/// <summary>
/// 读取XPS缩略图
/// </summary>
/// <param name="res_key"></param>
/// <param name="rft"></param>
/// <returns></returns>
public static string XpsImage(string resFile, ResFileType rft)
{
string url = "";
try
{
if (!string.IsNullOrEmpty(resFile))
{
string filePath = RWUtility.GetResPath(resFile);
if (System.IO.File.Exists(filePath))
{
string path = resFile.Split('/')[0] + "/thumbnail.jpg";
if (IsFileExists(path))
{
url = GetResUrl(path);
}
}
}
if (url.Length == 0)
{
if (ResConfig.Current.Icons.ContainsKey(rft))
{
return(ResConfig.Current.ResUrlDefault + ResConfig.Current.Icons[rft].Default);
}
}
}
catch (Exception ex)
{
OSeage.Common.Log.Logger.Error(string.Format("[{0}]XpsImage Error:{1}", resFile, ex.ToString()));
}
return(url);
}
/// <summary>
/// 根据类型获取缺省时显示的网址
/// </summary>
/// <param name="rft"></param>
/// <returns></returns>
public static string GetDefaultUrlByResFileType(ResFileType rft)
{
if (ResConfig.Current.Icons.ContainsKey(rft))
{
return(ResConfig.Current.ResUrlDefault + ResConfig.Current.Icons[rft].Default);
}
else
{
return(string.Empty);
}
}
/// <summary>
/// 图片缩放
/// </summary>
/// <param name="filePath"></param>
/// <param name="rft"></param>
/// <returns></returns>
public static string PicZoomAuto(string filePath, ResFileType rft)
{
filePath = RWUtility.GetResPath(filePath);
string savePath = string.Empty;
if (ResConfig.Current.Icons.ContainsKey(rft))
{
IconInfo size = ResConfig.Current.Icons[rft];
string dirPath = Path.GetDirectoryName(filePath) + string.Format("\\{0}x{1}\\", size.Width, size.Height);
if (!Directory.Exists(dirPath))
{
Directory.CreateDirectory(dirPath);
}
ImgUtil.ZoomAuto(filePath, dirPath + Path.GetFileName(filePath), size.Width, size.Height, null, null, 100);
savePath = dirPath + Path.GetFileName(filePath);
}
return(savePath);
}
/// <summary>
/// 获取html字符串中的第一个图片
/// </summary>
/// <param name="htmlText"></param>
/// <returns></returns>
public static string GetFirstImages(string htmlText, ResFileType rft)
{
string img = string.Empty;
// 定义正则表达式用来匹配 img 标签
Regex regImg = new Regex(@"<img\b[^<>]*?\bsrc[\s\t\r\n]*=[\s\t\r\n]*[""']?[\s\t\r\n]*(?<imgUrl>[^\s\t\r\n""'<>]*)[^<>]*?/?[\s\t\r\n]*>", RegexOptions.IgnoreCase);
// 搜索匹配的字符串
MatchCollection matches = regImg.Matches(htmlText);
if (matches.Count > 0)
{
img = matches[0].Groups["imgUrl"].Value;
}
if (string.IsNullOrEmpty(img))
{
return(ResConfig.Current.ResUrlDefault + ResConfig.Current.Icons[rft].Default);
}
return(img);
}
/// <summary>
/// 根据资源相对路径，获取资源的URL数据，带文件是否存在判断以及不存在时返回缺省值
/// </summary>
/// <returns></returns>
public static string FormatResUrl(string resFile, ResFileType rft)
{
string url = "";
try
{
if (!string.IsNullOrEmpty(resFile))
{
if (ResConfig.Current.Icons.ContainsKey(rft))
{
string path = resFile.Split('/')[0] + string.Format("\\{0}x{1}\\",
ResConfig.Current.Icons[rft].Width, ResConfig.Current.Icons[rft].Height) +
resFile.Split('/')[1];
if (IsFileExists(path))
{
url = GetResUrl(path);
}
}
else
{
if (IsFileExists(resFile))
{
url = GetResUrl(resFile);
}
}
}
if (url.Length == 0)
{
if (ResConfig.Current.Icons.ContainsKey(rft))
{
return(ResConfig.Current.ResUrlDefault + ResConfig.Current.Icons[rft].Default);
}
}
}
catch (Exception ex)
{
OSeage.Common.Log.Logger.Error(string.Format("[{0}]FormatResUrl Error:{1}", resFile, ex.ToString()));
}
return(url);
}
private IList<ResFileInfo> GetFileList(string path, ResFileType type, CheckFileValidate checkMethod)
{
List<ResFileInfo> list = new List<ResFileInfo>();
DirectoryInfo dir = new DirectoryInfo(path);
if (dir.Exists)
{
foreach (FileInfo file in dir.GetFiles())
{
if (checkMethod(file))
{
ResFileInfo resFile = new ResFileInfo();
resFile.FileName = file.Name;
resFile.Extension = file.Extension;
resFile.Type = type;
resFile.CreateTime = file.CreationTime;
resFile.UpdateTime = file.LastWriteTime;
resFile.Size = CountSize(file.Length);
list.Add(resFile);
}
}
}
return list;
}
private IList <ResFileInfo> GetFileList(string path, ResFileType type, CheckFileValidate checkMethod)
{
List <ResFileInfo> list = new List <ResFileInfo>();
DirectoryInfo dir = new DirectoryInfo(path);
if (dir.Exists)
{
foreach (FileInfo file in dir.GetFiles())
{
if (checkMethod(file))
{
ResFileInfo resFile = new ResFileInfo();
resFile.FileName = file.Name;
resFile.Extension = file.Extension;
resFile.Type = type;
resFile.CreateTime = file.CreationTime;
resFile.UpdateTime = file.LastWriteTime;
resFile.Size = CountSize(file.Length);
list.Add(resFile);
}
}
}
return(list);
}
/// <summary>
/// 创建缩略图
/// </summary>
public static string CutAvatar(string imgSrc, int x, int y, int width, int height, long Quality, ResFileType rft, int t)
{
try
{
imgSrc = RWUtility.GetResPath(imgSrc);
string dirPath = string.Empty;
if (ResConfig.Current.Icons.ContainsKey(rft))
{
IconInfo size = ResConfig.Current.Icons[rft];
dirPath = Path.GetDirectoryName(imgSrc) + string.Format("\\{0}x{1}\\", size.Width, size.Height);
if (!Directory.Exists(dirPath))
{
Directory.CreateDirectory(dirPath);
}
Image original = Image.FromFile(imgSrc);
Bitmap img = new Bitmap(t, t, PixelFormat.Format24bppRgb);
img.MakeTransparent(img.GetPixel(0, 0));
img.SetResolution(72, 72);
using (Graphics gr = Graphics.FromImage(img))
{
if (original.RawFormat.Equals(ImageFormat.Jpeg) || original.RawFormat.Equals(ImageFormat.Png) || original.RawFormat.Equals(ImageFormat.Bmp))
{
gr.Clear(Color.Transparent);
}
if (original.RawFormat.Equals(ImageFormat.Gif))
{
gr.Clear(Color.White);
}
gr.InterpolationMode = InterpolationMode.HighQualityBicubic;
gr.SmoothingMode = SmoothingMode.AntiAlias;
gr.CompositingQuality = CompositingQuality.HighQuality;
gr.PixelOffsetMode = PixelOffsetMode.HighQuality;
gr.TextRenderingHint = System.Drawing.Text.TextRenderingHint.ClearTypeGridFit;
using (var attribute = new System.Drawing.Imaging.ImageAttributes())
{
attribute.SetWrapMode(WrapMode.TileFlipXY);
gr.DrawImage(original, new Rectangle(0, 0, t, t), x, y, width, height, GraphicsUnit.Pixel, attribute);
}
}
ImageCodecInfo myImageCodecInfo = GetEncoderInfo("image/jpeg");
if (original.RawFormat.Equals(ImageFormat.Jpeg))
{
myImageCodecInfo = GetEncoderInfo("image/jpeg");
}
else
if (original.RawFormat.Equals(ImageFormat.Png))
{
myImageCodecInfo = GetEncoderInfo("image/png");
}
else
if (original.RawFormat.Equals(ImageFormat.Gif))
{
myImageCodecInfo = GetEncoderInfo("image/gif");
}
else
if (original.RawFormat.Equals(ImageFormat.Bmp))
{
myImageCodecInfo = GetEncoderInfo("image/bmp");
}
System.Drawing.Imaging.Encoder myEncoder = System.Drawing.Imaging.Encoder.Quality;
EncoderParameters myEncoderParameters = new EncoderParameters(1);
EncoderParameter myEncoderParameter = new EncoderParameter(myEncoder, Quality);
myEncoderParameters.Param[0] = myEncoderParameter;
img.Save(dirPath + Path.GetFileName(imgSrc), myImageCodecInfo, myEncoderParameters);
}
return(dirPath + Path.GetFileName(imgSrc));
}
catch
{
return("");
}
}