Graphic 完成文字缩放

思路：将文字生成图片，再加载此图片伸缩至需要大小。

首先要获取文字的实际大小。宽度高度，再通过图片缩放就OK了

 public static void DrawText()

        {

            Font f = new Font("Aris", 15, FontStyle.Italic | FontStyle.Strikeout);

            string s = "我的测试";



            Bitmap b = new Bitmap(1, 1);

            Graphics g = Graphics.FromImage(b);

            var sf = g.MeasureString(s, f);



            Bitmap b1 = new Bitmap(Convert.ToInt32(sf.Width), Convert.ToInt32(sf.Height));

            

            Graphics g1 = Graphics.FromImage(b1);

            g1.Clear(Color.White);

            

            RectangleF rf = new RectangleF(0, 0, sf.Width, sf.Height);

            g1.DrawString(s, f, Brushes.Red, rf);



            System.IO.MemoryStream ms = new System.IO.MemoryStream();



            b1.Save(ms, System.Drawing.Imaging.ImageFormat.Jpeg);

            



            Graphics g2 = Graphics.FromImage(bmap);

            g2.TranslateTransform(10, 10);

            g2.RotateTransform(30);

            g2.TranslateTransform(-10, -10);

            g2.DrawImage(Image.FromStream(ms), new Rectangle(10, 10, 200, 200));

            g2.ResetTransform();

            bmap.Save(AppDomain.CurrentDomain.BaseDirectory + "123.jpg");

            ms.Dispose();

        }