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Make the curly underline a bit thicker

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Kovid Goyal 2017-09-17 21:09:30 +05:30
parent 8490457cab
commit 558e4af3c6
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GPG Key ID: 06BC317B515ACE7C
1 changed files with 14 additions and 9 deletions
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23
kitty/fonts/render.py
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@ -3,7 +3,7 @@
# License: GPL v3 Copyright: 2016, Kovid Goyal <kovid at kovidgoyal.net>
import ctypes
from math import sin, pi, ceil, floor
from math import sin, pi, ceil, floor, sqrt
from kitty.constants import isosx
from .box_drawing import render_box_char, is_renderable_box_char
@ -30,16 +30,21 @@ def add_curl(buf, cell_width, position, thickness, cell_height):
def clamp_y(y):
return max(0, min(int(y), cell_height - 1))
for x in range(cell_width):
y_exact = yfactor * sin(x * xfactor) + position
def clamp_x(x):
return max(0, min(int(x), cell_width - 1))
def add_intensity(x, y, distance):
buf[cell_width * y + x] = min(255, buf[cell_width * y + x] + int(255 * (1 - distance)))
for x_exact in range(cell_width):
y_exact = yfactor * sin(x_exact * xfactor) + position
y_below = clamp_y(floor(y_exact))
y_above = clamp_y(ceil(y_exact))
if y_below == y_above:
buf[cell_width * y_below + x] = 255
continue
for y in (y_below, y_above):
intensity = int(255 * (1 - abs(y - y_exact)))
buf[cell_width * y + x] = intensity
x_before, x_after = map(clamp_x, (x_exact - 1, x_exact + 1))
for x in {x_before, x_exact, x_after}:
for y in {y_below, y_above}:
dist = sqrt((x - x_exact)**2 + (y - y_exact)**2) / 2
add_intensity(x, y, dist)
def render_cell(text=' ', bold=False, italic=False, underline=0, strikethrough=False):