背水一战 Windows 10 (70) - 控件（控件基类）: UIElement - Transform3D（3D变换）, Projection（3D投影）

时间：2022-10-07 10:46:41

[源码下载]

背水一战 Windows 10 (70) - 控件（控件基类）: UIElement - Transform3D（3D变换）, Projection（3D投影）

作者：webabcd

介绍
背水一战 Windows 10 之 控件（控件基类 - UIElement）

  • Transform3D（3D变换）
  • Projection（3D投影）

示例
1、演示 UIElement 的 3D 变换的应用
Controls/BaseControl/UIElementDemo/Transform3DDemo.xaml

<Page

    x:Class="Windows10.Controls.BaseControl.UIElementDemo.Transform3DDemo"

    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"

    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"

    xmlns:local="using:Windows10.Controls.BaseControl.UIElementDemo"

    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"

    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"

    mc:Ignorable="d">

    <Grid Background="Transparent">

        <!--

            UIElement - UIElement

                Transform3D - 3D 变换（通过 CompositeTransform3D 结合 PerspectiveTransform3D 来完成 3D 变换）

        -->

        <Grid.Transform3D>

            <!--

                PerspectiveTransform3D - 让指定的空间内的元素支持通过 CompositeTransform3D 来实现 3D 变换

                    OffsetX - 透视原点相对于元素中心的 x 方向的偏移量

                    OffsetY - 透视原点相对于元素中心的 y 方向的偏移量

                    Depth - 到 z=0 的平面的距离，必须大于 0，默认值为 1000

            -->

            <PerspectiveTransform3D OffsetX="{x:Bind sliderOX.Value, Mode=OneWay}"

                                    OffsetY="{x:Bind sliderOY.Value, Mode=OneWay}"

                                    Depth="{x:Bind sliderD.Value, Mode=OneWay}">

            </PerspectiveTransform3D>

        </Grid.Transform3D>

        <StackPanel HorizontalAlignment="Center">

            <Image Source="/Assets/hololens.jpg" Width="200" Height="200" Name="image" Margin="5">

                <Image.Transform3D>

                    <!--

                        CompositeTransform3D - 为 UIElement 实现 3D 变换（此 UIElement 的祖辈必须要设置了 PerspectiveTransform3D）

                            CenterX, CenterY, CenterZ - 3D 变换的中心点位置（单位：像素）

                            RotationX, RotationY, RotationZ - 3D 变换的旋转角度（单位：度）

                            ScaleX, ScaleY, ScaleZ - 3D 变换的缩放比例

                            TranslateX, TranslateY, TranslateZ - 3D 变换的位移距离（单位：像素）

                        注意：x 坐标向右为正，y 坐标向下为正，z 坐标向你为正（左手坐标系）

                    -->

                    <CompositeTransform3D CenterX="{x:Bind sliderCX.Value, Mode=OneWay}"

                                          CenterY="{x:Bind sliderCY.Value, Mode=OneWay}"

                                          CenterZ="{x:Bind sliderCZ.Value, Mode=OneWay}"

                                          RotationX="{x:Bind sliderRX.Value, Mode=OneWay}"

                                          RotationY="{x:Bind sliderRY.Value, Mode=OneWay}"

                                          RotationZ="{x:Bind sliderRZ.Value, Mode=OneWay}"

                                          ScaleX="{x:Bind sliderSX.Value, Mode=OneWay}"

                                          ScaleY="{x:Bind sliderSY.Value, Mode=OneWay}"

                                          ScaleZ="{x:Bind sliderSZ.Value, Mode=OneWay}"

                                          TranslateX="{x:Bind sliderTX.Value, Mode=OneWay}"

                                          TranslateY="{x:Bind sliderTY.Value, Mode=OneWay}"

                                          TranslateZ="{x:Bind sliderTZ.Value, Mode=OneWay}">

                    </CompositeTransform3D>

                </Image.Transform3D>

            </Image>

            <StackPanel Orientation="Horizontal" Margin="5">

                <Slider Name="sliderOX" Minimum="-100" Maximum="100" Width="200" Foreground="Orange" Background="White" Style="{StaticResource MySliderStyle}" Margin="10">

                    <Slider.Header>

                        <StackPanel Orientation="Horizontal">

                            <TextBlock Text="OffsetX: "/>

                            <TextBlock Text="{x:Bind sliderOX.Value, Mode=OneWay}" />

                        </StackPanel>

                    </Slider.Header>

                </Slider>

                <Slider Name="sliderOY" Minimum="-100" Maximum="100" Width="200" Foreground="Orange" Background="White" Style="{StaticResource MySliderStyle}" Margin="10">

                    <Slider.Header>

                        <StackPanel Orientation="Horizontal">

                            <TextBlock Text="OffsetY: "/>

                            <TextBlock Text="{x:Bind sliderOY.Value, Mode=OneWay}" />

                        </StackPanel>

                    </Slider.Header>

                </Slider>

                <Slider Name="sliderD" Minimum="100" Maximum="5000" Value="1000" Width="200" Foreground="Orange" Background="White" Style="{StaticResource MySliderStyle}" Margin="10">

                    <Slider.Header>

                        <StackPanel Orientation="Horizontal">

                            <TextBlock Text="Depth: "/>

                            <TextBlock Text="{x:Bind sliderD.Value, Mode=OneWay}" />

                        </StackPanel>

                    </Slider.Header>

                </Slider>

            </StackPanel>

            <StackPanel Orientation="Horizontal" Margin="5">

                <Slider Name="sliderCX" Minimum="-300" Maximum="300" Width="200" Foreground="Orange" Background="White" Style="{StaticResource MySliderStyle}" Margin="10">

                    <Slider.Header>

                        <StackPanel Orientation="Horizontal">

                            <TextBlock Text="CenterX: "/>

                            <TextBlock Text="{x:Bind sliderCX.Value, Mode=OneWay}" />

                        </StackPanel>

                    </Slider.Header>

                </Slider>

                <Slider Name="sliderCY" Minimum="-300" Maximum="300" Width="200" Foreground="Orange" Background="White" Style="{StaticResource MySliderStyle}" Margin="10">

                    <Slider.Header>

                        <StackPanel Orientation="Horizontal">

                            <TextBlock Text="CenterY: "/>

                            <TextBlock Text="{x:Bind sliderCY.Value, Mode=OneWay}" />

                        </StackPanel>

                    </Slider.Header>

                </Slider>

                <Slider Name="sliderCZ" Minimum="-300" Maximum="300" Width="200" Foreground="Orange" Background="White" Style="{StaticResource MySliderStyle}" Margin="10">

                    <Slider.Header>

                        <StackPanel Orientation="Horizontal">

                            <TextBlock Text="CenterZ: "/>

                            <TextBlock Text="{x:Bind sliderCZ.Value, Mode=OneWay}" />

                        </StackPanel>

                    </Slider.Header>

                </Slider>

            </StackPanel>

            <StackPanel Orientation="Horizontal" Margin="5">

                <Slider Name="sliderRX" Minimum="0" Maximum="360" Width="200" Foreground="Orange" Background="White" Style="{StaticResource MySliderStyle}" Margin="10">

                    <Slider.Header>

                        <StackPanel Orientation="Horizontal">

                            <TextBlock Text="RotationX: "/>

                            <TextBlock Text="{x:Bind sliderRX.Value, Mode=OneWay}" />

                        </StackPanel>

                    </Slider.Header>

                </Slider>

                <Slider Name="sliderRY" Minimum="0" Maximum="360" Width="200" Foreground="Orange" Background="White" Style="{StaticResource MySliderStyle}" Margin="10">

                    <Slider.Header>

                        <StackPanel Orientation="Horizontal">

                            <TextBlock Text="RotationY: "/>

                            <TextBlock Text="{x:Bind sliderRY.Value, Mode=OneWay}" />

                        </StackPanel>

                    </Slider.Header>

                </Slider>

                <Slider Name="sliderRZ" Minimum="0" Maximum="360" Width="200" Foreground="Orange" Background="White" Style="{StaticResource MySliderStyle}" Margin="10">

                    <Slider.Header>

                        <StackPanel Orientation="Horizontal">

                            <TextBlock Text="RotationZ: "/>

                            <TextBlock Text="{x:Bind sliderRZ.Value, Mode=OneWay}" />

                        </StackPanel>

                    </Slider.Header>

                </Slider>

            </StackPanel>

            <StackPanel Orientation="Horizontal" Margin="5">

                <Slider Name="sliderSX" Minimum="0.1" Maximum="10" StepFrequency="0.1" Value="1" Width="200" Foreground="Orange" Background="White" Style="{StaticResource MySliderStyle}" Margin="10">

                    <Slider.Header>

                        <StackPanel Orientation="Horizontal">

                            <TextBlock Text="ScaleX: "/>

                            <TextBlock Text="{x:Bind sliderSX.Value, Mode=OneWay}" />

                        </StackPanel>

                    </Slider.Header>

                </Slider>

                <Slider Name="sliderSY" Minimum="0.1" Maximum="10" StepFrequency="0.1" Value="1" Width="200" Foreground="Orange" Background="White" Style="{StaticResource MySliderStyle}" Margin="10">

                    <Slider.Header>

                        <StackPanel Orientation="Horizontal">

                            <TextBlock Text="ScaleY: "/>

                            <TextBlock Text="{x:Bind sliderSY.Value, Mode=OneWay}" />

                        </StackPanel>

                    </Slider.Header>

                </Slider>

                <Slider Name="sliderSZ" Minimum="0.1" Maximum="10" StepFrequency="0.1" Value="1" Width="200" Foreground="Orange" Background="White" Style="{StaticResource MySliderStyle}" Margin="10">

                    <Slider.Header>

                        <StackPanel Orientation="Horizontal">

                            <TextBlock Text="ScaleZ: "/>

                            <TextBlock Text="{x:Bind sliderSZ.Value, Mode=OneWay}" />

                        </StackPanel>

                    </Slider.Header>

                </Slider>

            </StackPanel>

            <StackPanel Orientation="Horizontal" Margin="5">

                <Slider Name="sliderTX" Minimum="-100" Maximum="100" Width="200" Foreground="Orange" Background="White" Style="{StaticResource MySliderStyle}" Margin="10">

                    <Slider.Header>

                        <StackPanel Orientation="Horizontal">

                            <TextBlock Text="TranslateX: "/>

                            <TextBlock Text="{x:Bind sliderTX.Value, Mode=OneWay}" />

                        </StackPanel>

                    </Slider.Header>

                </Slider>

                <Slider Name="sliderTY" Minimum="-100" Maximum="100" Width="200" Foreground="Orange" Background="White" Style="{StaticResource MySliderStyle}" Margin="10">

                    <Slider.Header>

                        <StackPanel Orientation="Horizontal">

                            <TextBlock Text="TranslateY: "/>

                            <TextBlock Text="{x:Bind sliderTY.Value, Mode=OneWay}" />

                        </StackPanel>

                    </Slider.Header>

                </Slider>

                <Slider Name="sliderTZ" Minimum="-100" Maximum="100" Width="200" Foreground="Orange" Background="White" Style="{StaticResource MySliderStyle}" Margin="10">

                    <Slider.Header>

                        <StackPanel Orientation="Horizontal">

                            <TextBlock Text="TranslateZ: "/>

                            <TextBlock Text="{x:Bind sliderTZ.Value, Mode=OneWay}" />

                        </StackPanel>

                    </Slider.Header>

                </Slider>

            </StackPanel>

        </StackPanel>

    </Grid>

</Page>

Controls/BaseControl/UIElementDemo/Transform3DDemo.xaml.cs

/*

 * UIElement - UIElement（继承自 DependencyObject, 请参见 /Controls/BaseControl/DependencyObjectDemo/）

 *     Transform3D - 3D 变换

 *

 *

 * 本例用于演示 UIElement 的 3D 变换的应用

 */

using Windows.UI.Xaml.Controls;

namespace Windows10.Controls.BaseControl.UIElementDemo

{

    public sealed partial class Transform3DDemo : Page

    {

        public Transform3DDemo()

        {

            this.InitializeComponent();

        }

    }

}

2、演示 UIElement 的投影（模拟 3D 效果）的应用
Controls/BaseControl/UIElementDemo/ProjectionDemo.xaml

<Page

    x:Class="Windows10.Controls.BaseControl.UIElementDemo.ProjectionDemo"

    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"

    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"

    xmlns:local="using:Windows10.Controls.BaseControl.UIElementDemo"

    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"

    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"

    mc:Ignorable="d">

    <Grid Background="Transparent">

        <StackPanel Margin="10 0 10 10" HorizontalAlignment="Center">

            <!--

                Projection - 投影（模拟 3D 效果，可用类型有 PlaneProjection 和 Matrix3DProjection）

                PlaneProjection - 将对象投影到平面（通过 x,y,z 方向的旋转和位移控制投影），用于模拟出 UIElement 的 3D 效果

                    RotationX, RotationY, RotationZ - 绕 X轴, Y轴, Z轴 旋转的角度

                    CenterOfRotationX, CenterOfRotationY, CenterOfRotationZ - X轴, Y轴, Z轴 旋转中心点的位置

                        CenterOfRotationX - 相对值，默认值为 0.5 即中心，0 代表 UIElement 的最左端，1 代表 UIElement 的最右端，可以小于 0 也可以大于 1

                        CenterOfRotationY - 相对值，默认值为 0.5 即中心，0 代表 UIElement 的最顶端，1 代表 UIElement 的最底端，可以小于 0 也可以大于 1

                        CenterOfRotationZ - 像素值，默认值为 0，靠向你的方向为正，远离你的方向为负（即左手坐标系）

                    GlobalOffsetX, GlobalOffsetY, GlobalOffsetZ - 沿 X轴, Y轴, Z轴 的偏移量，此 3 个方向与屏幕的 3 个方向相同

                    LocalOffsetX, LocalOffsetY, LocalOffsetZ - 沿 X轴, Y轴, Z轴 的偏移量，此 3 个方向与相关的 UIElement 当前的 3 个方向相同

                    ProjectionMatrix - 获取当前投影的 Matrix3D 投影矩阵

                Matrix3DProjection - 将对象投影到平面（通过 Matrix3D 矩阵控制投影），用于模拟出 UIElement 的 3D 效果

                    ProjectionMatrix - 获取或设置当前投影的 Matrix3D 投影矩阵

            -->

            <Grid HorizontalAlignment="Center" VerticalAlignment="Center" Margin="0 20 0 0">

                <Rectangle Width="200" Height="100" StrokeDashArray="3,1" Stroke="Blue" StrokeThickness="3" />

                <Rectangle Width="200" Height="100" Fill="Yellow" Stroke="Red" StrokeThickness="3" Opacity="0.3">

                    <Rectangle.Projection>

                        <PlaneProjection x:Name="planeProjection"

                                         CenterOfRotationX="{x:Bind sliderCRX.Value, Mode=OneWay}"

                                         CenterOfRotationY="{x:Bind sliderCRY.Value, Mode=OneWay}"

                                         CenterOfRotationZ="{x:Bind sliderCRZ.Value, Mode=OneWay}"

                                         RotationX="{x:Bind sliderRX.Value, Mode=OneWay}"

                                         RotationY="{x:Bind sliderRY.Value, Mode=OneWay}"

                                         RotationZ="{x:Bind sliderRZ.Value, Mode=OneWay}"

                                         LocalOffsetX="{x:Bind sliderLOX.Value, Mode=OneWay}"

                                         LocalOffsetY="{x:Bind sliderLOY.Value, Mode=OneWay}"

                                         LocalOffsetZ="{x:Bind sliderLOZ.Value, Mode=OneWay}"

                                         GlobalOffsetX="{x:Bind sliderGOX.Value, Mode=OneWay}"

                                         GlobalOffsetY="{x:Bind sliderGOY.Value, Mode=OneWay}"

                                         GlobalOffsetZ="{x:Bind sliderGOZ.Value, Mode=OneWay}">

                        </PlaneProjection>

                    </Rectangle.Projection>

                </Rectangle>

            </Grid>

            <StackPanel Orientation="Horizontal" Margin="0 30 0 0">

                <Slider Name="sliderCRX" Minimum="-1" Maximum="2" StepFrequency="0.1" Value="0.5" Width="200" HorizontalAlignment="Left" Foreground="Orange" Background="White" Style="{StaticResource MySliderStyle}" Margin="10">

                    <Slider.Header>

                        <StackPanel Orientation="Horizontal">

                            <TextBlock Text="CenterOfRotationX: "/>

                            <TextBlock Text="{x:Bind sliderCRX.Value, Mode=OneWay}" />

                        </StackPanel>

                    </Slider.Header>

                </Slider>

                <Slider Name="sliderCRY" Minimum="-1" Maximum="2" StepFrequency="0.1" Value="0.5" Width="200" HorizontalAlignment="Left" Foreground="Orange" Background="White" Style="{StaticResource MySliderStyle}" Margin="10">

                    <Slider.Header>

                        <StackPanel Orientation="Horizontal">

                            <TextBlock Text="CenterOfRotationY: "/>

                            <TextBlock Text="{x:Bind sliderCRY.Value, Mode=OneWay}" />

                        </StackPanel>

                    </Slider.Header>

                </Slider>

                <Slider Name="sliderCRZ" Minimum="-100" Maximum="100" Value="0" Width="200" HorizontalAlignment="Left" Foreground="Orange" Background="White" Style="{StaticResource MySliderStyle}" Margin="10">

                    <Slider.Header>

                        <StackPanel Orientation="Horizontal">

                            <TextBlock Text="CenterOfRotationZ: "/>

                            <TextBlock Text="{x:Bind sliderCRZ.Value, Mode=OneWay}" />

                        </StackPanel>

                    </Slider.Header>

                </Slider>

            </StackPanel>

            <StackPanel Orientation="Horizontal">

                <Slider Name="sliderRX" Minimum="0" Maximum="360" Width="200" HorizontalAlignment="Left" Foreground="Orange" Background="White" Style="{StaticResource MySliderStyle}" Margin="10">

                    <Slider.Header>

                        <StackPanel Orientation="Horizontal">

                            <TextBlock Text="RotationX: "/>

                            <TextBlock Text="{x:Bind sliderRX.Value, Mode=OneWay}" />

                        </StackPanel>

                    </Slider.Header>

                </Slider>

                <Slider Name="sliderRY" Minimum="0" Maximum="360" Width="200" HorizontalAlignment="Left" Foreground="Orange" Background="White" Style="{StaticResource MySliderStyle}" Margin="10">

                    <Slider.Header>

                        <StackPanel Orientation="Horizontal">

                            <TextBlock Text="RotationY: "/>

                            <TextBlock Text="{x:Bind sliderRY.Value, Mode=OneWay}" />

                        </StackPanel>

                    </Slider.Header>

                </Slider>

                <Slider Name="sliderRZ" Minimum="0" Maximum="360" Width="200" HorizontalAlignment="Left" Foreground="Orange" Background="White" Style="{StaticResource MySliderStyle}" Margin="10">

                    <Slider.Header>

                        <StackPanel Orientation="Horizontal">

                            <TextBlock Text="RotationZ: "/>

                            <TextBlock Text="{x:Bind sliderRZ.Value, Mode=OneWay}" />

                        </StackPanel>

                    </Slider.Header>

                </Slider>

            </StackPanel>

            <StackPanel Orientation="Horizontal">

                <Slider Name="sliderLOX" Minimum="-150" Maximum="150" Width="200" HorizontalAlignment="Left" Foreground="Orange" Background="White" Style="{StaticResource MySliderStyle}" Margin="10">

                    <Slider.Header>

                        <StackPanel Orientation="Horizontal">

                            <TextBlock Text="LocalOffsetX: "/>

                            <TextBlock Text="{x:Bind sliderLOX.Value, Mode=OneWay}" />

                        </StackPanel>

                    </Slider.Header>

                </Slider>

                <Slider Name="sliderLOY" Minimum="-150" Maximum="150" Width="200" HorizontalAlignment="Left" Foreground="Orange" Background="White" Style="{StaticResource MySliderStyle}" Margin="10">

                    <Slider.Header>

                        <StackPanel Orientation="Horizontal">

                            <TextBlock Text="LocalOffsetY: "/>

                            <TextBlock Text="{x:Bind sliderLOY.Value, Mode=OneWay}" />

                        </StackPanel>

                    </Slider.Header>

                </Slider>

                <Slider Name="sliderLOZ" Minimum="-150" Maximum="150" Width="200" HorizontalAlignment="Left" Foreground="Orange" Background="White" Style="{StaticResource MySliderStyle}" Margin="10">

                    <Slider.Header>

                        <StackPanel Orientation="Horizontal">

                            <TextBlock Text="LocalOffsetZ: "/>

                            <TextBlock Text="{x:Bind sliderLOZ.Value, Mode=OneWay}" />

                        </StackPanel>

                    </Slider.Header>

                </Slider>

            </StackPanel>

            <StackPanel Orientation="Horizontal">

                <Slider Name="sliderGOX" Minimum="-150" Maximum="150" Width="200" HorizontalAlignment="Left" Foreground="Orange" Background="White" Style="{StaticResource MySliderStyle}" Margin="10">

                    <Slider.Header>

                        <StackPanel Orientation="Horizontal">

                            <TextBlock Text="GlobalOffsetX: "/>

                            <TextBlock Text="{x:Bind sliderGOX.Value, Mode=OneWay}" />

                        </StackPanel>

                    </Slider.Header>

                </Slider>

                <Slider Name="sliderGOY" Minimum="-150" Maximum="150" Width="200" HorizontalAlignment="Left" Foreground="Orange" Background="White" Style="{StaticResource MySliderStyle}" Margin="10">

                    <Slider.Header>

                        <StackPanel Orientation="Horizontal">

                            <TextBlock Text="GlobalOffsetY: "/>

                            <TextBlock Text="{x:Bind sliderGOY.Value, Mode=OneWay}" />

                        </StackPanel>

                    </Slider.Header>

                </Slider>

                <Slider Name="sliderGOZ" Minimum="-150" Maximum="150" Width="200" HorizontalAlignment="Left" Foreground="Orange" Background="White" Style="{StaticResource MySliderStyle}" Margin="10">

                    <Slider.Header>

                        <StackPanel Orientation="Horizontal">

                            <TextBlock Text="GlobalOffsetZ: "/>

                            <TextBlock Text="{x:Bind sliderGOZ.Value, Mode=OneWay}" />

                        </StackPanel>

                    </Slider.Header>

                </Slider>

            </StackPanel>

        </StackPanel>

    </Grid>

</Page>

Controls/BaseControl/UIElementDemo/ProjectionDemo.xaml.cs

/*

 * UIElement - UIElement（继承自 DependencyObject, 请参见 /Controls/BaseControl/DependencyObjectDemo/）

 *     Projection - 投影（模拟 3D 效果）

 *         PlaneProjection - 将对象投影到平面（通过 x,y,z 方向的旋转和位移控制投影）

 *         Matrix3DProjection - 将对象投影到平面（通过 Matrix3D 矩阵控制投影）

 *

 *

 * 本例用于演示 UIElement 的投影（模拟 3D 效果）的应用

 */

using Windows.UI.Xaml.Controls;

namespace Windows10.Controls.BaseControl.UIElementDemo

{

    public sealed partial class ProjectionDemo : Page

    {

        public ProjectionDemo()

        {

            this.InitializeComponent();

        }

    }

}

OK
[源码下载]

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