let the image sit for a bit

main.go

@@ -29,16 +29,17 @@ type incomingImage struct {
 }
 
 type Animation struct {
-	ctx      *gg.Context
-	position image.Point
-	dir      image.Point
-	height   int
-	width    int
-	stroke   int
-	image    []image.Image
-	updown   int
-	mqmsg    chan mqtt.Message
-	msg      string
+	ctx       *gg.Context
+	position  image.Point
+	dir       image.Point
+	height    int
+	width     int
+	stroke    int
+	image     []image.Image
+	updown    int
+	mqmsg     chan mqtt.Message
+	msg       string
+	countDown int
 }
 
 //flags from cmd line
@@ -127,14 +128,15 @@ func NewAnimation(sz image.Point, mqMessages chan mqtt.Message) *Animation {
 	marioDown := imaging.Resize(rawMario, 16, 16, imaging.Lanczos)
 	images := []image.Image{marioUp, marioDown}
 	return &Animation{
-		ctx:    gg.NewContext(sz.X, sz.Y),
-		dir:    image.Point{1, 1},
-		height: 8,
-		width:  8,
-		stroke: 8,
-		image:  images,
-		updown: 0,
-		mqmsg:  mqMessages,
+		ctx:       gg.NewContext(sz.X, sz.Y),
+		dir:       image.Point{1, 1},
+		height:    8,
+		width:     8,
+		stroke:    8,
+		image:     images,
+		updown:    0,
+		mqmsg:     mqMessages,
+		countDown: 5000,
 	}
 }
 
@@ -149,6 +151,15 @@ func (a *Animation) Next() (image.Image, <-chan time.Time, error) {
 	} else {
 		a.ctx.DrawImageAnchored(imaging.FlipH(a.image[a.updown]), a.position.X, a.position.Y, 0.5, 0.5)
 	}
+	if a.image[3] != nil {
+		if a.countDown > 0 {
+			a.ctx.DrawImageAnchored(a.image[3], 0, 0, 0, 0)
+			a.countDown -= 50
+		} else {
+			a.image[3] = nil
+			a.countDown = 5000
+		}
+	}
 	a.ctx.SetColor(color.White)
 	select {
 	case msg := <-a.mqmsg:
@@ -159,8 +170,8 @@ func (a *Animation) Next() (image.Image, <-chan time.Time, error) {
 		} else {
 			baseImage, _ := b64.StdEncoding.DecodeString(incoming.Image)
 			bigImage, _, _ := image.Decode(bytes.NewReader(baseImage))
-			littleImage := imaging.Resize(bigImage, 32, 32, imaging.Lanczos)
-			a.ctx.DrawImageAnchored(littleImage, 0, 0, 0, 0)
+			a.image[3] = imaging.Resize(bigImage, 32, 32, imaging.Lanczos)
+			a.ctx.DrawImageAnchored(a.image[3], 0, 0, 0, 0)
 		}
 	default:
 	}