private void PrepareImageObject()
{
if (imageObject != null)
return;
if (refi != null){
PRStream stream = (PRStream)PdfReader.GetPdfObject(refi);
imageObject = new PdfImageObject(stream, colorSpaceDictionary);
} else if (inlineImageInfo != null){
imageObject = new PdfImageObject(inlineImageInfo.ImageDictionary, inlineImageInfo.Samples, colorSpaceDictionary);
}
}