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());
}
private static void RunOrphansWidowsBiggerThanLinesCount(String fileName, bool orphans, bool singleLine)
{
String outPdf = destinationFolder + fileName + ".pdf";
String cmpPdf = sourceFolder + "cmp_" + fileName + ".pdf";
OrphansWidowsTestUtil.ProduceOrphansWidowsBiggerThanLinesCountTestCase(outPdf, orphans, singleLine);
NUnit.Framework.Assert.IsNull(new CompareTool().CompareByContent(outPdf, cmpPdf, destinationFolder, "diff_"
));
}
private static void RunFloatingDiv(String fileName, bool orphans)
{
String outPdf = destinationFolder + fileName + ".pdf";
String cmpPdf = sourceFolder + "cmp_" + fileName + ".pdf";
OrphansWidowsTestUtil.ProduceOrphansWidowsFloatingDivTestCase(outPdf, orphans);
NUnit.Framework.Assert.IsNull(new CompareTool().CompareByContent(outPdf, cmpPdf, destinationFolder, "diff_"
));
}
private static void RunUnexpectedWidthOfNextAreaTest(String fileName, bool wide)
{
String outPdf = destinationFolder + fileName + ".pdf";
String cmpPdf = sourceFolder + "cmp_" + fileName + ".pdf";
OrphansWidowsTestUtil.ProduceOrphansWidowsUnexpectedWidthOfNextAreaTestCase(outPdf, wide);
NUnit.Framework.Assert.IsNull(new CompareTool().CompareByContent(outPdf, cmpPdf, destinationFolder, "diff_"
));
}
private static void RunTestOnPage(String testName, Paragraph testPara, bool orphans)
{
String outPdf = destinationFolder + testName + ".pdf";
String cmpPdf = sourceFolder + "cmp_" + testName + ".pdf";
int linesLeft = 1;
OrphansWidowsTestUtil.ProduceOrphansOrWidowsTestCase(outPdf, linesLeft, orphans, testPara);
NUnit.Framework.Assert.IsNull(new CompareTool().CompareByContent(outPdf, cmpPdf, destinationFolder, "diff_"
));
}
private static void RunHugeInlineImage(String fileName, bool orphans)
{
String outPdf = destinationFolder + fileName + ".pdf";
String cmpPdf = sourceFolder + "cmp_" + fileName + ".pdf";
String imagePath = sourceFolder + "imageA4.png";
OrphansWidowsTestUtil.ProduceOrphansWidowsHugeInlineImageTestCase(outPdf, imagePath, orphans);
NUnit.Framework.Assert.IsNull(new CompareTool().CompareByContent(outPdf, cmpPdf, destinationFolder, "diff_"
));
}
private static void RunOrphansAndWidows(String testName)
{
String outPdf = destinationFolder + testName + ".pdf";
String cmpPdf = sourceFolder + "cmp_" + testName + ".pdf";
Paragraph testPara = new Paragraph();
testPara.SetOrphansControl(new ParagraphOrphansControl(3)).SetWidowsControl(new ParagraphWidowsControl(3,
1, true));
OrphansWidowsTestUtil.ProduceOrphansAndWidowsTestCase(outPdf, testPara);
NUnit.Framework.Assert.IsNull(new CompareTool().CompareByContent(outPdf, cmpPdf, destinationFolder, "diff_"
));
}
private static void RunCustomParagraphAndRendererTest(String fileName, bool orphans)
{
String outPdf = destinationFolder + fileName + ".pdf";
String cmpPdf = sourceFolder + "cmp_" + fileName + ".pdf";
OrphansWidowsTest.CustomParagraph customParagraph = new OrphansWidowsTest.CustomParagraph();
if (orphans)
{
customParagraph.SetOrphansControl(new ParagraphOrphansControl(3));
}
else
{
customParagraph.SetWidowsControl(new ParagraphWidowsControl(3, 1, false));
}
OrphansWidowsTestUtil.ProduceOrphansWidowsTestCase(outPdf, 2, orphans, customParagraph, false);
NUnit.Framework.Assert.IsNull(new CompareTool().CompareByContent(outPdf, cmpPdf, destinationFolder, "diff_"
));
}
