Class 10 fyne GoLang GUI Canvas Rectangle
I this tutorial we are going to create a basic retangle in fyne & golang.
Here is the one line code to create a rectangle.
rect := canvas.NewRectangle(color.Black)
You can change color of rectangle
//fill color rect.FillColor = color.NRGBA{R: 255, G: 255, B: 0, A: 255}
You can change stroke of rectangle
// Add Stroke rect.StrokeColor = color.NRGBA{R: 255, G: 0, B: 0, A: 255}
You can change stroke width of rectangle
//Change stroke width rect.StrokeWidth = 5.0
package main // importing fyne import ( "image/color" "fyne.io/fyne/v2" "fyne.io/fyne/v2/app" "fyne.io/fyne/v2/canvas" ) func main() { // creating app a := app.New() // creating windows w := a.NewWindow("Rectangle : Canvas") rect := canvas.NewRectangle(color.Black) //fill color rect.FillColor = color.NRGBA{R: 255, G: 255, B: 0, A: 255} rect.StrokeColor = color.NRGBA{R: 255, G: 0, B: 0, A: 255} rect.StrokeWidth = 5.0 //setup content w.SetContent(rect) //resizing window w.Resize(fyne.NewSize(400, 400)) w.ShowAndRun() // show and run app }
Fyne GoLang GUI Course