class documentation
class CairoVertexDrawer(AbstractCairoVertexDrawer):
The default vertex drawer implementation of igraph.
| Method | __init__ |
Constructs the vertex drawer and associates it to the given Cairo context and the given BoundingBox. |
| Method | draw |
Draws the given vertex. |
| Instance Variable | |
Undocumented |
| Method | _construct |
Undocumented |
Inherited from AbstractVertexDrawer (via AbstractCairoVertexDrawer):
| Instance Variable | layout |
Undocumented |
| Instance Variable | palette |
Undocumented |
Inherited from AbstractCairoDrawer (via AbstractCairoVertexDrawer, AbstractVertexDrawer):
| Method | bbox |
Sets the bounding box of the drawing area where this drawer will draw. |
| Instance Variable | context |
Undocumented |
| Property | bbox |
The bounding box of the drawing area where this drawer will draw. |
| Method | _mark |
Marks the given point with a small circle on the canvas. Used primarily for debugging purposes. |
| Instance Variable | _bbox |
Undocumented |
Constructs the vertex drawer and associates it to the given Cairo context and the given BoundingBox.
| Parameters | |
| context | the context on which we will draw |
| bbox | the bounding box within which we will draw. Can be anything accepted by the constructor of BoundingBox (i.e., a 2-tuple, a 4-tuple or a BoundingBox object). |
| palette | the palette that can be used to map integer color indices to colors when drawing vertices |
| layout | the layout of the vertices in the graph being drawn |
Draws the given vertex.
| Parameters | |
| visual | object specifying the visual properties of the vertex. Its structure is defined by the VisualVertexBuilder of the CairoGraphDrawer; see its source code. |
| vertex | the raw igraph vertex being drawn |
| coords | the X and Y coordinates of the vertex as specified by the layout algorithm, scaled into the bounding box. |