image パッケージは、画像関連サービスを提供します。
関数
func DeleteServingURL
DeleteServingURL は、画像の提供 URL を削除します。
func ServingURL
func ServingURL(c context.Context, key appengine.BlobKey, opts *ServingURLOptions) (*url.URL, error)
ServingURL は、Blobstore から画像を提供する URL を返します。
ServingURLOptions
type ServingURLOptions struct {
Secure bool // whether the URL should use HTTPS
// Size must be between zero and 1600.
// If Size is non-zero, a resized version of the image is served,
// and Size is the served image's longest dimension. The aspect ratio is preserved.
// If Crop is true the image is cropped from the center instead of being resized.
Size int
Crop bool
}