// vipsError converts from vips to Go errors.
func vipsError(e C.int) error {
if e == 0 {
return nil
}
// The VIPS error buffer is global, and checking and clearing it are
// not atomic. If errors are infrequent, this will probably return
// our error. It may also return nothing or unrelated errors.
// TODO: Consider vips_error_freeze() and skipping this.
s := C.GoString(C.vips_error_buffer())
C.vips_error_clear()
if s != "" {
return errors.New(s)
}
// At least return something generic.
return ErrImageOp
}
func resizeError() error {
s := C.GoString(C.vips_error_buffer())
C.vips_error_clear()
return errors.New(s)
}
func catchVipsError() error {
s := C.GoString(C.vips_error_buffer())
C.vips_error_clear()
C.vips_thread_shutdown()
return errors.New(s)
}