TdxGpTextRenderingHint = (
    TextRenderingHintSystemDefault,
    TextRenderingHintSingleBitPerPixelGridFit,
    TextRenderingHintSingleBitPerPixel,
    TextRenderingHintAntiAliasGridFit,
    TextRenderingHintAntiAlias,
    TextRenderingHintClearTypeGridFit
);