//
// GenerateImage
//
// Will generate the bitmap representing this text item
//
public Bitmap GenerateImage(string fileName, SlideShowImageSize imageSize, string templateDirectory)
{
int width = SlideShow.slideShowImageWidths[(int)imageSize];
int height = SlideShow.slideShowImageHeights[(int)imageSize];
CompiledTextFeed compiledTextFeed = CompiledTextFeed.GetCompiledTextFeed(compiledTextFeedHash, compiledTextFeedGuid);
XmlDocument xmlDoc = new XmlDocument();
xmlDoc.AppendChild(xmlDoc.CreateElement("textfeeditem"));
ImageUtil.AddXmlElement(xmlDoc.DocumentElement, "channeltitle", compiledTextFeed.Title);
if (!String.IsNullOrEmpty(compiledTextFeed.LogoImageUrl))
{
ImageUtil.AddXmlElement(xmlDoc.DocumentElement, "logoimg", compiledTextFeed.LogoImageUrl);
}
if (!String.IsNullOrEmpty(this.title))
{
ImageUtil.AddXmlElement(xmlDoc.DocumentElement, "itemtitle", this.title);
}
if (!String.IsNullOrEmpty(this.description))
{
ImageUtil.AddXmlElement(xmlDoc.DocumentElement, "itemdesc", this.description);
}
if (compiledTextFeed.RenderAd)
{
ImageUtil.AddXmlElement(xmlDoc.DocumentElement, "adurl", Config.GetSetting("AdUrl"));
}
ImageUtil.AddXmlElement(xmlDoc.DocumentElement, "width", width.ToString());
ImageUtil.AddXmlElement(xmlDoc.DocumentElement, "height", height.ToString());
Bitmap bitmap = WebPageBitmap.LoadXsl(templateDirectory + "textfeeditem.xsl", xmlDoc, width, height);
ImageUtil.SaveJpeg(fileName, bitmap, 100);
return(bitmap);
}
//
// Load
//
// Loads the object from the database, and if it doesn't exist, creates it
static public CompiledTextFeed Load(string textFeedUrl, string logoImageUrl, string title, bool renderAd, int compiledTextFeedHash, Guid compiledTextFeedGuid)
{
CompiledTextFeed compiledTextFeed = new CompiledTextFeed();
compiledTextFeed.textFeedUrl = textFeedUrl;
if (textFeedUrl != null)
{
compiledTextFeed.compiledTextFeedHash = ((string)(textFeedUrl.ToLower() + renderAd.ToString())).GetHashCode();
compiledTextFeed.compiledTextFeedGuid = Guid.NewGuid();
}
else
{
compiledTextFeed.compiledTextFeedHash = compiledTextFeedHash;
compiledTextFeed.compiledTextFeedGuid = compiledTextFeedGuid;
}
compiledTextFeed.compiledDate = DateTime.Now;
compiledTextFeed.imageGeneratedDate = DateTime.Now;
using (PhotoMixQuery query = new PhotoMixQuery("SelectCompiledTextFeed"))
{
query.Parameters.Add("@CompiledTextFeedHash", SqlDbType.Int).Value = compiledTextFeed.compiledTextFeedHash;
query.Parameters.Add("@CompiledTextFeedGuid", SqlDbType.UniqueIdentifier).Value = compiledTextFeed.compiledTextFeedGuid;
if (textFeedUrl != null)
{
query.Parameters.Add("@TextFeedUrl", SqlDbType.VarChar).Value = textFeedUrl;
query.Parameters.Add("@LogoImageUrl", SqlDbType.VarChar).Value = String.IsNullOrEmpty(logoImageUrl) ? (Object)DBNull.Value : (Object)logoImageUrl;
if (renderAd)
{
query.Parameters.Add("@Data", SqlDbType.Text).Value = "<RAD>true</RAD>";
}
query.Parameters.Add("@Title", SqlDbType.VarChar).Value = String.IsNullOrEmpty(title) ? (Object)DBNull.Value : (Object)title;
query.Parameters.Add("@CompiledDate", SqlDbType.DateTime).Value = compiledTextFeed.compiledDate;
}
else
{
query.Parameters.Add("@ImageGeneratedDate", SqlDbType.DateTime).Value = DateTime.Now;
}
if (query.Reader.Read())
{
compiledTextFeed.logoImageUrl = query.Reader.IsDBNull(0) ? null : query.Reader.GetString(0);
compiledTextFeed.title = query.Reader.IsDBNull(1) ? null : query.Reader.GetString(1);
if (!query.Reader.IsDBNull(2))
{
XmlDocument xmlDoc = new XmlDocument();
xmlDoc.LoadXml(query.Reader.GetString(2));
try { compiledTextFeed.renderAd = FormUtil.GetBoolean(xmlDoc.SelectSingleNode("RAD").InnerText); }
catch { }
}
compiledTextFeed.compiledDate = query.Reader.IsDBNull(3) ? DateTime.MinValue : query.Reader.GetDateTime(3);
compiledTextFeed.imageGeneratedDate = query.Reader.IsDBNull(4) ? DateTime.MinValue : query.Reader.GetDateTime(4);
compiledTextFeed.compiledTextFeedGuid = query.Reader.GetGuid(5);
}
}
return(compiledTextFeed);
}
public override SlideShowItem CreateSlideShowItem(Hashtable compileCache, DateTime dateContext, bool bypassCaches)
{
RssChannel rssFeedChannel = (RssChannel)this.Channel;
CompiledTextFeed compiledTextFeed;
if (compileCache[rssFeedChannel.ChannelGuid] != null)
{
compiledTextFeed = (CompiledTextFeed)compileCache[rssFeedChannel.ChannelGuid];
}
else
{
compiledTextFeed = CompiledTextFeed.LoadForCompile(rssFeedChannel.RssFeedUrl, rssFeedChannel.ChannelImageUrl, rssFeedChannel.ChannelTitle, rssFeedChannel.RenderAd);
compileCache[rssFeedChannel.ChannelGuid] = compiledTextFeed;
}
CompiledTextFeedItem compiledTextFeedItem;
if (compileCache[rssFeedChannel.ChannelGuid + this.title + this.description] != null)
{
compiledTextFeedItem = (CompiledTextFeedItem)compileCache[rssFeedChannel.ChannelGuid + this.title + this.description];
}
else
{
compiledTextFeedItem = CompiledTextFeedItem.LoadForCompile(compiledTextFeed.CompiledTextFeedHash, compiledTextFeed.CompiledTextFeedGuid, this.title, this.description);
compileCache[rssFeedChannel.ChannelGuid + this.title + this.description] = compiledTextFeedItem;
}
string url = Config.GetSetting("CompiledImageBaseUrl") + "textfeeditem.ashx?" +
"ch=" + compiledTextFeed.CompiledTextFeedHash +
"&cid=" + compiledTextFeed.CompiledTextFeedGuid +
"&tih=" + compiledTextFeedItem.CompiledTextFeedItemHash +
(bypassCaches ? "&bc=1" : "") +
"&<SIZE>";
return(new SlideShowItem(this.ExpDate, this.PubDate, this.Channel.Name, url, true));
}
public static CompiledTextFeed GetCompiledTextFeed(int compiledTextFeedHash, Guid compiledTextFeedGuid)
{
CompiledTextFeed compiledTextFeed = CompiledTextFeed.LoadForImage(compiledTextFeedHash, compiledTextFeedGuid);
return(compiledTextFeed);
}
