1 #ifndef __DALI_TOOLKIT_INTERNAL_SUPER_BLUR_VIEW_H__
2 #define __DALI_TOOLKIT_INTERNAL_SUPER_BLUR_VIEW_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>
23 #include <dali-toolkit/public-api/controls/control-impl.h>
24 #include <dali-toolkit/public-api/controls/super-blur-view/super-blur-view.h>
25 #include <dali-toolkit/public-api/controls/gaussian-blur-view/gaussian-blur-view.h>
39 * SuperBlurView implementation class
41 class SuperBlurView : public ControlImpl
48 SUPER_BLUR_VIEW_PROPERTY_START_INDEX = ControlImpl::CONTROL_PROPERTY_END_INDEX + 1,
49 SUPER_BLUR_VIEW_PROPERTY_END_INDEX = SUPER_BLUR_VIEW_PROPERTY_START_INDEX + 1000 ///< Reserving 1000 property indices
55 * @copydoc Dali::Toolkit::SuperBlurView::New
57 static Toolkit::SuperBlurView New( unsigned int blurLevels );
60 * @copydoc Dali::Toolkit::SuperBlurView::SetImage
62 void SetImage(Image inputImage);
65 * @copydoc Dali::Toolkit::SuperBlurView::GetBlurStrengthPropertyIndex
67 Property::Index GetBlurStrengthPropertyIndex() const;
70 * @copydoc Dali::Toolkit::SuperBlurView::SetBlurStrength
72 void SetBlurStrength( float blurStrength );
75 * @copydoc Dali::Toolkit::SuperBlurView::GetCurrentBlurStrength
77 float GetCurrentBlurStrength() const;
80 * @copydoc Dali::Toolkit::SuperBlurView::BlurFinishedSignal
82 Dali::Toolkit::SuperBlurView::SuperBlurViewSignal& BlurFinishedSignal();
85 * @copydoc Dali::Toolkit::SuperBlurView::GetBlurredImage
87 Image GetBlurredImage( unsigned int level );
92 * Called when a property of an object of this type is set.
93 * @param[in] object The object whose property is set.
94 * @param[in] index The property index.
95 * @param[in] value The new property value.
97 static void SetProperty( BaseObject* object, Property::Index propertyIndex, const Property::Value& value );
100 * Called to retrieve a property of an object of this type.
101 * @param[in] object The object whose property is to be retrieved.
102 * @param[in] index The property index.
103 * @return The current value of the property.
105 static Property::Value GetProperty( BaseObject* object, Property::Index propertyIndex );
110 * Constructor. It initializes the SuperBlurView members
112 SuperBlurView( unsigned int blurLevels );
115 * A reference counted object may only be deleted by calling Unreference()
117 virtual ~SuperBlurView();
119 private: // from ControlImpl
122 * @copydoc Toolkit::Control::OnInitialize
124 virtual void OnInitialize();
127 * @copydoc Toolkit::Control::OnControlSizeSet
129 virtual void OnControlSizeSet(const Vector3& targetSize);
132 * @copydoc Toolkit::ControlImpl::OnRelaidOut()
134 virtual void OnRelaidOut( Vector2 size, ActorSizeContainer& container );
139 * Carry out the idx-th pass of blurring
140 * @param[in] idx The blur pass index
141 * @param[in] image The input image for the current blurring, it is either the original image or the blurred image from the previous pass
143 void BlurImage( unsigned int idx, Image image );
146 * Signal handler to tell when the last blur view completes
147 * @param[in] blurView The blur view that just completed
149 void OnBlurViewFinished( Toolkit::GaussianBlurView blurView );
152 * Clear the resources used to create the blurred image
154 void ClearBlurResource();
158 unsigned int mBlurLevels;
160 Property::Index mBlurStrengthPropertyIndex;
162 std::vector<Toolkit::GaussianBlurView> mGaussianBlurView;
163 std::vector<FrameBufferImage> mBlurredImage;
164 std::vector<ImageActor> mImageActors;
165 bool mResourcesCleared;
168 Toolkit::SuperBlurView::SuperBlurViewSignal mBlurFinishedSignal; ///< Signal emitted when blur has completed.
173 // Helpers for public-api forwarding methods
174 inline Toolkit::Internal::SuperBlurView& GetImpl( Toolkit::SuperBlurView& obj )
176 DALI_ASSERT_ALWAYS(obj);
177 Dali::RefObject& handle = obj.GetImplementation();
178 return static_cast<Toolkit::Internal::SuperBlurView&>(handle);
181 inline const Toolkit::Internal::SuperBlurView& GetImpl( const Toolkit::SuperBlurView& obj )
183 DALI_ASSERT_ALWAYS(obj);
184 const Dali::RefObject& handle = obj.GetImplementation();
185 return static_cast<const Toolkit::Internal::SuperBlurView&>(handle);
192 #endif /* __DALI_TOOLKIT_INTERNALSUPER_BLUR_VIEW_H__ */