Add test for gradient patterns

Testing/MacTestRunner/MacTestRunner.csproj

@@ -146,5 +146,26 @@
     <EmbeddedResource Include="ReferenceImages\ArcPathConnection.png">
       <LogicalName>ArcPathConnection.png</LogicalName>
     </EmbeddedResource>
+    <EmbeddedResource Include="ReferenceImages\LinearGradient.png">
+      <LogicalName>LinearGradient.png</LogicalName>
+    </EmbeddedResource>
+    <EmbeddedResource Include="ReferenceImages\LinearGradientDiagonal.png">
+      <LogicalName>LinearGradientDiagonal.png</LogicalName>
+    </EmbeddedResource>
+    <EmbeddedResource Include="ReferenceImages\LinearGradientInternalBox.png">
+      <LogicalName>LinearGradientInternalBox.png</LogicalName>
+    </EmbeddedResource>
+    <EmbeddedResource Include="ReferenceImages\LinearGradientReverse.png">
+      <LogicalName>LinearGradientReverse.png</LogicalName>
+    </EmbeddedResource>
+    <EmbeddedResource Include="ReferenceImages\RadialGradient.png">
+      <LogicalName>RadialGradient.png</LogicalName>
+    </EmbeddedResource>
+    <EmbeddedResource Include="ReferenceImages\RadialGradientReverse.png">
+      <LogicalName>RadialGradientReverse.png</LogicalName>
+    </EmbeddedResource>
+    <EmbeddedResource Include="ReferenceImages\RadialGradientSmall.png">
+      <LogicalName>RadialGradientSmall.png</LogicalName>
+    </EmbeddedResource>
   </ItemGroup>
 </Project>

Testing/Tests/DrawingTests.cs

@@ -372,6 +372,104 @@ namespace Xwt
 			context.Stroke ();
 			CheckImage ("NewPath.png");
 		}
+		
+		[Test]
+		public void LinearGradient ()
+		{
+			InitBlank ();
+			var g = new LinearGradient (5, 5, 5, 45);
+			g.AddColorStop (0, Colors.Red);
+			g.AddColorStop (0.5, Colors.Green);
+			g.AddColorStop (1, Colors.Blue);
+			context.Rectangle (5, 5, 40, 40);
+			context.Pattern = g;
+			context.Fill ();
+			CheckImage ("LinearGradient.png");
+		}
+		
+		[Test]
+		public void LinearGradientDiagonal ()
+		{
+			InitBlank ();
+			var g = new LinearGradient (5, 5, 45, 45);
+			g.AddColorStop (0, Colors.Red);
+			g.AddColorStop (0.5, Colors.Green);
+			g.AddColorStop (1, Colors.Blue);
+			context.Rectangle (5, 5, 40, 40);
+			context.Pattern = g;
+			context.Fill ();
+			CheckImage ("LinearGradientDiagonal.png");
+		}
+		
+		[Test]
+		public void LinearGradientReverse ()
+		{
+			InitBlank ();
+			var g = new LinearGradient (5, 45, 5, 5);
+			g.AddColorStop (0, Colors.Red);
+			g.AddColorStop (0.5, Colors.Green);
+			g.AddColorStop (1, Colors.Blue);
+			context.Rectangle (5, 5, 40, 40);
+			context.Pattern = g;
+			context.Fill ();
+			CheckImage ("LinearGradientReverse.png");
+		}
+		
+		[Test]
+		public void LinearGradientInternalBox ()
+		{
+			InitBlank ();
+			var g = new LinearGradient (25, 15, 35, 35);
+			g.AddColorStop (0, Colors.Red);
+			g.AddColorStop (0.5, Colors.Green);
+			g.AddColorStop (1, Colors.Blue);
+			context.Rectangle (5, 5, 40, 40);
+			context.Pattern = g;
+			context.Fill ();
+			CheckImage ("LinearGradientInternalBox.png");
+		}
+		
+		[Test]
+		public void RadialGradient ()
+		{
+			InitBlank ();
+			var g = new RadialGradient (20, 20, 5, 30, 30, 30);
+			g.AddColorStop (0, Colors.Red);
+			g.AddColorStop (0.5, Colors.Green);
+			g.AddColorStop (1, Colors.Blue);
+			context.Rectangle (5, 5, 40, 40);
+			context.Pattern = g;
+			context.Fill ();
+			CheckImage ("RadialGradient.png");
+		}
+		
+		[Test]
+		public void RadialGradientReverse ()
+		{
+			InitBlank ();
+			var g = new RadialGradient (20, 20, 30, 30, 25, 5);
+			g.AddColorStop (0, Colors.Red);
+			g.AddColorStop (0.5, Colors.Green);
+			g.AddColorStop (1, Colors.Blue);
+			context.Rectangle (5, 5, 40, 40);
+			context.Pattern = g;
+			context.Fill ();
+			CheckImage ("RadialGradientReverse.png");
+		}
+		
+		[Test]
+		public void RadialGradientSmall ()
+		{
+			InitBlank ();
+			var g = new RadialGradient (5, 5, 5, 30, 30, 15);
+			g.AddColorStop (0, Colors.Red);
+			g.AddColorStop (0.5, Colors.Green);
+			g.AddColorStop (1, Colors.Blue);
+			context.Rectangle (5, 5, 40, 40);
+			context.Pattern = g;
+			context.Fill ();
+			CheckImage ("RadialGradientSmall.png");
+		}
 	}
 }
 

Testing/Tests/Tests.csproj

@@ -68,6 +68,7 @@
   <ItemGroup>
     <None Include="Test.csproj" />
     <None Include="Tests.csproj" />
+    <None Include="ReferenceImages\LinearGradientInternalBox.png" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\..\Xwt\Xwt.csproj">
@@ -157,6 +158,24 @@
     <EmbeddedResource Include="ReferenceImages\ArcPathConnection.png">
       <LogicalName>ArcPathConnection.png</LogicalName>
     </EmbeddedResource>
+    <EmbeddedResource Include="ReferenceImages\LinearGradient.png">
+      <LogicalName>LinearGradient.png</LogicalName>
+    </EmbeddedResource>
+    <EmbeddedResource Include="ReferenceImages\LinearGradientDiagonal.png">
+      <LogicalName>LinearGradientDiagonal.png</LogicalName>
+    </EmbeddedResource>
+    <EmbeddedResource Include="ReferenceImages\LinearGradientReverse.png">
+      <LogicalName>LinearGradientReverse.png</LogicalName>
+    </EmbeddedResource>
+    <EmbeddedResource Include="ReferenceImages\RadialGradient.png">
+      <LogicalName>RadialGradient.png</LogicalName>
+    </EmbeddedResource>
+    <EmbeddedResource Include="ReferenceImages\RadialGradientReverse.png">
+      <LogicalName>RadialGradientReverse.png</LogicalName>
+    </EmbeddedResource>
+    <EmbeddedResource Include="ReferenceImages\RadialGradientSmall.png">
+      <LogicalName>RadialGradientSmall.png</LogicalName>
+    </EmbeddedResource>
   </ItemGroup>
   <ProjectExtensions>
     <MonoDevelop>