如何将 Aspose.TeX 图像转换器与 ASP.NET 集成

[ApiController]
[Route("api/latex-figure")]
public class LatexFigureController : ControllerBase
{
    [HttpPost]
    public IActionResult RenderLatex([FromForm] string latex)
    {
        try
        {
            var renderer = new FigureRendererPlugin();
            var options = new PngFigureRendererPluginOptions
            {
                BackgroundColor = Color.White,
                Resolution = 150,
                Margin = 10,
                Preamble = "\\usepackage{tikz}"
            };
            options.AddInputDataSource(new StringDataSource(latex));

            using (var ms = new MemoryStream())
            {
                options.AddOutputDataTarget(new StreamDataSource(ms));
                ResultContainer result = renderer.Process(options);
                ms.Seek(0, SeekOrigin.Begin);
                return File(ms.ToArray(), "image/png");
            }
        }
        catch (Exception ex)
        {
            return BadRequest($"Rendering failed: {ex.Message}");
        }
    }
}

<form method="post" action="/api/latex-figure" enctype="multipart/form-data">
  <textarea name="latex" rows="6" cols="60">\\begin{tikzpicture}\\draw[thick] (0,0) -- (2,2);\\end{tikzpicture}</textarea><br/>
  <button type="submit">Render Figure</button>
</form>