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improve gradient interpolation

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booleanmaybe 2026-01-25 17:33:44 -05:00
parent 57aa3ccfa4
commit 939cc99fdb
1 changed files with 4 additions and 3 deletions
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7
view/gradient_caption_row.go
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@ -110,9 +110,10 @@ func interpolateColor(gradient config.Gradient, t float64) tcell.Color {
}
// Linear interpolation for each RGB component
r := int(float64(gradient.Start[0]) + t*float64(gradient.End[0]-gradient.Start[0]))
g := int(float64(gradient.Start[1]) + t*float64(gradient.End[1]-gradient.Start[1]))
b := int(float64(gradient.Start[2]) + t*float64(gradient.End[2]-gradient.Start[2]))
// Add 0.5 before truncating to int for proper rounding, ensuring smoother gradients
r := int(float64(gradient.Start[0]) + t*float64(gradient.End[0]-gradient.Start[0]) + 0.5)
g := int(float64(gradient.Start[1]) + t*float64(gradient.End[1]-gradient.Start[1]) + 0.5)
b := int(float64(gradient.Start[2]) + t*float64(gradient.End[2]-gradient.Start[2]) + 0.5)
//nolint:gosec // G115: RGB values are 0-255, safe to convert to int32
return tcell.NewRGBColor(int32(r), int32(g), int32(b))