Vcl.Imaging.GIFImg.TGIFDithering

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Delphi

TGIFDithering = (
gdDisabled,                 // Never dither
gdEnabled,                  // Always dither
gdAuto                      // Dither if Desktop DC supports <= 256 colors.
);

C++

enum DECLSPEC_DENUM TGIFDithering : unsigned char { gdDisabled, gdEnabled, gdAuto };

Properties

Type	Visibility	Source	Unit	Parent
enum	public	Vcl.Imaging.GIFImg.pas Vcl.Imaging.GIFImg.hpp	Vcl.Imaging.GIFImg	Vcl.Imaging.GIFImg

Description

Specifies the dithering behavior when using the Netscape 216 color palette.

A variable of type TGIFDithering specifies the dithering behavior when displaying a GIF image using the Netscape 216 color palette.

The following table lists the possible values of a variable of type TGIFDithering.

Value	Meaning
gdDisabled	Never dither when using the Netscape 216 color palette.
gdEnabled	Always dither when using the Netscape 216 color palette.
gdAuto	When using the Netscape 216 color palette, only dither if the Desktop DC (device context) supports less than 256 colors.

See Also

• TColorReduction

• TDitherMode

• TGIFOptimizeOption