Resize icons & images with bilinear interpolation

desktop_unix.go

@@ -191,7 +191,7 @@ func (x Xorg) name(w xproto.Window) (string, error) {
 }
 
 func (x Xorg) icon(w xproto.Window) (image.Image, error) {
-	icon, err := xgraphics.FindIcon(x.util, w, 64, 64)
+	icon, err := xgraphics.FindIcon(x.util, w, 128, 128)
 	if err != nil {
 		log.Printf("Could not find icon for window %d.", w)
 		return nil, err

widget.go

@@ -103,7 +103,7 @@ func drawImage(img *image.RGBA, path string, size uint, x uint, y uint) error {
 		return err
 	}
 
-	icon = resize.Resize(size, size, icon, resize.Lanczos3)
+	icon = resize.Resize(size, size, icon, resize.Bilinear)
 	draw.Draw(img, image.Rect(int(x), int(y), int(x+size), int(y+size)), icon, image.Point{0, 0}, draw.Src)
 
 	return nil

widget_recent_window.go

@@ -6,6 +6,7 @@ import (
 	"log"
 
 	"github.com/muesli/streamdeck"
+	"github.com/nfnt/resize"
 )
 
 type RecentWindowWidget struct {
@@ -17,7 +18,8 @@ func (w *RecentWindowWidget) Update(dev *streamdeck.Device) {
 	img := image.NewRGBA(image.Rect(0, 0, 72, 72))
 
 	if int(w.window) < len(recentWindows) {
-		draw.Draw(img, image.Rect(4, 4, 68, 68), recentWindows[w.window].Icon, image.Point{0, 0}, draw.Src)
+		icon := resize.Resize(64, 64, recentWindows[w.window].Icon, resize.Bilinear)
+		draw.Draw(img, image.Rect(4, 4, 68, 68), icon, image.Point{0, 0}, draw.Src)
 	}
 
 	err := dev.SetImage(w.key, img)