automated-tests/src/dali/utc-Dali-Constrainer.cpp

   1 /*
   2  * Copyright (c) 2014 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 <iostream>
  19
  20 #include <stdlib.h>
  21 #include <dali/public-api/dali-core.h>
  22 #include <dali/devel-api/animation/path-constrainer.h>
  23 #include <dali-test-suite-utils.h>
  24
  25 using namespace Dali;
  26 using namespace Dali::Internal;
  27
  28 namespace
  29 {
  30 static void SetupLinearConstrainerUniformProgress( Dali::LinearConstrainer& linearConstrainer)
  31 {
  32   Dali::Property::Array points;
  33   points.Resize(3);
  34   points[0] = 0.0f;
  35   points[1] = 1.0f;
  36   points[2] = 0.0f;
  37   linearConstrainer.SetProperty( Dali::LinearConstrainer::Property::VALUE, points );
  38 }
  39
  40 static void SetupLinearConstrainerNonUniformProgress( Dali::LinearConstrainer& linearConstrainer)
  41 {
  42   Dali::Property::Array points;
  43   points.Resize(3);
  44   points[0] = 0.0f;
  45   points[1] = 1.0f;
  46   points[2] = 0.0f;
  47   linearConstrainer.SetProperty( Dali::LinearConstrainer::Property::VALUE, points );
  48
  49   points[0] = 0.0f;
  50   points[1] = 0.25f;
  51   points[2] = 1.0f;
  52   linearConstrainer.SetProperty( Dali::LinearConstrainer::Property::PROGRESS, points );
  53 }
  54
  55 } // anonymous namespace
  56
  57 int UtcLinearConstrainerApply(void)
  58 {
  59   TestApplication application;
  60
  61   Dali::Actor actor = Dali::Actor::New();
  62
  63   // Register a float property
  64   Property::Index index = actor.RegisterProperty( "t", 0.0f );
  65
  66   Dali::Stage::GetCurrent().Add(actor);
  67
  68
  69   //Create a LinearConstrainer without specifying progress for values
  70   Dali::LinearConstrainer linearConstrainer = Dali::LinearConstrainer::New();
  71   SetupLinearConstrainerUniformProgress( linearConstrainer );
  72
  73   //Apply the linear constraint to the actor's position. The source property for the constraint will be the custom property "t"
  74   Vector2 range( 0.0f, 1.0f );
  75   linearConstrainer.Apply( Property(actor,Dali::Actor::Property::POSITION_X), Property(actor,index), range );
  76
  77   //Create an animation to animate the custom property
  78   float durationSeconds(1.0f);
  79   Dali::Animation animation = Dali::Animation::New(durationSeconds);
  80   animation.AnimateTo(Dali::Property(actor,index),1.0f);
  81   animation.Play();
  82
  83   application.SendNotification();
  84   application.Render(static_cast<unsigned int>(durationSeconds*250.0f)/* 25% progress */);
  85
  86   DALI_TEST_EQUALS( actor.GetCurrentPosition().x, 0.5f, TEST_LOCATION );
  87
  88   application.SendNotification();
  89   application.Render(static_cast<unsigned int>(durationSeconds*250.0f)/* 50% progress */);
  90   DALI_TEST_EQUALS( actor.GetCurrentPosition().x, 1.0f, TEST_LOCATION );
  91
  92   application.SendNotification();
  93   application.Render(static_cast<unsigned int>(durationSeconds*250.0f)/* 75% progress */);
  94   DALI_TEST_EQUALS( actor.GetCurrentPosition().x, 0.5f, TEST_LOCATION );
  95
  96   application.SendNotification();
  97   application.Render(static_cast<unsigned int>(durationSeconds*250.0f)/* 100% progress */);
  98   DALI_TEST_EQUALS( actor.GetCurrentPosition().x, 0.0f, TEST_LOCATION );
  99
 100   application.SendNotification();
 101   application.Render(static_cast<unsigned int>(durationSeconds*250.0f)/* beyond the animation duration*/);
 102   DALI_TEST_EQUALS( actor.GetCurrentPosition().x, 0.0f, TEST_LOCATION );
 103
 104   //Setup a LinearConstrainer specifying the progress for each value
 105   linearConstrainer.Remove(actor);
 106   SetupLinearConstrainerNonUniformProgress( linearConstrainer );
 107   linearConstrainer.Apply( Property(actor,Dali::Actor::Property::POSITION_X), Property(actor,index), range );
 108
 109   actor.SetProperty(index,0.0f);
 110   animation.Play();
 111   application.SendNotification();
 112   application.Render(static_cast<unsigned int>(durationSeconds*250.0f)/* 25% progress */);
 113
 114   DALI_TEST_EQUALS( actor.GetCurrentPosition().x, 1.0f, TEST_LOCATION );
 115
 116   application.SendNotification();
 117   application.Render(static_cast<unsigned int>(durationSeconds*250.0f)/* 50% progress */);
 118   DALI_TEST_EQUALS( actor.GetCurrentPosition().x, 2.0f/3.0f, Math::MACHINE_EPSILON_1, TEST_LOCATION );
 119
 120   application.SendNotification();
 121   application.Render(static_cast<unsigned int>(durationSeconds*250.0f)/* 75% progress */);
 122   DALI_TEST_EQUALS( actor.GetCurrentPosition().x, 1.0f/3.0f, Math::MACHINE_EPSILON_1, TEST_LOCATION );
 123
 124   application.SendNotification();
 125   application.Render(static_cast<unsigned int>(durationSeconds*250.0f)/* 100% progress */);
 126   DALI_TEST_EQUALS( actor.GetCurrentPosition().x, 0.0f, TEST_LOCATION );
 127
 128   application.SendNotification();
 129   application.Render(static_cast<unsigned int>(durationSeconds*250.0f)/* beyond the animation duration*/);
 130   DALI_TEST_EQUALS( actor.GetCurrentPosition().x, 0.0f, TEST_LOCATION );
 131
 132   END_TEST;
 133 }
 134