我想在WPF中旋转Grid背景图像。我有用于图像旋转的动画代码。但是当我在网格背景中实现时,Image不被接受,因此Imagebrush仅被接受。
<Grid.Background>
<ImageBrush ImageSource="../Images/1.jpg" Stretch="UniformToFill" TileMode="Tile"/>
</Grid.Background>
我无法在WPF中实现以下动画代码。
<Canvas ClipToBounds="True" >
<Image Source="/Images/1.jpg" Width="600" >
<Image.RenderTransform>
<RotateTransform x:Name="TransRotate" />
</Image.RenderTransform>
<Image.Triggers>
<EventTrigger RoutedEvent="Image.Loaded">
<BeginStoryboard>
<Storyboard TargetProperty="Angle">
<DoubleAnimation Storyboard.TargetName="TransRotate" Storyboard.TargetProperty="Angle" By="40" Duration="0:0:10" AutoReverse="True" RepeatBehavior="Forever" />
<DoubleAnimation Storyboard.TargetName="TransRotate" Storyboard.TargetProperty="Angle" By="-40" Duration="0:0:15" AutoReverse="True" RepeatBehavior="Forever" />
</Storyboard>
</BeginStoryboard>
</EventTrigger>
</Image.Triggers>
</Image>
</Canvas>
编辑1-
如果我将图像设置为网格中的内容,则第0行仅显示图像动画。
<Grid>
<Grid.RowDefinitions>
<RowDefinition Height="Auto" />
<RowDefinition Height="*" />
<RowDefinition Height="*" />
<RowDefinition Height="Auto" />
</Grid.RowDefinitions>
<Canvas ClipToBounds="True" >
<Image Name="logo" Source="/Images/1.jpg" Width="800" >
<Image.RenderTransform>
<RotateTransform x:Name="TransRotate" />
</Image.RenderTransform>
<Image.Triggers>
<EventTrigger RoutedEvent="Image.Loaded">
<BeginStoryboard>
<Storyboard TargetProperty="Angle">
<DoubleAnimation Storyboard.TargetName="TransRotate" Storyboard.TargetProperty="Angle" By="40" Duration="0:0:10" AutoReverse="True" RepeatBehavior="Forever" />
<DoubleAnimation Storyboard.TargetName="TransRotate" Storyboard.TargetProperty="Angle" By="-40" Duration="0:0:15" AutoReverse="True" RepeatBehavior="Forever" />
</Storyboard>
</BeginStoryboard>
</EventTrigger>
</Image.Triggers>
</Image>
</Canvas>
<Border Grid.Row="0" Height="180" >
<Image Source="Images/01.jpg" Height="100" />
</Border>
<Border Grid.Row="1" Height="180">
<Image Source="Images/01.jpg" Height="100" />
</Border>
<Border Grid.Row="2" Height="180">
<Image Source="Images/01.jpg" Height="100" />
</Border>
</Grid>
您可以像下面的示例一样旋转ImageBrush。您可能还需要设置RotateTransform的CenterX
和CenterY
属性。
<Grid>
<Grid.Background>
<ImageBrush ImageSource="C:\Users\Public\Pictures\Sample Pictures\Koala.jpg"
Stretch="UniformToFill">
<ImageBrush.Transform>
<RotateTransform/>
</ImageBrush.Transform>
</ImageBrush>
</Grid.Background>
<Grid.Triggers>
<EventTrigger RoutedEvent="Loaded">
<BeginStoryboard>
<Storyboard>
<DoubleAnimation
Storyboard.TargetProperty="Background.Transform.Angle"
By="40" Duration="0:0:10"
AutoReverse="True" RepeatBehavior="Forever"/>
</Storyboard>
</BeginStoryboard>
</EventTrigger>
</Grid.Triggers>
</Grid>
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