private void BuildProperties_PHOTO(
vCardPropertyCollection properties,
vCard card)
{
foreach (vCardPhoto photo in card.Photos)
{
if (photo.Url == null)
{
// This photo does not have a URL associated
// with it. Therefore a property can be
// generated only if the image data is loaded.
// Otherwise there is not enough information.
if (photo.IsLoaded)
{
var property = new vCardProperty ("PHOTO", photo.GetBytes());
property.Subproperties.Add ("TYPE", "JPEG");
properties.Add (property);
}
}
else
{
// This photo has a URL associated with it. The
// PHOTO property can either be linked as an image
// or embedded, if desired.
bool doEmbedded =
photo.Url.IsFile ? this.embedLocalImages : this.embedInternetImages;
if (doEmbedded)
{
// According to the settings of the card writer,
// this linked image should be embedded into the
// vCard data. Attempt to fetch the data.
try
{
photo.Fetch();
}
catch
{
// An error was encountered. The image can
// still be written as a link, however.
doEmbedded = false;
}
}
// At this point, doEmbedded is true only if (a) the
// writer was configured to embed the image, and (b)
// the image was successfully downloaded.
if (doEmbedded)
{
properties.Add(
new vCardProperty("PHOTO", photo.GetBytes()));
}
else
{
vCardProperty uriPhotoProperty =
new vCardProperty("PHOTO");
// Set the VALUE property to indicate that
// the data for the photo is a URI.
uriPhotoProperty.Subproperties.Add("VALUE", "URI");
uriPhotoProperty.Value = photo.Url.ToString();
properties.Add(uriPhotoProperty);
}
}
}
}