2 * Copyright (c) 2017 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"
31 #define MAKE_SHADER(A)#A
33 const char* VERTEX_SHADER = MAKE_SHADER(
34 attribute mediump vec2 aPosition1;
35 attribute mediump vec2 aPosition2;
36 attribute lowp vec3 aColor;
37 uniform mediump mat4 uMvpMatrix;
38 uniform mediump vec3 uSize;
39 uniform mediump float uMorphAmount;
41 varying lowp vec3 vColor;
45 mediump vec2 morphPosition = mix(aPosition1, aPosition2, uMorphAmount);
46 mediump vec4 vertexPosition = vec4(morphPosition, 0.0, 1.0);
48 vertexPosition.xyz *= uSize;
49 vertexPosition = uMvpMatrix * vertexPosition;
50 gl_Position = vertexPosition;
54 const char* FRAGMENT_SHADER = MAKE_SHADER(
55 uniform lowp vec4 uColor;
56 uniform sampler2D sTexture;
58 varying lowp vec3 vColor;
62 gl_FragColor = uColor * vec4( vColor, 1.0 );
66 const unsigned short INDEX_LINES[] = { 0, 1, 1, 2, 2, 3, 3, 4, 4, 0 };
67 const unsigned short INDEX_LOOP[] = { 0, 1, 2, 3, 4 };
68 const unsigned short INDEX_STRIP[] = { 0, 1, 2, 3, 4, 0 };
69 const unsigned short* INDICES[3] = { &INDEX_LINES[0], &INDEX_LOOP[0], &INDEX_STRIP[0] };
70 const unsigned int INDICES_SIZE[3] = { sizeof(INDEX_LINES)/sizeof(INDEX_LINES[0]), sizeof(INDEX_LOOP)/sizeof(INDEX_LOOP[0]), sizeof(INDEX_STRIP)/sizeof(INDEX_STRIP[0])};
72 Geometry CreateGeometry()
82 // Create new geometry object
83 Vertex pentagonVertexData[5] =
85 { Vector2( 0.0f, 1.00f), Vector2( 0.0f, -1.00f), Vector3( 1.0f, 1.0f, 1.0f ) }, // 0
86 { Vector2( -0.95f, 0.31f), Vector2( 0.59f, 0.81f), Vector3( 1.0f, 0.0f, 0.0f ) }, // 1
87 { Vector2( -0.59f, -0.81f), Vector2( -0.95f, -0.31f), Vector3( 0.0f, 1.0f, 0.0f ) }, // 2
88 { Vector2( 0.59f, -0.81f), Vector2( 0.95f, -0.31f), Vector3( 0.0f, 0.0f, 1.0f ) }, // 3
89 { Vector2( 0.95f, 0.31f), Vector2( -0.59f, 0.81f), Vector3( 1.0f, 1.0f, 0.0f ) }, // 4
92 Property::Map pentagonVertexFormat;
93 pentagonVertexFormat["aPosition1"] = Property::VECTOR2;
94 pentagonVertexFormat["aPosition2"] = Property::VECTOR2;
95 pentagonVertexFormat["aColor"] = Property::VECTOR3;
96 PropertyBuffer pentagonVertices = PropertyBuffer::New( pentagonVertexFormat );
97 pentagonVertices.SetData(pentagonVertexData, 5);
100 // Create the geometry object
101 Geometry pentagonGeometry = Geometry::New();
102 pentagonGeometry.AddVertexBuffer( pentagonVertices );
103 pentagonGeometry.SetIndexBuffer( INDICES[0], INDICES_SIZE[0] );
104 pentagonGeometry.SetType( Geometry::LINES );
105 return pentagonGeometry;
108 } // anonymous namespace
110 // This example shows how to morph between 2 meshes with the same number of
112 class ExampleController : public ConnectionTracker
117 * The example controller constructor.
118 * @param[in] application The application instance
120 ExampleController( Application& application )
121 : mApplication( application ),
130 mIndicesCountLabel(),
131 mPrimitiveType( Geometry::LINES ),
132 mCurrentIndexCount( 0 ),
135 // Connect to the Application's Init signal
136 mApplication.InitSignal().Connect( this, &ExampleController::Create );
140 * The example controller destructor
144 // Nothing to do here;
148 * Invoked upon creation of application
149 * @param[in] application The application instance
151 void Create( Application& application )
153 Stage stage = Stage::GetCurrent();
156 mPrimitiveType = Geometry::LINES;
157 mCurrentIndexCount = 10;
160 CreateRadioButtons();
162 stage.KeyEventSignal().Connect(this, &ExampleController::OnKeyEvent);
164 mStageSize = stage.GetSize();
168 // Hide the indicator bar
169 application.GetWindow().ShowIndicator( Dali::Window::INVISIBLE );
171 stage.SetBackgroundColor(Vector4(0.0f, 0.2f, 0.2f, 1.0f));
175 * Invoked whenever application changes the type of geometry drawn
179 Stage stage = Stage::GetCurrent();
181 // destroy mesh actor and its resources if already exists
184 stage.Remove( mMeshActor );
188 mShader = Shader::New( VERTEX_SHADER, FRAGMENT_SHADER );
189 mGeometry = CreateGeometry();
190 mRenderer = Renderer::New( mGeometry, mShader );
192 mRenderer.SetIndexRange( 0, 10 ); // lines
193 mPrimitiveType = Geometry::LINES;
195 mMeshActor = Actor::New();
196 mMeshActor.AddRenderer( mRenderer );
197 mMeshActor.SetSize(200, 200);
199 Property::Index morphAmountIndex = mMeshActor.RegisterProperty( "uMorphAmount", 0.0f );
201 mRenderer.SetProperty( Renderer::Property::DEPTH_INDEX, 0 );
203 mMeshActor.SetParentOrigin( ParentOrigin::CENTER );
204 mMeshActor.SetAnchorPoint( AnchorPoint::CENTER );
205 stage.Add( mMeshActor );
207 Animation animation = Animation::New(5);
208 KeyFrames keyFrames = KeyFrames::New();
209 keyFrames.Add(0.0f, 0.0f);
210 keyFrames.Add(1.0f, 1.0f);
212 animation.AnimateBetween( Property( mMeshActor, morphAmountIndex ), keyFrames, AlphaFunction(AlphaFunction::SIN) );
213 animation.SetLooping(true);
220 void CreateRadioButtons()
222 Stage stage = Stage::GetCurrent();
224 Toolkit::TableView modeSelectTableView = Toolkit::TableView::New( 4, 1 );
225 modeSelectTableView.SetParentOrigin( ParentOrigin::TOP_LEFT );
226 modeSelectTableView.SetAnchorPoint( AnchorPoint::TOP_LEFT );
227 modeSelectTableView.SetFitHeight( 0 );
228 modeSelectTableView.SetFitHeight( 1 );
229 modeSelectTableView.SetFitHeight( 2 );
230 modeSelectTableView.SetCellPadding( Vector2( 6.0f, 0.0f ) );
231 modeSelectTableView.SetScale( Vector3( 0.8f, 0.8f, 0.8f ));
233 const char* labels[] =
240 for( int i = 0; i < 3; ++i )
242 Dali::Toolkit::RadioButton radio = Dali::Toolkit::RadioButton::New();
244 radio.SetProperty( Toolkit::Button::Property::LABEL,
246 .Add( Toolkit::Visual::Property::TYPE, Toolkit::Visual::TEXT )
247 .Add( Toolkit::TextVisual::Property::TEXT, labels[i] )
248 .Add( Toolkit::TextVisual::Property::TEXT_COLOR, Vector4( 0.8f, 0.8f, 0.8f, 1.0f ) )
251 radio.SetParentOrigin( ParentOrigin::TOP_LEFT );
252 radio.SetAnchorPoint( AnchorPoint::TOP_LEFT );
253 radio.SetProperty( Toolkit::Button::Property::SELECTED, i == 0 );
254 radio.PressedSignal().Connect( this, &ExampleController::OnButtonPressed );
256 modeSelectTableView.AddChild( radio, Toolkit::TableView::CellPosition( i, 0 ) );
259 Toolkit::TableView elementCountTableView = Toolkit::TableView::New( 1, 3 );
260 elementCountTableView.SetCellPadding( Vector2( 6.0f, 0.0f ) );
261 elementCountTableView.SetParentOrigin( ParentOrigin::BOTTOM_LEFT );
262 elementCountTableView.SetAnchorPoint( AnchorPoint::BOTTOM_LEFT );
263 elementCountTableView.SetFitHeight( 0 );
264 elementCountTableView.SetFitWidth( 0 );
265 elementCountTableView.SetFitWidth( 1 );
266 elementCountTableView.SetFitWidth( 2 );
267 mMinusButton = Toolkit::PushButton::New();
268 mMinusButton.SetProperty( Toolkit::Button::Property::LABEL, "<<" );
269 mMinusButton.SetParentOrigin( ParentOrigin::TOP_LEFT );
270 mMinusButton.SetAnchorPoint( AnchorPoint::CENTER_LEFT );
272 Toolkit::PushButton mPlusButton = Toolkit::PushButton::New();
273 mPlusButton.SetProperty( Toolkit::Button::Property::LABEL, ">>" );
274 mPlusButton.SetParentOrigin( ParentOrigin::TOP_LEFT );
275 mPlusButton.SetAnchorPoint( AnchorPoint::CENTER_RIGHT );
277 mMinusButton.ClickedSignal().Connect( this, &ExampleController::OnButtonClicked );
278 mPlusButton.ClickedSignal().Connect( this, &ExampleController::OnButtonClicked );
280 mIndicesCountLabel = Toolkit::TextLabel::New();
281 mIndicesCountLabel.SetParentOrigin( ParentOrigin::CENTER );
282 mIndicesCountLabel.SetAnchorPoint( AnchorPoint::TOP_LEFT );
284 std::stringstream str;
285 str << mCurrentIndexCount;
286 mIndicesCountLabel.SetProperty( Toolkit::TextLabel::Property::TEXT, str.str() );
287 mIndicesCountLabel.SetProperty( Toolkit::TextLabel::Property::TEXT_COLOR, Vector4( 1.0, 1.0, 1.0, 1.0 ) );
288 mIndicesCountLabel.SetProperty( Toolkit::TextLabel::Property::VERTICAL_ALIGNMENT, "BOTTOM");
289 mIndicesCountLabel.SetResizePolicy( ResizePolicy::USE_NATURAL_SIZE, Dimension::WIDTH );
290 mIndicesCountLabel.SetResizePolicy( ResizePolicy::USE_NATURAL_SIZE, Dimension::HEIGHT );
292 elementCountTableView.AddChild( mMinusButton, Toolkit::TableView::CellPosition( 0, 0 ) );
293 elementCountTableView.AddChild( mIndicesCountLabel, Toolkit::TableView::CellPosition( 0, 1 ) );
294 elementCountTableView.AddChild( mPlusButton, Toolkit::TableView::CellPosition( 0, 2 ) );
296 stage.Add(modeSelectTableView);
297 stage.Add(elementCountTableView);
301 * Invoked whenever the quit button is clicked
302 * @param[in] button the quit button
304 bool OnQuitButtonClicked( Toolkit::Button button )
306 // quit the application
311 void OnKeyEvent(const KeyEvent& event)
313 if(event.state == KeyEvent::Down)
315 if( IsKey( event, Dali::DALI_KEY_ESCAPE) || IsKey( event, Dali::DALI_KEY_BACK) )
322 bool OnButtonPressed( Toolkit::Button button )
325 if( button == mButtons[0] )
327 mCurrentIndexCount = 10;
329 mPrimitiveType = Geometry::LINES;
332 else if( button == mButtons[1] )
334 mCurrentIndexCount = 5;
336 mPrimitiveType = Geometry::LINE_LOOP;
341 mCurrentIndexCount = 6;
343 mPrimitiveType = Geometry::LINE_STRIP;
347 std::stringstream str;
348 str << mCurrentIndexCount;
349 mIndicesCountLabel.SetProperty( Toolkit::TextLabel::Property::TEXT, str.str() );
350 mGeometry.SetType( mPrimitiveType );
351 mGeometry.SetIndexBuffer( INDICES[ indicesArray ], INDICES_SIZE[ indicesArray ] );
352 mRenderer.SetIndexRange( 0, mCurrentIndexCount );
356 bool OnButtonClicked( Toolkit::Button button )
358 if( button == mMinusButton )
360 if (--mCurrentIndexCount < 2 )
361 mCurrentIndexCount = 2;
365 if (++mCurrentIndexCount > mMaxIndexCount )
366 mCurrentIndexCount = mMaxIndexCount;
369 std::stringstream str;
370 str << mCurrentIndexCount;
371 mIndicesCountLabel.SetProperty( Toolkit::TextLabel::Property::TEXT, str.str() );
372 mRenderer.SetIndexRange( 0, mCurrentIndexCount );
378 Application& mApplication; ///< Application instance
379 Vector3 mStageSize; ///< The size of the stage
385 Toolkit::RadioButton mButtons[3];
386 Toolkit::PushButton mMinusButton;
387 Toolkit::PushButton mPlusButton;
388 Toolkit::TextLabel mIndicesCountLabel;
389 Geometry::Type mPrimitiveType;
390 int mCurrentIndexCount;
394 int DALI_EXPORT_API main( int argc, char **argv )
396 Application application = Application::New( &argc, &argv );
397 ExampleController test( application );
398 application.MainLoop();