protected void AddSharedObjectsToBody()
{
// add the fonts
foreach (FontDetails details in documentFonts.Values) {
details.WriteFont(this);
}
// add the form XObjects
foreach (Object[] objs in formXObjects.Values) {
PdfTemplate template = (PdfTemplate)objs[1];
if (template != null && template.IndirectReference is PRIndirectReference)
continue;
if (template != null && template.Type == PdfTemplate.TYPE_TEMPLATE) {
AddToBody(template.GetFormXObject(compressionLevel), template.IndirectReference);
}
}
// add all the dependencies in the imported pages
foreach (PdfReaderInstance rd in readerInstances.Values) {
currentPdfReaderInstance = rd;
currentPdfReaderInstance.WriteAllPages();
}
currentPdfReaderInstance = null;
// add the color
foreach (ColorDetails color in documentColors.Values) {
AddToBody(color.GetSpotColor(this), color.IndirectReference);
}
// add the pattern
foreach (PdfPatternPainter pat in documentPatterns.Keys) {
AddToBody(pat.GetPattern(compressionLevel), pat.IndirectReference);
}
// add the shading patterns
foreach (PdfShadingPattern shadingPattern in documentShadingPatterns.Keys) {
shadingPattern.AddToBody();
}
// add the shadings
foreach (PdfShading shading in documentShadings.Keys) {
shading.AddToBody();
}
// add the extgstate
foreach (KeyValuePair<PdfDictionary, PdfObject[]> entry in documentExtGState) {
PdfDictionary gstate = entry.Key;
PdfObject[] obj = entry.Value;
AddToBody(gstate, (PdfIndirectReference)obj[1]);
}
// add the properties
foreach (KeyValuePair<Object, PdfObject[]> entry in documentProperties) {
Object prop = entry.Key;
PdfObject[] obj = entry.Value;
if (prop is PdfLayerMembership){
PdfLayerMembership layer = (PdfLayerMembership)prop;
AddToBody(layer.PdfObject, layer.Ref);
}
else if ((prop is PdfDictionary) && !(prop is PdfLayer)){
AddToBody((PdfDictionary)prop, (PdfIndirectReference)obj[1]);
}
}
}
/** Writes the reader to the document and frees the memory used by it.
* The main use is when concatenating multiple documents to keep the
* memory usage restricted to the current appending document.
* @param reader the <CODE>PdfReader</CODE> to free
* @throws IOException on error
*/
public virtual void FreeReader(PdfReader reader)
{
currentPdfReaderInstance = (PdfReaderInstance)importedPages[reader];
if (currentPdfReaderInstance == null)
return;
currentPdfReaderInstance.WriteAllPages();
currentPdfReaderInstance = null;
importedPages.Remove(reader);
}
