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

   1 /** Copyright (c) 2017 Samsung Electronics Co., Ltd.
   2 *
   3 * Licensed under the Apache License, Version 2.0 (the "License");
   4 * you may not use this file except in compliance with the License.
   5 * You may obtain a copy of the License at
   6 *
   7 * http://www.apache.org/licenses/LICENSE-2.0
   8 *
   9 * Unless required by applicable law or agreed to in writing, software
  10 * distributed under the License is distributed on an "AS IS" BASIS,
  11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  12 * See the License for the specific language governing permissions and
  13 * limitations under the License.
  14 *
  15 */
  16
  17 using System;
  18 using System.Runtime.InteropServices;
  19 using Dali;
  20 using Dali.Constants;
  21
  22 namespace ImageViewExample
  23 {
  24
  25     class Example
  26     {
  27         public static void Log(string str)
  28         {
  29             Console.WriteLine("[DALI C# SAMPLE] " + str);
  30         }
  31
  32         private Dali.Application _application;
  33         private Animation _animation;
  34         private ImageView _imageView;
  35         private bool _isAniFinised = true;
  36         private Layer layer, _layer1, _layer2;
  37         private PushButton _pushButton1, _pushButton2;
  38         private Stage stage;
  39
  40         public Example(Dali.Application application)
  41         {
  42             _application = application;
  43             _application.Initialized += Initialize;
  44         }
  45
  46         public void Initialize(object source, NUIApplicationInitEventArgs e)
  47         {
  48             Log("Customized Application Initialize event handler");
  49             stage = Stage.Instance;
  50             stage.BackgroundColor = Color.Cyan;
  51             stage.Touch += OnStageTouched;
  52             stage.Wheel += OnStageWheelMoved;
  53             stage.Key += OnStageKeyPressed;
  54             //stage.EventProcessingFinished += OnStageEventProcessingFinished;
  55
  56             layer = stage.GetDefaultLayer();
  57             _layer1 = new Layer();
  58             _layer2 = new Layer();
  59             stage.AddLayer(_layer1);
  60             stage.AddLayer(_layer2);
  61             Log("_layer1.Behavior =" + _layer1.Behavior);
  62             if (_layer1.Behavior == Layer.LayerBehavior.LAYER_UI)
  63             {
  64                 _layer1.Behavior = Layer.LayerBehavior.LAYER_2D;
  65                 Log("again _layer1.Behavior =" + _layer1.Behavior);
  66             }
  67             // Add a ImageView to the stage
  68             _imageView = new ImageView();
  69             _imageView.ResourceUrl = "./images/gallery-3.jpg";
  70             _imageView.ParentOrigin = ParentOrigin.Center;
  71             _imageView.AnchorPoint = AnchorPoint.Center;
  72             _imageView.PixelArea = new Vector4(0.0f, 0.0f, 0.5f, 0.5f);
  73             //_imageView.SetResizePolicy(ResizePolicyType.USE_NATURAL_SIZE, DimensionType.ALL_DIMENSIONS);
  74             layer.Add(_imageView);
  75
  76             _pushButton1 = new PushButton();
  77             _pushButton1.ParentOrigin = ParentOrigin.BottomLeft;
  78             _pushButton1.AnchorPoint = AnchorPoint.BottomLeft;
  79             _pushButton1.LabelText = "start animation";
  80             _pushButton1.Position = new Vector3(0.0f, stage.Size.Height * 0.1f, 0.0f);
  81             _pushButton1.Clicked += OnPushButtonClicked1;
  82             _layer1.Add(_pushButton1);
  83
  84             _pushButton2 = new PushButton();
  85             _pushButton2.ParentOrigin = ParentOrigin.BottomLeft;
  86             _pushButton2.AnchorPoint = AnchorPoint.BottomLeft;
  87             _pushButton2.LabelText = "reload image with same URL";
  88             _pushButton2.Position = new Vector3(0.0f, stage.Size.Height * 0.2f, 0.0f);
  89             _pushButton2.Clicked += OnPushButtonClicked2;
  90             _layer2.Add(_pushButton2);
  91
  92         }
  93
  94         public bool OnPushButtonClicked2(object sender, Button.ClickedEventArgs e)
  95         {
  96             if (_imageView)
  97             {
  98                 Log("OnPushButtonClicked2()!");
  99                 layer.Remove(_imageView);
 100                 _imageView = new ImageView();
 101                 _imageView.ResourceUrl = "./images/gallery-3.jpg";
 102                 _imageView.ParentOrigin = ParentOrigin.Center;
 103                 _imageView.AnchorPoint = AnchorPoint.Center;
 104                 _imageView.PixelArea = new Vector4(0.0f, 0.0f, 0.5f, 0.5f);
 105                 //_imageView.SetResizePolicy(ResizePolicyType.USE_NATURAL_SIZE, DimensionType.ALL_DIMENSIONS);
 106                 layer.Add(_imageView);
 107             }
 108
 109             return true;
 110         }
 111
 112
 113         public bool OnPushButtonClicked1(object sender, Button.ClickedEventArgs e)
 114         {
 115             if (_isAniFinised == true)
 116             {
 117                 _isAniFinised = false;
 118                 Log("OnPushButtonClicked1()!");
 119
 120                 // Create a new _animation
 121                 if (_animation)
 122                 {
 123                     //_animation.Stop(Dali.Constants.Animation.EndAction.Stop);
 124                     _animation.Reset();
 125                 }
 126
 127                 _animation = new Animation();
 128                 _animation.StartTime = 0;
 129                 _animation.EndTime = 1000;
 130                 _animation.TargetProperty = "PixelArea";
 131                 _animation.Destination = new Vector4(0.5f, 0.0f, 0.5f, 0.5f);
 132                 _animation.AnimateTo(_imageView);
 133
 134                 _animation.StartTime = 1000;
 135                 _animation.EndTime = 2000;
 136                 _animation.TargetProperty = "PixelArea";
 137                 _animation.Destination = new Vector4(0.5f, 0.5f, 0.5f, 0.5f);
 138                 _animation.AnimateTo(_imageView);
 139
 140                 _animation.StartTime = 2000;
 141                 _animation.EndTime = 3000;
 142                 _animation.TargetProperty = "PixelArea";
 143                 _animation.Destination = new Vector4(0.0f, 0.0f, 1.0f, 1.0f);
 144                 _animation.AnimateTo(_imageView);
 145
 146                 _animation.StartTime = 3000;
 147                 _animation.EndTime = 4000;
 148                 _animation.TargetProperty = "PixelArea";
 149                 _animation.Destination = new Vector4(0.5f, 0.5f, 0.5f, 0.5f);
 150                 _animation.AnimateTo(_imageView);
 151
 152                 _animation.StartTime = 4000;
 153                 _animation.EndTime = 6000;
 154                 _animation.TargetProperty = "Size";
 155                 KeyFrames _keyFrames = new KeyFrames();
 156                 _keyFrames.Add(0.0f, new Size(0.0f, 0.0f, 0.0f));
 157                 _keyFrames.Add(0.3f, new Size((stage.Size * 0.7f)));
 158                 _keyFrames.Add(1.0f, new Size(stage.Size));
 159                 _animation.AnimateBetween(_imageView, _keyFrames, Animation.Interpolation.Linear);
 160
 161                 _animation.EndAction = Animation.EndActions.Discard;
 162
 163                 // Connect the signal callback for animaiton finished signal
 164                 _animation.Finished += AnimationFinished;
 165                 _animation.Finished += AnimationFinished2;
 166
 167                 // Play the _animation
 168                 _animation.Play();
 169             }
 170
 171             return true;
 172         }
 173
 174         // Callback for _animation finished signal handling
 175         public void AnimationFinished(object sender, EventArgs e)
 176         {
 177             Log("AnimationFinished()!");
 178         }
 179
 180         // Callback for second _animation finished signal handling
 181         public void AnimationFinished2(object sender, EventArgs e)
 182         {
 183             Log("AnimationFinished2()!");
 184             if (_animation)
 185             {
 186                 Log("Duration= " + _animation.Duration);
 187                 Log("EndAction= " + _animation.EndAction);
 188                 _isAniFinised = true;
 189             }
 190         }
 191
 192         public void OnStageEventProcessingFinished(object sender, EventArgs e)
 193         {
 194             Log("OnStageEventProcessingFinished()!");
 195             if (e != null)
 196             {
 197                 Log("e != null !");
 198             }
 199         }
 200
 201         public void OnStageKeyPressed(object sender, Stage.KeyEventArgs e)
 202         {
 203             Log("OnStageKeyEventOccured()!");
 204             Log("keyPressedName=" + e.Key.KeyPressedName);
 205             Log("state=" + e.Key.State);
 206         }
 207
 208         public void OnStageWheelMoved(object sender, Stage.WheelEventArgs e)
 209         {
 210             Log("OnStageWheelEventOccured()!");
 211             Log("direction=" + e.Wheel.Direction);
 212             Log("type=" + e.Wheel.Type);
 213         }
 214
 215         // Callback for stage touched signal handling
 216         public void OnStageTouched(object sender, Stage.TouchEventArgs e)
 217         {
 218             Log("OnStageTouched()! e.TouchData.GetState(0)=" + e.Touch.GetState(0));
 219         }
 220
 221         public void MainLoop()
 222         {
 223             _application.MainLoop();
 224         }
 225
 226         /// <summary>
 227         /// The main entry point for the application.
 228         /// </summary>
 229         [STAThread]
 230         static void Main(string[] args)
 231         {
 232             Log("Main() called!");
 233
 234             Example example = new Example(Application.NewApplication());
 235             example.MainLoop();
 236         }
 237     }
 238 }
 239