Exemple #1
0
$opt_settings->SetGrayScaleImageSettings($image_settings);
// use the same settings for both color and grayscale images
Optimizer::Optimize($doc, $opt_settings);
$doc->Save($output_path . $input_filename . "_opt2.pdf", SDFDoc::e_linearized);
$doc->Close();
//--------------------------------------------------------------------------------
// Example 3) Use monochrome image settings and default settings
// for color and grayscale images.
$doc = new PDFDoc($input_path . $input_filename . ".pdf");
$doc->InitSecurityHandler();
$mono_image_settings = new MonoImageSettings();
$mono_image_settings->SetCompressionMode(MonoImageSettings::e_jbig2);
$mono_image_settings->ForceRecompression(true);
$opt_settings = new OptimizerSettings();
$opt_settings->SetMonoImageSettings($mono_image_settings);
Optimizer::Optimize($doc, $opt_settings);
$doc->Save($output_path . $input_filename . "_opt3.pdf", SDFDoc::e_linearized);
$doc->Close();
// ----------------------------------------------------------------------
// Example 4) Use Flattener to simplify content in this document
// using default settings
$doc = new PDFDoc($input_path . "TigerText.pdf");
$doc->InitSecurityHandler();
$fl = new Flattener();
// The following lines can increase the resolution of background
// images.
//$fl->SetDPI(300);
//$fl->SetMaximumImagePixels(5000000);
// This line can be used to output Flate compressed background
// images rather than DCTDecode compressed images which is the default
//$fl->SetPreferJPG(false);