Add UglyToad.PdfPig.Rendering.Skia.Graphics and tests

src/UglyToad.PdfPig.Rendering.Skia.Tests/Helpers.cs

@@ -0,0 +1,17 @@
+namespace UglyToad.PdfPig.Rendering.Skia.Tests
+{
+    internal static class Helpers
+    {
+        private static readonly string _basePath = Path.GetFullPath("..\\..\\..\\..\\UglyToad.PdfPig.Tests\\Integration\\Documents");
+
+        public static string GetDocumentPath(string fileName)
+        {
+            if (!fileName.EndsWith(".pdf"))
+            {
+                fileName += ".pdf";
+            }
+
+            return Path.Combine(_basePath, fileName);
+        }
+    }
+}

src/UglyToad.PdfPig.Rendering.Skia.Tests/RenderTests.cs

@@ -0,0 +1,51 @@
+using SkiaSharp;
+using UglyToad.PdfPig.Rendering.Skia.Parser;
+
+namespace UglyToad.PdfPig.Rendering.Skia.Tests
+{
+    public class RenderTests
+    {
+        [Fact]
+        public void PigProductionHandbook()
+        {
+            RenderDocument("Pig Production Handbook");
+        }
+
+        [Fact]
+        public void d_68_1990_01_A()
+        {
+            RenderDocument("68-1990-01_A");
+        }
+
+        [Fact]
+        public void d_22060_A1_01_Plans_1()
+        {
+            RenderDocument("22060_A1_01_Plans-1");
+        }
+
+        private static void RenderDocument(string path)
+        {
+            using (var document = PdfDocument.Open(Helpers.GetDocumentPath(path)))
+            {
+                document.AddPageFactory<SKPicture>(typeof(SkiaPageFactory));
+
+                for (int p = 1; p <= document.NumberOfPages; p++)
+                {
+                    var page = document.GetPage(p);
+
+                    using (var picture = document.GetPage<SKPicture>(p))
+                    {
+                        Assert.NotNull(picture);
+
+                        using (var fs = new FileStream($"{path}_{p}.png", FileMode.Create))
+                        using (var image = SKImage.FromPicture(picture, new SKSizeI((int)page.Width, (int)page.Height)))
+                        using (SKData d = image.Encode(SKEncodedImageFormat.Png, 100))
+                        {
+                            d.SaveTo(fs);
+                        }
+                    }
+                }
+            }
+        }
+    }
+}

src/UglyToad.PdfPig.Rendering.Skia.Tests/UglyToad.PdfPig.Rendering.Skia.Tests.csproj

@@ -0,0 +1,29 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net6.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+
+    <IsPackable>false</IsPackable>
+    <IsTestProject>true</IsTestProject>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.5.0" />
+    <PackageReference Include="xunit" Version="2.4.2" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="2.4.5">
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+      <PrivateAssets>all</PrivateAssets>
+    </PackageReference>
+    <PackageReference Include="coverlet.collector" Version="3.2.0">
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+      <PrivateAssets>all</PrivateAssets>
+    </PackageReference>
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\UglyToad.PdfPig.Rendering.Skia\UglyToad.PdfPig.Rendering.Skia.csproj" />
+  </ItemGroup>
+
+</Project>

src/UglyToad.PdfPig.Rendering.Skia.Tests/Usings.cs

@@ -0,0 +1 @@
+global using Xunit;