Android Question [Solved] Flip functions question (B4XBitmapEffects)

    Dim iv As ImageView = Img1   
    Dim bmp As B4XBitmap = iv.Bitmap
    Img1.SetBitmap(bmCEf.FlipHorizontal(bmp))

Sub Globals
    'These global variables will be redeclared each time the activity is created.
    'These variables can only be accessed from this module.

    Private Btn1 As B4XView
    Private Btn2 As B4XView
    Private Btn3 As B4XView
    Private Img1 As B4XView
    Private Img2 As B4XView
    Dim bmCEf As BitmapCreatorEffects
    Private xui As XUI
End Sub


Sub Activity_Create(FirstTime As Boolean)
    bmCEf.Initialize
    Activity.LoadLayout("Ly0")
    Btn3.Visible=False
    fillImg1(Img1)
End Sub

Private Sub fillImg1(Img As B4XView)
    Dim bc As BitmapCreator
    bc.Initialize(Img.Width / xui.Scale, Img.Height / xui.Scale) '<-- disable the scale factor. This will improve performance.
    Dim gpx As BCPath
    gpx.Initialize(0,0)
    gpx.LineTo(bc.mWidth/2, bc.mHeight/3)
    gpx.LineTo(bc.mWidth/2,bc.mHeight)
    gpx.LineTo(0,bc.mHeight)
    gpx.LineTo(0,0)
    bc.DrawPath(gpx,Colors.Red,True,0)
    Img1.SetBitmap(bc.Bitmap)
End Sub

Sub Btn2_Click
    Dim iv As ImageView = Img1    
    Dim bmp As B4XBitmap = iv.Bitmap
    bmp=bmCEf.FlipVertical(bmp)
    Img1.SetBitmap(bmp)
End Sub

Sub Btn1_Click
    Dim iv As ImageView = Img1    
    Dim bmp As B4XBitmap = iv.Bitmap
    Img1.SetBitmap(bmCEf.FlipHorizontal(bmp))
End Sub

Private Sub fillLblPicKanten
    Dim bmp As B4XBitmap
    Dim cs As CSBuilder
    'not flipped
    bmp=draws.drawGrindEdge(LblPicKanten.Width/2,LblPicKanten.Height,gv.LastAngle,2,0,False,False,True,True,True,False)
    'flipped                                                                          v ^
   'bmp=draws.drawGrindEdge(LblPicKanten.Width/2,LblPicKanten.Height,gv.LastAngle,2,0,True,False,True,True,True,False)
    cs.Initialize.Image(bmp,LblPicKanten.Width/2,LblPicKanten.Height,False).Popall
    LblPicKanten.Text=cs
End Sub

public Sub drawGrindEdge(picWidth As Float,picHeight As Float, grindAngle As Float, _
    doAdjust As Int, rotAngle As Float, _
    flipHoriz As Boolean, flipVertical As Boolean, highlightBevelUpper As Boolean, _
    highlightBevelLower As Boolean,showHelpLines As Boolean, onebevel As Boolean) As B4XBitmap
    Dim canv As B4XCanvas
    Dim gpx As B4XPath
    
    '...lots of code calculating the shape of path
    Dim xview As B4XView = xui.CreatePanel("")
    xview.SetLayoutAnimated(0, 0, 0, picWidth, picHeight)
    '... lots of code, filling canvas
    canv.Initialize(xview)   
    canv.DrawPath(gpx,Colors.Black,True,0)
    canv.Invalidate

    Dim bmp As B4XBitmap=canv.CreateBitmap

    If flipHoriz Then
        bmp=BmEf.FlipHorizontal(bmp)   'this flip changes quality of bmp
    End If
    
    Return bmp
End Sub

    If flipHoriz Then
        bmp=bmEF.FlipHorizontal(ScaleBitmap(bmp))
    End If
   
    Return bmp
End Sub

Sub ScaleBitmap(bmp As B4XBitmap) As B4XBitmap
    #if B4A
    Dim jo As JavaObject = bmp
    jo.RunMethod("setDensity", Array(160))
    #End If
    Return bmp
End Sub