public static void Run()
{
// ExStart:MulticolumnParagraphs
// The path to the documents directory.
string dataDir = RunExamples.GetDataDir_AsposePdf_Text();
Document doc = new Document(dataDir + "MultiColumnPdf.pdf");
ParagraphAbsorber absorber = new ParagraphAbsorber();
absorber.Visit(doc);
PageMarkup markup = absorber.PageMarkups[0];
Console.WriteLine("IsMulticolumnParagraphsAllowed == false\r\n");
MarkupSection section = markup.Sections[2];
MarkupParagraph paragraph = section.Paragraphs[section.Paragraphs.Count - 1];
Console.WriteLine("Section at {0} last paragraph text:\r\n", section.Rectangle.ToString());
Console.WriteLine(paragraph.Text);
section = markup.Sections[1];
paragraph = section.Paragraphs[0];
Console.WriteLine("\r\nSection at {0} first paragraph text:\r\n", section.Rectangle.ToString());
Console.WriteLine(paragraph.Text);
markup.IsMulticolumnParagraphsAllowed = true;
Console.WriteLine("\r\nIsMulticolumnParagraphsAllowed == true\r\n");
section = markup.Sections[2];
paragraph = section.Paragraphs[section.Paragraphs.Count - 1];
Console.WriteLine("Section at {0} last paragraph text:\r\n", section.Rectangle.ToString());
Console.WriteLine(paragraph.Text);
section = markup.Sections[1];
paragraph = section.Paragraphs[0];
Console.WriteLine("\r\nSection at {0} first paragraph text:\r\n", section.Rectangle.ToString());
Console.WriteLine(paragraph.Text);
// ExEnd:MulticolumnParagraphs
}
public List <ParaDetails> FetchParagraph(string path, string phrase)
{
var paraDetails = new List <ParaDetails>();
InjectAsposeLicemse();
Aspose.Pdf.Document document = new Aspose.Pdf.Document(path);
ParagraphAbsorber absorber = new ParagraphAbsorber();
absorber.Visit(document);
foreach (PageMarkup markup in absorber.PageMarkups)
{
int i = 1;
foreach (MarkupSection section in markup.Sections)
{
int j = 1;
foreach (MarkupParagraph paragraph in section.Paragraphs)
{
StringBuilder paragraphText = new StringBuilder();
foreach (List <TextFragment> line in paragraph.Lines)
{
foreach (TextFragment fragment in line)
{
paragraphText.Append(fragment.Text);
}
paragraphText.Append("\r\n");
}
paragraphText.Append("\r\n");
var paratext = paragraphText.ToString();
if (paratext.Contains(phrase, StringComparison.InvariantCultureIgnoreCase))
{
var paraDetail = new ParaDetails();
paraDetail.Details = string.Format("Page {2}, Section {1}, Paragraph {0} says:", j, i, markup.Number);
paraDetail.Text = paratext;
paraDetails.Add(paraDetail);
}
j++;
}
i++;
}
}
return(paraDetails);
}
public static void Run()
{
// ExStart:1
// The path to the documents directory.
string dataDir = RunExamples.GetDataDir_AsposePdf_Text();
// Open an existing PDF file
Document doc = new Document(dataDir + "input.pdf");
// Instantiate ParagraphAbsorber
ParagraphAbsorber absorber = new ParagraphAbsorber();
absorber.Visit(doc);
foreach (PageMarkup markup in absorber.PageMarkups)
{
int i = 1;
foreach (MarkupSection section in markup.Sections)
{
int j = 1;
foreach (MarkupParagraph paragraph in section.Paragraphs)
{
StringBuilder paragraphText = new StringBuilder();
foreach (List <TextFragment> line in paragraph.Lines)
{
foreach (TextFragment fragment in line)
{
paragraphText.Append(fragment.Text);
}
paragraphText.Append("\r\n");
}
paragraphText.Append("\r\n");
Console.WriteLine("Paragraph {0} of section {1} on page {2}:", j, i, markup.Number);
Console.WriteLine(paragraphText.ToString());
j++;
}
i++;
}
}
// ExEnd:1
}
// ExStart:1
private static void ExtractParagraph()
{
// The path to the documents directory.
string dataDir = RunExamples.GetDataDir_AsposePdf_Text();
Document doc = new Document(dataDir + "input.pdf");
Page page = doc.Pages[2];
ParagraphAbsorber absorber = new ParagraphAbsorber();
absorber.Visit(page);
PageMarkup markup = absorber.PageMarkups[0];
foreach (MarkupSection section in markup.Sections)
{
DrawRectangleOnPage(section.Rectangle, page);
foreach (MarkupParagraph paragraph in section.Paragraphs)
{
DrawPolygonOnPage(paragraph.Points, page);
}
}
doc.Save(dataDir + "output_out.pdf");
}
