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;
49 case Property::INTEGER:
51 function = EvalInteger;
54 case Property::UNSIGNED_INTEGER:
56 function = EvalUnsignedInteger;
64 case Property::VECTOR2:
66 function = EvalVector2;
69 case Property::VECTOR3:
71 function = EvalVector3;
74 case Property::VECTOR4:
76 function = EvalVector4;
81 function = EvalDefault;
89 bool Step::Evaluate( const float propertyValue, PropertyNotification::RawArgumentContainer& arg )
91 const float refValue = arg[ARGINDEX_REF_VALUE];
92 const float step = arg[ARGINDEX_STEP_SIZE];
93 const int currentStep = static_cast<int>(arg[ARGINDEX_CURRENT_STEP]);
94 const float distance = (propertyValue - refValue);
95 // step is actual 1.0f / step so can multiply instead of dividing
96 const int newStep = static_cast<int>(floorf(distance * step));
98 if( newStep != currentStep )
101 arg[ARGINDEX_CURRENT_STEP] = static_cast<float>(newStep);
108 bool Step::EvalInteger( const Dali::PropertyInput& value, PropertyNotification::RawArgumentContainer& arg )
110 const float propertyValue = static_cast<float>( value.GetInteger() );
111 return Evaluate( propertyValue, arg );
114 bool Step::EvalUnsignedInteger( const Dali::PropertyInput& value, PropertyNotification::RawArgumentContainer& arg )
116 const float propertyValue = static_cast<float>( value.GetUnsignedInteger() );
117 return Evaluate( propertyValue, arg );
120 bool Step::EvalFloat( const Dali::PropertyInput& value, PropertyNotification::RawArgumentContainer& arg )
122 const float propertyValue = value.GetFloat();
123 return Evaluate( propertyValue, arg );
125 bool Step::EvalVector2( const Dali::PropertyInput& value, PropertyNotification::RawArgumentContainer& arg )
127 const float propertyValue = value.GetVector2().LengthSquared();
128 return Evaluate( propertyValue, arg );
131 bool Step::EvalVector3( const Dali::PropertyInput& value, PropertyNotification::RawArgumentContainer& arg )
133 float propertyValue = value.GetVector3().LengthSquared();
134 return Evaluate( propertyValue, arg );
137 bool Step::EvalVector4( const Dali::PropertyInput& value, PropertyNotification::RawArgumentContainer& arg )
139 const float propertyValue = value.GetVector4().LengthSquared();
140 return Evaluate( propertyValue, arg );
143 bool Step::EvalDefault( const Dali::PropertyInput& value, PropertyNotification::RawArgumentContainer& arg )
148 } // namespace SceneGraph
150 } // namespace Internal