摘要：
#region 原图大小Bitmap sourceBitmap = new Bitmap(picBox.Width, picBox.Height);panelImage.DrawToBitmap(sourceBitmap, new Rectangle(0, 0, picBox.Width, picBox.Height));#endregion#region 区域截取Image imageSource = sourceBitmap;或者（Image.FromFile(filepath)）double orgWidth = IntDouble(imageSource.Width);double o 阅读全文