/// <summary> /// 创建 /// </summary> /// <param name="FileName">原始图片路径</param> public bool SetImage(string FileName) { srcFileName = HotoUtils.GetMapPath(FileName); try { srcImage = Image.FromFile(srcFileName); } catch { return(false); } return(true); }
/// <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(HotoUtils.GetMapPath(imgPath))) { return; } byte[] _ImageBytes = File.ReadAllBytes(HotoUtils.GetMapPath(imgPath)); Image img = Image.FromStream(new System.IO.MemoryStream(_ImageBytes)); filename = HotoUtils.GetMapPath(filename); if (watermarkFilename.StartsWith("/") == false) { watermarkFilename = "/" + watermarkFilename; } watermarkFilename = HotoUtils.GetMapPath(watermarkFilename); if (!File.Exists(watermarkFilename)) { return; } Graphics g = Graphics.FromImage(img); //设置高质量插值法 //g.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.High; //设置高质量,低速度呈现平滑程度 //g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.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(); }
/// <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(HotoUtils.GetMapPath(imgPath)); Image img = Image.FromStream(new System.IO.MemoryStream(_ImageBytes)); filename = HotoUtils.GetMapPath(filename); Graphics g = Graphics.FromImage(img); 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(); }
/// <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="channelId">该页面所属的频道ID</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, int channelId, int nest) { StringBuilder strReturn = new StringBuilder(220000); //返回的字符 string templetFullPath = HotoUtils.GetMapPath(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(""); } string extNamespace = ""; //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 textOutput = new StringBuilder(70000); textOutput.Append(objReader.ReadToEnd()); objReader.Close(); //处理Csharp语句 foreach (Match m in r[2].Matches(textOutput.ToString())) { textOutput.Replace(m.Groups[0].ToString(), m.Groups[0].ToString().Replace("\r\n", "\r\t\r")); } //替换标记 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%>"); string[] strlist = HotoUtils.SplitString(textOutput.ToString(), "\r\r\n"); for (int i = 0; i < strlist.Length; i++) { if (strlist[i] == "") { continue; } //替换标签 strReturn.Append(ConvertTags(nest, channelId, sitePath, tempPath, skinName, strlist[i])); } //写入文件 if (nest == 1) { //命名空间 foreach (Match m in r[1].Matches(textOutput.ToString())) { extNamespace += "\r\n<%@ Import namespace=\"" + m.Groups[1] + "\" %>"; textOutput.Replace(m.Groups[0].ToString(), string.Empty); } //频道ID string channelStr = string.Empty; if (channelId > 0) { channelStr = "\r\n\tconst int channel_id = " + channelId + ";"; } 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=\"Hoto.Common\" %>\r\n{1}\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 DTcms Template Engine at {2}.\r\n\t\t本页面代码由DTcms模板引擎生成于 {2}. \r\n\t*/\r\n\r\n\tbase.OnInit(e);\r\n\tStringBuilder templateBuilder = new StringBuilder({3});{4}\r\n{5}\r\n\tResponse.Write(templateBuilder.ToString());\r\n}}\r\n</script>\r\n", inherit, extNamespace, DateTime.Now, strReturn.Capacity, channelStr, Regex.Replace(strReturn.ToString(), @"\r\n\s*templateBuilder\.Append\(""""\);", "")); string pageDir = HotoUtils.GetMapPath(sitePath + "aspx/"); string outputPath = pageDir + fromPage; if (!Directory.Exists(pageDir)) { Directory.CreateDirectory(pageDir); } 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()); }