2 * Copyright (c) 2021 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/internal/update/common/property-condition-step-functions.h>
19 #include <dali/public-api/common/dali-common.h>
20 #include <dali/public-api/math/vector2.h>
21 #include <dali/public-api/math/vector3.h>
22 #include <dali/public-api/math/vector4.h>
23 #include <dali/public-api/object/property-input.h>
33 const int32_t ARGINDEX_REF_VALUE = 0;
34 const int32_t ARGINDEX_STEP_SIZE = 1;
35 const int32_t ARGINDEX_CURRENT_STEP = 2;
36 const int32_t ARGINDEX_FIRST_VALUE = 3;
37 const int32_t ARGINDEX_SECOND_VALUE = 4;
38 const int32_t ARGINDEX_THIRD_VALUE = 5;
42 ConditionFunction Step::GetFunction(Property::Type valueType)
44 ConditionFunction function = nullptr;
48 case Property::INTEGER:
50 function = EvalInteger;
58 case Property::VECTOR2:
60 function = EvalVector2;
63 case Property::VECTOR3:
65 function = EvalVector3;
68 case Property::VECTOR4:
70 function = EvalVector4;
75 function = EvalDefault;
83 ConditionFunction Step::GetCompareFunction(Property::Type valueType)
85 ConditionFunction function = nullptr;
86 if(valueType == Property::VECTOR3)
88 function = EvalAndCompareVector3;
92 function = GetFunction(valueType);
98 bool Step::Evaluate(const float propertyValue, PropertyNotification::RawArgumentContainer& arg)
100 const float refValue = arg[ARGINDEX_REF_VALUE];
101 const float step = arg[ARGINDEX_STEP_SIZE];
102 const int32_t currentStep = static_cast<int32_t>(arg[ARGINDEX_CURRENT_STEP]);
103 const float distance = (propertyValue - refValue);
104 // step is actual 1.0f / step so can multiply instead of dividing
105 const int32_t newStep = static_cast<int32_t>(floorf(distance * step));
107 if(newStep != currentStep)
110 arg[ARGINDEX_CURRENT_STEP] = static_cast<float>(newStep);
116 bool Step::EvalInteger(const Dali::PropertyInput& value, PropertyNotification::RawArgumentContainer& arg)
118 const float propertyValue = static_cast<float>(value.GetInteger());
119 return Evaluate(propertyValue, arg);
122 bool Step::EvalFloat(const Dali::PropertyInput& value, PropertyNotification::RawArgumentContainer& arg)
124 const float propertyValue = value.GetFloat();
125 return Evaluate(propertyValue, arg);
128 bool Step::EvalVector2(const Dali::PropertyInput& value, PropertyNotification::RawArgumentContainer& arg)
130 const float propertyValue = value.GetVector2().Length();
131 return Evaluate(propertyValue, arg);
134 bool Step::EvalVector3(const Dali::PropertyInput& value, PropertyNotification::RawArgumentContainer& arg)
136 float propertyValue = value.GetVector3().Length();
137 return Evaluate(propertyValue, arg);
140 bool Step::EvalAndCompareVector3(const Dali::PropertyInput& value, PropertyNotification::RawArgumentContainer& arg)
142 float propertyValue = value.GetVector3().Length();
143 bool result = Evaluate(propertyValue, arg);
146 const float step = 1.0f / arg[ARGINDEX_STEP_SIZE];
147 if((fabsf(arg[ARGINDEX_FIRST_VALUE] - value.GetVector3().x) > step) || (fabsf(arg[ARGINDEX_SECOND_VALUE] - value.GetVector3().y) > step) || (fabsf(arg[ARGINDEX_THIRD_VALUE] - value.GetVector3().z) > step))
152 arg[ARGINDEX_FIRST_VALUE] = value.GetVector3().x;
153 arg[ARGINDEX_SECOND_VALUE] = value.GetVector3().y;
154 arg[ARGINDEX_THIRD_VALUE] = value.GetVector3().z;
158 bool Step::EvalVector4(const Dali::PropertyInput& value, PropertyNotification::RawArgumentContainer& arg)
160 const float propertyValue = value.GetVector4().Length();
161 return Evaluate(propertyValue, arg);
164 bool Step::EvalDefault(const Dali::PropertyInput& value, PropertyNotification::RawArgumentContainer& arg)
169 } // namespace SceneGraph
171 } // namespace Internal