{
  "context": "This criteria evaluates how well the engineer uses the qrcode package's PIL/Pillow PNG image output capabilities, including QRCode class instantiation, configuration parameters, and image generation methods.",
  "type": "weighted_checklist",
  "checklist": [
    {
      "name": "QRCode instantiation",
      "description": "Uses qrcode.QRCode() class constructor to create QR code instances with configuration parameters",
      "max_score": 20
    },
    {
      "name": "add_data() method",
      "description": "Uses the add_data() method to add URL data to the QR code instance",
      "max_score": 15
    },
    {
      "name": "make() method",
      "description": "Calls the make() method to compile the QR code with fit parameter for auto-sizing",
      "max_score": 15
    },
    {
      "name": "make_image() method",
      "description": "Uses make_image() method to generate the PIL/Pillow image object from the QR code",
      "max_score": 15
    },
    {
      "name": "fill_color parameter",
      "description": "Passes fill_color parameter to make_image() or QRCode constructor to set the foreground color of QR modules",
      "max_score": 10
    },
    {
      "name": "back_color parameter",
      "description": "Passes back_color parameter to make_image() or QRCode constructor to set the background color",
      "max_score": 10
    },
    {
      "name": "box_size parameter",
      "description": "Uses box_size parameter in QRCode constructor to control the pixel size of each QR module",
      "max_score": 5
    },
    {
      "name": "border parameter",
      "description": "Uses border parameter in QRCode constructor to control the border width in modules",
      "max_score": 5
    },
    {
      "name": "save() method",
      "description": "Calls the save() method on the PIL image object to write the PNG file to disk",
      "max_score": 5
    }
  ]
}