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from __future__ import annotations |
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from abc import ABC, abstractmethod |
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from typing import TYPE_CHECKING, Any |
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import numpy as np |
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if TYPE_CHECKING: |
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import io |
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from numpy.typing import ArrayLike |
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from contourpy._contourpy import CoordinateArray, FillReturn, FillType, LineReturn, LineType |
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class Renderer(ABC): |
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"""Abstract base class for renderers, defining the interface that they must implement.""" |
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def _grid_as_2d(self, x: ArrayLike, y: ArrayLike) -> tuple[CoordinateArray, CoordinateArray]: |
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x = np.asarray(x) |
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y = np.asarray(y) |
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if x.ndim == 1: |
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x, y = np.meshgrid(x, y) |
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return x, y |
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x = np.asarray(x) |
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y = np.asarray(y) |
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if x.ndim == 1: |
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x, y = np.meshgrid(x, y) |
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return x, y |
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@abstractmethod |
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def filled( |
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self, |
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filled: FillReturn, |
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fill_type: FillType, |
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ax: Any = 0, |
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color: str = "C0", |
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alpha: float = 0.7, |
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) -> None: |
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pass |
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@abstractmethod |
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def grid( |
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self, |
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x: ArrayLike, |
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y: ArrayLike, |
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ax: Any = 0, |
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color: str = "black", |
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alpha: float = 0.1, |
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point_color: str | None = None, |
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quad_as_tri_alpha: float = 0, |
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) -> None: |
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pass |
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@abstractmethod |
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def lines( |
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self, |
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lines: LineReturn, |
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line_type: LineType, |
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ax: Any = 0, |
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color: str = "C0", |
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alpha: float = 1.0, |
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linewidth: float = 1, |
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) -> None: |
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pass |
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@abstractmethod |
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def mask( |
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self, |
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x: ArrayLike, |
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y: ArrayLike, |
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z: ArrayLike | np.ma.MaskedArray[Any, Any], |
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ax: Any = 0, |
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color: str = "black", |
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) -> None: |
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pass |
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@abstractmethod |
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def save(self, filename: str, transparent: bool = False) -> None: |
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pass |
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@abstractmethod |
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def save_to_buffer(self) -> io.BytesIO: |
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pass |
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@abstractmethod |
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def show(self) -> None: |
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pass |
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@abstractmethod |
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def title(self, title: str, ax: Any = 0, color: str | None = None) -> None: |
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pass |
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@abstractmethod |
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def z_values( |
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self, |
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x: ArrayLike, |
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y: ArrayLike, |
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z: ArrayLike, |
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ax: Any = 0, |
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color: str = "green", |
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fmt: str = ".1f", |
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quad_as_tri: bool = False, |
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) -> None: |
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pass |
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