ZacharyZhang-NY
43c96a7a81
textInputFade becomes colorFade in theme.go and serves AvatarGroup, Image retry, Tag and EditableText, which used internal.Fade. MyGo already skips element transitions under ReduceMotion, so dropping the Motion check keeps behaviour.
41 lines
1.2 KiB
Go
41 lines
1.2 KiB
Go
package internal
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import (
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"math"
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"github.com/egoist/mygo/ui"
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)
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// Rule draws a pixel-aligned 1 DIP horizontal line at y.
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func Rule(p *ui.Painter, x0, x1, y float32, c ui.Color) {
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yy := ruleY(p, y)
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p.Line(x0, yy, x1, yy, 1, c)
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}
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// ruleY moves y to where a 1 DIP line fills whole device pixels.
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func ruleY(p *ui.Painter, y float32) float32 {
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s := float64(p.Scale())
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px := math.Floor(float64(y) * s)
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if int(math.Round(s))%2 == 1 {
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px += 0.5
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}
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return float32(px / s)
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}
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// RuleDiamond draws a rule across the middle of r, broken by gap on each side of a size diamond.
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func RuleDiamond(p *ui.Painter, r ui.Rect, gap, size float32, col ui.Color) {
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cx, cy := r.X+r.W/2, ruleY(p, r.Y+r.H/2)
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p.Line(r.X, cy, cx-gap, cy, 1, col)
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p.Line(cx+gap, cy, r.X+r.W, cy, 1, col)
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p.FillPath(Diamond(Snap(p, cx), Snap(p, cy), size), col)
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}
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// Frame strokes a 1 DIP line inset inside r with a size diamond on each corner.
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func Frame(p *ui.Painter, r ui.Rect, inset, size float32, col ui.Color) {
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f := ui.Rect{X: r.X + inset, Y: r.Y + inset, W: r.W - 2*inset, H: r.H - 2*inset}
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p.Stroke(f, col, 1, 1)
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for _, pt := range [4][2]float32{{f.X, f.Y}, {f.X + f.W, f.Y}, {f.X, f.Y + f.H}, {f.X + f.W, f.Y + f.H}} {
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p.FillPath(Diamond(Snap(p, pt[0]), Snap(p, pt[1]), size), col)
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}
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}
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