motdGO/demo/demo.go

package main

import (
        "fmt"
        "github.com/fatih/color"
        "github.com/getwe/figlet4go"
        "flag"
)

var flag_str = flag.String("str", "golang", "input string")

func main() {
    flag.Parse()
    str := *flag_str
    ascii := figlet4go.NewAsciiRender()
    // most simple Usage
    renderStr, _ := ascii.Render(str)
    fmt.Println(renderStr)

    // change the font color
    colors := [...]color.Attribute{
        color.FgMagenta,
        color.FgYellow,
        color.FgBlue,
        color.FgCyan,
        color.FgRed,
        color.FgWhite,
    }
    options := figlet4go.NewRenderOptions()
    options.FontColor = make([]color.Attribute, len(str))
    for i := range options.FontColor {
        options.FontColor[i] = colors[i % len(colors)]
    }
    renderStr, _ = ascii.RenderOpts(str, options)
    fmt.Println(renderStr)

    // change the font
    options.FontName = "larry3d"
    // except the default font,others need to be load from disk
    // here is the font :
    // ftp://ftp.figlet.org/pub/figlet/fonts/contributed.tar.gz
    // ftp://ftp.figlet.org/pub/figlet/fonts/international.tar.gz
    // download and extract to the disk,then specify the file path to load
    ascii.LoadFont("/usr/local/Cellar/figlet/2.2.5/share/figlet/fonts/")

    renderStr, _ = ascii.RenderOpts(str, options)
    fmt.Println(renderStr)

}