public static bool BuildPreview(string temporaryDirectory, string sourceFile, string mimetype, int width, int height, out string previewMimetype, out string previewPath, out string error)
{
IPreview preview = null;
bool success = false;
previewMimetype = null;
previewPath = null;
error = null;
if (mimetype.StartsWith("image/", System.StringComparison.InvariantCulture) ||
mimetype.StartsWith("video/", System.StringComparison.InvariantCulture) ||
mimetype.StartsWith("audio/", System.StringComparison.InvariantCulture))
{
preview = new ImageVideoPreview(temporaryDirectory);
}
else if (mimetype == "application/pdf")
{
preview = new PdfPreview(temporaryDirectory);
}
else if (mimetype == "text/uri-list")
{
preview = new UrlPreview(temporaryDirectory);
}
//else if (mimetype == "application/x-laclasse-pad")
// preview = new HtmlPreview(temporaryDirectory);
if (preview != null)
{
previewPath = preview.Process(sourceFile, mimetype, width, height, out PreviewFormat format, out error);
if (previewPath != null)
{
if (format == PreviewFormat.PNG)
{
previewMimetype = "image/png";
}
else
{
previewMimetype = "image/jpeg";
}
success = true;
}
else
{
success = false;
}
}
return(success);
}
/// <summary>
/// Get the URLs from the frontend.
/// </summary>
/// <param name="id">
/// The id.
/// </param>
/// <returns>
/// The <see cref="IEnumerable"/>.
/// </returns>
public ActionResult GetUrls(int id)
{
var urls = new List <string>();
if (id > 0)
{
urls.Add(this.UmbracoContext.UrlProvider.GetUrl(id));
urls.AddRange(this.UmbracoContext.UrlProvider.GetOtherUrls(id));
}
var urlPreview = new UrlPreview
{
IsPreview = this.UmbracoContext.InPreviewMode,
Urls = urls
};
return(this.Json(urlPreview, JsonRequestBehavior.AllowGet));
}
private async Task Preview(string url)
{
PreviewResult preview;
try
{
var previewer = new UrlPreview(url);
preview = await previewer.GetPreviewAsync();
}
catch (UriFormatException)
{
InvalidUrl();
return;
}
var serialized = JsonConvert.SerializeObject(preview, Formatting.Indented);
Console.WriteLine(serialized);
}
