2 * Copyright (c) 2020 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.
20 #include <dali-toolkit/public-api/controls/scrollable/scroll-view/scroll-view-constraints.h>
21 #include <dali/public-api/common/constants.h>
22 #include <dali/public-api/math/math-utils.h>
23 #include <dali/public-api/object/property-input.h>
31 void MoveActorConstraint(Vector3& current, const PropertyInputContainer& inputs)
33 current += Vector3(inputs[0]->GetVector2());
36 void WrapActorConstraint(Vector3& position, const PropertyInputContainer& inputs)
38 bool wrap = inputs[5]->GetBoolean();
42 const Vector2& min = inputs[3]->GetVector2();
43 const Vector2& max = inputs[4]->GetVector2();
45 const Vector3& anchor = inputs[1]->GetVector3();
46 const Vector3 scale = inputs[0]->GetVector3();
47 const Vector3 size = inputs[2]->GetVector3();
49 if(fabsf(min.x - max.x) > Math::MACHINE_EPSILON_1)
51 // WRAP X (based on the position of the right side)
52 float offsetX = (1.0f - anchor.x) * size.x * scale.x;
53 position.x = WrapInDomain(position.x + offsetX, min.x, max.x) - offsetX;
56 if(fabsf(min.y - max.y) > Math::MACHINE_EPSILON_1)
58 // WRAP Y (based on the position of the bottom side)
59 float offsetY = (1.0f - anchor.y) * size.y * scale.y;
60 position.y = WrapInDomain(position.y + offsetY, min.y, max.y) - offsetY;
65 } // namespace Toolkit