/// <summary>
/// Allow to append a new content stream after the current one and select it
/// </summary>
public void NewContentStreamAfter()
{
var index = Math.Min(contentStreams.IndexOf(currentStream) + 1, contentStreams.Count);
currentStream = new DefaultContentStream();
contentStreams.Insert(index, currentStream);
}
/// <summary>
/// Allow to append a new content stream before the current one and select it
/// </summary>
public void NewContentStreamBefore()
{
var index = Math.Max(contentStreams.IndexOf(currentStream) - 1, 0);
currentStream = new DefaultContentStream();
contentStreams.Insert(index, currentStream);
}
/// <summary>
/// Select a content stream from the list, by his index
/// </summary>
/// <param name="index">index of the content stream to be selected</param>
public void SelectContentStream(int index)
{
if (index < 0 || index >= contentStreams.Count)
{
throw new IndexOutOfRangeException(nameof(index));
}
currentStream = contentStreams[index];
}
internal PdfPageBuilder(int number, PdfDocumentBuilder documentBuilder, IEnumerable <CopiedContentStream> copied,
Dictionary <NameToken, IToken> pageDict)
{
this.documentBuilder = documentBuilder ?? throw new ArgumentNullException(nameof(documentBuilder));
PageNumber = number;
pageDictionary = pageDict;
contentStreams = new List <IPageContentStream>();
contentStreams.AddRange(copied);
currentStream = new DefaultContentStream();
contentStreams.Add(currentStream);
}
internal PdfPageBuilder(int number, PdfDocumentBuilder documentBuilder)
{
this.documentBuilder = documentBuilder ?? throw new ArgumentNullException(nameof(documentBuilder));
PageNumber = number;
currentStream = new DefaultContentStream();
contentStreams = new List <IPageContentStream>()
{
currentStream
};
}
