/// <summary>
/// formate of thumbnail.
/// /thumbnail/100/200/guid
/// /thumbnail/100/200/imagefolder/image/name.jpg.
/// </summary>
/// <param name="SiteDb"></param>
/// <param name="RelativeUrl"></param>
/// <returns></returns>
public static Thumbnail GetThumbnail(SiteDb SiteDb, string RelativeUrl)
{
ThumbnailRequest request = ParseThumbnailRequest(RelativeUrl);
Guid imageid = request.ImageId;
if (request.ImageId == default(Guid))
{
if (string.IsNullOrEmpty(request.Path))
{
//TODO should implement the not image icon
}
else
{
string url = request.Path;
var index = url.IndexOf("?");
if (index > -1)
{
url = url.Substring(0, index);
}
Image koobooimage = SiteDb.Images.GetByUrl(url);
if (koobooimage != null)
{
imageid = koobooimage.Id;
}
}
}
return(SiteDb.Thumbnails.GetThumbnail(imageid, request.Width, request.Height));
}
public Thumbnail GetThumbnail(Guid imageid, int width, int height)
{
Guid thumbnailid = Kooboo.Data.IDGenerator.GetImageThumbNailId(imageid, height, width);
Thumbnail thumbnail = Get(thumbnailid);
if (thumbnail == null)
{
thumbnail = new Thumbnail();
//Image koobooimage = SiteDb.ImagePool.Get(imageid);
Kooboo.Sites.Models.Image koobooimage = SiteDb.Images.Get(imageid);
if (koobooimage == null)
{
return(null);
}
// calculate the width or height.
if (height <= 0 && koobooimage.Width > 0)
{
height = (int)width * koobooimage.Height / koobooimage.Width;
}
if (width <= 0 && koobooimage.Height > 0)
{
width = (int)height * koobooimage.Width / koobooimage.Height;
}
if (height <= 0)
{
height = 90;
}
if (width <= 0)
{
width = 90;
}
thumbnail.Width = width;
thumbnail.Height = height;
thumbnail.ImageId = imageid;
thumbnail.Extension = koobooimage.Extension;
thumbnail.Id = thumbnailid;
thumbnail.ContentType = "image";
string imagetype = thumbnail.Extension;
if (!string.IsNullOrEmpty(imagetype) && imagetype.StartsWith("."))
{
imagetype = imagetype.Substring(1);
}
thumbnail.ContentType = thumbnail.ContentType + "/" + imagetype;
//"image/svg+xml"
if (!string.IsNullOrEmpty(imagetype) && imagetype.ToLower() == "svg")
{
thumbnail.ContentType = thumbnail.ContentType + "+xml";
thumbnail.ContentBytes = koobooimage.ContentBytes;
}
else
{
if (koobooimage == null || koobooimage.ContentBytes == null)
{
return(null);
}
var contentBytes = Kooboo.Lib.Compatible.CompatibleManager.Instance.Framework.GetThumbnailImage(koobooimage.ContentBytes, width, height);
if (contentBytes == null)
{
return(null);
}
thumbnail.ContentBytes = contentBytes;
}
AddOrUpdate(thumbnail);
}
return(thumbnail);
}