[C#/WPF] VisualBrush 엘리먼트 : RelativeTransform 속성을 사용해 엘리먼트 반사 이미지 만들기

■ VisualBrush 엘리먼트의 RelativeTransform 속성을 사용해 엘리먼트 반사 이미지를 만드는 방법을 보여준다.

TestProject.zip

다운로드

▶ MainWindow.xaml

<Window x:Class="TestProject.MainWindow"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    Width="800"
    Height="600"
    Title="VisualBrush 엘리먼트 : RelativeTransform 속성을 사용해 엘리먼트 반사 이미지 만들기"
    FontFamily="나눔고딕코딩"
    FontSize="16">
    <StackPanel
        HorizontalAlignment="Center"
        VerticalAlignment="Center">
        <Grid Name="sourceGrid"
            HorizontalAlignment="Center">
            <Image
                Width="320"
                Height="213"
                Source="IMAGE/sample.jpg" />
            <Ellipse
                HorizontalAlignment="Right"
                VerticalAlignment="Top"
                Width="100"
                Height="100"
                Stroke="Blue"
                StrokeThickness="10"
                Fill="Gold" />
        </Grid>
        <Grid
            Width="{Binding ElementName=sourceGrid, Path=ActualWidth}"
            Height="{Binding ElementName=sourceGrid, Path=ActualHeight}">
            <Grid.Background>
                <VisualBrush
                    Visual="{Binding ElementName=sourceGrid}"
                    Stretch="None">
                    <VisualBrush.RelativeTransform>
                        <TransformGroup>
                            <ScaleTransform ScaleX="1" ScaleY="-1" />
                            <TranslateTransform Y="1" />
                        </TransformGroup>
                    </VisualBrush.RelativeTransform>
                </VisualBrush>
            </Grid.Background>
            <Grid.OpacityMask>
                <LinearGradientBrush StartPoint="0 0" EndPoint="0 1">
                    <GradientStop Offset="0" Color="#80000000" />
                    <GradientStop Offset="1" Color="#00000000" />
                </LinearGradientBrush>
            </Grid.OpacityMask>
        </Grid>
    </StackPanel>
</Window>