DarthAffe/Artemis
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Code Issues Releases Wiki Activity

Device visualizer - Unsubscribe from surface on unload

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This commit is contained in:
SpoinkyNL 2020-04-15 20:17:46 +02:00
parent efa0f28231
commit ae48ebc13a
2 changed files with 80 additions and 70 deletions
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146
src/Artemis.UI.Shared/Controls/DeviceVisualizer.cs
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@ -1,18 +1,15 @@
using System;
using System.Collections.Generic;
using System.IO;
using System.Text;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using Artemis.Core.Models.Surface;
using RGB.NET.Core;
using Stylet;
namespace Artemis.UI.Shared.Controls
{
public class DeviceVisualizer : FrameworkElement
public class DeviceVisualizer : FrameworkElement, IDisposable
{
public static readonly DependencyProperty DeviceProperty = DependencyProperty.Register(nameof(Device), typeof(ArtemisDevice), typeof(DeviceVisualizer),
new FrameworkPropertyMetadata(default(ArtemisDevice), FrameworkPropertyMetadataOptions.AffectsRender, DevicePropertyChangedCallback));
@ -20,18 +17,26 @@ namespace Artemis.UI.Shared.Controls
public static readonly DependencyProperty ShowColorsProperty = DependencyProperty.Register(nameof(ShowColors), typeof(bool), typeof(DeviceVisualizer),
new FrameworkPropertyMetadata(default(bool), FrameworkPropertyMetadataOptions.AffectsRender));
private readonly DrawingGroup _backingStore;
private readonly List<DeviceVisualizerLed> _deviceVisualizerLeds;
private BitmapImage _deviceImage;
private List<DeviceVisualizerLed> _deviceVisualizerLeds;
private DrawingGroup _backingStore;
private RGBSurface _subscribedSurface;
private static void DevicePropertyChangedCallback(DependencyObject d, DependencyPropertyChangedEventArgs e)
public DeviceVisualizer()
{
var deviceVisualizer = (DeviceVisualizer) d;
deviceVisualizer.Dispatcher.Invoke(() =>
_backingStore = new DrawingGroup();
_deviceVisualizerLeds = new List<DeviceVisualizerLed>();
Unloaded += (sender, args) => Dispose();
}
public void Dispose()
{
if (_subscribedSurface != null)
{
deviceVisualizer.SubscribeToSurfaceUpdate((ArtemisDevice) e.OldValue, (ArtemisDevice) e.NewValue);
deviceVisualizer.Initialize();
});
_subscribedSurface.Updated -= RgbSurfaceOnUpdated;
_subscribedSurface = null;
}
}
public ArtemisDevice Device
@ -46,61 +51,6 @@ namespace Artemis.UI.Shared.Controls
set => SetValue(ShowColorsProperty, value);
}
public DeviceVisualizer()
{
_backingStore = new DrawingGroup();
_deviceVisualizerLeds = new List<DeviceVisualizerLed>();
}
private void Initialize()
{
_deviceImage = null;
_deviceVisualizerLeds.Clear();
if (Device == null)
return;
// Load the device main image
if (Device.RgbDevice?.DeviceInfo?.Image?.AbsolutePath != null && File.Exists(Device.RgbDevice.DeviceInfo.Image.AbsolutePath))
_deviceImage = new BitmapImage(Device.RgbDevice.DeviceInfo.Image);
// Create all the LEDs
foreach (var artemisLed in Device.Leds)
{
_deviceVisualizerLeds.Add(new DeviceVisualizerLed(artemisLed));
}
}
private void SubscribeToSurfaceUpdate(ArtemisDevice oldValue, ArtemisDevice newValue)
{
if (oldValue != null)
oldValue.Surface.RgbSurface.Updated -= RgbSurfaceOnUpdated;
if (newValue != null)
newValue.Surface.RgbSurface.Updated += RgbSurfaceOnUpdated;
}
private void RgbSurfaceOnUpdated(UpdatedEventArgs args)
{
Dispatcher.Invoke(() =>
{
if (ShowColors)
{
Render();
}
});
}
private void Render()
{
var drawingContext = _backingStore.Open();
foreach (var deviceVisualizerLed in _deviceVisualizerLeds)
deviceVisualizerLed.Render(drawingContext, true);
drawingContext.Close();
}
protected override void OnRender(DrawingContext drawingContext)
{
if (Device == null)
@ -109,7 +59,7 @@ namespace Artemis.UI.Shared.Controls
// Determine the scale required to fit the desired size of the control
var scale = Math.Min(DesiredSize.Width / Device.RgbDevice.Size.Width, DesiredSize.Height / Device.RgbDevice.Size.Height);
var scaledRect = new Rect(0, 0, Device.RgbDevice.Size.Width * scale, Device.RgbDevice.Size.Height * scale);
// Center and scale the visualization in the desired bounding box
if (DesiredSize.Width > 0 && DesiredSize.Height > 0)
{
@ -126,5 +76,65 @@ namespace Artemis.UI.Shared.Controls
drawingContext.DrawDrawing(_backingStore);
}
private static void DevicePropertyChangedCallback(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
var deviceVisualizer = (DeviceVisualizer) d;
deviceVisualizer.Dispatcher.Invoke(() =>
{
deviceVisualizer.SubscribeToSurfaceUpdate((ArtemisDevice) e.NewValue);
deviceVisualizer.Initialize();
});
}
private void Initialize()
{
_deviceImage = null;
_deviceVisualizerLeds.Clear();
if (Device == null)
return;
// Load the device main image
if (Device.RgbDevice?.DeviceInfo?.Image?.AbsolutePath != null && File.Exists(Device.RgbDevice.DeviceInfo.Image.AbsolutePath))
_deviceImage = new BitmapImage(Device.RgbDevice.DeviceInfo.Image);
// Create all the LEDs
foreach (var artemisLed in Device.Leds) _deviceVisualizerLeds.Add(new DeviceVisualizerLed(artemisLed));
}
private void SubscribeToSurfaceUpdate(ArtemisDevice newValue)
{
if (newValue.Surface.RgbSurface == _subscribedSurface)
return;
// Remove subscription from old surface
if (_subscribedSurface != null)
_subscribedSurface.Updated -= RgbSurfaceOnUpdated;
// Subscribe to new surface
if (newValue.Surface.RgbSurface != null)
newValue.Surface.RgbSurface.Updated += RgbSurfaceOnUpdated;
_subscribedSurface = newValue.Surface.RgbSurface;
}
private void RgbSurfaceOnUpdated(UpdatedEventArgs e)
{
Dispatcher.Invoke(() =>
{
if (ShowColors) Render();
});
}
private void Render()
{
var drawingContext = _backingStore.Open();
foreach (var deviceVisualizerLed in _deviceVisualizerLeds)
deviceVisualizerLed.Render(drawingContext, true);
drawingContext.Close();
}
}
}

4
src/Artemis.UI/Screens/Module/ProfileEditor/Visualization/ProfileLayerView.xaml
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@ -49,8 +49,8 @@
<Rectangle Width="{Binding LayerRect.Width}"
Height="{Binding LayerRect.Height}"
Margin="{Binding LayerRectMargin}"
StrokeThickness="2"
StrokeDashArray="1 1"
StrokeThickness="1"
StrokeDashArray="4 2"
StrokeLineJoin="Round"
x:Name="LayerPath">
<Rectangle.Stroke>