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add stroke check.

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This commit is contained in:
iambossTC 2025-05-14 12:05:54 +08:00
parent e4daa418ca
commit bd23930c5f
1 changed files with 43 additions and 2 deletions
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45
Disp/RenderingCanvas.cs
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@ -9,6 +9,7 @@ using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Collections.Generic;
using Hi.Geom;
using Microsoft.Win32; // Add this for SystemEvents
namespace Hi.Wpf.Disp
{
@ -46,6 +47,32 @@ namespace Hi.Wpf.Disp
private Dictionary<int, Point> PreviousTouchingPointsMap { get; } = new Dictionary<int, Point>();
#endregion
#region Power_Management
/// <summary>
/// Handles system power mode changes
/// </summary>
private void InitializePowerManagement()
{
SystemEvents.PowerModeChanged += SystemEvents_PowerModeChanged;
}
/// <summary>
/// Handles power mode change events
/// </summary>
private void SystemEvents_PowerModeChanged(object sender, PowerModeChangedEventArgs e)
{
switch (e.Mode)
{
case PowerModes.Suspend:
DispEngine.IsVisible = false;
break;
case PowerModes.Resume:
DispEngine.IsVisible = IsVisible;
break;
}
}
#endregion
#region Initialization
/// <summary>
/// Initializes a new instance of the RenderingCanvas
@ -89,6 +116,9 @@ namespace Hi.Wpf.Disp
// Enable touch support
this.IsManipulationEnabled = true;
// Initialize power management
InitializePowerManagement();
// Add the display pane to this control's content
Content = DisplayerPane;
}
@ -221,8 +251,9 @@ namespace Hi.Wpf.Disp
CurrentWindow = null;
}
#endregion
#region DispEngine_Rendering
private byte[] PreImageBgra { get; set; }
/// <summary>
/// Handles the buffer swapped event from DispEngine
/// </summary>
@ -230,7 +261,14 @@ namespace Hi.Wpf.Disp
{
if (data == null)
return;
//since the treatment is different from Razor version,
//the image checking mechanism cannot be set in DispEngine.
Span<byte> bgra = new Span<byte>(data, w * h * 4);
if (PreImageBgra != null && bgra.SequenceEqual(PreImageBgra))
return;
PreImageBgra = bgra.ToArray();
// Copy pixel data from DispEngine
int n = w * h * 4;
byte[] arr = new byte[n];
@ -381,6 +419,9 @@ namespace Hi.Wpf.Disp
{
if (disposing)
{
// Unsubscribe from power events
SystemEvents.PowerModeChanged -= SystemEvents_PowerModeChanged;
// Dispose the DispEngine to free resources
DispEngine.Dispose();
}