NUISamples/NUISamples/NUISamples.TizenTV/examples/user-alphafunction.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 Tizen.NUI;
  21 using Tizen.NUI.UIComponents;
  22 using Tizen.NUI.Constants;
  23
  24 namespace UserAlphaFunctionTest
  25 {
  26     class Example : NUIApplication
  27     {
  28         private Animation _animation;
  29         private TextLabel _text;
  30         private View _view1, _view2, _view3;
  31         private UserAlphaFunctionDelegate _user_alpha_func;
  32         private int myCount;
  33
  34         public static void Log(string str)
  35         {
  36             Tizen.Log.Debug("NUI", "[DALI C# SAMPLE] " + str);
  37         }
  38
  39         public Example() : base()
  40         {
  41         }
  42
  43         public Example(string stylesheet) : base(stylesheet)
  44         {
  45         }
  46
  47         public Example(string stylesheet, WindowMode windowMode) : base(stylesheet, windowMode)
  48         {
  49         }
  50
  51         protected override void OnCreate()
  52         {
  53             base.OnCreate();
  54             Initialize();
  55         }
  56
  57         // Declare user alpha function delegate
  58         [UnmanagedFunctionPointer(CallingConvention.StdCall)]
  59         delegate float UserAlphaFunctionDelegate(float progress);
  60
  61         public void Initialize()
  62         {
  63             Log("Initialize() is called!");
  64             Stage stage = Stage.Instance;
  65             stage.BackgroundColor = Color.White;
  66             stage.Touch += OnStageTouched;
  67             stage.Touch += OnStageTouched2;
  68             //stage.EventProcessingFinished += OnEventProcessingFinished;
  69             stage.Wheel += OnStageWheelEvent;
  70
  71             // Add a _text label to the stage
  72             _text = new TextLabel("Hello Mono World");
  73             _text.ParentOrigin = ParentOrigin.BottomCenter;
  74             _text.AnchorPoint = AnchorPoint.BottomCenter;
  75             _text.HorizontalAlignment = HorizontalAlignment.Center;
  76             _text.PointSize = 32.0f;
  77             stage.GetDefaultLayer().Add(_text);
  78
  79             _view1 = new View();
  80             _view1.Size = new Vector3(200.0f, 200.0f, 0.0f);
  81             _view1.BackgroundColor = Color.Green;
  82             _view1.ParentOrigin = ParentOrigin.Center;
  83             _view1.AnchorPoint = AnchorPoint.Center;
  84             _view1.WidthResizePolicy = ResizePolicyType.Fixed;
  85             _view1.HeightResizePolicy = ResizePolicyType.Fixed;
  86             _view1.OnStageEvent += OnStage;
  87             stage.GetDefaultLayer().Add(_view1);
  88
  89             _view2 = new View();
  90             _view2.BackgroundColor = Color.Red;
  91             _view2.Size = new Vector3(50.0f, 50.0f, 0.0f);
  92             _view2.ParentOrigin = ParentOrigin.TopLeft;
  93             _view2.AnchorPoint = AnchorPoint.TopLeft;
  94             _view2.WidthResizePolicy = ResizePolicyType.Fixed;
  95             _view2.HeightResizePolicy = ResizePolicyType.Fixed;
  96             _view1.Add(_view2);
  97
  98             _view3 = new View();
  99             _view3.BackgroundColor = Color.Blue;
 100             _view3.Size = new Vector3(50.0f, 50.0f, 0.0f);
 101             _view3.ParentOrigin = ParentOrigin.TopLeft;
 102             _view3.AnchorPoint = AnchorPoint.TopLeft;
 103             _view3.WidthResizePolicy = ResizePolicyType.Fixed;
 104             _view3.HeightResizePolicy = ResizePolicyType.Fixed;
 105             _view1.Add(_view3);
 106
 107             _user_alpha_func = new UserAlphaFunctionDelegate(body);
 108
 109             MyAnimating();
 110         }
 111
 112         // User defines alpha function as custom alpha function
 113         // Important Notification : when this custom alpha-function is implemented,
 114         // the other function call nor other data excess is prevented.
 115         // this method must be implemented to calculate the values of input and output purely.
 116         // unless, this will cause application crash.
 117         float body(float progress)
 118         {
 119             if (progress > 0.2f && progress < 0.7f)
 120             {
 121                 return progress + 0.8f;
 122             }
 123             return progress;
 124         }
 125
 126         // Callback for _animation finished signal handling
 127         public void AnimationFinished(object sender, EventArgs e)
 128         {
 129             Log("AnimationFinished() is called!");
 130             myCount = 0;
 131         }
 132
 133         public void MyAnimating()
 134         {
 135             // Create a new _animation
 136             if (_animation)
 137             {
 138                 _animation.Clear();
 139                 _animation.Reset();
 140             }
 141
 142             _animation = new Animation(10000); // 10000 milli-second of duration
 143             _animation.AnimateTo(_view2, "Position", new Vector3(150.0f, 150.0f, 0.0f), 5000, 10000, new AlphaFunction(_user_alpha_func));
 144             // Connect the signal callback for animaiton finished signal
 145             _animation.Finished += AnimationFinished;
 146             _animation.EndAction = Animation.EndActions.Discard;
 147             // Play the _animation
 148             _animation.Play();
 149         }
 150
 151         // Callback for stage touched signal handling
 152         public void OnStageTouched(object source, Stage.TouchEventArgs e)
 153         {
 154             // Only animate the _text label when touch down happens
 155             if (e.Touch.GetState(0) == PointStateType.Down)
 156             {
 157                 Log("OnStageTouched() is called! PointStateType.DOWN came!");
 158                 myCount++;
 159                 if (myCount > 1)
 160                 {
 161                     _animation.Stop();
 162                     Log("_animation.Stop() is called!");
 163                 }
 164             }
 165         }
 166
 167         // Callback for stage touched signal handling
 168         public void OnStageTouched2(object source, Stage.TouchEventArgs e)
 169         {
 170             Log("OnStageTouched2() is called!state=" + e.Touch.GetState(0));
 171         }
 172
 173         public void OnEventProcessingFinished(object source)
 174         {
 175             Log("OnEventProcessingFinished() is called!");
 176         }
 177
 178         public void OnStageWheelEvent(object source, Stage.WheelEventArgs e)
 179         {
 180             Log("OnStageWheelEvent() is called!");
 181             //Log("OnStageWheelEvent() is called!direction="+ e.WheelEvent.direction + " timeStamp=" + e.WheelEvent.timeStamp );
 182         }
 183
 184
 185         public void OnStage(object source, EventArgs e)
 186         {
 187             Log("OnStage() is called!");
 188         }
 189
 190         [STAThread]
 191         static void _Main(string[] args)
 192         {
 193             Log("Main() is called!");
 194
 195             Example example = new Example();
 196             example.Run(args);
 197
 198             Log("After MainLoop()");
 199         }
 200     }
 201 }
 202