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Edit File : ListBullet.php \| Size : 2.79 KB
<?php /** * @package dompdf * @link http://dompdf.github.com/ * @author Benj Carson <benjcarson@digitaljunkies.ca> * @author Helmut Tischer <htischer@weihenstephan.org> * @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License / namespace Dompdf\Positioner; use Dompdf\FrameDecorator\AbstractFrameDecorator; /* * Positions list bullets * * @package dompdf / class ListBullet extends AbstractPositioner { /* * @param AbstractFrameDecorator $frame / function position(AbstractFrameDecorator $frame) { // Bullets & friends are positioned an absolute distance to the left of // the content edge of their parent element $cb = $frame->get_containing_block(); // Note: this differs from most frames in that we must position // ourselves after determining our width $x = $cb["x"] - $frame->get_width(); $p = $frame->find_block_parent(); $y = $p->get_current_line_box()->y; // This is a bit of a hack... $n = $frame->get_next_sibling(); if ($n) { $style = $n->get_style(); $line_height = $style->line_height; // TODO: should offset take into account the line height of the next sibling (per previous logic)? // $offset = (float)$style->length_in_pt($line_height, $n->get_containing_block("h")) - $frame->get_height(); $offset = $line_height - $frame->get_height(); $y += $offset / 2; } // Now the position is the left top of the block which should be marked with the bullet. // We tried to find out the y of the start of the first text character within the block. // But the top margin/padding does not fit, neither from this nor from the next sibling // The "bit of a hack" above does not work also. // Instead let's position the bullet vertically centered to the block which should be marked. // But for get_next_sibling() the get_containing_block is all zero, and for find_block_parent() // the get_containing_block is paper width and the entire list as height. // if ($p) { // //$cb = $n->get_containing_block(); // $cb = $p->get_containing_block(); // $y += $cb["h"]/2; // print 'cb:'.$cb["x"].':'.$cb["y"].':'.$cb["w"].':'.$cb["h"].':'; // } // Todo: // For now give up on the above. Use Guesswork with font y-pos in the middle of the line spacing /$style = $p->get_style(); $font_size = $style->font_size; $line_height = (float)$style->length_in_pt($style->line_height, $font_size); $y += ($line_height - $font_size) / 2; */ //Position is x-end y-top of character position of the bullet. $frame->set_position($x, $y); } } Back

Edit File : ListBullet.php | Size : 2.79 KB

<?php
/**
 * @package dompdf
 * @link    http://dompdf.github.com/
 * @author  Benj Carson <benjcarson@digitaljunkies.ca>
 * @author  Helmut Tischer <htischer@weihenstephan.org>
 * @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
 */

namespace Dompdf\Positioner;

use Dompdf\FrameDecorator\AbstractFrameDecorator;

/**
 * Positions list bullets
 *
 * @package dompdf
 */
class ListBullet extends AbstractPositioner
{

/**
     * @param AbstractFrameDecorator $frame
     */
    function position(AbstractFrameDecorator $frame)
    {

// Bullets & friends are positioned an absolute distance to the left of
        // the content edge of their parent element
        $cb = $frame->get_containing_block();

// Note: this differs from most frames in that we must position
        // ourselves after determining our width
        $x = $cb["x"] - $frame->get_width();

$p = $frame->find_block_parent();

$y = $p->get_current_line_box()->y;

// This is a bit of a hack...
        $n = $frame->get_next_sibling();
        if ($n) {
            $style = $n->get_style();
            $line_height = $style->line_height;
            // TODO: should offset take into account the line height of the next sibling (per previous logic)?
            // $offset = (float)$style->length_in_pt($line_height, $n->get_containing_block("h")) - $frame->get_height();
            $offset = $line_height - $frame->get_height();
            $y += $offset / 2;
        }

// Now the position is the left top of the block which should be marked with the bullet.
        // We tried to find out the y of the start of the first text character within the block.
        // But the top margin/padding does not fit, neither from this nor from the next sibling
        // The "bit of a hack" above does not work also.

// Instead let's position the bullet vertically centered to the block which should be marked.
        // But for get_next_sibling() the get_containing_block is all zero, and for find_block_parent()
        // the get_containing_block is paper width and the entire list as height.

// if ($p) {
        //   //$cb = $n->get_containing_block();
        //   $cb = $p->get_containing_block();
        //   $y += $cb["h"]/2;
        // print 'cb:'.$cb["x"].':'.$cb["y"].':'.$cb["w"].':'.$cb["h"].':';
        // }

// Todo:
        // For now give up on the above. Use Guesswork with font y-pos in the middle of the line spacing

/*$style = $p->get_style();
        $font_size = $style->font_size;
        $line_height = (float)$style->length_in_pt($style->line_height, $font_size);
        $y += ($line_height - $font_size) / 2;    */

//Position is x-end y-top of character position of the bullet.
        $frame->set_position($x, $y);
    }
}

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