1 #ifndef __DALI_TOOLKIT_SCROLL_VIEW_CONSTRAINTS_H__
2 #define __DALI_TOOLKIT_SCROLL_VIEW_CONSTRAINTS_H__
5 * Copyright (c) 2014 Samsung Electronics Co., Ltd.
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
11 * http://www.apache.org/licenses/LICENSE-2.0
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
25 namespace Dali DALI_IMPORT_API
36 // Constraints ////////////////////////////////////////////////////////////////////////////////////
39 * Useful constraints to apply to a ScrollView.
43 * Move Actor constraint.
45 * Moves an Actor in accordance to scroll position.
47 Vector3 MoveActorConstraint(const Vector3& current,
48 const PropertyInput& scrollPositionProperty);
51 * Move-Scaled Actor constraint.
53 * Moves an Actor in accordance to scroll position (and scroll scale).
55 Vector3 MoveScaledActorConstraint(const Vector3& current,
56 const PropertyInput& scrollPositionProperty,
57 const PropertyInput& scrollScaleProperty);
60 * Scale Actor constraint.
62 * Scales an Actor in accordance to scroll scale.
64 Vector3 ScaleActorConstraint(const Vector3& current,
65 const PropertyInput& scrollScaleProperty);
68 * Wrap Actor constraint.
70 * Wraps an Actors position in accordance to min/max bounds of domain.
72 Vector3 WrapActorConstraint(const Vector3& current,
73 const PropertyInput& actorScaleProperty,
74 const PropertyInput& actorAnchorPointProperty,
75 const PropertyInput& actorSizeProperty,
76 const PropertyInput& scrollPositionMin,
77 const PropertyInput& scrollPositionMax,
78 const PropertyInput& scrollWrap);
80 } // namespace Toolkit
84 #endif // __DALI_TOOLKIT_SCROLL_VIEW_CONSTRAINTS_H__