关于给图片加水印的郁闷问题

Question

本帖最后由 zhpmy1 于 2009-11-03 21:09:20 编辑

Answer 1

/// <summary>
    /// 在图片上加入图片版权信息
    /// </summary>
    /// <param name="strFileName">输入图片(绝对路径)</param>
    /// <param name="strOutfileName">输出图片(绝对路径)</param>
    /// <param name="strCopyRightFile">水印图片(绝对路径)</param>
    /// <param name="StrPlace">水印位置</param>
    /// <param name="bolFileName">是否删除输入图片</param>
    public static void CreateCopyRightImage(string strFileName, string strOutfileName, string strCopyRightFile, string StrPlace, bool bolFileName)
    {
        System.Drawing.Image MyImage = System.Drawing.Image.FromFile(strFileName);
        System.Drawing.Image CopyMyImage = System.Drawing.Image.FromFile(strCopyRightFile);
        System.Drawing.Bitmap OutPut = new System.Drawing.Bitmap(MyImage);
        System.Drawing.Graphics GImage = System.Drawing.Graphics.FromImage(OutPut);        int IntX = 0;
        int IntY = 0;
        if (StrPlace == "1")   // 在左上
        {
            IntX = 0;
            IntY = 0;
        }
        else if (StrPlace == "2")  // 在正上
        {
            IntX = (MyImage.Width - CopyMyImage.Width) / 2;
            IntY = 0;
        }
        else if (StrPlace == "3")  // 在右上
        {
            IntX = MyImage.Width - CopyMyImage.Width;
            IntY = 0;
        }
        else if (StrPlace == "4")  // 在正左
        {
            IntX = 0;
            IntY = (MyImage.Height - CopyMyImage.Height) / 2;
        }
        else if (StrPlace == "5")  // 在中间
        { //[Page]
            IntX = (MyImage.Width - CopyMyImage.Width) / 2;
            IntY = (MyImage.Height - CopyMyImage.Height) / 2;
        }
        else if (StrPlace == "6")  // 在正右
        {
            IntX = MyImage.Width - CopyMyImage.Width;
            IntY = (MyImage.Height - CopyMyImage.Height) / 2;
        }
        else if (StrPlace == "7")  // 在左下
        {
            IntX = 0;
            IntY = MyImage.Height - CopyMyImage.Height;
        }
        else if (StrPlace == "8")  // 在正下
        {
            IntX = (MyImage.Width - CopyMyImage.Width) / 2;
            IntY = MyImage.Height - CopyMyImage.Height;
        }
        else if (StrPlace == "9")  // 在右下
        {
            IntX = MyImage.Width - CopyMyImage.Width;
            IntY = MyImage.Height - CopyMyImage.Height;
        }
        else
        {
            IntX = MyImage.Width - CopyMyImage.Width - 10;
            IntY = MyImage.Height - CopyMyImage.Height - 10;
        }        // 画出水印的位置
        GImage.DrawImage(CopyMyImage, IntX, IntY, CopyMyImage.Width, CopyMyImage.Height);        string strExtend = strFileName.Substring(strFileName.LastIndexOf(".") + 1).ToLower();        switch (strExtend)
        {
            case "bmp":
                OutPut.Save(strOutfileName, System.Drawing.Imaging.ImageFormat.Bmp);
                break;
            case "jpg":
                OutPut.Save(strOutfileName, System.Drawing.Imaging.ImageFormat.Jpeg);                break;
            case "gif":
                OutPut.Save(strOutfileName, System.Drawing.Imaging.ImageFormat.Gif);
                break;
            case "icon":
                OutPut.Save(strOutfileName, System.Drawing.Imaging.ImageFormat.Icon); //[Page]
                break;
            case "png":
                OutPut.Save(strOutfileName, System.Drawing.Imaging.ImageFormat.Png);
                break;
            case "tif":
                OutPut.Save(strOutfileName, System.Drawing.Imaging.ImageFormat.Tiff);
                break;
            default:
                OutPut.Save(strOutfileName, System.Drawing.Imaging.ImageFormat.Jpeg);
                break;
        }        GImage.Dispose();
        OutPut.Dispose();
        MyImage.Dispose();
        CopyMyImage.Dispose();        if (bolFileName)
            File.Delete(strFileName);
    }
 这个方法调用就能生成水印图片，本地运行很好，但空间运行就不行了，也不报错

Answer 2

/// <summary>
    /// 在图片上加入图片版权信息
    /// </summary>
    /// <param name="strFileName">输入图片(绝对路径)</param>
    /// <param name="strOutfileName">输出图片(绝对路径)</param>
    /// <param name="strCopyRightFile">水印图片(绝对路径)</param>
    /// <param name="StrPlace">水印位置</param>
    /// <param name="bolFileName">是否删除输入图片</param>
    public static void CreateCopyRightImage(string strFileName, string strOutfileName, string strCopyRightFile, string StrPlace, bool bolFileName)
    {
        System.Drawing.Image MyImage = System.Drawing.Image.FromFile(strFileName);
        System.Drawing.Image CopyMyImage = System.Drawing.Image.FromFile(strCopyRightFile);
        System.Drawing.Bitmap OutPut = new System.Drawing.Bitmap(MyImage);
        System.Drawing.Graphics GImage = System.Drawing.Graphics.FromImage(OutPut);        int IntX = 0;
        int IntY = 0;
        if (StrPlace == "1")   // 在左上
        {
            IntX = 0;
            IntY = 0;
        }
        else if (StrPlace == "2")  // 在正上
        {
            IntX = (MyImage.Width - CopyMyImage.Width) / 2;
            IntY = 0;
        }
        else if (StrPlace == "3")  // 在右上
        {
            IntX = MyImage.Width - CopyMyImage.Width;
            IntY = 0;
        }
        else if (StrPlace == "4")  // 在正左
        {
            IntX = 0;
            IntY = (MyImage.Height - CopyMyImage.Height) / 2;
        }
        else if (StrPlace == "5")  // 在中间
        { //[Page]
            IntX = (MyImage.Width - CopyMyImage.Width) / 2;
            IntY = (MyImage.Height - CopyMyImage.Height) / 2;
        }
        else if (StrPlace == "6")  // 在正右
        {
            IntX = MyImage.Width - CopyMyImage.Width;
            IntY = (MyImage.Height - CopyMyImage.Height) / 2;
        }
        else if (StrPlace == "7")  // 在左下
        {
            IntX = 0;
            IntY = MyImage.Height - CopyMyImage.Height;
        }
        else if (StrPlace == "8")  // 在正下
        {
            IntX = (MyImage.Width - CopyMyImage.Width) / 2;
            IntY = MyImage.Height - CopyMyImage.Height;
        }
        else if (StrPlace == "9")  // 在右下
        {
            IntX = MyImage.Width - CopyMyImage.Width;
            IntY = MyImage.Height - CopyMyImage.Height;
        }
        else
        {
            IntX = MyImage.Width - CopyMyImage.Width - 10;
            IntY = MyImage.Height - CopyMyImage.Height - 10;
        }        // 画出水印的位置
        GImage.DrawImage(CopyMyImage, IntX, IntY, CopyMyImage.Width, CopyMyImage.Height);        string strExtend = strFileName.Substring(strFileName.LastIndexOf(".") + 1).ToLower();        switch (strExtend)
        {
            case "bmp":
                OutPut.Save(strOutfileName, System.Drawing.Imaging.ImageFormat.Bmp);
                break;
            case "jpg":
                OutPut.Save(strOutfileName, System.Drawing.Imaging.ImageFormat.Jpeg);                break;
            case "gif":
                OutPut.Save(strOutfileName, System.Drawing.Imaging.ImageFormat.Gif);
                break;
            case "icon":
                OutPut.Save(strOutfileName, System.Drawing.Imaging.ImageFormat.Icon); //[Page]
                break;
            case "png":
                OutPut.Save(strOutfileName, System.Drawing.Imaging.ImageFormat.Png);
                break;
            case "tif":
                OutPut.Save(strOutfileName, System.Drawing.Imaging.ImageFormat.Tiff);
                break;
            default:
                OutPut.Save(strOutfileName, System.Drawing.Imaging.ImageFormat.Jpeg);
                break;
        }        GImage.Dispose();
        OutPut.Dispose();
        MyImage.Dispose();
        CopyMyImage.Dispose();        if (bolFileName)
            File.Delete(strFileName);
    }
 这个方法调用就能生成水印图片，本地运行很好，但空间运行就不行了，也不报错

Answer 3

图片格式是什么。JPG是否都不行
虚拟空间应该支持

Answer 4

gdi+绘图 功能不支持使用吧
图片传到服务器上面 保存一次 然后 打完水印 再 保存一次