public Size?GetSize(bool decompressIfNecessary, bool ifDecompressingOccuredLeaveDecompressed = false)
{
lock (this._lock)
{
if (this._size != null)
{
return(this._size);
}
else if (this._pngBytes != null)
{
Image t = null;
if (decompressIfNecessary)
{
t = CompressibleImage.UncompressFromPng(this._pngBytes);
this._size = t.Size;
}
if (t != null && ifDecompressingOccuredLeaveDecompressed)
{
this._image = t;
}
return(this._size);
}
else
{
return(null);
}
}
}
public byte[] GetAsPngBytes(bool canUseImage = true)
{
//TODO: not sure why without this lock can be null later
if (this._lock == null)
{
this._lock = new object();
}
lock (this._lock)
{
if (this._pngBytes != null)
{
return(this._pngBytes);
}
else
{
if (canUseImage && this._image != null)
{
this._pngBytes = CompressibleImage.CompressToPng(this._image);
return(this._pngBytes);
}
else
{
return(null);
}
}
}
}
public static bool IsNull(this CompressibleImage ci)
{
if (ci == null)
{
return(true);
}
else
{
return(ci.IsNull);
}
}
public void Decompress()
{
lock (this._lock)
{
if (this._image == null && this._pngBytes != null)
{
this._image = CompressibleImage.UncompressFromPng(this._pngBytes);
this._size = this._image.Size;
}
}
}
public void Compress()
{
lock (this._lock)
{
if (this._image != null)
{
if (this._pngBytes == null)
{
this._pngBytes = CompressibleImage.CompressToPng(this._image);
}
this._image.Dispose();
this._image = null;
}
}
}
/// <summary>
/// IMPORTANT: You must see GetAsAutoDisposableImage() comment first.
/// </summary>
/// <returns></returns>
public Image GetAsImage()
{
lock (this._lock)
{
if (this._image != null)
{
return(this._image);
}
else
{
if (this._pngBytes != null)
{
Image r = CompressibleImage.UncompressFromPng(this._pngBytes);
this._size = r.Size;
return(r);
}
else
{
return(null);
}
}
}
}
