C# Avalonia 12- Drawing - RadialGradient

RadialGradient.axaml代码

<Window xmlns="https://github.com/avaloniaui"
        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"
        Height="534" Width="480"
        x:Class="AvaloniaUI.RadialGradient"
        Title="RadialGradient">
    <Grid RowDefinitions="*,*" ColumnDefinitions="*,auto">
        <Ellipse Margin="5"  Stroke="Black" StrokeThickness="1">
            <Ellipse.Fill>
                <RadialGradientBrush RadiusX="100%" RadiusY="100%" >
                    <GradientStop Color="White" Offset="0" />
                    <GradientStop Color="Blue" Offset="1" />
                </RadialGradientBrush>
            </Ellipse.Fill>
        </Ellipse>
        <TextBlock Grid.Column="1" VerticalAlignment="Center" Margin="5">A Radial Gradient</TextBlock>

        <Ellipse Margin="5" Grid.Row="1" Stroke="Black" StrokeThickness="1">
            <Ellipse.Fill>
                <RadialGradientBrush RadiusX="100%" RadiusY="100%" GradientOrigin="70%,30%">
                    <GradientStop Color="White" Offset="0" />
                    <GradientStop Color="Blue" Offset="1" />
                </RadialGradientBrush>
            </Ellipse.Fill>
        </Ellipse>
        <TextBlock Grid.Row="1" Grid.Column="1" VerticalAlignment="Center" Margin="5" TextWrapping="Wrap">A Radial Gradient with an Offset Center</TextBlock>

    </Grid>
</Window>

RadialGradient.axaml.cs代码

using Avalonia;
using Avalonia.Controls;
using Avalonia.Markup.Xaml;

namespace AvaloniaUI;

public partial class RadialGradient : Window
{
    public RadialGradient()
    {
        InitializeComponent();
    }
}

运行效果