ImageDemoOne

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Drawing;
using System.IO;
using System.Threading.Tasks;
using System.Windows.Forms;


namespace ImageDemoOne
{
    class DrawIcon
    {
        public static void DrawImage()
        {
            String FileName = "BrushType02.gif";
            Image img = Bitmap.FromFile(Path.Combine("D:/cworkroom/ImageDemoOne/ImageDemoOne/img", FileName));
            int bordwidth = Convert.ToInt32(1);
            int bordheight = Convert.ToInt32(1);


            int newheight = img.Height + bordheight;
            int newwidth = img.Width + bordwidth;


            Color bordcolor = Color.Black;
            Bitmap bmp = new Bitmap(newwidth, newheight);
            Graphics g = Graphics.FromImage(bmp);


            g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality;
            g.CompositingQuality = System.Drawing.Drawing2D.CompositingQuality.HighQuality;
            g.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.High;


            int Style = 0;     //New: 绘制边框的类型, 手动修改0,1,2 可改变边框类型  
            if (Style == 0)   //New: 整个边框.  
            {
                //Changed: 修改rec区域, 将原图缩放. 适合边框内  
                System.Drawing.Rectangle rec = new Rectangle(bordwidth / 2, bordwidth / 2, newwidth - bordwidth / 2, newheight - bordwidth / 2);
                g.DrawImage(img, rec, 0, 0, img.Width, img.Height, GraphicsUnit.Pixel);
                g.DrawRectangle(new Pen(bordcolor, bordheight), 0, 0, newwidth, newheight);
            }
            else if (Style == 1)   //New: 上下边框.  
            {
                System.Drawing.Rectangle rec = new Rectangle(0, bordwidth / 2, newwidth, newheight - bordwidth / 2);
                g.DrawImage(img, rec, 0, 0, img.Width, img.Height, GraphicsUnit.Pixel);
                g.DrawLine(new Pen(bordcolor, bordheight), 0, 0, newwidth, 0);
                g.DrawLine(new Pen(bordcolor, bordheight), 0, newheight, newwidth, newheight);
            }
            else if (Style == 2)   //New: 左右边框.  
            {
                System.Drawing.Rectangle rec = new Rectangle(bordwidth / 2, 0, newwidth - bordwidth / 2, newheight);
                g.DrawImage(img, rec, 0, 0, img.Width, img.Height, GraphicsUnit.Pixel);
                g.DrawLine(new Pen(bordcolor, bordheight), 0, 0, 0, newheight);
                g.DrawLine(new Pen(bordcolor, bordheight), newwidth, 0, newwidth, newheight);
            }


            bmp.Save("c:\\" + "BrushType02.gif");
            g.Dispose();


        }


    }
}