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Return alpha-premultiplied color in gradient interpolation

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Fixes #25.
This commit is contained in:
Derek Schaab 2017-09-30 21:34:46 -05:00
parent e611489b86
commit ffbeb6b231
1 changed files with 1 additions and 1 deletions
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2
gradient.go
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@ -189,7 +189,7 @@ func colorLerp(c0, c1 color.Color, t float64) color.Color {
r0, g0, b0, a0 := c0.RGBA() r0, g0, b0, a0 := c0.RGBA()
r1, g1, b1, a1 := c1.RGBA() r1, g1, b1, a1 := c1.RGBA()
return color.NRGBA{ return color.RGBA{
lerp(r0, r1, t), lerp(r0, r1, t),
lerp(g0, g1, t), lerp(g0, g1, t),
lerp(b0, b1, t), lerp(b0, b1, t),