Unit 'Zipper' Package
[Overview][Constants][Types][Classes][Index] [#fcl]

TCompressor

[Properties (by Name)] [Methods (by Name)] [Events (by Name)]

Compressor object.

Declaration

Source position: zipper.pp line 218

type TCompressor = class(TObject)

public

  constructor Create(); virtual;

  

Creates a TCompressor object.

  procedure Compress; virtual; abstract;

  

Compresses input stream to output stream.

  class function ZipID; virtual; abstract;

  

Identifier for type of compression.

  class function ZipVersionReqd; virtual; abstract;

  

ZIP version required in the method.

  function ZipBitFlag; virtual; abstract;

  

Current bit.

  procedure Terminate;

  

Halts the compressor by setting the Terminated property to True.

  property BufferSize: LongWord; [r]

  

Size of the buffer used for compression.

  property OnPercent: Integer; [rw]

  

Threshold percentage which triggers an OnProgress update.

  property OnProgress: TProgressEvent; [rw]

  

Event handler signalled to indicate the completion percentage for the compressor.

  property Crc32Val: LongWord; [rw]

  

Running CRC32 value.

  property Terminated: Boolean; [r]

  

Set to True when the Terminate method is called.

end;

Inheritance

TCompressor

  

Compressor object.

|

TObject

Description

This object compresses a stream into a compressed zip stream.


Documentation generated on: Dec 22 2024