Merge branch 'SaveGIF'

src/Gifitti/Gifitti/Models/GifModel.cs

@@ -70,17 +70,23 @@ namespace Gifitti.Models
         public void saveGif(string path)
         {
             //Error Handel on path
-            Regex savePathTest = new Regex(@"^(([^\/\\]+)[\/\\])*([^\/\\]*)\.[g|G][i|I][f|F]$");
-            if (!savePathTest.IsMatch(path))
+
+            //RE for path with extension
+            Regex extensionTester = new Regex(@"^.*\.[g|G][i|I][f|F]$");
+            //RE for path without extension
+            Regex savePathTester = new Regex(@"^(([^\/\\]+)[\/\\])*([^\/\\]*)");
+            if (!savePathTester.IsMatch(path))
             {
                 throw new DirectoryNotFoundException();
             }
-
+            //Handel non gif extensions
+            if (!extensionTester.IsMatch(path))
+                path += ".gif"; 
             //TODO take in image setting components as well as frames being viewed etc.
             //Build GIF
             using (MagickImageCollection collection = new MagickImageCollection())
             {
-                for (int i = 0; i < frames.Length; i++)
+                for (int i = this.startFrame; i < Math.Min(this.endFrame, frames.Length); i++)
                     collection.Add(new MagickImage(frames[i] as Bitmap));
                 
                 // Maximize Colour saturation