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Micro-optimization

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Kovid Goyal 2022-01-12 23:32:03 +05:30
parent 19e6f70655
commit 17cada7a6a
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GPG Key ID: 06BC317B515ACE7C
1 changed files with 9 additions and 7 deletions
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16
kitty/fonts/box_drawing.py
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@ -7,7 +7,7 @@
#
import math
from functools import partial as p, wraps
from functools import partial as p, wraps, lru_cache
from itertools import repeat
from typing import (
Any, Callable, Dict, Iterable, Iterator, List, MutableSequence, Optional,
@ -754,7 +754,8 @@ def eight_block(buf: BufType, width: int, height: int, level: int = 1, which: Tu
eight_bar(buf, width, height, level, x, horizontal)
def distribute_dots(available_space: int, num_of_dots: int, i: int) -> Tuple[int, int]:
@lru_cache(maxsize=32)
def distribute_dots(available_space: int, num_of_dots: int) -> Tuple[Tuple[int, ...], int]:
dot_size = max(1, available_space // (2 * num_of_dots))
extra = available_space - 2 * num_of_dots * dot_size
gaps = list(repeat(dot_size, num_of_dots))
@ -765,14 +766,15 @@ def distribute_dots(available_space: int, num_of_dots: int, i: int) -> Tuple[int
idx = (idx + 1) % len(gaps)
extra -= 1
gaps[0] //= 2
margin = sum(gaps[:i + 1])
start = margin + (i * dot_size)
return start, dot_size
summed_gaps = tuple(sum(gaps[:i + 1]) for i in range(len(gaps)))
return summed_gaps, dot_size
def braille_dot(buf: BufType, width: int, height: int, col: int, row: int) -> None:
x_start, dot_width = distribute_dots(width, 2, col)
y_start, dot_height = distribute_dots(height, 4, row)
x_gaps, dot_width = distribute_dots(width, 2)
y_gaps, dot_height = distribute_dots(height, 4)
x_start = x_gaps[col] + col * dot_width
y_start = y_gaps[row] + row * dot_height
if y_start < height and x_start < width:
for y in range(y_start, min(height, y_start + dot_height)):
offset = y * width