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cmd,example: fix uses of color.NRGBA

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Signed-off-by: Egon Elbre <egonelbre@gmail.com>
This commit is contained in:
Egon Elbre
2020-11-18 20:40:38 +02:00
committed by Elias Naur
parent 21ef492cc9
commit 2affb6eaa4
10 changed files with 32 additions and 35 deletions
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example/tabs/tabs.go
+4 -5
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@@ -127,17 +127,16 @@ func drawTabs(gtx layout.Context, th *material.Theme) layout.Dimensions {
)
}
func fill(gtx layout.Context, col1, col2 color.RGBA) {
func fill(gtx layout.Context, col1, col2 color.NRGBA) {
dr := image.Rectangle{Max: gtx.Constraints.Min}
paint.FillShape(gtx.Ops,
color.RGBA{R: 0, G: 0, B: 0, A: 0xFF},
color.NRGBA{R: 0, G: 0, B: 0, A: 0xFF},
clip.Rect(dr).Op(),
)
col2.R = byte(float32(col2.R))
col2.G = byte(float32(col2.G))
col2.B = byte(float32(col2.B))
col2.A = byte(float32(col2.A) * 0.2)
paint.LinearGradientOp{
Stop1: f32.Pt(float32(dr.Min.X), 0),
Stop2: f32.Pt(float32(dr.Max.X), 0),
@@ -149,9 +148,9 @@ func fill(gtx layout.Context, col1, col2 color.RGBA) {
paint.PaintOp{}.Add(gtx.Ops)
}
func dynamicColor(i int) color.RGBA {
func dynamicColor(i int) color.NRGBA {
sn, cs := math.Sincos(float64(i) * math.Phi)
return color.RGBA{
return color.NRGBA{
R: 0xA0 + byte(0x30*sn),
G: 0xA0 + byte(0x30*cs),
B: 0xD0,