U Ñtœdïã@s<ddlmZddlmZddlmZdZGdd„deƒZdS) é)Úcalculate_corner_radii)Úconsecutive_pairsé)ÚAbstractCairoDrawer)ÚCairoPolygonDrawercs4eZdZdZd ‡fdd„ Zddd„Zdd „Z‡ZS)raJClass that is used to draw polygons in Cairo. The corner points of the polygon can be set by the C{points} property of the drawer, or passed at construction time. Most drawing methods in this class also have an extra C{points} argument that can be used to override the set of points in the C{points} property.©rrcstƒ ||¡dS)zÎConstructs a new polygon drawer that draws on the given Cairo context. @param context: the Cairo context to draw on @param bbox: ignored, leave it at its default value N)ÚsuperÚ__init__)ÚselfÚcontextZbbox©Ú __class__©úU/home/sam/Atlas/atlas_env/lib/python3.8/site-packages/igraph/drawing/cairo/polygon.pyr szCairoPolygonDrawer.__init__rc Cs|j ¡t|ƒdkrdS|j}|dkrN|j|dŽ|D]}|j|Žq:dSt||ƒ}|j|d |d|d¡Ž|d}tt|dƒƒD]t\}\}} ||} |j| || ¡Ž| || d¡}| | | d¡}|j |j |j|j |jf| | ||¡žŽ|}qŒdS)a…Sets up a Cairo path for the outline of a polygon on the given Cairo context. @param points: the coordinates of the corners of the polygon, in clockwise or counter-clockwise order. @param corner_radius: if zero, an ordinary polygon will be drawn. If positive, the corners of the polygon will be rounded with the given radius. éNréÿÿÿÿT)rÚnew_pathÚlenÚmove_toZline_torZtowardsÚ enumeraterZcurve_toÚxÚy) r ÚpointsZ corner_radiusÚctxÚpointZcorner_radiiÚuÚidxÚvÚwZradiusZaux1Zaux2rrrÚ draw_paths4 ÿÿzCairoPolygonDrawer.draw_pathcCs| |¡|j ¡dS)zÃDraws the polygon using the current stroke of the Cairo context. @param points: the coordinates of the corners of the polygon, in clockwise or counter-clockwise order. N)rrÚstroke)r rrrrÚdrawNs zCairoPolygonDrawer.draw)r)r)Ú__name__Ú __module__Ú__qualname__Ú__doc__r rr!Ú __classcell__rrrrr s 3rN)Zigraph.drawing.utilsrZigraph.utilsrÚbaserÚ__all__rrrrrÚs