PhpDocumentor

<?php /** * @package Cpdf */ /** * Cpdf * * * A PHP class to provide the basic functionality to create a pdf document without * any requirement for additional modules. * * Note that they companion class CezPdf can be used to extend this class and dramatically * simplify the creation of documents. * * IMPORTANT NOTE * there is no warranty, implied or otherwise with this software. * * LICENCE * This code has been placed in the Public Domain for all to enjoy. * * @author Wayne Munro <pdf@ros.co.nz> * @version 009 * @package Cpdf * @link http://www.ros.co.nz/pdf */ class Cpdf { /** * the current number of pdf objects in the document */ var $numObj=0; /** * this array contains all of the pdf objects, ready for final assembly */ var $objects = array(); /** * the objectId (number within the objects array) of the document catalog */ var $catalogId; /** * array carrying information about the fonts that the system currently knows about * used to ensure that a font is not loaded twice, among other things */ var $fonts=array(); /** * a record of the current font */ var $currentFont=''; /** * the current base font */ var $currentBaseFont=''; /** * the number of the current font within the font array */ var $currentFontNum=0; /** * */ var $currentNode; /** * object number of the current page */ var $currentPage; /** * object number of the currently active contents block */ var $currentContents; /** * number of fonts within the system */ var $numFonts=0; /** * current colour for fill operations, defaults to inactive value, all three components should be between 0 and 1 inclusive when active */ var $currentColour=array('r'=>-1,'g'=>-1,'b'=>-1); /** * current colour for stroke operations (lines etc.) */ var $currentStrokeColour=array('r'=>-1,'g'=>-1,'b'=>-1); /** * current style that lines are drawn in */ var $currentLineStyle=''; /** * an array which is used to save the state of the document, mainly the colours and styles * it is used to temporarily change to another state, the change back to what it was before */ var $stateStack = array(); /** * number of elements within the state stack */ var $nStateStack = 0; /** * number of page objects within the document */ var $numPages=0; /** * object Id storage stack */ var $stack=array(); /** * number of elements within the object Id storage stack */ var $nStack=0; /** * an array which contains information about the objects which are not firmly attached to pages * these have been added with the addObject function */ var $looseObjects=array(); /** * array contains infomation about how the loose objects are to be added to the document */ var $addLooseObjects=array(); /** * the objectId of the information object for the document * this contains authorship, title etc. */ var $infoObject=0; /** * number of images being tracked within the document */ var $numImages=0; /** * an array containing options about the document * it defaults to turning on the compression of the objects */ var $options=array('compression'=>1); /** * the objectId of the first page of the document */ var $firstPageId; /** * used to track the last used value of the inter-word spacing, this is so that it is known * when the spacing is changed. */ var $wordSpaceAdjust=0; /** * the object Id of the procset object */ var $procsetObjectId; /** * store the information about the relationship between font families * this used so that the code knows which font is the bold version of another font, etc. * the value of this array is initialised in the constuctor function. */ var $fontFamilies = array(); /** * track if the current font is bolded or italicised */ var $currentTextState = ''; /** * messages are stored here during processing, these can be selected afterwards to give some useful debug information */ var $messages=''; /** * the ancryption array for the document encryption is stored here */ var $arc4=''; /** * the object Id of the encryption information */ var $arc4_objnum=0; /** * the file identifier, used to uniquely identify a pdf document */ var $fileIdentifier=''; /** * a flag to say if a document is to be encrypted or not */ var $encrypted=0; /** * the ancryption key for the encryption of all the document content (structure is not encrypted) */ var $encryptionKey=''; /** * array which forms a stack to keep track of nested callback functions */ var $callback = array(); /** * the number of callback functions in the callback array */ var $nCallback = 0; /** * store label->id pairs for named destinations, these will be used to replace internal links * done this way so that destinations can be defined after the location that links to them */ var $destinations = array(); /** * store the stack for the transaction commands, each item in here is a record of the values of all the * variables within the class, so that the user can rollback at will (from each 'start' command) * note that this includes the objects array, so these can be large. */ var $checkpoint = ''; /** * class constructor * this will start a new document * @var array array of 4 numbers, defining the bottom left and upper right corner of the page. first two are normally zero. */ function Cpdf ($pageSize=array(0,0,612,792)){ $this->newDocument($pageSize); // also initialize the font families that are known about already $this->setFontFamily('init'); // $this->fileIdentifier = md5('xxxxxxxx'.time()); } /** * Document object methods (internal use only) * * There is about one object method for each type of object in the pdf document * Each function has the same call list ($id,$action,$options). * $id = the object ID of the object, or what it is to be if it is being created * $action = a string specifying the action to be performed, though ALL must support: * 'new' - create the object with the id $id * 'out' - produce the output for the pdf object * $options = optional, a string or array containing the various parameters for the object * * These, in conjunction with the output function are the ONLY way for output to be produced * within the pdf 'file'. */ /** *destination object, used to specify the location for the user to jump to, presently on opening */ function o_destination($id,$action,$options=''){ if ($action!='new'){ $o =& $this->objects[$id]; } switch($action){ case 'new': $this->objects[$id]=array('t'=>'destination','info'=>array()); $tmp = ''; switch ($options['type']){ case 'XYZ': case 'FitR': $tmp = ' '.$options['p3'].$tmp; case 'FitH': case 'FitV': case 'FitBH': case 'FitBV': $tmp = ' '.$options['p1'].' '.$options['p2'].$tmp; case 'Fit': case 'FitB': $tmp = $options['type'].$tmp; $this->objects[$id]['info']['string']=$tmp; $this->objects[$id]['info']['page']=$options['page']; } break; case 'out': $tmp = $o['info']; $res="\n".$id." 0 obj\n".'['.$tmp['page'].' 0 R /'.$tmp['string']."]\nendobj\n"; return $res; break; } } /** * set the viewer preferences */ function o_viewerPreferences($id,$action,$options=''){ if ($action!='new'){ $o =& $this->objects[$id]; } switch ($action){ case 'new': $this->objects[$id]=array('t'=>'viewerPreferences','info'=>array()); break; case 'add': foreach($options as $k=>$v){ switch ($k){ case 'HideToolbar': case 'HideMenubar': case 'HideWindowUI': case 'FitWindow': case 'CenterWindow': case 'NonFullScreenPageMode': case 'Direction': $o['info'][$k]=$v; break; } } break; case 'out': $res="