Fix #132: provide standard sized icons

Makefile

@@ -1,4 +1,4 @@
-icon_path = ./res/appicon-500.png
+icon_path = ./res/appicon-512.png
 icon_path_mac = ./res/appicon-macos.png
 app_name = Supersonic
 

res/bundled_gen.sh

@@ -1,6 +1,6 @@
 #!/bin/sh
 
-fyne bundle -package res -prefix Res appicon-250.png > bundled.go
+fyne bundle -package res -prefix Res appicon-256.png > bundled.go
 fyne bundle -append -prefix Res albumplaceholder.png >> bundled.go
 fyne bundle -append -prefix Res icons/freepik/disc.png >> bundled.go
 fyne bundle -append -prefix Res icons/freepik/disc-invert.png >> bundled.go

ui/dialogs/aboutdialog.go

@@ -52,7 +52,7 @@ func (a *AboutDialog) MinSize() fyne.Size {
 }
 
 func (a *AboutDialog) buildMainTabContainer(version string) *fyne.Container {
-	iconImage := canvas.NewImageFromResource(res.ResAppicon250Png)
+	iconImage := canvas.NewImageFromResource(res.ResAppicon256Png)
 	iconImage.FillMode = canvas.ImageFillContain
 	iconImage.SetMinSize(fyne.NewSize(64, 64))
 	title := widget.NewRichTextWithText("Supersonic")

ui/mainwindow.go

@@ -144,7 +144,7 @@ func (m *MainWindow) SetupSystemTrayMenu(appName string, fyneApp fyne.App) {
 			fyne.NewMenuItem("Hide", m.Window.Hide),
 		)
 		desk.SetSystemTrayMenu(menu)
-		desk.SetSystemTrayIcon(res.ResAppicon250Png)
+		desk.SetSystemTrayIcon(res.ResAppicon256Png)
 		m.haveSystemTray = true
 	}
 }