#include <dl_blur_image_filter.h>

Inheritance diagram for flutter::DlBlurImageFilter:

Public Member Functions
	DlBlurImageFilter (DlScalar sigma_x, DlScalar sigma_y, DlTileMode tile_mode)

	DlBlurImageFilter (const DlBlurImageFilter *filter)

	DlBlurImageFilter (const DlBlurImageFilter &filter)

std::shared_ptr< DlImageFilter >	shared () const override

DlImageFilterType	type () const override

size_t	size () const override

const DlBlurImageFilter *	asBlur () const override

bool	modifies_transparent_black () const override

DlRect *	map_local_bounds (const DlRect &input_bounds, DlRect &output_bounds) const override

DlIRect *	map_device_bounds (const DlIRect &input_bounds, const DlMatrix &ctm, DlIRect &output_bounds) const override

DlIRect *	get_input_device_bounds (const DlIRect &output_bounds, const DlMatrix &ctm, DlIRect &input_bounds) const override

DlScalar	sigma_x () const

DlScalar	sigma_y () const

DlTileMode	tile_mode () const

Public Member Functions inherited from flutter::DlImageFilter
virtual const DlDilateImageFilter *	asDilate () const

virtual const DlErodeImageFilter *	asErode () const

virtual const DlMatrixImageFilter *	asMatrix () const

virtual const DlLocalMatrixImageFilter *	asLocalMatrix () const

virtual std::shared_ptr< DlImageFilter >	makeWithLocalMatrix (const DlMatrix &matrix) const

virtual const DlComposeImageFilter *	asCompose () const

virtual const DlColorFilterImageFilter *	asColorFilter () const

virtual const DlRuntimeEffectImageFilter *	asRuntimeEffectFilter () const

virtual MatrixCapability	matrix_capability () const

Public Member Functions inherited from flutter::DlAttribute< DlImageFilter, DlImageFilterType >
bool	operator== (DlImageFilter const &other) const

bool	operator!= (DlImageFilter const &other) const

virtual	~DlAttribute ()=default

Static Public Member Functions
static std::shared_ptr< DlImageFilter >	Make (DlScalar sigma_x, DlScalar sigma_y, DlTileMode tile_mode)

Static Public Member Functions inherited from flutter::DlImageFilter
static std::shared_ptr< DlImageFilter >	MakeBlur (DlScalar sigma_x, DlScalar sigma_y, DlTileMode tile_mode)

static std::shared_ptr< DlImageFilter >	MakeDilate (DlScalar radius_x, DlScalar radius_y)

static std::shared_ptr< DlImageFilter >	MakeErode (DlScalar radius_x, DlScalar radius_y)

static std::shared_ptr< DlImageFilter >	MakeMatrix (const DlMatrix &matrix, DlImageSampling sampling)

static std::shared_ptr< DlImageFilter >	MakeRuntimeEffect (sk_sp< DlRuntimeEffect > runtime_effect, std::vector< std::shared_ptr< DlColorSource > > samplers, std::shared_ptr< std::vector< uint8_t > > uniform_data)

static std::shared_ptr< DlImageFilter >	MakeColorFilter (const std::shared_ptr< const DlColorFilter > &filter)

static std::shared_ptr< DlImageFilter >	MakeCompose (const std::shared_ptr< DlImageFilter > &outer, const std::shared_ptr< DlImageFilter > &inner)

Protected Member Functions
bool	equals_ (const DlImageFilter &other) const override

Additional Inherited Members
Public Types inherited from flutter::DlImageFilter
enum class	MatrixCapability { kTranslate , kScaleTranslate , kComplex }

Static Protected Member Functions inherited from flutter::DlImageFilter
static DlVector2	map_vectors_affine (const DlMatrix &ctm, DlScalar x, DlScalar y)

static DlIRect *	inset_device_bounds (const DlIRect &input_bounds, DlScalar radius_x, DlScalar radius_y, const DlMatrix &ctm, DlIRect &output_bounds)

static DlIRect *	outset_device_bounds (const DlIRect &input_bounds, DlScalar radius_x, DlScalar radius_y, const DlMatrix &ctm, DlIRect &output_bounds)

Detailed Description

Definition at line 14 of file dl_blur_image_filter.h.

Constructor & Destructor Documentation

◆ DlBlurImageFilter() [1/3]

flutter::DlBlurImageFilter::DlBlurImageFilter	(	DlScalar	sigma_x,
		DlScalar	sigma_y,
		DlTileMode	tile_mode
	)

inline

Definition at line 16 of file dl_blur_image_filter.h.

17 : sigma_x_(sigma_x), sigma_y_(sigma_y), tile_mode_(tile_mode) {}

flutter::DlBlurImageFilter::sigma_x

DlScalar sigma_x() const

Definition dl_blur_image_filter.h:51

flutter::DlBlurImageFilter::sigma_y

DlScalar sigma_y() const

Definition dl_blur_image_filter.h:52

flutter::DlBlurImageFilter::tile_mode

DlTileMode tile_mode() const

Definition dl_blur_image_filter.h:53

◆ DlBlurImageFilter() [2/3]

flutter::DlBlurImageFilter::DlBlurImageFilter ( const DlBlurImageFilter * filter )

inlineexplicit

Definition at line 18 of file dl_blur_image_filter.h.

      : DlBlurImageFilter(filter->sigma_x_,
                          filter->sigma_y_,
                          filter->tile_mode_) {}

◆ DlBlurImageFilter() [3/3]

flutter::DlBlurImageFilter::DlBlurImageFilter ( const DlBlurImageFilter & filter )

inline

Definition at line 22 of file dl_blur_image_filter.h.

23 : DlBlurImageFilter(&filter) {}

Member Function Documentation

◆ asBlur()

const DlBlurImageFilter * flutter::DlBlurImageFilter::asBlur ( ) const

inlineoverridevirtual

Reimplemented from flutter::DlImageFilter.

Definition at line 36 of file dl_blur_image_filter.h.

36{ return this; }

Referenced by flutter::testing::TEST().

◆ equals_()

bool flutter::DlBlurImageFilter::equals_ ( const DlImageFilter & other ) const

overrideprotectedvirtual

Implements flutter::DlAttribute< DlImageFilter, DlImageFilterType >.

Definition at line 44 of file dl_blur_image_filter.cc.

                                                                {
  FML_DCHECK(other.type() == DlImageFilterType::kBlur);
  auto that = static_cast<const DlBlurImageFilter*>(&other);
  return (DlScalarNearlyEqual(sigma_x_, that->sigma_x_) &&
          DlScalarNearlyEqual(sigma_y_, that->sigma_y_) &&
          tile_mode_ == that->tile_mode_);
}

References flutter::DlScalarNearlyEqual(), FML_DCHECK, flutter::kBlur, and flutter::DlAttribute< D, T >::type().

◆ get_input_device_bounds()

DlIRect * flutter::DlBlurImageFilter::get_input_device_bounds	(	const DlIRect &	output_bounds,
		const DlMatrix &	ctm,
		DlIRect &	input_bounds
	)		const

overridevirtual

Implements flutter::DlImageFilter.

Definition at line 36 of file dl_blur_image_filter.cc.

                                 {
  // Blurs are symmetric in terms of output-for-input and input-for-output
  return map_device_bounds(output_bounds, ctm, input_bounds);
}

References map_device_bounds().

◆ Make()

std::shared_ptr< DlImageFilter > flutter::DlBlurImageFilter::Make	(	DlScalar	sigma_x,
		DlScalar	sigma_y,
		DlTileMode	tile_mode
	)

static

Definition at line 9 of file dl_blur_image_filter.cc.

                                                                             {
  if (!std::isfinite(sigma_x) || !std::isfinite(sigma_y)) {
    return nullptr;
  }
  if (sigma_x < SK_ScalarNearlyZero && sigma_y < SK_ScalarNearlyZero) {
    return nullptr;
  }
  sigma_x = (sigma_x < SK_ScalarNearlyZero) ? 0 : sigma_x;
  sigma_y = (sigma_y < SK_ScalarNearlyZero) ? 0 : sigma_y;
  return std::make_shared<DlBlurImageFilter>(sigma_x, sigma_y, tile_mode);
}

References sigma_x(), sigma_y(), and tile_mode().

Referenced by flutter::ImageFilter::filter(), flutter::ImageFilter::initBlur(), flutter::DlImageFilter::MakeBlur(), impeller::interop::ImageFilter::MakeBlur(), and flutter::testing::TEST().

◆ map_device_bounds()

DlIRect * flutter::DlBlurImageFilter::map_device_bounds	(	const DlIRect &	input_bounds,
		const DlMatrix &	ctm,
		DlIRect &	output_bounds
	)		const

overridevirtual

Implements flutter::DlImageFilter.

Definition at line 29 of file dl_blur_image_filter.cc.

                                                                            {
  return outset_device_bounds(input_bounds, sigma_x_ * 3.0f, sigma_y_ * 3.0f,
                              ctm, output_bounds);
}

References flutter::DlImageFilter::outset_device_bounds().

Referenced by get_input_device_bounds().

◆ map_local_bounds()

DlRect * flutter::DlBlurImageFilter::map_local_bounds	(	const DlRect &	input_bounds,
		DlRect &	output_bounds
	)		const

overridevirtual

Implements flutter::DlImageFilter.

Definition at line 23 of file dl_blur_image_filter.cc.

                                                                         {
  output_bounds = input_bounds.Expand(sigma_x_ * 3.0f, sigma_y_ * 3.0f);
  return &output_bounds;
}

References impeller::TRect< T >::Expand().

◆ modifies_transparent_black()

bool flutter::DlBlurImageFilter::modifies_transparent_black ( ) const

inlineoverridevirtual

Implements flutter::DlImageFilter.

Definition at line 38 of file dl_blur_image_filter.h.

38{ return false; }

◆ shared()

std::shared_ptr< DlImageFilter > flutter::DlBlurImageFilter::shared ( ) const

inlineoverridevirtual

Implements flutter::DlAttribute< DlImageFilter, DlImageFilterType >.

Definition at line 29 of file dl_blur_image_filter.h.

                                                       {
    return std::make_shared<DlBlurImageFilter>(this);
  }

Referenced by flutter::testing::TEST(), and impeller::testing::TEST_P().

◆ sigma_x()

DlScalar flutter::DlBlurImageFilter::sigma_x ( ) const

inline

Definition at line 51 of file dl_blur_image_filter.h.

51{ return sigma_x_; }

Referenced by flutter::ImageFilter::filter(), Make(), flutter::testing::DisplayListStreamDispatcher::out(), flutter::testing::TEST(), and flutter::ToSk().

◆ sigma_y()

DlScalar flutter::DlBlurImageFilter::sigma_y ( ) const

inline

Definition at line 52 of file dl_blur_image_filter.h.

52{ return sigma_y_; }

Referenced by flutter::ImageFilter::filter(), Make(), flutter::testing::DisplayListStreamDispatcher::out(), flutter::testing::TEST(), and flutter::ToSk().

◆ size()

size_t flutter::DlBlurImageFilter::size ( ) const

inlineoverridevirtual

Implements flutter::DlAttribute< DlImageFilter, DlImageFilterType >.

Definition at line 34 of file dl_blur_image_filter.h.

34{ return sizeof(*this); }

◆ tile_mode()

DlTileMode flutter::DlBlurImageFilter::tile_mode ( ) const

inline

Definition at line 53 of file dl_blur_image_filter.h.

53{ return tile_mode_; }

Referenced by flutter::ImageFilter::filter(), Make(), flutter::testing::DisplayListStreamDispatcher::out(), flutter::DlSkCanvasDispatcher::saveLayer(), flutter::DlSkCanvasAdapter::SaveLayer(), flutter::testing::TEST(), and flutter::ToSk().

◆ type()

DlImageFilterType flutter::DlBlurImageFilter::type ( ) const

inlineoverridevirtual

Implements flutter::DlAttribute< DlImageFilter, DlImageFilterType >.

Definition at line 33 of file dl_blur_image_filter.h.

33{ return DlImageFilterType::kBlur; }

References flutter::kBlur.

The documentation for this class was generated from the following files:

display_list/effects/image_filters/dl_blur_image_filter.h
display_list/effects/image_filters/dl_blur_image_filter.cc

Public Member Functions

Static Public Member Functions

Protected Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ DlBlurImageFilter() [1/3]

◆ DlBlurImageFilter() [2/3]

◆ DlBlurImageFilter() [3/3]

Member Function Documentation

◆ asBlur()

◆ equals_()

◆ get_input_device_bounds()

◆ Make()

◆ map_device_bounds()

◆ map_local_bounds()

◆ modifies_transparent_black()

◆ shared()

◆ sigma_x()

◆ sigma_y()

◆ size()

◆ tile_mode()

◆ type()