import (

	"encoding/base64"

	"io/ioutil"

	"github.com/tdewolff/canvas"

	"github.com/tdewolff/canvas/renderers"

)

// This is just an example. To convert your own SVG path to a PNG file, you need

// to adapt the script.

func main() (interface{}, error) {

	// Create new canvas of dimension 400x400 mm

	c := canvas.New(400, 400)

	// Create a canvas context used to keep drawing state

	ctx := canvas.NewContext(c)

	// Create a triangle path from an SVG path and draw it to the canvas

	path, err := canvas.ParseSVG("M150 0 L75 200 L225 200 Z")

	if err != nil {

		panic(err)

	}

	ctx.SetFillColor(canvas.Mediumseagreen)

	ctx.DrawPath(20, 20, path)

	renderers.Write("tmp.png", c, canvas.DPMM(1.0))

	content, err2 := ioutil.ReadFile("tmp.png")

	if err2 != nil {

		panic(err)

	}

	output := base64.StdEncoding.EncodeToString([]byte(content))

	return output, nil

}