/// <summary>
/// Attempts to extract the media properties of the main
/// photo.
/// </summary>
/// <returns>
/// A <see cref="Properties" /> object with a best effort guess
/// at the right values. When no guess at all can be made,
/// <see langword="null" /> is returned.
/// </returns>
private Properties ExtractProperties()
{
int width = 0, height = 0;
IFDTag tag = GetTag(TagTypes.TiffIFD) as IFDTag;
IFDStructure structure = tag.Structure;
width = (int)(structure.GetLongValue(0, 0x07) ?? 0);
height = (int)(structure.GetLongValue(0, 0x06) ?? 0);
var vendor = ImageTag.Make;
if (vendor == "LEICA")
{
vendor = "Leica";
}
var desc = String.Format("{0} RAW File", vendor);
if (width > 0 && height > 0)
{
return(new Properties(TimeSpan.Zero, new Codec(width, height, desc)));
}
return(null);
}
protected virtual Properties ExtractProperties()
{
int width = 0, height = 0;
IFDTag tag = GetTag(TagTypes.TiffIFD)
as IFDTag;
IFDStructure structure = tag.Structure;
width = (int)(structure.GetLongValue(0, (ushort)IFDEntryTag.ImageWidth) ?? 0);
height = (int)(structure.GetLongValue(0, (ushort)IFDEntryTag.ImageLength) ?? 0);
if (width > 0 && height > 0)
{
return(new Properties(TimeSpan.Zero, CreateCodec(width, height)));
}
return(null);
}