Reset colors before line break

Closes #28

src/Spectre.Console.Tests/Unit/AnsiConsoleTests.cs

@@ -247,7 +247,7 @@ namespace Spectre.Console.Tests.Unit
         public sealed class WriteLine
         {
             [Fact]
-            public void Should_Reset_Colors_Correctly()
+            public void Should_Reset_Colors_Correctly_After_Line_Break()
             {
                 // Given
                 var fixture = new AnsiConsoleFixture(ColorSystem.Standard, AnsiSupport.Yes);
@@ -263,6 +263,21 @@ namespace Spectre.Console.Tests.Unit
                     .ShouldBe("Hello\nWorld\n");
             }
 
+            [Fact]
+            public void Should_Reset_Colors_Correctly_After_Line_Break_In_Text()
+            {
+                // Given
+                var fixture = new AnsiConsoleFixture(ColorSystem.Standard, AnsiSupport.Yes);
+
+                // When
+                fixture.Console.Background = ConsoleColor.Red;
+                fixture.Console.WriteLine("Hello\nWorld");
+
+                // Then
+                fixture.Output.NormalizeLineEndings()
+                    .ShouldBe("Hello\nWorld\n");
+            }
+
             [Theory]
             [InlineData(AnsiSupport.Yes)]
             [InlineData(AnsiSupport.No)]

src/Spectre.Console/ConsoleExtensions.WriteLine.cs

@@ -1,6 +1,5 @@
 using System;
 using System.Globalization;
-using Spectre.Console.Internal;
 
 namespace Spectre.Console
 {
@@ -20,12 +19,7 @@ namespace Spectre.Console
                 throw new ArgumentNullException(nameof(console));
             }
 
-            using (console.PushColor(Color.Default, true))
+            console.Write(Environment.NewLine);
-            using (console.PushColor(Color.Default, false))
-            using (console.PushDecoration(Decoration.None))
-            {
-                console.Write(Environment.NewLine);
-            }
         }
 
         /// <summary>

src/Spectre.Console/Internal/AnsiConsoleRenderer.cs

@@ -60,12 +60,19 @@ namespace Spectre.Console.Internal
                 return;
             }
 
-            _out.Write(AnsiBuilder.GetAnsi(
+            var parts = text.NormalizeLineEndings().Split(new[] { '\n' });
-                _system,
+            foreach (var (_, _, last, part) in parts.Enumerate())
-                text.NormalizeLineEndings(native: true),
+            {
-                Decoration,
+                if (!string.IsNullOrEmpty(part))
-                Foreground,
+                {
-                Background));
+                    _out.Write(AnsiBuilder.GetAnsi(_system, part, Decoration, Foreground, Background));
+                }
+
+                if (!last)
+                {
+                    _out.Write(Environment.NewLine);
+                }
+            }
         }
     }
 }