Silverlight中的Transform相信大家已經很熟悉了，它們有ScaleTransform, SkewTransform, RotateTransform和TranslateTransform

當我們要做一些有趣的效果時，這些Transform聯合起來應用也挺叫人頭疼的，看著那么一大長傳的xaml總是令人不爽。

而Silverlight4Beta中引入的CompositeTransform則解決了這個問題

看一下類圖

接下來做個例子，只有xaml哦

<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:DesignHeight="300" d:DesignWidth="400">?
??? <UserControl.Resources>?
??????? <Style? TargetType="Slider">?
??????????? <Setter Property="Width" Value="200"/>?
??????? </Style>?
??? </UserControl.Resources>?
??? <Grid x:Name="LayoutRoot" Width="210">?
??????? <StackPanel x:Name="ContentStackPanel">?
??????????? <Image Source="http://www.bbniu.com/core/avatar.php?uid=77&amp;size=middle"?Width="120" Height="120">?
??????????????? <Image.RenderTransform>?
??????????????????? <CompositeTransform x:Name="cr1"/>?
??????????????? </Image.RenderTransform>?
??????????? </Image>?
??????????? <StackPanel Orientation="Horizontal">?
??????????????? <TextBlock Text="CenterX"/>?
??????????????? <Slider Value="{Binding ElementName=cr1,Path=CenterX,Mode=TwoWay}"/>?
??????????? </StackPanel>?
??????????? <StackPanel Orientation="Horizontal">?
??????????????? <TextBlock Text="CenterY"/>?
??????????????? <Slider Value="{Binding ElementName=cr1,Path=CenterY,Mode=TwoWay}"/>?
??????????? </StackPanel>?
??????????? <StackPanel Orientation="Horizontal">?
??????????????? <TextBlock Text="Rotation"/>?
??????????????? <Slider Value="{Binding ElementName=cr1,Path=Rotation,Mode=TwoWay}"/>?
??????????? </StackPanel>?
??????????? <StackPanel Orientation="Horizontal">?
??????????????? <TextBlock Text="ScaleX"/>?
??????????????? <Slider Value="{Binding ElementName=cr1,Path=ScaleX,Mode=TwoWay}"/>?
??????????? </StackPanel>?
??????????? <StackPanel Orientation="Horizontal">?
??????????????? <TextBlock Text="ScaleY"/>?
??????????????? <Slider Value="{Binding ElementName=cr1,Path=ScaleY,Mode=TwoWay}"/>?
??????????? </StackPanel>?
??????????? <StackPanel Orientation="Horizontal">?
??????????????? <TextBlock Text="TranslateX"/>?
??????????????? <Slider Value="{Binding ElementName=cr1,Path=TranslateX,Mode=TwoWay}"/>?
??????????? </StackPanel>?
??????????? <StackPanel Orientation="Horizontal">?
??????????????? <TextBlock Text="TranslateY"/>?
??????????????? <Slider Value="{Binding ElementName=cr1,Path=TranslateY,Mode=TwoWay}"/>?
??????????? </StackPanel>?
??????? </StackPanel>?
??? </Grid>?
</UserControl>

相關的Transform只要那加粗的三行代碼就可實現，是不是很方便呢？

?

F5運行后的效果如圖

在線示例：http://www.bbniu.com/matrix/ShowApplication.aspx?id=28（感謝棒棒牛bbniu.com論壇）

ok.have fun~

本文轉自紫色永恒51CTO博客，原文鏈接：http://www.cnblogs.com/024hi/archive/2009/12/12/1622723.html?，如需轉載請自行聯系原作者

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