Add tests for #46

Author: JimBobSquarePants

tests/ImageSharp.Drawing.Tests/Issues/Issue-46.cs

@@ -0,0 +1,47 @@
+// Copyright (c) Six Labors.
+// Licensed under the Apache License, Version 2.0.
+
+using System.Globalization;
+using SixLabors.Fonts;
+using SixLabors.ImageSharp.Drawing.Processing;
+using SixLabors.ImageSharp.PixelFormats;
+using SixLabors.ImageSharp.Processing;
+using Xunit;
+
+namespace SixLabors.ImageSharp.Drawing.Tests.Issues
+{
+    public class Issue_46
+    {
+        [Fact]
+        public void CanRenderCustomFont()
+        {
+            Font font = CreateFont("icomoon-events.ttf", 175);
+
+            var options = new RendererOptions(font)
+            {
+                VerticalAlignment = VerticalAlignment.Center
+            };
+
+            const int ImageSize = 300;
+
+            var image = new Image<Rgba32>(ImageSize, ImageSize);
+
+            string iconText = char.ConvertFromUtf32(int.Parse("e926", NumberStyles.HexNumber));
+
+            FontRectangle rect = TextMeasurer.Measure(iconText, options);
+
+            float textX = ((ImageSize - rect.Width) * 0.5F) + rect.Left;
+            float textY = ((ImageSize - rect.Height) * 0.5F) + (rect.Top * 0.25F);
+
+            image.Mutate(x => x.DrawText(iconText, font, Color.Black, new PointF(textX, textY)));
+            image.Save(TestFontUtilities.GetPath("e96.png"));
+        }
+
+        private static Font CreateFont(string fontName, int size)
+        {
+            var fontCollection = new FontCollection();
+            string fontPath = TestFontUtilities.GetPath(fontName);
+            return fontCollection.Install(fontPath).CreateFont(size);
+        }
+    }
+}