public static float MeasureStringWidth(CGContext context, string text, string fontName, float fontSize)
{
if (string.IsNullOrEmpty(text))
return 0;
context.SaveState();
PointF pos = context.TextPosition;
context.SelectFont(fontName, fontSize, CGTextEncoding.MacRoman);
context.TextMatrix = CGAffineTransform.MakeScale(1.0f, -1.0f);
//context.TranslateCTM(0, 20);
context.ScaleCTM(1, -1);
context.SetTextDrawingMode(CGTextDrawingMode.Invisible);
context.ShowTextAtPoint(pos.X, pos.Y, text);
PointF pos2 = context.TextPosition;
context.RestoreState();
return pos2.X - pos.X;
}
public static void DrawText(CGContext context, string text, string fontName, float fontSize, float translateHeight, float x, float y)
{
context.SaveState();
context.SelectFont(fontName, fontSize, CGTextEncoding.MacRoman);
context.SetTextDrawingMode(CGTextDrawingMode.Fill);
context.SetFillColor(new CGColor(1, 1));
context.SetStrokeColor(new CGColor(1.0f, 1.0f));
//context.AddRect(rectText);
//context.Clip();
context.TextMatrix = CGAffineTransform.MakeScale(1.0f, -1.0f);
context.TranslateCTM(0, translateHeight);
context.ScaleCTM(1, -1);
context.ShowTextAtPoint(x, y, text);
context.RestoreState();
}
