*
*/
+// CLASS HEADER
+#include "super-blur-view-impl.h"
+
// EXTERNAL INCLUDES
#include <cmath>
+#include <dali/public-api/animation/constraint.h>
#include <dali/public-api/common/stage.h>
#include <dali/public-api/object/type-registry.h>
-#include <dali/public-api/scripting/scripting.h>
+#include <dali/public-api/object/property-map.h>
+#include <dali/devel-api/object/type-registry-helper.h>
+#include <dali/devel-api/rendering/renderer.h>
+#include <dali/devel-api/scripting/scripting.h>
#include <dali/integration-api/debug.h>
-// CLASS HEADER
-#include "super-blur-view-impl.h"
-
-namespace //unnamed namespace
+namespace //Unnamed namespace
{
using namespace Dali;
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.
*/
mRange = Vector2( index*rangeLength, (index+1.f)*rangeLength );
}
- float operator()( float current, const PropertyInput& blurProperty )
+ void operator()( float& current, const PropertyInputContainer& inputs )
{
- float blurStrength = blurProperty.GetFloat();
- if(blurStrength <= mRange.x)
+ float blurStrength = inputs[0]->GetFloat();
+ if(blurStrength < mRange.x)
{
- return 1.f;
+ current = 0.f;
}
else if(blurStrength > mRange.y)
{
- return 0.f;
+ current = 1.f;
}
else
{
- return (mRange.y - blurStrength)/(mRange.y-mRange.x);
+ current = ( blurStrength - mRange.x) / ( mRange.y - mRange.x );
}
}
namespace Toolkit
{
-const Property::Index SuperBlurView::PROPERTY_IMAGE( Internal::SuperBlurView::SUPER_BLUR_VIEW_PROPERTY_START_INDEX );
-
namespace Internal
{
namespace
{
+
const unsigned int DEFAULT_BLUR_LEVEL(5u); ///< The default blur level when creating SuperBlurView from the type registry
BaseHandle Create()
return Toolkit::SuperBlurView::New( DEFAULT_BLUR_LEVEL );
}
-// Type registration
-TypeRegistration typeRegistration( typeid(Toolkit::SuperBlurView), typeid(Toolkit::Control), Create );
+// Setup properties, signals and actions using the type-registry.
+DALI_TYPE_REGISTRATION_BEGIN( Toolkit::SuperBlurView, Toolkit::Control, Create )
-PropertyRegistration property1( typeRegistration, "image", Toolkit::SuperBlurView::PROPERTY_IMAGE, Property::MAP, &SuperBlurView::SetProperty, &SuperBlurView::GetProperty );
+DALI_PROPERTY_REGISTRATION( Toolkit, SuperBlurView, "image", MAP, IMAGE )
+
+DALI_TYPE_REGISTRATION_END()
} // unnamed namespace
SuperBlurView::SuperBlurView( unsigned int blurLevels )
-: Control( CONTROL_BEHAVIOUR_NONE ),
- mBlurLevels( blurLevels ),
+: Control( ControlBehaviour( DISABLE_SIZE_NEGOTIATION ) ),
+ 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 );
+ mGaussianBlurView.assign( blurLevels, Toolkit::GaussianBlurView() );
mBlurredImage.assign( blurLevels, FrameBufferImage() );
- mImageActors.assign( blurLevels + 1, ImageActor() );
+ mRenderers.assign( blurLevels+1, Toolkit::ControlRenderer() );
}
SuperBlurView::~SuperBlurView()
void SuperBlurView::OnInitialize()
{
- mBlurStrengthPropertyIndex = Self().RegisterProperty( "blur-strength",0.f );
+ mBlurStrengthPropertyIndex = Self().RegisterProperty( "blurStrength", 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].SetParentOrigin( ParentOrigin::CENTER );
- mImageActors[i].SetZ(-static_cast<float>(i)*0.01f);
- mImageActors[i].SetColorMode( USE_OWN_MULTIPLY_PARENT_ALPHA );
- Self().Add( mImageActors[i] );
- }
+ Property::Map rendererMap;
+ rendererMap.Insert( "rendererType", "imageRenderer");
- for(unsigned int i=0; i < mBlurLevels; i++)
+ Property::Map shaderMap;
+ std::stringstream verterShaderString;
+ shaderMap[ "fragmentShader" ] = FRAGMENT_SHADER;
+ rendererMap.Insert( "shader", shaderMap );
+
+ Toolkit::RendererFactory rendererFactory = Toolkit::RendererFactory::Get();
+ for(unsigned int i=0; i<=mBlurLevels; i++)
{
- mImageActors[i].ApplyConstraint( Constraint::New<float>( Actor::COLOR_ALPHA, ParentSource( mBlurStrengthPropertyIndex ), ActorOpacityConstraint(mBlurLevels, i) ) );
+ mRenderers[i] = rendererFactory.GetControlRenderer( rendererMap );
+ mRenderers[i].SetDepthIndex(i);
}
-
- Self().SetSize(Stage::GetCurrent().GetSize());
}
void SuperBlurView::SetImage(Image inputImage)
{
- 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 " );
+ if( mTargetSize == Vector2::ZERO || mInputImage == inputImage)
+ {
+ return;
+ }
ClearBlurResource();
- mImageActors[0].SetImage( inputImage );
-
- for(unsigned int i=1; i<=mBlurLevels;i++)
- {
- mImageActors[i].SetImage( mBlurredImage[i-1] );
- }
+ mInputImage = inputImage;
+ Actor self = Self();
+ Toolkit::RendererFactory::Get().ResetRenderer( mRenderers[0], self, mInputImage );
BlurImage( 0, inputImage);
for(unsigned int i=1; i<mBlurLevels;i++)
{
- BlurImage( i, mBlurredImage[i-1]);
+ BlurImage( i, mBlurredImage[i-1]);
}
mResourcesCleared = false;
}
+Image SuperBlurView::GetImage()
+{
+ return mInputImage;
+}
+
Property::Index SuperBlurView::GetBlurStrengthPropertyIndex() const
{
return mBlurStrengthPropertyIndex;
GAUSSIAN_BLUR_DOWNSAMPLE_WIDTH_SCALE, GAUSSIAN_BLUR_DOWNSAMPLE_HEIGHT_SCALE, true );
mGaussianBlurView[idx].SetParentOrigin(ParentOrigin::CENTER);
mGaussianBlurView[idx].SetSize(mTargetSize);
+ Stage::GetCurrent().Add( mGaussianBlurView[idx] );
mGaussianBlurView[idx].SetUserImageAndOutputRenderTarget( image, 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::OnRelayout( const Vector2& size, ActorSizeContainer& container )
+void SuperBlurView::OnSizeSet( const Vector3& targetSize )
{
- unsigned int numChildren = Self().GetChildCount();
+ if( mTargetSize != Vector2(targetSize) )
+ {
+ mTargetSize = Vector2(targetSize);
- for( unsigned int i=0; i<numChildren; ++i )
+ Toolkit::RendererFactory rendererFactory = Toolkit::RendererFactory::Get();
+ Actor self = Self();
+ for(unsigned int i=1; i<=mBlurLevels;i++)
+ {
+ float exponent = static_cast<float>(i);
+ mBlurredImage[i-1] = 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 );
+ rendererFactory.ResetRenderer( mRenderers[i], self, mBlurredImage[i-1] );
+ }
+
+ if( mInputImage )
+ {
+ SetImage( mInputImage );
+ }
+
+ if( self.OnStage() )
+ {
+ for(unsigned int i=0; i<=mBlurLevels;i++)
+ {
+ mRenderers[i].SetOnStage( self );
+ }
+ }
+ }
+}
+
+void SuperBlurView::OnStageConnection( int depth )
+{
+ Control::OnStageConnection( depth );
+
+ if( mTargetSize == Vector2::ZERO )
+ {
+ return;
+ }
+
+ Actor self = Self();
+ mRenderers[0].SetOnStage( self );
+ for(unsigned int i=1; i<=mBlurLevels;i++)
{
- Self().GetChildAt(i).SetSize(size);
+ mRenderers[i].SetOnStage( self );
+
+ Renderer renderer = self.GetRendererAt( 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();
}
}
-void SuperBlurView::OnControlSizeSet( const Vector3& targetSize )
+void SuperBlurView::OnStageDisconnection( )
{
- if( mTargetSize != Vector2(targetSize) )
+ if( mTargetSize == Vector2::ZERO )
{
- mTargetSize = Vector2(targetSize);
+ return;
+ }
- for(unsigned int i=0; i<mBlurLevels;i++)
- {
- 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 );
- }
+ Actor self = Self();
+ for(unsigned int i=0; i<mBlurLevels+1;i++)
+ {
+ mRenderers[i].SetOffStage( self );
}
+
+ Control::OnStageDisconnection();
+}
+
+Vector3 SuperBlurView::GetNaturalSize()
+{
+ if( mInputImage )
+ {
+ return Vector3( mInputImage.GetWidth(), mInputImage.GetHeight(), 0.f );
+ }
+ return Vector3::ZERO;
}
void SuperBlurView::SetProperty( BaseObject* object, Property::Index propertyIndex, const Property::Value& value )
{
Toolkit::SuperBlurView superBlurView = Toolkit::SuperBlurView::DownCast( Dali::BaseHandle( object ) );
- if ( superBlurView )
+ if( superBlurView )
{
SuperBlurView& superBlurViewImpl( GetImpl( superBlurView ) );
- switch ( propertyIndex )
+ if( propertyIndex == Toolkit::SuperBlurView::Property::IMAGE )
{
- case Toolkit::SuperBlurView::PROPERTY_IMAGE:
+ Dali::Image image = Scripting::NewImage( value );
+ if ( image )
+ {
+ superBlurViewImpl.SetImage( image );
+ }
+ else
{
- Dali::Image image = Scripting::NewImage( value );
- if ( image )
- {
- superBlurViewImpl.SetImage( image );
- }
- else
- {
- DALI_LOG_ERROR( "Cannot create image from property value\n" );
- }
- break;
+ DALI_LOG_ERROR( "Cannot create image from property value\n" );
}
}
}
{
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 ) );
- switch ( propertyIndex )
+ if( propertyIndex == Toolkit::SuperBlurView::Property::IMAGE )
{
- case Toolkit::SuperBlurView::PROPERTY_IMAGE:
+ Property::Map map;
+ Image inputImage = superBlurViewImpl.GetImage();
+ if( !inputImage )
{
- Property::Map map;
- if ( !superBlurViewImpl.mImageActors.empty() && superBlurViewImpl.mImageActors[0] )
- {
- Scripting::CreatePropertyMap( superBlurViewImpl.mImageActors[0], map );
- }
- value = Property::Value( map );
- break;
+ Scripting::CreatePropertyMap( inputImage, map );
}
+ value = Property::Value( map );
}
}
projects / platform / core / uifw / dali-toolkit.git / blobdiff