private static bool containsLtrCharactersOnly(PdfTextData data, string textLogical)
{
// A simple trick to detect right-to-left / bidirectional text.
// Compare logical and visual representations of text to detect directionality.
var noBidiOptions = new PdfTextConversionOptions {
UseBidi = false
};
string textVisual = data.GetText(noBidiOptions);
return(textLogical == textVisual);
}
private static void drawText(Graphics gr, PdfTextData td, float userUnit)
{
if (td.RenderingMode == PdfTextRenderingMode.NeitherFillNorStroke ||
td.RenderingMode == PdfTextRenderingMode.AddToPath)
{
return;
}
double fontSizeAbs = Math.Abs(td.FontSize);
if (fontSizeAbs < 0.001)
{
return;
}
if (Math.Abs(td.Bounds.Width) < 0.001 || Math.Abs(td.Bounds.Height) < 0.001)
{
return;
}
saveStateAndDraw(gr, td.ClipRegion, userUnit, () =>
{
using (Font font = toGdiFont(td.Font, fontSizeAbs))
{
using (Brush brush = toGdiBrush(td.Brush))
{
gr.TranslateTransform((float)td.Position.X, (float)td.Position.Y);
concatMatrix(gr, td.TransformationMatrix);
if (Math.Sign(td.FontSize) < 0)
{
gr.ScaleTransform(1, -1);
}
gr.DrawString(td.GetText(), font, brush, PointF.Empty);
}
}
});
}