Font hinting

To adjust the display of an outline font (learn more about font hinting) when rendering PDF documents into image GroupDocs.Viewer provides PdfOptions.EnableFontHinting setting as shown below:

NOTE: this option is supported when rendering into PNG and JPG.

using (Viewer viewer = new Viewer("sample.pdf"))
{
    PngViewOptions viewOptions = new PngViewOptions();
    viewOptions.PdfOptions.EnableFontHinting = true;

    viewer.View(viewOptions);
}