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bool ps_circle ( resource psdoc, float x, float y, float radius )

Draws a circle with its middle point at (`x`,
`y`). The circle starts and ends at position
(`x`+`radius`,
`y`). If this function is called outside a path it
will start a new path. If it is called within a path it will add the circle
as a subpath. If the last drawing operation does not end in point
(`x`+`radius`,
`y`) then there will be a gap in the path.

`psdoc`Resource identifier of the postscript file as returned by

**ps_new()**.`x`The x-coordinate of the circle's middle point.

`y`The y-coordinate of the circle's middle point.

`radius`The radius of the circle

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