Function loadDataURL

loader/gltf/loader.go:1154–1185

loadDataURL decodes the specified data URI string (base64).

(url string)

// loadDataURL decodes the specified data URI string (base64).
func loadDataURL(url string) ([]byte, error) {

	var du dataURL
	err := parseDataURL(url, &du)
	if err != nil {
		return nil, err
	}

	// Checks for valid media type
	found := false
	for i := 0; i < len(validMediaTypes); i++ {
		if validMediaTypes[i] == du.MediaType {
			found = true
			break
		}
	}
	if !found {
		return nil, fmt.Errorf("data URI media type:%s not supported", du.MediaType)
	}

	// Checks encoding
	if du.Encoding != "base64" {
		return nil, fmt.Errorf("data URI encoding:%s not supported", du.Encoding)
	}

	// Decodes data from BASE64
	data, err := base64.StdEncoding.DecodeString(du.Data)
	if err != nil {
		return nil, err
	}
	return data, nil
}

// parseDataURL tries to parse the specified string as a data URL with the format:
// data:[<mediatype>][;base64],<data>