private static Picture DBMapping(DBPicture dbItem)
{
if (dbItem == null)
return null;
Picture item = new Picture();
item.PictureID = dbItem.PictureID;
item.PictureBinary = dbItem.PictureBinary;
item.Extension = dbItem.Extension;
item.IsNew = dbItem.IsNew;
return item;
}
/// <summary>
/// Get a picture URL
/// </summary>
/// <param name="picture">Picture instance</param>
/// <param name="TargetSize">The target picture size (longest side)</param>
/// <param name="showDefaultPicture">A value indicating whether the default picture is shown</param>
/// <returns></returns>
public static string GetPictureUrl(Picture picture, int TargetSize, bool showDefaultPicture)
{
string url = string.Empty;
if (picture == null)
{
if (showDefaultPicture)
url = GetDefaultPictureUrl(TargetSize);
return url;
}
string[] parts = picture.Extension.Split('/');
string lastPart = parts[parts.Length - 1];
switch (lastPart)
{
case "pjpeg":
lastPart = "jpg";
break;
case "x-png":
lastPart = "png";
break;
case "x-icon":
lastPart = "ico";
break;
}
string localFilename = string.Empty;
if (picture.IsNew)
{
string filter = string.Format("{0}*.*", picture.PictureID.ToString("0000000"));
string[] currentFiles = System.IO.Directory.GetFiles(PictureManager.LocalThumbImagePath, filter);
foreach (string currentFileName in currentFiles)
File.Delete(Path.Combine(PictureManager.LocalThumbImagePath, currentFileName));
picture = PictureManager.UpdatePicture(picture.PictureID, picture.PictureBinary, picture.Extension, false);
}
lock (s_lock)
{
if (TargetSize == 0)
{
localFilename = string.Format("{0}.{1}", picture.PictureID.ToString("0000000"), lastPart);
if (!File.Exists(Path.Combine(PictureManager.LocalThumbImagePath, localFilename)))
{
if (!System.IO.Directory.Exists(PictureManager.LocalThumbImagePath))
{
System.IO.Directory.CreateDirectory(PictureManager.LocalThumbImagePath);
}
File.WriteAllBytes(Path.Combine(PictureManager.LocalThumbImagePath, localFilename), picture.PictureBinary);
}
}
else
{
localFilename = string.Format("{0}_{1}.{2}", picture.PictureID.ToString("0000000"), TargetSize, lastPart);
if (!File.Exists(Path.Combine(PictureManager.LocalThumbImagePath, localFilename)))
{
if (!System.IO.Directory.Exists(PictureManager.LocalThumbImagePath))
{
System.IO.Directory.CreateDirectory(PictureManager.LocalThumbImagePath);
}
using (MemoryStream stream = new MemoryStream(picture.PictureBinary))
{
Bitmap b = new Bitmap(stream);
Size newSize = CalculateDimensions(b.Size, TargetSize);
if (newSize.Width < 1)
newSize.Width = 1;
if (newSize.Height < 1)
newSize.Height = 1;
Bitmap newBitMap = new Bitmap(newSize.Width, newSize.Height);
Graphics g = Graphics.FromImage(newBitMap);
g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality;
g.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.HighQualityBicubic;
g.CompositingQuality = System.Drawing.Drawing2D.CompositingQuality.HighQuality;
g.PixelOffsetMode = System.Drawing.Drawing2D.PixelOffsetMode.HighQuality;
g.DrawImage(b, 0, 0, newSize.Width, newSize.Height);
EncoderParameters ep = new EncoderParameters();
ep.Param[0] = new EncoderParameter(System.Drawing.Imaging.Encoder.Quality, PictureManager.ImageQuality);
newBitMap.Save(Path.Combine(PictureManager.LocalThumbImagePath, localFilename), getImageCodeInfo("image/jpeg"), ep);
newBitMap.Dispose();
b.Dispose();
}
}
}
}
url = CommonHelper.GetStoreLocation() + "images/thumbs/" + localFilename;
return url;
}
/// <summary>
/// Get a picture URL
/// </summary>
/// <param name="picture">Picture instance</param>
/// <returns>Picture URL</returns>
public static string GetPictureUrl(Picture picture)
{
return GetPictureUrl(picture, 0);
}
/// <summary>
/// Get a picture URL
/// </summary>
/// <param name="picture">Picture instance</param>
/// <param name="TargetSize">The target picture size (longest side)</param>
/// <returns>Picture URL</returns>
public static string GetPictureUrl(Picture picture, int TargetSize)
{
return GetPictureUrl(picture, TargetSize, true);
}
/// <summary>
///
/// </summary>
/// <param name="picture"></param>
/// <param name="targetSize"></param>
/// <returns></returns>
public string GetWidePictureUrl(Picture picture, int targetSize)
{
return GetWidePictureUrl(picture, targetSize, true);
}
/// <summary>
/// Delete a picture on file system
/// </summary>
/// <param name="picture">Picture</param>
private void DeletePictureOnFileSystem(Picture picture)
{
if (picture == null)
throw new ArgumentNullException("picture");
string[] parts = picture.MimeType.Split('/');
string lastPart = parts[parts.Length - 1];
switch (lastPart)
{
case "pjpeg":
lastPart = "jpg";
break;
case "x-png":
lastPart = "png";
break;
case "x-icon":
lastPart = "ico";
break;
}
string localFilename = string.Format("{0}_0.{1}", picture.PictureId.ToString("0000000"), lastPart);
string localFilepath = Path.Combine(LocalImagePath, localFilename);
if (File.Exists(localFilepath))
{
File.Delete(localFilepath);
}
}
/// <summary>
/// Get a picture local path
/// </summary>
/// <param name="picture">Picture instance</param>
/// <param name="targetSize">The target picture size (longest side)</param>
/// <param name="showDefaultPicture">A value indicating whether the default picture is shown</param>
/// <returns></returns>
public string GetPictureLocalPath(Picture picture, int targetSize, bool showDefaultPicture)
{
string url = GetPictureUrl(picture, targetSize, showDefaultPicture);
if(String.IsNullOrEmpty(url))
{
return String.Empty;
}
else
{
return Path.Combine(this.LocalThumbImagePath, Path.GetFileName(url));
}
}
/// <summary>
/// Get a picture URL
/// </summary>
/// <param name="picture">Picture instance</param>
/// <param name="targetSize">The target picture size (longest side)</param>
/// <param name="showDefaultPicture">A value indicating whether the default picture is shown</param>
/// <returns></returns>
public static string GetPictureUrl(Picture picture, int targetSize,
bool showDefaultPicture)
{
string url = string.Empty;
if (picture == null || picture.PictureBinary.Length == 0)
{
if (showDefaultPicture)
{
url = GetDefaultPictureUrl(targetSize);
}
return(url);
}
string[] parts = picture.Extension.Split('/');
string lastPart = parts[parts.Length - 1];
switch (lastPart)
{
case "pjpeg":
lastPart = "jpg";
break;
case "x-png":
lastPart = "png";
break;
case "x-icon":
lastPart = "ico";
break;
}
string localFilename = string.Empty;
if (picture.IsNew)
{
string filter = string.Format("{0}*.*", picture.PictureId.ToString("0000000"));
string[] currentFiles = System.IO.Directory.GetFiles(PictureManager.LocalThumbImagePath, filter);
foreach (string currentFileName in currentFiles)
{
File.Delete(Path.Combine(PictureManager.LocalThumbImagePath, currentFileName));
}
picture = PictureManager.UpdatePicture(picture.PictureId, picture.PictureBinary, picture.Extension, false);
}
lock (s_lock)
{
if (targetSize == 0)
{
localFilename = string.Format("{0}.{1}", picture.PictureId.ToString("0000000"), lastPart);
if (!File.Exists(Path.Combine(PictureManager.LocalThumbImagePath, localFilename)))
{
if (!System.IO.Directory.Exists(PictureManager.LocalThumbImagePath))
{
System.IO.Directory.CreateDirectory(PictureManager.LocalThumbImagePath);
}
File.WriteAllBytes(Path.Combine(PictureManager.LocalThumbImagePath, localFilename), picture.PictureBinary);
}
}
else
{
localFilename = string.Format("{0}_{1}.{2}", picture.PictureId.ToString("0000000"), targetSize, lastPart);
if (!File.Exists(Path.Combine(PictureManager.LocalThumbImagePath, localFilename)))
{
if (!System.IO.Directory.Exists(PictureManager.LocalThumbImagePath))
{
System.IO.Directory.CreateDirectory(PictureManager.LocalThumbImagePath);
}
using (MemoryStream stream = new MemoryStream(picture.PictureBinary))
{
var b = new Bitmap(stream);
var newSize = CalculateDimensions(b.Size, targetSize);
if (newSize.Width < 1)
{
newSize.Width = 1;
}
if (newSize.Height < 1)
{
newSize.Height = 1;
}
var newBitMap = new Bitmap(newSize.Width, newSize.Height);
var g = Graphics.FromImage(newBitMap);
g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality;
g.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.HighQualityBicubic;
g.CompositingQuality = System.Drawing.Drawing2D.CompositingQuality.HighQuality;
g.PixelOffsetMode = System.Drawing.Drawing2D.PixelOffsetMode.HighQuality;
g.DrawImage(b, 0, 0, newSize.Width, newSize.Height);
var ep = new EncoderParameters();
ep.Param[0] = new EncoderParameter(System.Drawing.Imaging.Encoder.Quality, PictureManager.ImageQuality);
newBitMap.Save(Path.Combine(PictureManager.LocalThumbImagePath, localFilename), getImageCodeInfo("image/jpeg"), ep);
newBitMap.Dispose();
b.Dispose();
}
}
}
}
url = CommonHelper.GetStoreLocation() + "images/thumbs/" + localFilename;
return(url);
}
/// <summary>
/// Get a picture URL
/// </summary>
/// <param name="picture">Picture instance</param>
/// <param name="targetSize">The target picture size (longest side)</param>
/// <returns>Picture URL</returns>
public static string GetPictureUrl(Picture picture, int targetSize)
{
return(GetPictureUrl(picture, targetSize, true));
}
/// <summary>
/// Get a picture URL
/// </summary>
/// <param name="picture">Picture instance</param>
/// <returns>Picture URL</returns>
public static string GetPictureUrl(Picture picture)
{
return(GetPictureUrl(picture, 0));
}
/// <summary>
/// Get a picture URL
/// </summary>
/// <param name="imageId">Picture identifier</param>
/// <returns>Picture URL</returns>
public static string GetPictureUrl(int imageId)
{
Picture picture = GetPictureById(imageId);
return(GetPictureUrl(picture));
}
