ReleaseResourceStreamForXpsFont(
String resourceId
)
{
if (_fontAcquireMode == ResourceAcquireMode.MultipleAcquired)
{
ResourceStreamCacheItem resourceStreamCacheItem = (ResourceStreamCacheItem)_fontsCache[resourceId];
if (resourceStreamCacheItem != null)
{
if (resourceStreamCacheItem.Release() == 0)
{
//resourceStreamCacheItem.XpsResource.Commit();
_fontsCache.Remove(resourceId);
if (_fontsCache.Count == 0)
{
_fontAcquireMode = ResourceAcquireMode.NoneAcquired;
}
}
}
else
{
throw new XpsSerializationException(SR.Get(SRID.ReachSerialization_CannotReleaseXmlWriter));
}
}
else
{
//
// throw the appropriate exception
//
}
}
AcquireResourceStreamForXpsFont(
String resourceId
)
{
XpsResourceStream resourceStream = null;
if (_fontAcquireMode != ResourceAcquireMode.SingleAcquired)
{
if (_fontAcquireMode == ResourceAcquireMode.NoneAcquired)
{
_fontAcquireMode = ResourceAcquireMode.MultipleAcquired;
}
ResourceStreamCacheItem resourceStreamCacheItem = (ResourceStreamCacheItem)_fontsCache[resourceId];
if (resourceStreamCacheItem == null)
{
resourceStreamCacheItem = new ResourceStreamCacheItem();
//
// We need to create the corresponding part in the Xps package
// and then acquire the Stream
//
if (_currentFixedPageWriter != null)
{
XpsFont reachFont = _currentFixedPageWriter.AddFont();
if (reachFont != null)
{
_interleavingPolicy.AddItem((INode)reachFont, 0, (INode)_currentFixedPageWriter);
resourceStreamCacheItem.XpsResource = (XpsResource)reachFont;
//
// retreive the appropriate stream and uri from the reach package api layer
//
_fontResourceStream = new XpsResourceStream(reachFont.GetStream(),
reachFont.Uri);
resourceStreamCacheItem.XpsResourceStream = _fontResourceStream;
_fontsCache[resourceId] = resourceStreamCacheItem;
resourceStream = _fontResourceStream;
}
}
else
{
throw new XpsSerializationException(SR.Get(SRID.ReachSerialization_NoFixedPageWriter));
}
}
else
{
resourceStream = resourceStreamCacheItem.XpsResourceStream;
resourceStreamCacheItem.IncRef();
}
}
return(resourceStream);
}
AcquireResourceStreamForXpsFont(
String resourceId
)
{
XpsResourceStream resourceStream = null;
if (_fontAcquireMode != ResourceAcquireMode.SingleAcquired)
{
if (_fontAcquireMode == ResourceAcquireMode.NoneAcquired)
{
_fontAcquireMode = ResourceAcquireMode.MultipleAcquired;
}
ResourceStreamCacheItem resourceStreamCacheItem = (ResourceStreamCacheItem)_fontsCache[resourceId];
if (resourceStreamCacheItem == null)
{
resourceStreamCacheItem = new ResourceStreamCacheItem();
//
// We need to create the corresponding part in the Xps package
// and then acquire the Stream
//
if (_currentFixedPageWriter != null)
{
//XpsFont reachFont = _currentFixedPageWriter.AddFont(resourceId);
Stream fontStream = new MemoryStream();
if (fontStream != null)
{
resourceStreamCacheItem.XpsResource = null;
//
// retreive the appropriate stream and uri from the reach package api layer
//
_fontResourceStream = new XpsResourceStream(fontStream,
new Uri("package/font", UriKind.Relative));
resourceStreamCacheItem.XpsResourceStream = _fontResourceStream;
_fontsCache[resourceId] = resourceStreamCacheItem;
resourceStream = _fontResourceStream;
//
// This is to handle PSharp bug claiming we do not dispose
// this class. We can not dipose because ownership has been handed off.
// thus we set it to null
//
fontStream = null;
}
else
{
//
// throw the appropriate exception
//
}
}
else
{
throw new XpsSerializationException(SR.Get(SRID.ReachSerialization_NoFixedPageWriter));
}
}
else
{
resourceStream = resourceStreamCacheItem.XpsResourceStream;
resourceStreamCacheItem.IncRef();
}
}
else
{
//
// throw the appropraite exception
//
}
return(resourceStream);
}