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Jesper Ek
2014-01-02 15:06:06 +01:00
commit a7748612ee
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library/Zend/Pdf/Canvas.php Normal file
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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
* @copyright Copyright (c) 2005-2012 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
* @version $Id: Style.php 20096 2010-01-06 02:05:09Z bkarwin $
*/
// require_once 'Zend/Pdf/Canvas/Abstract.php';
/**
* Canvas is an abstract rectangle drawing area which can be dropped into
* page object at specified place.
*
* @package Zend_Pdf
* @copyright Copyright (c) 2005-2012 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
class Zend_Pdf_Canvas extends Zend_Pdf_Canvas_Abstract
{
/**
* Canvas procedure sets.
*
* Allowed values: 'PDF', 'Text', 'ImageB', 'ImageC', 'ImageI'.
*
* @var array
*/
protected $_procSet = array();
/**
* Canvas width expressed in default user space units (1/72 inch)
*
* @var float
*/
protected $_width;
/**
* Canvas height expressed in default user space units (1/72 inch)
*
* @var float
*/
protected $_height;
protected $_resources = array('Font' => array(),
'XObject' => array(),
'ExtGState' => array());
/**
* Object constructor
*
* @param float $width
* @param float $height
*/
public function __construct($width, $height)
{
$this->_width = $width;
$this->_height = $height;
}
/**
* Add procedure set to the canvas description
*
* @param string $procSetName
*/
protected function _addProcSet($procSetName)
{
$this->_procset[$procSetName] = 1;
}
/**
* Attach resource to the canvas
*
* Method returns a name of the resource which can be used
* as a resource reference within drawing instructions stream
* Allowed types: 'ExtGState', 'ColorSpace', 'Pattern', 'Shading',
* 'XObject', 'Font', 'Properties'
*
* @param string $type
* @param Zend_Pdf_Resource $resource
* @return string
*/
protected function _attachResource($type, Zend_Pdf_Resource $resource)
{
// Check, that resource is already attached to resource set.
$resObject = $resource->getResource();
foreach ($this->_resources[$type] as $resName => $collectedResObject) {
if ($collectedResObject === $resObject) {
return $resName;
}
}
$idCounter = 1;
do {
$newResName = $type[0] . $idCounter++;
} while (isset($this->_resources[$type][$newResName]));
$this->_resources[$type][$newResName] = $resObject;
return $newResName;
}
/**
* Returns dictionaries of used resources.
*
* Used for canvas implementations interoperability
*
* Structure of the returned array:
* array(
* <resTypeName> => array(
* <resName> => <Zend_Pdf_Resource object>,
* <resName> => <Zend_Pdf_Resource object>,
* <resName> => <Zend_Pdf_Resource object>,
* ...
* ),
* <resTypeName> => array(
* <resName> => <Zend_Pdf_Resource object>,
* <resName> => <Zend_Pdf_Resource object>,
* <resName> => <Zend_Pdf_Resource object>,
* ...
* ),
* ...
* 'ProcSet' => array()
* )
*
* where ProcSet array is a list of used procedure sets names (strings).
* Allowed procedure set names: 'PDF', 'Text', 'ImageB', 'ImageC', 'ImageI'
*
* @internal
* @return array
*/
public function getResources()
{
$this->_resources['ProcSet'] = array_keys($this->_procSet);
return $this->_resources;
}
/**
* Get drawing instructions stream
*
* It has to be returned as a PDF stream object to make it reusable.
*
* @internal
* @returns Zend_Pdf_Resource_ContentStream
*/
public function getContents()
{
/** @todo implementation */
}
/**
* Return the height of this page in points.
*
* @return float
*/
public function getHeight()
{
return $this->_height;
}
/**
* Return the width of this page in points.
*
* @return float
*/
public function getWidth()
{
return $this->_width;
}
}