ToData now supports multiple formats.

Introduce `ProgrartC` to build a single image to work with other build tools.
Added a `CombinedStorageProvider` to allow aggregate storage providers.

ProgrartC/Dockerfile

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+# See https://aka.ms/customizecontainer to learn how to customize your debug container and how Visual Studio uses this Dockerfile to build your images for faster debugging.
+
+# These ARGs allow for swapping out the base used to make the final image when debugging from VS
+ARG LAUNCHING_FROM_VS
+# This sets the base image for final, but only if LAUNCHING_FROM_VS has been defined
+ARG FINAL_BASE_IMAGE=${LAUNCHING_FROM_VS:+aotdebug}
+
+# This stage is used when running from VS in fast mode (Default for Debug configuration)
+FROM mcr.microsoft.com/dotnet/runtime:10.0 AS base
+USER $APP_UID
+WORKDIR /app
+
+
+# This stage is used to build the service project
+FROM mcr.microsoft.com/dotnet/sdk:10.0 AS build
+# Install clang/zlib1g-dev dependencies for publishing to native
+RUN apt-get update \
+    && apt-get install -y --no-install-recommends \
+    clang zlib1g-dev
+ARG BUILD_CONFIGURATION=Release
+WORKDIR /src
+COPY ["Directory.Packages.props", "."]
+COPY ["ProgrartC/ProgrartC.csproj", "ProgrartC/"]
+RUN dotnet restore "./ProgrartC/ProgrartC.csproj"
+COPY . .
+WORKDIR "/src/ProgrartC"
+RUN dotnet build "./ProgrartC.csproj" -c $BUILD_CONFIGURATION -o /app/build
+
+# This stage is used to publish the service project to be copied to the final stage
+FROM build AS publish
+ARG BUILD_CONFIGURATION=Release
+RUN dotnet publish "./ProgrartC.csproj" -c $BUILD_CONFIGURATION -o /app/publish /p:UseAppHost=true
+
+# This stage is used as the base for the final stage when launching from VS to support debugging in regular mode (Default when not using the Debug configuration)
+FROM base AS aotdebug
+USER root
+# Install GDB to support native debugging
+RUN apt-get update \
+    && apt-get install -y --no-install-recommends \
+    gdb
+USER app
+
+# This stage is used in production or when running from VS in regular mode (Default when not using the Debug configuration)
+FROM ${FINAL_BASE_IMAGE:-mcr.microsoft.com/dotnet/runtime-deps:10.0} AS final
+WORKDIR /app
+COPY --from=publish /app/publish .
+ENTRYPOINT ["./ProgrartC"]

ProgrartC/Program.cs

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+using Progrart.Core;
+using Progrart.Core.JSExecution;
+using Progrart.Core.ProjectSystem;
+using Progrart.Core.Storage;
+using SkiaSharp;
+using System.Diagnostics;
+
+namespace ProgrartC
+{
+	internal class Program
+	{
+		static void Main(string[] args)
+		{
+			Trace.Listeners.Add(new TextWriterTraceListener(Console.Out));
+			List<string> includePaths = new List<string>();
+			string? sourceFile = null;
+			string? outputFile = null;
+			ExecuteArguments executeArguments = new ExecuteArguments();
+			for (int i = 0; i < args.Length; i++)
+			{
+				string? item = args[i];
+				switch (item)
+				{
+					case "-I":
+						i++;
+						includePaths.Add(args[i]);
+						break;
+					case "-o":
+						i++;
+						outputFile = args[i];
+						break;
+					default:
+						if (File.Exists(item))
+						{
+							sourceFile = item;
+						}
+						else
+						{
+							if (item.StartsWith("-D"))
+							{
+								string define = item.Substring(2);
+								string[] parts = define.Split('=', 2);
+								if (parts.Length == 2)
+								{
+									executeArguments.data[parts[0]] = parts[1];
+								}
+								else
+								{
+									executeArguments.data[parts[0]] = "true";
+								}
+							}
+						}
+						break;
+				}
+			}
+			if (sourceFile == null)
+			{
+				Trace.WriteLine("no input files");
+				return;
+			}
+			if (outputFile == null)
+			{
+				outputFile = Path.ChangeExtension(sourceFile, "png");
+			}
+			CombinedStorageProvider storageProvider = new();
+			{
+				FileInfo sourceFileInfo = new FileInfo(sourceFile);
+				if (sourceFileInfo.Directory is not null)
+					includePaths.Add(sourceFileInfo.Directory.FullName);
+			}
+			if (!includePaths.Contains("."))
+				includePaths.Add(".");
+			foreach (var item in includePaths)
+			{
+				storageProvider.providers.Add(new ClassicStorageProvider(new DirectoryInfo(item)));
+			}
+			int Scale = 1024;
+
+			if (executeArguments.data.TryGetValue("Scale", out var scale))
+			{
+				if (!int.TryParse(scale, out Scale)) Scale = 1024;
+			}
+			ProgrartExecutor progrartExecutor = new(storageProvider);
+			var result = progrartExecutor.RenderImage(Scale, File.ReadAllText(sourceFile), executeArguments);
+
+			SKData data;
+			FileInfo fi = new FileInfo(outputFile);
+			var ext = fi.Extension.ToLower();
+			data = result.DrawingCore.ToData(ext);
+			if(data is null)
+			{
+				Trace.WriteLine("failed to encode image");
+				return;
+			}
+			using var img_stream = File.OpenWrite(outputFile);
+			if (img_stream is null)
+				return;
+			data.SaveTo(img_stream);
+			img_stream.Flush();
+		}
+	}
+}

ProgrartC/ProgrartC.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net10.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+    <PublishAot>true</PublishAot>
+    <InvariantGlobalization>true</InvariantGlobalization>
+    <DockerDefaultTargetOS>Linux</DockerDefaultTargetOS>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.VisualStudio.Azure.Containers.Tools.Targets" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\Progrart.Core\Progrart.Core.csproj" />
+  </ItemGroup>
+
+</Project>

ProgrartC/Properties/launchSettings.json

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+{
+  "profiles": {
+    "ProgrartC": {
+      "commandName": "Project"
+    },
+    "Container (Dockerfile)": {
+      "commandName": "Docker"
+    }
+  }
+}