Adds a closed sub-path rounded rectangle of the given size and border radius to the current path at position (x, y) in user-space coordinates.
| cr |
a Cairo.Context |
| x |
the X coordinate of the top left corner of the rounded rectangle |
| y |
the Y coordinate to the top left corner of the rounded rectangle |
| width |
the width of the rounded rectangle |
| height |
the height of the rounded rectangle |
| radius |
the border radius of the rounded rectangle |