67 lines
1.4 KiB
Go
67 lines
1.4 KiB
Go
package main
|
|
|
|
import (
|
|
"github.com/spf13/viper"
|
|
"gitlab.com/diamondburned/ueberzug-go"
|
|
)
|
|
|
|
/*
|
|
Renderer is just a channel on which we will send the Path to the song whose
|
|
Image is to be Rendered. This channel is passed to the openImage which in turn is called
|
|
by the Start() function as a go routine.
|
|
*/
|
|
type Renderer struct {
|
|
c chan string
|
|
}
|
|
|
|
/*
|
|
Returns a new Renderer with a string channel
|
|
*/
|
|
func newRenderer() *Renderer {
|
|
c := make(chan string)
|
|
return &Renderer{
|
|
c: c,
|
|
}
|
|
}
|
|
|
|
/*
|
|
Send Image Path to Renderer
|
|
*/
|
|
func (self *Renderer) Send(path string) {
|
|
self.c <- path
|
|
}
|
|
|
|
/*
|
|
|
|
Go Routine that will Be Called and will listen on the channel c
|
|
for changes and on getting a string over the channel will open the Image and
|
|
keep listening again. This will keep the image blocked ( i.e no need to use time.Sleep() etc. )
|
|
and saves resources too.
|
|
|
|
*/
|
|
func openImage(path string, c chan string) {
|
|
fw, fh := getFontWidth()
|
|
var im *ueberzug.Image
|
|
if path != "stop" {
|
|
img2, _ := getImg(extractImageFromFile(path))
|
|
im, _ = ueberzug.NewImage(img2, int(float32(IMG_X)*fw)+viper.GetInt("ADDITIONAL_PADDING_X"), int(float32(IMG_Y)*fh)+viper.GetInt("ADDITIONAL_PADDING_Y"))
|
|
}
|
|
d := <-c
|
|
if im != nil {
|
|
im.Clear()
|
|
}
|
|
if d != "stop" {
|
|
openImage(d, c)
|
|
} else {
|
|
openImage("stop", c)
|
|
}
|
|
}
|
|
|
|
/*
|
|
Initialises the Renderer and calls the go routine openImage and passes the channel
|
|
as argument.
|
|
*/
|
|
func (self *Renderer) Start(path string) {
|
|
go openImage(path, self.c)
|
|
}
|