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add inheritable keys back into the copied pages node

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keys suchs as resources, mediabox, cropbox, etc can be inherited. we now copy them if they are present on the parent pages node.
This commit is contained in:
Eliot Jones
2020-03-02 16:07:36 +00:00
parent c596bef024
commit 2effedd3c5
1 changed files with 22 additions and 2 deletions
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24
src/UglyToad.PdfPig/Writer/PdfMerger.cs
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@@ -234,13 +234,25 @@
pageReferences.Add(new IndirectReferenceToken(newEntry.Number));
}
var pagesDictionary = new DictionaryToken(new Dictionary<NameToken, IToken>
var newPagesNode = new Dictionary<NameToken, IToken>
{
{ NameToken.Type, NameToken.Pages },
{ NameToken.Kids, new ArrayToken(pageReferences) },
{ NameToken.Count, new NumericToken(pageReferences.Count) },
{ NameToken.Parent, treeParentReference }
});
};
foreach (var pair in treeNode.NodeDictionary.Data)
{
if (IgnoreKeyForPagesNode(pair))
{
continue;
}
newPagesNode[NameToken.Create(pair.Key)] = CopyToken(pair.Value, tokenScanner);
}
var pagesDictionary = new DictionaryToken(newPagesNode);
return context.WriteObject(memory, pagesDictionary, currentNodeReserved);
}
@@ -342,6 +354,14 @@
stream.Write(bytes, 0, bytes.Length);
stream.WriteNewLine();
}
private static bool IgnoreKeyForPagesNode(KeyValuePair<string, IToken> token)
{
return string.Equals(token.Key, NameToken.Type.Data, StringComparison.OrdinalIgnoreCase)
|| string.Equals(token.Key, NameToken.Kids.Data, StringComparison.OrdinalIgnoreCase)
|| string.Equals(token.Key, NameToken.Count.Data, StringComparison.OrdinalIgnoreCase)
|| string.Equals(token.Key, NameToken.Parent.Data, StringComparison.OrdinalIgnoreCase);
}
}
}
}