fetch

Documentation

Index

• func GetRotatedImage(src io.Reader) (image.Image, string, error)
• func ImageData(storage store.ImageStore, gc groupcache.Context) ([]byte, error)
• func PickResizer(src io.Reader, c *CacheContext) (io.Reader, error)
• func Resize(src io.Reader, c *CacheContext) (io.Reader, error)
• func ResizeGif(src io.Reader, c *CacheContext) (io.Reader, error)
• type CacheContext
  • func RequestContext(r *http.Request) *CacheContext
  • func (c *CacheContext) CacheKey() string
  • func (c *CacheContext) ReadModified(s store.ImageStore) (io.ReadCloser, error)
  • func (c *CacheContext) ReadOriginal(s store.ImageStore) (io.ReadCloser, error)
  • func (c *CacheContext) WriteModified(buf []byte, s store.ImageStore) error

Functions

func GetRotatedImage

func GetRotatedImage(src io.Reader) (image.Image, string, error)

func ImageData

func ImageData(storage store.ImageStore, gc groupcache.Context) ([]byte, error)

func PickResizer

func PickResizer(src io.Reader, c *CacheContext) (io.Reader, error)

func Resize

func Resize(src io.Reader, c *CacheContext) (io.Reader, error)

func ResizeGif

func ResizeGif(src io.Reader, c *CacheContext) (io.Reader, error)

Types

type CacheContext

type CacheContext struct {
	ImageId string
	Bucket  string
	Width   int
	Crop    bool
}

func RequestContext

func RequestContext(r *http.Request) *CacheContext

func (*CacheContext) CacheKey

func (c *CacheContext) CacheKey() string

func (*CacheContext) ReadModified

func (c *CacheContext) ReadModified(s store.ImageStore) (io.ReadCloser, error)

func (*CacheContext) ReadOriginal

func (c *CacheContext) ReadOriginal(s store.ImageStore) (io.ReadCloser, error)

func (*CacheContext) WriteModified

func (c *CacheContext) WriteModified(buf []byte, s store.ImageStore) error