/*
- * Copyright (c) 2014 Samsung Electronics Co., Ltd.
+ * Copyright (c) 2020 Samsung Electronics Co., Ltd.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
// EXTERNAL INCLUDES
#include <cmath>
#include <dali/public-api/animation/constraint.h>
-#include <dali/public-api/common/stage.h>
+#include <dali/devel-api/common/stage.h>
+#include <dali/public-api/object/property-map.h>
#include <dali/public-api/object/type-registry.h>
-#include <dali/devel-api/object/type-registry-helper.h>
+#include <dali/public-api/object/type-registry-helper.h>
+#include <dali/public-api/rendering/renderer.h>
#include <dali/devel-api/scripting/scripting.h>
#include <dali/integration-api/debug.h>
+// INTERNAL_INCLUDES
+#include <dali-toolkit/public-api/image-loader/sync-image-loader.h>
+#include <dali-toolkit/devel-api/controls/control-devel.h>
+#include <dali-toolkit/internal/controls/control/control-renderers.h>
+#include <dali-toolkit/internal/visuals/visual-base-impl.h>
+#include <dali-toolkit/internal/visuals/visual-factory-impl.h>
+#include <dali-toolkit/internal/controls/control/control-data-impl.h>
+
namespace //Unnamed namespace
{
const unsigned int GAUSSIAN_BLUR_NUM_SAMPLES_INCREMENTATION = 10;
const float GAUSSIAN_BLUR_BELL_CURVE_WIDTH = 4.5f;
const float GAUSSIAN_BLUR_BELL_CURVE_WIDTH_INCREMENTATION = 5.f;
-const Pixel::Format GAUSSIAN_BLUR_RENDER_TARGET_PIXEL_FORMAT = Pixel::RGB888;
+const Pixel::Format GAUSSIAN_BLUR_RENDER_TARGET_PIXEL_FORMAT = Pixel::RGBA8888;
const float GAUSSIAN_BLUR_DOWNSAMPLE_WIDTH_SCALE = 0.5f;
const float GAUSSIAN_BLUR_DOWNSAMPLE_HEIGHT_SCALE = 0.5f;
+const char* ALPHA_UNIFORM_NAME( "uAlpha" );
+const char* FRAGMENT_SHADER = DALI_COMPOSE_SHADER(
+ varying mediump vec2 vTexCoord;\n
+ uniform sampler2D sTexture;\n
+ uniform lowp vec4 uColor;\n
+ uniform lowp float uAlpha;\n
+ \n
+ void main()\n
+ {\n
+ gl_FragColor = texture2D( sTexture, vTexCoord ) * uColor;\n
+ gl_FragColor.a *= uAlpha;
+ }\n
+);
+
/**
* The constraint is used to blend the group of blurred images continuously with a unified blur strength property value which ranges from zero to one.
*/
void operator()( float& current, const PropertyInputContainer& inputs )
{
float blurStrength = inputs[0]->GetFloat();
- if(blurStrength <= mRange.x)
+ if(blurStrength < mRange.x)
{
- current = 1.f;
+ current = 0.f;
}
else if(blurStrength > mRange.y)
{
- current = 0.f;
+ current = 1.f;
}
else
{
- current = ( mRange.y - blurStrength) / ( mRange.y - mRange.x );
+ current = ( blurStrength - mRange.x) / ( mRange.y - mRange.x );
}
}
// Setup properties, signals and actions using the type-registry.
DALI_TYPE_REGISTRATION_BEGIN( Toolkit::SuperBlurView, Toolkit::Control, Create )
-DALI_PROPERTY_REGISTRATION( Toolkit, SuperBlurView, "image", MAP, IMAGE )
+DALI_PROPERTY_REGISTRATION( Toolkit, SuperBlurView, "imageUrl", STRING, IMAGE_URL )
DALI_TYPE_REGISTRATION_END()
} // unnamed namespace
SuperBlurView::SuperBlurView( unsigned int blurLevels )
-: Control( ControlBehaviour( DISABLE_SIZE_NEGOTIATION ) ),
- mBlurLevels( blurLevels ),
+: Control( ControlBehaviour( DISABLE_SIZE_NEGOTIATION | DISABLE_STYLE_CHANGE_SIGNALS ) ),
+ mTargetSize( Vector2::ZERO ),
mBlurStrengthPropertyIndex(Property::INVALID_INDEX),
- mResourcesCleared( true ),
- mTargetSize( Vector2::ZERO )
+ mBlurLevels( blurLevels ),
+ mResourcesCleared( true )
{
DALI_ASSERT_ALWAYS( mBlurLevels > 0 && " Minimal blur level is one, otherwise no blur is needed" );
- mGaussianBlurView.assign( blurLevels, NULL );
- mBlurredImage.assign( blurLevels, FrameBufferImage() );
- mImageActors.assign( blurLevels + 1, ImageActor() );
+ mGaussianBlurView.assign( blurLevels, Toolkit::GaussianBlurView() );
+ mBlurredImage.assign( blurLevels, FrameBuffer() );
+ mRenderers.assign( blurLevels+1, Dali::Renderer() );
+
+ DevelControl::SetAccessibilityConstructor( Self(), []( Dali::Actor actor ) {
+ return std::unique_ptr< Dali::Accessibility::Accessible >(
+ new Control::Impl::AccessibleImpl( actor, Dali::Accessibility::Role::FILLER ) );
+ } );
}
SuperBlurView::~SuperBlurView()
void SuperBlurView::OnInitialize()
{
- mBlurStrengthPropertyIndex = Self().RegisterProperty( "blur-strength",0.f );
-
- DALI_ASSERT_ALWAYS( mImageActors.size() == mBlurLevels+1 && "must synchronize the ImageActor group if blur levels got changed " );
- for(unsigned int i=0; i<=mBlurLevels;i++)
- {
- mImageActors[i] = ImageActor::New( );
- mImageActors[i].SetResizePolicy( ResizePolicy::FILL_TO_PARENT, Dimension::ALL_DIMENSIONS );
- mImageActors[i].SetParentOrigin( ParentOrigin::CENTER );
- mImageActors[i].SetZ(-static_cast<float>(i)*0.01f);
- mImageActors[i].SetColorMode( USE_OWN_MULTIPLY_PARENT_ALPHA );
- Self().Add( mImageActors[i] );
- }
-
- for(unsigned int i=0; i < mBlurLevels; i++)
- {
- Constraint constraint = Constraint::New<float>( mImageActors[i], Actor::Property::COLOR_ALPHA, ActorOpacityConstraint(mBlurLevels, i) );
- constraint.AddSource( ParentSource( mBlurStrengthPropertyIndex ) );
- constraint.Apply();
- }
+ Actor self( Self() );
- Self().SetSize(Stage::GetCurrent().GetSize());
+ mBlurStrengthPropertyIndex = self.RegisterProperty( "blurStrength", 0.f );
}
-void SuperBlurView::SetImage(Image inputImage)
+void SuperBlurView::SetTexture( Texture texture )
{
- DALI_ASSERT_ALWAYS( mImageActors.size() == mBlurLevels+1 && "must synchronize the ImageActor group if blur levels got changed " );
- DALI_ASSERT_ALWAYS( mBlurredImage.size() == mBlurLevels && "must synchronize the blurred image group if blur levels got changed " );
+ mInputTexture = texture;
+
+ if( mTargetSize == Vector2::ZERO )
+ {
+ return;
+ }
ClearBlurResource();
- mImageActors[0].SetImage( inputImage );
+ Actor self( Self() );
- for(unsigned int i=1; i<=mBlurLevels;i++)
- {
- mImageActors[i].SetImage( mBlurredImage[i-1] );
- }
+ BlurTexture( 0, mInputTexture );
+ SetRendererTexture( mRenderers[0], texture );
- BlurImage( 0, inputImage);
- for(unsigned int i=1; i<mBlurLevels;i++)
+ unsigned int i = 1;
+ for(; i<mBlurLevels; i++)
{
- BlurImage( i, mBlurredImage[i-1]);
+ BlurTexture( i, mBlurredImage[i-1].GetColorTexture() );
+ SetRendererTexture( mRenderers[i], mBlurredImage[i-1] );
}
+ SetRendererTexture( mRenderers[i], mBlurredImage[i-1] );
+
mResourcesCleared = false;
}
return mBlurFinishedSignal;
}
-Image SuperBlurView::GetBlurredImage( unsigned int level )
+Texture SuperBlurView::GetBlurredTexture( unsigned int level )
{
DALI_ASSERT_ALWAYS( level>0 && level<=mBlurLevels );
- return mBlurredImage[level-1];
+
+ FrameBuffer frameBuffer = mBlurredImage[level-1];
+
+ return frameBuffer.GetColorTexture();
}
-void SuperBlurView::BlurImage( unsigned int idx, Image image )
+void SuperBlurView::BlurTexture( unsigned int idx, Texture texture )
{
DALI_ASSERT_ALWAYS( mGaussianBlurView.size()>idx );
mGaussianBlurView[idx] = Toolkit::GaussianBlurView::New( GAUSSIAN_BLUR_DEFAULT_NUM_SAMPLES+GAUSSIAN_BLUR_NUM_SAMPLES_INCREMENTATION*idx,
GAUSSIAN_BLUR_BELL_CURVE_WIDTH + GAUSSIAN_BLUR_BELL_CURVE_WIDTH_INCREMENTATION*static_cast<float>(idx),
GAUSSIAN_BLUR_RENDER_TARGET_PIXEL_FORMAT,
GAUSSIAN_BLUR_DOWNSAMPLE_WIDTH_SCALE, GAUSSIAN_BLUR_DOWNSAMPLE_HEIGHT_SCALE, true );
- mGaussianBlurView[idx].SetParentOrigin(ParentOrigin::CENTER);
- mGaussianBlurView[idx].SetSize(mTargetSize);
- mGaussianBlurView[idx].SetUserImageAndOutputRenderTarget( image, mBlurredImage[idx] );
+ mGaussianBlurView[idx].SetProperty( Actor::Property::PARENT_ORIGIN,ParentOrigin::CENTER );
+ mGaussianBlurView[idx].SetProperty( Actor::Property::SIZE, mTargetSize );
+ Stage::GetCurrent().Add( mGaussianBlurView[idx] );
+
+ mGaussianBlurView[idx].SetUserImageAndOutputRenderTarget( texture, mBlurredImage[idx] );
+
+ mGaussianBlurView[idx].ActivateOnce();
if( idx == mBlurLevels-1 )
{
mGaussianBlurView[idx].FinishedSignal().Connect( this, &SuperBlurView::OnBlurViewFinished );
}
- Stage::GetCurrent().Add( mGaussianBlurView[idx] );
- mGaussianBlurView[idx].ActivateOnce();
}
void SuperBlurView::OnBlurViewFinished( Toolkit::GaussianBlurView blurView )
{
Stage::GetCurrent().Remove( mGaussianBlurView[i] );
mGaussianBlurView[i].Deactivate();
- mGaussianBlurView[i].Reset();
}
mResourcesCleared = true;
}
}
-void SuperBlurView::OnControlSizeSet( const Vector3& targetSize )
+void SuperBlurView::OnSizeSet( const Vector3& targetSize )
{
if( mTargetSize != Vector2(targetSize) )
{
mTargetSize = Vector2(targetSize);
- for(unsigned int i=0; i<mBlurLevels;i++)
+ Actor self = Self();
+ for( unsigned int i = 1; i <= mBlurLevels; i++ )
+ {
+ float exponent = static_cast<float>(i);
+
+ unsigned int width = mTargetSize.width/std::pow(2.f,exponent);
+ unsigned int height = mTargetSize.height/std::pow(2.f,exponent);
+
+ mBlurredImage[i-1] = FrameBuffer::New( width, height, FrameBuffer::Attachment::NONE );
+ Texture texture = Texture::New( TextureType::TEXTURE_2D, GAUSSIAN_BLUR_RENDER_TARGET_PIXEL_FORMAT, unsigned(width), unsigned(height) );
+ mBlurredImage[i-1].AttachColorTexture( texture );
+ }
+
+ if( mInputTexture )
{
- float exponent = static_cast<float>(i+1);
- mBlurredImage[i] = FrameBufferImage::New( mTargetSize.width/std::pow(2.f,exponent) , mTargetSize.height/std::pow(2.f,exponent),
- GAUSSIAN_BLUR_RENDER_TARGET_PIXEL_FORMAT, Dali::Image::NEVER );
+ SetTexture( mInputTexture );
}
}
+
+ Control::OnSizeSet( targetSize );
+}
+
+void SuperBlurView::OnSceneConnection( int depth )
+{
+ if( mTargetSize == Vector2::ZERO )
+ {
+ return;
+ }
+
+ // Exception to the rule, chaining up first ensures visuals have SetOnScene called to create their renderers
+ Control::OnSceneConnection( depth );
+
+ Actor self = Self();
+
+ for(unsigned int i=0; i<mBlurLevels+1;i++)
+ {
+ mRenderers[i] = CreateRenderer( BASIC_VERTEX_SOURCE, FRAGMENT_SHADER );
+ mRenderers[i].SetProperty( Dali::Renderer::Property::DEPTH_INDEX, (int)i );
+ self.AddRenderer( mRenderers[i] );
+
+ if( i > 0 )
+ {
+ Renderer renderer = mRenderers[i];
+ Property::Index index = renderer.RegisterProperty( ALPHA_UNIFORM_NAME, 0.f );
+ Constraint constraint = Constraint::New<float>( renderer, index, ActorOpacityConstraint(mBlurLevels, i-1) );
+ constraint.AddSource( Source( self, mBlurStrengthPropertyIndex ) );
+ constraint.Apply();
+ }
+ }
+
+ if( mInputTexture )
+ {
+ SetRendererTexture( mRenderers[0], mInputTexture );
+ unsigned int i = 1;
+ for(; i<mBlurLevels; i++)
+ {
+ SetRendererTexture( mRenderers[i], mBlurredImage[i-1] );
+ }
+ SetRendererTexture( mRenderers[i], mBlurredImage[i-1] );
+ }
+}
+
+void SuperBlurView::OnSceneDisconnection()
+{
+ for(unsigned int i=0; i<mBlurLevels+1;i++)
+ {
+ Self().RemoveRenderer( mRenderers[i] );
+ mRenderers[i].Reset();
+ }
+
+ Control::OnSceneDisconnection();
+}
+
+Vector3 SuperBlurView::GetNaturalSize()
+{
+ if( mInputTexture )
+ {
+ return Vector3( mInputTexture.GetWidth(), mInputTexture.GetHeight(), 0.f );
+ }
+ return Vector3::ZERO;
}
void SuperBlurView::SetProperty( BaseObject* object, Property::Index propertyIndex, const Property::Value& value )
{
SuperBlurView& superBlurViewImpl( GetImpl( superBlurView ) );
- if( propertyIndex == Toolkit::SuperBlurView::Property::IMAGE )
+ if( propertyIndex == Toolkit::SuperBlurView::Property::IMAGE_URL )
{
- Dali::Image image = Scripting::NewImage( value );
- if ( image )
+ value.Get( superBlurViewImpl.mUrl );
+
+ PixelData pixels = SyncImageLoader::Load( superBlurViewImpl.mUrl );
+
+ if ( pixels )
{
- superBlurViewImpl.SetImage( image );
+ Texture texture = Texture::New( TextureType::TEXTURE_2D, pixels.GetPixelFormat(), pixels.GetWidth(), pixels.GetHeight() );
+ texture.Upload( pixels, 0, 0, 0, 0, pixels.GetWidth(), pixels.GetHeight() );
+
+ superBlurViewImpl.SetTexture( texture );
}
else
{
{
Property::Value value;
- Toolkit::SuperBlurView pushButton = Toolkit::SuperBlurView::DownCast( Dali::BaseHandle( object ) );
+ Toolkit::SuperBlurView blurView = Toolkit::SuperBlurView::DownCast( Dali::BaseHandle( object ) );
- if( pushButton )
+ if( blurView )
{
- SuperBlurView& superBlurViewImpl( GetImpl( pushButton ) );
+ SuperBlurView& superBlurViewImpl( GetImpl( blurView ) );
- if( propertyIndex == Toolkit::SuperBlurView::Property::IMAGE )
+ if( propertyIndex == Toolkit::SuperBlurView::Property::IMAGE_URL )
{
- Property::Map map;
- if( !superBlurViewImpl.mImageActors.empty() && superBlurViewImpl.mImageActors[0] )
- {
- Scripting::CreatePropertyMap( superBlurViewImpl.mImageActors[0], map );
- }
- value = Property::Value( map );
+ value = superBlurViewImpl.mUrl;
}
}
projects / platform / core / uifw / dali-toolkit.git / blobdiff