annotations/Azaion.Common/Extensions/GraphicsExtensions.cs

using System.Drawing;

namespace Azaion.Common.Extensions;

public static class GraphicsExtensions
{
    public static void DrawTextBox(this Graphics g, string text, PointF position, Brush background, Brush foreground)
    {
        using var textFont = new Font(FontFamily.GenericSerif, 14);
        using var stringFormat = new StringFormat();
        stringFormat.LineAlignment = StringAlignment.Near;
        stringFormat.Alignment = StringAlignment.Center;

        var padding = 1.0f;
        var textSize = g.MeasureString(text, textFont);

        var backgroundRect = new RectangleF(
            position.X - textSize.Width / 2.0f - padding,
            position.Y - padding,
            textSize.Width + 2 * padding,
            textSize.Height + 2 * padding
        );

        g.FillRectangle(background, backgroundRect);
        g.DrawString(text, textFont, foreground, position, stringFormat);
    }
    
}