plugins/dali-swig/examples/hello-world.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
  22 namespace MyCSharpExample
  23 {
  24     class Example
  25     {
  26         [UnmanagedFunctionPointer(CallingConvention.StdCall)]
  27         delegate void CallbackDelegate(IntPtr data);
  28
  29         [UnmanagedFunctionPointer(CallingConvention.StdCall)]
  30         delegate void TouchCallbackDelegate(IntPtr data);
  31
  32         [UnmanagedFunctionPointer(CallingConvention.StdCall)]
  33         delegate void AnimationCallbackDelegate(IntPtr data);
  34
  35         private Dali.Application _application;
  36
  37         private Animation _animation;
  38         private TextLabel _text;
  39
  40         public Example(Dali.Application application)
  41         {
  42             _application = application;
  43
  44             CallbackDelegate initializeCallback = new CallbackDelegate( Initialize );
  45             _application.InitSignal().Connect( initializeCallback );
  46         }
  47
  48         private void Initialize(IntPtr appPtr)
  49         {
  50             Stage stage = Stage.GetCurrent();
  51             stage.SetBackgroundColor( NDalic.WHITE );
  52
  53             // Connect the signal callback for stage touched signal
  54             TouchCallbackDelegate stageTouchedCallback = new TouchCallbackDelegate( OnStageTouched );
  55             stage.TouchSignal().Connect( stageTouchedCallback );
  56
  57             // Add a _text label to the stage
  58             _text = new TextLabel("Hello Mono World");
  59             _text.ParentOrigin = NDalic.ParentOriginCenter;
  60             _text.AnchorPoint = NDalic.AnchorPointCenter;
  61             _text.HorizontalAlignment = "CENTER";
  62             _text.PointSize = 32.0f;
  63
  64             stage.Add(_text);
  65         }
  66
  67         // Callback for _animation finished signal handling
  68         private void AnimationFinished(IntPtr data)
  69         {
  70             Animation _animation = Animation.GetAnimationFromPtr( data );
  71             Console.WriteLine("Animation finished: duration = " + _animation.GetDuration());
  72         }
  73
  74         // Callback for stage touched signal handling
  75         private void OnStageTouched(IntPtr data)
  76         {
  77             TouchData touchData = TouchData.GetTouchDataFromPtr( data );
  78
  79             // Only animate the _text label when touch down happens
  80             if( touchData.GetState(0) == PointStateType.DOWN )
  81             {
  82                 // Create a new _animation
  83                 if( _animation )
  84                 {
  85                     _animation.Reset();
  86                 }
  87
  88                 _animation = new Animation(1.0f); // 1 second of duration
  89
  90                 _animation.AnimateTo(new Property(_text, Actor.Property.ORIENTATION), new Property.Value(new Quaternion( new Radian( new Degree( 180.0f ) ), Vector3.XAXIS )), new AlphaFunction(AlphaFunction.BuiltinFunction.LINEAR), new TimePeriod(0.0f, 0.5f));
  91                 _animation.AnimateTo(new Property(_text, Actor.Property.ORIENTATION), new Property.Value(new Quaternion( new Radian( new Degree( 0.0f ) ), Vector3.XAXIS )), new AlphaFunction(AlphaFunction.BuiltinFunction.LINEAR), new TimePeriod(0.5f, 0.5f));
  92
  93                 // Connect the signal callback for animaiton finished signal
  94                 AnimationCallbackDelegate animFinishedDelegate = new AnimationCallbackDelegate( AnimationFinished );
  95                 _animation.FinishedSignal().Connect( animFinishedDelegate );
  96
  97                 // Play the _animation
  98                 _animation.Play();
  99             }
 100         }
 101
 102         public void MainLoop()
 103         {
 104             _application.MainLoop ();
 105         }
 106
 107         /// <summary>
 108         /// The main entry point for the application.
 109         /// </summary>
 110
 111         [STAThread]
 112         static void Main(string[] args)
 113         {
 114             Console.WriteLine ("Hello Mono World");
 115
 116             Example example = new Example(Application.NewApplication());
 117             example.MainLoop ();
 118         }
 119     }
 120 }