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/utility.h"
23 #include "shared/view.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;
43 mediump vec4 vertexPosition = vec4(aPosition, 0.0, 1.0);
44 vertexPosition.xyz *= uSize;
45 vertexPosition = uMvpMatrix * vertexPosition;
46 vTexCoord = aTexCoord;
47 gl_Position = vertexPosition;
50 const char* FRAGMENT_SHADER = MAKE_SHADER(
51 varying mediump vec2 vTexCoord;
52 uniform lowp vec4 uColor;
53 uniform sampler2D sTexture;
54 uniform lowp vec4 uFadeColor;
57 gl_FragColor = texture2D(sTexture, vTexCoord) * uColor * uFadeColor;
61 * Sinusoidal curve starting at zero with 2 cycles
63 float AlphaFunctionSineX2(float progress)
65 return 0.5f - cosf(progress * 4.0f * Math::PI) * 0.5f;
68 } // anonymous namespace
70 // This example shows how to use a simple mesh
72 class ExampleController : public ConnectionTracker
76 * The example controller constructor.
77 * @param[in] application The application instance
79 ExampleController(Application& application)
80 : mApplication(application)
82 // Connect to the Application's Init signal
83 mApplication.InitSignal().Connect(this, &ExampleController::Create);
87 * The example controller destructor
91 // Nothing to do here;
95 * Invoked upon creation of application
96 * @param[in] application The application instance
98 void Create(Application& application)
100 // The Init signal is received once (only) during the Application lifetime
102 Window window = application.GetWindow();
103 window.KeyEventSignal().Connect(this, &ExampleController::OnKeyEvent);
105 mWindowSize = window.GetSize();
107 Texture texture1 = DemoHelper::LoadTexture(MATERIAL_SAMPLE);
108 Texture texture2 = DemoHelper::LoadTexture(MATERIAL_SAMPLE2);
110 mShader = Shader::New(VERTEX_SHADER, FRAGMENT_SHADER);
111 mTextureSet1 = TextureSet::New();
112 mTextureSet1.SetTexture(0u, texture1);
114 mTextureSet2 = TextureSet::New();
115 mTextureSet2.SetTexture(0u, texture2);
117 mGeometry = DemoHelper::CreateTexturedQuad();
119 mRenderer = Renderer::New(mGeometry, mShader);
120 mRenderer.SetTextures(mTextureSet1);
122 mMeshActor = Actor::New();
123 mMeshActor.AddRenderer(mRenderer);
124 mMeshActor.SetProperty(Actor::Property::SIZE, Vector2(400, 400));
126 Property::Index fadeColorIndex = mRenderer.RegisterProperty("uFadeColor", Color::MAGENTA);
127 mRenderer.SetProperty(Renderer::Property::DEPTH_INDEX, 0);
129 mMeshActor.SetProperty(Actor::Property::PARENT_ORIGIN, ParentOrigin::TOP_CENTER);
130 mMeshActor.SetProperty(Actor::Property::ANCHOR_POINT, AnchorPoint::TOP_CENTER);
131 window.Add(mMeshActor);
133 mRenderer2 = Renderer::New(mGeometry, mShader);
134 mRenderer2.SetTextures(mTextureSet2);
136 mMeshActor2 = Actor::New();
137 mMeshActor2.AddRenderer(mRenderer2);
138 mMeshActor2.SetProperty(Actor::Property::SIZE, Vector2(400, 400));
140 mMeshActor2.RegisterProperty("anotherProperty", Color::GREEN);
142 mRenderer2.RegisterProperty("anotherProperty", Vector3::ZERO);
143 mRenderer2.RegisterProperty("aCoefficient", 0.008f);
144 Property::Index fadeColorIndex2 = mRenderer2.RegisterProperty("uFadeColor", Color::BLUE);
145 mRenderer2.SetProperty(Renderer::Property::DEPTH_INDEX, 0);
147 mMeshActor2.SetProperty(Actor::Property::PARENT_ORIGIN, ParentOrigin::BOTTOM_CENTER);
148 mMeshActor2.SetProperty(Actor::Property::ANCHOR_POINT, AnchorPoint::BOTTOM_CENTER);
149 window.Add(mMeshActor2);
151 Animation animation = Animation::New(5);
152 KeyFrames keyFrames = KeyFrames::New();
153 keyFrames.Add(0.0f, Vector4::ZERO);
154 keyFrames.Add(1.0f, Vector4(Color::GREEN));
156 KeyFrames keyFrames2 = KeyFrames::New();
157 keyFrames2.Add(0.0f, Vector4::ZERO);
158 keyFrames2.Add(1.0f, Color::MAGENTA);
160 animation.AnimateBetween(Property(mRenderer, fadeColorIndex), keyFrames, AlphaFunction(AlphaFunction::SIN));
161 animation.AnimateBetween(Property(mRenderer2, fadeColorIndex2), keyFrames2, AlphaFunction(AlphaFunctionSineX2));
162 animation.SetLooping(true);
165 window.SetBackgroundColor(Vector4(0.0f, 0.2f, 0.2f, 1.0f));
169 * Invoked whenever the quit button is clicked
170 * @param[in] button the quit button
172 bool OnQuitButtonClicked(Toolkit::Button button)
174 // quit the application
179 void OnKeyEvent(const KeyEvent& event)
181 if(event.GetState() == KeyEvent::DOWN)
183 if(IsKey(event, Dali::DALI_KEY_ESCAPE) || IsKey(event, Dali::DALI_KEY_BACK))
191 Application& mApplication; ///< Application instance
192 Vector3 mWindowSize; ///< The size of the window
195 TextureSet mTextureSet1;
196 TextureSet mTextureSet2;
202 Timer mChangeImageTimer;
205 int DALI_EXPORT_API main(int argc, char** argv)
207 Application application = Application::New(&argc, &argv);
208 ExampleController test(application);
209 application.MainLoop();