Matrix Transforms: Rotation at : Matrix « Windows Presentation Foundation « VB.Net

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VB.Net » Windows Presentation Foundation » MatrixScreenshots 
Matrix Transforms: Rotation at
Matrix Transforms: Rotation at
 

<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="RotationAt:" />
    <TextBlock x:Name="tbRotateAt" Margin="20,0,5,5" TextWrapping="Wrap" />


  </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()
      InitializeComponent()
      ' Original matrix: 
      Dim As New Matrix(123401)
      tbOriginal.Text = "(" & m.ToString() ")"

      'Rotation at (x = 1, y = 2)
      m = New Matrix(123401)
      m.RotateAt(4512)
      tbRotateAt.Text = "(" & MatrixRound(m).ToString() ")"
    End Sub
    Private Function MatrixRound(As MatrixAs 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

   
  
Related examples in the same category
1.Matrix Operations
2.Matrix Transforms: Scale - Prepend
3.Matrix Transforms: ScaleMatrix Transforms: Scale
4.Matrix Transforms: Skew -Prepend
5.Matrix Transforms: Skew
6.Matrix Transforms: Rotation at (x = 1, y = 2) - Prepend
7.Matrix Transforms: Rotation - Prepend
8.Matrix Transforms: Rotation
9.Matrix Transforms: Translation
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