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refactor: enhance chart render function

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This commit is contained in:
vicanso 2022-06-17 23:37:21 +08:00
parent 65a1cb11ad
commit 38c4978e44
20 changed files with 665 additions and 462 deletions
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116
examples/bar_chart/main.go
View file

@ -24,26 +24,39 @@ func writeFile(buf []byte) error {
}
func main() {
p, err := charts.NewPainter(charts.PainterOptions{
Width: 800,
Height: 600,
Type: charts.ChartOutputPNG,
})
if err != nil {
panic(err)
values := [][]float64{
{
2.0,
4.9,
7.0,
23.2,
25.6,
76.7,
135.6,
162.2,
32.6,
20.0,
6.4,
3.3,
},
{
2.6,
5.9,
9.0,
26.4,
28.7,
70.7,
175.6,
182.2,
48.7,
18.8,
6.0,
2.3,
},
}
_, err = charts.NewBarChart(p, charts.BarChartOption{
Title: charts.TitleOption{
Text: "Rainfall vs Evaporation",
Subtext: "Fake Data",
},
Padding: charts.Box{
Top: 20,
Right: 20,
Bottom: 20,
Left: 20,
},
XAxis: charts.NewXAxisOption([]string{
p, err := charts.BarRender(
values,
charts.XAxisDataOptionFunc([]string{
"Jan",
"Feb",
"Mar",
@ -57,61 +70,24 @@ func main() {
"Nov",
"Dec",
}),
Legend: charts.NewLegendOption([]string{
charts.LegendLabelsOptionFunc([]string{
"Rainfall",
"Evaporation",
}, charts.PositionRight),
SeriesList: []charts.Series{
{
Type: charts.ChartTypeBar,
Data: charts.NewSeriesDataFromValues([]float64{
2.0,
4.9,
7.0,
23.2,
25.6,
76.7,
135.6,
162.2,
32.6,
20.0,
6.4,
3.3,
}),
MarkPoint: charts.NewMarkPoint(
charts.SeriesMarkDataTypeMax,
charts.SeriesMarkDataTypeMin,
),
MarkLine: charts.NewMarkLine(
charts.SeriesMarkDataTypeAverage,
),
},
{
Type: charts.ChartTypeBar,
Data: charts.NewSeriesDataFromValues([]float64{
2.6,
5.9,
9.0,
26.4,
28.7,
70.7,
175.6,
182.2,
48.7,
18.8,
6.0,
2.3,
}),
MarkPoint: charts.NewMarkPoint(
charts.SeriesMarkDataTypeMax,
charts.SeriesMarkDataTypeMin,
),
MarkLine: charts.NewMarkLine(
charts.SeriesMarkDataTypeAverage,
),
},
charts.MarkLineOptionFunc(0, charts.SeriesMarkDataTypeAverage),
charts.MarkPointOptionFunc(0, charts.SeriesMarkDataTypeMax,
charts.SeriesMarkDataTypeMin),
// custom option func
func(opt *charts.ChartOption) {
opt.SeriesList[1].MarkPoint = charts.NewMarkPoint(
charts.SeriesMarkDataTypeMax,
charts.SeriesMarkDataTypeMin,
)
opt.SeriesList[1].MarkLine = charts.NewMarkLine(
charts.SeriesMarkDataTypeAverage,
)
},
}).Render()
)
if err != nil {
panic(err)
}