THPDFJBIG2Encoder.EncodePagesToByteArrays Method

Encodes all supplied bilevel pages as one trained JBIG2 batch and returns shared global data

Declaration

Function EncodePagesToByteArrays(Const Pages: TJBIG2BatchPageArray;
  Var ImageData: TJBIG2EncodedPageArray;
  Var GlobalData: TJBIG2ByteArray;
  Var Statistics: TJBIG2BatchEncodeStatistics;
  Const Options: TJBIG2EncodeOptions;
  Const BatchOptions: TJBIG2BatchEncodeOptions): Boolean;

Unit

HPDFJBIG2

Behavior

• Validates every dimension, scanline width, page limit, and aggregate pixel limit before encoding
• Uses the registered external batch backend first and trains repeated symbols across the complete page set
• Uses the native symbol accumulator when the external backend is unavailable and AllowNativeFallback is enabled
• Returns page streams in input order and one nonempty global dictionary shared by the batch
• Clears outputs and fails without partial results when validation or encoding fails

Statistics

TJBIG2BatchEncodeStatistics reports backend choice, page and input sizes, page and global output bytes, native symbol count, and budget rejection

Related APIs

• THotPDF.AddJBIG2ImageBatch Method
• THotPDF.AddJBIG2BitmapBatch Method
• THPDFJBIG2Encoder.EncodeToByteArray Method