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-toolkit/public-api/controls/control-impl.h>
23 #include <dali-toolkit/public-api/controls/super-blur-view/super-blur-view.h>
24 #include <dali-toolkit/public-api/controls/gaussian-blur-view/gaussian-blur-view.h>
38 * SuperBlurView implementation class
40 class SuperBlurView : public Control
47 SUPER_BLUR_VIEW_PROPERTY_START_INDEX = Control::CONTROL_PROPERTY_END_INDEX + 1,
48 SUPER_BLUR_VIEW_PROPERTY_END_INDEX = SUPER_BLUR_VIEW_PROPERTY_START_INDEX + 1000 ///< Reserving 1000 property indices
54 * @copydoc Dali::Toolkit::SuperBlurView::New
56 static Toolkit::SuperBlurView New( unsigned int blurLevels );
59 * @copydoc Dali::Toolkit::SuperBlurView::SetImage
61 void SetImage(Image inputImage);
64 * @copydoc Dali::Toolkit::SuperBlurView::GetBlurStrengthPropertyIndex
66 Property::Index GetBlurStrengthPropertyIndex() const;
69 * @copydoc Dali::Toolkit::SuperBlurView::SetBlurStrength
71 void SetBlurStrength( float blurStrength );
74 * @copydoc Dali::Toolkit::SuperBlurView::GetCurrentBlurStrength
76 float GetCurrentBlurStrength() const;
79 * @copydoc Dali::Toolkit::SuperBlurView::BlurFinishedSignal
81 Dali::Toolkit::SuperBlurView::SuperBlurViewSignal& BlurFinishedSignal();
84 * @copydoc Dali::Toolkit::SuperBlurView::GetBlurredImage
86 Image GetBlurredImage( unsigned int level );
91 * Called when a property of an object of this type is set.
92 * @param[in] object The object whose property is set.
93 * @param[in] index The property index.
94 * @param[in] value The new property value.
96 static void SetProperty( BaseObject* object, Property::Index propertyIndex, const Property::Value& value );
99 * Called to retrieve a property of an object of this type.
100 * @param[in] object The object whose property is to be retrieved.
101 * @param[in] index The property index.
102 * @return The current value of the property.
104 static Property::Value GetProperty( BaseObject* object, Property::Index propertyIndex );
109 * Constructor. It initializes the SuperBlurView members
111 SuperBlurView( unsigned int blurLevels );
114 * A reference counted object may only be deleted by calling Unreference()
116 virtual ~SuperBlurView();
118 private: // from Control
121 * @copydoc Toolkit::Control::OnInitialize
123 virtual void OnInitialize();
126 * @copydoc Toolkit::Control::OnControlSizeSet
128 virtual void OnControlSizeSet(const Vector3& targetSize);
131 * @copydoc Control::OnRelayout()
133 virtual void OnRelayout( const Vector2& size, ActorSizeContainer& container );
138 * Carry out the idx-th pass of blurring
139 * @param[in] idx The blur pass index
140 * @param[in] image The input image for the current blurring, it is either the original image or the blurred image from the previous pass
142 void BlurImage( unsigned int idx, Image image );
145 * Signal handler to tell when the last blur view completes
146 * @param[in] blurView The blur view that just completed
148 void OnBlurViewFinished( Toolkit::GaussianBlurView blurView );
151 * Clear the resources used to create the blurred image
153 void ClearBlurResource();
157 unsigned int mBlurLevels;
159 Property::Index mBlurStrengthPropertyIndex;
161 std::vector<Toolkit::GaussianBlurView> mGaussianBlurView;
162 std::vector<FrameBufferImage> mBlurredImage;
163 std::vector<ImageActor> mImageActors;
164 bool mResourcesCleared;
167 Toolkit::SuperBlurView::SuperBlurViewSignal mBlurFinishedSignal; ///< Signal emitted when blur has completed.
172 // Helpers for public-api forwarding methods
173 inline Toolkit::Internal::SuperBlurView& GetImpl( Toolkit::SuperBlurView& obj )
175 DALI_ASSERT_ALWAYS(obj);
176 Dali::RefObject& handle = obj.GetImplementation();
177 return static_cast<Toolkit::Internal::SuperBlurView&>(handle);
180 inline const Toolkit::Internal::SuperBlurView& GetImpl( const Toolkit::SuperBlurView& obj )
182 DALI_ASSERT_ALWAYS(obj);
183 const Dali::RefObject& handle = obj.GetImplementation();
184 return static_cast<const Toolkit::Internal::SuperBlurView&>(handle);
191 #endif /* __DALI_TOOLKIT_INTERNALSUPER_BLUR_VIEW_H__ */