B4J Code Snippet Glassmorphism effect for B4J

BitmapCreator based Glassmorphism effect by drawing blurred part under pane:

Sub Process_Globals
    Private fx As JFX
    Private MainForm As Form
    Private xui As XUI 
    Dim bce As BitmapCreatorEffects
    Private Pane1 As Pane
    Dim bm, bb, bp As BitmapCreator
    Private Canvas1 As Canvas
    Dim br As B4XRect
End Sub

Sub AppStart (Form1 As Form, Args() As String)
    MainForm = Form1
    MainForm.RootPane.LoadLayout("Layout1")
    MainForm.Show
    
    bce.Initialize
    Dim im As Image = fx.LoadImage(File.DirAssets, "20004.jpg")
    bm.Initialize(im.Width, im.Height)
    bm.CopyPixelsFromBitmap(im)
    
    Dim imb As B4XBitmap = bce.Blur(im)
    bb.Initialize(im.Width, im.Height)
    bb.CopyPixelsFromBitmap(imb)
    
    bp.Initialize(Pane1.Width, Pane1.Height)
    br.Initialize(Pane1.Left, Pane1.Top, Pane1.Left+Pane1.Width, Pane1.Top+Pane1.Height)
    bp.DrawBitmapCreator(bb, br, 0, 0, True)
    Canvas1.DrawImage(bm.Bitmap, 0 ,0 ,Canvas1.Width, Canvas1.Height)
    Canvas1.DrawImage(bp.Bitmap, Pane1.Left, Pane1.Top, Pane1.Width, Pane1.Height)
End Sub