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# ``igraph`.`drawing`.`cairo`.`graph`.`AbstractCairoGraphDrawer``

class documentation

`class AbstractCairoGraphDrawer(AbstractGraphDrawer, AbstractCairoDrawer): (source)`

Known subclasses: `igraph.drawing.cairo.graph.CairoGraphDrawer`

Constructor: `AbstractCairoGraphDrawer(context, bbox)`

View In Hierarchy

Abstract base class for graph drawers that draw on a Cairo canvas.

Method | `__init__` | Constructs the graph drawer and associates it to the given Cairo context and the given `BoundingBox`.

Inherited from `AbstractGraphDrawer`:

Static Method | `ensure_layout` | Helper method that ensures that layout is an instance of `Layout`. If it is not, the method will try to convert it to a `Layout` according to the following rules:
Method | `draw` | Abstract method, must be implemented in derived classes.
Static Method | `_determine_edge_order` | Returns the order in which the edge of the given graph have to be drawn, assuming that the relevant keyword arguments (`edge_order` and `edge_order_by`) are given in `kwds` as a dictionary. If neither `edge_order`...
Static Method | `_determine_vertex_order` | Returns the order in which the vertices of the given graph have to be drawn, assuming that the relevant keyword arguments (`vertex_order` and `vertex_order_by`) are given in `kwds` as a dictionary. If neither ...

Inherited from `AbstractCairoDrawer` (via `AbstractGraphDrawer`):

Method | `bbox.setter` | 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_point` | Marks the given point with a small circle on the canvas. Used primarily for debugging purposes.
Instance Variable | `_bbox` | Undocumented

def __init__(self, context, bbox): (source)
overrides `igraph.drawing.cairo.base.AbstractCairoDrawer.__init__`
overridden in `igraph.drawing.cairo.graph.CairoGraphDrawer`

Constructs the graph 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).