public static async Task <Image> LoadPhoto(Generator generator, string id, PhotoType type, string photoLayoutName)
{
// Load the photo from storage. If it doesn't exist then load the placeholder
// image. Unlike pictures, photos are not cacheable because it's unlikely
// that we'd want to reuse many photos, and even if we did it's unlikely that
// the report designer would know which ones were likely to be reused.
byte[] bits = null;
try
{
bits = await generator.PhotoService.GetPhotoAsync(id, PhotoType.Full);
}
catch (Exception ex)
{
generator.RecordMissingPhoto(id);
ex.Data.Add("PhotoTableLayout", photoLayoutName);
ex.Data.Add("Photo", id);
generator.Logger.LogException(ex);
}
// If the photo wasn't found then load the placeholder from the assembly
if (bits == null)
{
Stream missing = Assembly.GetExecutingAssembly().GetManifestResourceStream("Demon.Report.photo-missing.jpg");
bits = new byte[missing.Length];
await missing.ReadAsync(bits, 0, bits.Length);
// We could cache and reuse the placeholder, but it's a bit tricky to
// do that here inside of the image loading routine. Probably best just
// to pay the extra performance price than to complicate the procedure.
// The main performance cost is the fetching of the data from storage,
// but we don't do that here because we fetch from the assembly. And
// the second performance cost is the increased size in the PDF, but
// if the image isn't found then the PDF will have to be regenerated
// anyway.
}
return(new Image(bits));
}
