2 * Copyright (c) 2018 Samsung Electronics Co., Ltd.
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
8 * http://www.apache.org/licenses/LICENSE-2.0
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.
18 #include <dali/public-api/common/dali-common.h>
19 #include <dali/public-api/math/vector2.h>
20 #include <dali/public-api/math/vector3.h>
21 #include <dali/public-api/math/vector4.h>
22 #include <dali/public-api/object/property-input.h>
23 #include <dali/internal/update/common/property-condition-step-functions.h>
37 const int32_t ARGINDEX_REF_VALUE = 0;
38 const int32_t ARGINDEX_STEP_SIZE = 1;
39 const int32_t ARGINDEX_CURRENT_STEP = 2;
40 const int32_t ARGINDEX_FIRST_VALUE = 3;
41 const int32_t ARGINDEX_SECOND_VALUE = 4;
42 const int32_t ARGINDEX_THIRD_VALUE = 5;
46 ConditionFunction Step::GetFunction(Property::Type valueType)
48 ConditionFunction function = NULL;
52 case Property::INTEGER:
54 function = EvalInteger;
62 case Property::VECTOR2:
64 function = EvalVector2;
67 case Property::VECTOR3:
69 function = EvalVector3;
72 case Property::VECTOR4:
74 function = EvalVector4;
79 function = EvalDefault;
87 ConditionFunction Step::GetCompareFunction( Property::Type valueType )
89 ConditionFunction function = NULL;
90 if( valueType == Property::VECTOR3 )
92 function = EvalAndCompareVector3;
96 function = GetFunction( valueType );
102 bool Step::Evaluate( const float propertyValue, PropertyNotification::RawArgumentContainer& arg )
104 const float refValue = arg[ARGINDEX_REF_VALUE];
105 const float step = arg[ARGINDEX_STEP_SIZE];
106 const int32_t currentStep = static_cast<int32_t>(arg[ARGINDEX_CURRENT_STEP]);
107 const float distance = (propertyValue - refValue);
108 // step is actual 1.0f / step so can multiply instead of dividing
109 const int32_t newStep = static_cast<int32_t>(floorf(distance * step));
111 if( newStep != currentStep )
114 arg[ARGINDEX_CURRENT_STEP] = static_cast<float>(newStep);
121 bool Step::EvalInteger( const Dali::PropertyInput& value, PropertyNotification::RawArgumentContainer& arg )
123 const float propertyValue = static_cast<float>( value.GetInteger() );
124 return Evaluate( propertyValue, arg );
127 bool Step::EvalFloat( const Dali::PropertyInput& value, PropertyNotification::RawArgumentContainer& arg )
129 const float propertyValue = value.GetFloat();
130 return Evaluate( propertyValue, arg );
133 bool Step::EvalVector2( const Dali::PropertyInput& value, PropertyNotification::RawArgumentContainer& arg )
135 const float propertyValue = value.GetVector2().Length();
136 return Evaluate( propertyValue, arg );
139 bool Step::EvalVector3( const Dali::PropertyInput& value, PropertyNotification::RawArgumentContainer& arg )
141 float propertyValue = value.GetVector3().Length();
142 return Evaluate( propertyValue, arg );
145 bool Step::EvalAndCompareVector3( const Dali::PropertyInput& value, PropertyNotification::RawArgumentContainer& arg )
147 float propertyValue = value.GetVector3().Length();
148 bool result = Evaluate( propertyValue, arg );
149 if( result == false )
151 const float step = 1.0f / arg[ARGINDEX_STEP_SIZE];
152 if( ( fabsf( arg[ARGINDEX_FIRST_VALUE] - value.GetVector3().x ) > step )
153 || ( fabsf( arg[ARGINDEX_SECOND_VALUE] - value.GetVector3().y ) > step )
154 || ( fabsf( arg[ARGINDEX_THIRD_VALUE] - value.GetVector3().z ) > step ) )
159 arg[ARGINDEX_FIRST_VALUE] = value.GetVector3().x;
160 arg[ARGINDEX_SECOND_VALUE] = value.GetVector3().y;
161 arg[ARGINDEX_THIRD_VALUE] = value.GetVector3().z;
165 bool Step::EvalVector4( const Dali::PropertyInput& value, PropertyNotification::RawArgumentContainer& arg )
167 const float propertyValue = value.GetVector4().Length();
168 return Evaluate( propertyValue, arg );
171 bool Step::EvalDefault( const Dali::PropertyInput& value, PropertyNotification::RawArgumentContainer& arg )
176 } // namespace SceneGraph
178 } // namespace Internal