Compression (TFPWriterHEIF)

ro 

FramesInfo (TFPCustomImageWriter)

ro 

FramesWritten (TFPCustomImageWriter)

Lossless (TFPWriterHEIF)

Quality (TFPWriterHEIF)

pt 

ro 

TheImage (TFPCustomImageHandler)

pt 

ro 

TheStream (TFPCustomImageHandler)

UseAlpha (TFPWriterHEIF)