7 files changed, 80 insertions, 35 deletions
diff --git a/Services/IProcessor.cs b/Services/IProcessor.cs
index 11e83ab..00bd6a8 100644
--- a/Services/IProcessor.cs
+++ b/Services/IProcessor.cs
@@ -1,9 +1,11 @@
 using Avalonia.Media.Imaging;
+using System.ComponentModel;
+using System.Threading.Tasks;
 
 namespace Avalar.Services
 {
-    public interface IProcessor
+    public interface IProcessor : INotifyPropertyChanged
     {
-        IBitmap Process(IBitmap bitmap);
+        public IBitmap Process(IBitmap input, System.Threading.CancellationToken token);
     }
 }
diff --git a/Services/ImageMagickBrightness.cs b/Services/ImageMagickBrightness.cs
new file mode 100644
index 0000000..f69247e
--- /dev/null
+++ b/Services/ImageMagickBrightness.cs
@@ -0,0 +1,25 @@
+using Avalar.Services.Interfaces;
+using Avalonia.Media.Imaging;
+using ImageMagick;
+using ReactiveUI;
+using System.IO;
+using System.Threading;
+
+namespace Avalar.Services
+{
+    public class ImageMagickBrightness : ReactiveObject, IBrightness
+    {
+        int m_Brightness;
+        public int Brightness {
+            get => m_Brightness;
+            set => this.RaiseAndSetIfChanged(ref m_Brightness, value);
+        }
+
+        public IBitmap Process(IBitmap input, CancellationToken token)
+        {
+            using var image = input.ToMagickImage();
+            image.BrightnessContrast(new Percentage(Brightness), new Percentage(0));
+            return image.ToBitmap();
+        }
+    }
+}
diff --git a/Services/ImageMagickResizer.cs b/Services/ImageMagickResizer.cs
new file mode 100644
index 0000000..b7ce6da
--- /dev/null
+++ b/Services/ImageMagickResizer.cs
@@ -0,0 +1,34 @@
+
+using Avalar.Services.Interfaces;
+using Avalonia.Media.Imaging;
+using ImageMagick;
+using ReactiveUI;
+using System;
+using System.Threading;
+
+namespace Avalar.Services
+{
+    public class ImageMagickResizer : ReactiveObject, IResizer
+    {
+        private uint m_Width;
+        public uint Width {
+            get => m_Width;
+            set => this.RaiseAndSetIfChanged(ref m_Width, value);
+        }
+
+        private uint m_Height;
+        public uint Height {
+            get => m_Height;
+            set => this.RaiseAndSetIfChanged(ref m_Height, value);
+        }
+
+        public IBitmap Process(IBitmap input, CancellationToken token)
+        {
+            using var image = input.ToMagickImage();
+            var geometry = new MagickGeometry(Convert.ToInt32(Width), Convert.ToInt32(Height));
+            geometry.IgnoreAspectRatio = true;
+            image.Resize(geometry);
+            return image.ToBitmap();
+        }
+    }
+}
diff --git a/Services/Interfaces/IBrightness.cs b/Services/Interfaces/IBrightness.cs
new file mode 100644
index 0000000..cf8f631
--- /dev/null
+++ b/Services/Interfaces/IBrightness.cs
@@ -0,0 +1,8 @@
+
+namespace Avalar.Services.Interfaces
+{
+    interface IBrightness : IProcessor
+    {
+        public int Brightness { get; set; }
+    }
+}
diff --git a/Services/Interfaces/IResizer.cs b/Services/Interfaces/IResizer.cs
new file mode 100644
index 0000000..d7e5cdd
--- /dev/null
+++ b/Services/Interfaces/IResizer.cs
@@ -0,0 +1,9 @@
+
+namespace Avalar.Services.Interfaces
+{
+    public interface IResizer : IProcessor
+    {
+        public uint Width { get; set; }
+        public uint Height { get; set;  }
+    }
+}
diff --git a/Services/Resizer/IResizer.cs b/Services/Resizer/IResizer.cs
deleted file mode 100644
index e71d4f1..0000000
--- a/Services/Resizer/IResizer.cs
+++ /dev/null
@@ -1,7 +0,0 @@
-
-namespace Avalar.Services.Resizer
-{
-    public interface IResizer : IProcessor
-    {
-    }
-}
diff --git a/Services/Resizer/ImageMagickResizer.cs b/Services/Resizer/ImageMagickResizer.cs
deleted file mode 100644
index e48e576..0000000
--- a/Services/Resizer/ImageMagickResizer.cs
+++ /dev/null
@@ -1,26 +0,0 @@
-
-using Avalonia.Media.Imaging;
-using ImageMagick;
-using System.IO;
-
-namespace Avalar.Services.Resizer
-{
-    public class ImageMagickResizer : IResizer
-    {
-        public IBitmap Process(IBitmap bitmap)
-        {
-            using (var stream = new MemoryStream())
-            {
-                bitmap?.Save(stream);
-                using (var image = new MagickImage(stream))
-                {
-                    image.Resize(300, 300);
-                    using (var stream2 = new MemoryStream())
-                    {
-                        return new Bitmap(stream2);
-                    }
-                }
-            }
-        }
-    }
-}