func (p *clock) Draw(dst draw.Image) error {
format := p.Format
if format == "" {
format = DefaultFormat
}
msg := time.Now().Format(format)
return p.font.Text(dst, msg, truetype.Foreground(p.state.Config.Foreground))
}
func (p *batteries) Draw(dst draw.Image) error {
// TODO handle >1 battery
bats, err := battery.GetAll()
if err != nil {
return fmt.Errorf("cannot access power supply state: %v", err)
}
buf := bytes.NewBufferString("bat:")
for i, bat := range bats {
if bat.Full == 0.0 {
return fmt.Errorf("battery #%d full energy level is zero", i)
}
fmt.Fprintf(buf, " %.0f%%", bat.Current/bat.Full*100)
switch bat.State {
case battery.Charging:
fmt.Fprint(buf, " AC")
}
}
msg := buf.String()
return p.font.Text(dst, msg, truetype.Foreground(p.state.Config.Foreground))
}
func (p *placeholder) Draw(dst draw.Image) error {
msg := fmt.Sprintf("%dx%d", dst.Bounds().Dx(), dst.Bounds().Dy())
// TODO centered
return p.font.Text(dst, msg, truetype.Foreground(p.state.Config.Foreground))
}