gothumb

package module

v0.0.0-...-9a6db75 Latest Latest Go to latest Published: Nov 21, 2020 License: MIT Imports: 14 Imported by: 1

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Repository

github.com/williamhaley/gothumb

README ¶

gothumb

Go thumbnail generator.

Install

go get github.com/koofr/gothumb

Dependencies

Gothumb depends on goepeg which depends on epeg C library. Please look at goepeg's install instructions.

https://github.com/koofr/goepeg

Install

go get github.com/koofr/goepeg

Testing

go test

Documentation ¶

Index ¶

func CanTransform(orientation int) (ok bool)
func EpegThumbnail(input string, output string, size int, quality int, scaleType goepeg.ScaleType) (err error)
func FlipH(s image.Image) (image.Image, error)
func FlipV(s image.Image) (image.Image, error)
func GenericThumbnail(input string, output string, size int, quality int, scaleType goepeg.ScaleType) (err error)
func Orientation(reader io.Reader) (orientation int, err error)
func Rotate(s image.Image, deg int) (image.Image, error)
func Thumbnail(in io.Reader, size int, quality int, scaleType goepeg.ScaleType) (out io.ReadCloser, err error)
func Transform(orientation int, transformer Transformer) error
func Transpose(s image.Image) (image.Image, error)
func Transverse(s image.Image) (image.Image, error)
type EpegTransformer
- func NewEpegTransformer(input string, output string) *EpegTransformer
type GenericTransformer
type Transformer

Constants ¶

This section is empty.

Variables ¶

This section is empty.

Functions ¶

func CanTransform ¶

func CanTransform(orientation int) (ok bool)

func EpegThumbnail ¶

func EpegThumbnail(input string, output string, size int, quality int, scaleType goepeg.ScaleType) (err error)

func FlipH ¶

func FlipH(s image.Image) (image.Image, error)

func FlipV ¶

func FlipV(s image.Image) (image.Image, error)

func GenericThumbnail ¶

func GenericThumbnail(input string, output string, size int, quality int, scaleType goepeg.ScaleType) (err error)

func Orientation ¶

func Orientation(reader io.Reader) (orientation int, err error)

func Rotate ¶

func Rotate(s image.Image, deg int) (image.Image, error)

func Thumbnail ¶

func Thumbnail(in io.Reader, size int, quality int, scaleType goepeg.ScaleType) (out io.ReadCloser, err error)

func Transform ¶

func Transform(orientation int, transformer Transformer) error

func Transpose ¶

func Transpose(s image.Image) (image.Image, error)

func Transverse ¶

func Transverse(s image.Image) (image.Image, error)

Types ¶

type EpegTransformer ¶

type EpegTransformer struct {
	In  string
	Out string
}

func NewEpegTransformer ¶

func NewEpegTransformer(input string, output string) *EpegTransformer

func (EpegTransformer) FlipH ¶

func (t EpegTransformer) FlipH() error

func (EpegTransformer) FlipV ¶

func (t EpegTransformer) FlipV() error

func (EpegTransformer) None ¶

func (t EpegTransformer) None() error

func (EpegTransformer) Rotate180 ¶

func (t EpegTransformer) Rotate180() error

func (EpegTransformer) Rotate270 ¶

func (t EpegTransformer) Rotate270() error

func (EpegTransformer) Rotate90 ¶

func (t EpegTransformer) Rotate90() error

func (EpegTransformer) Transpose ¶

func (t EpegTransformer) Transpose() error

func (EpegTransformer) Transverse ¶

func (t EpegTransformer) Transverse() error

type GenericTransformer ¶

type GenericTransformer struct {
	In  image.Image
	Out image.Image
}

func (GenericTransformer) FlipH ¶

func (t GenericTransformer) FlipH() error

func (GenericTransformer) FlipV ¶

func (t GenericTransformer) FlipV() error

func (GenericTransformer) None ¶

func (t GenericTransformer) None() error

func (GenericTransformer) Rotate180 ¶

func (t GenericTransformer) Rotate180() error

func (GenericTransformer) Rotate270 ¶

func (t GenericTransformer) Rotate270() error

func (GenericTransformer) Rotate90 ¶

func (t GenericTransformer) Rotate90() error

func (GenericTransformer) Transpose ¶

func (t GenericTransformer) Transpose() error

func (GenericTransformer) Transverse ¶

func (t GenericTransformer) Transverse() error

type Transformer ¶

type Transformer interface {
	None() error
	FlipH() error
	FlipV() error
	Transpose() error
	Rotate90() error
	Rotate180() error
	Rotate270() error
	Transverse() error
}

Source Files ¶

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Directories ¶

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