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allow toggling x axis labels

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bakito 2023-05-03 07:14:10 +02:00
parent eee86868c2
commit 2235e5cddc
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GPG Key ID: BCCEB081DB8A24D8
1 changed files with 23 additions and 19 deletions
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42
widgets/plot.go
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@ -22,9 +22,10 @@ type Plot struct {
DataLabels []string
MaxVal float64
LineColors Colors
AxesColor Color // TODO
ShowAxes bool
LineColors Colors
AxesColor Color // TODO
ShowAxes bool
ShowXAxisLabels bool
Marker PlotMarker
DotMarkerRune rune
@ -72,6 +73,7 @@ func NewPlot() *Plot {
HorizontalScale: 1,
DrawDirection: DrawRight,
ShowAxes: true,
ShowXAxisLabels: true,
PlotType: LineChart,
}
}
@ -167,25 +169,27 @@ func (self *Plot) plotAxes(buf *Buffer, maxVal float64) {
image.Pt(self.Inner.Min.X+yAxisLabelsWidth, i+self.Inner.Min.Y),
)
}
// draw x axis labels
// draw 0
buf.SetString(
"0",
NewStyle(ColorWhite),
image.Pt(self.Inner.Min.X+yAxisLabelsWidth, self.Inner.Max.Y-1),
)
// draw rest
for x := self.Inner.Min.X + yAxisLabelsWidth + (xAxisLabelsGap)*self.HorizontalScale + 1; x < self.Inner.Max.X-1; {
label := fmt.Sprintf(
"%d",
(x-(self.Inner.Min.X+yAxisLabelsWidth)-1)/(self.HorizontalScale)+1,
)
if self.ShowXAxisLabels {
// draw x axis labels
// draw 0
buf.SetString(
label,
"0",
NewStyle(ColorWhite),
image.Pt(x, self.Inner.Max.Y-1),
image.Pt(self.Inner.Min.X+yAxisLabelsWidth, self.Inner.Max.Y-1),
)
x += (len(label) + xAxisLabelsGap) * self.HorizontalScale
// draw rest
for x := self.Inner.Min.X + yAxisLabelsWidth + (xAxisLabelsGap)*self.HorizontalScale + 1; x < self.Inner.Max.X-1; {
label := fmt.Sprintf(
"%d",
(x-(self.Inner.Min.X+yAxisLabelsWidth)-1)/(self.HorizontalScale)+1,
)
buf.SetString(
label,
NewStyle(ColorWhite),
image.Pt(x, self.Inner.Max.Y-1),
)
x += (len(label) + xAxisLabelsGap) * self.HorizontalScale
}
}
// draw y axis labels
verticalScale := maxVal / float64(self.Inner.Dy()-xAxisLabelsHeight-1)