THPDFJpegReducedDecodeStatus

THPDFJpegReducedDecodeStatus =
  (jrdsCompleted, jrdsCancelled, jrdsFailed);

• jrdsCompleted 表示精確的目標點陣圖已就緒
• jrdsCancelled 表示取消 Callback 在掃描線之間中止了解碼
• jrdsFailed 表示驗證或原生解碼失敗，ErrorMessage 內含診斷資訊

參見 THPDFJpegReducedDecoder.Decode