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<?php
/**
* Zend Framework
*
* LICENSE
*
* This source file is subject to the new BSD license that is bundled
* with this package in the file LICENSE.txt.
* It is also available through the world-wide-web at this URL:
* http://framework.zend.com/license/new-bsd
* If you did not receive a copy of the license and are unable to
* obtain it through the world-wide-web, please send an email
* to license@zend.com so we can send you a copy immediately.
*
* @category Zend
* @package Zend_Pdf
* @subpackage Destination
* @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
* @version $Id$
*/
/** Internally used classes */
// require_once 'Zend/Pdf/Element/Array.php';
// require_once 'Zend/Pdf/Element/Name.php';
// require_once 'Zend/Pdf/Element/Null.php';
// require_once 'Zend/Pdf/Element/Numeric.php';
/** Zend_Pdf_Destination_Explicit */
// require_once 'Zend/Pdf/Destination/Explicit.php';
/**
* Zend_Pdf_Destination_Zoom explicit detination
*
* Destination array: [page /XYZ left top zoom]
*
* Display the page designated by page, with the coordinates (left, top) positioned
* at the upper-left corner of the window and the contents of the page
* magnified by the factor zoom. A null value for any of the parameters left, top,
* or zoom specifies that the current value of that parameter is to be retained unchanged.
* A zoom value of 0 has the same meaning as a null value.
*
* @package Zend_Pdf
* @subpackage Destination
* @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
class Zend_Pdf_Destination_Zoom extends Zend_Pdf_Destination_Explicit
{
/**
* Create destination object
*
* @param Zend_Pdf_Page|integer $page Page object or page number
* @param float $left Left edge of displayed page
* @param float $top Top edge of displayed page
* @param float $zoom Zoom factor
* @return Zend_Pdf_Destination_Zoom
* @throws Zend_Pdf_Exception
*/
public static function create($page, $left = null, $top = null, $zoom = null)
{
$destinationArray = new Zend_Pdf_Element_Array();
if ($page instanceof Zend_Pdf_Page) {
$destinationArray->items[] = $page->getPageDictionary();
} else if (is_integer($page)) {
$destinationArray->items[] = new Zend_Pdf_Element_Numeric($page);
} else {
// require_once 'Zend/Pdf/Exception.php';
throw new Zend_Pdf_Exception('Page entry must be a Zend_Pdf_Page object or a page number.');
}
$destinationArray->items[] = new Zend_Pdf_Element_Name('XYZ');
if ($left === null) {
$destinationArray->items[] = new Zend_Pdf_Element_Null();
} else {
$destinationArray->items[] = new Zend_Pdf_Element_Numeric($left);
}
if ($top === null) {
$destinationArray->items[] = new Zend_Pdf_Element_Null();
} else {
$destinationArray->items[] = new Zend_Pdf_Element_Numeric($top);
}
if ($zoom === null) {
$destinationArray->items[] = new Zend_Pdf_Element_Null();
} else {
$destinationArray->items[] = new Zend_Pdf_Element_Numeric($zoom);
}
return new Zend_Pdf_Destination_Zoom($destinationArray);
}
/**
* Get left edge of the displayed page (null means viewer application 'current value')
*
* @return float
*/
public function getLeftEdge()
{
return $this->_destinationArray->items[2]->value;
}
/**
* Set left edge of the displayed page (null means viewer application 'current value')
*
* @param float $left
* @return Zend_Pdf_Action_Zoom
*/
public function setLeftEdge($left)
{
if ($left === null) {
$this->_destinationArray->items[2] = new Zend_Pdf_Element_Null();
} else {
$this->_destinationArray->items[2] = new Zend_Pdf_Element_Numeric($left);
}
return $this;
}
/**
* Get top edge of the displayed page (null means viewer application 'current value')
*
* @return float
*/
public function getTopEdge()
{
return $this->_destinationArray->items[3]->value;
}
/**
* Set top edge of the displayed page (null means viewer application 'current viewer')
*
* @param float $top
* @return Zend_Pdf_Action_Zoom
*/
public function setTopEdge($top)
{
if ($top === null) {
$this->_destinationArray->items[3] = new Zend_Pdf_Element_Null();
} else {
$this->_destinationArray->items[3] = new Zend_Pdf_Element_Numeric($top);
}
return $this;
}
/**
* Get ZoomFactor of the displayed page (null or 0 means viewer application 'current value')
*
* @return float
*/
public function getZoomFactor()
{
return $this->_destinationArray->items[4]->value;
}
/**
* Set ZoomFactor of the displayed page (null or 0 means viewer application 'current viewer')
*
* @param float $zoom
* @return Zend_Pdf_Action_Zoom
*/
public function setZoomFactor($zoom)
{
if ($zoom === null) {
$this->_destinationArray->items[4] = new Zend_Pdf_Element_Null();
} else {
$this->_destinationArray->items[4] = new Zend_Pdf_Element_Numeric($zoom);
}
return $this;
}
}