examples/primitive-shapes/primitive-shapes-example.cpp

   1 /*
   2  * Copyright (c) 2020 Samsung Electronics Co., Ltd.
   3  *
   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
   7  *
   8  * http://www.apache.org/licenses/LICENSE-2.0
   9  *
  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.
  15  *
  16  */
  17
  18 #include <dali-toolkit/dali-toolkit.h>
  19 #include <dali-toolkit/devel-api/controls/table-view/table-view.h>
  20
  21 using namespace Dali;
  22 using namespace Dali::Toolkit;
  23
  24 namespace
  25 {
  26   //Button image urls
  27   const char* BUTTON_IMAGE_URL[] =
  28   {
  29     DEMO_IMAGE_DIR "sphere-button.png",
  30     DEMO_IMAGE_DIR "cone-button.png",
  31     DEMO_IMAGE_DIR "conical-frustum-button.png",
  32     DEMO_IMAGE_DIR "cylinder-button.png",
  33     DEMO_IMAGE_DIR "cube-button.png",
  34     DEMO_IMAGE_DIR "bevelled-cube-button.png",
  35     DEMO_IMAGE_DIR "octahedron-button.png"
  36   };
  37
  38   //Prefix of all shape titles.
  39   const std::string SHAPE_TITLE_PREFIX = "Current Shape: ";
  40
  41   //Shape property defaults
  42   const int DEFAULT_SLICES = 32;
  43   const int DEFAULT_STACKS = 32;
  44   const float DEFAULT_SCALE_HEIGHT = 16.0f;
  45   const float DEFAULT_SCALE_BOTTOM_RADIUS = 8.0f;
  46   const float DEFAULT_SCALE_TOP_RADIUS = 4.0f;
  47   const float DEFAULT_SCALE_RADIUS = 8.0f;
  48   const float DEFAULT_BEVEL_PERCENTAGE = 0.3f;
  49   const float DEFAULT_BEVEL_SMOOTHNESS = 0.0f;
  50
  51   //Shape property limits
  52   const int SLICES_LOWER_BOUND = 3;
  53   const int SLICES_UPPER_BOUND = 16;
  54   const int STACKS_LOWER_BOUND = 2;
  55   const int STACKS_UPPER_BOUND = 16;
  56
  57   //Used to the control rate of rotation when panning an object.
  58   const float X_ROTATION_DISPLACEMENT_FACTOR = 60.0f;
  59   const float Y_ROTATION_DISPLACEMENT_FACTOR = 60.0f;
  60
  61   const int NUM_MODELS = 7; //Total number of possible base shapes.
  62   const int MAX_PROPERTIES = 3; //Maximum number of properties a shape may require. (For displaying sliders.)
  63
  64 } //End namespace
  65
  66 class PrimitiveShapesController : public ConnectionTracker
  67 {
  68 public:
  69
  70   PrimitiveShapesController( Application& application )
  71   : mApplication( application ),
  72     mColor( Vector4( 0.3f, 0.7f, 1.0f, 1.0f ) ),
  73     mRotation( Vector2::ZERO )
  74   {
  75     // Connect to the Application's Init signal
  76     mApplication.InitSignal().Connect( this, &PrimitiveShapesController::Create );
  77   }
  78
  79   ~PrimitiveShapesController()
  80   {
  81   }
  82
  83   // The Init signal is received once (only) during the Application lifetime
  84   void Create( Application& application )
  85   {
  86     // Get a handle to the window
  87     Window window = application.GetWindow();
  88     window.SetBackgroundColor( Color::WHITE );
  89
  90     //Set up layer to place UI on.
  91     Layer layer = Layer::New();
  92     layer.SetProperty( Actor::Property::PARENT_ORIGIN, ParentOrigin::CENTER );
  93     layer.SetProperty( Actor::Property::ANCHOR_POINT, AnchorPoint::CENTER );
  94     layer.SetResizePolicy( ResizePolicy::FILL_TO_PARENT, Dimension::ALL_DIMENSIONS );
  95     layer.SetProperty( Layer::Property::BEHAVIOR, Layer::LAYER_UI ); //We use a 2D layer as this is closer to UI work than full 3D scene creation.
  96     layer.SetProperty( Layer::Property::DEPTH_TEST, true ); //Enable depth testing, as otherwise the 2D layer would not do so.
  97     window.Add( layer );
  98
  99     //Set up model selection buttons.
 100     SetupButtons( layer );
 101
 102     //Set up model parameter sliders.
 103     SetupSliders( layer );
 104
 105     //Set up 3D model.
 106     SetupModel( layer );
 107
 108     //Allow for exiting of the application via key presses.
 109     window.KeyEventSignal().Connect( this, &PrimitiveShapesController::OnKeyEvent );
 110   }
 111
 112   //Place buttons on the top of the screen, which allow for selection of the shape to be displayed.
 113   //A title above indicates the currently selected shape.
 114   //The buttons are laid out like so:
 115   //
 116   //      ^    +--------------------------------+
 117   //      |    | Current Shape: ~~~~~           |
 118   //      |    |                                |
 119   //      |    | +----+ +----+ +----+ +----+    |
 120   //      |    | |    | |    | |    | |    |    |
 121   //  30% |    | +----+ +----+ +----+ +----+    |
 122   //      |    |                                |
 123   //      |    | +----+ +----+ +----+           |
 124   //      |    | |    | |    | |    |           |
 125   //      v    | +----+ +----+ +----+           |
 126   //           |                                |
 127   //           |                                |
 128   //           |                                |
 129   //           |                                |
 130   //           |                                |
 131   //           |                                |
 132   //           |                                |
 133   //           |                                |
 134   //           |                                |
 135   //           |                                |
 136   //           |                                |
 137   //           |                                |
 138   //           |                                |
 139   //           |                                |
 140   //           |                                |
 141   //           |                                |
 142   //           |                                |
 143   //           |                                |
 144   //           +--------------------------------+
 145   //
 146   void SetupButtons( Layer layer )
 147   {
 148     float containerPadding = 10.0f;
 149     float elementPadding = 5.0f;
 150
 151     //Used to layout the title and the buttons below it.
 152     Control topAlignment = Control::New();
 153     topAlignment.SetProperty( Actor::Property::PARENT_ORIGIN, ParentOrigin::TOP_CENTER );
 154     topAlignment.SetProperty( Actor::Property::ANCHOR_POINT, AnchorPoint::TOP_CENTER );
 155     topAlignment.SetResizePolicy( ResizePolicy::FILL_TO_PARENT, Dimension::WIDTH );
 156     topAlignment.SetResizePolicy( ResizePolicy::FIT_TO_CHILDREN, Dimension::HEIGHT );
 157     layer.Add( topAlignment );
 158
 159     //Add a title to indicate the currently selected shape.
 160     mShapeTitle = TextLabel::New( "DEFAULT" );
 161     mShapeTitle.SetProperty( Actor::Property::PARENT_ORIGIN, ParentOrigin::CENTER );
 162     mShapeTitle.SetProperty( Actor::Property::ANCHOR_POINT, AnchorPoint::CENTER );
 163     mShapeTitle.SetResizePolicy( ResizePolicy::USE_NATURAL_SIZE, Dimension::ALL_DIMENSIONS );
 164     mShapeTitle.SetProperty( Actor::Property::PADDING, Padding( elementPadding, elementPadding, elementPadding, elementPadding ) );
 165     topAlignment.Add( mShapeTitle );
 166
 167     //Create a variable-length container that can wrap buttons around as more are added.
 168     FlexContainer buttonContainer = FlexContainer::New();
 169     buttonContainer.SetProperty( Actor::Property::PARENT_ORIGIN, ParentOrigin::BOTTOM_CENTER );
 170     buttonContainer.SetProperty( Actor::Property::ANCHOR_POINT, AnchorPoint::TOP_CENTER );
 171     buttonContainer.SetResizePolicy( ResizePolicy::FILL_TO_PARENT, Dimension::WIDTH );
 172     buttonContainer.SetResizePolicy( ResizePolicy::FIXED, Dimension::HEIGHT );
 173     buttonContainer.SetProperty( Actor::Property::PADDING, Padding( containerPadding, containerPadding, containerPadding, containerPadding ) );
 174     buttonContainer.SetProperty( FlexContainer::Property::FLEX_DIRECTION, FlexContainer::ROW );
 175     buttonContainer.SetProperty( FlexContainer::Property::FLEX_WRAP, FlexContainer::WRAP );
 176     topAlignment.Add( buttonContainer );
 177
 178     //Create buttons and place them in the container.
 179     for( int modelNumber = 0; modelNumber < NUM_MODELS; modelNumber++ )
 180     {
 181       PushButton button = Toolkit::PushButton::New();
 182       button.SetProperty( Actor::Property::PARENT_ORIGIN, ParentOrigin::CENTER );
 183       button.SetProperty( Actor::Property::ANCHOR_POINT, AnchorPoint::CENTER );
 184       button.SetResizePolicy( ResizePolicy::USE_NATURAL_SIZE, Dimension::ALL_DIMENSIONS );
 185       button.SetProperty( Actor::Property::PADDING, Padding( elementPadding, elementPadding, elementPadding, elementPadding ) );
 186       button.SetProperty( Button::Property::UNSELECTED_BACKGROUND_VISUAL, BUTTON_IMAGE_URL[modelNumber] );
 187       button.SetProperty( Button::Property::SELECTED_BACKGROUND_VISUAL,  BUTTON_IMAGE_URL[modelNumber] );
 188       button.RegisterProperty( "modelNumber", Property::Value( modelNumber ) );
 189       button.ClickedSignal().Connect( this, &PrimitiveShapesController::OnChangeShapeClicked );
 190
 191       buttonContainer.Add( button );
 192     }
 193   }
 194
 195   //Add sliders to the bottom of the screen, which allow for control of shape properties such as radius.
 196   //Each slider is placed next to a label that states the property it affects.
 197   //The sliders are laid out like so:
 198   //
 199   //           +--------------------------------+
 200   //           |                                |
 201   //           |                                |
 202   //           |                                |
 203   //           |                                |
 204   //           |                                |
 205   //           |                                |
 206   //           |                                |
 207   //           |                                |
 208   //           |                                |
 209   //           |                                |
 210   //           |                                |
 211   //           |                                |
 212   //           |                                |
 213   //           |                                |
 214   //           |                                |
 215   //           |                                |
 216   //           |                                |
 217   //           |                                |
 218   //           |                                |
 219   //      ^    | Label +----------O-----------+ |
 220   //      |    |                                |
 221   //      |    |                                |
 222   //      |    | Label +--O-------------------+ |
 223   //  30% |    |                                |
 224   //      |    |                                |
 225   //      |    | Label +----------------------O |
 226   //      |    |                                |
 227   //      v    +--------------------------------+
 228   //
 229   void SetupSliders( Layer layer )
 230   {
 231     //Create table to hold sliders and their corresponding labels.
 232     mSliderTable = Toolkit::TableView::New( MAX_PROPERTIES, 2 );
 233     mSliderTable.SetProperty( Actor::Property::PARENT_ORIGIN, ParentOrigin::BOTTOM_CENTER );
 234     mSliderTable.SetProperty( Actor::Property::ANCHOR_POINT, AnchorPoint::BOTTOM_CENTER );
 235     mSliderTable.SetResizePolicy( ResizePolicy::SIZE_RELATIVE_TO_PARENT, Dimension::ALL_DIMENSIONS );
 236     mSliderTable.SetProperty( Actor::Property::SIZE_MODE_FACTOR, Vector3( 0.9, 0.3, 0.0 ) );  //90% of width, 30% of height.
 237     mSliderTable.SetFitWidth( 0 );  //Label column should fit to natural size of label.
 238     mSliderTable.SetRelativeWidth( 1, 1.0f );  //Slider column should fill remaining space.
 239     mSliderTable.SetCellPadding( Vector2( 10.0f, 0.0f ) ); //Leave a gap between the slider and its label.
 240     layer.Add( mSliderTable );
 241
 242     //Set up sliders, and place labels next to them.
 243     for( int i = 0; i < MAX_PROPERTIES; i++ )
 244     {
 245       //Create slider
 246       Slider slider = Slider::New();
 247       slider.SetProperty( Actor::Property::PARENT_ORIGIN, ParentOrigin::CENTER );
 248       slider.SetProperty( Actor::Property::ANCHOR_POINT, AnchorPoint::CENTER );
 249       slider.SetResizePolicy( ResizePolicy::FILL_TO_PARENT, Dimension::WIDTH );
 250       slider.SetResizePolicy( ResizePolicy::USE_NATURAL_SIZE, Dimension::HEIGHT );
 251       slider.ValueChangedSignal().Connect( this, &PrimitiveShapesController::OnSliderValueChanged );
 252       mSliders.push_back( slider );
 253
 254       //Setup slider cell properties
 255       mSliderTable.AddChild( slider, TableView::CellPosition( i, 1 ) );
 256       mSliderTable.SetCellAlignment( TableView::CellPosition( i, 1 ), HorizontalAlignment::CENTER, VerticalAlignment::CENTER );
 257
 258       //Create slider label
 259       TextLabel sliderLabel = TextLabel::New();
 260       sliderLabel.SetProperty( Actor::Property::PARENT_ORIGIN, ParentOrigin::CENTER );
 261       sliderLabel.SetProperty( Actor::Property::ANCHOR_POINT, AnchorPoint::CENTER );
 262       sliderLabel.SetResizePolicy( ResizePolicy::USE_NATURAL_SIZE, Dimension::ALL_DIMENSIONS );
 263       mSliderLabels.push_back( sliderLabel );
 264
 265       //Setup slider-label cell properties
 266       mSliderTable.AddChild( sliderLabel, TableView::CellPosition( i, 0 ) );
 267       mSliderTable.SetCellAlignment( TableView::CellPosition( i, 0 ), HorizontalAlignment::LEFT, VerticalAlignment::CENTER );
 268     }
 269   }
 270
 271   //Adds a control to the centre of the window to display the 3D shapes.
 272   //The model is placed in the center of the screen, like so:
 273   //
 274   //           +--------------------------------+
 275   //           |                                |
 276   //           |                                |
 277   //           |                                |
 278   //           |                                |
 279   //           |                                |
 280   //           |                                |
 281   //           |                                |
 282   //           |                                |
 283   //           |                                |
 284   //       ^   |           ----------           |
 285   //       |   |          /          \          |
 286   //       |   |         /            \         |
 287   //       |   |        |              |        |
 288   //   30% |   |        |              |        |
 289   //       |   |        |              |        |
 290   //       |   |         \            /         |
 291   //       |   |          \          /          |
 292   //       v   |           ----------           |
 293   //           |                                |
 294   //           |                                |
 295   //           |                                |
 296   //           |                                |
 297   //           |                                |
 298   //           |                                |
 299   //           |                                |
 300   //           |                                |
 301   //           |                                |
 302   //           +--------------------------------+
 303   //
 304   void SetupModel( Layer layer )
 305   {
 306     //Create a container to house the visual-holding actor, to provide a constant hitbox.
 307     Actor container = Actor::New();
 308     container.SetResizePolicy( ResizePolicy::SIZE_RELATIVE_TO_PARENT, Dimension::ALL_DIMENSIONS );
 309     container.SetProperty( Actor::Property::SIZE_MODE_FACTOR, Vector3( 0.9, 0.3, 0.0 ) );  //90% of width, 30% of height.
 310     container.SetProperty( Actor::Property::PARENT_ORIGIN, ParentOrigin::CENTER );
 311     container.SetProperty( Actor::Property::ANCHOR_POINT, AnchorPoint::CENTER );
 312     layer.Add( container );
 313
 314     //Create control to display the 3D primitive.
 315     mModel = Control::New();
 316     mModel.SetProperty( Actor::Property::PARENT_ORIGIN, ParentOrigin::CENTER );
 317     mModel.SetProperty( Actor::Property::ANCHOR_POINT, AnchorPoint::CENTER);
 318     mModel.SetResizePolicy( ResizePolicy::FILL_TO_PARENT, Dimension::ALL_DIMENSIONS );
 319     container.Add( mModel );
 320
 321     //Load default shape.
 322     LoadCube();
 323
 324     //Make model spin to demonstrate 3D.
 325     mRotationAnimation = Animation::New(15.0f);
 326     mRotationAnimation.AnimateBy( Property( mModel, Actor::Property::ORIENTATION ),
 327                                  Quaternion( Degree( 0.0f ), Degree( 360.0f ), Degree( 0.0f ) ) );
 328     mRotationAnimation.SetLooping(true);
 329     mRotationAnimation.Play();
 330
 331     //Attach gesture detector to pan models when rotated.
 332     mPanGestureDetector = PanGestureDetector::New();
 333     mPanGestureDetector.Attach( container );
 334     mPanGestureDetector.DetectedSignal().Connect( this, &PrimitiveShapesController::OnPan );
 335   }
 336
 337   //Clears all sliders and resets the primitive visual property map.
 338   void InitialiseSlidersAndModel()
 339   {
 340     //Sliders
 341     for( unsigned i = 0; i < mSliders.size(); i++ )
 342     {
 343       mSliders.at( i ).SetProperty( Slider::Property::MARKS, Property::Value( 0 ) ); //Remove marks
 344       mSliders.at( i ).SetProperty( Actor::Property::VISIBLE, false );
 345       mSliderLabels.at( i ).SetProperty( TextLabel::Property::TEXT, Property::Value( "Default" ) );
 346       mSliderLabels.at( i ).SetProperty( Actor::Property::VISIBLE, false );
 347     }
 348
 349     //Visual map for model
 350     mVisualMap.Clear();
 351     mVisualMap[ Toolkit::Visual::Property::TYPE           ] = Visual::PRIMITIVE;
 352     mVisualMap[ PrimitiveVisual::Property::MIX_COLOR ] = mColor;
 353     mVisualMap[ Visual::Property::TRANSFORM ] =
 354         Property::Map().Add( Visual::Transform::Property::ORIGIN, Align::CENTER )
 355                        .Add( Visual::Transform::Property::ANCHOR_POINT, Align::CENTER );
 356   }
 357
 358   //Sets the 3D model to a sphere and modifies the sliders appropriately.
 359   void LoadSphere()
 360   {
 361     InitialiseSlidersAndModel();
 362
 363     //Set up specific visual properties.
 364     mVisualMap[ PrimitiveVisual::Property::SHAPE  ] = PrimitiveVisual::Shape::SPHERE;
 365     mVisualMap[ PrimitiveVisual::Property::SLICES ] = DEFAULT_SLICES;
 366     mVisualMap[ PrimitiveVisual::Property::STACKS ] = DEFAULT_STACKS;
 367
 368     //Set up sliders.
 369     SetupSlider( 0, SLICES_LOWER_BOUND, SLICES_UPPER_BOUND, DEFAULT_STACKS, PrimitiveVisual::Property::SLICES, "slices" );
 370     SetupMarks( 0, SLICES_LOWER_BOUND, SLICES_UPPER_BOUND );
 371     mSliders.at( 0 ).SetProperty( Slider::Property::VALUE_PRECISION, Property::Value( 0 ) );
 372
 373     SetupSlider( 1, STACKS_LOWER_BOUND, STACKS_UPPER_BOUND, DEFAULT_STACKS, PrimitiveVisual::Property::STACKS, "stacks" );
 374     SetupMarks( 1, STACKS_LOWER_BOUND, STACKS_UPPER_BOUND );
 375     mSliders.at( 1 ).SetProperty( Slider::Property::VALUE_PRECISION, Property::Value( 0 ) );
 376
 377     //Set model in control.
 378     mModel.SetProperty( Control::Property::BACKGROUND, Property::Value( mVisualMap ) );
 379
 380     //Update title.
 381     mShapeTitle.SetProperty( TextLabel::Property::TEXT, SHAPE_TITLE_PREFIX + "Sphere" );
 382   }
 383
 384   //Sets the 3D model to a cone and modifies the sliders appropriately.
 385   void LoadCone()
 386   {
 387     InitialiseSlidersAndModel();
 388
 389     //Set up specific visual properties.
 390     mVisualMap[ PrimitiveVisual::Property::SHAPE               ] = PrimitiveVisual::Shape::CONE;
 391     mVisualMap[ PrimitiveVisual::Property::SCALE_HEIGHT        ] = DEFAULT_SCALE_HEIGHT;
 392     mVisualMap[ PrimitiveVisual::Property::SCALE_BOTTOM_RADIUS ] = DEFAULT_SCALE_BOTTOM_RADIUS;
 393     mVisualMap[ PrimitiveVisual::Property::SLICES              ] = DEFAULT_SLICES;
 394
 395     //Set up sliders.
 396     SetupSlider( 0, 1.0f, 32.0f, DEFAULT_SCALE_HEIGHT, PrimitiveVisual::Property::SCALE_HEIGHT, "scaleHeight" );
 397     mSliders.at( 0 ).SetProperty( Slider::Property::VALUE_PRECISION, Property::Value( 1 ) );
 398
 399     SetupSlider( 1, 1.0f, 32.0f, DEFAULT_SCALE_BOTTOM_RADIUS, PrimitiveVisual::Property::SCALE_BOTTOM_RADIUS, "scaleBottomRadius" );
 400     mSliders.at( 1 ).SetProperty( Slider::Property::VALUE_PRECISION, Property::Value( 1 ) );
 401
 402     SetupSlider( 2, SLICES_LOWER_BOUND, SLICES_UPPER_BOUND, DEFAULT_STACKS, PrimitiveVisual::Property::SLICES, "slices" );
 403     SetupMarks( 2, SLICES_LOWER_BOUND, SLICES_UPPER_BOUND );
 404     mSliders.at( 2 ).SetProperty( Slider::Property::VALUE_PRECISION, Property::Value( 0 ) );
 405
 406     //Set model in control.
 407     mModel.SetProperty( Control::Property::BACKGROUND, Property::Value( mVisualMap ) );
 408
 409     //Update title.
 410     mShapeTitle.SetProperty( TextLabel::Property::TEXT, SHAPE_TITLE_PREFIX + "Cone" );
 411   }
 412
 413   //Sets the 3D model to a conical frustum and modifies the sliders appropriately.
 414   void LoadConicalFrustum()
 415   {
 416     InitialiseSlidersAndModel();
 417
 418     //Set up specific visual properties.
 419     mVisualMap[ PrimitiveVisual::Property::SHAPE               ] = PrimitiveVisual::Shape::CONICAL_FRUSTUM;
 420     mVisualMap[ PrimitiveVisual::Property::SCALE_TOP_RADIUS    ] = DEFAULT_SCALE_TOP_RADIUS;
 421     mVisualMap[ PrimitiveVisual::Property::SCALE_BOTTOM_RADIUS ] = DEFAULT_SCALE_BOTTOM_RADIUS;
 422     mVisualMap[ PrimitiveVisual::Property::SCALE_HEIGHT        ] = DEFAULT_SCALE_HEIGHT;
 423     mVisualMap[ PrimitiveVisual::Property::SLICES              ] = DEFAULT_SLICES;
 424
 425     //Set up used sliders.
 426     SetupSlider( 0, 1.0f, 32.0f, DEFAULT_SCALE_HEIGHT, PrimitiveVisual::Property::SCALE_HEIGHT, "scaleHeight" );
 427     mSliders.at( 0 ).SetProperty( Slider::Property::VALUE_PRECISION, Property::Value( 1 ) );
 428
 429     SetupSlider( 1, 0.0f, 32.0f, DEFAULT_SCALE_BOTTOM_RADIUS, PrimitiveVisual::Property::SCALE_BOTTOM_RADIUS, "scaleBottomRadius" );
 430     mSliders.at( 1 ).SetProperty( Slider::Property::VALUE_PRECISION, Property::Value( 1 ) );
 431
 432     SetupSlider( 2, 0.0f, 32.0f, DEFAULT_SCALE_TOP_RADIUS, PrimitiveVisual::Property::SCALE_TOP_RADIUS, "scaleTopRadius" );
 433     mSliders.at( 2 ).SetProperty( Slider::Property::VALUE_PRECISION, Property::Value( 1 ) );
 434
 435     //Set model in control.
 436     mModel.SetProperty( Control::Property::BACKGROUND, Property::Value( mVisualMap ) );
 437
 438     //Update title.
 439     mShapeTitle.SetProperty( TextLabel::Property::TEXT, SHAPE_TITLE_PREFIX + "Conical Frustum" );
 440   }
 441
 442   //Sets the 3D model to a cylinder and modifies the sliders appropriately.
 443   void LoadCylinder()
 444   {
 445     InitialiseSlidersAndModel();
 446
 447     //Set up specific visual properties.
 448     mVisualMap[ PrimitiveVisual::Property::SHAPE        ] = PrimitiveVisual::Shape::CYLINDER;
 449     mVisualMap[ PrimitiveVisual::Property::SCALE_HEIGHT ] = DEFAULT_SCALE_HEIGHT;
 450     mVisualMap[ PrimitiveVisual::Property::SCALE_RADIUS ] = DEFAULT_SCALE_RADIUS;
 451     mVisualMap[ PrimitiveVisual::Property::SLICES       ] = DEFAULT_SLICES;
 452
 453     //Set up used sliders.
 454     SetupSlider( 0, 1.0f, 32.0f, DEFAULT_SCALE_HEIGHT, PrimitiveVisual::Property::SCALE_HEIGHT, "scaleHeight" );
 455     mSliders.at( 0 ).SetProperty( Slider::Property::VALUE_PRECISION, Property::Value( 1 ) );
 456
 457     SetupSlider( 1, 1.0f, 32.0f, DEFAULT_SCALE_RADIUS, PrimitiveVisual::Property::SCALE_RADIUS, "scaleRadius" );
 458     mSliders.at( 1 ).SetProperty( Slider::Property::VALUE_PRECISION, Property::Value( 1 ) );
 459
 460     SetupSlider( 2, SLICES_LOWER_BOUND, SLICES_UPPER_BOUND, DEFAULT_STACKS, PrimitiveVisual::Property::SLICES, "slices" );
 461     SetupMarks( 2 , SLICES_LOWER_BOUND, SLICES_UPPER_BOUND );
 462     mSliders.at( 2 ).SetProperty( Slider::Property::VALUE_PRECISION, Property::Value( 0 ) );
 463
 464     //Set model in control.
 465     mModel.SetProperty( Control::Property::BACKGROUND, Property::Value( mVisualMap ) );
 466
 467     //Update title.
 468     mShapeTitle.SetProperty( TextLabel::Property::TEXT, SHAPE_TITLE_PREFIX + "Cylinder" );
 469   }
 470
 471   //Sets the 3D model to a cube and modifies the sliders appropriately.
 472   void LoadCube()
 473   {
 474     InitialiseSlidersAndModel();
 475
 476     //Set up specific visual properties.
 477     mVisualMap[ PrimitiveVisual::Property::SHAPE ] = PrimitiveVisual::Shape::CUBE;
 478
 479     //Set model in control.
 480     mModel.SetProperty( Control::Property::BACKGROUND, Property::Value( mVisualMap ) );
 481
 482     //Update title.
 483     mShapeTitle.SetProperty( TextLabel::Property::TEXT, SHAPE_TITLE_PREFIX + "Cube" );
 484   }
 485
 486   //Sets the 3D model to a bevelled cube and modifies the sliders appropriately.
 487   void LoadBevelledCube()
 488   {
 489     InitialiseSlidersAndModel();
 490
 491     //Set up specific visual properties.
 492     mVisualMap[ PrimitiveVisual::Property::SHAPE            ] = PrimitiveVisual::Shape::BEVELLED_CUBE;
 493     mVisualMap[ PrimitiveVisual::Property::BEVEL_PERCENTAGE ] = DEFAULT_BEVEL_PERCENTAGE;
 494     mVisualMap[ PrimitiveVisual::Property::BEVEL_SMOOTHNESS ] = DEFAULT_BEVEL_SMOOTHNESS;
 495
 496     //Set up used sliders.
 497     SetupSlider( 0, 0.0f, 1.0f, DEFAULT_BEVEL_PERCENTAGE, PrimitiveVisual::Property::BEVEL_PERCENTAGE, "bevelPercentage" );
 498     mSliders.at( 0 ).SetProperty( Slider::Property::VALUE_PRECISION, Property::Value( 2 ) );
 499
 500     SetupSlider( 1, 0.0f, 1.0f, DEFAULT_BEVEL_SMOOTHNESS, PrimitiveVisual::Property::BEVEL_SMOOTHNESS, "bevelSmoothness" );
 501     mSliders.at( 1 ).SetProperty( Slider::Property::VALUE_PRECISION, Property::Value( 2 ) );
 502
 503     //Set model in control.
 504     mModel.SetProperty( Control::Property::BACKGROUND, Property::Value( mVisualMap ) );
 505
 506     //Update title.
 507     mShapeTitle.SetProperty( TextLabel::Property::TEXT, SHAPE_TITLE_PREFIX + "Bevelled Cube" );
 508   }
 509
 510   //Sets the 3D model to an octahedron and modifies the sliders appropriately.
 511   void LoadOctahedron()
 512   {
 513     InitialiseSlidersAndModel();
 514
 515     //Set up specific visual properties.
 516     mVisualMap[ PrimitiveVisual::Property::SHAPE ] = PrimitiveVisual::Shape::OCTAHEDRON;
 517
 518     //Set model in control.
 519     mModel.SetProperty( Control::Property::BACKGROUND, Property::Value( mVisualMap ) );
 520
 521     //Update title.
 522     mShapeTitle.SetProperty( TextLabel::Property::TEXT, SHAPE_TITLE_PREFIX + "Octahedron" );
 523   }
 524
 525   //Sets up the slider at the given index for the supplied property, and labels it appropriately.
 526   // visualProperty is the property that will be set by this slider.
 527   void SetupSlider( int sliderIndex, float lowerBound, float upperBound, float startPoint,
 528                     Property::Index visualProperty, std::string visualPropertyLabel )
 529   {
 530     //Set up the slider itself.
 531     mSliders.at( sliderIndex ).RegisterProperty( "visualProperty", Property::Value( visualProperty ), Property::READ_WRITE );
 532     mSliders.at( sliderIndex ).SetProperty( Slider::Property::LOWER_BOUND, Property::Value( lowerBound ) );
 533     mSliders.at( sliderIndex ).SetProperty( Slider::Property::UPPER_BOUND, Property::Value( upperBound ) );
 534     mSliders.at( sliderIndex ).SetProperty( Slider::Property::VALUE, Property::Value( startPoint ) );
 535     mSliders.at( sliderIndex ).SetProperty( Actor::Property::VISIBLE, true );
 536
 537     //Label the slider with the property.
 538     //We reset the TextLabel to force a relayout of the table.
 539     mSliderTable.RemoveChildAt( TableView::CellPosition(sliderIndex, 0) );
 540
 541     TextLabel sliderLabel = TextLabel::New( visualPropertyLabel );
 542     sliderLabel.SetProperty( Actor::Property::PARENT_ORIGIN, ParentOrigin::CENTER );
 543     sliderLabel.SetProperty( Actor::Property::ANCHOR_POINT, AnchorPoint::CENTER );
 544     sliderLabel.SetResizePolicy( ResizePolicy::USE_NATURAL_SIZE, Dimension::ALL_DIMENSIONS );
 545
 546     mSliderTable.AddChild( sliderLabel, TableView::CellPosition( sliderIndex, 0 ) );
 547     mSliderTable.SetCellAlignment( TableView::CellPosition( sliderIndex, 0 ), HorizontalAlignment::LEFT, VerticalAlignment::CENTER );
 548
 549     mSliderLabels.at( sliderIndex ).SetProperty( Actor::Property::VISIBLE, true );
 550     mSliderLabels.at( sliderIndex) = sliderLabel;
 551   }
 552
 553   //Setup snapping to integer values between the two given values.
 554   void SetupMarks( int sliderIndex, int lower, int upper )
 555   {
 556     Property::Array marks;
 557
 558     for( int mark = lower; mark <= upper; mark++ )
 559     {
 560       marks.PushBack( Property::Value( mark ) );
 561     }
 562
 563     mSliders.at( sliderIndex ).SetProperty( Slider::Property::MARKS, Property::Value( marks ) );
 564     mSliders.at( sliderIndex ).SetProperty( Slider::Property::SNAP_TO_MARKS, Property::Value( true ) );
 565   }
 566
 567   //When a shape button is tapped, switch to the corresponding shape.
 568   bool OnChangeShapeClicked( Button button )
 569   {
 570     //Get the model number from the button.
 571     int modelNumber;
 572     button.GetProperty( button.GetPropertyIndex( "modelNumber" ) ).Get( modelNumber );
 573
 574     //Switch to the shape that corresponds to the model number.
 575     switch( modelNumber )
 576     {
 577       case 0:
 578       {
 579         LoadSphere();
 580         break;
 581       }
 582       case 1:
 583       {
 584         LoadCone();
 585         break;
 586       }
 587       case 2:
 588       {
 589         LoadConicalFrustum();
 590         break;
 591       }
 592       case 3:
 593       {
 594         LoadCylinder();
 595         break;
 596       }
 597       case 4:
 598       {
 599         LoadCube();
 600         break;
 601       }
 602       case 5:
 603       {
 604         LoadBevelledCube();
 605         break;
 606       }
 607       case 6:
 608       {
 609         LoadOctahedron();
 610         break;
 611       }
 612     }
 613
 614     return true;
 615   }
 616
 617   //When the slider is adjusted, change the corresponding shape property accordingly.
 618   bool OnSliderValueChanged( Slider slider, float value )
 619   {
 620     //Update property map to reflect the change to the specific visual property.
 621     int visualProperty;
 622     slider.GetProperty( slider.GetPropertyIndex( "visualProperty" ) ).Get( visualProperty );
 623     mVisualMap[ visualProperty ] = value;
 624
 625     //Reload the model to display the change.
 626     mModel.SetProperty( Control::Property::BACKGROUND, Property::Value( mVisualMap ) );
 627
 628     return true;
 629   }
 630
 631   //Panning around the shape rotates it.
 632   void OnPan( Actor actor, const PanGesture& gesture )
 633   {
 634     switch( gesture.GetState() )
 635     {
 636       case Gesture::Started:
 637       {
 638         //Pause animation, as the gesture will be used to manually rotate the model
 639         mRotationAnimation.Pause();
 640
 641         break;
 642       }
 643       case Gesture::Continuing:
 644       {
 645         //Rotate based off the gesture.
 646         const Vector2& displacement = gesture.GetDisplacement();
 647         mRotation.x -= displacement.y / X_ROTATION_DISPLACEMENT_FACTOR; // Y displacement rotates around X axis
 648         mRotation.y += displacement.x / Y_ROTATION_DISPLACEMENT_FACTOR; // X displacement rotates around Y axis
 649         Quaternion rotation = Quaternion( Radian( mRotation.x ), Vector3::XAXIS) *
 650                               Quaternion( Radian( mRotation.y ), Vector3::YAXIS);
 651
 652         mModel.SetProperty( Actor::Property::ORIENTATION, rotation );
 653
 654         break;
 655       }
 656       case Gesture::Finished:
 657       {
 658         //Return to automatic animation
 659         mRotationAnimation.Play();
 660
 661         break;
 662       }
 663       case Gesture::Cancelled:
 664       {
 665         //Return to automatic animation
 666         mRotationAnimation.Play();
 667
 668         break;
 669       }
 670       default:
 671       {
 672         break;
 673       }
 674     }
 675   }
 676
 677   //If escape or the back button is pressed, quit the application (and return to the launcher)
 678   void OnKeyEvent( const KeyEvent& event )
 679   {
 680     if( event.GetState() == KeyEvent::DOWN )
 681     {
 682       if( IsKey( event, DALI_KEY_ESCAPE) || IsKey( event, DALI_KEY_BACK ) )
 683       {
 684         mApplication.Quit();
 685       }
 686     }
 687   }
 688
 689 private:
 690   Application& mApplication;
 691
 692   std::vector<Slider>       mSliders;               ///< Holds the sliders on screen that each shape accesses.
 693   std::vector<TextLabel>    mSliderLabels;          ///< Holds the labels to each slider.
 694   TableView                 mSliderTable;           ///< A table to layout the sliders next to their labels.
 695
 696   Property::Map             mVisualMap;             ///< Property map to create a primitive visual.
 697   Control                   mModel;                 ///< Control to house the primitive visual.
 698   TextLabel                 mShapeTitle;            ///< Indicates what the currently selected shape is.
 699
 700   PanGestureDetector        mPanGestureDetector;    ///< Detects pan gestures for rotation of the model.
 701   Animation                 mRotationAnimation;     ///< Automatically rotates the model, unless it is being panned.
 702
 703   Vector4                   mColor;                 ///< Color to set all shapes.
 704   Vector2                   mRotation;              ///< Keeps track of model rotation.
 705 };
 706
 707 int DALI_EXPORT_API main( int argc, char **argv )
 708 {
 709   Application application = Application::New( &argc, &argv );
 710   PrimitiveShapesController test( application );
 711   application.MainLoop();
 712   return 0;
 713 }