histogram implemented
This commit is contained in:
EugeneTes
@@ -6,12 +6,32 @@
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Title="Leerform Calibration"
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Width="1024" Height="800">
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<Window.Styles>
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<Style Selector="Button">
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<Setter Property="Background" Value="White" />
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<Setter Property="Foreground" Value="Red" />
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<Setter Property="BorderBrush" Value="Red" />
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<Setter Property="BorderThickness" Value="1" />
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<Setter Property="FontWeight" Value="Bold" />
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</Style>
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<Style Selector="Button:pointerover /template/ ContentPresenter">
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<Setter Property="Background" Value="#FFEBEE" />
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<Setter Property="BorderBrush" Value="Red" />
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<Setter Property="TextBlock.Foreground" Value="Red" />
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</Style>
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<Style Selector="Button:pressed /template/ ContentPresenter">
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<Setter Property="Background" Value="#FFCDD2" />
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<Setter Property="BorderBrush" Value="Red" />
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<Setter Property="TextBlock.Foreground" Value="Red" />
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</Style>
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</Window.Styles>
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<DockPanel>
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<!-- Toolbar -->
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<StackPanel DockPanel.Dock="Top" Orientation="Horizontal" Spacing="8" Margin="8">
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<Button Content="Start Preview" Command="{Binding StartPreviewCommand}" IsEnabled="{Binding !IsPreviewRunning}" />
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<Button Content="Stop Preview" Command="{Binding StopPreviewCommand}" IsEnabled="{Binding IsPreviewRunning}" />
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<Button Content="Capture Image" Command="{Binding CaptureImageCommand}" />
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<Button Content="START PREVIEW" Command="{Binding StartPreviewCommand}" IsEnabled="{Binding !IsPreviewRunning}" />
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<Button Content="STOP PREVIEW" Command="{Binding StopPreviewCommand}" IsEnabled="{Binding IsPreviewRunning}" />
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<Button Content="CAPTURE IMAGE" Command="{Binding CaptureImageCommand}" />
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</StackPanel>
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<!-- Status Bar -->
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@@ -29,17 +49,14 @@
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</Border>
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<!-- Settings Panel -->
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<Border DockPanel.Dock="Right" Width="260" Padding="12" Background="White">
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<ScrollViewer>
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<StackPanel Spacing="8">
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<Border DockPanel.Dock="Right" Width="290" Padding="12" Background="White">
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<ScrollViewer HorizontalScrollBarVisibility="Disabled" VerticalScrollBarVisibility="Auto">
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<StackPanel Spacing="8" Margin="0,0,20,0">
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<TextBlock Text="Calibration Settings" FontWeight="Bold" FontSize="14" Foreground="Black" />
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<Button Content="Calibrate" Command="{Binding RunCalibrationCommand}" Margin="0,4"
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Background="Red" Foreground="White" FontWeight="Bold" />
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<Button Content="Clear Images" Command="{Binding ClearCalibrationImagesCommand}" Margin="0,4"
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Background="White" Foreground="Red" FontWeight="Bold"
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BorderBrush="Red" BorderThickness="1" />
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<Button Content="CALIBRATE" Command="{Binding RunCalibrationCommand}" Margin="0,4" />
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<Button Content="CLEAR IMAGES" Command="{Binding ClearCalibrationImagesCommand}" Margin="0,4" />
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<Separator Margin="0,8" />
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@@ -85,15 +102,12 @@
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<Separator Margin="0,8" />
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<Button Content="Set Reference" Command="{Binding SetReferenceHistogramCommand}" Margin="0,4"
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Background="#2E7D32" Foreground="White" FontWeight="Bold" HorizontalAlignment="Stretch" />
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<TextBlock Text="✓ Reference set" Foreground="LimeGreen" IsVisible="{Binding HasReferenceHistogram}" />
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<Button Content="SET REFERENCE (RESETS SPLINES)" Command="{Binding SetReferenceHistogramCommand}" Margin="0,4"
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HorizontalAlignment="Stretch" />
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<TextBlock Text="✓ Average spline set" Foreground="LimeGreen" IsVisible="{Binding HasAverageSpline}" />
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<TextBlock Text="Tolerance" Foreground="Black" Margin="0,4,0,0" />
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<NumericUpDown Value="{Binding Tolerance}" Minimum="0" Maximum="1" Increment="0.05" FormatString="0.00" />
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<Button Content="Test Pattern" Command="{Binding TestPatternCommand}" Margin="0,4"
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Background="#1565C0" Foreground="White" FontWeight="Bold" HorizontalAlignment="Stretch" />
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<Button Content="TEST PATTERN" Command="{Binding TestPatternCommand}" Margin="0,4"
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HorizontalAlignment="Stretch" />
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<Separator Margin="0,8" />
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@@ -105,8 +119,8 @@
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</MultiBinding>
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</TextBlock.Text>
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</TextBlock>
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<Button Content="Save Recipe" Command="{Binding SaveRecipeCommand}" Margin="0,4"
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Background="#6A1B9A" Foreground="White" FontWeight="Bold" HorizontalAlignment="Stretch" />
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<Button Content="SAVE RECIPE" Command="{Binding SaveRecipeCommand}" Margin="0,4"
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HorizontalAlignment="Stretch" />
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</StackPanel>
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</ScrollViewer>
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</Border>
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@@ -1,26 +1,43 @@
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<Window xmlns="https://github.com/avaloniaui"
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xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
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xmlns:vm="using:LindtLeerformPlugin.ViewModels"
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xmlns:v="using:LindtLeerformPlugin.Views"
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x:Class="LindtLeerformPlugin.Views.CellHistogramWindow"
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x:DataType="vm:CellHistogramViewModel"
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Title="{Binding Title}"
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Width="720" Height="600"
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Width="820" Height="560"
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Background="#1A1A1A"
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WindowStartupLocation="CenterOwner">
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WindowStartupLocation="CenterOwner"
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ShowInTaskbar="False"
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CanResize="True">
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<ScrollViewer>
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<StackPanel Spacing="12" Margin="16">
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<TextBlock Text="Reference (learned)" FontWeight="Bold" Foreground="White" FontSize="14" />
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<Border Background="#0A0A0A" Padding="4">
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<Image Source="{Binding ReferenceImage}" Stretch="Uniform" Height="220" />
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</Border>
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<TextBlock Text="Selected cell" FontWeight="Bold" Foreground="White" FontSize="14" Margin="0,8,0,0" />
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<Border Background="#0A0A0A" Padding="4">
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<Image Source="{Binding CellImage}" Stretch="Uniform" Height="220" />
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</Border>
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<TextBlock Text="{Binding DistanceText}" Foreground="LightGray" FontSize="13" Margin="0,8,0,0" />
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<DockPanel Margin="12">
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<StackPanel DockPanel.Dock="Top" Spacing="4" Margin="0,0,0,8">
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<TextBlock Text="Drag the gray dashed handles to edit the AVERAGE spline. Use 'Override Cell' to give this cell its own spline."
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Foreground="LightGray" FontSize="12" TextWrapping="Wrap" />
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<TextBlock Text="A cell is BAD when any histogram bar rises above its active spline."
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Foreground="#888888" FontSize="11" TextWrapping="Wrap" />
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</StackPanel>
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</ScrollViewer>
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<StackPanel DockPanel.Dock="Bottom" Orientation="Horizontal" Spacing="8" Margin="0,12,0,0">
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<Button Content="Override Cell"
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Command="{Binding CreateOverrideCommand}"
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IsVisible="{Binding !HasOverride}"
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Background="#FF8C00" Foreground="Black" FontWeight="Bold" />
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<Button Content="Remove Override"
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Command="{Binding RemoveOverrideCommand}"
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IsVisible="{Binding HasOverride}"
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Background="#8B0000" Foreground="White" FontWeight="Bold" />
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<TextBlock Text="{Binding VerdictText}" Foreground="LightGray"
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VerticalAlignment="Center" FontSize="13" />
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</StackPanel>
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<Border Background="#0A0A0A" Padding="2">
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<v:SplineHistogramEditor x:Name="Editor"
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Histogram="{Binding CellHistogram}"
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CellSpline="{Binding CellSpline, Mode=TwoWay}"
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AverageSpline="{Binding AverageSpline, Mode=TwoWay}"
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Bins="{Binding Bins}" />
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</Border>
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</DockPanel>
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</Window>
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@@ -1,4 +1,5 @@
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using Avalonia.Controls;
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using LindtLeerformPlugin.ViewModels;
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namespace LindtLeerformPlugin.Views;
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@@ -7,5 +8,7 @@ public partial class CellHistogramWindow : Window
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public CellHistogramWindow()
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{
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InitializeComponent();
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Editor.SplineDragCompleted += (_, _) =>
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(DataContext as CellHistogramViewModel)?.RaiseDragCompleted();
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}
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}
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305
Plugins/LindtLeerformPlugin/Views/SplineHistogramEditor.cs
Normal file
305
Plugins/LindtLeerformPlugin/Views/SplineHistogramEditor.cs
Normal file
@@ -0,0 +1,305 @@
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using Avalonia;
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using Avalonia.Controls;
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using Avalonia.Input;
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using Avalonia.Media;
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using LindtLeerformPlugin.Services;
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namespace LindtLeerformPlugin.Views;
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/// <summary>
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/// Custom Avalonia control that draws a histogram as colored bars and overlays an editable
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/// average spline (faint dashed gray) plus an optional editable cell spline (bright orange).
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/// Five control points per spline; X positions are fixed and only Y is dragged.
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/// </summary>
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public class SplineHistogramEditor : Control
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{
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public static readonly StyledProperty<float[]?> HistogramProperty =
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AvaloniaProperty.Register<SplineHistogramEditor, float[]?>(nameof(Histogram));
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public static readonly StyledProperty<float[]?> CellSplineProperty =
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AvaloniaProperty.Register<SplineHistogramEditor, float[]?>(
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nameof(CellSpline), defaultBindingMode: Avalonia.Data.BindingMode.TwoWay);
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public static readonly StyledProperty<float[]?> AverageSplineProperty =
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AvaloniaProperty.Register<SplineHistogramEditor, float[]?>(
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nameof(AverageSpline), defaultBindingMode: Avalonia.Data.BindingMode.TwoWay);
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public static readonly StyledProperty<int[]?> BinsProperty =
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AvaloniaProperty.Register<SplineHistogramEditor, int[]?>(nameof(Bins));
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public float[]? Histogram
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{
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get => GetValue(HistogramProperty);
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set => SetValue(HistogramProperty, value);
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}
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public float[]? CellSpline
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{
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get => GetValue(CellSplineProperty);
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set => SetValue(CellSplineProperty, value);
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}
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public float[]? AverageSpline
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{
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get => GetValue(AverageSplineProperty);
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set => SetValue(AverageSplineProperty, value);
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}
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public int[]? Bins
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{
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get => GetValue(BinsProperty);
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set => SetValue(BinsProperty, value);
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}
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private const double LeftPad = 12;
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private const double RightPad = 12;
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private const double TopPad = 12;
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private const double BottomPad = 18;
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private const double HitRadius = 12;
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private const double HandleRadius = 6;
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private static readonly IBrush BackgroundBrush = new SolidColorBrush(Color.FromRgb(20, 20, 20));
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private static readonly IPen AxisPen = new Pen(new SolidColorBrush(Color.FromRgb(80, 80, 80)), 1);
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private static readonly IPen AverageSplinePen = new Pen(
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new SolidColorBrush(Color.FromRgb(170, 170, 170)), 2,
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dashStyle: new DashStyle(new double[] { 4, 4 }, 0));
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private static readonly IBrush AverageHandleFill = new SolidColorBrush(Color.FromRgb(220, 220, 220));
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private static readonly IPen AverageHandleStroke = new Pen(new SolidColorBrush(Color.FromRgb(80, 80, 80)), 1);
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private static readonly IPen CellSplinePen = new Pen(new SolidColorBrush(Color.FromRgb(255, 140, 0)), 2.5);
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private static readonly IBrush CellHandleFill = new SolidColorBrush(Color.FromRgb(255, 140, 0));
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private static readonly IPen CellHandleStroke = new Pen(Brushes.Black, 1);
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static SplineHistogramEditor()
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{
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AffectsRender<SplineHistogramEditor>(
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HistogramProperty, CellSplineProperty, AverageSplineProperty, BinsProperty);
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}
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public SplineHistogramEditor()
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{
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// Render() fills the bounds, and Control hit-tests its full Bounds rectangle by
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// default, so we just need to be focusable for pointer capture during drag.
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Focusable = true;
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}
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// Cached handle pixel positions, refreshed at every Render(). Indexed [0..4].
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private readonly Point[] _avgHandlePixels = new Point[SplineCurve.KnotCount];
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private readonly Point[] _cellHandlePixels = new Point[SplineCurve.KnotCount];
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private SplineKind _draggingKind = SplineKind.None;
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private int _draggingIndex = -1;
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/// <summary>Raised on pointer release after a spline handle drag has completed.</summary>
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public event EventHandler? SplineDragCompleted;
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private enum SplineKind { None, Average, Cell }
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public override void Render(DrawingContext ctx)
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{
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var bounds = new Rect(Bounds.Size);
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ctx.FillRectangle(BackgroundBrush, bounds);
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var plotRect = new Rect(
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LeftPad, TopPad,
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Math.Max(1, Bounds.Width - LeftPad - RightPad),
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Math.Max(1, Bounds.Height - TopPad - BottomPad));
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DrawAxes(ctx, plotRect);
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var hist = Histogram;
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var bins = Bins;
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var binCount = (hist?.Length) ?? (bins is { Length: 3 } ? bins[0] * bins[1] * bins[2] : 0);
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// Fixed [0, 1] Y axis — no auto-zoom. Bins and splines are L1-normalised so 1.0
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// is the natural ceiling and the user always sees an absolute scale.
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const double displayMax = 1.0;
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if (hist != null && hist.Length > 0 && bins is { Length: 3 })
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DrawBars(ctx, plotRect, hist, bins, displayMax);
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if (binCount <= 0)
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binCount = 125; // safe default for spline rendering when histogram is missing
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DrawSpline(ctx, plotRect, AverageSpline, AverageSplinePen, displayMax, binCount,
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_avgHandlePixels, AverageHandleFill, AverageHandleStroke, drawHandles: AverageSpline is { Length: SplineCurve.KnotCount });
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DrawSpline(ctx, plotRect, CellSpline, CellSplinePen, displayMax, binCount,
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_cellHandlePixels, CellHandleFill, CellHandleStroke, drawHandles: CellSpline is { Length: SplineCurve.KnotCount });
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}
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private static void DrawAxes(DrawingContext ctx, Rect plot)
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{
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ctx.DrawLine(AxisPen, new Point(plot.Left, plot.Bottom), new Point(plot.Right, plot.Bottom));
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ctx.DrawLine(AxisPen, new Point(plot.Left, plot.Top), new Point(plot.Left, plot.Bottom));
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}
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private static void DrawBars(DrawingContext ctx, Rect plot, float[] hist, int[] bins, double displayMax)
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{
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var totalBins = bins[0] * bins[1] * bins[2];
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if (totalBins <= 0) return;
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var barWidth = plot.Width / totalBins;
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for (var i = 0; i < totalBins && i < hist.Length; i++)
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{
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var binB = i / (bins[1] * bins[2]);
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var binG = (i / bins[2]) % bins[1];
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var binR = i % bins[2];
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var b = (byte)Math.Min(255, (int)((binB + 0.5) * 256 / bins[0]));
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var g = (byte)Math.Min(255, (int)((binG + 0.5) * 256 / bins[1]));
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var r = (byte)Math.Min(255, (int)((binR + 0.5) * 256 / bins[2]));
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var brush = new SolidColorBrush(Color.FromRgb(r, g, b));
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var v = hist[i];
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if (v < 0) v = 0;
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var h = v / displayMax * plot.Height;
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if (h < 0) h = 0;
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if (h > plot.Height) h = plot.Height;
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var x = plot.Left + i * barWidth;
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var y = plot.Bottom - h;
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ctx.FillRectangle(brush, new Rect(x, y, Math.Max(1, barWidth), h));
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}
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}
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private void DrawSpline(DrawingContext ctx, Rect plot, float[]? knots, IPen curvePen,
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double displayMax, int binCount, Point[] handleCache, IBrush handleFill, IPen handleStroke,
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bool drawHandles)
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{
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if (knots == null || knots.Length < 2 || displayMax <= 0)
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{
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for (var k = 0; k < handleCache.Length; k++) handleCache[k] = new Point(double.NaN, double.NaN);
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return;
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}
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// Sample the spline along the plot width and stroke a polyline.
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var steps = Math.Max(64, (int)plot.Width);
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var geometry = new StreamGeometry();
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using (var sgc = geometry.Open())
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{
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for (var s = 0; s <= steps; s++)
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{
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var t = (double)s / steps;
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var y = SplineCurve.Evaluate(knots, t);
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var px = plot.Left + t * plot.Width;
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var py = plot.Bottom - Math.Clamp(y / displayMax, 0, 1) * plot.Height;
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var p = new Point(px, py);
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if (s == 0) sgc.BeginFigure(p, false);
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else sgc.LineTo(p);
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}
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sgc.EndFigure(false);
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}
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ctx.DrawGeometry(null, curvePen, geometry);
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// Cache and draw handles at the knot positions.
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if (knots.Length <= handleCache.Length)
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{
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for (var k = 0; k < knots.Length; k++)
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{
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var t = knots.Length == 1 ? 0.0 : (double)k / (knots.Length - 1);
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var px = plot.Left + t * plot.Width;
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var py = plot.Bottom - Math.Clamp(knots[k] / displayMax, 0, 1) * plot.Height;
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handleCache[k] = new Point(px, py);
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if (drawHandles)
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{
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ctx.DrawEllipse(handleFill, handleStroke, handleCache[k], HandleRadius, HandleRadius);
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}
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}
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}
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}
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protected override void OnPointerPressed(PointerPressedEventArgs e)
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{
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base.OnPointerPressed(e);
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var props = e.GetCurrentPoint(this).Properties;
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if (!props.IsLeftButtonPressed) return;
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var pos = e.GetPosition(this);
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// Cell handles take priority over average handles when both overlap.
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var hit = HitTest(pos, _cellHandlePixels, requireCellSpline: true);
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if (hit >= 0)
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{
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_draggingKind = SplineKind.Cell;
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_draggingIndex = hit;
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}
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else
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{
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hit = HitTest(pos, _avgHandlePixels, requireCellSpline: false);
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if (hit < 0) return;
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_draggingKind = SplineKind.Average;
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_draggingIndex = hit;
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}
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e.Pointer.Capture(this);
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ApplyDrag(pos);
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e.Handled = true;
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}
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protected override void OnPointerMoved(PointerEventArgs e)
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{
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base.OnPointerMoved(e);
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if (_draggingKind == SplineKind.None) return;
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var pos = e.GetPosition(this);
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ApplyDrag(pos);
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e.Handled = true;
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}
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protected override void OnPointerReleased(PointerReleasedEventArgs e)
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{
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base.OnPointerReleased(e);
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if (_draggingKind == SplineKind.None) return;
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||||
_draggingKind = SplineKind.None;
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_draggingIndex = -1;
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if (e.Pointer.Captured == this)
|
||||
e.Pointer.Capture(null);
|
||||
e.Handled = true;
|
||||
SplineDragCompleted?.Invoke(this, EventArgs.Empty);
|
||||
}
|
||||
|
||||
private int HitTest(Point pos, Point[] handles, bool requireCellSpline)
|
||||
{
|
||||
if (requireCellSpline && CellSpline is not { Length: SplineCurve.KnotCount }) return -1;
|
||||
|
||||
for (var i = 0; i < handles.Length; i++)
|
||||
{
|
||||
var h = handles[i];
|
||||
if (double.IsNaN(h.X)) continue;
|
||||
var dx = pos.X - h.X;
|
||||
var dy = pos.Y - h.Y;
|
||||
if (dx * dx + dy * dy <= HitRadius * HitRadius)
|
||||
return i;
|
||||
}
|
||||
return -1;
|
||||
}
|
||||
|
||||
private void ApplyDrag(Point pos)
|
||||
{
|
||||
if (_draggingIndex < 0) return;
|
||||
|
||||
var plotRect = new Rect(
|
||||
LeftPad, TopPad,
|
||||
Math.Max(1, Bounds.Width - LeftPad - RightPad),
|
||||
Math.Max(1, Bounds.Height - TopPad - BottomPad));
|
||||
|
||||
var rel = (plotRect.Bottom - pos.Y) / plotRect.Height;
|
||||
var newY = (float)Math.Clamp(rel, 0.0, 1.0);
|
||||
|
||||
if (_draggingKind == SplineKind.Average)
|
||||
{
|
||||
var current = AverageSpline;
|
||||
if (current is not { Length: SplineCurve.KnotCount }) return;
|
||||
var copy = (float[])current.Clone();
|
||||
copy[_draggingIndex] = newY;
|
||||
SetCurrentValue(AverageSplineProperty, copy);
|
||||
}
|
||||
else if (_draggingKind == SplineKind.Cell)
|
||||
{
|
||||
var current = CellSpline;
|
||||
if (current is not { Length: SplineCurve.KnotCount }) return;
|
||||
var copy = (float[])current.Clone();
|
||||
copy[_draggingIndex] = newY;
|
||||
SetCurrentValue(CellSplineProperty, copy);
|
||||
}
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user