Vcl.Imaging.GIFImg.TLogicalScreenDescriptor

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• Fields

Delphi

  TLogicalScreenDescriptor = record
    ScreenWidth: word;              { logical screen width }
    ScreenHeight: word;             { logical screen height }
    PackedFields: byte;             { packed fields }
    BackgroundColorIndex: byte;     { index to global color table }
    AspectRatio: byte;              { actual ratio = (AspectRatio + 15) / 64 }
  end;

C++

struct DECLSPEC_DRECORD TLogicalScreenDescriptor
{
public:
    System::Word ScreenWidth;
    System::Word ScreenHeight;
    System::Byte PackedFields;
    System::Byte BackgroundColorIndex;
    System::Byte AspectRatio;
};

Properties

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

Description

A variable of type TLogicalScreenDescriptor contains information about the screen.

A variable of type TLogicalScreenDescriptor contains information about the logical screen.

The following table lists the fields contained in a variable of TLogicalScreenDescriptor type.

Field	Meaning
ScreenWidth	Width of the logical screen.
ScreenHeight	Height of the logical screen.
PackedFields	The packed fields stored in the logical screen.
BackgroundColorIndex	Index to global color table.
AspectRatio	The aspect ratio of the logical screen.

See Also

• TGIFHeader