flutter::DlMatrixImageFilter Class Reference

#include <dl_matrix_image_filter.h>

Inheritance diagram for flutter::DlMatrixImageFilter:

Public Member Functions
	DlMatrixImageFilter (const DlMatrix &matrix, DlImageSampling sampling)
	DlMatrixImageFilter (const DlMatrixImageFilter *filter)
	DlMatrixImageFilter (const DlMatrixImageFilter &filter)
std::shared_ptr< DlImageFilter >	shared () const override
DlImageFilterType	type () const override
size_t	size () const override
const DlMatrix &	matrix () const
DlImageSampling	sampling () const
const DlMatrixImageFilter *	asMatrix () 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
Public Member Functions inherited from flutter::DlImageFilter
virtual const DlBlurImageFilter *	asBlur () const
virtual const DlDilateImageFilter *	asDilate () const
virtual const DlErodeImageFilter *	asErode () 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 (const DlMatrix &matrix, DlImageSampling sampling)
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_matrix_image_filter.h.

Constructor & Destructor Documentation

DlMatrixImageFilter() [1/3]

flutter::DlMatrixImageFilter::DlMatrixImageFilter ( const DlMatrix &  matrix, DlImageSampling  sampling  )

inline

Definition at line 16 of file dl_matrix_image_filter.h.

      : matrix_(matrix), sampling_(sampling) {}

DlMatrixImageFilter() [2/3]

flutter::DlMatrixImageFilter::DlMatrixImageFilter ( const DlMatrixImageFilter *  filter )

inlineexplicit

Definition at line 18 of file dl_matrix_image_filter.h.

      : DlMatrixImageFilter(filter->matrix_, filter->sampling_) {}

DlMatrixImageFilter() [3/3]

flutter::DlMatrixImageFilter::DlMatrixImageFilter ( const DlMatrixImageFilter &  filter )

inline

Definition at line 20 of file dl_matrix_image_filter.h.

      : DlMatrixImageFilter(&filter) {}

Member Function Documentation

asMatrix()

const DlMatrixImageFilter * flutter::DlMatrixImageFilter::asMatrix ( ) const

inlineoverridevirtual

Reimplemented from flutter::DlImageFilter.

Definition at line 36 of file dl_matrix_image_filter.h.

{ return this; }

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

equals_()

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

overrideprotectedvirtual

Implements flutter::DlAttribute< DlImageFilter, DlImageFilterType >.

Definition at line 54 of file dl_matrix_image_filter.cc.

                                                                  {
  FML_DCHECK(other.type() == DlImageFilterType::kMatrix);
  auto that = static_cast<const DlMatrixImageFilter*>(&other);
  return (matrix_ == that->matrix_ && sampling_ == that->sampling_);
}

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

get_input_device_bounds()

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

overridevirtual

Implements flutter::DlImageFilter.

Definition at line 38 of file dl_matrix_image_filter.cc.

                                 {
  DlMatrix matrix = ctm * matrix_;
  if (!matrix.IsInvertible()) {
    input_bounds = output_bounds;
    return nullptr;
  }
  DlMatrix inverse = ctm * matrix.Invert();
  DlRect bounds = DlRect::Make(output_bounds);
  bounds = bounds.TransformAndClipBounds(inverse);
  input_bounds = DlIRect::RoundOut(bounds);
  return &input_bounds;
}

References impeller::Matrix::Invert(), impeller::Matrix::IsInvertible(), impeller::TRect< Scalar >::Make(), matrix(), impeller::TRect< T >::RoundOut(), and impeller::TRect< T >::TransformAndClipBounds().

Make()

std::shared_ptr< DlImageFilter > flutter::DlMatrixImageFilter::Make ( const DlMatrix &  matrix, DlImageSampling  sampling  )

static

Definition at line 9 of file dl_matrix_image_filter.cc.

                              {
  if (matrix.IsFinite() && !matrix.IsIdentity()) {
    return std::make_shared<DlMatrixImageFilter>(matrix, sampling);
  }
  return nullptr;
}

References impeller::Matrix::IsFinite(), impeller::Matrix::IsIdentity(), matrix(), and sampling().

Referenced by flutter::ImageFilter::initMatrix(), flutter::DlImageFilter::MakeMatrix(), impeller::interop::ImageFilter::MakeMatrix(), and impeller::testing::TEST_P().

map_device_bounds()

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

overridevirtual

Implements flutter::DlImageFilter.

Definition at line 24 of file dl_matrix_image_filter.cc.

                                                                              {
  if (!ctm.IsInvertible()) {
    output_bounds = input_bounds;
    return nullptr;
  }
  DlMatrix matrix = ctm * matrix_ * ctm.Invert();
  DlRect device_rect =
      DlRect::Make(input_bounds).TransformAndClipBounds(matrix);
  output_bounds = DlIRect::RoundOut(device_rect);
  return &output_bounds;
}

References impeller::Matrix::Invert(), impeller::Matrix::IsInvertible(), impeller::TRect< Scalar >::Make(), matrix(), impeller::TRect< T >::RoundOut(), and impeller::TRect< T >::TransformAndClipBounds().

map_local_bounds()

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

overridevirtual

Implements flutter::DlImageFilter.

Definition at line 18 of file dl_matrix_image_filter.cc.

                                                                           {
  output_bounds = input_bounds.TransformAndClipBounds(matrix_);
  return &output_bounds;
}

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

matrix()

const DlMatrix & flutter::DlMatrixImageFilter::matrix ( ) const

inline

Definition at line 33 of file dl_matrix_image_filter.h.

{ return matrix_; }

Referenced by get_input_device_bounds(), Make(), map_device_bounds(), flutter::testing::DisplayListStreamDispatcher::out(), flutter::testing::TEST(), and flutter::ToSk().

modifies_transparent_black()

bool flutter::DlMatrixImageFilter::modifies_transparent_black ( ) const

inlineoverridevirtual

Implements flutter::DlImageFilter.

Definition at line 38 of file dl_matrix_image_filter.h.

{ return false; }

sampling()

DlImageSampling flutter::DlMatrixImageFilter::sampling ( ) const

inline

Definition at line 34 of file dl_matrix_image_filter.h.

{ return sampling_; }

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

shared()

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

inlineoverridevirtual

Implements flutter::DlAttribute< DlImageFilter, DlImageFilterType >.

Definition at line 26 of file dl_matrix_image_filter.h.

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

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

size()

size_t flutter::DlMatrixImageFilter::size ( ) const

inlineoverridevirtual

Implements flutter::DlAttribute< DlImageFilter, DlImageFilterType >.

Definition at line 31 of file dl_matrix_image_filter.h.

{ return sizeof(*this); }

type()

DlImageFilterType flutter::DlMatrixImageFilter::type ( ) const

inlineoverridevirtual

Implements flutter::DlAttribute< DlImageFilter, DlImageFilterType >.

Definition at line 30 of file dl_matrix_image_filter.h.

{ return DlImageFilterType::kMatrix; }

References flutter::kMatrix.

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

• display_list/effects/image_filters/dl_matrix_image_filter.h
• display_list/effects/image_filters/dl_matrix_image_filter.cc