public Bitmap DrawQrCode(EncoderOptions options)
        {
            SetImg(options.LogoImgPath);
            var QrCodeMinWidth = options.Matrix.Width * MudelSize / 7;

            Bitmap         = new Bitmap(QrCodeMinWidth, QrCodeMinWidth, PixelFormat.Format24bppRgb);
            GraphicsCustom = Graphics.FromImage(Bitmap);
            GraphicsCustom.Clear(Color.White);
            GraphicsCustom.Flush();

            // graphics.Dispose();

            for (int i = 0; i < options.QrCodeCustoms.Count; i++)
            {
                QrCodeCustom qrCodeCustom = options.QrCodeCustoms[i];
                if (qrCodeCustom.QrCodeTag != Tag.Content)
                {
                    DrawTag(qrCodeCustom, options);
                }
                else
                {
                    DrawingContent(qrCodeCustom, options);
                }
            }
            GraphicsCustom.Flush();
            GraphicsCustom.Dispose();
            return(Bitmap);
        }
        private void DrawingContent(QrCodeCustom custom, EncoderOptions options)
        {
            List <QrBitmapMatrix> matrixs = options.BitMats.FindAll(f => f.Tag == custom.QrCodeTag);

            int offset       = 1;
            int offsetmudule = 1;
            int ModuleSize   = matrixs[0].Rectangle.Width;

            if (custom.QrCodeSize == QrCodeSquareSize.Max)
            {
                offset       = ModuleSize / 2;
                offsetmudule = offset / 2;
            }
            if (custom.QrCodeSize == QrCodeSquareSize.Min)
            {
                offset       = ModuleSize / 3;
                offsetmudule = offset;
            }
            // Graphics graphics = Graphics.FromImage(bitmap);
            for (int i = 0; i < matrixs.Count; i++)
            {
                int rowX    = matrixs[i].Rectangle.X + offsetmudule;
                int columnY = matrixs[i].Rectangle.Y + offsetmudule;

                if (matrixs[i].BoolVar)
                {
                    GraphicsCustom.FillEllipse(new SolidBrush(custom.ColorBrush), new Rectangle(rowX, columnY, offset, offset));
                    GraphicsCustom.Flush();
                }
                else
                {
                    GraphicsCustom.FillEllipse(Brushes.White, new Rectangle(rowX, columnY, offset, offset));
                    GraphicsCustom.Flush();
                    //int b = Bitmap.GetPixel(rowX, columnY).B;
                    //int g = Bitmap.GetPixel(rowX, columnY).G;
                    //int r = Bitmap.GetPixel(rowX, columnY).R;
                    //int rgb = (b + g + r) / 3;
                    //if (rgb < 128)
                    //{
                    //    GraphicsCustom.FillEllipse(Brushes.White, new Rectangle(rowX, columnY, offset, offset));
                    //    GraphicsCustom.Flush();

                    //}
                }
            }
            GraphicsCustom.Flush();
            GraphicsCustom.Dispose();
        }