ImageEn, unit iexBitmaps

TIOParams.GIF_ImageIndex

TIOParams.GIF_ImageIndex


Declaration

property GIF_ImageIndex: integer;


Description

The index (zero-based) of the current image of the loaded GIF image. You can also use Seek to load/navigate images within the loaded file.

Note: You can use ImageIndex for generic access to the image index (not specific to an image format).


See Also

- ImageIndex
- GIF_ImageCount
- Seek


Examples

// Want the second page of the GIF
ImageEnView1.IO.Params.GIF_ImageIndex := 1;
ImageEnView1.IO.LoadFromFile('C:\Animation.gif');

// Print all images of a GIF
Printer.Title := 'GIF Frames';
Printer.BeginDoc;
for I := 0 to ImageEnView1.IO.Params.GIF_ImageCount - 1 do
begin
  ImageEnView1.IO.Params.GIF_ImageIndex := I;
  ImageEnView1.IO.LoadFromFile('C:\input.gif');
  ImageEnView1.IO.PrintImage(Printer.Canvas);
end;
Printer.EndDoc;

// Load a GIF and save each of its pages as a BMP File
ImageEnView1.IO.LoadFromFile('C:\input.gif'); // Load first image to get value for Params.GIF_ImageCount
for I := 0 to ImageEnView1.IO.Params.GIF_ImageCount - 1 do
begin
  ImageEnView1.IO.Params.GIF_ImageIndex := I;
  ImageEnView1.IO.LoadFromFile('C:\input.gif');
  ImageEnView1.IO.SaveToFile( format( 'D:\image_%d.bmp', [ I + 1 ]);
end;