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Primer commit del sistema avantika sin cambios

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nickpons666
2026-01-06 19:42:24 -06:00
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pdf/include/image_frame_reflower.cls.php Executable file
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<?php
/**
* DOMPDF - PHP5 HTML to PDF renderer
*
* File: $RCSfile: image_frame_reflower.cls.php,v $
* Created on: 2004-08-08
*
* 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.dompdf.com/
*
* @link http://www.dompdf.com/
* @copyright 2004 Benj Carson
* @author Benj Carson <benjcarson@digitaljunkies.ca>
* @contributor Helmut Tischer <htischer@weihenstephan.org>
* @package dompdf
*
* Changes
* @contributor Helmut Tischer <htischer@weihenstephan.org>
* @version 0.5.1.htischer.20090507
* - Fix image size as percent of wrapping box
* - Fix arithmetic rounding of image size
* - Time consuming additional image file scan only when really needed
*/
/* $Id: image_frame_reflower.cls.php 357 2011-01-30 20:56:46Z fabien.menager $ */
/**
* Image reflower class
*
* @access private
* @package dompdf
*/
class Image_Frame_Reflower extends Frame_Reflower {
function __construct(Image_Frame_Decorator $frame) {
parent::__construct($frame);
}
function reflow(Frame_Decorator $block = null) {
$this->_frame->position();
//FLOAT
//$frame = $this->_frame;
//$page = $frame->get_root();
//if (DOMPDF_ENABLE_CSS_FLOAT && $frame->get_style()->float !== "none" ) {
// $page->add_floating_frame($this);
//}
// Set the frame's width
$this->get_min_max_width();
if ( $block ) {
$block->add_frame_to_line($this->_frame);
}
}
function get_min_max_width() {
if (DEBUGPNG) {
// Determine the image's size. Time consuming. Only when really needed?
list($img_width, $img_height) = dompdf_getimagesize($this->_frame->get_image_url());
print "get_min_max_width() ".
$this->_frame->get_style()->width.' '.
$this->_frame->get_style()->height.';'.
$this->_frame->get_parent()->get_style()->width." ".
$this->_frame->get_parent()->get_style()->height.";".
$this->_frame->get_parent()->get_parent()->get_style()->width.' '.
$this->_frame->get_parent()->get_parent()->get_style()->height.';'.
$img_width. ' '.
$img_height.'|' ;
}
$style = $this->_frame->get_style();
//own style auto or invalid value: use natural size in px
//own style value: ignore suffix text including unit, use given number as px
//own style %: walk up parent chain until found available space in pt; fill available space
//
//special ignored unit: e.g. 10ex: e treated as exponent; x ignored; 10e completely invalid ->like auto
$width = ($style->width > 0 ? $style->width : 0);
if ( is_percent($width) ) {
$t = 0.0;
for ($f = $this->_frame->get_parent(); $f; $f = $f->get_parent()) {
$t = (float)($f->get_style()->width); //always in pt
if ((float)$t != 0) {
break;
}
}
$width = ((float)rtrim($width,"%") * $t)/100; //maybe 0
} elseif ( !mb_strpos($width, 'pt') ) {
// Don't set image original size if "%" branch was 0 or size not given.
// Otherwise aspect changed on %/auto combination for width/height
// Resample according to px per inch
// See also List_Bullet_Image_Frame_Decorator::__construct
$width = (float)($width * 72) / DOMPDF_DPI;
}
$height = ($style->height > 0 ? $style->height : 0);
if ( is_percent($height) ) {
$t = 0.0;
for ($f = $this->_frame->get_parent(); $f; $f = $f->get_parent()) {
$t = (float)($f->get_style()->height); //always in pt
if ((float)$t != 0) {
break;
}
}
$height = ((float)rtrim($height,"%") * $t)/100; //maybe 0
} elseif ( !mb_strpos($height, 'pt') ) {
// Don't set image original size if "%" branch was 0 or size not given.
// Otherwise aspect changed on %/auto combination for width/height
// Resample according to px per inch
// See also List_Bullet_Image_Frame_Decorator::__construct
$height = (float)($height * 72) / DOMPDF_DPI;
}
if ($width == 0 || $height == 0) {
// Determine the image's size. Time consuming. Only when really needed!
list($img_width, $img_height) = dompdf_getimagesize($this->_frame->get_image_url());
// don't treat 0 as error. Can be downscaled or can be catched elsewhere if image not readable.
// Resample according to px per inch
// See also List_Bullet_Image_Frame_Decorator::__construct
if ($width == 0 && $height == 0) {
$width = (float)($img_width * 72) / DOMPDF_DPI;
$height = (float)($img_height * 72) / DOMPDF_DPI;
} elseif ($height == 0 && $width != 0) {
$height = ($width / $img_width) * $img_height; //keep aspect ratio
} elseif ($width == 0 && $height != 0) {
$width = ($height / $img_height) * $img_width; //keep aspect ratio
}
}
if (DEBUGPNG) print $width.' '.$height.';';
$style->width = $width . "pt";
$style->height = $height . "pt";
return array( $width, $width, "min" => $width, "max" => $width);
}
}