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|
package main
import (
"bytes"
"embed"
"image/png"
"log"
"os"
"strings"
"time"
"github.com/mattn/go-sixel"
)
//go:embed public
var fs embed.FS
func loadImage(fs embed.FS, n string) []byte {
f, err := fs.Open(n)
if err != nil {
log.Fatal(err)
}
defer f.Close()
img, err := png.Decode(f)
if err != nil {
log.Fatal(err)
}
var buf bytes.Buffer
err = sixel.NewEncoder(&buf).Encode(img)
if err != nil {
log.Fatal(err)
}
return buf.Bytes()
}
func main() {
var img [4][]byte
img[0] = loadImage(fs, "public/data01.png")
img[1] = loadImage(fs, "public/data02.png")
img[2] = loadImage(fs, "public/data03.png")
img[3] = img[1]
w := os.Stdout
w.Write([]byte("\x1b[?25l\x1b[s"))
for i := 0; i < 70; i++ {
w.Write([]byte("\x1b[u"))
w.Write([]byte(strings.Repeat(" ", i)))
w.Write(img[i%4])
w.Sync()
time.Sleep(100 * time.Millisecond)
}
w.Write([]byte("\r\x1b[?25h"))
}
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