/// <summary>
/// Helper function for loading a bitmap in a task
/// </summary>
/// <param name="filePath"></param>
/// <param name="textureRef"></param>
/// <param name="texture"></param>
/// <returns></returns>
private Size _LoadAndEnqueueBitmap(string filePath, CTextureRef textureRef, TTextureType texture)
{
Bitmap bmp = CHelper.LoadBitmap(filePath);
if (bmp == null)
{
RemoveTexture(ref textureRef); // Done asynchonously in the function
lock (_Textures)
{
_TextureCache.Remove(filePath);
lock (_BitmapsLoading)
{
_BitmapsLoading.Remove(filePath);
}
}
return(new Size(-1, -1));
}
Size origSize = bmp.GetSize();
textureRef.OrigSize = origSize;
// Update cache, use the same lock as in add/get cache methods
lock (_Textures)
{
STextureCacheEntry cacheEntry;
if (_TextureCache.TryGetValue(filePath, out cacheEntry))
{
cacheEntry.OrigSize = origSize;
_TextureCache[filePath] = cacheEntry;
}
lock (_BitmapsLoading)
{
_BitmapsLoading.Remove(filePath);
}
}
_EnqueueTextureAddOrUpdate(texture, bmp, EQueueAction.Add, false);
return(origSize);
}
/// <summary>
/// Adds a texture and stores it in the VRam
/// </summary>
/// <param name="texturePath">The texture's filepath</param>
/// <returns>A STexture object containing the added texture</returns>
public CTextureRef AddTexture(string texturePath)
{
_EnsureMainThread();
CTextureRef textureRef;
Task <Size> loader;
lock (_TextureCache)
{
textureRef = _GetFromCache(texturePath, out loader);
}
if (textureRef != null)
{
if (loader != null)
{
textureRef.OrigSize = loader.Result;
}
Debug.Assert(textureRef.OrigSize.Width > 0);
return(textureRef);
}
Bitmap bmp = CHelper.LoadBitmap(texturePath);
if (bmp == null)
{
return(null);
}
try
{
textureRef = AddTexture(bmp, texturePath);
}
finally
{
bmp.Dispose();
}
return(textureRef);
}
public bool GetCover(string coverPath, ref CTextureRef tex, int maxSize)
{
if (_Connection == null)
{
return(false);
}
if (!File.Exists(coverPath))
{
CLog.LogError("Can't find File: " + coverPath);
return(false);
}
lock (_Mutex)
{
//Double check here because we may have just closed our connection
if (_Connection == null)
{
return(false);
}
using (var command = new SQLiteCommand(_Connection))
{
command.CommandText = "SELECT id, width, height FROM Cover WHERE [Path] = @path";
command.Parameters.Add("@path", DbType.String).Value = coverPath;
SQLiteDataReader reader = command.ExecuteReader();
if (reader != null && reader.HasRows)
{
reader.Read();
int id = reader.GetInt32(0);
int w = reader.GetInt32(1);
int h = reader.GetInt32(2);
reader.Close();
command.CommandText = "SELECT Data FROM CoverData WHERE CoverID = @id";
command.Parameters.Add("@id", DbType.Int32).Value = id;
reader = command.ExecuteReader();
if (reader.HasRows)
{
reader.Read();
byte[] data2 = _GetBytes(reader);
reader.Dispose();
tex = CDraw.EnqueueTexture(w, h, data2);
return(true);
}
command.CommandText = "DELETE FROM Cover WHERE id = @id";
command.Parameters.Add("@id", DbType.Int32).Value = id;
command.ExecuteNonQuery();
}
if (reader != null)
{
reader.Close();
}
}
}
// At this point we do not have a mathing entry in the CoverDB (either no Data found and deleted or nothing at all)
// We break out of the lock to do the bitmap loading and resizing here to allow multithreaded loading
Bitmap origin = CHelper.LoadBitmap(coverPath);
if (origin == null)
{
return(false);
}
Size size = origin.GetSize();
if (size.Width > maxSize || size.Height > maxSize)
{
size = CHelper.FitInBounds(new SRectF(0, 0, maxSize, maxSize, 0), (float)size.Width / size.Height, EAspect.LetterBox).SizeI;
Bitmap tmp = origin.Resize(size);
origin.Dispose();
origin = tmp;
}
byte[] data;
try
{
data = new byte[size.Width * size.Height * 4];
BitmapData bmpData = origin.LockBits(origin.GetRect(), ImageLockMode.ReadOnly, PixelFormat.Format32bppArgb);
Marshal.Copy(bmpData.Scan0, data, 0, data.Length);
origin.UnlockBits(bmpData);
}
finally
{
origin.Dispose();
}
tex = CDraw.EnqueueTexture(size.Width, size.Height, data);
lock (_Mutex)
{
//Double check here because we may have just closed our connection
if (_Connection == null)
{
return(false);
}
if (_TransactionCover == null)
{
_TransactionCover = _Connection.BeginTransaction();
}
using (var command = new SQLiteCommand(_Connection))
{
command.CommandText = "INSERT INTO Cover (Path, width, height) VALUES (@path, @w, @h)";
command.Parameters.Add("@w", DbType.Int32).Value = size.Width;
command.Parameters.Add("@h", DbType.Int32).Value = size.Height;
command.Parameters.Add("@path", DbType.String).Value = coverPath;
command.ExecuteNonQuery();
command.CommandText = "SELECT id FROM Cover WHERE [Path] = @path";
command.Parameters.Add("@path", DbType.String).Value = coverPath;
SQLiteDataReader reader = command.ExecuteReader();
if (reader != null)
{
reader.Read();
int id = reader.GetInt32(0);
reader.Dispose();
command.CommandText = "INSERT INTO CoverData (CoverID, Data) VALUES (@id, @data)";
command.Parameters.Add("@id", DbType.Int32).Value = id;
command.Parameters.Add("@data", DbType.Binary).Value = data;
command.ExecuteNonQuery();
return(true);
}
}
}
return(false);
}