1 #ifndef __DALI_TOOLKIT_SHEAR_EFFECT_H__
2 #define __DALI_TOOLKIT_SHEAR_EFFECT_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 * ShearEffect is a custom shader effect to achieve shear effects in Image actors
33 class ShearEffect : public ShaderEffect
38 * Create an uninitialized ShearEffect; this can be initialized with ShearEffect::New()
39 * Calling member functions with an uninitialized Dali::Object is not allowed.
46 virtual ~ShearEffect();
49 * Create an initialized ShearEffect.
50 * @return A handle to a newly allocated Dali resource.
52 static ShearEffect New();
55 * Set the center point of the shear effect in screen coordinates.
56 * @param [in] center The new center point.
58 void SetCenter(const Vector2& center);
61 * Set the angle of the shear effect in the X axis.
62 * @param [in] angle The new angle.
64 void SetAngleXAxis(float angle);
67 * Set the angle of the shear effect in the Y axis.
68 * @param [in] angle The new angle.
70 void SetAngleYAxis(float angle);
73 * Get the name for the center property
74 * @return A std::string containing the property name
76 const std::string& GetCenterPropertyName() const;
79 * Get the name for the X axis property
80 * @return A std::string containing the property name
82 const std::string& GetAngleXAxisPropertyName() const;
85 * Get the name for the Y axis property
86 * @return A std::string containing the property name
88 const std::string& GetAngleYAxisPropertyName() const;
91 private: // Not intended for application developers
92 ShearEffect(ShaderEffect handle);
95 } // namespace Toolkit
99 #endif // __DALI_TOOLKIT_SHEAR_EFFECT_H__