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Improve shade character appearance

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I was really unhappy with the previous checkerboard appearance, so I
changed it to supersampled diagonal lines. The fill ratios are still the
same, so it should still be compliant with the standard if I understood
it correctly.

Feel free to revert (or tell me to revert) this commit if you want the
previous look.
This commit is contained in:
MithicSpirit 2023-05-09 16:08:02 -04:00
parent a36fe45181
commit c883a024ba
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GPG Key ID: FEA8F724F2800E40
1 changed files with 13 additions and 15 deletions
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28
kitty/fonts/box_drawing.py
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@ -613,22 +613,20 @@ def inner_corner(buf: BufType, width: int, height: int, which: str = 'tl', level
draw_vline(buf, width, y1, y2, width // 2 + (xd * hgap), level)
@supersampled()
def shade(buf: BufType, width: int, height: int, light: bool = False, invert: bool = False) -> None:
square_sz = max(1, width // 12)
number_of_rows = height // square_sz
number_of_cols = width // square_sz
nums = range(square_sz)
for r in range(number_of_rows):
for c in range(number_of_cols):
if invert ^ ((r % 2 != c % 2) or (light and r % 2 == 1)):
continue
for yr in nums:
y = r * square_sz + yr
offset = width * y
for xc in nums:
x = c * square_sz + xc
buf[offset + x] = 255
x_size = width / 4
y_size = height / 8
pattern_segments = 4 if light else 2
for y in range(height):
y_segment = y / y_size
offset = y * width
for x in range(width):
segment = x/x_size + y_segment
section = int(segment) % pattern_segments
enabled = section == 1
if invert ^ enabled:
buf[offset + x] = 255
def quad(buf: BufType, width: int, height: int, x: int = 0, y: int = 0) -> None: