CutandZoom 图片剪切类

public class CutandZoom
  {
      /// <summary>
      /// 剪切图片
      /// </summary>
      /// <param name="path_source">原始图片路径</param>
      /// <param name="path_save">目标图片路径</param>
      /// <param name="x">剪切位置的左上角x坐标</param>
      /// <param name="y">剪切位置的左上角y坐标</param>
      /// <param name="width">要剪切的宽度</param>
      /// <param name="height">要剪切的高度</param>
      public void Cut(string path_source, string path_save, int x, int y, int width, int height, int intWidth, int intHeight)
      {
          //加载底图
          Image img = Image.FromFile(path_source);
          int w = img.Width;
          int h = img.Height;
          //设置画布
          width = width >= w ? w : width;
          height = height >= h ? h : height;
          Bitmap map = new Bitmap(width, height);
          //绘图
          Graphics g = Graphics.FromImage(map);
          //设置图片质量
          //g.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.HighQualityBicubic;
          //g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality;

          g.DrawImage(img, 0, 0, new Rectangle(x, y, width, height), GraphicsUnit.Pixel);
          //保存
          System.Drawing.Bitmap objNewPic = new System.Drawing.Bitmap(map, intWidth, intHeight);
          // map.Save(path_save);
          objNewPic.Save(path_save);

      }

  }