private static IEnumerator TesseractDownloadLangFile(String folder, String lang)
{
String subfolderName = "tessdata";
String folderName = System.IO.Path.Combine(folder, subfolderName);
if (!System.IO.Directory.Exists(folderName))
{
System.IO.Directory.CreateDirectory(folderName);
}
String dest = System.IO.Path.Combine(folderName, String.Format("{0}.traineddata", lang));
if (!System.IO.File.Exists(dest) || !(new FileInfo(dest).Length > 0))
{
String source = Tesseract.GetLangFileUrl(lang);
using (UnityEngine.Networking.UnityWebRequest webclient = new UnityEngine.Networking.UnityWebRequest(source))
{
Debug.Log(String.Format("Downloading file from '{0}' to '{1}'", source, dest));
webclient.downloadHandler = new UnityEngine.Networking.DownloadHandlerFile(dest);
yield return(webclient.SendWebRequest());
if (webclient.isNetworkError || webclient.isHttpError)
{
Debug.LogError(webclient.error);
}
if (!System.IO.File.Exists(dest) || !(new FileInfo(dest).Length > 0))
{
Debug.LogError(String.Format("File {0} is empty, failed to download file.", dest));
}
Debug.Log("File successfully downloaded and saved to " + dest);
//Debug.Log(String.Format("Download completed"));
}
}
}
