Hi I'm trying to replace a text fragment with a set of paragraphs.
I load a template PDF file in, and find a placeholder in my template using the TextFragmentAbsorber to search each page.
I want to replace the text of the placeholder with some text, implementing paragraphs where the replacement text has a separator of ':p:'.
However when I do this the PDF renders a square character.
Any ideas?
I'm using v6.9 and v7.0, both have the problem
Please note both \r\n and \v don't work, both render the square character...
Is this a known bug, is their an alternative?
p.s. SplitOnString() is a custom extension method.
CODE:
string textToFind = "##NAMES_PLACEHOLDER##";
string replacementString = "Hello how are you:p:I hope well:p:See you soon";
try
{
//open document
Document pdfDocument = new Document(Server.MapPath("~/template/") + "TemplateReport.pdf");
string[] substrings = replacementString.SplitOnString(":p:");
if (substrings.Length > 1)
{
//create TextAbsorber object to find all instances of the input search phrase
TextFragmentAbsorber txtMultipleAbsorber = new TextFragmentAbsorber(textToFind);
//accept the absorber for all the pages
pdfDocument.Pages.Accept(txtMultipleAbsorber);
//get the extracted text fragments
TextFragmentCollection textFragmentMultiCollection = txtMultipleAbsorber.TextFragments;
// look though all the text fragments that mee the absorber criteria
foreach (TextFragment textFragment in textFragmentMultiCollection)
{
textFragment.Text = string.Empty;
for (int idx = 0; idx < substrings.Length; idx++)
{
if (textFragment.Text == string.Empty)
textFragment.Text = substrings[idx];
else
textFragment.Text += "\v" + substrings[idx];
}
}
}
else
{
//create TextAbsorber object to find all instances of the input search phrase
TextFragmentAbsorber textFragmentAbsorber = new TextFragmentAbsorber(textToFind);
//accept the absorber for all the pages
pdfDocument.Pages.Accept(textFragmentAbsorber);
//get the extracted text fragments
TextFragmentCollection textFragmentCollection = textFragmentAbsorber.TextFragments;
foreach (TextFragment textFragment in textFragmentCollection)
{
textFragment.Text = replacementString;
}
}