SetFontSubsettingCountPolicy(int countPolicy)
{
IServiceProvider resourceServiceProvider = (IServiceProvider)ResourcePolicy;
XpsFontSerializationService fontService = (XpsFontSerializationService)resourceServiceProvider.GetService(typeof(XpsFontSerializationService));
if (fontService != null)
{
XpsFontSubsetter fontSubsetter = fontService.FontSubsetter;
fontSubsetter.SetSubsetCommitCountPolicy(countPolicy);
}
}
ConvertTo(
ITypeDescriptorContext context,
System.Globalization.CultureInfo culture,
object value,
Type destinationType
)
{
if (context == null)
{
throw new ArgumentNullException("context");
}
Toolbox.EmitEvent(EventTrace.Event.WClientDRXConvertFontBegin);
if (!IsSupportedType(destinationType))
{
throw new NotSupportedException(SR.Get(SRID.Converter_ConvertToNotSupported));
}
PackageSerializationManager manager = (PackageSerializationManager)context.GetService(typeof(XpsSerializationManager));
//
// Ensure that we have a valid GlyphRun instance
//
GlyphRun fontGlyphRun = (GlyphRun)value;
if (fontGlyphRun == null)
{
throw new ArgumentException(SR.Get(SRID.MustBeOfType, "value", "GlyphRun"));
}
//
// Obtain the font serialization service from the serlialization manager.
//
IServiceProvider resourceServiceProvider = manager.ResourcePolicy;
XpsFontSerializationService fontService = (XpsFontSerializationService)resourceServiceProvider.GetService(typeof(XpsFontSerializationService));
if (fontService == null)
{
throw new XpsSerializationException(SR.Get(SRID.ReachSerialization_NoFontService));
}
//
// Retrieve the current font subsetter
//
XpsFontSubsetter fontSubsetter = fontService.FontSubsetter;
//
// Add the font subset to the font subsetter and retrieve a Uri
// to the font within the Xps package.
//
Uri resourceUri = fontSubsetter.ComputeFontSubset(fontGlyphRun);
Toolbox.EmitEvent(EventTrace.Event.WClientDRXConvertFontEnd);
return(resourceUri);
}
signalReleaseToFontService(
Type writerType
)
{
bool subsetComplete = false;
int refCnt = DecrementRefCntByType(writerType);
// signal the font sub-setter that we completed a node
if (_resourcePolicy != null)
{
XpsFontSerializationService fontService = (XpsFontSerializationService)_resourcePolicy.GetService(typeof(XpsFontSerializationService));
//
// The font subsetter will determine if based on this
// signal we have completed a subset
//
if (fontService != null && refCnt == 0)
{
subsetComplete = fontService.SignalCommit(writerType);
}
}
}
ReleaseXmlWriter(
Type writerType
)
{
Toolbox.EmitEvent(EventTrace.Event.WClientDRXReleaseWriterStart);
bool subsetComplete = false;
int refCnt = DecrementRefCntByType(writerType);
//
// signal the font sub-setter that we completed a node
if (_resourcePolicy != null)
{
XpsFontSerializationService fontService = (XpsFontSerializationService)_resourcePolicy.GetService(typeof(XpsFontSerializationService));
//
// The font subsetter will determine if based on this
// signal we have completed a subset
//
if (fontService != null && refCnt == 0)
{
subsetComplete = fontService.SignalCommit(writerType);
}
}
//
// Allow the packaging policy to release the stream
//
if (_packagingPolicy != null)
{
if (writerType == typeof(FixedDocumentSequence))
{
_packagingPolicy.ReleaseXmlWriterForFixedDocumentSequence();
}
else if (writerType == typeof(FixedDocument))
{
_packagingPolicy.ReleaseXmlWriterForFixedDocument();
}
else if (writerType == typeof(FixedPage))
{
_packagingPolicy.ReleaseXmlWriterForFixedPage();
}
else if (writerType == typeof(Visual))
{
_packagingPolicy.ReleaseXmlWriterForFixedPage();
}
else
{
throw new XpsSerializationException(SR.Get(SRID.ReachSerialization_NotSupported));
}
}
//
// If the subsetting is complete we need to notify the interleaving policy
// so it can flush.
//
if (subsetComplete && refCnt == 0)
{
XpsPackagingPolicy xpsPackagingPolicy = _packagingPolicy as XpsPackagingPolicy;
if (xpsPackagingPolicy != null)
{
xpsPackagingPolicy.InterleavingPolicy.SignalSubsetComplete();
}
}
Toolbox.EmitEvent(EventTrace.Event.WClientDRXReleaseWriterEnd);
}
