prepare method

@override void prepare()

Prepare the object to be written to the stream

Implementation

@override
void prepare() {
  super.prepare();

  // This holds any resources for this FormXObject
  final resources = PdfDict();

  // fonts
  if (fonts.isNotEmpty) {
    resources['/Font'] = PdfDict.fromObjectMap(fonts);
  }

  // Now the XObjects
  if (xobjects.isNotEmpty) {
    resources['/XObject'] = PdfDict.fromObjectMap(xobjects);
  }

  if (resources.isNotEmpty) {
    params['/Resources'] = resources;
  }
}