TImageEnIO.LoadFromText

Declaration

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

Description

Loads image from text.

Parameter	Description
FileName	Input file name
Stream	Input stream
TextFormat	Input text format. Only ietfBase64 is currently supported

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
  PDFiumLibAvailable( 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;

TImageEnIO.LoadFromText