flutter::DlMatrixImageFilter Class Reference

#include <dl_image_filter.h>

Inheritance diagram for flutter::DlMatrixImageFilter:

Public Member Functions
	DlMatrixImageFilter (const SkMatrix &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 SkMatrix &	matrix () const
DlImageSampling	sampling () const
const DlMatrixImageFilter *	asMatrix () const override
bool	modifies_transparent_black () const override
SkRect *	map_local_bounds (const SkRect &input_bounds, SkRect &output_bounds) const override
SkIRect *	map_device_bounds (const SkIRect &input_bounds, const SkMatrix &ctm, SkIRect &output_bounds) const override
SkIRect *	get_input_device_bounds (const SkIRect &output_bounds, const SkMatrix &ctm, SkIRect &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 SkMatrix &matrix) const
virtual const DlComposeImageFilter *	asCompose () const
virtual const DlColorFilterImageFilter *	asColorFilter () 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 SkMatrix &matrix, DlImageSampling sampling)

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 SkVector	map_vectors_affine (const SkMatrix &ctm, SkScalar x, SkScalar y)
static SkIRect *	inset_device_bounds (const SkIRect &input_bounds, SkScalar radius_x, SkScalar radius_y, const SkMatrix &ctm, SkIRect &output_bounds)
static SkIRect *	outset_device_bounds (const SkIRect &input_bounds, SkScalar radius_x, SkScalar radius_y, const SkMatrix &ctm, SkIRect &output_bounds)

Detailed Description

Definition at line 422 of file dl_image_filter.h.

Constructor & Destructor Documentation

DlMatrixImageFilter() [1/3]

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

inline

Definition at line 424 of file dl_image_filter.h.

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

DlMatrixImageFilter() [2/3]

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

inlineexplicit

Definition at line 426 of file dl_image_filter.h.

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

DlMatrixImageFilter() [3/3]

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

inline

Definition at line 428 of file dl_image_filter.h.

      : DlMatrixImageFilter(&filter) {}

Member Function Documentation

asMatrix()

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

inlineoverridevirtual

Reimplemented from flutter::DlImageFilter.

Definition at line 449 of file dl_image_filter.h.

{ return this; }

equals_()

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

inlineoverrideprotectedvirtual

Implements flutter::DlAttribute< DlImageFilter, DlImageFilterType >.

Definition at line 493 of file dl_image_filter.h.

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

get_input_device_bounds()

SkIRect * flutter::DlMatrixImageFilter::get_input_device_bounds ( const SkIRect &  output_bounds, const SkMatrix &  ctm, SkIRect &  input_bounds  ) const

inlineoverridevirtual

Implements flutter::DlImageFilter.

Definition at line 475 of file dl_image_filter.h.

                                                                         {
    SkMatrix matrix = SkMatrix::Concat(ctm, matrix_);
    SkMatrix inverse;
    if (!matrix.invert(&inverse)) {
      input_bounds = output_bounds;
      return nullptr;
    }
    inverse.postConcat(ctm);
    SkRect bounds;
    bounds.set(output_bounds);
    inverse.mapRect(&bounds);
    input_bounds = bounds.roundOut();
    return &input_bounds;
  }

Make()

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

inlinestatic

Definition at line 431 of file dl_image_filter.h.

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

map_device_bounds()

SkIRect * flutter::DlMatrixImageFilter::map_device_bounds ( const SkIRect &  input_bounds, const SkMatrix &  ctm, SkIRect &  output_bounds  ) const

inlineoverridevirtual

Implements flutter::DlImageFilter.

Definition at line 459 of file dl_image_filter.h.

                                                                    {
    SkMatrix matrix;
    if (!ctm.invert(&matrix)) {
      output_bounds = input_bounds;
      return nullptr;
    }
    matrix.postConcat(matrix_);
    matrix.postConcat(ctm);
    SkRect device_rect;
    matrix.mapRect(&device_rect, SkRect::Make(input_bounds));
    output_bounds = device_rect.roundOut();
    return &output_bounds;
  }

map_local_bounds()

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

inlineoverridevirtual

Implements flutter::DlImageFilter.

Definition at line 453 of file dl_image_filter.h.

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

matrix()

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

inline

Definition at line 446 of file dl_image_filter.h.

{ return matrix_; }

modifies_transparent_black()

bool flutter::DlMatrixImageFilter::modifies_transparent_black ( ) const

inlineoverridevirtual

Implements flutter::DlImageFilter.

Definition at line 451 of file dl_image_filter.h.

{ return false; }

sampling()

DlImageSampling flutter::DlMatrixImageFilter::sampling ( ) const

inline

Definition at line 447 of file dl_image_filter.h.

{ return sampling_; }

shared()

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

inlineoverridevirtual

Implements flutter::DlAttribute< DlImageFilter, DlImageFilterType >.

Definition at line 439 of file dl_image_filter.h.

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

size()

size_t flutter::DlMatrixImageFilter::size ( ) const

inlineoverridevirtual

Implements flutter::DlAttribute< DlImageFilter, DlImageFilterType >.

Definition at line 444 of file dl_image_filter.h.

{ return sizeof(*this); }

type()

DlImageFilterType flutter::DlMatrixImageFilter::type ( ) const

inlineoverridevirtual

Implements flutter::DlAttribute< DlImageFilter, DlImageFilterType >.

Definition at line 443 of file dl_image_filter.h.

{ return DlImageFilterType::kMatrix; }

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

• display_list/effects/dl_image_filter.h