class_docstr: Abstract class used for exporting graphics to file / printer / whatever.
class_docstr_tok: ["Abstract","class","used","for","exporting","graphics","to","file","\/","printer","\/","whatever","."]
code: def render(self, painter, targetRect, sourceRect, item=None):
      self.getScene().render(
          painter, QtCore.QRectF(targetRect), QtCore.QRectF(sourceRect)
      )
  
file_path: pyqtgraph/pyqtgraph/exporters/Exporter.py
imports: import os
  import re
  from ..GraphicsScene import GraphicsScene
  from ..Qt import QtCore, QtWidgets
  from ..widgets.FileDialog import FileDialog
label_desc: Use image node_id 12 for calling the Exporter obj's underlying member method code with example usage: obj.render(painter, targetRect, sourceRect, item) without return types