plugins/dali-swig/examples/image-view.cs

   1 /*
   2 * Copyright (c) 2016 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 using System;
  19 using System.Runtime.InteropServices;
  20 using Dali;
  21 using Dali.Constants;
  22
  23 namespace ImageViewExample
  24 {
  25
  26   class Example
  27   {
  28     public static void Log(string str)
  29     {
  30       Console.WriteLine("[DALI C# SAMPLE] " + str);
  31     }
  32
  33     private Dali.Application _application;
  34     private Animation _animation;
  35     private ImageView _imageView;
  36     private bool _isAniFinised = true;
  37     private Layer layer, _layer1, _layer2;
  38     private PushButton _pushButton1, _pushButton2;
  39     private Stage stage;
  40
  41     public Example(Dali.Application application)
  42     {
  43       _application = application;
  44       _application.Initialized += Initialize;
  45     }
  46
  47     public void Initialize(object source, NUIApplicationInitEventArgs e)
  48     {
  49       Log("Customized Application Initialize event handler");
  50       stage = Stage.Instance;
  51       stage.BackgroundColor = Color.Cyan;
  52       stage.Touch += OnStageTouched;
  53       stage.Wheel += OnStageWheelMoved;
  54       stage.Key += OnStageKeyPressed;
  55       //stage.EventProcessingFinished += OnStageEventProcessingFinished;
  56
  57       layer = stage.GetDefaultLayer();
  58       _layer1 = new Layer();
  59       _layer2 = new Layer();
  60       stage.AddLayer(_layer1);
  61       stage.AddLayer(_layer2);
  62       Log("_layer1.Behavior =" + _layer1.Behavior );
  63       if( _layer1.Behavior == Layer.LayerBehavior.LAYER_UI )
  64       {
  65         _layer1.Behavior = Layer.LayerBehavior.LAYER_2D;
  66         Log("again _layer1.Behavior =" + _layer1.Behavior );
  67       }
  68       // Add a ImageView to the stage
  69       _imageView = new ImageView();
  70       _imageView.ResourceUrl = "./images/gallery-3.jpg";
  71       _imageView.ParentOrigin = ParentOrigin.Center;
  72       _imageView.AnchorPoint = AnchorPoint.Center;
  73       _imageView.PixelArea = new Vector4(0.0f, 0.0f, 0.5f, 0.5f);
  74       //_imageView.SetResizePolicy(ResizePolicyType.USE_NATURAL_SIZE, DimensionType.ALL_DIMENSIONS);
  75       layer.Add(_imageView);
  76
  77       _pushButton1 = new PushButton();
  78       _pushButton1.ParentOrigin = ParentOrigin.BottomLeft;
  79       _pushButton1.AnchorPoint = AnchorPoint.BottomLeft;
  80       _pushButton1.LabelText = "start animation";
  81       _pushButton1.Position = new Vector3(0.0f, stage.Size.Height * 0.1f, 0.0f);
  82       _pushButton1.Clicked += OnPushButtonClicked1;
  83       _layer1.Add(_pushButton1);
  84
  85       _pushButton2 = new PushButton();
  86       _pushButton2.ParentOrigin = ParentOrigin.BottomLeft;
  87       _pushButton2.AnchorPoint = AnchorPoint.BottomLeft;
  88       _pushButton2.LabelText = "reload image with same URL";
  89       _pushButton2.Position = new Vector3(0.0f, stage.Size.Height * 0.2f, 0.0f);
  90       _pushButton2.Clicked += OnPushButtonClicked2;
  91       _layer2.Add(_pushButton2);
  92
  93     }
  94
  95     public bool OnPushButtonClicked2(object sender, Button.ClickedEventArgs e)
  96     {
  97       if( _imageView )
  98       {
  99         Log("OnPushButtonClicked2()!");
 100         layer.Remove(_imageView);
 101         _imageView = new ImageView();
 102         _imageView.ResourceUrl = "./images/gallery-3.jpg";
 103         _imageView.ParentOrigin = ParentOrigin.Center;
 104         _imageView.AnchorPoint = AnchorPoint.Center;
 105         _imageView.PixelArea = new Vector4(0.0f, 0.0f, 0.5f, 0.5f);
 106         //_imageView.SetResizePolicy(ResizePolicyType.USE_NATURAL_SIZE, DimensionType.ALL_DIMENSIONS);
 107         layer.Add(_imageView);
 108       }
 109
 110       return true;
 111     }
 112
 113
 114     public bool OnPushButtonClicked1(object sender, Button.ClickedEventArgs e)
 115     {
 116       if( _isAniFinised == true )
 117       {
 118         _isAniFinised = false;
 119         Log("OnPushButtonClicked1()!");
 120
 121         // Create a new _animation
 122         if( _animation )
 123         {
 124           //_animation.Stop(Dali.Constants.Animation.EndAction.Stop);
 125           _animation.Reset();
 126         }
 127
 128         _animation = new Animation();
 129         _animation.StartTime = 0;
 130         _animation.EndTime = 1000;
 131         _animation.TargetProperty = "PixelArea";
 132         _animation.Destination = new Vector4(0.5f, 0.0f, 0.5f, 0.5f);
 133         _animation.AnimateTo(_imageView);
 134
 135         _animation.StartTime = 1000;
 136         _animation.EndTime = 2000;
 137         _animation.TargetProperty = "PixelArea";
 138         _animation.Destination = new Vector4(0.5f, 0.5f, 0.5f, 0.5f);
 139         _animation.AnimateTo(_imageView);
 140
 141         _animation.StartTime = 2000;
 142         _animation.EndTime = 3000;
 143         _animation.TargetProperty = "PixelArea";
 144         _animation.Destination = new Vector4(0.0f, 0.0f, 1.0f, 1.0f);
 145         _animation.AnimateTo(_imageView);
 146
 147         _animation.StartTime = 3000;
 148         _animation.EndTime = 4000;
 149         _animation.TargetProperty = "PixelArea";
 150         _animation.Destination = new Vector4(0.5f, 0.5f, 0.5f, 0.5f);
 151         _animation.AnimateTo(_imageView);
 152
 153         _animation.StartTime = 4000;
 154         _animation.EndTime = 6000;
 155         _animation.TargetProperty = "Size";
 156         KeyFrames _keyFrames = new KeyFrames();
 157         _keyFrames.Add(0.0f, new Size3D(0.0f, 0.0f, 0.0f) );
 158         _keyFrames.Add(0.3f, new Size3D( (stage.Size * 0.7f) ) );
 159         _keyFrames.Add(1.0f, new Size3D( stage.Size ) );
 160         _animation.AnimateBetween(_imageView, _keyFrames, Animation.Interpolation.Linear);
 161
 162         _animation.EndAction = Animation.EndActions.Discard;
 163
 164         // Connect the signal callback for animaiton finished signal
 165         _animation.Finished += AnimationFinished;
 166         _animation.Finished += AnimationFinished2;
 167
 168         // Play the _animation
 169         _animation.Play();
 170       }
 171
 172       return true;
 173     }
 174
 175     // Callback for _animation finished signal handling
 176     public void AnimationFinished(object sender, EventArgs e)
 177     {
 178         Log("AnimationFinished()!");
 179     }
 180
 181     // Callback for second _animation finished signal handling
 182     public void AnimationFinished2(object sender, EventArgs e)
 183     {
 184       Log("AnimationFinished2()!");
 185       if(_animation)
 186       {
 187         Log("Duration= " + _animation.Duration);
 188         Log("EndAction= " + _animation.EndAction);
 189         _isAniFinised = true;
 190       }
 191     }
 192
 193     public void OnStageEventProcessingFinished(object sender, EventArgs e)
 194     {
 195       Log("OnStageEventProcessingFinished()!");
 196       if( e != null)
 197       {
 198         Log("e != null !");
 199       }
 200     }
 201
 202     public void OnStageKeyPressed(object sender, Stage.KeyEventArgs e)
 203     {
 204       Log("OnStageKeyEventOccured()!");
 205       Log("keyPressedName=" + e.Key.KeyPressedName);
 206       Log("state=" + e.Key.State);
 207     }
 208
 209     public void OnStageWheelMoved(object sender, Stage.WheelEventArgs e)
 210     {
 211       Log("OnStageWheelEventOccured()!");
 212       Log("direction=" + e.Wheel.Direction);
 213       Log("type=" + e.Wheel.Type);
 214     }
 215
 216     // Callback for stage touched signal handling
 217     public void OnStageTouched(object sender, Stage.TouchEventArgs e)
 218     {
 219       Log("OnStageTouched()! e.TouchData.GetState(0)=" + e.Touch.GetState(0));
 220     }
 221
 222     public void MainLoop()
 223     {
 224       _application.MainLoop ();
 225     }
 226
 227     /// <summary>
 228     /// The main entry point for the application.
 229     /// </summary>
 230     [STAThread]
 231     static void Main(string[] args)
 232     {
 233       Log("Main() called!");
 234
 235       Example example = new Example(Application.NewApplication());
 236       example.MainLoop ();
 237     }
 238   }
 239 }