public enum PdfLineCapStyle| ButtCap | 0 | The line is squared off at the endpoint of the path |
| RoundCap | 1 | A semicircular arc with a diameter equal to the line width is drawn around the end of the path and filled in |
| ProjectingSquareCap | 2 | The line continues beyond the endpoint of the path for a distance equal to half the line width and will be squared off |
| Default | -1 | Default |