/// <summary>
/// Updates text with formatting in the found watermarks
/// </summary>
public static void EditTextWithFormattingInFoundWatermarks()
{
try
{
//ExStart:EditTextWithFormattingInFoundWatermarks_18.3
using (Document doc = Document.Load(Utilities.MapSourceFilePath(DOC_FILE_PATH)))
{
TextSearchCriteria searchCriteria = new TextSearchCriteria("test", false);
PossibleWatermarkCollection watermarks = doc.FindWatermarks(searchCriteria);
foreach (PossibleWatermark watermark in watermarks)
{
try
{
// Edit text
watermark.FormattedTextFragments.Clear();
watermark.FormattedTextFragments.Add("passed", new Font("Calibri", 19, FontStyle.Bold), Color.Red, Color.Aqua);
}
catch (Exception e)
{
// Found entity may not support text editing
// Passed arguments can have inappropriate value
// Process such cases here
}
}
// Save document
doc.Save();
}
//ExEnd:EditTextWithFormattingInFoundWatermarks_18.3
}
catch (Exception exp)
{
Console.Write(exp.Message);
}
}
/// <summary>
/// Updates text in the found watermarks
/// </summary>
public static void EditTextInFoundWatermarks()
{
try
{
//ExStart:EditTextInFoundWatermarks_18.3
using (Document doc = Document.Load(Utilities.MapSourceFilePath(PPT_FILE_PATH)))
{
TextSearchCriteria searchCriteria = new TextSearchCriteria("test", false);
PossibleWatermarkCollection watermarks = doc.FindWatermarks(searchCriteria);
foreach (PossibleWatermark watermark in watermarks)
{
try
{
// Edit text
watermark.Text = "passed";
}
catch (Exception e)
{
// Found entity may not support text editing
// Passed argument can have inappropriate value
// Process such cases here
}
}
// Save document
doc.Save();
}
//ExEnd:EditTextInFoundWatermarks_18.3
}
catch (Exception exp)
{
Console.Write(exp.Message);
}
}
/// <summary>
/// Searches for watermark with combination of different search criterias
/// </summary>
public static void SearchWatermarkWithCombinedSearch()
{
try
{
//ExStart:SearchWatermarkWithCombinedSearch
using (Document doc = Document.Load(Utilities.MapSourceFilePath(DOC_FILE_PATH)))
{
ImageSearchCriteria imageSearchCriteria = new ImageDctHashSearchCriteria(@"D:\logo.png");
imageSearchCriteria.MaxDifference = 0.9;
TextSearchCriteria textSearchCriteria = new TextSearchCriteria("Company Name");
RotateAngleSearchCriteria rotateAngleSearchCriteria = new RotateAngleSearchCriteria(30, 60);
SearchCriteria combinedSearchCriteria = imageSearchCriteria.Or(textSearchCriteria).And(rotateAngleSearchCriteria);
PossibleWatermarkCollection possibleWatermarks = doc.FindWatermarks(combinedSearchCriteria);
// ...
}
//ExEnd:SearchWatermarkWithCombinedSearch
}
catch (Exception exp)
{
Console.Write(exp.Message);
}
}
/// <summary>
/// Searches for watermark with a particular text
/// <param name="SearchString">Search String</param>
/// </summary>
public static void SearchWatermark(string SearchString)
{
try
{
//ExStart:SearchWatermarkWithSearchString
using (Document doc = Document.Load(Utilities.MapSourceFilePath(PPT_FILE_PATH)))
{
// Search by exact string
TextSearchCriteria textSearchCriteria = new TextSearchCriteria("© 2017");
// Find all possible watermarks containing some specific text
PossibleWatermarkCollection possibleWatermarks = doc.FindWatermarks(textSearchCriteria);
// ...
}
//ExEnd:SearchWatermarkWithSearchString
}
catch (Exception exp)
{
Console.Write(exp.Message);
}
}
/// <summary>
/// Removes old company logo added as watermark from all the documents in a folder
/// </summary>
public static void RemoveCompanyLogoWatermarkFromDocuments()
{
try
{
//ExStart:RemoveCompanyLogoWatermarkFromDocuments
var inputFolder = SourceFolderPath;
var outputFolder = SourceFolderPath + "/output";
var logo = @"D:\logo.png";
var files = Directory.GetFiles(inputFolder);
ImageSearchCriteria imageSearchCriteria = new ImageDctHashSearchCriteria(logo);
var regex = new Regex(@"^Company\sName$", RegexOptions.IgnoreCase);
TextSearchCriteria textSearchCriteria = new TextSearchCriteria(regex);
foreach (var file in files)
{
try
{
using (var doc = Document.Load(file))
{
var watermarks = doc.FindWatermarks(textSearchCriteria.Or(imageSearchCriteria));
watermarks.Clear();
doc.Save(Path.Combine(outputFolder, Path.GetFileName(file)));
}
}
catch (UnsupportedFileTypeException)
{
Console.WriteLine("File format is not supported. File = {0}", Path.GetFileName(file));
}
}
//ExEnd:RemoveCompanyLogoWatermarkFromDocuments
}
catch (Exception exp)
{
Console.Write(exp.Message);
}
}
/// <summary>
/// Searches for watermark with a regular expression
/// <param name="RegularExpression">Regular Expression</param>
/// </summary>
public static void SearchWatermark(Regex RegularExpression)
{
try
{
//ExStart:SearchWatermarkWithRegularExpression
using (Document doc = Document.Load(Utilities.MapSourceFilePath(DOC_FILE_PATH)))
{
Regex regex = new Regex(@"^© \d{4}$");
// Search by regular expression
TextSearchCriteria textSearchCriteria = new TextSearchCriteria(regex);
// Find possible watermarks using regular expression
PossibleWatermarkCollection possibleWatermarks = doc.FindWatermarks(textSearchCriteria);
// ...
}
//ExEnd:SearchWatermarkWithRegularExpression
}
catch (Exception exp)
{
Console.Write(exp.Message);
}
}
/// <summary>
/// Searches for text watermark skipping unreadable characters
/// </summary>
public static void SearchTextWatermarkSkippingUnreadableCharacters()
{
try
{
//ExStart:SearchTextWatermarkSkippingUnreadableCharacters_18.8
using (Document doc = Document.Load(Utilities.MapSourceFilePath(PPT_FILE_PATH)))
{
string watermarkText = "Company name";
TextSearchCriteria criterion = new TextSearchCriteria(watermarkText);
// Enabling skipping of unreadable characters
criterion.SkipUnreadableCharacters = true;
PossibleWatermarkCollection result = doc.FindWatermarks(criterion);
// ...
}
//ExEnd:SearchTextWatermarkSkippingUnreadableCharacters_18.8
}
catch (Exception exp)
{
Console.Write(exp.Message);
}
}