thumbnail

type Options struct {
	// Width and Height are the optional maximum sizes of output image,
	// in pixels.  If Crop is false, the original aspect ratio is
	// preserved and the more restrictive of Width or Height are used.
	Width  int
	Height int
	// Crop enables crop mode, where exact supplied Width:Height aspect
	// ratio is preserved and excess pixels are trimmed from the sides.
	Crop bool
	// Sharpen runs a mild sharpening pass on downsampled images.
	Sharpen bool
	// BlurSigma performs a gaussian blur with specified sigma.
	BlurSigma float64
	// MaxBufferPixels specifies how large of an intermediate image
	// buffer to allow, in pixels. RAM usage will be a few bytes per pixel.
	MaxBufferPixels int
	// MaxQueueDuration limits the amount of time spent in a queue before processing starts.
	MaxQueueDuration time.Duration
	// MaxProcessingDuration limits the amount of time processing an
	// image, after which it is assumed the operation has crashed and
	// the server aborts, killing all outstanding requests.
	MaxProcessingDuration time.Duration
	// Save specifies the format.SaveOptions to use when compressing the modified image.
	Save format.SaveOptions
}

type Pool struct {
	RequestCh chan *Request
	// contains filtered or unexported fields
}

type Proxy struct {
	Director  func(*http.Request) (Options, int)
	Client    *http.Client
	Accept    string
	Server    string
	UserAgent string
	// contains filtered or unexported fields
}

type Request struct {
	Blob       []byte
	Options    Options
	Context    context.Context
	ResponseCh chan<- *Response
}

type Response struct {
	Blob  []byte
	Error error
}