public void DrawString(GLBitmap glBmp, GLRenderVxFormattedString renderVx, double x, double y) { _pcx.FontFillColor = _painter.FontFillColor; //for sharp edge glyph _pcx.DrawGlyphImageWithSubPixelRenderingTechnique4_FromVBO( glBmp, renderVx.GetVbo(), renderVx.IndexArrayCount, (float)Math.Round(x), (float)Math.Floor(y)); }