Fix #825 properly

QuickLook.Plugin/QuickLook.Plugin.ImageViewer/AnimatedImage/AnimatedImage.cs

@@ -50,10 +50,10 @@ namespace QuickLook.Plugin.ImageViewer.AnimatedImage
 
         private static AnimationProvider InitAnimationProvider(Uri path, MetaProvider meta)
         {
-            var ext = Path.GetExtension(path.OriginalString).ToLower();
+            var ext = Path.GetExtension(path.LocalPath).ToLower();
             var type = Providers.First(p => p.Key.Contains(ext) || p.Key.Contains("*")).Value;
 
-            var provider = type.CreateInstance<AnimationProvider>(path.OriginalString, meta);
+            var provider = type.CreateInstance<AnimationProvider>(path, meta);
 
             return provider;
         }

QuickLook.Plugin/QuickLook.Plugin.ImageViewer/AnimatedImage/AnimationProvider.cs

@@ -25,13 +25,13 @@ namespace QuickLook.Plugin.ImageViewer.AnimatedImage
 {
     internal abstract class AnimationProvider : IDisposable
     {
-        protected AnimationProvider(string path, MetaProvider meta)
+        protected AnimationProvider(Uri path, MetaProvider meta)
         {
             Path = path;
             Meta = meta;
         }
 
-        public string Path { get; }
+        public Uri Path { get; }
 
         public MetaProvider Meta { get; }
 

QuickLook.Plugin/QuickLook.Plugin.ImageViewer/AnimatedImage/Providers/APngProvider.cs

@@ -37,16 +37,16 @@ namespace QuickLook.Plugin.ImageViewer.AnimatedImage.Providers
         private int _lastEffectivePreviousPreviousFrameIndex;
         private NativeProvider _nativeImageProvider;
 
-        public APngProvider(string path, MetaProvider meta) : base(path, meta)
+        public APngProvider(Uri path, MetaProvider meta) : base(path, meta)
         {
-            if (!IsAnimatedPng(path))
+            if (!IsAnimatedPng(path.LocalPath))
             {
                 _nativeImageProvider = new NativeProvider(path, meta);
                 Animator = _nativeImageProvider.Animator;
                 return;
             }
 
-            var decoder = new APNGBitmap(path);
+            var decoder = new APNGBitmap(path.LocalPath);
 
             _baseFrame = decoder.DefaultImage;
             _frames = new List<FrameInfo>(decoder.Frames.Length);

QuickLook.Plugin/QuickLook.Plugin.ImageViewer/AnimatedImage/Providers/DcrawProvider.cs

@@ -21,7 +21,7 @@ namespace QuickLook.Plugin.ImageViewer.AnimatedImage.Providers
 {
     internal class DcrawProvider : NativeProvider
     {
-        public DcrawProvider(string path, MetaProvider meta) : base(path, meta)
+        public DcrawProvider(Uri path, MetaProvider meta) : base(path, meta)
         {
             throw new NotImplementedException();
         }

QuickLook.Plugin/QuickLook.Plugin.ImageViewer/AnimatedImage/Providers/GifProvider.cs

@@ -33,15 +33,15 @@ namespace QuickLook.Plugin.ImageViewer.AnimatedImage.Providers
         private bool _isPlaying;
         private NativeProvider _nativeProvider;
 
-        public GifProvider(string path, MetaProvider meta) : base(path, meta)
+        public GifProvider(Uri path, MetaProvider meta) : base(path, meta)
         {
-            if (!ImageAnimator.CanAnimate(Image.FromFile(path)))
+            if (!ImageAnimator.CanAnimate(Image.FromFile(path.LocalPath)))
             {
                 _nativeProvider = new NativeProvider(path, meta);
                 return;
             }
 
-            _fileHandle = (Bitmap) Image.FromFile(path);
+            _fileHandle = (Bitmap) Image.FromFile(path.LocalPath);
 
             _fileHandle.SetResolution(DpiHelper.DefaultDpi * DpiHelper.GetCurrentScaleFactor().Horizontal,
                 DpiHelper.DefaultDpi * DpiHelper.GetCurrentScaleFactor().Vertical);

QuickLook.Plugin/QuickLook.Plugin.ImageViewer/AnimatedImage/Providers/ImageMagickProvider.cs

@@ -30,7 +30,7 @@ namespace QuickLook.Plugin.ImageViewer.AnimatedImage.Providers
 {
     internal class ImageMagickProvider : AnimationProvider
     {
-        public ImageMagickProvider(string path, MetaProvider meta) : base(path, meta)
+        public ImageMagickProvider(Uri path, MetaProvider meta) : base(path, meta)
         {
             Animator = new Int32AnimationUsingKeyFrames();
             Animator.KeyFrames.Add(new DiscreteInt32KeyFrame(0,
@@ -90,7 +90,7 @@ namespace QuickLook.Plugin.ImageViewer.AnimatedImage.Providers
 
                 try
                 {
-                    using (var mi = new MagickImage(Path, settings))
+                    using (var mi = new MagickImage(Path.LocalPath, settings))
                     {
                         var profile = mi.GetColorProfile();
                         if (mi.ColorSpace == ColorSpace.RGB || mi.ColorSpace == ColorSpace.sRGB ||

QuickLook.Plugin/QuickLook.Plugin.ImageViewer/AnimatedImage/Providers/NativeProvider.cs

@@ -27,7 +27,7 @@ namespace QuickLook.Plugin.ImageViewer.AnimatedImage.Providers
 {
     internal class NativeProvider : AnimationProvider
     {
-        public NativeProvider(string path, MetaProvider meta) : base(path, meta)
+        public NativeProvider(Uri path, MetaProvider meta) : base(path, meta)
         {
             Animator = new Int32AnimationUsingKeyFrames();
             Animator.KeyFrames.Add(new DiscreteInt32KeyFrame(0,
@@ -55,7 +55,7 @@ namespace QuickLook.Plugin.ImageViewer.AnimatedImage.Providers
                 {
                     var img = new BitmapImage();
                     img.BeginInit();
-                    img.UriSource = new Uri(Path);
+                    img.UriSource = Path;
                     img.CacheOption = BitmapCacheOption.OnLoad;
                     // specific renderSize to avoid .net's double to int conversion
                     img.DecodePixelWidth = rotate ? decodeHeight : decodeWidth;
@@ -94,7 +94,7 @@ namespace QuickLook.Plugin.ImageViewer.AnimatedImage.Providers
                 {
                     var img = new BitmapImage();
                     img.BeginInit();
-                    img.UriSource = new Uri(Path);
+                    img.UriSource = Path;
                     img.CacheOption = BitmapCacheOption.OnLoad;
                     img.DecodePixelWidth = (int) (rotate ? fullSize.Height : fullSize.Width);
                     img.DecodePixelHeight = (int) (rotate ? fullSize.Width : fullSize.Height);

QuickLook.Plugin/QuickLook.Plugin.ImageViewer/Helper.cs

@@ -15,7 +15,10 @@
 // You should have received a copy of the GNU General Public License
 // along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
+using System;
+using System.IO;
 using System.Reflection;
+using System.Text;
 using System.Windows.Media.Imaging;
 using QuickLook.Common.Helpers;
 
@@ -37,5 +40,32 @@ namespace QuickLook.Plugin.ImageViewer
             dpiX?.SetValue(img, newDpiX);
             dpiY?.SetValue(img, newDpiY);
         }
+
+        public static Uri FilePathToFileUrl(string filePath)
+        {
+            var uri = new StringBuilder();
+            foreach (var v in filePath)
+                if (v >= 'a' && v <= 'z' || v >= 'A' && v <= 'Z' || v >= '0' && v <= '9' ||
+                    v == '+' || v == '/' || v == ':' || v == '.' || v == '-' || v == '_' || v == '~' ||
+                    v > '\x80')
+                    uri.Append(v);
+                else if (v == Path.DirectorySeparatorChar || v == Path.AltDirectorySeparatorChar)
+                    uri.Append('/');
+                else
+                    uri.Append($"%{(int) v:X2}");
+            if (uri.Length >= 2 && uri[0] == '/' && uri[1] == '/') // UNC path
+                uri.Insert(0, "file:");
+            else
+                uri.Insert(0, "file:///");
+
+            try
+            {
+                return new Uri(uri.ToString());
+            }
+            catch
+            {
+                return null;
+            }
+        }
     }
 }

QuickLook.Plugin/QuickLook.Plugin.ImageViewer/Plugin.cs

@@ -86,7 +86,7 @@ namespace QuickLook.Plugin.ImageViewer
                 ? $"{Path.GetFileName(path)}"
                 : $"{size.Width}×{size.Height}: {Path.GetFileName(path)}";
 
-            _ip.ImageUriSource = new Uri(path);
+            _ip.ImageUriSource = Helper.FilePathToFileUrl(path);
         }
 
         public void Cleanup()