prehistoric-systems/Flow.Launcher
1
0
Fork 0
mirror of https://github.com/Flow-Launcher/Flow.Launcher.git synced 2026-03-11 08:54:32 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 2

Cache image brush & Invoke on UI thread

Browse source
This commit is contained in:
Jack251970 2025-02-25 18:14:42 +08:00
parent 1a6733e86d
commit ff45f5f7f5
1 changed files with 13 additions and 4 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

17
Flow.Launcher/Helper/WallpaperPathRetrieval.cs
View file

@ -3,6 +3,7 @@ using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Runtime.InteropServices;
using System.Windows;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using Microsoft.Win32;
@ -15,10 +16,16 @@ public static class WallpaperPathRetrieval
{
private static readonly int MAX_PATH = 260;
private static readonly Dictionary<DateTime, BitmapImage> wallpaperCache = new();
private static readonly Dictionary<DateTime, ImageBrush> wallpaperCache = new();
public static Brush GetWallpaperBrush()
{
// Invoke the method on the UI thread
if (!Application.Current.Dispatcher.CheckAccess())
{
return Application.Current.Dispatcher.Invoke(GetWallpaperBrush);
}
var wallpaper = GetWallpaperPath();
if (wallpaper is not null && File.Exists(wallpaper))
{
@ -28,7 +35,7 @@ public static class WallpaperPathRetrieval
wallpaperCache.TryGetValue(dateModified, out var cachedWallpaper);
if (cachedWallpaper != null)
{
return new ImageBrush(cachedWallpaper) { Stretch = Stretch.UniformToFill };
return cachedWallpaper;
}
// We should not dispose the memory stream since the bitmap is still in use
@ -40,8 +47,10 @@ public static class WallpaperPathRetrieval
bitmap.DecodePixelHeight = 600;
bitmap.EndInit();
bitmap.Freeze(); // Make the bitmap thread-safe
wallpaperCache[dateModified] = bitmap;
return new ImageBrush(bitmap) { Stretch = Stretch.UniformToFill };
var wallpaperBrush = new ImageBrush(bitmap) { Stretch = Stretch.UniformToFill };
wallpaperBrush.Freeze(); // Make the brush thread-safe
wallpaperCache.Add(dateModified, wallpaperBrush);
return wallpaperBrush;
}
var wallpaperColor = GetWallpaperColor();