* Improve picture clarity (#987)

https://docs.microsoft.com/en-us/dotnet/api/system.drawing.drawing2d.interpolationmode?view=dotnet-plat-ext-6.0

Source/Rendering/SvgRenderer.cs

@@ -135,6 +135,7 @@ private static Graphics CreateGraphics(Image image)
  g.CompositingQuality = CompositingQuality.HighQuality;
  g.TextRenderingHint = TextRenderingHint.AntiAlias;
  g.TextContrast = 1;
+ g.InterpolationMode = InterpolationMode.NearestNeighbor;
  return g;
  }