package bimg type ImageType int const ( UNKNOWN ImageType = iota JPEG WEBP PNG TIFF MAGICK ) func DetermineImageType(buf []byte) ImageType { return vipsImageType(buf) } func DetermineImageTypeName(buf []byte) string { imageCode := vipsImageType(buf) imageType := "unknown" switch { case imageCode == JPEG: imageType = "jpeg" break case imageCode == WEBP: imageType = "webp" break case imageCode == PNG: imageType = "png" break case imageCode == TIFF: imageType = "tiff" break case imageCode == MAGICK: imageType = "magick" break } return imageType } func IsTypeSupported(t ImageType) bool { return t == JPEG || t == PNG || t == WEBP } func IsTypeNameSupported(t string) bool { return t == "jpeg" || t == "jpg" || t == "png" || t == "webp" }