Create Issue-54.cs

Author: JimBobSquarePants

tests/ImageSharp.Drawing.Tests/Issues/Issue-54.cs

@@ -0,0 +1,49 @@
+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_54
+    {
+        [Fact]
+        public void CanDrawWithoutMemoryException()
+        {
+            int width = 768;
+            int height = 438;
+
+            // Creates a new image with empty pixel data. 
+            using (var image = new Image<Rgba32>(width, height))
+            {
+                {
+                    FontCollection collection = new FontCollection();
+                    FontFamily family = collection.Install(@"C:\Windows\Fonts\verdana.ttf");
+                    Font font = family.CreateFont(48, FontStyle.Bold);
+
+                    // The options are optional
+                    TextGraphicsOptions options = new TextGraphicsOptions()
+                    {
+                        TextOptions = new TextOptions()
+                        {
+                            ApplyKerning = true,
+                            TabWidth = 8, // a tab renders as 8 spaces wide
+                            WrapTextWidth = width, // greater than zero so we will word wrap at 100 pixels wide
+                            HorizontalAlignment = HorizontalAlignment.Center // right align
+                        }
+                    };
+
+                    IBrush brush = Brushes.Solid(Color.White);
+                    //IPen pen = Pens.DashDot(Color.White, 0);  //0 makes application freeze and eat memory
+                    IPen pen = Pens.Solid(Color.White, 0); //0 makes application crash
+                    string text = "sample text";
+
+                    // Draw the text
+                    image.Mutate(x => x.DrawText(options, text, font, brush, pen, new PointF(0, 100)));
+                }
+
+            } // Dispose - releasing memory into a memory pool ready for the next image you wish to process.
+        }
+    }
+}