Replacing text & images in PDFs on Server/Desktop

To find text or images and replace it in a PDF.

PDFDoc doc = new PDFDoc(filename);
ContentReplacer replacer = new ContentReplacer();
Page page = doc.GetPage(1);

// replace an image on the page
Rect target_region = page.GetMediaBox();
Image img = Image.Create(doc, imagename);
replacer.AddImage(target_region, img.GetSDFObj());

// replace a text placeholder
replacer.AddString("NAME", "John Smith");

// replace text in a given region
string text = "hello world";
replacer.AddText(target_region, text);
replacer.Process(page);

PDFDoc doc(filename);
ContentReplacer replacer;
Page page = doc.GetPage(1);

// replace an image on the page
Rect target_region = page.GetMediaBox();
Image img = Image::Create(doc, imagename);
replacer.AddImage(target_region, img.GetSDFObj());

// replace a text placeholder
replacer.AddString("NAME", "John Smith");

// replace text in a given region
UString text("hello world");
replacer.AddText(target_region, text);
replacer.Process(page);

doc := NewPDFDoc(filename)
replacer := NewContentReplacer()
page := doc.GetPage(1)

// replace an image on the page
targetRegion := page.GetMediaBox()
img := ImageCreate(doc, imagename)
replacer.AddImage(targetRegion, img.GetSDFObj())

// replace a text placeholder
replacer.AddString("NAME", "John Smith")

// replace text in a given region
replacer.AddText(targetRegion, "Hello World");
replacer.Process(page)

PDFDoc doc = new PDFDoc(filename);
ContentReplacer replacer = new ContentReplacer();
Page page = doc.getPage(1);

// replace an image on the page
Rect target_region = page.GetMediaBox();
Image img = Image.create(doc, imagename);
replacer.addImage(target_region, img.getSDFObj());

// replace a text placeholder
replacer.addString("NAME", "John Smith");

// replace text in a given region
String text = "hello world";
replacer.addText(target_region, text);
replacer.process(page);

async function main() {
  const doc = await PDFNet.PDFDoc.createFromURL(filename);
  const replacer = await PDFNet.ContentReplacer.create();
  const page = await doc.getPage(1);

  // replace an image on the page
  const target_region = await page.getMediaBox();
  const img = await PDFNet.Image.createFromURL(doc, imagename);
  await replacer.addImage(target_region, await img.getSDFObj());

  // replace a text placeholder
  await replacer.addString('NAME', 'John Smith');

  // replace text in a given region
  const text = "hello world";
  await replacer.addText(target_region, text);
  await replacer.process(page);
}
PDFNet.runWithCleanup(main);

val doc = PDFDoc(filename)
val replacer = ContentReplacer()
val page = doc.getPage(1)

// replace an image on the page
val target_region = page.mediaBox
val img = Image.create(doc, imagename)
replacer.addImage(target_region, img.sdfObj)

// replace a text placeholder
replacer.addString("NAME", "John Smith")

// replace text in a given region
val text = "hello world"
replacer.addText(target_region, text)
replacer.process(page)

PTPDFDoc *doc = [[PTPDFDoc alloc] initWithFilepath: filename];
PTContentReplacer *replacer = [[PTContentReplacer alloc] init];
PTPage *page = [doc GetPage: 1];

// replace an image on the page
PTPDFRect * target_region = [page GetMediaBox];
PTImage *img = [PTImage Create: [doc GetSDFDoc] filename: imagename];
[replacer AddImage: target_region replacement_image: [img GetSDFObj]];

// replace a text placeholder
[replacer AddString: @"NAME" replacement_text: @"John Smith"];

// replace text in a given region
NSString* text = @"hello world";
[replacer AddText: target_region replacement_text: text];
[replacer Process: page];

let doc: PTPDFDoc! = PTPDFDoc(filepath: filename)
let replacer: PTContentReplacer = PTContentReplacer()
let page: PTPage = doc.getPage(1)

// replace an image on the page
let target_region: PTPDFRect = page.getMediaBox()
let img: PTImage = PTImage.create(doc.getSDFDoc(), filename: imagename)
replacer.addImage(target_region, replacement_image: img.getSDFObj())

// replace a text placeholder
replacer.add("NAME", replacement_text: "John Smith")

// replace text in a given region
let text: String = "hello world";
replacer.addText(target_region, replacement_text: text)
replacer.process(page)

$doc = new PDFDoc($filename);
$replacer = new ContentReplacer();
$page = $doc->GetPage(1);

// replace an image on the page
$target_region = $page->GetMediaBox();
$img = Image::Create($doc->GetSDFDoc(), $imagename);
$replacer->AddImage($target_region, $img->GetSDFObj());

// replace a text placeholder
$replacer->AddString("NAME", "John Smith");

// replace text in a given region
$text = "hello world";
$replacer->AddText($target_region, "hello world");
$replacer->Process($page);

doc = PDFDoc(filename)
replacer = ContentReplacer()
page = doc.GetPage(1)

# replace an image on the page
target_region = page.GetMediaBox()
img = Image.Create(doc.GetSDFDoc(), imagename)
replacer.AddImage(target_region, img.GetSDFObj())

# replace a text placeholder
replacer.AddString("NAME", "John Smith")

# replace text in a given region
text = "hello world"
replacer.AddText(target_region, "hello world")
replacer.Process(page)

doc = PDFDoc.new(filename)
replacer = ContentReplacer.new()
page = doc.GetPage(1)

# replace an image on the page
target_region = page.GetMediaBox()
img = Image.Create(doc.GetSDFDoc(), imagename)
replacer.AddImage(page.GetMediaBox(), img.GetSDFObj())

# replace a text placeholder
replacer.AddString("NAME", "John Smith")

# replace text in a given region
text = "hello world"
replacer.AddText(target_region, "hello world")
replacer.Process(page)

Dim doc As PDFDoc = New PDFDoc(filename)
Dim replacer As ContentReplacer = New ContentReplacer()
Dim page As Page = doc.GetPage(1)

' replace an image on the page
Dim target_region As Rect = page.GetMediaBox()
Dim img As Image = Image.Create(doc.GetSDFDoc(), imagename)
replacer.AddImage(page.GetMediaBox(), img.GetSDFObj())

' replace a text placeholder
replacer.AddString("NAME", "John Smith")

' replace text in a given region
Dim text As String = "hello world"
replacer.AddText(target_region, "hello world")
replacer.Process(page)

Replace PDF text or images Full code sample which shows how to use pdftron.PDF.ContentReplacer to search and replace text strings and images in existing PDF (e.g. business cards and other PDF templates). Code sample is available in C++, C#, Java, Python, Go, PHP, Ruby & VB.

PreviousWrite content

NextGraphics state

Last updated 25 days ago

Was this helpful?