123 lines
3.7 KiB
PHP
123 lines
3.7 KiB
PHP
<?php
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/**
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* E041_layers_visibility.php
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*
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* @since 2017-05-08
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* @category Library
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* @package Pdf
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* @author Nicola Asuni <info@tecnick.com>
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* @copyright 2002-2026 Nicola Asuni - Tecnick.com LTD
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* @license https://www.gnu.org/copyleft/lesser.html GNU-LGPL v3 (see LICENSE)
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* @link https://github.com/tecnickcom/tc-lib-pdf
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*
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* This file is part of tc-lib-pdf software library.
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*/
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// NOTE: local file reads (images, fonts, attachments) are restricted to an allowlist of
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// trusted paths that covers this package tree, so run the examples in place. To read assets
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// from other locations, list them in the 'allowedPaths' entry of the fileOptions constructor
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// parameter (see E047_remote_resources_security.php).
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// NOTE: run make fonts in the project root to generate the dependencies and example fonts.
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// autoloader when using Composer
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require __DIR__ . '/../vendor/autoload.php';
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\define('OUTPUT_FILE', \realpath(__DIR__ . '/../target') . '/example.pdf');
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// define fonts directory
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\define('K_PATH_FONTS', \realpath(__DIR__ . '/../vendor/tecnickcom/tc-lib-pdf-font/target/fonts'));
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// autoloader when using RPM or DEB package installation
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//require ('/usr/share/php/Com/Tecnick/Pdf/autoload.php');
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// main TCPDF object
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$pdf = new \Com\Tecnick\Pdf\Tcpdf(
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unit: \Com\Tecnick\Pdf\Page\Unit::Millimeter,
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isunicode: true,
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subsetfont: false,
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compress: true,
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mode: \Com\Tecnick\Pdf\PdfConformance::None,
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objEncrypt: null,
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);
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// ----------
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$pdf->setCreator('tc-lib-pdf');
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$pdf->setAuthor('Nicola Asuni');
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$pdf->setSubject('tc-lib-pdf example: 041');
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$pdf->setTitle('Layer Visibility (OCG)');
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$pdf->setKeywords('TCPDF tc-lib-pdf layers visibility OCG optional content groups');
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$pdf->setPDFFilename('041_layers_visibility.pdf');
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$pdf->setViewerPreferences(['DisplayDocTitle' => true]);
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$pdf->enableDefaultPageContent();
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// ----------
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// Insert fonts
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$bfont1 = $pdf->font->insert($pdf->pon, 'helvetica', '', 14);
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// test images directory
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$imgdir = \realpath(__DIR__ . '/../vendor/tecnickcom/tc-lib-pdf-image/test/images/');
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// ----------
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// Layers
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$page1 = $pdf->addPage();
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$pdf->page->addContent($pdf->getTextCell(
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txt: 'Layers and Optional Content Groups',
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posx: 15,
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posy: 15,
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width: 180,
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height: 8,
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));
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$pdf->page->addContent($pdf->getTextCell(
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txt: 'This page contains objects assigned to different visibility layers.',
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posx: 15,
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posy: 28,
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width: 180,
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height: 6,
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));
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$pdf->page->addContent($pdf->getTextCell('Always visible text', 15, 40, 120, 7, 0, 0, 'T', 'L', drawcell: true));
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$lyrScreen = $pdf->newLayer(name: 'screen_only', intent: ['view' => true], print: false, view: true, lock: false);
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$pdf->page->addContent($lyrScreen);
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$pdf->page->addContent($pdf->getTextCell('Screen-only layer content', 15, 54, 120, 7, 0, 0, 'T', 'L', drawcell: true));
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$pdf->page->addContent($pdf->closeLayer());
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$lyrPrint = $pdf->newLayer(name: 'print_only', intent: ['design' => true], print: true, view: false, lock: false);
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$pdf->page->addContent($lyrPrint);
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$pdf->page->addContent($pdf->getTextCell('Print-only layer content', 15, 66, 120, 7, 0, 0, 'T', 'L', drawcell: true));
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$pdf->page->addContent($pdf->closeLayer());
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$pdf->page->addContent($pdf->getTextCell(
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txt: 'Viewer support for layer toggles varies by PDF reader.',
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posx: 15,
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posy: 82,
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width: 180,
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height: 6,
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));
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// =============================================================
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// ----------
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// get PDF document as raw string
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$rawpdf = $pdf->getOutPDFString();
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// ----------
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// Various output modes:
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//$pdf->savePDF(\dirname(__DIR__).'/target', $rawpdf);
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$pdf->renderPDF(rawpdf: $rawpdf);
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//$pdf->downloadPDF($rawpdf);
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//echo $pdf->getMIMEAttachmentPDF($rawpdf);
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