An invoice laid on a letterhead

An invoice laid on a letterhead somebody else made.

JSON write_overlay.json 85 lines

This one is not a program. It is the request the document server is sent: the same page, asked for over the network by an application that writes no PDF code at all.

Download the file Read the Rust twin Read the Python twin See what it renders 
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{
  "items": [
    {
      "type": "pdf_page",
      "pdf": "letterhead",
      "page": 1,
      "rect": {
        "llx": 0.0,
        "lly": 0.0,
        "urx": 595.276,
        "ury": 841.89
      }
    },
    {
      "type": "text",
      "rect": {
        "llx": 56.0,
        "lly": 680.0,
        "urx": 560.0,
        "ury": 699.2
      },
      "content": [
        "Invoice No. 1964413"
      ],
      "font": "DejaVuSans",
      "font_size": 16.0
    },
    {
      "type": "text",
      "rect": {
        "llx": 56.0,
        "lly": 648.0,
        "urx": 560.0,
        "ury": 661.2
      },
      "content": [
        "Issued 14 July 2026"
      ],
      "font": "DejaVuSans",
      "font_size": 11.0
    },
    {
      "type": "text",
      "rect": {
        "llx": 56.0,
        "lly": 626.0,
        "urx": 560.0,
        "ury": 639.2
      },
      "content": [
        "Rendering engine development .............. 4 250.00 EUR"
      ],
      "font": "DejaVuSans",
      "font_size": 11.0
    },
    {
      "type": "text",
      "rect": {
        "llx": 56.0,
        "lly": 604.0,
        "urx": 560.0,
        "ury": 617.2
      },
      "content": [
        "VAT at 20 % ................................. 850.00 EUR"
      ],
      "font": "DejaVuSans",
      "font_size": 11.0
    },
    {
      "type": "text",
      "rect": {
        "llx": 56.0,
        "lly": 582.0,
        "urx": 560.0,
        "ury": 596.4
      },
      "content": [
        "Total due ................................. 5 100.00 EUR"
      ],
      "font": "DejaVuSans",
      "font_size": 12.0
    }
  ]
}