Mega Code Archive

 

Categories / Silverlight / Graphics

 

Transforming an Object

<UserControl x:Class='SilverlightApplication3.MainPage'     xmlns='http://schemas.microsoft.com/winfx/2006/xaml/presentation'      xmlns:x='http://schemas.microsoft.com/winfx/2006/xaml'     xmlns:d='http://schemas.microsoft.com/expression/blend/2008'      xmlns:mc='http://schemas.openxmlformats.org/markup-compatibility/2006'      mc:Ignorable='d'      d:DesignWidth='640'      d:DesignHeight='480'>   <StackPanel>     <TextBox x:Name="txtMatrixTransform">       <TextBox.RenderTransform>         <MatrixTransform>           <MatrixTransform.Matrix>             <Matrix  M11="1" M12="0" M21="0" M22="1" OffsetX="0" OffsetY="0"/>           </MatrixTransform.Matrix>         </MatrixTransform>       </TextBox.RenderTransform>     </TextBox>     <StackPanel Margin="4,4,0,4" HorizontalAlignment="Left"           VerticalAlignment="Stretch" Width="99.4" Grid.Row="1">       <TextBlock Text="M11:" />       <TextBlock Text="M12:" />       <TextBlock Text="M21:" />       <TextBlock Text="M22:" />       <TextBlock Text="OffsetX:" />       <TextBlock Text="OffsetY:" />       <Button Content="Reset" Click="ResetMatrix"/>     </StackPanel>     <StackPanel>       <TextBox x:Name="txtM11" Text="1" />       <TextBox x:Name="txtM12" Text="0" />       <TextBox x:Name="txtM21" Text="0" />       <TextBox x:Name="txtM22" Text="1" />       <TextBox x:Name="txtOffsetX" Text="0" />       <TextBox x:Name="txtOffsetY" Text="0" />       <Button Height="Auto" Width="Auto" Content="Set MatrixTransform" Click="ApplyMatrix"/>     </StackPanel>   </StackPanel> </UserControl> //File: Page.xaml.cs using System; using System.Windows; using System.Windows.Controls; using System.Windows.Media; namespace SilverlightApplication3 {   public partial class MainPage : UserControl   {     public MainPage()     {       InitializeComponent();     }     private void ApplyMatrix(object sender, RoutedEventArgs e)     {       MatrixTransform mt = (MatrixTransform)txtMatrixTransform.RenderTransform;       try       {         Matrix m = new Matrix(Convert.ToDouble(txtM11.Text),          Convert.ToDouble(txtM12.Text), Convert.ToDouble(txtM21.Text),          Convert.ToDouble(txtM22.Text), Convert.ToDouble(txtOffsetX.Text),          Convert.ToDouble(txtOffsetY.Text));         mt.Matrix = m;       }       catch       {         txtMatrixTransform.Text = "Invalid-retry:-)";         ResetMatrix(sender, e);       }     }     private void ResetMatrix(object sender, RoutedEventArgs e)     {       txtM11.Text = "1";       txtM12.Text = "0";       txtM21.Text = "0";       txtM22.Text = "1";       txtOffsetX.Text = "0";       txtOffsetY.Text = "0";       MatrixTransform mt = (MatrixTransform)txtMatrixTransform.RenderTransform;       Matrix m = new Matrix(1, 0, 0, 1, 0, 0);       mt.Matrix = m;     }   } }