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    239. 

  239.     <h1>
    240. 

  240.         <doc-anchor-trigger class="header-anchor-trigger" to="#array2d">#</doc-anchor-trigger>
    241. 

  241.         <span>array2d</span>
    242. 

  242.     </h1>
    243. 

  243. </doc-anchor-target>
    244. 

  244. <p>Efficient general-purpose 2D array.</p>
    245. 

  245. <doc-anchor-target id="source-code">
    246. 

  246.     <h4>
    247. 

  247.         <doc-anchor-trigger class="header-anchor-trigger" to="#source-code">#</doc-anchor-trigger>
    248. 

  248.         <span>Source code</span>
    249. 

  249.     </h4>
    250. 

  250. </doc-anchor-target>
    251. 

  251. <div id="source-code-code-1" class="codeblock-wrapper"><doc-codeblock>
    252. 

  252. <pre translate="no" class="language-python"><code v-pre class="language-python">from typing import Callable, Literal, overload, Iterator, Self
    253. 

  253. from vmath import vec2i, color32
    254. 

  254. 

  255. Neighborhood = Literal['Moore', 'von Neumann']
    256. 

  256. 

  257. class array2d_like[T]:
    258. 

  258.     @property
    259. 

  259.     def n_cols(self) -&gt; int: ...
    260. 

  260.     @property
    261. 

  261.     def n_rows(self) -&gt; int: ...
    262. 

  262.     @property
    263. 

  263.     def width(self) -&gt; int: ...
    264. 

  264.     @property
    265. 

  265.     def height(self) -&gt; int: ...
    266. 

  266.     @property
    267. 

  267.     def shape(self) -&gt; vec2i: ...
    268. 

  268.     @property
    269. 

  269.     def numel(self) -&gt; int: ...
    270. 

  270. 

  271.     @overload
    272. 

  272.     def is_valid(self, col: int, row: int) -&gt; bool: ...
    273. 

  273.     @overload
    274. 

  274.     def is_valid(self, pos: vec2i) -&gt; bool: ...
    275. 

  275. 

  276.     def get[R](self, col: int, row: int, default: R = None) -&gt; T | R:
    277. 

  277.         &quot;&quot;&quot;Get the value at the given position.
    278. 

  278. 

  279.         If the position is out of bounds, returns the default value.
    280. 

  280.         &quot;&quot;&quot;
    281. 

  281. 

  282.     def index(self, value: T) -&gt; vec2i:
    283. 

  283.         &quot;&quot;&quot;Get the position of the first occurrence of the given value.
    284. 

  284. 

  285.         Raises `ValueError` if the value is not found.
    286. 

  286.         &quot;&quot;&quot;
    287. 

  287. 

  288.     def render(self) -&gt; str: ...
    289. 

  289.     def render_with_color(self, fg: array2d_like[color32 | None], bg: array2d_like[color32 | None]) -&gt; str: ...
    290. 

  290. 

  291.     def all(self: array2d_like[bool]) -&gt; bool: ...
    292. 

  292.     def any(self: array2d_like[bool]) -&gt; bool: ...
    293. 

  293. 

  294.     def map[R](self, f: Callable[[T], R]) -&gt; array2d[R]: ...
    295. 

  295.     def apply(self, f: Callable[[T], T]) -&gt; None: ...
    296. 

  296.     def zip_with[R, U](self, other: array2d_like[U], f: Callable[[T, U], R]) -&gt; array2d[R]: ...
    297. 

  297.     def copy(self) -&gt; 'array2d[T]': ...
    298. 

  298.     def tolist(self) -&gt; list[list[T]]: ...
    299. 

  299. 

  300.     def __le__(self, other: T | array2d_like[T]) -&gt; array2d[bool]: ...
    301. 

  301.     def __lt__(self, other: T | array2d_like[T]) -&gt; array2d[bool]: ...
    302. 

  302.     def __ge__(self, other: T | array2d_like[T]) -&gt; array2d[bool]: ...
    303. 

  303.     def __gt__(self, other: T | array2d_like[T]) -&gt; array2d[bool]: ...
    304. 

  304.     def __eq__(self, other: T | array2d_like[T]) -&gt; array2d[bool]: ...  # type: ignore
    305. 

  305.     def __ne__(self, other: T | array2d_like[T]) -&gt; array2d[bool]: ...  # type: ignore
    306. 

  306. 

  307.     def __add__(self, other: T | array2d_like[T]) -&gt; array2d[T]: ...
    308. 

  308.     def __sub__(self, other: T | array2d_like[T]) -&gt; array2d[T]: ...
    309. 

  309.     def __mul__(self, other: T | array2d_like[T]) -&gt; array2d[T]: ...
    310. 

  310.     def __truediv__(self, other: T | array2d_like[T]) -&gt; array2d[T]: ...
    311. 

  311.     def __floordiv__(self, other: T | array2d_like[T]) -&gt; array2d[T]: ...
    312. 

  312.     def __mod__(self, other: T | array2d_like[T]) -&gt; array2d[T]: ...
    313. 

  313.     def __pow__(self, other: T | array2d_like[T]) -&gt; array2d[T]: ...
    314. 

  314. 

  315.     def __and__(self, other: T | array2d_like[T]) -&gt; array2d[T]: ...
    316. 

  316.     def __or__(self, other: T | array2d_like[T]) -&gt; array2d[T]: ...
    317. 

  317.     def __xor__(self, other: T | array2d_like[T]) -&gt; array2d[T]: ...
    318. 

  318.     def __invert__(self) -&gt; array2d[T]: ...
    319. 

  319. 

  320.     def __iter__(self) -&gt; Iterator[tuple[vec2i, T]]: ...
    321. 

  321.     def __repr__(self) -&gt; str: ...
    322. 

  322. 

  323.     @overload
    324. 

  324.     def __getitem__(self, index: vec2i) -&gt; T: ...
    325. 

  325.     @overload
    326. 

  326.     def __getitem__(self, index: tuple[int, int]) -&gt; T: ...
    327. 

  327.     @overload
    328. 

  328.     def __getitem__(self, index: tuple[slice, slice]) -&gt; array2d_view[T]: ...
    329. 

  329.     @overload
    330. 

  330.     def __getitem__(self, index: tuple[slice, int] | tuple[int, slice]) -&gt; array2d_view[T]: ...
    331. 

  331.     @overload
    332. 

  332.     def __getitem__(self, mask: array2d_like[bool]) -&gt; list[T]: ...
    333. 

  333.     @overload
    334. 

  334.     def __setitem__(self, index: vec2i, value: T): ...
    335. 

  335.     @overload
    336. 

  336.     def __setitem__(self, index: tuple[int, int], value: T): ...
    337. 

  337.     @overload
    338. 

  338.     def __setitem__(self, index: tuple[slice, slice], value: T | 'array2d_like[T]'): ...
    339. 

  339.     @overload
    340. 

  340.     def __setitem__(self, index: tuple[slice, int] | tuple[int, slice], value: T | 'array2d_like[T]'): ...
    341. 

  341.     @overload
    342. 

  342.     def __setitem__(self, mask: array2d_like[bool], value: T): ...
    343. 

  343. 

  344.     # algorithms
    345. 

  345.     def count(self, value: T) -&gt; int:
    346. 

  346.         &quot;&quot;&quot;Count the number of cells with the given value.&quot;&quot;&quot;
    347. 

  347. 

  348.     def count_neighbors(self, value: T, neighborhood: Neighborhood) -&gt; array2d[int]:
    349. 

  349.         &quot;&quot;&quot;Count the number of neighbors with the given value for each cell.&quot;&quot;&quot;
    350. 

  350. 

  351.     def get_bounding_rect(self, value: T) -&gt; tuple[int, int, int, int]:
    352. 

  352.         &quot;&quot;&quot;Get the bounding rectangle of the given value.
    353. 

  353. 

  354.         Returns a tuple `(x, y, width, height)` or raise `ValueError` if the value is not found.
    355. 

  355.         &quot;&quot;&quot;
    356. 

  356. 

  357.     def convolve(self: array2d_like[int], kernel: array2d_like[int], padding: int) -&gt; array2d[int]:
    358. 

  358.         &quot;&quot;&quot;Convolve the array with the given kernel.&quot;&quot;&quot;
    359. 

  359. 

  360.     def get_connected_components(self, value: T, neighborhood: Neighborhood) -&gt; tuple[array2d[int], int]:
    361. 

  361.         &quot;&quot;&quot;Get connected components of the grid via BFS algorithm.
    362. 

  362. 

  363.         Returns the `visited` array and the number of connected components,
    364. 

  364.         where `0` means unvisited, and non-zero means the index of the connected component.
    365. 

  365.         &quot;&quot;&quot;
    366. 

  366. 

  367. 

  368. class array2d_view[T](array2d_like[T]):
    369. 

  369.     @property
    370. 

  370.     def origin(self) -&gt; vec2i: ...
    371. 

  371. 

  372. 

  373. class array2d[T](array2d_like[T]):
    374. 

  374.     def __new__(
    375. 

  375.             cls,
    376. 

  376.             n_cols: int,
    377. 

  377.             n_rows: int,
    378. 

  378.             default: T | Callable[[vec2i], T] | None = None
    379. 

  379.             ): ...
    380. 

  380. 

  381.     @staticmethod
    382. 

  382.     def fromlist(data: list[list[T]]) -&gt; array2d[T]: ...
    383. 

  383. 

  384. 

  385. class chunked_array2d[T, TContext]:
    386. 

  386.     def __new__(
    387. 

  387.             cls,
    388. 

  388.             chunk_size: int,
    389. 

  389.             default: T | None = None,
    390. 

  390.             auto_add_chunk: bool = True,
    391. 

  391.             ): ...
    392. 

  392. 

  393.     @property
    394. 

  394.     def chunk_size(self) -&gt; int: ...
    395. 

  395. 

  396.     def __getitem__(self, index: vec2i) -&gt; T: ...
    397. 

  397.     def __setitem__(self, index: vec2i, value: T): ...
    398. 

  398.     def __iter__(self) -&gt; Iterator[tuple[vec2i, TContext]]: ...
    399. 

  399.     def __len__(self) -&gt; int: ...
    400. 

  400. 

  401.     def clear(self) -&gt; None: ...
    402. 

  402.     def copy(self) -&gt; Self: ...
    403. 

  403. 

  404.     def world_to_chunk(self, world_pos: vec2i) -&gt; tuple[vec2i, vec2i]:
    405. 

  405.         &quot;&quot;&quot;Converts world position to chunk position and local position.&quot;&quot;&quot;
    406. 

  406. 

  407.     def add_chunk(self, chunk_pos: vec2i, context: TContext | None) -&gt; None: ...
    408. 

  408.     def remove_chunk(self, chunk_pos: vec2i) -&gt; bool: ...
    409. 

  409.     def move_chunk(self, src_chunk_pos: vec2i, dst_chunk_pos: vec2i) -&gt; bool: ...
    410. 

  410.     def get_context(self, chunk_pos: vec2i) -&gt; TContext | None: ...
    411. 

  411. 

  412.     def view(self) -&gt; array2d_view[T]: ...
    413. 

  413.     def view_rect(self, pos: vec2i, width: int, height: int) -&gt; array2d_view[T]: ...
    414. 

  414.     def view_chunk(self, chunk_pos: vec2i) -&gt; array2d_view[T]: ...
    415. 

  415.     def view_chunks(self, chunk_pos: vec2i, width: int, height: int) -&gt; array2d_view[T]: ...</code></pre>
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