data

type Image struct {
	// URL of original remote image.
	URL string

	// Expires is the cache expiration time for the original image, as
	// returned by the remote server.
	Expires time.Time

	// Etag returned from server when fetching image.
	Etag string

	// Bytes contains the actual image.
	Bytes []byte
}

type Options struct {
	Width  float64 // requested width, in pixels
	Height float64 // requested height, in pixels

	// If true, resize the image to fit in the specified dimensions.  Image
	// will not be cropped, and aspect ratio will be maintained.
	Fit bool

	// Rotate image the specified degrees counter-clockwise.  Valid values are 90, 180, 270.
	Rotate int

	FlipVertical   bool
	FlipHorizontal bool
}

type Request struct {
	URL     *url.URL // URL of the image to proxy
	Options *Options // Image transformation to perform
}