main.go

package main

import (
	"bufio"
	"errors"
	"fmt"
	"image"
	"net/http"
	"os"

	"github.com/qeesung/image2ascii/convert"
)

func main() {
	in := bufio.NewScanner(os.Stdin)
	for in.Scan() {
		line := in.Text()
		err := convertLineToArt(line)
		if err != nil {
			panic(err)
		}
	}
}

func convertLineToArt(line string) error {
	fmt.Println(line)
	resp, err := http.Get(line)
	if err != nil {
		return err
	}
	defer resp.Body.Close()

	img, _, err := image.Decode(resp.Body)
	if err != nil && errors.Is(err, image.ErrFormat) {
		return nil
	} else if err != nil {
		return err
	}

	convertOptions := convert.DefaultOptions
	convertOptions.FixedWidth = 50
	convertOptions.FixedHeight = 50
	converter := convert.NewImageConverter()
	for _, row := range converter.Image2ASCIIMatrix(img, &convertOptions) {
		fmt.Print(row)
	}
	return nil
}