public PdfSourceRect GetUnionRectangleWithNeighbour(int pageNumber)
{
CalculateCanvas();
PdfSourceRect pageRect = documentManager.GetPageRectGuess(pageNumber);
PdfSourceRect pageRect2;
if (PdfUtils.HorizontalPagePosition(PageLayoutMode, pageNumber) == 1)
{
pageRect2 = documentManager.GetPageRectGuess(pageNumber - 1);
pageRect = pageRect.unionDouble(pageRect2);
}
else if (PdfUtils.HorizontalPagePosition(PageLayoutMode, pageNumber) == -1 && pageNumber + 1 < PageCount)
{
//unify with right neighbour if it exists
pageRect2 = documentManager.GetPageRectGuess(pageNumber + 1);
pageRect = pageRect.unionDouble(pageRect2);
}
else
{
pageRect = pageRect.Clone();
}
pageRect.dX -= BorderSize;
pageRect.dWidth += 2.0 * BorderSize;
pageRect.dY -= BorderSize;
pageRect.dHeight += 2.0 * BorderSize;
return(pageRect);
}
