imagefilter

Documentation

Index

• Variables
• func Register(filterType FilterType, filter Filter)
• type BlackAndWhiteFilter
  • func (bwf BlackAndWhiteFilter) Apply(img image.Image) image.Image
• type Filter
  • func Get(filterType FilterType) Filter
• type FilterType
• type SepiaFilter
  • func (sf *SepiaFilter) Apply(img image.Image) image.Image
• type VignetteFilter
  • func (vf *VignetteFilter) Apply(img image.Image) image.Image

Variables

var Filters = make(map[FilterType]Filter)

Functions

func Register

func Register(filterType FilterType, filter Filter)

Types

type BlackAndWhiteFilter

type BlackAndWhiteFilter struct{}

func (BlackAndWhiteFilter) Apply

func (bwf BlackAndWhiteFilter) Apply(img image.Image) image.Image

type Filter

type Filter interface {
	Apply(image.Image) image.Image
}

Filter is the interface that wraps the Apply method.

func Get

func Get(filterType FilterType) Filter

type FilterType

type FilterType int

FilterType defines the type of filter to apply to the image.

const (
	NoFilter FilterType = iota
	// BlackAndWhite applies a black and white filter.
	BlackAndWhite
	Vignette
	Sepia
)

type SepiaFilter

type SepiaFilter struct{}

func (*SepiaFilter) Apply

func (sf *SepiaFilter) Apply(img image.Image) image.Image

type VignetteFilter

type VignetteFilter struct{}

func (*VignetteFilter) Apply

func (vf *VignetteFilter) Apply(img image.Image) image.Image