c#实现把汉字转为带田字格背景的jpg图片

using system;
using system.collections.generic;
using system.linq;
using system.threading.tasks;
using system.windows.forms;
using system.drawing;
using system.io;

namespace 文字图片生成程序
{
    static class program
    {
        /// <summary>
        /// 应用程序的主入口点。
        /// </summary>
       static void checkdir()
        {
            string path="c:\\users\\default\\tran";
            if (!directory.exists(path))//判断目录是否存在
            {
                directory.createdirectory(path);
            }
        }
        [stathread]
        static void main()
        {
            program.checkdir();
            application.enablevisualstyles();
            application.setcompatibletextrenderingdefault(false);
            application.run(new form1());

        }

    }
    class program1
    {
        private float hor=0.46f;//
        public static string src = null;
        public void setting(float[] z)
        {
            this.hor = z[5];//文字比例

            //线条比例
            //虚线比例
            //粗细比例
            //上下位置
            //左右位置
            //边框边界  bool
        }
        public void createimage(string lf,string content,int w,color gezi,color bg,color ziti_a,color ziti_b,string ziti,bool flag_b)
        {

            font font;
            //创建一个位图对象
            bitmap image = new bitmap(w, w);
            //创建graphics
            graphics g = graphics.fromimage(image);
            try
            {
                //清空图片背景颜色
                g.clear(bg);
                if (!flag_b)
                    font = new font(ziti, w * 0.65f);
                else
                    font = new font(ziti, w * 0.65f, (fontstyle.bold));
                system.drawing.drawing2d.lineargradientbrush brush = new system.drawing.drawing2d.lineargradientbrush(new rectangle(0, 0, image.width, image.height), ziti_a, ziti_b, 4.0f, true);
                //画图片的边框线
                g.drawrectangle(new pen(gezi, w * 0.007f), w * 0.03f, w * 0.03f, w * 0.94f, w * 0.94f);
                //画虚线
                pen pen1 = new pen(gezi, w * 0.007f);
                pen1.dashstyle = system.drawing.drawing2d.dashstyle.custom;
                pen1.dashpattern = new float[] { w * 0.012f, w * 0.008f };
                g.drawline(pen1, w * 0.03f, w * 0.03f, w * 0.97f, w * 0.97f);
                g.drawline(pen1, w * 0.97f, w * 0.03f, w * 0.03f, w * 0.97f);
                g.drawline(pen1, w * 0.03f, w * 0.5f, w * 0.97f, w * 0.5f);
                g.drawline(pen1, w * 0.5f, w * 0.03f, w * 0.5f, w * 0.97f);
                stringformat sf = new stringformat();
                sf.alignment = stringalignment.center;
                sf.linealignment = stringalignment.center;

                g.drawstring(content, font, brush, w*hor, w * 0.63f, sf);
                src = lf + content + ".jpg";

                image.save(src);

              
            }
            finally
            {
                g.dispose();
                image.dispose();
            }
        }

    }

}