public void Select(SemWeb.StatementSink sink)
{
byte [] data = null;
ImageDirectory props = Root.ReadDirectory(Tag.ImageProps);
ImageDirectory camera = props.ReadDirectory(Tag.CameraObject);
data = props.ReadEntry(Tag.TimeStamp);
if (data != null)
{
MetadataStore.AddLiteral(sink, "xmp:CreateDate", new CaptureTime(data, little).ToString());
}
data = props.ReadEntry(Tag.ImageSpec);
if (data != null)
{
ImageSpec spec = new ImageSpec(data, little);
MetadataStore.AddLiteral(sink, "tiff:Orientation", ((int)spec.Orientation).ToString());
MetadataStore.AddLiteral(sink, "tiff:ImageWidth", spec.ImageWidth.ToString());
MetadataStore.AddLiteral(sink, "tiff:ImageLength", spec.ImageHeight.ToString());
string comp = spec.ComponentBitDepth.ToString();
if (spec.IsColor)
{
MetadataStore.Add(sink, "tiff:BitsPerSample", "rdf:Seq", new string [] { comp, comp, comp });
}
else
{
MetadataStore.Add(sink, "tiff:BitsPerSample", "rdf:Seq", new string [] { comp });
}
if (!spec.HasSquarePixels)
{
MetadataStore.AddLiteral(sink, "tiff:XResolution",
(1000000 * spec.PixelAspectRatio).ToString());
MetadataStore.AddLiteral(sink, "tiff:YResolution",
(1000000 * (1 / spec.PixelAspectRatio)).ToString());
}
}
data = camera.ReadEntry(Tag.CanonRawMakeModel);
if (data != null)
{
string make_model = System.Text.Encoding.ASCII.GetString(data, 0, data.Length - 1);
string [] vals = make_model.Split(new char [] { '\0' });
MetadataStore.AddLiteral(sink, "tiff:Make", vals [0]);
MetadataStore.AddLiteral(sink, "tiff:Model", vals [1]);
}
/*
* // FIXME this doesn't appear to be ascii.
* data = camera.ReadEntry (Tag.OwnerName);
* if (data != null) {
* string name = System.Text.Encoding.ASCII.GetString (data, 0, data.Length - 1);
* MetadataStore.AddLiteral (sink, "dc:creator", "rdf:Seq", new SemWeb.Literal (name));
* }
*/
}
public ImageDirectory ReadDirectory(Tag tag)
{
foreach (Entry e in entry_list)
{
if (e.Tag == tag)
{
uint subdir_start = this.start + e.Offset;
ImageDirectory subdir = new ImageDirectory(stream, subdir_start, subdir_start + e.Size, little);
return(subdir);
}
}
return(null);
}
public override PixbufOrientation GetOrientation()
{
PixbufOrientation orientation = PixbufOrientation.TopLeft;
ImageDirectory props = Root.ReadDirectory(Tag.ImageProps);
byte [] data = props.ReadEntry(Tag.ImageSpec);
if (data != null)
{
orientation = new ImageSpec(data, little).Orientation;
}
//else
//System.Console.WriteLine ("NO ORIENTATION");
return(orientation);
}
public void Dump()
{
Root.Dump();
ImageDirectory props = Root.ReadDirectory(Tag.ImageProps);
props.Dump();
/*
* string path = "out2.jpg";
* System.IO.File.Delete (path);
*
* System.IO.Stream output = System.IO.File.Open (path, System.IO.FileMode.OpenOrCreate);
* byte [] data = GetEmbeddedThumbnail ();
* System.Console.WriteLine ("data length {0}", data != null ? data.Length : -1);
* output.Write (data, 0, data.Length);
* output.Close ();
*/
}
public ImageDirectory ReadDirectory (Tag tag)
{
foreach (Entry e in entry_list) {
if (e.Tag == tag) {
uint subdir_start = this.start + e.Offset;
ImageDirectory subdir = new ImageDirectory (stream, subdir_start, subdir_start + e.Size, little);
return subdir;
}
}
return null;
}
