public static Gdk.Pixbuf ToPixbuf(ArtworkFormat format, byte[] data)
{
Gdk.Pixbuf pixbuf = new Gdk.Pixbuf (Gdk.Colorspace.Rgb, false, 8, format.Width, format.Height);
Gdk.Pixbuf rotated = null;
switch (format.PixelFormat) {
case PixelFormat.Rgb565:
UnpackRgb565 (data, pixbuf, false);
break;
case PixelFormat.Rgb565BE:
UnpackRgb565 (data, pixbuf, true);
break;
case PixelFormat.IYUV:
UnpackIYUV (data, pixbuf);
break;
default:
throw new ApplicationException ("Unknown pixel format: " + format.PixelFormat);
}
if (format.Rotation > 0) {
rotated = Rotate (pixbuf, format.Rotation);
pixbuf.Dispose ();
pixbuf = rotated;
}
return pixbuf;
}
public static Gdk.Pixbuf ToPixbuf(ArtworkFormat format, byte[] data)
{
Gdk.Pixbuf pixbuf = new Gdk.Pixbuf(Gdk.Colorspace.Rgb, false, 8, format.Width, format.Height);
Gdk.Pixbuf rotated = null;
switch (format.PixelFormat)
{
case PixelFormat.Rgb565:
UnpackRgb565(data, pixbuf, false);
break;
case PixelFormat.Rgb565BE:
UnpackRgb565(data, pixbuf, true);
break;
case PixelFormat.IYUV:
UnpackIYUV(data, pixbuf);
break;
default:
throw new ApplicationException("Unknown pixel format: " + format.PixelFormat);
}
if (format.Rotation > 0)
{
rotated = Rotate(pixbuf, format.Rotation);
pixbuf.Dispose();
pixbuf = rotated;
}
return(pixbuf);
}
public static byte[] ToBytes(ArtworkFormat format, Gdk.Pixbuf pixbuf, out short horizontalPadding,
out short verticalPadding)
{
horizontalPadding = 0;
verticalPadding = 0;
bool disposePixbuf = false;
if (format.Rotation > 0)
{
pixbuf = Rotate(pixbuf, format.Rotation);
disposePixbuf = true;
}
if (pixbuf.Height != format.Height || pixbuf.Width != format.Width)
{
int padX, padY;
Gdk.Pixbuf scaled = Scale(pixbuf, format.Width, format.Height, out padX, out padY);
horizontalPadding = (short)padX;
verticalPadding = (short)padY;
if (disposePixbuf)
{
pixbuf.Dispose();
}
pixbuf = scaled;
disposePixbuf = true;
}
byte[] data = null;
switch (format.PixelFormat)
{
case PixelFormat.Rgb565:
data = PackRgb565(pixbuf, false);
break;
case PixelFormat.Rgb565BE:
data = PackRgb565(pixbuf, true);
break;
case PixelFormat.IYUV:
data = PackIYUV(pixbuf);
break;
default:
throw new ApplicationException("Unknown pixel format: " + format.PixelFormat);
}
if (disposePixbuf)
{
pixbuf.Dispose();
}
return(data);
}
public void RemoveCoverArt(ArtworkFormat format)
{
Thumbnail thumbnail = GetThumbnail(format, false);
if (thumbnail != null)
{
coverPhoto.RemoveThumbnail(thumbnail);
}
}
public void SetCoverArt(ArtworkFormat format, byte[] data)
{
Thumbnail thumbnail = GetThumbnail(format, true);
thumbnail.SetData(data);
record.HasArtwork = true;
record.ArtworkCount = 1; // this is actually for artwork in mp3 tags, but it seems to be needed anyway
}
internal string GetThumbPath(ArtworkFormat format)
{
if (isPhoto)
{
return(String.Format("{0}{2}Photos{2}Thumbs{2}F{1}_1.ithmb", device.VolumeInfo.MountPoint, format.CorrelationId, Path.DirectorySeparatorChar));
}
else
{
return(String.Format("{0}{2}Artwork{2}F{1}_1.ithmb", device.ControlPath, format.CorrelationId, Path.DirectorySeparatorChar));
}
}
public Thumbnail LookupThumbnail(ArtworkFormat format)
{
foreach (Thumbnail thumbnail in thumbnails)
{
if (thumbnail.Format.Equals(format))
{
return(thumbnail);
}
}
return(null);
}
public byte[] GetCoverArt(ArtworkFormat format)
{
Thumbnail thumbnail = GetThumbnail(format, false);
if (thumbnail == null)
{
return(null);
}
else
{
return(thumbnail.GetData());
}
}
public override bool Equals(object right)
{
ArtworkFormat a = right as ArtworkFormat;
return
(a != null &&
a.Usage == this.Usage &&
a.Width == this.Width &&
a.Height == this.Height &&
a.CorrelationId == this.CorrelationId &&
a.Size == this.Size &&
a.PixelFormat == this.PixelFormat &&
a.Rotation == this.Rotation);
}
public static byte[] ToBytes(ArtworkFormat format, Gdk.Pixbuf pixbuf, out short horizontalPadding,
out short verticalPadding)
{
horizontalPadding = 0;
verticalPadding = 0;
bool disposePixbuf = false;
if (format.Rotation > 0) {
pixbuf = Rotate (pixbuf, format.Rotation);
disposePixbuf = true;
}
if (pixbuf.Height != format.Height || pixbuf.Width != format.Width) {
int padX, padY;
Gdk.Pixbuf scaled = Scale (pixbuf, format.Width, format.Height, out padX, out padY);
horizontalPadding = (short) padX;
verticalPadding = (short) padY;
if (disposePixbuf) {
pixbuf.Dispose ();
}
pixbuf = scaled;
disposePixbuf = true;
}
byte[] data = null;
switch (format.PixelFormat) {
case PixelFormat.Rgb565:
data = PackRgb565 (pixbuf, false);
break;
case PixelFormat.Rgb565BE:
data = PackRgb565 (pixbuf, true);
break;
case PixelFormat.IYUV:
data = PackIYUV (pixbuf);
break;
default:
throw new ApplicationException ("Unknown pixel format: " + format.PixelFormat);
}
if (disposePixbuf) {
pixbuf.Dispose ();
}
return data;
}
private void FindThumbnails(IList <ImageItemRecord> items, List <ImageNameRecord> existingNames,
List <ImageNameRecord> newNames, List <ImageNameRecord> removedNames,
ArtworkFormat format)
{
foreach (ImageItemRecord item in items)
{
if (existingNames != null)
{
foreach (ImageNameRecord name in item.Names)
{
if (name.CorrelationId == format.CorrelationId)
{
existingNames.Add(name);
}
}
}
if (newNames != null)
{
foreach (ImageNameRecord name in item.NewNames)
{
if (name.CorrelationId == format.CorrelationId)
{
newNames.Add(name);
}
}
}
if (removedNames != null)
{
foreach (ImageNameRecord name in item.RemovedNames)
{
if (name.CorrelationId == format.CorrelationId)
{
removedNames.Add(name);
}
}
}
}
}
private Thumbnail GetThumbnail(ArtworkFormat format, bool createNew)
{
FindCoverPhoto();
if (coverPhoto == null)
{
if (!createNew)
{
return(null);
}
if (db.ArtworkDatabase != null)
{
coverPhoto = db.ArtworkDatabase.CreatePhoto();
coverPhoto.Record.TrackId = record.DatabaseId;
record.RightSideArtworkId = coverPhoto.Id;
}
}
if (coverPhoto == null)
{
return(null);
}
Thumbnail thumbnail = coverPhoto.LookupThumbnail(format);
if (thumbnail == null && createNew)
{
thumbnail = coverPhoto.CreateThumbnail();
thumbnail.Format = format;
thumbnail.Width = format.Width;
thumbnail.Height = format.Height;
}
return(thumbnail);
}
public byte[] GetCoverArt(ArtworkFormat format)
{
Thumbnail thumbnail = GetThumbnail (format, false);
if (thumbnail == null)
return null;
else
return thumbnail.GetData ();
}
private void SaveThumbnails(List <ImageNameRecord> existingNames, List <ImageNameRecord> newNames,
List <ImageNameRecord> removedNames, ArtworkFormat format)
{
string thumbPath = GetThumbPath(format);
int fileLength = 0;
if (existingNames.Count > 0)
{
ImageNameRecord last = Peek(existingNames);
fileLength = last.ThumbnailOffset + last.ImageSize;
}
string thumbDir = Path.GetDirectoryName(thumbPath);
if (!Directory.Exists(thumbDir))
{
Directory.CreateDirectory(thumbDir);
}
using (FileStream stream = File.Open(thumbPath, FileMode.OpenOrCreate)) {
// process the removals, filling the gaps with new or existing records when possible
foreach (ImageNameRecord removal in removedNames)
{
// try to replace it with a new one
ImageNameRecord replacement = Pop(newNames);
if (replacement == null)
{
// no new ones, try to replace it with an existing one from the end of the file
ImageNameRecord record = Peek(existingNames);
if (record != null && record.ThumbnailOffset > removal.ThumbnailOffset)
{
replacement = record;
// it was the last one in the file, so we can reduce the file length
fileLength -= replacement.ImageSize;
}
}
if (replacement != null)
{
// write the replacement chunk into the old one's spot
byte[] data = GetNameData(replacement, stream);
replacement.ThumbnailOffset = removal.ThumbnailOffset;
replacement.SetData(stream, data);
replacement.Dirty = false;
existingNames.Sort(new ImageNameRecordSorter());
}
else if (fileLength > removal.ThumbnailOffset)
{
// we can't fill the gap, but it's ok to reduce the file length
fileLength = removal.ThumbnailOffset;
}
}
// process the additions by appending them to the file
foreach (ImageNameRecord addition in newNames)
{
byte[] data = GetNameData(addition, stream);
addition.ThumbnailOffset = fileLength;
addition.SetData(stream, data);
addition.Dirty = false;
fileLength += addition.ImageSize;
}
// lastly, flush any dirty existing records
foreach (ImageNameRecord existing in existingNames)
{
if (existing.Dirty)
{
byte[] data = GetNameData(existing, stream);
existing.SetData(stream, data);
}
}
stream.SetLength(fileLength);
}
}
public static byte[] ToBytes(ArtworkFormat format, Gdk.Pixbuf pixbuf)
{
short a, b;
return ToBytes (format, pixbuf, out a, out b);
}
public Thumbnail LookupThumbnail(ArtworkFormat format)
{
foreach (Thumbnail thumbnail in thumbnails) {
if (thumbnail.Format.Equals (format)) {
return thumbnail;
}
}
return null;
}
private Thumbnail GetThumbnail(ArtworkFormat format, bool createNew)
{
FindCoverPhoto ();
if (coverPhoto == null) {
if (!createNew)
return null;
if (db.ArtworkDatabase != null) {
coverPhoto = db.ArtworkDatabase.CreatePhoto ();
coverPhoto.Record.TrackId = record.DatabaseId;
record.RightSideArtworkId = coverPhoto.Id;
}
}
if (coverPhoto == null) {
return null;
}
Thumbnail thumbnail = coverPhoto.LookupThumbnail (format);
if (thumbnail == null && createNew) {
thumbnail = coverPhoto.CreateThumbnail ();
thumbnail.Format = format;
thumbnail.Width = format.Width;
thumbnail.Height = format.Height;
}
return thumbnail;
}
public void SetCoverArt(ArtworkFormat format, byte[] data)
{
Thumbnail thumbnail = GetThumbnail (format, true);
thumbnail.SetData (data);
record.HasArtwork = true;
record.ArtworkCount = 1; // this is actually for artwork in mp3 tags, but it seems to be needed anyway
}
public void RemoveCoverArt(ArtworkFormat format)
{
Thumbnail thumbnail = GetThumbnail (format, false);
if (thumbnail != null) {
coverPhoto.RemoveThumbnail (thumbnail);
}
}
public bool HasCoverArt(ArtworkFormat format)
{
return GetThumbnail (format, false) != null;
}
public static byte[] ToBytes(ArtworkFormat format, Gdk.Pixbuf pixbuf)
{
short a, b;
return(ToBytes(format, pixbuf, out a, out b));
}
public bool HasCoverArt(ArtworkFormat format)
{
return(GetThumbnail(format, false) != null);
}
