go-chart/examples/custom_styles/main.go
2020-11-22 16:45:10 -08:00

38 lines
856 B
Go

package main
//go:generate go run main.go
import (
"os"
"github.com/wcharczuk/go-chart/v2"
"github.com/wcharczuk/go-chart/v2/drawing"
)
func main() {
/*
In this example we set some custom colors for the series and the chart background and canvas.
*/
graph := chart.Chart{
Background: chart.Style{
FillColor: drawing.ColorBlue,
},
Canvas: chart.Style{
FillColor: drawing.ColorFromHex("efefef"),
},
Series: []chart.Series{
chart.ContinuousSeries{
Style: chart.Style{
StrokeColor: drawing.ColorRed, // will supercede defaults
FillColor: drawing.ColorRed.WithAlpha(64), // will supercede defaults
},
XValues: []float64{1.0, 2.0, 3.0, 4.0, 5.0},
YValues: []float64{1.0, 2.0, 3.0, 4.0, 5.0},
},
},
}
f, _ := os.Create("output.png")
defer f.Close()
graph.Render(chart.PNG, f)
}