using OpenCvSharp;

namespace Com.Lmc.ShuiYin
{
    public class ShuiYinUtils
    {
        public static double GetFontScale(Size maxSize, string watermark, HersheyFonts fontFace, int thickness)
        {
            double fontScale = 0.5;
            while (true)
            {
                Size size = Cv2.GetTextSize(watermark, fontFace, fontScale, thickness, out int baseline);
                if (size.Height >= maxSize.Height || size.Width >= maxSize.Width)
                    break;
                fontScale += 0.2;
            }
            return fontScale;
        }
    }
}