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This commit is contained in:
5684185+vsariola@users.noreply.github.com
2026-01-02 02:03:05 +02:00
parent fcb9a06249
commit 06a1fb6b52
5 changed files with 145 additions and 38 deletions
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21
tracker/gioui/plot.go
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@ -11,6 +11,7 @@ import (
"gioui.org/op"
"gioui.org/op/clip"
"gioui.org/op/paint"
"gioui.org/unit"
)
type (
@ -25,14 +26,15 @@ type (
}
PlotStyle struct {
CurveColors [2]color.NRGBA `yaml:",flow"`
CurveColors [3]color.NRGBA `yaml:",flow"`
LimitColor color.NRGBA `yaml:",flow"`
CursorColor color.NRGBA `yaml:",flow"`
Ticks LabelStyle
DpPerTick unit.Dp
}
PlotDataFunc func(chn int, xr plotRange) (yr plotRange)
PlotTickFunc func(r plotRange, yield func(pos float32, label string))
PlotDataFunc func(chn int, xr plotRange) (yr plotRange, ok bool)
PlotTickFunc func(r plotRange, num int, yield func(pos float32, label string))
plotRange struct{ a, b float32 }
plotRel float32
plotPx int
@ -61,8 +63,8 @@ func (p *Plot) Layout(gtx C, data PlotDataFunc, xticks, yticks PlotTickFunc, cur
ylim := p.ylim()
// draw tick marks
xticks(xlim, func(x float32, txt string) {
numxticks := s.X / gtx.Dp(style.DpPerTick)
xticks(xlim, numxticks, func(x float32, txt string) {
paint.ColorOp{Color: style.LimitColor}.Add(gtx.Ops)
sx := plotPx(s.X).toScreen(xlim.toRelative(x))
fillRect(gtx, clip.Rect{Min: image.Pt(sx, 0), Max: image.Pt(sx+1, s.Y)})
@ -70,7 +72,8 @@ func (p *Plot) Layout(gtx C, data PlotDataFunc, xticks, yticks PlotTickFunc, cur
Label(t.Theme, &t.Theme.Plot.Ticks, txt).Layout(gtx)
})
yticks(ylim, func(y float32, txt string) {
numyticks := s.Y / gtx.Dp(style.DpPerTick)
yticks(ylim, numyticks, func(y float32, txt string) {
paint.ColorOp{Color: style.LimitColor}.Add(gtx.Ops)
sy := plotPx(s.Y).toScreen(ylim.toRelative(y))
fillRect(gtx, clip.Rect{Min: image.Pt(0, sy), Max: image.Pt(s.X, sy+1)})
@ -91,13 +94,13 @@ func (p *Plot) Layout(gtx C, data PlotDataFunc, xticks, yticks PlotTickFunc, cur
// left and right is the sample range covered by the pixel
left := right
right = xlim.fromRelative(plotPx(s.X).fromScreen(sx + 1))
yr := data(chn, plotRange{left, right})
if yr.b < yr.a {
yr, ok := data(chn, plotRange{left, right})
if !ok {
continue
}
y1 := plotPx(s.Y).toScreen(ylim.toRelative(yr.a))
y2 := plotPx(s.Y).toScreen(ylim.toRelative(yr.b))
fillRect(gtx, clip.Rect{Min: image.Pt(sx, y1), Max: image.Pt(sx+1, y2+1)})
fillRect(gtx, clip.Rect{Min: image.Pt(sx, min(y1, y2)), Max: image.Pt(sx+1, max(y1, y2)+1)})
}
}
return D{Size: s}