1 #ifndef __DALI_TOOLKIT_SHADER_EFFECT_SWIRL_H__
2 #define __DALI_TOOLKIT_SHADER_EFFECT_SWIRL_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.
22 #include <dali/dali.h>
24 namespace Dali DALI_IMPORT_API
31 * @brief SwirlEffect is a custom shader effect to achieve swirl effects in Image actors.
33 class SwirlEffect : public ShaderEffect
38 * @brief Create an uninitialized SwirlEffect; this can be initialized with SwirlEffect::New().
40 * Calling member functions with an uninitialized Dali::Object is not allowed.
47 * This is non-virtual since derived Handle types must not contain data or virtual methods.
52 * @brief Create an initialized SwirlEffect.
54 * @param[in] warp True if the effect should warp.
55 * @return A handle to a newly allocated Dali resource.
57 static SwirlEffect New(bool warp);
60 * @brief Set the angle of the swirl.
62 * @param[in] angle The angle in float.
64 void SetAngle(float angle);
67 * @brief Set the center of the swirl.
69 * @param[in] center The center in Vector2.
71 void SetCenter(const Vector2& center);
74 * @brief Set the radius of the swirl.
76 * @param[in] radius The radius in float.
78 void SetRadius(float radius);
81 * @brief Get the name for the angle property.
83 * @return A std::string containing the property name
85 const std::string& GetAnglePropertyName() const;
88 * @brief Get the name for the center property.
90 * @return A std::string containing the property name
92 const std::string& GetCenterPropertyName() const;
95 * @brief Get the name for the radius property.
97 * @return A std::string containing the property name
99 const std::string& GetRadiusPropertyName() const;
101 private: // Not intended for application developers
102 SwirlEffect(ShaderEffect handle);
105 } // namespace Toolkit
109 #endif // __DALI_TOOLKIT_SHADER_EFFECT_SWIRL_H__