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A new option undercurl_style to control the rendering of undercurls

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Fixes #5883
This commit is contained in:
Kovid Goyal
2023-01-16 14:23:10 +05:30
parent 0c8ec3c57b
commit 9a77fdcd04
5 changed files with 33 additions and 9 deletions
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18
kitty/fonts/render.py
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@@ -13,6 +13,7 @@ from kitty.fast_data_types import (
Screen,
create_test_font_group,
get_fallback_font,
get_options,
set_font_data,
set_options,
set_send_sprite_to_gpu,
@@ -249,16 +250,15 @@ def add_dline(buf: CBufType, cell_width: int, position: int, thickness: int, cel
def add_curl(buf: CBufType, cell_width: int, position: int, thickness: int, cell_height: int) -> None:
max_x, max_y = cell_width - 1, cell_height - 1
xfactor = 2.0 * pi / max_x
thickness = max(1, thickness)
if thickness < 3:
half_height = thickness
thickness -= 1
elif thickness == 3:
half_height = thickness = 2
opts = get_options()
xfactor = (4.0 if 'dense' in opts.undercurl_style else 2.0) * pi / max_x
max_height = cell_height - (position - thickness // 2) # descender from the font
half_height = max(1, max_height // 4)
if 'thick' in opts.undercurl_style:
thickness = max(half_height, thickness)
else:
half_height = thickness // 2
thickness -= 2
thickness = max(1, thickness) - (1 if thickness < 3 else 2)
def add_intensity(x: int, y: int, val: int) -> None:
y += position