2 * Copyright (c) 2014 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 int ARGINDEX_REF_VALUE = 0;
38 const int ARGINDEX_STEP_SIZE = 1;
39 const int ARGINDEX_CURRENT_STEP = 2;
43 ConditionFunction Step::GetFunction(Property::Type valueType)
45 ConditionFunction function = NULL;
54 case Property::VECTOR2:
56 function = EvalVector2;
59 case Property::VECTOR3:
61 function = EvalVector3;
64 case Property::VECTOR4:
66 function = EvalVector4;
71 function = EvalDefault;
79 bool Step::Evaluate( const float propertyValue, PropertyNotification::RawArgumentContainer& arg )
81 const float refValue = arg[ARGINDEX_REF_VALUE];
82 const float step = arg[ARGINDEX_STEP_SIZE];
83 const int currentStep = static_cast<int>(arg[ARGINDEX_CURRENT_STEP]);
84 const float distance = (propertyValue - refValue);
85 // step is actual 1.0f / step so can multiply instead of dividing
86 const int newStep = static_cast<int>(floorf(distance * step));
88 if( newStep != currentStep )
91 arg[ARGINDEX_CURRENT_STEP] = static_cast<float>(newStep);
97 bool Step::EvalFloat( const Dali::PropertyInput& value, PropertyNotification::RawArgumentContainer& arg )
99 const float propertyValue = value.GetFloat();
100 return Evaluate( propertyValue, arg );
103 bool Step::EvalVector2( const Dali::PropertyInput& value, PropertyNotification::RawArgumentContainer& arg )
105 const float propertyValue = value.GetVector2().LengthSquared();
106 return Evaluate( propertyValue, arg );
109 bool Step::EvalVector3( const Dali::PropertyInput& value, PropertyNotification::RawArgumentContainer& arg )
111 float propertyValue = value.GetVector3().LengthSquared();
112 return Evaluate( propertyValue, arg );
115 bool Step::EvalVector4( const Dali::PropertyInput& value, PropertyNotification::RawArgumentContainer& arg )
117 const float propertyValue = value.GetVector4().LengthSquared();
118 return Evaluate( propertyValue, arg );
121 bool Step::EvalDefault( const Dali::PropertyInput& value, PropertyNotification::RawArgumentContainer& arg )
126 } // namespace SceneGraph
128 } // namespace Internal