public virtual void PreLayoutTest02()
{
String outFileName = destinationFolder + "preLayoutTest02.pdf";
String cmpFileName = sourceFolder + "cmp_preLayoutTest02.pdf";
PdfDocument pdfDoc = new PdfDocument(new PdfWriter(outFileName));
Document document = new Document(pdfDoc, PageSize.Default, false);
document.Add(new Paragraph("AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA"));
StringBuilder text = new StringBuilder();
for (int i = 0; i < 1200; i++)
{
text.Append("A very long text is here...");
}
Paragraph twoColumnParagraph = new Paragraph();
twoColumnParagraph.SetNextRenderer(new PreLayoutTest.TwoColumnParagraphRenderer(twoColumnParagraph));
iText.Layout.Element.Text textElement = new iText.Layout.Element.Text(text.ToString());
twoColumnParagraph.Add(textElement).SetFont(PdfFontFactory.CreateFont(StandardFonts.HELVETICA));
document.Add(twoColumnParagraph);
document.Add(new Paragraph("AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA"));
int paragraphLastPageNumber = -1;
IList <IRenderer> documentChildRenderers = document.GetRenderer().GetChildRenderers();
for (int i = documentChildRenderers.Count - 1; i >= 0; i--)
{
if (documentChildRenderers[i].GetModelElement() == twoColumnParagraph)
{
paragraphLastPageNumber = documentChildRenderers[i].GetOccupiedArea().GetPageNumber();
break;
}
}
twoColumnParagraph.SetNextRenderer(new PreLayoutTest.TwoColumnParagraphRenderer(twoColumnParagraph, paragraphLastPageNumber
));
document.Relayout();
//Close document. Drawing of content is happened on close
document.Close();
NUnit.Framework.Assert.IsNull(new CompareTool().CompareByContent(outFileName, cmpFileName, destinationFolder
, "diff"));
}
public virtual void OrphansWidowsAwareAndDirectLayoutProduceSameResult()
{
PdfDocument pdfDocument = new PdfDocument(new PdfWriter(new MemoryStream()));
Document document = new Document(pdfDocument);
int minAllowedWidows = 3;
int overflowedToNextPageLinesNum = 5;
Paragraph widowsParagraph = new Paragraph(OrphansWidowsTestUtil.PARA_TEXT);
IRenderer paragraphRenderer = widowsParagraph.CreateRendererSubTree().SetParent(document.GetRenderer());
Rectangle effectiveArea = document.GetPageEffectiveArea(pdfDocument.GetDefaultPageSize());
float linesHeight = OrphansWidowsTestUtil.CalculateHeightForLinesNum(document, widowsParagraph, effectiveArea
.GetWidth(), overflowedToNextPageLinesNum, false);
Rectangle layoutAreaRect = new Rectangle(effectiveArea).SetHeight(linesHeight + OrphansWidowsTestUtil.LINES_SPACE_EPS
);
LayoutContext layoutContext = new LayoutContext(new LayoutArea(1, layoutAreaRect));
LayoutResult noWidowsControlLayoutResult = paragraphRenderer.Layout(layoutContext);
ParagraphWidowsControl widowsControl = new ParagraphWidowsControl(minAllowedWidows, 1, false);
widowsParagraph.SetWidowsControl(widowsControl);
LayoutResult widowsControlLayoutResult = paragraphRenderer.Layout(layoutContext);
// toString() comparison is used since it contains report on status, areaBreak and occupiedArea
NUnit.Framework.Assert.AreEqual(noWidowsControlLayoutResult.ToString(), widowsControlLayoutResult.ToString
());
ParagraphRenderer firstSplitRenderer = (ParagraphRenderer)noWidowsControlLayoutResult.GetSplitRenderer();
ParagraphRenderer secondSplitRenderer = (ParagraphRenderer)widowsControlLayoutResult.GetSplitRenderer();
NUnit.Framework.Assert.IsNotNull(firstSplitRenderer);
NUnit.Framework.Assert.IsNotNull(secondSplitRenderer);
NUnit.Framework.Assert.AreEqual(firstSplitRenderer.ToString(), secondSplitRenderer.ToString());
NUnit.Framework.Assert.IsNotNull(noWidowsControlLayoutResult.GetOverflowRenderer());
NUnit.Framework.Assert.IsNotNull(widowsControlLayoutResult.GetOverflowRenderer());
}
