thumb

Documentation

Index

• Variables
• type Thumbnail
  • func Get(img io.Reader, label string) (*Thumbnail, error)
  • func GetFromURL(ctx context.Context, url, label string) (*Thumbnail, error)
  • func (t Thumbnail) ServeHTTP(w http.ResponseWriter, r *http.Request)

Variables

var (
	// Size is max width or height of the thumbnail image
	Size uint = 256
	// Quality is the thumbnail jpeg quality
	Quality int = 90
)

var Font, _ = freetype.ParseFont(fontBytes)

Font - Bitstream Vera

Types

type Thumbnail

type Thumbnail struct {
	Data   []byte          `json:"data"`
	MIME   string          `json:"mime"`
	Bounds image.Rectangle `json:"bounds"`
}

Thumbnail contains a thumbnail image in bytes + the MIME type and bounds

func Get

func Get(img io.Reader, label string) (*Thumbnail, error)

Get reads an image from an io.Reader and returns the thumbnail

func GetFromURL

func GetFromURL(ctx context.Context, url, label string) (*Thumbnail, error)

GetFromURL downloads the image at the given URL and returns the thumbnail

func (Thumbnail) ServeHTTP

func (t Thumbnail) ServeHTTP(w http.ResponseWriter, r *http.Request)