Matrix Transforms: Skew -Prepend : Matrix « Windows Presentation Foundation « VB.Net






Matrix Transforms: Skew -Prepend

 

<Window x:Class="WpfApplication1.MatrixTransforms"
  xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
  xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
  Title="Matrix Transforms" Height="450" Width="270">
  <StackPanel>
    <TextBlock Margin="10,10,5,5" Text="Original Matrix:" />
    <TextBlock Name="tbOriginal" Margin="20,0,5,5" />
    <TextBlock Margin="10,0,5,5" Text="Skew - Prepend:" />
    <TextBlock Name="tbSkewPrepend" Margin="20,0,5,5" />


  </StackPanel>
</Window>

//File:Window.xaml.vb
Imports System
Imports System.Windows
Imports System.Windows.Media


Namespace WpfApplication1
  Public Partial Class MatrixTransforms
    Inherits Window
    Public Sub New()
      ' Original matrix: 
      Dim m As New Matrix(1, 2, 3, 4, 0, 1)
      tbOriginal.Text = "(" & m.ToString() & ")"

      ' Skew -Prepend: 
      m = New Matrix(1, 2, 3, 4, 0, 1)
      m.SkewPrepend(45, 30)
      tbSkewPrepend.Text = "(" & MatrixRound(m).ToString() & ")"
    End Sub
    Private Function MatrixRound(m As Matrix) As Matrix
      m.M11 = Math.Round(m.M11, 3)
      m.M12 = Math.Round(m.M12, 3)
      m.M21 = Math.Round(m.M21, 3)
      m.M22 = Math.Round(m.M22, 3)
      m.OffsetX = Math.Round(m.OffsetX, 3)
      m.OffsetY = Math.Round(m.OffsetY, 3)
      Return m
    End Function
  End Class
End Namespace

   
  








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