Vcl.Imaging.pngimage.TPngImage.Filters

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Delphi

property Filters: TFilters read fFilters write fFilters;

C++

__property TFilters Filters = {read=fFilters, write=fFilters, nodefault};

Properties

Type	Visibility	Source	Unit	Parent
property	public	Vcl.Imaging.pngimage.pas Vcl.Imaging.pngimage.hpp	Vcl.Imaging.pngimage	TPngImage

Description

Specifies the filters applied to the png image.

Use the Filters property to check or set the filter algorithms used on the png image. The filters specified by the Filters property are used before compressing the image. The main purpose of the filter algorithm is to prepare the image for optimal compression. The following table lists the possible values and their meaning.

Value	Meaning
pfNone	No filter is applied; scan lines are stored directly.
pfSub	The Sub algorithm is used.
pfUp	The Up algorithm is used.
pfAverage	The Average algorithm is used.
pfPaeth	The Paeth algorithm is used.