Adds reference for calculation

Former-commit-id: 69ff24ef1d25918605ecc79eceed82ed474e64dd Former-commit-id: ca1e37b1ecf69868c2cd76ae8bbd881044f942c6
11 years ago · 2878f5b42a
1 changed files with 3 additions and 0 deletions
--- a/src/ImageProcessor/Imaging/Rotation.cs
+++ b/src/ImageProcessor/Imaging/Rotation.cs
@ -46,6 +46,9 @@
        /// <param name="imageWidth">Width of the image.</param>
        /// <param name="imageHeight">Height of the image.</param>
        /// <param name="angle">The angle.</param>
+        /// <remarks>
+        /// Based on <see href="http://math.stackexchange.com/questions/1070853/"/>
+        /// </remarks>
        /// <returns>The zoom needed</returns>
        public static float ZoomAfterRotation(int imageWidth, int imageHeight, float angle)
        {