Question

Is it possible to specify the opacity of text written using the Graphics.DrawString method?

I’m doing something like this, but would like my text to be semi-transparent if it is possible.

Currently I’m doing this:

Graphics graphics = Graphics.FromImage(image);
graphics.DrawString("This is a watermark", 
    new Font("Arial", 40), 
    new SolidBrush(Color.Red), 
    0, 
    0);

Answer 1

Try:

int opacity = 128; // 50% opaque (0 = invisible, 255 = fully opaque)
using (var graphics = Graphics.FromImage(image))
using (var font = new Font("Arial", 40))
using (var brush = new SolidBrush(Color.FromArgb(opacity, Color.Red)))
    graphics.DrawString("This is a watermark", font, brush, 0, 0);