图像拼接测试

        private Image JoinImage(List<Image> imageList, JoinMode jm)
        {
           
            //图片列表
            if (imageList.Count <= 0)
                return null;
            if (jm == JoinMode.Horizontal)
            {
                //横向拼接
                int width = 0;
                //计算总长度
                foreach (Image i in imageList)
                {
                    width += i.Width;
                }
                //高度不变
                int height = imageList.Max(x => x.Height);
                //构造最终的图片白板
                Bitmap tableChartImage = new Bitmap(width, height);
                Graphics graph = Graphics.FromImage(tableChartImage);
                //初始化这个大图
                graph.DrawImage(tableChartImage, width, height);
                //初始化当前宽
                int currentWidth = 0;
                foreach (Image i in imageList)
                {
                    //拼图
                    graph.DrawImage(i, currentWidth, 0);
                    //拼接改图后，当前宽度
                    currentWidth += i.Width;
                }
                return tableChartImage;
            }
            else if (jm == JoinMode.Vertical)
            {
                //纵向拼接
                int height = 0;
                //计算总长度
                foreach (Image i in imageList)
                {
                    height += i.Height;
                }
                //宽度不变
                int width = imageList.Max(x => x.Width);
                //构造最终的图片白板
                Bitmap tableChartImage = new Bitmap(width, height);
                Graphics graph = Graphics.FromImage(tableChartImage);
                //初始化这个大图
                graph.DrawImage(tableChartImage, width, height);
                //初始化当前宽
                int currentHeight = 0;
                foreach (Image i in imageList)
                {
                    //拼图
                    graph.DrawImage(i, 0, currentHeight);
                    //拼接改图后，当前宽度
                    currentHeight += i.Height;
                }
                return tableChartImage;
            }
            else
            {
                return null;
            }
        }

            Bitmap Image1 = new Bitmap(Application.StartupPath + "\\未标题-2_01.bmp");
            Bitmap Image2 = new Bitmap(Application.StartupPath + "\\未标题-2_02.bmp");
            //pictureBox2.Image = Image1;
            //pictureBox3.Image = Image2;

            System.Windows.Forms.PictureBox aa = new PictureBox();
            aa.Image = Image1;
            Image img1=aa.Image;
            aa.Image = Image2;
            Image img2 = aa.Image;

            int uniteWidth = img1.Width;//图片统一高度
            int uniteHeight = img1.Height;//图片统一宽度
            Bitmap tableChartImageCol1 = new Bitmap(uniteWidth * 2, uniteHeight);//第一行图片
            List<Image> imageList = new List<Image>();
            List<Image> imgListCopy = new List<Image>();
            imageList.Add(img1);
            imageList.Add(img2);
            foreach (Image i in imageList)//笨方法，重新new图片,改变图片高度宽度
            {
                Bitmap b = new Bitmap(i, uniteWidth, uniteHeight);
                imgListCopy.Add(b);
            }
            for (int i = 0; i < 2; i++)
            {
                if (imageList.Count - 1 >= i)
                {
                    imageList[i] = imgListCopy[i];//更改后的图片，赋给原图片
                }
            }
            if (true)//进去拼图 //横向拼接
            {
                //图片白板1
                Graphics graph = Graphics.FromImage(tableChartImageCol1);
                //初始化这个大图
                graph.DrawImage(tableChartImageCol1, uniteWidth * 2, uniteHeight);
                //初始化当前宽
                int currentWidth = 0;
                graph.Clear(System.Drawing.Color.White);  ////清除画布,背景设置为白色
                foreach (Image i in imageList)
                {
                    graph.DrawImage(i, currentWidth, 0);//拼图--图片拼起来
                    currentWidth += i.Width; //拼接改图后,当前宽度
                }
            }
            pictureBox1.Image = tableChartImageCol1;