go-chart/examples/stacked_bar_labels/main.go
2024-01-11 03:44:02 +07:00

218 lines
4.2 KiB
Go

package main
import (
"os"
"github.com/wcharczuk/go-chart/v2"
"github.com/wcharczuk/go-chart/v2/drawing"
)
func main() {
barWidth := 120
var (
colorWhite = drawing.Color{R: 241, G: 241, B: 241, A: 255}
colorMariner = drawing.Color{R: 60, G: 100, B: 148, A: 255}
colorLightSteelBlue = drawing.Color{R: 182, G: 195, B: 220, A: 255}
colorPoloBlue = drawing.Color{R: 126, G: 155, B: 200, A: 255}
colorSteelBlue = drawing.Color{R: 73, G: 120, B: 177, A: 255}
)
stackedBarChart := chart.StackedBarChart{
Title: "Quarterly Sales",
TitleStyle: chart.Shown(),
Background: chart.Style{
Padding: chart.Box{
Top: 100,
},
},
Width: 810,
Height: 500,
XAxis: chart.Shown(),
YAxis: chart.Shown(),
BarSpacing: 50,
Bars: []chart.StackedBar{
{
Name: "Q1",
Width: barWidth,
Values: []chart.Value{
{
Label: "32K",
Value: 32,
Style: chart.Style{
StrokeWidth: .01,
FillColor: colorMariner,
FontColor: colorWhite,
},
},
{
Label: "46K",
Value: 46,
Style: chart.Style{
StrokeWidth: .01,
FillColor: colorLightSteelBlue,
FontColor: colorWhite,
},
},
{
Label: "48K",
Value: 48,
Style: chart.Style{
StrokeWidth: .01,
FillColor: colorPoloBlue,
FontColor: colorWhite,
},
},
{
Label: "42K",
Value: 42,
Style: chart.Style{
StrokeWidth: .01,
FillColor: colorSteelBlue,
FontColor: colorWhite,
},
},
},
},
{
Name: "Q2",
Width: barWidth,
Values: []chart.Value{
{
Label: "45K",
Value: 45,
Style: chart.Style{
StrokeWidth: .01,
FillColor: colorMariner,
FontColor: colorWhite,
},
},
{
Label: "60K",
Value: 60,
Style: chart.Style{
StrokeWidth: .01,
FillColor: colorLightSteelBlue,
FontColor: colorWhite,
},
},
{
Label: "62K",
Value: 62,
Style: chart.Style{
StrokeWidth: .01,
FillColor: colorPoloBlue,
FontColor: colorWhite,
},
},
{
Label: "53K",
Value: 53,
Style: chart.Style{
StrokeWidth: .01,
FillColor: colorSteelBlue,
FontColor: colorWhite,
},
},
},
},
{
Name: "Q3",
Width: barWidth,
Values: []chart.Value{
{
Label: "54K",
Value: 54,
Style: chart.Style{
StrokeWidth: .01,
FillColor: colorMariner,
FontColor: colorWhite,
},
},
{
Label: "58K",
Value: 58,
Style: chart.Style{
StrokeWidth: .01,
FillColor: colorLightSteelBlue,
FontColor: colorWhite,
},
},
{
Label: "55K",
Value: 55,
Style: chart.Style{
StrokeWidth: .01,
FillColor: colorPoloBlue,
FontColor: colorWhite,
},
},
{
Label: "47K",
Value: 47,
Style: chart.Style{
StrokeWidth: .01,
FillColor: colorSteelBlue,
FontColor: colorWhite,
},
},
},
},
{
Name: "Q4",
Width: barWidth,
Values: []chart.Value{
{
Label: "46K",
Value: 46,
Style: chart.Style{
StrokeWidth: .01,
FillColor: colorMariner,
FontColor: colorWhite,
},
},
{
Label: "70K",
Value: 70,
Style: chart.Style{
StrokeWidth: .01,
FillColor: colorLightSteelBlue,
FontColor: colorWhite,
},
},
{
Label: "74K",
Value: 74,
Style: chart.Style{
StrokeWidth: .01,
FillColor: colorPoloBlue,
FontColor: colorWhite,
},
},
{
Label: "60K",
Value: 60,
Style: chart.Style{
StrokeWidth: .01,
FillColor: colorSteelBlue,
FontColor: colorWhite,
},
},
},
},
},
}
pngFile, err := os.Create("output.png")
if err != nil {
panic(err)
}
if err := stackedBarChart.Render(chart.PNG, pngFile); err != nil {
panic(err)
}
if err := pngFile.Close(); err != nil {
panic(err)
}
}