3 files changed, 18 insertions, 13 deletions
diff --git a/Models/Interfaces/IImageModel.cs b/Models/Interfaces/IImageModel.cs
index 897a221..d8f5870 100644
--- a/Models/Interfaces/IImageModel.cs
+++ b/Models/Interfaces/IImageModel.cs
@@ -1,9 +1,12 @@
 using Avalonia.Media.Imaging;
+using System.ComponentModel;
 
 namespace Avalar.Models.Interfaces
 {
-    public interface IImageModel
+    public interface IImageModel : INotifyPropertyChanged
     {
         IBitmap LoadImage(string imagePath);
+
+        IBitmap LatestResult { get; }
     }
 }
diff --git a/Models/Interfaces/ISettingsModel.cs b/Models/Interfaces/ISettingsModel.cs
new file mode 100644
index 0000000..acdb187
--- /dev/null
+++ b/Models/Interfaces/ISettingsModel.cs
@@ -0,0 +1,14 @@
+
+using Avalonia;
+
+namespace Avalar.Models.Interfaces
+{
+    public interface ISettingsModel
+    {
+        public void SetWidth(uint width);
+
+        public void SetHeight(uint height);
+
+        public void SetBrightnessDelta(int brightnessDelta);
+    }
+}
diff --git a/Models/Interfaces/SettingsModel.cs b/Models/Interfaces/SettingsModel.cs
deleted file mode 100644
index 6149c1e..0000000
--- a/Models/Interfaces/SettingsModel.cs
+++ /dev/null
@@ -1,12 +0,0 @@
-
-using Avalonia;
-
-namespace Avalar.Models.Interfaces
-{
-    interface ISettingsModel
-    {
-        public double Width { get; set; }
-
-        public double Height { get; set; }
-    }
-}