Add download links

2016-05-06 11:19:01 -04:00
parent 972bb04291
commit f4ebeefad1
12 changed files with 109 additions and 29 deletions
@@ -94,10 +94,13 @@ namespace LeafWeb.Web.Controllers

 		private Bitmap CombineBitmaps(IList<Bitmap> bitmaps, int columnCount = 2)
 		{
+			if (!bitmaps.Any())
+				return null;
+			// bitmaps assumed to have same dimensions, use the first one to define that
 			var cellWidth = bitmaps[0].Width;
 			var cellHeight = bitmaps[0].Height;
-			var width = cellWidth * 2;
-			var height = cellHeight * bitmaps.Count / 2;
+			var width = cellWidth * columnCount;
+			var height = cellHeight * bitmaps.Count / columnCount;

 			var combinedBitmap = new Bitmap(width, height);
 			using (var g = Graphics.FromImage(combinedBitmap))