Файл: billing/_rootinc/dompdf/include/text_frame_decorator.cls.php
Строк: 219
<?php
/**
* DOMPDF - PHP5 HTML to PDF renderer
*
* File: $RCSfile: text_frame_decorator.cls.php,v $
* Created on: 2004-06-04
*
* Copyright (c) 2004 - Benj Carson <benjcarson@digitaljunkies.ca>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library in the file LICENSE.LGPL; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
* 02111-1307 USA
*
* Alternatively, you may distribute this software under the terms of the
* PHP License, version 3.0 or later. A copy of this license should have
* been distributed with this file in the file LICENSE.PHP . If this is not
* the case, you can obtain a copy at http://www.php.net/license/3_0.txt.
*
* The latest version of DOMPDF might be available at:
* http://www.digitaljunkies.ca/dompdf
*
* @link http://www.digitaljunkies.ca/dompdf
* @copyright 2004 Benj Carson
* @author Benj Carson <benjcarson@digitaljunkies.ca>
* @package dompdf
* @version 0.5.1
*/
/* $Id: text_frame_decorator.cls.php 186 2009-10-19 22:42:06Z eclecticgeek@gmail.com $ */
/**
* Decorates Frame objects for text layout
*
* @access private
* @package dompdf
*/
class Text_Frame_Decorator extends Frame_Decorator {
// protected members
protected $_text_spacing;
function __construct(Frame $frame, DOMPDF $dompdf) {
if ( $frame->get_node()->nodeName != "#text" )
throw new DOMPDF_Exception("Text_Decorator can only be applied to #text nodes.");
parent::__construct($frame, $dompdf);
$this->_text_spacing = null;
}
//........................................................................
function reset() {
parent::reset();
$this->_text_spacing = null;
}
//........................................................................
// Accessor methods
function get_text_spacing() { return $this->_text_spacing; }
function get_text() {
// FIXME: this should be in a child class (and is incorrect)
if ( $this->_frame->get_style()->content !== "normal" ) {
$this->_frame->get_node()->data = $this->_frame->get_style()->content;
$this->_frame->get_style()->content = "normal";
}
// pre_r("---");
// $style = $this->_frame->get_style();
// var_dump($text = $this->_frame->get_node()->data);
// var_dump($asc = utf8_decode($text));
// for ($i = 0; $i < strlen($asc); $i++)
// pre_r("$i: " . $asc{$i} . " - " . ord($asc{$i}));
// pre_r("width: " . Font_Metrics::get_text_width($text, $style->font_family, $style->font_size));
return $this->_frame->get_node()->data;
}
//........................................................................
// Vertical margins & padding do not apply to text frames
// http://www.w3.org/TR/CSS21/visudet.html#inline-non-replaced:
//
// The vertical padding, border and margin of an inline, non-replaced box
// start at the top and bottom of the content area, not the
// 'line-height'. But only the 'line-height' is used to calculate the
// height of the line box.
function get_margin_height() {
// This function is called in add_frame_to_line() and is used to
// determine the line height, so we actually want to return the
// 'line-height' property, not the actual margin box
$style = $this->get_style();
$font = $style->font_family;
$size = $style->font_size;
/*
pre_r('-----');
pre_r($style->line_height);
pre_r($style->font_size);
pre_r(Font_Metrics::get_font_height($font, $size));
pre_r(($style->line_height / $size) * Font_Metrics::get_font_height($font, $size));
*/
return ($style->line_height / $size) * Font_Metrics::get_font_height($font, $size);
}
function get_padding_box() {
$pb = $this->_frame->get_padding_box();
$pb[3] = $pb["h"] = $this->_frame->get_style()->height;
return $pb;
}
//........................................................................
// Set method
function set_text_spacing($spacing) {
$this->_text_spacing = $spacing;
$style = $this->_frame->get_style();
// Re-adjust our width to account for the change in spacing
$style->width = Font_Metrics::get_text_width($this->get_text(), $style->font_family, $style->font_size, $spacing);
}
//........................................................................
// Recalculate the text width
function recalculate_width() {
$style = $this->get_style();
$text = $this->get_text();
$size = $style->font_size;
$font = $style->font_family;
$word_spacing = $style->length_in_pt($style->word_spacing);
$style->width = Font_Metrics::get_text_width($text, $font, $size, $word_spacing);
}
//........................................................................
// Text manipulation methods
// split the text in this frame at the offset specified. The remaining
// text is added a sibling frame following this one and is returned.
function split_text($offset) {
if ( $offset == 0 )
return;
$split = $this->_frame->get_node()->splitText($offset);
$deco = $this->copy($split);
$p = $this->get_parent();
$p->insert_child_after($deco, $this, false);
if ( $p instanceof Inline_Frame_Decorator )
$p->split($deco);
}
//........................................................................
function delete_text($offset, $count) {
$this->_frame->get_node()->deleteData($offset, $count);
}
//........................................................................
function set_text($text) {
$this->_frame->get_node()->data = $text;
}
}
?>