#include <dl_color_source.h>

Inheritance diagram for flutter::DlGradientColorSourceBase:

Public Member Functions
bool	is_opaque () const override

bool	isGradient () const override
	If the underlying platform data represents a gradient.

DlTileMode	tile_mode () const

int	stop_count () const

const DlColor *	colors () const

const float *	stops () const

Public Member Functions inherited from flutter::DlMatrixColorSourceBase
const SkMatrix &	matrix () const

const SkMatrix *	matrix_ptr () const

Public Member Functions inherited from flutter::DlColorSource
virtual bool	isUIThreadSafe () const =0
	If the underlying platform data held by this object is held in a way that it can be stored and potentially released from the UI thread, this method returns true.

virtual const DlColorColorSource *	asColor () const

virtual const DlImageColorSource *	asImage () const

virtual const DlLinearGradientColorSource *	asLinearGradient () const

virtual const DlRadialGradientColorSource *	asRadialGradient () const

virtual const DlConicalGradientColorSource *	asConicalGradient () const

virtual const DlSweepGradientColorSource *	asSweepGradient () const

virtual const DlRuntimeEffectColorSource *	asRuntimeEffect () const

Public Member Functions inherited from flutter::DlAttribute< DlColorSource, DlColorSourceType >
virtual DlColorSourceType	type () const=0

virtual size_t	size () const=0

virtual std::shared_ptr< DlColorSource >	shared () const=0

bool	operator== (DlColorSource const &other) const

bool	operator!= (DlColorSource const &other) const

virtual	~DlAttribute ()=default

Protected Member Functions
	DlGradientColorSourceBase (uint32_t stop_count, DlTileMode tile_mode, const SkMatrix *matrix=nullptr)

size_t	vector_sizes () const

virtual const void *	pod () const =0

bool	base_equals_ (DlGradientColorSourceBase const *other_base) const

void	store_color_stops (void pod, const DlColor color_data, const float *stop_data)

Protected Member Functions inherited from flutter::DlMatrixColorSourceBase
	DlMatrixColorSourceBase (const SkMatrix *matrix)

Protected Member Functions inherited from flutter::DlColorSource
	DlColorSource ()=default

Protected Member Functions inherited from flutter::DlAttribute< DlColorSource, DlColorSourceType >
virtual bool	equals_ (DlColorSource const &other) const=0

Additional Inherited Members
Static Public Member Functions inherited from flutter::DlColorSource
static std::shared_ptr< DlLinearGradientColorSource >	MakeLinear (const SkPoint start_point, const SkPoint end_point, uint32_t stop_count, const DlColor colors, const float stops, DlTileMode tile_mode, const SkMatrix *matrix=nullptr)

static std::shared_ptr< DlRadialGradientColorSource >	MakeRadial (SkPoint center, SkScalar radius, uint32_t stop_count, const DlColor colors, const float stops, DlTileMode tile_mode, const SkMatrix *matrix=nullptr)

static std::shared_ptr< DlConicalGradientColorSource >	MakeConical (SkPoint start_center, SkScalar start_radius, SkPoint end_center, SkScalar end_radius, uint32_t stop_count, const DlColor colors, const float stops, DlTileMode tile_mode, const SkMatrix *matrix=nullptr)

static std::shared_ptr< DlSweepGradientColorSource >	MakeSweep (SkPoint center, SkScalar start, SkScalar end, uint32_t stop_count, const DlColor colors, const float stops, DlTileMode tile_mode, const SkMatrix *matrix=nullptr)

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

Detailed Description

Definition at line 285 of file dl_color_source.h.

Constructor & Destructor Documentation

◆ DlGradientColorSourceBase()

flutter::DlGradientColorSourceBase::DlGradientColorSourceBase	(	uint32_t	stop_count,
		DlTileMode	tile_mode,
		const SkMatrix *	matrix = `nullptr`
	)

inlineprotected

Definition at line 312 of file dl_color_source.h.

      : DlMatrixColorSourceBase(matrix),
        mode_(tile_mode),
        stop_count_(stop_count) {}

Member Function Documentation

◆ base_equals_()

bool flutter::DlGradientColorSourceBase::base_equals_ ( DlGradientColorSourceBase const * other_base ) const

inlineprotected

Definition at line 325 of file dl_color_source.h.

                                                                       {
    if (mode_ != other_base->mode_ || matrix() != other_base->matrix() ||
        stop_count_ != other_base->stop_count_) {
      return false;
    }
    static_assert(sizeof(colors()[0]) == 4);
    static_assert(sizeof(stops()[0]) == 4);
    int num_bytes = stop_count_ * 4;
    return (memcmp(colors(), other_base->colors(), num_bytes) == 0 &&
            memcmp(stops(), other_base->stops(), num_bytes) == 0);
  }

◆ colors()

const DlColor * flutter::DlGradientColorSourceBase::colors ( ) const

inline

Definition at line 304 of file dl_color_source.h.

                                {
    return reinterpret_cast<const DlColor*>(pod());
  }

◆ is_opaque()

bool flutter::DlGradientColorSourceBase::is_opaque ( ) const

inlineoverridevirtual

Implements flutter::DlColorSource.

Definition at line 287 of file dl_color_source.h.

                                  {
    if (mode_ == DlTileMode::kDecal) {
      return false;
    }
    const DlColor* my_colors = colors();
    for (uint32_t i = 0; i < stop_count_; i++) {
      if (my_colors[i].getAlpha() < 255) {
        return false;
      }
    }
    return true;
  }

◆ isGradient()

bool flutter::DlGradientColorSourceBase::isGradient ( ) const

inlineoverridevirtual

If the underlying platform data represents a gradient.

        TODO(matanl): Remove this flag when the Skia backend is
        removed, https://github.com/flutter/flutter/issues/112498.

Returns: True if the class represents the output of a gradient.

Reimplemented from flutter::DlColorSource.

Definition at line 300 of file dl_color_source.h.

300{ return true; }

◆ pod()

virtual const void * flutter::DlGradientColorSourceBase::pod ( ) const

protectedpure virtual

Implemented in flutter::DlLinearGradientColorSource, flutter::DlRadialGradientColorSource, flutter::DlConicalGradientColorSource, and flutter::DlSweepGradientColorSource.

◆ stop_count()

int flutter::DlGradientColorSourceBase::stop_count ( ) const

inline

Definition at line 303 of file dl_color_source.h.

303{ return stop_count_; }

◆ stops()

const float * flutter::DlGradientColorSourceBase::stops ( ) const

inline

Definition at line 307 of file dl_color_source.h.

                             {
    return reinterpret_cast<const float*>(colors() + stop_count());
  }

◆ store_color_stops()

void flutter::DlGradientColorSourceBase::store_color_stops	(	void *	pod,
		const DlColor *	color_data,
		const float *	stop_data
	)

inlineprotected

Definition at line 337 of file dl_color_source.h.

                                                 {
    DlColor* color_storage = reinterpret_cast<DlColor*>(pod);
    memcpy(color_storage, color_data, stop_count_ * sizeof(*color_data));
    float* stop_storage = reinterpret_cast<float*>(color_storage + stop_count_);
    if (stop_data) {
      memcpy(stop_storage, stop_data, stop_count_ * sizeof(*stop_data));
    } else {
      float div = stop_count_ - 1;
      if (div <= 0) {
        div = 1;
      }
      for (uint32_t i = 0; i < stop_count_; i++) {
        stop_storage[i] = i / div;
      }
    }
  }

◆ tile_mode()

DlTileMode flutter::DlGradientColorSourceBase::tile_mode ( ) const

inline

Definition at line 302 of file dl_color_source.h.

302{ return mode_; }

◆ vector_sizes()

size_t flutter::DlGradientColorSourceBase::vector_sizes ( ) const

inlineprotected

Definition at line 319 of file dl_color_source.h.

                              {
    return stop_count_ * (sizeof(DlColor) + sizeof(float));
  }

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

display_list/effects/dl_color_source.h

Public Member Functions

Protected Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ DlGradientColorSourceBase()

Member Function Documentation

◆ base_equals_()

◆ colors()

◆ is_opaque()

◆ isGradient()

◆ pod()

◆ stop_count()

◆ stops()

◆ store_color_stops()

◆ tile_mode()

◆ vector_sizes()