/pdf/html2ps/pipeline.class.php
PHP | 1229 lines | 875 code | 242 blank | 112 comment | 72 complexity | 22094eee031d8f667f00cccc79af6dc0 MD5 | raw file
Possible License(s): LGPL-2.1, Apache-2.0
- <?php
-
- require_once(HTML2PS_DIR.'utils_array.php');
- require_once(HTML2PS_DIR.'utils_graphic.php');
- require_once(HTML2PS_DIR.'utils_url.php');
- require_once(HTML2PS_DIR.'utils_text.php');
- require_once(HTML2PS_DIR.'utils_units.php');
- require_once(HTML2PS_DIR.'utils_number.php');
-
- require_once(HTML2PS_DIR.'value.color.php');
-
- require_once(HTML2PS_DIR.'config.parse.php');
-
- require_once(HTML2PS_DIR.'flow_context.class.inc.php');
- require_once(HTML2PS_DIR.'flow_viewport.class.inc.php');
-
- require_once(HTML2PS_DIR.'output._interface.class.php');
- require_once(HTML2PS_DIR.'output._generic.class.php');
- require_once(HTML2PS_DIR.'output._generic.pdf.class.php');
- require_once(HTML2PS_DIR.'output._generic.ps.class.php');
- require_once(HTML2PS_DIR.'output.pdflib.old.class.php');
- require_once(HTML2PS_DIR.'output.pdflib.1.6.class.php');
- require_once(HTML2PS_DIR.'output.fpdf.class.php');
- require_once(HTML2PS_DIR.'output.fastps.class.php');
- require_once(HTML2PS_DIR.'output.fastps.l2.class.php');
- require_once(HTML2PS_DIR.'output.png.class.php');
- // require_once(HTML2PS_DIR.'output.pcl.class.php');
-
- require_once(HTML2PS_DIR.'stubs.common.inc.php');
-
- require_once(HTML2PS_DIR.'media.layout.inc.php');
-
- require_once(HTML2PS_DIR.'box.php');
- require_once(HTML2PS_DIR.'box.generic.php');
- require_once(HTML2PS_DIR.'box.generic.formatted.php');
- require_once(HTML2PS_DIR.'box.container.php');
- require_once(HTML2PS_DIR.'box.generic.inline.php');
- require_once(HTML2PS_DIR.'box.inline.php');
- require_once(HTML2PS_DIR.'box.inline.control.php');
-
- require_once(HTML2PS_DIR.'font.class.php');
- require_once(HTML2PS_DIR.'font_factory.class.php');
-
- require_once(HTML2PS_DIR.'box.br.php');
- require_once(HTML2PS_DIR.'box.block.php');
- require_once(HTML2PS_DIR.'box.page.php');
- require_once(HTML2PS_DIR.'box.page.margin.class.php');
- require_once(HTML2PS_DIR.'box.body.php');
- require_once(HTML2PS_DIR.'box.block.inline.php');
- require_once(HTML2PS_DIR.'box.button.php');
- require_once(HTML2PS_DIR.'box.button.submit.php');
- require_once(HTML2PS_DIR.'box.button.reset.php');
- require_once(HTML2PS_DIR.'box.checkbutton.php');
- require_once(HTML2PS_DIR.'box.form.php');
- require_once(HTML2PS_DIR.'box.frame.php');
- require_once(HTML2PS_DIR.'box.iframe.php');
- require_once(HTML2PS_DIR.'box.input.text.php');
- require_once(HTML2PS_DIR.'box.input.textarea.php');
- require_once(HTML2PS_DIR.'box.input.password.php');
- require_once(HTML2PS_DIR.'box.legend.php');
- require_once(HTML2PS_DIR.'box.list-item.php');
- require_once(HTML2PS_DIR.'box.null.php');
- require_once(HTML2PS_DIR.'box.radiobutton.php');
- require_once(HTML2PS_DIR.'box.select.php');
- require_once(HTML2PS_DIR.'box.table.php');
- require_once(HTML2PS_DIR.'box.table.cell.php');
- require_once(HTML2PS_DIR.'box.table.cell.fake.php');
- require_once(HTML2PS_DIR.'box.table.row.php');
- require_once(HTML2PS_DIR.'box.table.section.php');
-
- require_once(HTML2PS_DIR.'box.text.php');
- require_once(HTML2PS_DIR.'box.text.string.php');
- require_once(HTML2PS_DIR.'box.field.pageno.php');
- require_once(HTML2PS_DIR.'box.field.pages.php');
-
- require_once(HTML2PS_DIR.'box.whitespace.php');
-
- require_once(HTML2PS_DIR.'box.img.php'); // Inherited from the text box!
- require_once(HTML2PS_DIR.'box.input.img.php');
-
- require_once(HTML2PS_DIR.'box.utils.text-align.inc.php');
-
- require_once(HTML2PS_DIR.'manager.encoding.php');
-
- require_once(HTML2PS_DIR.'ps.unicode.inc.php');
- require_once(HTML2PS_DIR.'ps.utils.inc.php');
- require_once(HTML2PS_DIR.'ps.whitespace.inc.php');
-
- require_once(HTML2PS_DIR.'ps.image.encoder.inc.php');
- require_once(HTML2PS_DIR.'ps.image.encoder.simple.inc.php');
- require_once(HTML2PS_DIR.'ps.l2.image.encoder.stream.inc.php');
- require_once(HTML2PS_DIR.'ps.l3.image.encoder.stream.inc.php');
-
- require_once(HTML2PS_DIR.'tag.body.inc.php');
- require_once(HTML2PS_DIR.'tag.font.inc.php');
- require_once(HTML2PS_DIR.'tag.frame.inc.php');
- require_once(HTML2PS_DIR.'tag.input.inc.php');
- require_once(HTML2PS_DIR.'tag.img.inc.php');
- require_once(HTML2PS_DIR.'tag.select.inc.php');
- require_once(HTML2PS_DIR.'tag.span.inc.php');
- require_once(HTML2PS_DIR.'tag.table.inc.php');
- require_once(HTML2PS_DIR.'tag.td.inc.php');
- require_once(HTML2PS_DIR.'tag.utils.inc.php');
-
- require_once(HTML2PS_DIR.'tree.navigation.inc.php');
-
- require_once(HTML2PS_DIR.'html.attrs.inc.php');
-
- require_once(HTML2PS_DIR.'xhtml.autoclose.inc.php');
- require_once(HTML2PS_DIR.'xhtml.utils.inc.php');
- require_once(HTML2PS_DIR.'xhtml.tables.inc.php');
- require_once(HTML2PS_DIR.'xhtml.p.inc.php');
- require_once(HTML2PS_DIR.'xhtml.lists.inc.php');
- require_once(HTML2PS_DIR.'xhtml.deflist.inc.php');
- require_once(HTML2PS_DIR.'xhtml.script.inc.php');
- require_once(HTML2PS_DIR.'xhtml.entities.inc.php');
- require_once(HTML2PS_DIR.'xhtml.comments.inc.php');
- require_once(HTML2PS_DIR.'xhtml.style.inc.php');
- require_once(HTML2PS_DIR.'xhtml.selects.inc.php');
-
- require_once(HTML2PS_DIR.'background.image.php');
- require_once(HTML2PS_DIR.'background.position.php');
-
- require_once(HTML2PS_DIR.'list-style.image.php');
-
- require_once(HTML2PS_DIR.'height.php');
- require_once(HTML2PS_DIR.'width.php');
-
- require_once(HTML2PS_DIR.'css.counter.php');
- require_once(HTML2PS_DIR.'css.counter.collection.php');
-
- require_once(HTML2PS_DIR.'css.colors.inc.php');
-
- require_once(HTML2PS_DIR.'css.constants.inc.php');
- require_once(HTML2PS_DIR.'css.inc.php');
- require_once(HTML2PS_DIR.'css.state.class.php');
- require_once(HTML2PS_DIR.'css.cache.class.php');
- require_once(HTML2PS_DIR.'css.property.handler.class.php');
- require_once(HTML2PS_DIR.'css.property.stringset.class.php');
- require_once(HTML2PS_DIR.'css.property.sub.class.php');
- require_once(HTML2PS_DIR.'css.property.sub.field.class.php');
- require_once(HTML2PS_DIR.'css.utils.inc.php');
- require_once(HTML2PS_DIR.'css.parse.inc.php');
- require_once(HTML2PS_DIR.'css.parse.media.inc.php');
-
- require_once(HTML2PS_DIR.'css.background.attachment.inc.php');
- require_once(HTML2PS_DIR.'css.background.color.inc.php');
- require_once(HTML2PS_DIR.'css.background.image.inc.php');
- require_once(HTML2PS_DIR.'css.background.repeat.inc.php');
- require_once(HTML2PS_DIR.'css.background.position.inc.php');
- require_once(HTML2PS_DIR.'css.background.inc.php');
-
- require_once(HTML2PS_DIR.'css.border.inc.php');
- require_once(HTML2PS_DIR.'css.border.style.inc.php');
- require_once(HTML2PS_DIR.'css.border.collapse.inc.php');
- require_once(HTML2PS_DIR.'css.bottom.inc.php');
- require_once(HTML2PS_DIR.'css.clear.inc.php');
- require_once(HTML2PS_DIR.'css.color.inc.php');
- require_once(HTML2PS_DIR.'css.direction.inc.php');
- require_once(HTML2PS_DIR.'css.html2ps.html.content.inc.php');
- require_once(HTML2PS_DIR.'css.html2ps.pseudoelements.inc.php');
- require_once(HTML2PS_DIR.'css.html2ps.pixels.php');
- require_once(HTML2PS_DIR.'css.content.inc.php');
- require_once(HTML2PS_DIR.'css.display.inc.php');
- require_once(HTML2PS_DIR.'css.float.inc.php');
- require_once(HTML2PS_DIR.'css.font.inc.php');
- require_once(HTML2PS_DIR.'css.height.inc.php');
- require_once(HTML2PS_DIR.'css.min-height.inc.php');
- require_once(HTML2PS_DIR.'css.max-height.inc.php');
- require_once(HTML2PS_DIR.'css.left.inc.php');
- require_once(HTML2PS_DIR.'css.letter-spacing.inc.php');
-
- require_once(HTML2PS_DIR.'css.list-style-image.inc.php');
- require_once(HTML2PS_DIR.'css.list-style-position.inc.php');
- require_once(HTML2PS_DIR.'css.list-style-type.inc.php');
- require_once(HTML2PS_DIR.'css.list-style.inc.php');
-
- require_once(HTML2PS_DIR.'css.margin.inc.php');
- require_once(HTML2PS_DIR.'css.overflow.inc.php');
- require_once(HTML2PS_DIR.'css.padding.inc.php');
-
- require_once(HTML2PS_DIR.'css.page.inc.php');
- require_once(HTML2PS_DIR.'css.page-break.inc.php');
- require_once(HTML2PS_DIR.'css.page-break-after.inc.php');
- require_once(HTML2PS_DIR.'css.page-break-before.inc.php');
- require_once(HTML2PS_DIR.'css.page-break-inside.inc.php');
- require_once(HTML2PS_DIR.'css.orphans.inc.php');
- require_once(HTML2PS_DIR.'css.size.inc.php');
- require_once(HTML2PS_DIR.'css.widows.inc.php');
-
- require_once(HTML2PS_DIR.'css.position.inc.php');
- require_once(HTML2PS_DIR.'css.right.inc.php');
- require_once(HTML2PS_DIR.'css.property.declaration.php');
- require_once(HTML2PS_DIR.'css.rules.inc.php');
- require_once(HTML2PS_DIR.'css.ruleset.class.php');
- require_once(HTML2PS_DIR.'css.selectors.inc.php');
- require_once(HTML2PS_DIR.'css.table-layout.inc.php');
- require_once(HTML2PS_DIR.'css.text-align.inc.php');
- require_once(HTML2PS_DIR.'css.text-decoration.inc.php');
- require_once(HTML2PS_DIR.'css.text-transform.inc.php');
- require_once(HTML2PS_DIR.'css.text-indent.inc.php');
- require_once(HTML2PS_DIR.'css.top.inc.php');
- require_once(HTML2PS_DIR.'css.vertical-align.inc.php');
- require_once(HTML2PS_DIR.'css.visibility.inc.php');
- require_once(HTML2PS_DIR.'css.white-space.inc.php');
- require_once(HTML2PS_DIR.'css.width.inc.php');
- require_once(HTML2PS_DIR.'css.word-spacing.inc.php');
- require_once(HTML2PS_DIR.'css.z-index.inc.php');
-
- require_once(HTML2PS_DIR.'css.pseudo.add.margin.inc.php');
- require_once(HTML2PS_DIR.'css.pseudo.align.inc.php');
- require_once(HTML2PS_DIR.'css.pseudo.cellspacing.inc.php');
- require_once(HTML2PS_DIR.'css.pseudo.cellpadding.inc.php');
- require_once(HTML2PS_DIR.'css.pseudo.form.action.inc.php');
- require_once(HTML2PS_DIR.'css.pseudo.form.radiogroup.inc.php');
- require_once(HTML2PS_DIR.'css.pseudo.link.destination.inc.php');
- require_once(HTML2PS_DIR.'css.pseudo.link.target.inc.php');
- require_once(HTML2PS_DIR.'css.pseudo.listcounter.inc.php');
- require_once(HTML2PS_DIR.'css.pseudo.localalign.inc.php');
- require_once(HTML2PS_DIR.'css.pseudo.nowrap.inc.php');
- require_once(HTML2PS_DIR.'css.pseudo.table.border.inc.php');
-
- // After all CSS utilities and constants have been initialized, load the default (precomiled) CSS stylesheet
- require_once(HTML2PS_DIR.'converter.class.php');
- require_once(HTML2PS_DIR.'treebuilder.class.php');
- require_once(HTML2PS_DIR.'image.class.php');
-
- require_once(HTML2PS_DIR.'fetched_data._interface.class.php');
- require_once(HTML2PS_DIR.'fetched_data._html.class.php');
- require_once(HTML2PS_DIR.'fetched_data.url.class.php');
- require_once(HTML2PS_DIR.'fetched_data.file.class.php');
-
- require_once(HTML2PS_DIR.'filter.data._interface.class.php');
- require_once(HTML2PS_DIR.'filter.data.doctype.class.php');
-
- require_once(HTML2PS_DIR.'filter.data.utf8.class.php');
- require_once(HTML2PS_DIR.'filter.data.ucs2.class.php');
-
- require_once(HTML2PS_DIR.'filter.data.html2xhtml.class.php');
- require_once(HTML2PS_DIR.'filter.data.xhtml2xhtml.class.php');
-
- require_once(HTML2PS_DIR.'parser._interface.class.php');
- require_once(HTML2PS_DIR.'parser.xhtml.class.php');
-
- require_once(HTML2PS_DIR.'filter.pre._interface.class.php');
- require_once(HTML2PS_DIR.'filter.pre.fields.class.php');
- require_once(HTML2PS_DIR.'filter.pre.headfoot.class.php');
- require_once(HTML2PS_DIR.'filter.pre.footnotes.class.php');
- require_once(HTML2PS_DIR.'filter.pre.height-constraint.class.php');
-
- require_once(HTML2PS_DIR.'layout._interface.class.php');
- require_once(HTML2PS_DIR.'layout.default.class.php');
- require_once(HTML2PS_DIR.'layout.page.breaks.php');
-
- require_once(HTML2PS_DIR.'filter.post._interface.class.php');
- require_once(HTML2PS_DIR.'filter.post.positioned.class.php');
- require_once(HTML2PS_DIR.'filter.post.postponed.class.php');
-
- require_once(HTML2PS_DIR.'filter.output._interface.class.php');
- require_once(HTML2PS_DIR.'filter.output.ps2pdf.class.php');
- require_once(HTML2PS_DIR.'filter.output.gzip.class.php');
-
- require_once(HTML2PS_DIR.'destination._interface.class.php');
- require_once(HTML2PS_DIR.'destination._http.class.php');
- require_once(HTML2PS_DIR.'destination.browser.class.php');
- require_once(HTML2PS_DIR.'destination.download.class.php');
- require_once(HTML2PS_DIR.'destination.file.class.php');
-
- require_once(HTML2PS_DIR.'xml.validation.inc.php');
-
- require_once(HTML2PS_DIR.'content_type.class.php');
- require_once(HTML2PS_DIR.'dispatcher.class.php');
- require_once(HTML2PS_DIR.'observer.class.php');
-
- require_once(HTML2PS_DIR.'strategy.page.break.simple.php');
- require_once(HTML2PS_DIR.'strategy.page.break.smart.php');
-
- require_once(HTML2PS_DIR.'strategy.link.rendering.normal.php');
- require_once(HTML2PS_DIR.'strategy.position.absolute.php');
- require_once(HTML2PS_DIR.'strategy.width.absolute.positioned.php');
- require_once(HTML2PS_DIR.'autofix.url.php');
-
- require_once(HTML2PS_DIR.'fetcher._interface.class.php');
- require_once(HTML2PS_DIR.'features/_factory.php');
-
- class Pipeline {
- var $fetchers;
- var $data_filters;
- var $error_message;
- var $parser;
- var $pre_tree_filters;
- var $layout_engine;
- var $post_tree_filters;
- var $output_driver;
- var $output_filters;
- var $destination;
-
- var $_base_url;
-
- var $_page_at_rules;
- var $_counters;
- var $_footnotes;
-
- var $_cssState;
- var $_css;
- var $_defaultCSS;
-
- var $_dispatcher;
-
- var $_current_page_name;
-
- var $_page_break_strategy;
-
- function Pipeline() {
- $this->_css = array();
-
- $this->_counters = array();
- $this->_footnotes = array();
-
- $this->_base_url = array('');
- $this->_reset_page_at_rules();
-
- $this->pre_tree_filters = array();
-
- $this->_dispatcher =& new Dispatcher();
-
- $this->_dispatcher->add_event('before-page-heights');
- $this->_dispatcher->add_event('before-page');
- $this->_dispatcher->add_event('after-page');
- $this->_dispatcher->add_event('before-batch-item');
- $this->_dispatcher->add_event('after-batch-item');
- $this->_dispatcher->add_event('after-parse');
- $this->_dispatcher->add_event('before-document');
- $this->_dispatcher->add_event('after-document');
- $this->_dispatcher->add_event('before-batch');
- $this->_dispatcher->add_event('after-batch');
-
- $this->_page_break_strategy = new StrategyPageBreakSimple();
- }
-
- function add_feature($feature_name, $params = array()) {
- $feature_object =& FeatureFactory::get($feature_name);
- if (is_null($feature_object)) {
- die(sprintf('No feature "%s" found', $feature_name));
- };
-
- $feature_object->install($this, $params);
- }
-
- function add_fetcher(&$fetcher) {
- array_unshift($this->fetchers, $fetcher);
- }
-
- function calculate_page_heights(&$media, &$box) {
- return $this->_page_break_strategy->run($this, $media, $box);
- }
-
- function clear_box_id_map() {
- $GLOBALS['__html_box_id_map'] = array();
- }
-
- function close() {
- $this->_dispatcher->fire('after-batch', array('pipeline' => &$this));
-
- $this->output_driver->close();
- $this->_output();
- $this->output_driver->release();
-
- // Non HTML-specific cleanup
- //
- ImageFactory::clear_cache();
- }
-
- function configure($options) {
- $defaults = array('compress' => false,
- 'cssmedia' => 'screen',
- 'debugbox' => false,
- 'debugnoclip' => false,
- 'draw_page_border' => false,
- 'encoding' => '',
- 'html2xhtml' => true,
- 'imagequality_workaround' => false,
- 'landscape' => false,
- 'margins' => array('left' => 30,
- 'right' => 15,
- 'top' => 15,
- 'bottom' => 15),
- 'media' => 'A4',
- 'method' => 'fpdf',
- 'mode' => 'html',
- 'output' => 0,
- 'pagewidth' => 800,
- 'pdfversion' => "1.2",
- 'ps2pdf' => false,
- 'pslevel' => 3,
- 'renderfields' => false,
- 'renderforms' => false,
- 'renderimages' => true,
- 'renderlinks' => false,
- 'scalepoints' => true,
- 'smartpagebreak' => true,
- 'transparency_workaround' => false
- );
-
- // As a reminder: If the input arrays have the same string keys, then the later value for that key will overwrite the previous one.
- $GLOBALS['g_config'] = array_merge($defaults, $options);
-
- // Note that CSS media names should be case-insensitive
- $GLOBALS['g_config']['cssmedia'] = strtolower($GLOBALS['g_config']['cssmedia']);
-
- if ($GLOBALS['g_config']['smartpagebreak']) {
- $this->_page_break_strategy = new StrategyPageBreakSmart();
- } else {
- $this->_page_break_strategy = new StrategyPageBreakSimple();
- };
- }
-
- function _addFootnote(&$note_call) {
- $this->_footnotes[] =& $note_call;
- }
-
- // function _fillContent($content) {
- // $filled = "";
-
- // while (preg_match("/^.*?('.*?'|\".*?\"|counter\(.*?\))(.*)$/", $content, $matches)) {
- // $data = $matches[1];
- // $content = $matches[2];
-
- // if ($data{0} != '\'' && $data{0} != '"') {
- // $filled .= $this->_fillContentCounter($data);
- // } else {
- // $filled .= $this->_fillContentString($data);
- // };
- // };
-
- // return $filled;
- // }
-
- // function _fillContentString($content) {
- // $unescaped_content = css_process_escapes($content);
- // $unquoted_content = css_remove_value_quotes($unescaped_content);
- // return $unquoted_content;
- // }
-
- // function _fillContentCounter($content) {
- // preg_match("/counter\((.*?)\)/", $content, $matches);
- // return $this->_getCounter($matches[1]);
- // }
-
- function &get_counters() {
- $counter_collection =& new CSSCounterCollection();
-
- foreach ($this->_counters as $counter_name => $counter_value) {
- $counter =& new CSSCounter($counter_name);
- $counter->set($counter_value);
- $counter_collection->add($counter);
- };
-
- return $counter_collection;
- }
-
- function &get_dispatcher() {
- return $this->_dispatcher;
- }
-
- function get_counter($counter) {
- if (isset($this->_counters[$counter])) {
- return $this->_counters[$counter];
- };
-
- /**
- * CSS 2.1: Counters that are not in the scope of any
- * 'counter-reset', are assumed to have been reset to 0 by a
- * 'counter-reset' on the root element.
- */
- return 0;
- }
-
- function reset_counter($counter, $value) {
- $this->_counters[$counter] = $value;
- }
-
- function increment_counter($counter, $value) {
- $this->_counters[$counter] += $value;
- }
-
- function add_at_rule_page($at_rule) {
- $selector =& $at_rule->getSelector();
- $type = $selector->get_type();
- $this->_page_at_rules[$type][] = $at_rule;
- }
-
- function _reset_page_at_rules() {
- $this->_page_at_rules = array(CSS_PAGE_SELECTOR_ALL => array(),
- CSS_PAGE_SELECTOR_FIRST => array(),
- CSS_PAGE_SELECTOR_LEFT => array(),
- CSS_PAGE_SELECTOR_RIGHT => array(),
- CSS_PAGE_SELECTOR_NAMED => array());
- }
-
- function &get_default_css() {
- return $this->_defaultCSS;
- }
-
- function &get_current_css() {
- return $this->_css[0];
- }
-
- function &get_current_css_state() {
- return $this->_cssState[0];
- }
-
- function push_css() {
- array_unshift($this->_css, new CSSRuleset());
- }
-
- function pop_css() {
- array_shift($this->_css);
- }
-
- /**
- * Note that different pages may define different margin boxes (for
- * example, left and right pages may have different headers). In
- * this case, we should process @page rules in order of their
- * specificity (no selector < :left / :right < :first) and extract
- * margin boxes to be drawn
- *
- * @param $page_no Integer current page index (1-based)
- * @param $media
- */
- function render_margin_boxes($page_no, &$media) {
- $boxes =& $this->reflow_margin_boxes($page_no, $media);
-
- foreach ($boxes as $selector => $box) {
- $boxes[$selector]->show($this->output_driver);
- };
-
- // Memleak fix
- for ($i=0, $size = count($boxes); $i < $size; $i++) {
- $boxes[$i]->destroy();
- };
- unset($boxes);
- }
-
- function get_page_media($page_no, &$media) {
- $page_rules =& $this->get_page_rules($page_no);
- $size_landscape = $page_rules->get_property_value(CSS_SIZE);
- if (!is_null($size_landscape)) {
- $media->set_width($size_landscape['size']['width']);
- $media->set_height($size_landscape['size']['height']);
- $media->set_landscape($size_landscape['landscape']);
- };
-
- $margins = $page_rules->get_property_value(CSS_MARGIN);
- if (!is_null($margins)) {
- $media->margins['left'] = $margins->left->calc(mm2pt($media->get_width())) / mm2pt(1) / pt2pt(1);
- $media->margins['right'] = $margins->right->calc(mm2pt($media->get_width())) / mm2pt(1) / pt2pt(1);
- $media->margins['top'] = $margins->top->calc(mm2pt($media->get_height())) / mm2pt(1) / pt2pt(1);
- $media->margins['bottom'] = $margins->bottom->calc(mm2pt($media->get_height())) / mm2pt(1) / pt2pt(1);
- };
-
- $left_margin = $page_rules->get_property_value(CSS_MARGIN_LEFT);
- if (!is_null($left_margin)) {
- $media->margins['left'] = $left_margin->calc(mm2pt($media->get_width())) / mm2pt(1) / pt2pt(1);
- };
-
- $right_margin = $page_rules->get_property_value(CSS_MARGIN_RIGHT);
- if (!is_null($right_margin)) {
- $media->margins['right'] = $right_margin->calc(mm2pt($media->get_width())) / mm2pt(1) / pt2pt(1);
- };
-
- $top_margin = $page_rules->get_property_value(CSS_MARGIN_TOP);
- if (!is_null($top_margin)) {
- $media->margins['top'] = $top_margin->calc(mm2pt($media->get_height())) / mm2pt(1) / pt2pt(1);
- };
-
- $bottom_margin = $page_rules->get_property_value(CSS_MARGIN_BOTTOM);
- if (!is_null($bottom_margin)) {
- $media->margins['bottom'] = $bottom_margin->calc(mm2pt($media->get_height())) / mm2pt(1) / pt2pt(1);
- };
-
- $pixels = $page_rules->get_property_value(CSS_HTML2PS_PIXELS);
- if (!is_null($pixels)) {
- $media->set_pixels($pixels);
- };
- }
-
- function &get_page_rules($page_no) {
- $collection =& new CSSPropertyCollection();
-
- foreach ($this->_page_at_rules[CSS_PAGE_SELECTOR_ALL] as $rule) {
- $collection->merge($rule->css);
- };
-
- /**
- * Check which one of :right/:left selector is applicable (assuming that first page matches :right)
- */
- if ($page_no % 2 == 0) {
- foreach ($this->_page_at_rules[CSS_PAGE_SELECTOR_LEFT] as $rule) {
- $collection->merge($rule->css);
- };
- } else {
- foreach ($this->_page_at_rules[CSS_PAGE_SELECTOR_RIGHT] as $rule) {
- $collection->merge($rule->css);
- };
- };
-
- if ($page_no == 1) {
- foreach ($this->_page_at_rules[CSS_PAGE_SELECTOR_FIRST] as $rule) {
- $collection->merge($rule->css);
- };
- };
-
- return $collection;
- }
-
- function &reflow_page_box($page_no, &$media) {
- $rules =& $this->get_page_rules($page_no);
- $box =& BoxPage::create($this, $rules);
- $box->reflow($media);
- return $box;
- }
-
- function render_page_box($page_no, &$media) {
- $box =& $this->reflow_page_box($page_no, $media);
- $box->show($this->output_driver);
- $box->destroy();
- unset($box);
- }
-
- function &reflow_margin_boxes($page_no, &$media) {
- $at_rules = $this->_getMarginBoxes($page_no, $media);
-
- $boxes = array();
- foreach ($at_rules as $at_rule) {
- $selector = $at_rule->getSelector();
- $boxes[$selector] =& BoxPageMargin::create($this, $at_rule);
- };
-
- foreach ($boxes as $selector => $box) {
- $linebox_started = false;
- $previous_whitespace = false;
- $boxes[$selector]->reflow_whitespace($linebox_started, $previous_whitespace);
- $boxes[$selector]->reflow_text($this->output_driver);
- };
-
- foreach ($boxes as $selector => $box) {
- $boxes[$selector]->reflow($this->output_driver,
- $media,
- $boxes);
- };
-
- return $boxes;
- }
-
- /**
- * Note that "+" operation on arrays will preserve existing elements; thus
- * we need to process @page rules in order of decreasing specificity
- *
- */
- function _getMarginBoxes($page_no, $media) {
- $applicable_margin_boxes = array();
-
- /**
- * Check if :first selector is applicable
- */
- if ($page_no == 1) {
- foreach ($this->_page_at_rules[CSS_PAGE_SELECTOR_FIRST] as $rule) {
- $applicable_margin_boxes = $applicable_margin_boxes + $rule->getAtRuleMarginBoxes();
- };
- };
-
- /**
- * Check which one of :right/:left selector is applicable (assuming that first page matches :right)
- */
- if ($page_no % 2 == 0) {
- foreach ($this->_page_at_rules[CSS_PAGE_SELECTOR_LEFT] as $rule) {
- $applicable_margin_boxes = $applicable_margin_boxes + $rule->getAtRuleMarginBoxes();
- };
- } else {
- foreach ($this->_page_at_rules[CSS_PAGE_SELECTOR_RIGHT] as $rule) {
- $applicable_margin_boxes = $applicable_margin_boxes + $rule->getAtRuleMarginBoxes();
- };
- };
-
- /**
- * Extract margin boxes from plain @page rules
- */
- foreach ($this->_page_at_rules[CSS_PAGE_SELECTOR_ALL] as $rule) {
- $applicable_margin_boxes = $applicable_margin_boxes + $rule->getAtRuleMarginBoxes();
- };
-
- if (!isset($applicable_margin_boxes[CSS_MARGIN_BOX_SELECTOR_TOP])) {
- $applicable_margin_boxes[CSS_MARGIN_BOX_SELECTOR_TOP] =&
- new CSSAtRuleMarginBox(CSS_MARGIN_BOX_SELECTOR_TOP,$this);
- };
-
- if (!isset($applicable_margin_boxes[CSS_MARGIN_BOX_SELECTOR_TOP_LEFT_CORNER])) {
- $applicable_margin_boxes[CSS_MARGIN_BOX_SELECTOR_TOP_LEFT_CORNER] =&
- new CSSAtRuleMarginBox(CSS_MARGIN_BOX_SELECTOR_TOP_LEFT_CORNER,$this);
- };
-
- if (!isset($applicable_margin_boxes[CSS_MARGIN_BOX_SELECTOR_TOP_LEFT])) {
- $applicable_margin_boxes[CSS_MARGIN_BOX_SELECTOR_TOP_LEFT] =&
- new CSSAtRuleMarginBox(CSS_MARGIN_BOX_SELECTOR_TOP_LEFT,$this);
- };
-
- if (!isset($applicable_margin_boxes[CSS_MARGIN_BOX_SELECTOR_TOP_CENTER])) {
- $applicable_margin_boxes[CSS_MARGIN_BOX_SELECTOR_TOP_CENTER] =&
- new CSSAtRuleMarginBox(CSS_MARGIN_BOX_SELECTOR_TOP_CENTER,$this);
- };
-
- if (!isset($applicable_margin_boxes[CSS_MARGIN_BOX_SELECTOR_TOP_RIGHT])) {
- $applicable_margin_boxes[CSS_MARGIN_BOX_SELECTOR_TOP_RIGHT] =&
- new CSSAtRuleMarginBox(CSS_MARGIN_BOX_SELECTOR_TOP_RIGHT,$this);
- };
-
- if (!isset($applicable_margin_boxes[CSS_MARGIN_BOX_SELECTOR_TOP_RIGHT_CORNER])) {
- $applicable_margin_boxes[CSS_MARGIN_BOX_SELECTOR_TOP_RIGHT_CORNER] =&
- new CSSAtRuleMarginBox(CSS_MARGIN_BOX_SELECTOR_TOP_RIGHT_CORNER,$this);
- };
-
- if (!isset($applicable_margin_boxes[CSS_MARGIN_BOX_SELECTOR_BOTTOM])) {
- $applicable_margin_boxes[CSS_MARGIN_BOX_SELECTOR_BOTTOM] =&
- new CSSAtRuleMarginBox(CSS_MARGIN_BOX_SELECTOR_BOTTOM,$this);
- };
-
- if (!isset($applicable_margin_boxes[CSS_MARGIN_BOX_SELECTOR_BOTTOM_LEFT_CORNER])) {
- $applicable_margin_boxes[CSS_MARGIN_BOX_SELECTOR_BOTTOM_LEFT_CORNER] =&
- new CSSAtRuleMarginBox(CSS_MARGIN_BOX_SELECTOR_BOTTOM_LEFT_CORNER,$this);
- };
-
- if (!isset($applicable_margin_boxes[CSS_MARGIN_BOX_SELECTOR_BOTTOM_LEFT])) {
- $applicable_margin_boxes[CSS_MARGIN_BOX_SELECTOR_BOTTOM_LEFT] =&
- new CSSAtRuleMarginBox(CSS_MARGIN_BOX_SELECTOR_BOTTOM_LEFT,$this);
- };
-
- if (!isset($applicable_margin_boxes[CSS_MARGIN_BOX_SELECTOR_BOTTOM_CENTER])) {
- $applicable_margin_boxes[CSS_MARGIN_BOX_SELECTOR_BOTTOM_CENTER] =&
- new CSSAtRuleMarginBox(CSS_MARGIN_BOX_SELECTOR_BOTTOM_CENTER,$this);
- };
-
- if (!isset($applicable_margin_boxes[CSS_MARGIN_BOX_SELECTOR_BOTTOM_RIGHT])) {
- $applicable_margin_boxes[CSS_MARGIN_BOX_SELECTOR_BOTTOM_RIGHT] =&
- new CSSAtRuleMarginBox(CSS_MARGIN_BOX_SELECTOR_BOTTOM_RIGHT,$this);
- };
-
- if (!isset($applicable_margin_boxes[CSS_MARGIN_BOX_SELECTOR_BOTTOM_RIGHT_CORNER])) {
- $applicable_margin_boxes[CSS_MARGIN_BOX_SELECTOR_BOTTOM_RIGHT_CORNER] =&
- new CSSAtRuleMarginBox(CSS_MARGIN_BOX_SELECTOR_BOTTOM_RIGHT_CORNER,$this);
- };
-
- if (!isset($applicable_margin_boxes[CSS_MARGIN_BOX_SELECTOR_LEFT_TOP])) {
- $applicable_margin_boxes[CSS_MARGIN_BOX_SELECTOR_LEFT_TOP] =&
- new CSSAtRuleMarginBox(CSS_MARGIN_BOX_SELECTOR_LEFT_TOP,$this);
- };
-
- if (!isset($applicable_margin_boxes[CSS_MARGIN_BOX_SELECTOR_LEFT_MIDDLE])) {
- $applicable_margin_boxes[CSS_MARGIN_BOX_SELECTOR_LEFT_MIDDLE] =&
- new CSSAtRuleMarginBox(CSS_MARGIN_BOX_SELECTOR_LEFT_MIDDLE,$this);
- };
-
- if (!isset($applicable_margin_boxes[CSS_MARGIN_BOX_SELECTOR_LEFT_BOTTOM])) {
- $applicable_margin_boxes[CSS_MARGIN_BOX_SELECTOR_LEFT_BOTTOM] =&
- new CSSAtRuleMarginBox(CSS_MARGIN_BOX_SELECTOR_LEFT_BOTTOM,$this);
- };
-
- if (!isset($applicable_margin_boxes[CSS_MARGIN_BOX_SELECTOR_RIGHT_TOP])) {
- $applicable_margin_boxes[CSS_MARGIN_BOX_SELECTOR_RIGHT_TOP] =&
- new CSSAtRuleMarginBox(CSS_MARGIN_BOX_SELECTOR_RIGHT_TOP,$this);
- };
-
- if (!isset($applicable_margin_boxes[CSS_MARGIN_BOX_SELECTOR_RIGHT_MIDDLE])) {
- $applicable_margin_boxes[CSS_MARGIN_BOX_SELECTOR_RIGHT_MIDDLE] =&
- new CSSAtRuleMarginBox(CSS_MARGIN_BOX_SELECTOR_RIGHT_MIDDLE,$this);
- };
-
- if (!isset($applicable_margin_boxes[CSS_MARGIN_BOX_SELECTOR_RIGHT_BOTTOM])) {
- $applicable_margin_boxes[CSS_MARGIN_BOX_SELECTOR_RIGHT_BOTTOM] =&
- new CSSAtRuleMarginBox(CSS_MARGIN_BOX_SELECTOR_RIGHT_BOTTOM,$this);
- };
-
- return $applicable_margin_boxes;
- }
-
- function _process_item($data_id, &$media, $offset=0) {
- $this->_dispatcher->fire('before-batch-item', array('pipeline' => &$this));
-
- $box =& $this->_layout_item($data_id, $media, $offset, $context, $postponed_filter);
-
- if (is_null($box)) {
- error_log(sprintf(_('Could not fetch: %s'), (string)$data_id));
- return true;
- };
-
- $this->_show_item($box, $offset, $context, $media, $postponed_filter);
-
- // Clear CSS for this item
- $this->pop_css();
- $this->_defaultCSS = null;
-
- // Memory leak fix: caused by circular references?
- $box->destroy();
-
- $this->_dispatcher->fire('after-batch-item', array('pipeline' => &$this));
- return true;
- }
-
- function _show_item(&$box, $offset, &$context, &$media, &$postponed_filter) {
- $context->sort_absolute_positioned_by_z_index();
-
- $this->_dispatcher->fire('before-page-heights', array('pipeline' => &$this,
- 'document' => &$box,
- 'media' => &$media));
-
- // Make batch-processing offset
- $page_heights = $this->calculate_page_heights($media, $box);
- $box->offset(0, $offset);
-
- $box->reflow_anchors($this->output_driver, $this->output_driver->anchors, $page_heights);
-
- $this->_dispatcher->fire('before-document', array('pipeline' => &$this,
- 'document' => &$box,
- 'page-heights' => &$page_heights,
- 'media' => &$media));
-
- $expected_pages = count($page_heights);
- $this->output_driver->set_expected_pages($expected_pages);
- $this->reset_counter('pages', $expected_pages);
- $this->reset_counter('page', 0);
-
- // Output PDF pages using chosen PDF driver
- for ($i = 0; $i < $expected_pages; $i++) {
- $this->get_page_media(1, $media);
-
- $this->output_driver->update_media($media);
- $this->_setupScales($media);
-
- $current_page_offset = $i == 0 ? 0 : $page_heights[$i-1];
- $current_page_height = $page_heights[$i];
-
- $this->output_driver->next_page($current_page_offset);
-
- // Preparen list of postponed (floating and relative-positioned) boxes for the current page
- $postponed_filter->process($box, null, $this);
-
- $this->reset_counter('footnote', 0);
- $this->increment_counter('page', 1);
-
- $this->output_driver->save();
-
- /**
- * Note that margin boxes should be rendered before 'setup_clip', as it will trim all
- * content rendered outside the 'main' page area
- */
- $this->render_margin_boxes($i+1, $media);
- $this->render_page_box($i+1, $media);
-
- $this->output_driver->setPageHeight($current_page_height);
- $this->output_driver->setup_clip();
-
- $this->_dispatcher->fire('before-page', array('pipeline' => &$this,
- 'document' => &$box,
- 'pageno' => $i));
-
- if (is_null($box->show($this->output_driver))) {
- error_log('Pipeline::_process_item: output routine failed');
- return null;
- };
-
- /**
- * Show postponed boxes - relative and floating boxes, as they should be
- * shown over boxes on the same layer
- */
- $this->output_driver->show_postponed();
-
- $this->renderAbsolutePositioned($context);
- $this->output_driver->restore();
- $this->renderFixedPositioned($context);
- $this->renderFootnotes();
-
- global $g_config;
- if ($g_config['draw_page_border']) {
- $this->output_driver->draw_page_border();
- };
-
- $this->_dispatcher->fire('after-page', array('pipeline' => &$this,
- 'document' => &$box,
- 'pageno' => $i));
- };
-
- $this->_dispatcher->fire('after-document', array('pipeline' => &$this,
- 'document' => &$box));
- }
-
- function _output() {
- $temporary_output_filename = $this->output_driver->get_filename();
-
- for ($i=0; $i<count($this->output_filters); $i++) {
- $temporary_output_filename = $this->output_filters[$i]->process($temporary_output_filename);
- };
-
- // Determine the content type of the result
- $content_type = null;
- $i = count($this->output_filters)-1;
- while (($i >= 0) && (is_null($content_type))) {
- $content_type = $this->output_filters[$i]->content_type();
- $i--;
- };
-
- if (is_null($content_type)) {
- $content_type = $this->output_driver->content_type();
- };
-
- $this->destination->process($temporary_output_filename, $content_type);
- unlink($temporary_output_filename);
- }
-
- function set_destination(&$destination) {
- $this->destination =& $destination;
- }
-
- function set_output_driver(&$output_driver) {
- $this->output_driver =& $output_driver;
- }
-
- function &fetch($data_id) {
- if (count($this->fetchers) == 0) {
- ob_start();
- include(HTML2PS_DIR.'templates/error._no_fetchers.tpl');
- $this->error_message = ob_get_contents();
- ob_end_clean();
-
- $null = null;
- return $null;
- };
-
- // Fetch data
- for ($i=0; $i<count($this->fetchers); $i++) {
- $data = $this->fetchers[$i]->get_data($data_id);
-
- if ($data != null) {
- $this->push_base_url($this->fetchers[$i]->get_base_url());
- return $data;
- };
- };
-
- if (defined('DEBUG_MODE')) {
- error_log(sprintf('Could not fetch %s', $data_id));
- };
-
- $null = null;
- return $null;
- }
-
- function process($data_id, &$media) {
- return $this->process_batch(array($data_id), $media);
- }
-
- function _setupScales(&$media) {
- global $g_config;
- global $g_px_scale;
- global $g_pt_scale;
-
- $g_px_scale = floor(mm2pt($media->width() - $media->margins['left'] - $media->margins['right'])) / $media->pixels;
-
- if ($g_config['scalepoints']) {
- $g_pt_scale = $g_px_scale * 1.33; // This is a magic number, just don't touch it, or everything will explode!
- } else {
- $g_pt_scale = 1.0;
- };
- }
-
- /**
- * Processes an set of URLs ot once; every URL is rendered on the separate page and
- * merged to one PDF file.
- *
- * Note: to reduce peak memory requirement, URLs are processed one-after-one.
- *
- * @param Array $data_id_array Array of page identifiers to be processed (usually URLs or files paths)
- * @param Media $media Object describing the media to render for (size, margins, orientaiton & resolution)
- */
- function process_batch($data_id_array, &$media) {
- $this->clear_box_id_map();
-
- // Save and disable magic_quotes_runtime
- $mq_runtime = get_magic_quotes_runtime();
- set_magic_quotes_runtime(0);
-
- $this->_prepare($media);
-
- $this->_dispatcher->fire('before-batch', array('pipeline' => &$this));
-
- $i = 0;
- $offset = 0;
- foreach ($data_id_array as $data_id) {
- $this->_process_item($data_id, $media, $offset);
-
- $i++;
- $offset = $this->output_driver->offset;
- };
-
- $this->close();
-
- // Restore magic_quotes_runtime setting
- set_magic_quotes_runtime($mq_runtime);
-
- return true;
- }
-
- function error_message() {
- $message = file_get_contents(HTML2PS_DIR.'templates/error._header.tpl');
-
- $message .= $this->error_message;
-
- for ($i=0; $i<count($this->fetchers); $i++) {
- $message .= $this->fetchers[$i]->error_message();
- };
-
- $message .= $this->output_driver->error_message();
-
- $message .= file_get_contents(HTML2PS_DIR.'templates/error._footer.tpl');
- return $message;
- }
-
- function push_base_url($url) {
- array_unshift($this->_base_url, $url);
- }
-
- function pop_base_url() {
- array_shift($this->_base_url);
- }
-
- function get_base_url() {
- return $this->_base_url[0];
- }
-
- function &get_output_driver() {
- return $this->output_driver;
- }
-
- function guess_url($src) {
- return guess_url($src, $this->get_base_url());
- }
-
- function renderFootnotes() {
- /**
- * Render every footnote defined (note-call element is visible) on a current page
- */
-
- $footnote_y = $this->output_driver->getFootnoteTop() - FOOTNOTE_LINE_TOP_GAP - FOOTNOTE_LINE_BOTTOM_GAP;
- $footnote_x = $this->output_driver->getPageLeft();
- $footnotes_found = false;
-
- foreach ($this->_footnotes as $footnote) {
- // Note that footnote area for current page have been already defined,
- // as show_foonote is called after note-call boxes were placed.
- if ($this->output_driver->contains($footnote->_note_call_box)) {
- $footnotes_found = true;
- $footnote_y = $footnote->show_footnote($this->output_driver,
- $footnote_x,
- $footnote_y);
- $footnote_y -= FOOTNOTE_GAP;
- };
- };
-
- /**
- * Draw thin line separating footnotes from page content
- */
- if ($footnotes_found) {
- $this->output_driver->setrgbcolor(0,0,0);
- $this->output_driver->moveto($this->output_driver->getPageLeft(),
- $this->output_driver->getFootnoteTop() - FOOTNOTE_LINE_TOP_GAP);
- $this->output_driver->lineto($this->output_driver->getPageLeft() + $this->output_driver->getPageWidth()*FOOTNOTE_LINE_PERCENT/100,
- $this->output_driver->getFootnoteTop() - FOOTNOTE_LINE_TOP_GAP);
- $this->output_driver->stroke();
- };
- }
-
- function renderAbsolutePositioned(&$context) {
- for ($j=0, $size = count($context->absolute_positioned); $j<$size; $j++) {
- $current_box =& $context->absolute_positioned[$j];
- if ($current_box->get_css_property(CSS_VISIBILITY) === VISIBILITY_VISIBLE) {
- $this->output_driver->save();
- $current_box->_setupClip($this->output_driver);
- if (is_null($current_box->show($this->output_driver))) {
- return null;
- };
- $this->output_driver->restore();
- };
- };
- $this->output_driver->show_postponed_in_absolute();
- }
-
- function renderFixedPositioned(&$context) {
- for ($j=0, $size = count($context->fixed_positioned); $j<$size; $j++) {
- $current_box =& $context->fixed_positioned[$j];
- if ($current_box->get_css_property(CSS_VISIBILITY) === VISIBILITY_VISIBLE) {
- $this->output_driver->save();
- $current_box->_setupClip($this->output_driver);
- if (is_null($current_box->show_fixed($this->output_driver))) {
- return null;
- };
- $this->output_driver->restore();
- };
- };
- $this->output_driver->show_postponed_in_fixed();
- }
-
- function _prepare(&$media) {
- $this->_setupScales($media);
- $GLOBALS['g_media'] =& $media;
- $this->output_driver->reset($media);
- }
-
- function reset_css() {
- $css_cache = CSSCache::get();
- $this->_defaultCSS = $css_cache->compile('resource://default.css',
- file_get_contents(HTML2PS_DIR.'default.css'),
- $this);
- $this->_css = array();
- $this->push_css();
-
- $this->_cssState = array(new CSSState(CSS::get()));
- }
-
- function &_layout_item($data_id, &$media, $offset, &$context, &$postponed_filter) {
- $this->_reset_page_at_rules();
-
- $this->reset_css();
-
- $font = $this->_cssState[0]->get_property(CSS_FONT);
- $font->units2pt(0);
- $this->_cssState[0]->set_property(CSS_FONT, $font);
-
- $data = $this->fetch($data_id);
-
- if (is_null($data)) {
- $dummy = null;
- return $dummy;
- };
-
- // Run raw data filters
- for ($i = 0; $i < count($this->data_filters); $i++) {
- $data = $this->data_filters[$i]->process($data);
- };
-
- // Parse the raw data
- $box =& $this->parser->process($data->get_content(), $this, $media);
-
- $this->_dispatcher->fire('after-parse', array('pipeline' => &$this,
- 'document' => &$box,
- 'media' => $media));
-
- /**
- * Run obligatory tree filters
- */
-
- /**
- * height-constraint processing filter;
- */
- $filter = new PreTreeFilterHeightConstraint();
- $filter->process($box, $data, $this);
-
- /**
- * Footnote support filter
- */
- $filter = new PreTreeFilterFootnotes();
- $filter->process($box, $data, $this);
-
- // Run pre-layout tree filters
- for ($i=0, $size = count($this->pre_tree_filters); $i < $size; $i++) {
- $this->pre_tree_filters[$i]->process($box, $data, $this);
- };
-
- $context = new FlowContext;
-
- /**
- * Extract absolute/fixed positioned boxes
- */
- $positioned_filter = new PostTreeFilterPositioned($context);
- $positioned_filter->process($box, null, $this);
-
- $postponed_filter = new PostTreeFilterPostponed($this->output_driver);
- $postponed_filter->process($box, null, $this);
-
- $this->output_driver->prepare();
-
- // Force generation of custom characters for margin boxes
- for ($i = 0; $i <= 1; $i++) {
- $this->get_page_media(1, $media);
- $at_rules = $this->_getMarginBoxes($i, $media);
-
- $boxes = array();
- foreach ($at_rules as $at_rule) {
- $selector = $at_rule->getSelector();
- $boxes[$selector] =& BoxPageMargin::create($this, $at_rule);
- };
- };
-
- $status = $this->layout_engine->process($box, $media, $this->output_driver, $context);
- if (is_null($status)) {
- error_log('Pipeline::_process_item: layout routine failed');
- $dummy = null;
- return $dummy;
- };
-
- // Run post-layout tree filters
- for ($i=0; $i<count($this->post_tree_filters); $i++) {
- $this->post_tree_filters[$i]->process($box);
- };
-
- return $box;
- }
-
- function &getDispatcher() {
- return $this->_dispatcher;
- }
-
- function get_current_page_name() {
- return $this->_current_page_name;
- }
-
- function set_current_page_name($name) {
- $this->_current_page_name = $name;
- }
- }
-
- ?>