flip

Documentation

Index

• type Flip
  • func (f Flip) Apply(repl *caddy.Replacer, img image.Image) (image.Image, error)
• type FlipFactory
  • func (ff FlipFactory) Name() string
  • func (ff FlipFactory) New(args ...string) (imagefilter.Filter, error)
  • func (ff FlipFactory) Unmarshal(data []byte) (imagefilter.Filter, error)

Types

type Flip

type Flip struct {
	Direction string `json:"direction,omitempty"`
}

Flips flips (mirrors) a image vertically or horizontally.

func (Flip) Apply

func (f Flip) Apply(repl *caddy.Replacer, img image.Image) (image.Image, error)

Apply applies the image filter to an image and returns the new image.

type FlipFactory

type FlipFactory struct{}

FlipFactory creates Flip instances.

func (FlipFactory) Name

func (ff FlipFactory) Name() string

Name returns the name of the filter, which is also the directive used in the image filter block.

func (FlipFactory) New

func (ff FlipFactory) New(args ...string) (imagefilter.Filter, error)

New initialises and returns a configured Flip instance.

Syntax:

flip <h|v>

Parameters:

h|v determines if the image flipped horizontally or vertically.

func (FlipFactory) Unmarshal

func (ff FlipFactory) Unmarshal(data []byte) (imagefilter.Filter, error)

Unmarshal decodes JSON data and returns a Flip instance.