コード例 #1
0
        /// <summary>
        /// 图片水印
        /// </summary>
        /// <param name="imgPath">服务器图片相对路径</param>
        /// <param name="filename">保存文件名</param>
        /// <param name="watermarkFilename">水印文件相对路径</param>
        /// <param name="watermarkStatus">图片水印位置 0=不使用 1=左上 2=中上 3=右上 4=左中  9=右下</param>
        /// <param name="quality">附加水印图片质量,0-100</param>
        /// <param name="watermarkTransparency">水印的透明度 1--10 10为不透明</param>
        public static void AddImageSignPic(string imgPath, string filename, string watermarkFilename, int watermarkStatus, int quality, int watermarkTransparency)
        {
            if (!File.Exists(Utils.GetMapPath(imgPath)))
            {
                return;
            }
            byte[] _ImageBytes = File.ReadAllBytes(Utils.GetMapPath(imgPath));
            Image  img         = Image.FromStream(new System.IO.MemoryStream(_ImageBytes));

            filename = Utils.GetMapPath(filename);

            if (watermarkFilename.StartsWith("/") == false)
            {
                watermarkFilename = "/" + watermarkFilename;
            }
            watermarkFilename = Utils.GetMapPath(watermarkFilename);
            if (!File.Exists(watermarkFilename))
            {
                return;
            }
            Graphics g = Graphics.FromImage(img);

            //设置高质量插值法
            g.InterpolationMode = InterpolationMode.HighQualityBicubic;
            //设置高质量,低速度呈现平滑程度
            g.SmoothingMode   = SmoothingMode.AntiAlias;
            g.PixelOffsetMode = PixelOffsetMode.HighQuality;

            Image watermark = new Bitmap(watermarkFilename);

            if (watermark.Height >= img.Height || watermark.Width >= img.Width)
            {
                return;
            }

            ImageAttributes imageAttributes = new ImageAttributes();
            ColorMap        colorMap        = new ColorMap();

            colorMap.OldColor = Color.FromArgb(255, 0, 255, 0);
            colorMap.NewColor = Color.FromArgb(0, 0, 0, 0);
            ColorMap[] remapTable = { colorMap };

            imageAttributes.SetRemapTable(remapTable, ColorAdjustType.Bitmap);

            float transparency = 0.5F;

            if (watermarkTransparency >= 1 && watermarkTransparency <= 10)
            {
                transparency = (watermarkTransparency / 10.0F);
            }


            float[][] colorMatrixElements =
            {
                new float[] { 1.0f, 0.0f, 0.0f,         0.0f, 0.0f },
                new float[] { 0.0f, 1.0f, 0.0f,         0.0f, 0.0f },
                new float[] { 0.0f, 0.0f, 1.0f,         0.0f, 0.0f },
                new float[] { 0.0f, 0.0f, 0.0f, transparency, 0.0f },
                new float[] { 0.0f, 0.0f, 0.0f,         0.0f, 1.0f }
            };

            ColorMatrix colorMatrix = new ColorMatrix(colorMatrixElements);

            imageAttributes.SetColorMatrix(colorMatrix, ColorMatrixFlag.Default, ColorAdjustType.Bitmap);

            int xpos = 0;
            int ypos = 0;

            switch (watermarkStatus)
            {
            case 1:
                xpos = (int)(img.Width * (float).01);
                ypos = (int)(img.Height * (float).01);
                break;

            case 2:
                xpos = (int)((img.Width * (float).50) - (watermark.Width / 2));
                ypos = (int)(img.Height * (float).01);
                break;

            case 3:
                xpos = (int)((img.Width * (float).99) - (watermark.Width));
                ypos = (int)(img.Height * (float).01);
                break;

            case 4:
                xpos = (int)(img.Width * (float).01);
                ypos = (int)((img.Height * (float).50) - (watermark.Height / 2));
                break;

            case 5:
                xpos = (int)((img.Width * (float).50) - (watermark.Width / 2));
                ypos = (int)((img.Height * (float).50) - (watermark.Height / 2));
                break;

            case 6:
                xpos = (int)((img.Width * (float).99) - (watermark.Width));
                ypos = (int)((img.Height * (float).50) - (watermark.Height / 2));
                break;

            case 7:
                xpos = (int)(img.Width * (float).01);
                ypos = (int)((img.Height * (float).99) - watermark.Height);
                break;

            case 8:
                xpos = (int)((img.Width * (float).50) - (watermark.Width / 2));
                ypos = (int)((img.Height * (float).99) - watermark.Height);
                break;

            case 9:
                xpos = (int)((img.Width * (float).99) - (watermark.Width));
                ypos = (int)((img.Height * (float).99) - watermark.Height);
                break;
            }

            g.DrawImage(watermark, new Rectangle(xpos, ypos, watermark.Width, watermark.Height), 0, 0, watermark.Width, watermark.Height, GraphicsUnit.Pixel, imageAttributes);

            ImageCodecInfo[] codecs = ImageCodecInfo.GetImageEncoders();
            ImageCodecInfo   ici    = null;

            foreach (ImageCodecInfo codec in codecs)
            {
                if (codec.MimeType.IndexOf("jpeg") > -1)
                {
                    ici = codec;
                }
            }
            EncoderParameters encoderParams = new EncoderParameters();

            long[] qualityParam = new long[1];
            if (quality < 0 || quality > 100)
            {
                quality = 80;
            }

            qualityParam[0] = quality;

            EncoderParameter encoderParam = new EncoderParameter(System.Drawing.Imaging.Encoder.Quality, qualityParam);

            encoderParams.Param[0] = encoderParam;

            if (ici != null)
            {
                img.Save(filename, ici, encoderParams);
            }
            else
            {
                img.Save(filename);
            }

            g.Dispose();
            img.Dispose();
            watermark.Dispose();
            imageAttributes.Dispose();
        }
コード例 #2
0
        /// <summary>
        /// 文字水印
        /// </summary>
        /// <param name="imgPath">服务器图片相对路径</param>
        /// <param name="filename">保存文件名</param>
        /// <param name="watermarkText">水印文字</param>
        /// <param name="watermarkStatus">图片水印位置 0=不使用 1=左上 2=中上 3=右上 4=左中  9=右下</param>
        /// <param name="quality">附加水印图片质量,0-100</param>
        /// <param name="fontname">字体</param>
        /// <param name="fontsize">字体大小</param>
        public static void AddImageSignText(string imgPath, string filename, string watermarkText, int watermarkStatus, int quality, string fontname, int fontsize)
        {
            byte[] _ImageBytes = File.ReadAllBytes(Utils.GetMapPath(imgPath));
            Image  img         = Image.FromStream(new System.IO.MemoryStream(_ImageBytes));

            filename = Utils.GetMapPath(filename);

            Graphics g = Graphics.FromImage(img);

            //设置高质量插值法
            g.InterpolationMode = InterpolationMode.HighQualityBicubic;
            //设置高质量,低速度呈现平滑程度
            g.SmoothingMode   = SmoothingMode.AntiAlias;
            g.PixelOffsetMode = PixelOffsetMode.HighQuality;
            Font  drawFont = new Font(fontname, fontsize, FontStyle.Regular, GraphicsUnit.Pixel);
            SizeF crSize;

            crSize = g.MeasureString(watermarkText, drawFont);

            float xpos = 0;
            float ypos = 0;

            switch (watermarkStatus)
            {
            case 1:
                xpos = (float)img.Width * (float).01;
                ypos = (float)img.Height * (float).01;
                break;

            case 2:
                xpos = ((float)img.Width * (float).50) - (crSize.Width / 2);
                ypos = (float)img.Height * (float).01;
                break;

            case 3:
                xpos = ((float)img.Width * (float).99) - crSize.Width;
                ypos = (float)img.Height * (float).01;
                break;

            case 4:
                xpos = (float)img.Width * (float).01;
                ypos = ((float)img.Height * (float).50) - (crSize.Height / 2);
                break;

            case 5:
                xpos = ((float)img.Width * (float).50) - (crSize.Width / 2);
                ypos = ((float)img.Height * (float).50) - (crSize.Height / 2);
                break;

            case 6:
                xpos = ((float)img.Width * (float).99) - crSize.Width;
                ypos = ((float)img.Height * (float).50) - (crSize.Height / 2);
                break;

            case 7:
                xpos = (float)img.Width * (float).01;
                ypos = ((float)img.Height * (float).99) - crSize.Height;
                break;

            case 8:
                xpos = ((float)img.Width * (float).50) - (crSize.Width / 2);
                ypos = ((float)img.Height * (float).99) - crSize.Height;
                break;

            case 9:
                xpos = ((float)img.Width * (float).99) - crSize.Width;
                ypos = ((float)img.Height * (float).99) - crSize.Height;
                break;
            }

            g.DrawString(watermarkText, drawFont, new SolidBrush(Color.White), xpos + 1, ypos + 1);
            g.DrawString(watermarkText, drawFont, new SolidBrush(Color.Black), xpos, ypos);

            ImageCodecInfo[] codecs = ImageCodecInfo.GetImageEncoders();
            ImageCodecInfo   ici    = null;

            foreach (ImageCodecInfo codec in codecs)
            {
                if (codec.MimeType.IndexOf("jpeg") > -1)
                {
                    ici = codec;
                }
            }
            EncoderParameters encoderParams = new EncoderParameters();

            long[] qualityParam = new long[1];
            if (quality < 0 || quality > 100)
            {
                quality = 80;
            }

            qualityParam[0] = quality;

            EncoderParameter encoderParam = new EncoderParameter(System.Drawing.Imaging.Encoder.Quality, qualityParam);

            encoderParams.Param[0] = encoderParam;

            if (ici != null)
            {
                img.Save(filename, ici, encoderParams);
            }
            else
            {
                img.Save(filename);
            }

            g.Dispose();
            img.Dispose();
        }
コード例 #3
0
        /// <summary>
        /// 获得模板字符串,从设置中的模板路径来读取模板文件.
        /// </summary>
        /// <param name="sitePath">站点目录</param>
        /// <param name="tempPath">模板目录</param>
        /// <param name="skinName">模板名</param>
        /// <param name="templateName">模板文件的文件名称</param>
        /// <param name="fromPage">源页面名称</param>
        /// <param name="inherit">该页面继承的类</param>
        /// <param name="buildPath">生成目录名</param>
        /// <param name="nest">嵌套次数</param>
        /// <returns>string值,如果失败则为"",成功则为模板内容的string</returns>
        public static string GetTemplate(string sitePath, string tempPath, string skinName, string templet, string fromPage, string inherit, string buildPath, int nest)
        {
            StringBuilder strReturn       = new StringBuilder(220000);                                                                //返回的字符
            string        templetFullPath = Utils.GetMapPath(string.Format("{0}{1}/{2}/{3}", sitePath, tempPath, skinName, templet)); //取得模板文件物理路径

            //超过5次嵌套退出
            if (nest < 1)
            {
                nest = 1;
            }
            else if (nest > 5)
            {
                return("");
            }

            //检查模板文件是否存在
            if (!File.Exists(templetFullPath))
            {
                return("");
            }

            //开始读写文件
            using (StreamReader objReader = new StreamReader(templetFullPath, Encoding.UTF8))
            {
                StringBuilder extNamespace = new StringBuilder(); //命名空间标签转换容器
                StringBuilder textOutput   = new StringBuilder(70000);
                textOutput.Append(objReader.ReadToEnd());
                objReader.Close();

                //替换Csharp标签
                foreach (Match m in r[3].Matches(textOutput.ToString()))
                {
                    textOutput.Replace(m.Groups[0].ToString(), m.Groups[0].ToString().Replace("\r\n", "\r\t\r"));
                }
                //替换命名空间标签
                foreach (Match m in r[2].Matches(textOutput.ToString()))
                {
                    extNamespace.Append("\r\n<%@ Import namespace=\"" + m.Groups[1] + "\" %>");
                    textOutput.Replace(m.Groups[0].ToString(), string.Empty);
                }
                //替换特殊标记
                textOutput.Replace("\r\n", "\r\r\r");
                textOutput.Replace("<%", "\r\r\n<%");
                textOutput.Replace("%>", "%>\r\r\n");
                textOutput.Replace("<%csharp%>\r\r\n", "<%csharp%>").Replace("\r\r\n<%/csharp%>", "<%/csharp%>");

                //开始查找替换标签
                string[] strlist = Utils.SplitString(textOutput.ToString(), "\r\r\n");
                for (int i = 0; i < strlist.Length; i++)
                {
                    if (strlist[i] == "")
                    {
                        continue;
                    }
                    strReturn.Append(ConvertTags(nest, sitePath, tempPath, skinName, strlist[i])); //搜索替换标签
                }

                //如果是第一层则写入文件
                if (nest == 1)
                {
                    //页面头部声明
                    string template = string.Format("<%@ Page Language=\"C#\" AutoEventWireup=\"true\" Inherits=\"{0}\" ValidateRequest=\"false\" %>\r\n" +
                                                    "<%@ Import namespace=\"System.Collections.Generic\" %>\r\n" +
                                                    "<%@ Import namespace=\"System.Text\" %>\r\n" +
                                                    "<%@ Import namespace=\"System.Data\" %>\r\n" +
                                                    "<%@ Import namespace=\"Common\" %>{1}\r\n\r\n" +
                                                    "<script runat=\"server\">\r\noverride protected void OnInit(EventArgs e)\r\n" +
                                                    "{{\r\n\r\n\t/* \r\n\t\tThis page was created by MxWeiXinPF Template Engine at {2}.\r\n\t\t" +
                                                    "本页面代码由MxWeiXinPF模板引擎生成于 {2}. \r\n\t*/\r\n\r\n\tbase.OnInit(e);\r\n\t" +
                                                    "StringBuilder templateBuilder = new StringBuilder({3});{4}\r\n\t" +
                                                    "Response.Write(templateBuilder.ToString());\r\n}}\r\n</script>\r\n", inherit, extNamespace.ToString(), DateTime.Now, strReturn.Capacity,
                                                    Regex.Replace(strReturn.ToString(), @"\r\n\s*templateBuilder\.Append\(""""\);", ""));
                    string pageDir    = Utils.GetMapPath(string.Format("{0}aspx/{1}/", sitePath, buildPath)); //生成文件的目录路径
                    string outputPath = pageDir + fromPage;                                                   //生成文件的物理路径
                    //如果物理路径不存在则创建
                    if (!Directory.Exists(pageDir))
                    {
                        Directory.CreateDirectory(pageDir);
                    }
                    //保存写入文件
                    File.WriteAllText(outputPath, template, Encoding.UTF8);
                    //using (FileStream fs = new FileStream(outputPath, FileMode.Create, FileAccess.ReadWrite, FileShare.ReadWrite))
                    //{
                    //    Byte[] info = Encoding.UTF8.GetBytes(template);
                    //    fs.Write(info, 0, info.Length);
                    //    fs.Close();
                    //}
                }
            }

            return(strReturn.ToString());
        }