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Micro-optimisation

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Kovid Goyal
2025-12-30 13:40:49 +05:30
parent 2aed1c9c06
commit a4d88beddb
2 changed files with 19 additions and 21 deletions
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34
kitty/rgb.py generated
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@@ -455,30 +455,28 @@ def to_color(raw: str, validate: bool = False) -> Color | None:
if raw.startswith('#'): if raw.startswith('#'):
# For hex colors, only strip comments after whitespace # For hex colors, only strip comments after whitespace
# e.g., "#ff0000 # comment" -> "#ff0000" # e.g., "#ff0000 # comment" -> "#ff0000"
parts = raw.split() raw = raw.partition(' ')[0]
if len(parts) > 1:
raw = parts[0] # Keep only the hex color part
else: else:
# For non-hex colors, strip everything after # # For non-hex colors, strip everything after #
raw = raw.split('#')[0].strip() raw = raw.partition('#')[0]
x = raw.strip().lower() x = raw.strip().lower()
ans = color_names.get(x) if ans := color_names.get(x):
if ans is not None:
return ans return ans
val: Color | None = None val: Color | None = None
with suppress(Exception): with suppress(Exception):
if raw.startswith('#'): match raw[0]:
val = parse_sharp(raw[1:]) case '#':
elif x.startswith('oklch('): val = parse_sharp(raw[1:])
val = parse_oklch(x[6:]) case 'o':
elif x.startswith('lab('): val = parse_oklch(x[6:])
val = parse_lab(x[4:]) case 'l':
else: val = parse_lab(x[4:])
k, sep, v = raw.partition(':') case 'r':
if k == 'rgb': k, _, v = raw.partition(':')
val = parse_rgb(v) if k == 'rgb':
elif k == 'rgbi': val = parse_rgb(v)
val = parse_rgbi(v) elif k == 'rgbi':
val = parse_rgbi(v)
if val is None and validate: if val is None and validate:
raise ValueError(f'Invalid color name: {raw!r}') raise ValueError(f'Invalid color name: {raw!r}')
return val return val

6
tools/utils/style/colorspaces.go
View File

@@ -105,9 +105,9 @@ func oklchToSrgbGamutMap(l, c, h float64) (float64, float64, float64) {
} }
// Constants from CSS Color Module Level 4 // Constants from CSS Color Module Level 4
const jnd = 0.02 // Just Noticeable Difference threshold const jnd = 0.02 // Just Noticeable Difference threshold
const minConvergence = 0.0001 // Binary search precision const minConvergence = 0.0001 // Binary search precision
const epsilon = 0.00001 // Small value for floating point comparisons const epsilon = 0.00001 // Small value for floating point comparisons
// Edge cases: pure black or white // Edge cases: pure black or white
if l <= 0.0 { if l <= 0.0 {
@@ -271,7 +271,7 @@ func parseOklch(spec string) (RGBA, error) {
// Clamp to reasonable ranges // Clamp to reasonable ranges
l = math.Max(0.0, math.Min(1.0, l)) l = math.Max(0.0, math.Min(1.0, l))
c = math.Max(0.0, c) // Chroma is unbounded c = math.Max(0.0, c) // Chroma is unbounded
h = math.Mod(h, 360) // Wrap hue to 0-360 h = math.Mod(h, 360) // Wrap hue to 0-360
if h < 0 { if h < 0 {
h += 360 h += 360
} }