TopDogLabs/BusinessCard
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Signed-off-by: Matt Bruce <mbrucedogs@gmail.com>

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Matt Bruce 2026-01-09 14:27:33 -06:00
parent aed2f62918
commit 4bec90cc31
1 changed files with 20 additions and 6 deletions
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26
BusinessCard/Models/CardTheme.swift
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@ -121,12 +121,26 @@ struct CardTheme: Identifiable, Hashable, Sendable {
private var secondaryRGB: (Double, Double, Double) { private var secondaryRGB: (Double, Double, Double) {
if let rgb = customRGB { if let rgb = customRGB {
// Create a lighter/darker variant for gradient // Calculate luminance to determine if we should lighten or darken
return ( let luminance = 0.299 * rgb.0 + 0.587 * rgb.1 + 0.114 * rgb.2
min(1.0, rgb.0 + 0.2),
min(1.0, rgb.1 + 0.15), if luminance < 0.3 {
min(1.0, rgb.2 + 0.1) // Dark color: lighten uniformly to avoid color shifts
) let lightenAmount = 0.15
return (
min(1.0, rgb.0 + lightenAmount),
min(1.0, rgb.1 + lightenAmount),
min(1.0, rgb.2 + lightenAmount)
)
} else {
// Light color: darken uniformly
let darkenAmount = 0.12
return (
max(0.0, rgb.0 - darkenAmount),
max(0.0, rgb.1 - darkenAmount),
max(0.0, rgb.2 - darkenAmount)
)
}
} }
guard let preset else { return (0.93, 0.83, 0.68) } guard let preset else { return (0.93, 0.83, 0.68) }
switch preset { switch preset {