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Code Issues Releases Wiki Activity

Fixed LED UI rendering perf

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This commit is contained in:
SpoinkyNL 2019-08-19 23:10:28 +02:00
parent 71a6181df7
commit 8e7d543a80
2 changed files with 33 additions and 8 deletions
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23
src/Artemis.UI/ViewModels/Controls/RgbDevice/RgbLedViewModel.cs
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@ -28,6 +28,7 @@ namespace Artemis.UI.ViewModels.Controls.RgbDevice
public double Height { get; private set; }
public Geometry DisplayGeometry { get; private set; }
public Geometry StrokeGeometry { get; private set; }
public Color DisplayColor { get; private set; }
public string Tooltip => $"{Led.Id} - {Led.LedRectangle}";
@ -66,6 +67,28 @@ namespace Artemis.UI.ViewModels.Controls.RgbDevice
GeometryCombineMode.Union,
new ScaleTransform(Led.LedRectangle.Width, Led.LedRectangle.Height)
);
// Create a smaller version of the display geometry
var innerGeometry = Geometry.Combine(
Geometry.Empty,
geometry,
GeometryCombineMode.Union,
new TransformGroup
{
Children = new TransformCollection
{
new ScaleTransform(Led.LedRectangle.Width - 2, Led.LedRectangle.Height - 2),
new TranslateTransform(1, 1)
}
}
);
// Stroke geometry is the display geometry excluding the inner geometry
StrokeGeometry = Geometry.Combine(
DisplayGeometry,
innerGeometry,
GeometryCombineMode.Exclude,
null
);
}
public void Update()

18
src/Artemis.UI/Views/Controls/RgbDevice/RgbLedView.xaml
View File

@ -8,20 +8,22 @@
mc:Ignorable="d"
d:DataContext="{d:DesignInstance rgbDevice:RgbLedViewModel}"
d:DesignHeight="450" d:DesignWidth="800">
<Border Width="{Binding Width}" Height="{Binding Height}">
<Border.Background>
<Grid Width="{Binding Width}" Height="{Binding Height}">
<Grid.Background>
<ImageBrush AlignmentX="Center" AlignmentY="Center"
Stretch="Fill"
ImageSource="{Binding Led.Image}" />
</Border.Background>
</Grid.Background>
<Path Data="{Binding DisplayGeometry}" ClipToBounds="False" StrokeThickness="2">
<Path.Fill>
<SolidColorBrush Color="{Binding DisplayColor}" Opacity="0.25" />
</Path.Fill>
<!-- TODO: Causes big perf degradation because it makes the entire path recalculate its size -->
<Path.Stroke>
<SolidColorBrush Color="{Binding DisplayColor}" />
</Path.Stroke>
</Path>
</Border>
<Path Data="{Binding StrokeGeometry}" ClipToBounds="False" StrokeThickness="2">
<Path.Fill>
<SolidColorBrush Color="{Binding DisplayColor}" />
</Path.Fill>
</Path>
</Grid>
</UserControl>