//添加文字水印和图片水印 private Bitmap SetTextAndIconWatermark(string picUrl, bool isMainPic) { Bitmap watermark = imageWatermark.CreateWatermark( (Bitmap)ImageHelper.SetByteToImage(SysUtils.GetImgByte(picUrl)), SysConst.TextWatermark, ImageWatermark.WatermarkPosition.RigthBottom, 3); if (isMainPic)//只有该图片地址是主图才会去给主图加图片水印 { if (SysConst.IsModifyMainPic) { watermark = imageWatermark.CreateWatermark(watermark, (Bitmap) ImageHelper.SetByteToImage( SysUtils.GetImgByte(SysConst.ImgWatermark)), ImageWatermark.WatermarkPosition.RightTop, 3); } } return(watermark); }