TCompressor¶

Compressor object.

Declaration¶

Source position: zipper.pp line 218

type

  TCompressor = class(TObject)
  public
    constructor Create;
    procedure Compress;
    class function ZipID : Word;
    class function ZipVersionReqd : Word;
    function ZipBitFlag : Word;
    procedure Terminate;
    property BufferSize: LongWord; {r}
    property OnPercent: Integer; {rw}
    property OnProgress: TProgressEvent; {rw}
    property Crc32Val: LongWord; {rw}
    property Terminated: Boolean; {r}
  end;

Inheritance¶

Description¶

This object compresses a stream into a compressed zip stream.

Properties¶

Member	Visibility	Description
BufferSize read only	public	Size of the buffer used for compression.
Crc32Val	public	Running CRC32 value.
Terminated read only	public	Set to True when the Terminate method is called.

See all Properties

Methods¶

Member	Visibility	Description
Compress	public	Compresses input stream to output stream.
Create	public	Creates a TCompressor object.
Terminate	public	Halts the compressor by setting the Terminated property to True.
ZipBitFlag	public	Current bit.
ZipID	public	Identifier for type of compression.
ZipVersionReqd	public	ZIP version required in the method.

See all Methods

Events¶

Member	Visibility	Description
OnPercent	public	Threshold percentage which triggers an OnProgress update.
OnProgress	public	Event handler signalled to indicate the completion percentage for the compressor.

See all Events