แปลง OFT เป็น GIF ใน Andorid Apps

// load the OFT file to be converted
MailMessage message = MailMessage.load("sourceFile.oft"); 
// save OFT as a HTML 
message.save("HtmlOutput.html", SaveOptions.getDefaultHtml());
// load HTML with an instance of Document
Document document = new Document("HtmlOutput.html");
// call save method while passing SaveFormat.GIF
document.save("output.gif", SaveFormat.GIF);