Parameters for a feFuncR/G/B/A child element within feComponentTransfer. More...

#include "donner/svg/components/filter/FilterPrimitiveComponent.h"

Collaboration diagram for donner::svg::components::FEFuncComponent:

Public Types
enum class	Channel : std::uint8_t { R , G , B , A }
	Which channel this function applies to.
enum class	FuncType : std::uint8_t { Identity , Table , Discrete , Linear , Gamma }
	Transfer function type. More...

Public Member Functions
	FEFuncComponent (Channel ch)

Public Attributes
Channel	channel
	Which channel this applies to.
FuncType	type = FuncType::Identity
	Transfer function type.
std::vector< double >	tableValues
	Values for table/discrete types.
double	slope = 1.0
	Slope for linear type.
double	intercept = 0.0
	Intercept for linear type.
double	amplitude = 1.0
	Amplitude for gamma type.
double	exponent = 1.0
	Exponent for gamma type.
double	offset = 0.0
	Offset for gamma type.

Detailed Description

Parameters for a feFuncR/G/B/A child element within feComponentTransfer.

Each func element defines a transfer function for one RGBA channel.

Member Enumeration Documentation

strong

Transfer function type.

Enumerator
Identity	No change.
Table	Piecewise linear lookup.
Discrete	Step function lookup.
Linear	slope * C + intercept.
Gamma	amplitude * pow(C, exponent) + offset.

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