public override void Run(
)
{
// 1. Opening the PDF file...
string filePath = PromptFileChoice("Please select a PDF file");
using(File file = new File(filePath))
{
// Define the text pattern to look for!
string textRegEx = PromptChoice("Please enter the pattern to look for: ");
Regex pattern = new Regex(textRegEx, RegexOptions.IgnoreCase);
// 2. Iterating through the document pages...
TextExtractor textExtractor = new TextExtractor(true, true);
foreach(Page page in file.Document.Pages)
{
Console.WriteLine("\nScanning page " + (page.Index+1) + "...\n");
// 2.1. Extract the page text!
IDictionary<RectangleF?,IList<ITextString>> textStrings = textExtractor.Extract(page);
// 2.2. Find the text pattern matches!
MatchCollection matches = pattern.Matches(TextExtractor.ToString(textStrings));
// 2.3. Highlight the text pattern matches!
textExtractor.Filter(
textStrings,
new TextHighlighter(page, matches)
);
}
// 3. Highlighted file serialization.
Serialize(file);
}
}
public override void Run(
)
{
// 1. Opening the PDF file...
string filePath = PromptFileChoice("Please select a PDF file");
using (var file = new File(filePath))
{
// Define the text pattern to look for!
string textRegEx = PromptChoice("Please enter the pattern to look for: ");
Regex pattern = new Regex(textRegEx, RegexOptions.IgnoreCase);
// 2. Iterating through the document pages...
TextExtractor textExtractor = new TextExtractor(true, true);
foreach (Page page in file.Document.Pages)
{
Console.WriteLine("\nScanning page " + page.Number + "...\n");
// 2.1. Extract the page text!
IDictionary <RectangleF?, IList <ITextString> > textStrings = textExtractor.Extract(page);
// 2.2. Find the text pattern matches!
MatchCollection matches = pattern.Matches(TextExtractor.ToString(textStrings));
// 2.3. Highlight the text pattern matches!
textExtractor.Filter(
textStrings,
new TextHighlighter(page, matches)
);
}
// 3. Highlighted file serialization.
Serialize(file);
}
}
public override void Run(
)
{
// 1. Opening the PDF file...
string filePath = PromptFileChoice("Please select a PDF file");
using (files::File file = new files::File(filePath))
{
Document document = file.Document;
// 2. Link extraction from the document pages.
TextExtractor extractor = new TextExtractor();
extractor.AreaTolerance = 2; // 2 pt tolerance on area boundary detection.
bool linkFound = false;
foreach (Page page in document.Pages)
{
if (!PromptNextPage(page, !linkFound))
{
Quit();
break;
}
IDictionary <RectangleF?, IList <ITextString> > textStrings = null;
linkFound = false;
// Get the page annotations!
PageAnnotations annotations = page.Annotations;
if (!annotations.Exists())
{
Console.WriteLine("No annotations here.");
continue;
}
// Iterating through the page annotations looking for links...
foreach (Annotation annotation in annotations)
{
if (annotation is Link)
{
linkFound = true;
if (textStrings == null)
{
textStrings = extractor.Extract(page);
}
Link link = (Link)annotation;
RectangleF linkBox = link.Box;
// Text.
/*
* Extracting text superimposed by the link...
* NOTE: As links have no strong relation to page text but a weak location correspondence,
* we have to filter extracted text by link area.
*/
StringBuilder linkTextBuilder = new StringBuilder();
foreach (ITextString linkTextString in extractor.Filter(textStrings, linkBox))
{
linkTextBuilder.Append(linkTextString.Text);
}
Console.WriteLine("Link '" + linkTextBuilder + "' ");
// Position.
Console.WriteLine(
" Position: "
+ "x:" + Math.Round(linkBox.X) + ","
+ "y:" + Math.Round(linkBox.Y) + ","
+ "w:" + Math.Round(linkBox.Width) + ","
+ "h:" + Math.Round(linkBox.Height)
);
// Target.
Console.Write(" Target: ");
PdfObjectWrapper target = link.Target;
if (target is Destination)
{
PrintDestination((Destination)target);
}
else if (target is actions::Action)
{
PrintAction((actions::Action)target);
}
else if (target == null)
{
Console.WriteLine("[not available]");
}
else
{
Console.WriteLine("[unknown type: " + target.GetType().Name + "]");
}
}
}
if (!linkFound)
{
Console.WriteLine("No links here.");
continue;
}
}
}
}
public override void Run(
)
{
// 1. Opening the PDF file...
string filePath = PromptFileChoice("Please select a PDF file");
using(files::File file = new files::File(filePath))
{
Document document = file.Document;
// 2. Link extraction from the document pages.
TextExtractor extractor = new TextExtractor();
extractor.AreaTolerance = 2; // 2 pt tolerance on area boundary detection.
bool linkFound = false;
foreach(Page page in document.Pages)
{
if(!PromptNextPage(page, !linkFound))
{
Quit();
break;
}
IDictionary<RectangleF?,IList<ITextString>> textStrings = null;
linkFound = false;
// Get the page annotations!
PageAnnotations annotations = page.Annotations;
if(!annotations.Exists())
{
Console.WriteLine("No annotations here.");
continue;
}
// Iterating through the page annotations looking for links...
foreach(Annotation annotation in annotations)
{
if(annotation is Link)
{
linkFound = true;
if(textStrings == null)
{textStrings = extractor.Extract(page);}
Link link = (Link)annotation;
RectangleF linkBox = link.Box;
// Text.
/*
Extracting text superimposed by the link...
NOTE: As links have no strong relation to page text but a weak location correspondence,
we have to filter extracted text by link area.
*/
StringBuilder linkTextBuilder = new StringBuilder();
foreach(ITextString linkTextString in extractor.Filter(textStrings,linkBox))
{linkTextBuilder.Append(linkTextString.Text);}
Console.WriteLine("Link '" + linkTextBuilder + "' ");
// Position.
Console.WriteLine(
" Position: "
+ "x:" + Math.Round(linkBox.X) + ","
+ "y:" + Math.Round(linkBox.Y) + ","
+ "w:" + Math.Round(linkBox.Width) + ","
+ "h:" + Math.Round(linkBox.Height)
);
// Target.
Console.Write(" Target: ");
PdfObjectWrapper target = link.Target;
if(target is Destination)
{PrintDestination((Destination)target);}
else if(target is actions::Action)
{PrintAction((actions::Action)target);}
else if(target == null)
{Console.WriteLine("[not available]");}
else
{Console.WriteLine("[unknown type: " + target.GetType().Name + "]");}
}
}
if(!linkFound)
{
Console.WriteLine("No links here.");
continue;
}
}
}
}