2 * Copyright (c) 2020 Samsung Electronics Co., Ltd.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
19 #include <dali-toolkit/dali-toolkit.h>
22 #include "shared/view.h"
23 #include "shared/utility.h"
29 const char* MATERIAL_SAMPLE( DEMO_IMAGE_DIR "gallery-small-48.jpg" );
30 const char* MATERIAL_SAMPLE2( DEMO_IMAGE_DIR "gallery-medium-19.jpg" );
32 #define MAKE_SHADER(A)#A
34 const char* VERTEX_SHADER = MAKE_SHADER(
35 attribute mediump vec2 aPosition;
36 attribute highp vec2 aTexCoord;
37 varying mediump vec2 vTexCoord;
38 uniform mediump mat4 uMvpMatrix;
39 uniform mediump vec3 uSize;
40 uniform lowp vec4 uFadeColor;
44 mediump vec4 vertexPosition = vec4(aPosition, 0.0, 1.0);
45 vertexPosition.xyz *= uSize;
46 vertexPosition = uMvpMatrix * vertexPosition;
47 vTexCoord = aTexCoord;
48 gl_Position = vertexPosition;
52 const char* FRAGMENT_SHADER = MAKE_SHADER(
53 varying mediump vec2 vTexCoord;
54 uniform lowp vec4 uColor;
55 uniform sampler2D sTexture;
56 uniform lowp vec4 uFadeColor;
60 gl_FragColor = texture2D( sTexture, vTexCoord ) * uColor * uFadeColor;
65 * Sinusoidal curve starting at zero with 2 cycles
67 float AlphaFunctionSineX2(float progress)
69 return 0.5f - cosf(progress * 4.0f * Math::PI) * 0.5f;
72 } // anonymous namespace
74 // This example shows how to use a simple mesh
76 class ExampleController : public ConnectionTracker
81 * The example controller constructor.
82 * @param[in] application The application instance
84 ExampleController( Application& application )
85 : mApplication( application )
87 // Connect to the Application's Init signal
88 mApplication.InitSignal().Connect( this, &ExampleController::Create );
92 * The example controller destructor
96 // Nothing to do here;
100 * Invoked upon creation of application
101 * @param[in] application The application instance
103 void Create( Application& application )
105 // The Init signal is received once (only) during the Application lifetime
107 Window window = application.GetWindow();
108 window.KeyEventSignal().Connect(this, &ExampleController::OnKeyEvent);
110 mWindowSize = window.GetSize();
112 Texture texture1 = DemoHelper::LoadTexture( MATERIAL_SAMPLE );
113 Texture texture2 = DemoHelper::LoadTexture( MATERIAL_SAMPLE2 );
115 mShader = Shader::New( VERTEX_SHADER, FRAGMENT_SHADER );
116 mTextureSet1 = TextureSet::New();
117 mTextureSet1.SetTexture( 0u, texture1 );
119 mTextureSet2 = TextureSet::New();
120 mTextureSet2.SetTexture( 0u, texture2 );
122 mGeometry = DemoHelper::CreateTexturedQuad();
124 mRenderer = Renderer::New( mGeometry, mShader );
125 mRenderer.SetTextures( mTextureSet1 );
127 mMeshActor = Actor::New();
128 mMeshActor.AddRenderer( mRenderer );
129 mMeshActor.SetProperty( Actor::Property::SIZE, Vector2(400, 400) );
131 Property::Index fadeColorIndex = mRenderer.RegisterProperty( "uFadeColor", Color::MAGENTA );
132 mRenderer.SetProperty( Renderer::Property::DEPTH_INDEX, 0 );
134 mMeshActor.SetProperty( Actor::Property::PARENT_ORIGIN, ParentOrigin::TOP_CENTER );
135 mMeshActor.SetProperty( Actor::Property::ANCHOR_POINT, AnchorPoint::TOP_CENTER );
136 window.Add( mMeshActor );
138 mRenderer2 = Renderer::New( mGeometry, mShader );
139 mRenderer2.SetTextures( mTextureSet2 );
141 mMeshActor2 = Actor::New();
142 mMeshActor2.AddRenderer( mRenderer2 );
143 mMeshActor2.SetProperty( Actor::Property::SIZE, Vector2(400, 400) );
145 mMeshActor2.RegisterProperty( "anotherProperty", Color::GREEN );
147 mRenderer2.RegisterProperty( "anotherProperty", Vector3::ZERO );
148 mRenderer2.RegisterProperty( "aCoefficient", 0.008f );
149 Property::Index fadeColorIndex2 = mRenderer2.RegisterProperty( "uFadeColor", Color::BLUE );
150 mRenderer2.SetProperty( Renderer::Property::DEPTH_INDEX, 0 );
152 mMeshActor2.SetProperty( Actor::Property::PARENT_ORIGIN, ParentOrigin::BOTTOM_CENTER );
153 mMeshActor2.SetProperty( Actor::Property::ANCHOR_POINT, AnchorPoint::BOTTOM_CENTER );
154 window.Add( mMeshActor2 );
156 Animation animation = Animation::New(5);
157 KeyFrames keyFrames = KeyFrames::New();
158 keyFrames.Add(0.0f, Vector4::ZERO);
159 keyFrames.Add(1.0f, Vector4( Color::GREEN ));
161 KeyFrames keyFrames2 = KeyFrames::New();
162 keyFrames2.Add(0.0f, Vector4::ZERO);
163 keyFrames2.Add(1.0f, Color::MAGENTA);
165 animation.AnimateBetween( Property( mRenderer, fadeColorIndex ), keyFrames, AlphaFunction(AlphaFunction::SIN) );
166 animation.AnimateBetween( Property( mRenderer2, fadeColorIndex2 ), keyFrames2, AlphaFunction(AlphaFunctionSineX2) );
167 animation.SetLooping(true);
170 window.SetBackgroundColor(Vector4(0.0f, 0.2f, 0.2f, 1.0f));
174 * Invoked whenever the quit button is clicked
175 * @param[in] button the quit button
177 bool OnQuitButtonClicked( Toolkit::Button button )
179 // quit the application
184 void OnKeyEvent(const KeyEvent& event)
186 if(event.state == KeyEvent::Down)
188 if( IsKey( event, Dali::DALI_KEY_ESCAPE) || IsKey( event, Dali::DALI_KEY_BACK) )
197 Application& mApplication; ///< Application instance
198 Vector3 mWindowSize; ///< The size of the window
201 TextureSet mTextureSet1;
202 TextureSet mTextureSet2;
208 Timer mChangeImageTimer;
211 int DALI_EXPORT_API main( int argc, char **argv )
213 Application application = Application::New( &argc, &argv );
214 ExampleController test( application );
215 application.MainLoop();