break;
}
}
}
// Initialize PDFNet
PDFNet::Initialize();
// Example 1:
// Extract images by traversing the display list for
// every page. With this approach it is possible to obtain
// image positioning information and DPI.
$doc = new PDFDoc($input_path . "newsletter.pdf");
$doc->InitSecurityHandler();
$reader = new ElementReader();
// Read every page
for ($itr = $doc->GetPageIterator(); $itr->HasNext(); $itr->Next()) {
$reader->Begin($itr->Current());
ImageExtract($reader);
$reader->End();
}
$doc->Close();
echo nl2br("Done...\n");
echo nl2br("----------------------------------------------------------------\n");
// Example 2:
// Extract images by scanning the low-level document.
$doc = new PDFDoc($input_path . "newsletter.pdf");
$doc->InitSecurityHandler();
$image_counter = 0;
$cos_doc = $doc->GetSDFDoc();
$num_objs = $cos_doc->XRefSize();
for ($i = 1; $i < $num_objs; ++$i) {
$obj = $cos_doc->GetObj($i);
// Finish the block of text
$writer->WriteElement($builder->CreateTextEnd());
// Draw an image that will be clipped by the above text
$writer->WriteElement($builder->CreateImage($img, 10.0, 100.0, 1300.0, 720.0));
$writer->End();
// save changes to the current page
$doc->PagePushBack($page);
// Start a new page ------------------------------------
//
// The example illustrates how to embed the external font in a PDF document.
// The example also shows how ElementReader can be used to copy and modify
// Elements between pages.
$reader = new ElementReader();
// Start reading Elements from the last page. We will copy all Elements to
// a new page but will modify the font associated with text.
$reader->Begin($doc->GetPage($doc->GetPageCount()));
$page = $doc->PageCreate(new Rect(0.0, 0.0, 1300.0, 794.0));
$writer->Begin($page);
// begin writing to this page
$builder->Reset();
// Reset the GState to default
// Embed an external font in the document.
$font = Font::CreateTrueTypeFont($doc->GetSDFDoc(), $input_path . "font.ttf");
while (($element = $reader->Next()) != null) {
if ($element->GetType() == Element::e_text) {
$element->GetGState()->SetFont($font, 12);
}
$writer->WriteElement($element);
}
$reader->End();
$writer->End();
$file_sz = $file->FileSize();
$file_reader = new FilterReader($file);
$mem = $file_reader->Read($file_sz);
$test = array();
for ($i = 0; $i < strlen($mem); $i++) {
$test[] = ord($mem[$i]);
}
$doc = new PDFDoc($mem, $file_sz);
$doc->InitSecurityHandler();
$num_pages = $doc->GetPageCount();
$writer = new ElementWriter();
$reader = new ElementReader();
// Create a duplicate of every page but copy only path objects
for ($i = 1; $i <= $num_pages; ++$i) {
$itr = $doc->GetPageIterator(2 * $i - 1);
$reader->Begin($itr->Current());
$new_page = $doc->PageCreate($itr->Current()->GetMediaBox());
$next_page = $itr;
$next_page->Next();
$doc->PageInsert($next_page, $new_page);
$writer->Begin($new_page);
while (($element = $reader->Next()) != null) {
//if ($element->GetType() == Element::e_path)
$writer->WriteElement($element);
}
$writer->End();
$reader->End();
}
$doc->Save($output_path . "doc_memory_edit.pdf", SDFDoc::e_remove_unused);
// Save the document to a memory buffer.
$buffer = $doc->Save(SDFDoc::e_remove_unused);
$writer->WriteElement($element);
}
}
}
PDFNet::Initialize();
echo nl2br("-------------------------------------------------\n");
// Open the test file
echo nl2br("Opening the input file...\n");
$doc = new PDFDoc($input_path . $input_filename);
$doc->InitSecurityHandler();
$writer = new ElementWriter();
$reader = new ElementReader();
$itr = $doc->GetPageIterator();
while ($itr->HasNext()) {
$page = $itr->Current();
$reader->Begin($page);
$writer->Begin($page, ElementWriter::e_replacement, false);
$map1 = array();
ProcessElements($reader, $writer, $map1);
$writer->End();
$reader->End();
$map2 = array();
while (!(empty($map1) && empty($map2))) {
foreach ($map1 as $k => $v) {
$obj = $v;
$writer->Begin($obj);
$reader->Begin($obj, $page->GetResourceDict());
ProcessElements($reader, $writer, $map2);
$reader->End();
$writer->End();
unset($map1[$k]);
