TImageEnIO.LoadFromText

Declaration

function LoadFromText(const FileName: WideString; TextFormat: TIETextFormat = ietfBase64): Boolean;
function LoadFromText(Stream: TStream; TextFormat: TIETextFormat = ietfBase64): Boolean;

Description

Loads image from text.

Result is true if loading succeeded.

See Also: SaveToText

Examples

// save as base64 (inside there is a jpeg)
ImageEnView1.IO.LoadFromFile('image.jpg');
ImageEnView1.IO.SaveToText('image.base64', ioJpeg, ietfBase64);

// reload back
ImageEnView1.IO.LoadFromText('image.base64', ietfBase64);

// Save all pages of a Base64 encoded PDF file as JPEG
var
  iev : TImageEnView;
  idx : Integer;
begin
  // Check PDF library available (shows error if not found)
  IEGlobalSettings().PlugInAvailable([ iepiPDFium ], True );

  iev := TImageEnView.Create(nil);
  try
    iev.PdfViewer.Enabled := True;
    iev.IO.LoadFromText( 'D:\Base64Pdf.txt', ietfBase64 );
    idx := 0;

    Repeat
      iev.IO.SaveToFileJpeg( 'D:\PageOut_' + idx.ToString + '.jpg' );
      inc( idx );
    Until iev.IO.Seek( ieioSeekNext ) <> idx;

  finally
    iev.Free;
  end;
end;

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