package main

import (
	"bytes"
	"fmt"
	"image"
	"image/png"
	"io/ioutil"
)

func getFiledata() ([]byte, error) {
	return ioutil.ReadFile("Lenna.png")
}

func loadPng(data []byte) (image.Image, error) {
	return png.Decode(bytes.NewReader(data))
}

func main() {

	data, err := getFiledata()
	if err != nil {
		fmt.Println("err reading file", err)
	}
	img, err := loadPng(data)
	if err != nil {
		fmt.Println("err loading png", err)
	}

	fmt.Println("bounds", img.Bounds())
	fmt.Println("min bounds", img.Bounds().Min)
	fmt.Println("max bounds", img.Bounds().Max)

}