image

Documentation

Index

• func GetDimensions(file io.Reader) (int, int, error)
• func Resize(input io.ReadSeeker, format Format) (io.ReadSeekCloser, error)
• func ShrinkKeepAspect(width, height uint) []string
• func ThumbnailerInstalled()
• type ErrNoThumbnailer
  • func (e ErrNoThumbnailer) Error() string
• type FFmpeg
  • func FFmpegThumbnailer() FFmpeg
  • func (ffm FFmpeg) Accepts(mime string) bool
  • func (ffm FFmpeg) Resize(input io.ReadSeeker, format Format) (io.ReadSeekCloser, error)
• type Format
• type ImageMagick
  • func ImageMagickThumbnailer() ImageMagick
  • func (i ImageMagick) Accepts(mime string) bool
  • func (i ImageMagick) Resize(input io.ReadSeeker, format Format) (io.ReadSeekCloser, error)
• type ResizeFunc
• type Thumbnailer

Functions

func GetDimensions

func GetDimensions(file io.Reader) (int, int, error)

func Resize

func Resize(input io.ReadSeeker, format Format) (io.ReadSeekCloser, error)

func ShrinkKeepAspect

func ShrinkKeepAspect(width, height uint) []string

func ThumbnailerInstalled

func ThumbnailerInstalled()

Types

type ErrNoThumbnailer

type ErrNoThumbnailer string

func (ErrNoThumbnailer) Error

func (e ErrNoThumbnailer) Error() string

type FFmpeg

type FFmpeg struct {
	Accept map[string]struct{}
}

func FFmpegThumbnailer

func FFmpegThumbnailer() FFmpeg

func (FFmpeg) Accepts

func (ffm FFmpeg) Accepts(mime string) bool

func (FFmpeg) Resize

func (ffm FFmpeg) Resize(input io.ReadSeeker, format Format) (io.ReadSeekCloser, error)

type Format

type Format struct {
	Width, Height uint
	Mime          string
	Quality       int
	ResizeFunc    ResizeFunc
}

type ImageMagick

type ImageMagick struct {
	Accept map[string]struct{}
}

func ImageMagickThumbnailer

func ImageMagickThumbnailer() ImageMagick

func (ImageMagick) Accepts

func (i ImageMagick) Accepts(mime string) bool

func (ImageMagick) Resize

func (i ImageMagick) Resize(input io.ReadSeeker, format Format) (io.ReadSeekCloser, error)

type ResizeFunc

type ResizeFunc func(width, height uint) []string

type Thumbnailer

type Thumbnailer interface {
	Accepts(string) bool
	Resize(io.ReadSeeker, Format) (io.ReadSeekCloser, error)
}