate with the stencil
+ */
+ void RotateActorsWithStencil(bool rotate);
+
+ /**
+ * Add actors to the view
+ */
+ void Add(Actor actor);
+
+ /**
+ * Activate the sweep animation
+ */
+ void Activate( );
+
+ void Activate( Dali::Animation anim, float offsetTime, float duration );
+
+ /**
+ * Deactivate the sweep animation
+ */
+ void Deactivate();
+
+ /**
+ * Default constructor. Create an uninitialized handle.
+ */
+ RadialSweepView();
+
+ /**
+ * Copy constructor
+ */
+ RadialSweepView(const RadialSweepView& handle);
+
+ /**
+ * Assignment operator
+ */
+ RadialSweepView& operator=(const RadialSweepView& rhs);
+
+ /**
+ * Destructor
+ */
+ ~RadialSweepView();
+
+ /**
+ * Downcast method
+ */
+ static RadialSweepView DownCast( BaseHandle handle );
+
+public: // Not for use by application developers
+
+ RadialSweepView( RadialSweepViewImpl& impl );
+
+ RadialSweepView( Dali::Internal::CustomActor* impl );
+};
+
+#endif
--- /dev/null
+/*
+ * Copyright (c) 2015 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/dali.h>
+#include <dali-toolkit/dali-toolkit.h>
+#include "shared/view.h"
+
+#include <fstream>
+#include <sstream>
+#include <limits>
+
+using namespace Dali;
+
+namespace
+{
+const char * const APPLICATION_TITLE( "Refraction Effect" );
+const char * const TOOLBAR_IMAGE( DALI_IMAGE_DIR "top-bar.png" );
+const char * const CHANGE_TEXTURE_ICON( DALI_IMAGE_DIR "icon-change.png" );
+const char * const CHANGE_MESH_ICON( DALI_IMAGE_DIR "icon-replace.png" );
+
+const char* MESH_FILES[] =
+{
+ DALI_MODEL_DIR "surface_pattern_v01.obj",
+ DALI_MODEL_DIR "surface_pattern_v02.obj"
+};
+const unsigned int NUM_MESH_FILES( sizeof( MESH_FILES ) / sizeof( MESH_FILES[0] ) );
+
+const char* TEXTURE_IMAGES[]=
+{
+ DALI_IMAGE_DIR "background-1.jpg",
+ DALI_IMAGE_DIR "background-2.jpg",
+ DALI_IMAGE_DIR "background-3.jpg",
+ DALI_IMAGE_DIR "background-4.jpg"
+};
+const unsigned int NUM_TEXTURE_IMAGES( sizeof( TEXTURE_IMAGES ) / sizeof( TEXTURE_IMAGES[0] ) );
+
+struct LightOffsetConstraint
+{
+ LightOffsetConstraint( float radius )
+ : mRadius( radius )
+ {
+ }
+
+ void operator()( Vector2& current, const PropertyInputContainer& inputs )
+ {
+ float spinAngle = inputs[0]->GetFloat();
+ current.x = cos( spinAngle );
+ current.y = sin( spinAngle );
+
+ current *= mRadius;
+ }
+
+ float mRadius;
+};
+
+/**
+ * @brief Load an image, scaled-down to no more than the stage dimensions.
+ *
+ * Uses image scaling mode SCALE_TO_FILL to resize the image at
+ * load time to cover the entire stage with pixels with no borders,
+ * and filter mode BOX_THEN_LINEAR to sample the image with maximum quality.
+ */
+ResourceImage LoadStageFillingImage( const char * const imagePath )
+{
+ Size stageSize = Stage::GetCurrent().GetSize();
+ return ResourceImage::New( imagePath, ImageDimensions( stageSize.x, stageSize.y ), Dali::FittingMode::SCALE_TO_FILL, Dali::SamplingMode::BOX_THEN_LINEAR );
+}
+
+/**
+ * structure of the vertex in the mesh
+ */
+struct Vertex
+{
+ Vector3 position;
+ Vector3 normal;
+ Vector2 textureCoord;
+
+ Vertex()
+ {}
+
+ Vertex( const Vector3& position, const Vector3& normal, const Vector2& textureCoord )
+ : position( position ), normal( normal ), textureCoord( textureCoord )
+ {}
+};
+
+/************************************************************************************************
+ *** The shader source is used when the MeshActor is not touched***
+ ************************************************************************************************/
+const char* VERTEX_SHADER_FLAT = DALI_COMPOSE_SHADER(
+attribute mediump vec3 aPosition;\n
+attribute mediump vec3 aNormal;\n
+attribute highp vec2 aTexCoord;\n
+uniform mediump mat4 uMvpMatrix;\n
+varying mediump vec2 vTexCoord;\n
+void main()\n
+{\n
+ gl_Position = uMvpMatrix * vec4( aPosition.xy, 0.0, 1.0 );\n
+ vTexCoord = aTexCoord.xy;\n
+}\n
+);
+
+const char* FRAGMENT_SHADER_FLAT = DALI_COMPOSE_SHADER(
+uniform lowp vec4 uColor;\n
+uniform sampler2D sTexture;\n
+varying mediump vec2 vTexCoord;\n
+void main()\n
+{\n
+ gl_FragColor = texture2D( sTexture, vTexCoord ) * uColor;\n
+}\n
+);
+
+/************************************************************
+ ** Custom refraction effect shader***************************
+ ************************************************************/
+const char* VERTEX_SHADER_REFRACTION = DALI_COMPOSE_SHADER(
+attribute mediump vec3 aPosition;\n
+attribute mediump vec3 aNormal;\n
+attribute highp vec2 aTexCoord;\n
+uniform mediump mat4 uMvpMatrix;\n
+varying mediump vec4 vVertex;\n
+varying mediump vec3 vNormal;\n
+varying mediump vec2 vTexCoord;\n
+varying mediump vec2 vTextureOffset;\n
+void main()\n
+{\n
+ gl_Position = uMvpMatrix * vec4( aPosition.xy, 0.0, 1.0 );\n
+ vTexCoord = aTexCoord.xy;\n
+
+ vNormal = aNormal;\n
+ vVertex = vec4( aPosition, 1.0 );\n
+ float length = max(0.01, length(aNormal.xy)) * 40.0;\n
+ vTextureOffset = aNormal.xy / length;\n
+}\n
+);
+
+const char* FRAGMENT_SHADER_REFRACTION = DALI_COMPOSE_SHADER(
+precision mediump float;\n
+uniform mediump float uEffectStrength;\n
+uniform mediump vec3 uLightPosition;\n
+uniform mediump vec2 uLightXYOffset;\n
+uniform mediump vec2 uLightSpinOffset;\n
+uniform mediump float uLightIntensity;\n
+uniform lowp vec4 uColor;\n
+uniform sampler2D sTexture;\n
+varying mediump vec4 vVertex;\n
+varying mediump vec3 vNormal;\n
+varying mediump vec2 vTexCoord;\n
+varying mediump vec2 vTextureOffset;\n
+
+vec3 rgb2hsl(vec3 rgb)\n
+{\n
+ float epsilon = 1.0e-10;\n
+ vec4 K = vec4(0.0, -1.0 / 3.0, 2.0 / 3.0, -1.0);\n
+ vec4 P = mix(vec4(rgb.bg, K.wz), vec4(rgb.gb, K.xy), step(rgb.b, rgb.g));\n
+ vec4 Q = mix(vec4(P.xyw, rgb.r), vec4(rgb.r, P.yzx), step(P.x, rgb.r));\n
+ \n
+ // RGB -> HCV
+ float value = Q.x;\n
+ float chroma = Q.x - min(Q.w, Q.y);\n
+ float hue = abs(Q.z + (Q.w-Q.y) / (6.0*chroma+epsilon));\n
+ // HCV -> HSL
+ float lightness = value - chroma*0.5;\n
+ return vec3( hue, chroma/max( 1.0-abs(lightness*2.0-1.0), 1.0e-1 ), lightness );\n
+}\n
+
+vec3 hsl2rgb( vec3 hsl )\n
+{\n
+ // pure hue->RGB
+ vec4 K = vec4(1.0, 2.0 / 3.0, 1.0 / 3.0, 3.0);\n
+ vec3 p = abs(fract(hsl.xxx + K.xyz) * 6.0 - K.www);\n
+ vec3 RGB = clamp(p - K.xxx, 0.0, 1.0);\n
+ \n
+ float chroma = ( 1.0 - abs( hsl.z*2.0-1.0 ) ) * hsl.y;\n
+ return ( RGB - 0.5 ) * chroma + hsl.z;\n
+}\n
+
+void main()\n
+{\n
+ vec3 normal = normalize( vNormal);\n
+
+ vec3 lightPosition = uLightPosition + vec3(uLightXYOffset+uLightSpinOffset, 0.0);\n
+ mediump vec3 vecToLight = normalize( (lightPosition - vVertex.xyz) * 0.01 );\n
+ mediump float spotEffect = pow( max(0.05, vecToLight.z ) - 0.05, 8.0);\n
+
+ spotEffect = spotEffect * uEffectStrength;\n
+ mediump float lightDiffuse = ( ( dot( vecToLight, normal )-0.75 ) *uLightIntensity ) * spotEffect;\n
+
+ lowp vec4 color = texture2D( sTexture, vTexCoord + vTextureOffset * spotEffect );\n
+ vec3 lightedColor = hsl2rgb( rgb2hsl(color.rgb) + vec3(0.0,0.0,lightDiffuse) );\n
+
+ gl_FragColor = vec4( lightedColor, color.a ) * uColor;\n
+}\n
+);
+
+} // namespace
+
+
+/*************************************************/
+/*Demo using RefractionEffect*****************/
+/*************************************************/
+class RefractionEffectExample : public ConnectionTracker
+{
+public:
+ RefractionEffectExample( Application &application )
+ : mApplication( application ),
+ mCurrentTextureId( 1 ),
+ mCurrentMeshId( 0 )
+ {
+ // Connect to the Application's Init signal
+ application.InitSignal().Connect(this, &RefractionEffectExample::Create);
+ }
+
+ ~RefractionEffectExample()
+ {
+ }
+
+private:
+
+ // The Init signal is received once (only) during the Application lifetime
+ void Create(Application& application)
+ {
+ DemoHelper::RequestThemeChange();
+
+ Stage stage = Stage::GetCurrent();
+ Vector2 stageSize = stage.GetSize();
+
+ stage.KeyEventSignal().Connect(this, &RefractionEffectExample::OnKeyEvent);
+
+ // Creates a default view with a default tool bar.
+ // The view is added to the stage.
+ Toolkit::ToolBar toolBar;
+ Toolkit::Control view;
+ mContent = DemoHelper::CreateView( application,
+ view,
+ toolBar,
+ "",
+ TOOLBAR_IMAGE,
+ APPLICATION_TITLE );
+
+ // Add a button to change background. (right of toolbar)
+ mChangeTextureButton = Toolkit::PushButton::New();
+ mChangeTextureButton.SetBackgroundImage( ResourceImage::New( CHANGE_TEXTURE_ICON ) );
+ mChangeTextureButton.ClickedSignal().Connect( this, &RefractionEffectExample::OnChangeTexture );
+ toolBar.AddControl( mChangeTextureButton,
+ DemoHelper::DEFAULT_VIEW_STYLE.mToolBarButtonPercentage,
+ Toolkit::Alignment::HorizontalRight,
+ DemoHelper::DEFAULT_MODE_SWITCH_PADDING );
+ // Add a button to change mesh pattern. ( left of bar )
+ mChangeMeshButton = Toolkit::PushButton::New();
+ mChangeMeshButton.SetBackgroundImage( ResourceImage::New( CHANGE_MESH_ICON ) );
+ mChangeMeshButton.ClickedSignal().Connect( this, &RefractionEffectExample::OnChangeMesh );
+ toolBar.AddControl( mChangeMeshButton,
+ DemoHelper::DEFAULT_VIEW_STYLE.mToolBarButtonPercentage,
+ Toolkit::Alignment::HorizontalLeft,
+ DemoHelper::DEFAULT_MODE_SWITCH_PADDING );
+
+
+
+ // shader used when the screen is not touched, render a flat surface
+ mShaderFlat = Shader::New( VERTEX_SHADER_FLAT, FRAGMENT_SHADER_FLAT );
+ mGeometry = CreateGeometry( MESH_FILES[mCurrentMeshId] );
+
+ Image texture = LoadStageFillingImage( TEXTURE_IMAGES[mCurrentTextureId] );
+ mSampler = Sampler::New( texture, "sTexture" );
+ mMaterial = Material::New( mShaderFlat );
+ mMaterial.AddSampler( mSampler );
+
+ mRenderer = Renderer::New( mGeometry, mMaterial );
+
+ mMeshActor = Actor::New();
+ mMeshActor.AddRenderer( mRenderer );
+ mMeshActor.SetSize( stageSize );
+ mMeshActor.SetParentOrigin(ParentOrigin::CENTER);
+ mContent.Add( mMeshActor );
+
+ // Connect the callback to the touch signal on the mesh actor
+ mContent.TouchedSignal().Connect( this, &RefractionEffectExample::OnTouch );
+
+ // shader used when the finger is touching the screen. render refraction effect
+ mShaderRefraction = Shader::New( VERTEX_SHADER_REFRACTION, FRAGMENT_SHADER_REFRACTION );
+
+ // register uniforms
+ mLightXYOffsetIndex = mMeshActor.RegisterProperty( "light-XY-offset", Vector2::ZERO );
+ mMeshActor.AddUniformMapping( mLightXYOffsetIndex, "uLightXYOffset" );
+
+ mLightIntensityIndex = mMeshActor.RegisterProperty( "light-intensity", 2.5f );
+ mMeshActor.AddUniformMapping( mLightIntensityIndex, "uLightIntensity" );
+
+ mEffectStrengthIndex = mMeshActor.RegisterProperty( "effect-strength", 0.f );
+ mMeshActor.AddUniformMapping( mEffectStrengthIndex, "uEffectStrength" );
+
+ Vector3 lightPosition( -stageSize.x*0.5f, -stageSize.y*0.5f, stageSize.x*0.5f ); // top_left
+ Property::Index lightPositionIndex = mMeshActor.RegisterProperty( "light-position", lightPosition );
+ mMeshActor.AddUniformMapping( lightPositionIndex, "uLightPosition");
+
+ Property::Index lightSpinOffsetIndex = mMeshActor.RegisterProperty( "light-spin-offset", Vector2::ZERO );
+ mMeshActor.AddUniformMapping( lightSpinOffsetIndex, "uLightSpinOffset" );
+
+ mSpinAngleIndex = mMeshActor.RegisterProperty("spin-angle", 0.f );
+ Constraint constraint = Constraint::New<Vector2>( mMeshActor, lightSpinOffsetIndex, LightOffsetConstraint(stageSize.x*0.1f) );
+ constraint.AddSource( LocalSource(mSpinAngleIndex) );
+ constraint.Apply();
+
+ // the animation which spin the light around the finger touch position
+ mLightAnimation = Animation::New(2.f);
+ mLightAnimation.AnimateTo( Property( mMeshActor, mSpinAngleIndex ), Math::PI*2.f );
+ mLightAnimation.SetLooping( true );
+ mLightAnimation.Pause();
+ }
+
+ void SetLightXYOffset( const Vector2& offset )
+ {
+ mMeshActor.SetProperty( mLightXYOffsetIndex, offset );
+ }
+
+ /**
+ * Create a mesh actor with different geometry to replace the current one
+ */
+ bool OnChangeMesh( Toolkit::Button button )
+ {
+ mCurrentMeshId = ( mCurrentMeshId + 1 ) % NUM_MESH_FILES;
+ mGeometry = CreateGeometry( MESH_FILES[mCurrentMeshId] );
+ mRenderer.SetGeometry( mGeometry );
+
+ return true;
+ }
+
+ bool OnChangeTexture( Toolkit::Button button )
+ {
+ mCurrentTextureId = ( mCurrentTextureId + 1 ) % NUM_TEXTURE_IMAGES;
+ Image texture = LoadStageFillingImage( TEXTURE_IMAGES[mCurrentTextureId] );
+ mSampler.SetImage( texture );
+ return true;
+ }
+
+ bool OnTouch( Actor actor , const TouchEvent& event )
+ {
+ const TouchPoint &point = event.GetPoint(0);
+ switch(point.state)
+ {
+ case TouchPoint::Down:
+ {
+ mMaterial.SetShader( mShaderRefraction );
+
+ SetLightXYOffset( point.screen );
+
+ mLightAnimation.Play();
+
+ if( mStrenghAnimation )
+ {
+ mStrenghAnimation.Clear();
+ }
+
+ mStrenghAnimation= Animation::New(0.5f);
+ mStrenghAnimation.AnimateTo( Property( mMeshActor, mEffectStrengthIndex ), 1.f );
+ mStrenghAnimation.Play();
+
+ break;
+ }
+ case TouchPoint::Motion:
+ {
+ // make the light position following the finger movement
+ SetLightXYOffset( point.screen );
+ break;
+ }
+ case TouchPoint::Up:
+ case TouchPoint::Leave:
+ case TouchPoint::Interrupted:
+ {
+ mLightAnimation.Pause();
+
+ if( mStrenghAnimation )
+ {
+ mStrenghAnimation.Clear();
+ }
+ mStrenghAnimation = Animation::New(0.5f);
+ mStrenghAnimation.AnimateTo( Property( mMeshActor, mEffectStrengthIndex ), 0.f );
+ mStrenghAnimation.FinishedSignal().Connect( this, &RefractionEffectExample::OnTouchFinished );
+ mStrenghAnimation.Play();
+ break;
+ }
+ case TouchPoint::Stationary:
+ case TouchPoint::Last:
+ default:
+ {
+ break;
+ }
+ }
+
+ return true;
+ }
+
+ void OnTouchFinished( Animation& source )
+ {
+ mMaterial.SetShader( mShaderFlat );
+ SetLightXYOffset( Vector2::ZERO );
+ }
+
+ Geometry CreateGeometry(const std::string& objFileName)
+ {
+ std::vector<Vector3> vertexPositions;
+ Vector<unsigned int> faceIndices;
+ Vector<float> boundingBox;
+ // read the vertice and faces from the .obj file, and record the bounding box
+ ReadObjFile( objFileName, boundingBox, vertexPositions, faceIndices );
+
+ std::vector<Vector2> textureCoordinates;
+ // align the mesh, scale it to fit the screen size, and calculate the texture coordinate for each vertex
+ ShapeResizeAndTexureCoordinateCalculation( boundingBox, vertexPositions, textureCoordinates );
+
+ // re-organize the mesh, the vertices are duplicated, each vertex only belongs to one triangle.
+ // Without sharing vertex between triangle, so we can manipulate the texture offset on each triangle conveniently.
+ std::vector<Vertex> vertices;
+
+ std::size_t size = faceIndices.Size();
+ vertices.reserve( size );
+
+ for( std::size_t i=0; i<size; i=i+3 )
+ {
+ Vector3 edge1 = vertexPositions[ faceIndices[i+2] ] - vertexPositions[ faceIndices[i] ];
+ Vector3 edge2 = vertexPositions[ faceIndices[i+1] ] - vertexPositions[ faceIndices[i] ];
+ Vector3 normal = edge1.Cross(edge2);
+ normal.Normalize();
+
+ // make sure all the faces are front-facing
+ if( normal.z > 0 )
+ {
+ vertices.push_back( Vertex( vertexPositions[ faceIndices[i] ], normal, textureCoordinates[ faceIndices[i] ] ) );
+ vertices.push_back( Vertex( vertexPositions[ faceIndices[i+1] ], normal, textureCoordinates[ faceIndices[i+1] ] ) );
+ vertices.push_back( Vertex( vertexPositions[ faceIndices[i+2] ], normal, textureCoordinates[ faceIndices[i+2] ] ) );
+ }
+ else
+ {
+ normal *= -1.f;
+ vertices.push_back( Vertex( vertexPositions[ faceIndices[i] ], normal, textureCoordinates[ faceIndices[i] ] ) );
+ vertices.push_back( Vertex( vertexPositions[ faceIndices[i+2] ], normal, textureCoordinates[ faceIndices[i+2] ] ) );
+ vertices.push_back( Vertex( vertexPositions[ faceIndices[i+1] ], normal, textureCoordinates[ faceIndices[i+1] ] ) );
+ }
+ }
+
+ Property::Map vertexFormat;
+ vertexFormat["aPosition"] = Property::VECTOR3;
+ vertexFormat["aNormal"] = Property::VECTOR3;
+ vertexFormat["aTexCoord"] = Property::VECTOR2;
+ PropertyBuffer surfaceVertices = PropertyBuffer::New( PropertyBuffer::STATIC, vertexFormat, vertices.size() );
+ surfaceVertices.SetData( &vertices[0] );
+
+ Geometry surface = Geometry::New();
+ surface.AddVertexBuffer( surfaceVertices );
+
+ return surface;
+ }
+
+ void ReadObjFile( const std::string& objFileName,
+ Vector<float>& boundingBox,
+ std::vector<Vector3>& vertexPositions,
+ Vector<unsigned int>& faceIndices)
+ {
+ std::ifstream ifs( objFileName.c_str(), std::ios::in );
+
+ boundingBox.Resize( 6 );
+ boundingBox[0]=boundingBox[2]=boundingBox[4] = std::numeric_limits<float>::max();
+ boundingBox[1]=boundingBox[3]=boundingBox[5] = -std::numeric_limits<float>::max();
+
+ std::string line;
+ while( std::getline( ifs, line ) )
+ {
+ if( line[0] == 'v' && std::isspace(line[1])) // vertex
+ {
+ std::istringstream iss(line.substr(2), std::istringstream::in);
+ unsigned int i = 0;
+ Vector3 vertex;
+ while( iss >> vertex[i++] && i < 3);
+ if( vertex.x < boundingBox[0] ) boundingBox[0] = vertex.x;
+ if( vertex.x > boundingBox[1] ) boundingBox[1] = vertex.x;
+ if( vertex.y < boundingBox[2] ) boundingBox[2] = vertex.y;
+ if( vertex.y > boundingBox[3] ) boundingBox[3] = vertex.y;
+ if( vertex.z < boundingBox[4] ) boundingBox[4] = vertex.z;
+ if( vertex.z > boundingBox[5] ) boundingBox[5] = vertex.z;
+ vertexPositions.push_back( vertex );
+ }
+ else if( line[0] == 'f' ) //face
+ {
+ unsigned int numOfInt = 3;
+ while( true )
+ {
+ std::size_t found = line.find('/');
+ if( found == std::string::npos )
+ {
+ break;
+ }
+ line[found] = ' ';
+ numOfInt++;
+ }
+
+ std::istringstream iss(line.substr(2), std::istringstream::in);
+ unsigned int indices[ numOfInt ];
+ unsigned int i=0;
+ while( iss >> indices[i++] && i < numOfInt);
+ unsigned int step = (i+1) / 3;
+ faceIndices.PushBack( indices[0]-1 );
+ faceIndices.PushBack( indices[step]-1 );
+ faceIndices.PushBack( indices[2*step]-1 );
+ }
+ }
+
+ ifs.close();
+ }
+
+ void ShapeResizeAndTexureCoordinateCalculation( const Vector<float>& boundingBox,
+ std::vector<Vector3>& vertexPositions,
+ std::vector<Vector2>& textureCoordinates)
+ {
+ Vector3 bBoxSize( boundingBox[1] - boundingBox[0], boundingBox[3] - boundingBox[2], boundingBox[5] - boundingBox[4]);
+ Vector3 bBoxMinCorner( boundingBox[0], boundingBox[2], boundingBox[4] );
+
+ Vector2 stageSize = Stage::GetCurrent().GetSize();
+ Vector3 scale( stageSize.x / bBoxSize.x, stageSize.y / bBoxSize.y, 1.f );
+ scale.z = (scale.x + scale.y)/2.f;
+
+ textureCoordinates.reserve(vertexPositions.size());
+
+ for( std::vector<Vector3>::iterator iter = vertexPositions.begin(); iter != vertexPositions.end(); iter++ )
+ {
+ Vector3 newPosition( (*iter) - bBoxMinCorner ) ;
+
+ textureCoordinates.push_back( Vector2( newPosition.x / bBoxSize.x, newPosition.y / bBoxSize.y ) );
+
+ newPosition -= bBoxSize * 0.5f;
+ (*iter) = newPosition * scale;
+ }
+ }
+
+ /**
+ * Main key event handler
+ */
+ 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();
+ }
+ }
+ }
+
+private:
+
+ Application& mApplication;
+ Layer mContent;
+
+ Sampler mSampler;
+ Material mMaterial;
+ Geometry mGeometry;
+ Renderer mRenderer;
+ Actor mMeshActor;
+
+ Shader mShaderFlat;
+ Shader mShaderRefraction;
+
+ Animation mLightAnimation;
+ Animation mStrenghAnimation;
+
+ Property::Index mLightXYOffsetIndex;
+ Property::Index mSpinAngleIndex;
+ Property::Index mLightIntensityIndex;
+ Property::Index mEffectStrengthIndex;
+
+ Toolkit::PushButton mChangeTextureButton;
+ Toolkit::PushButton mChangeMeshButton;
+ unsigned int mCurrentTextureId;
+ unsigned int mCurrentMeshId;
+};
+
+/*****************************************************************************/
+
+static void
+RunTest(Application& app)
+{
+ RefractionEffectExample theApp(app);
+ app.MainLoop();
+}
+
+/*****************************************************************************/
+
+int
+main(int argc, char **argv)
+{
+ Application app = Application::New(&argc, &argv);
+
+ RunTest(app);
+
+ return 0;
+}
projects / platform / core / uifw / dali-demo.git / commitdiff