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<?php
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/**
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* @package Cpdf
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*/
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/**
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* Cpdf
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*
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*
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* A PHP class to provide the basic functionality to create a pdf document without
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* any requirement for additional modules.
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*
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* Note that they companion class CezPdf can be used to extend this class and dramatically
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* simplify the creation of documents.
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*
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* IMPORTANT NOTE
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* there is no warranty, implied or otherwise with this software.
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*
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* LICENCE
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* This code has been placed in the Public Domain for all to enjoy.
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*
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* @author Wayne Munro <pdf@ros.co.nz>
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* @version 009
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* @package Cpdf
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* @link http://www.ros.co.nz/pdf
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*/
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class Cpdf {
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/**
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* the current number of pdf objects in the document
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*/
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var $numObj=0;
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/**
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* this array contains all of the pdf objects, ready for final assembly
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*/
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var $objects = array();
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/**
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* the objectId (number within the objects array) of the document catalog
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*/
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var $catalogId;
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/**
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* array carrying information about the fonts that the system currently knows about
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* used to ensure that a font is not loaded twice, among other things
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*/
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var $fonts=array();
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/**
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* a record of the current font
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*/
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var $currentFont='';
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/**
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* the current base font
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*/
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var $currentBaseFont='';
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/**
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* the number of the current font within the font array
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*/
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var $currentFontNum=0;
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/**
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*
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*/
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var $currentNode;
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/**
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* object number of the current page
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*/
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var $currentPage;
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/**
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* object number of the currently active contents block
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*/
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var $currentContents;
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/**
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* number of fonts within the system
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*/
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var $numFonts=0;
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/**
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* current colour for fill operations, defaults to inactive value, all three components should be between 0 and 1 inclusive when active
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*/
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var $currentColour=array('r'=>-1,'g'=>-1,'b'=>-1);
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/**
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* current colour for stroke operations (lines etc.)
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*/
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var $currentStrokeColour=array('r'=>-1,'g'=>-1,'b'=>-1);
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/**
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* current style that lines are drawn in
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*/
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var $currentLineStyle='';
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/**
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* an array which is used to save the state of the document, mainly the colours and styles
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* it is used to temporarily change to another state, the change back to what it was before
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*/
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var $stateStack = array();
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/**
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* number of elements within the state stack
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*/
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var $nStateStack = 0;
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/**
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* number of page objects within the document
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*/
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var $numPages=0;
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/**
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* object Id storage stack
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*/
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var $stack=array();
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/**
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* number of elements within the object Id storage stack
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*/
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var $nStack=0;
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/**
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* an array which contains information about the objects which are not firmly attached to pages
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* these have been added with the addObject function
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*/
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var $looseObjects=array();
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/**
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* array contains infomation about how the loose objects are to be added to the document
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*/
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var $addLooseObjects=array();
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/**
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* the objectId of the information object for the document
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* this contains authorship, title etc.
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*/
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var $infoObject=0;
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/**
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* number of images being tracked within the document
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*/
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var $numImages=0;
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/**
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* an array containing options about the document
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* it defaults to turning on the compression of the objects
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*/
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var $options=array('compression'=>1);
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/**
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* the objectId of the first page of the document
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*/
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var $firstPageId;
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/**
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* used to track the last used value of the inter-word spacing, this is so that it is known
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* when the spacing is changed.
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*/
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var $wordSpaceAdjust=0;
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/**
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* the object Id of the procset object
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*/
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var $procsetObjectId;
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/**
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* store the information about the relationship between font families
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* this used so that the code knows which font is the bold version of another font, etc.
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* the value of this array is initialised in the constuctor function.
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*/
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var $fontFamilies = array();
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/**
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* track if the current font is bolded or italicised
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*/
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var $currentTextState = '';
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/**
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* messages are stored here during processing, these can be selected afterwards to give some useful debug information
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*/
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var $messages='';
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/**
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* the ancryption array for the document encryption is stored here
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*/
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var $arc4='';
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/**
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* the object Id of the encryption information
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*/
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var $arc4_objnum=0;
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/**
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* the file identifier, used to uniquely identify a pdf document
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*/
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var $fileIdentifier='';
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/**
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* a flag to say if a document is to be encrypted or not
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*/
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var $encrypted=0;
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/**
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* the ancryption key for the encryption of all the document content (structure is not encrypted)
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*/
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var $encryptionKey='';
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/**
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* array which forms a stack to keep track of nested callback functions
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*/
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var $callback = array();
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/**
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* the number of callback functions in the callback array
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*/
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var $nCallback = 0;
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/**
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* store label->id pairs for named destinations, these will be used to replace internal links
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* done this way so that destinations can be defined after the location that links to them
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*/
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var $destinations = array();
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/**
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* store the stack for the transaction commands, each item in here is a record of the values of all the
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* variables within the class, so that the user can rollback at will (from each 'start' command)
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* note that this includes the objects array, so these can be large.
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*/
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var $checkpoint = '';
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/**
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* class constructor
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* this will start a new document
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* @var array array of 4 numbers, defining the bottom left and upper right corner of the page. first two are normally zero.
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*/
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function Cpdf ($pageSize=array(0,0,612,792)){
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$this->newDocument($pageSize);
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// also initialize the font families that are known about already
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$this->setFontFamily('init');
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// $this->fileIdentifier = md5('xxxxxxxx'.time());
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}
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/**
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* Document object methods (internal use only)
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*
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* There is about one object method for each type of object in the pdf document
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* Each function has the same call list ($id,$action,$options).
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* $id = the object ID of the object, or what it is to be if it is being created
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* $action = a string specifying the action to be performed, though ALL must support:
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* 'new' - create the object with the id $id
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* 'out' - produce the output for the pdf object
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* $options = optional, a string or array containing the various parameters for the object
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*
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* These, in conjunction with the output function are the ONLY way for output to be produced
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* within the pdf 'file'.
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*/
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/**
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*destination object, used to specify the location for the user to jump to, presently on opening
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*/
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function o_destination($id,$action,$options=''){
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if ($action!='new'){
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$o =& $this->objects[$id];
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}
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switch($action){
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case 'new':
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$this->objects[$id]=array('t'=>'destination','info'=>array());
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$tmp = '';
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switch ($options['type']){
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case 'XYZ':
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case 'FitR':
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$tmp = ' '.$options['p3'].$tmp;
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case 'FitH':
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case 'FitV':
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case 'FitBH':
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case 'FitBV':
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$tmp = ' '.$options['p1'].' '.$options['p2'].$tmp;
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case 'Fit':
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case 'FitB':
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$tmp = $options['type'].$tmp;
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$this->objects[$id]['info']['string']=$tmp;
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$this->objects[$id]['info']['page']=$options['page'];
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}
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break;
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case 'out':
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$tmp = $o['info'];
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$res="\n".$id." 0 obj\n".'['.$tmp['page'].' 0 R /'.$tmp['string']."]\nendobj\n";
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return $res;
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break;
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}
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}
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/**
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* set the viewer preferences
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*/
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function o_viewerPreferences($id,$action,$options=''){
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if ($action!='new'){
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$o =& $this->objects[$id];
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}
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switch ($action){
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case 'new':
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$this->objects[$id]=array('t'=>'viewerPreferences','info'=>array());
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break;
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case 'add':
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foreach($options as $k=>$v){
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switch ($k){
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case 'HideToolbar':
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case 'HideMenubar':
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case 'HideWindowUI':
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case 'FitWindow':
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case 'CenterWindow':
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case 'NonFullScreenPageMode':
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case 'Direction':
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$o['info'][$k]=$v;
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break;
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}
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}
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break;
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case 'out':
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$res="\n".$id." 0 obj\n".'<< ';
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foreach($o['info'] as $k=>$v){
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$res.="\n/".$k.' '.$v;
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}
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$res.="\n>>\n";
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return $res;
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break;
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}
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}
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/**
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* define the document catalog, the overall controller for the document
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*/
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function o_catalog($id,$action,$options=''){
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if ($action!='new'){
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$o =& $this->objects[$id];
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}
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switch ($action){
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case 'new':
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$this->objects[$id]=array('t'=>'catalog','info'=>array());
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$this->catalogId=$id;
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break;
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case 'outlines':
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case 'pages':
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case 'openHere':
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$o['info'][$action]=$options;
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break;
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case 'viewerPreferences':
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if (!isset($o['info']['viewerPreferences'])){
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$this->numObj++;
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$this->o_viewerPreferences($this->numObj,'new');
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$o['info']['viewerPreferences']=$this->numObj;
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}
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$vp = $o['info']['viewerPreferences'];
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$this->o_viewerPreferences($vp,'add',$options);
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break;
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case 'out':
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$res="\n".$id." 0 obj\n".'<< /Type /Catalog';
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foreach($o['info'] as $k=>$v){
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switch($k){
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case 'outlines':
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$res.="\n".'/Outlines '.$v.' 0 R';
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break;
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case 'pages':
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$res.="\n".'/Pages '.$v.' 0 R';
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break;
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case 'viewerPreferences':
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$res.="\n".'/ViewerPreferences '.$o['info']['viewerPreferences'].' 0 R';
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break;
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case 'openHere':
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$res.="\n".'/OpenAction '.$o['info']['openHere'].' 0 R';
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break;
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}
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340 |
}
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341 |
$res.=" >>\nendobj";
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342 |
return $res;
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break;
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344 |
}
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345 |
}
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346 |
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347 |
/**
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348 |
* object which is a parent to the pages in the document
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349 |
*/
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350 |
function o_pages($id,$action,$options=''){
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351 |
if ($action!='new'){
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$o =& $this->objects[$id];
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}
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switch ($action){
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case 'new':
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$this->objects[$id]=array('t'=>'pages','info'=>array());
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$this->o_catalog($this->catalogId,'pages',$id);
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break;
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case 'page':
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360 |
if (!is_array($options)){
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361 |
// then it will just be the id of the new page
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$o['info']['pages'][]=$options;
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363 |
} else {
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364 |
// then it should be an array having 'id','rid','pos', where rid=the page to which this one will be placed relative
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365 |
// and pos is either 'before' or 'after', saying where this page will fit.
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366 |
if (isset($options['id']) && isset($options['rid']) && isset($options['pos'])){
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367 |
$i = array_search($options['rid'],$o['info']['pages']);
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368 |
if (isset($o['info']['pages'][$i]) && $o['info']['pages'][$i]==$options['rid']){
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369 |
// then there is a match
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370 |
// make a space
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371 |
switch ($options['pos']){
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372 |
case 'before':
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373 |
$k = $i;
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374 |
break;
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375 |
case 'after':
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376 |
$k=$i+1;
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377 |
break;
|
|
|
378 |
default:
|
|
|
379 |
$k=-1;
|
|
|
380 |
break;
|
|
|
381 |
}
|
|
|
382 |
if ($k>=0){
|
|
|
383 |
for ($j=count($o['info']['pages'])-1;$j>=$k;$j--){
|
|
|
384 |
$o['info']['pages'][$j+1]=$o['info']['pages'][$j];
|
|
|
385 |
}
|
|
|
386 |
$o['info']['pages'][$k]=$options['id'];
|
|
|
387 |
}
|
|
|
388 |
}
|
|
|
389 |
}
|
|
|
390 |
}
|
|
|
391 |
break;
|
|
|
392 |
case 'procset':
|
|
|
393 |
$o['info']['procset']=$options;
|
|
|
394 |
break;
|
|
|
395 |
case 'mediaBox':
|
|
|
396 |
$o['info']['mediaBox']=$options; // which should be an array of 4 numbers
|
|
|
397 |
break;
|
|
|
398 |
case 'font':
|
|
|
399 |
$o['info']['fonts'][]=array('objNum'=>$options['objNum'],'fontNum'=>$options['fontNum']);
|
|
|
400 |
break;
|
|
|
401 |
case 'xObject':
|
|
|
402 |
$o['info']['xObjects'][]=array('objNum'=>$options['objNum'],'label'=>$options['label']);
|
|
|
403 |
break;
|
|
|
404 |
case 'out':
|
|
|
405 |
if (count($o['info']['pages'])){
|
|
|
406 |
$res="\n".$id." 0 obj\n<< /Type /Pages\n/Kids [";
|
|
|
407 |
foreach($o['info']['pages'] as $k=>$v){
|
|
|
408 |
$res.=$v." 0 R\n";
|
|
|
409 |
}
|
|
|
410 |
$res.="]\n/Count ".count($this->objects[$id]['info']['pages']);
|
|
|
411 |
if ((isset($o['info']['fonts']) && count($o['info']['fonts'])) || isset($o['info']['procset'])){
|
|
|
412 |
$res.="\n/Resources <<";
|
|
|
413 |
if (isset($o['info']['procset'])){
|
|
|
414 |
$res.="\n/ProcSet ".$o['info']['procset']." 0 R";
|
|
|
415 |
}
|
|
|
416 |
if (isset($o['info']['fonts']) && count($o['info']['fonts'])){
|
|
|
417 |
$res.="\n/Font << ";
|
|
|
418 |
foreach($o['info']['fonts'] as $finfo){
|
|
|
419 |
$res.="\n/F".$finfo['fontNum']." ".$finfo['objNum']." 0 R";
|
|
|
420 |
}
|
|
|
421 |
$res.=" >>";
|
|
|
422 |
}
|
|
|
423 |
if (isset($o['info']['xObjects']) && count($o['info']['xObjects'])){
|
|
|
424 |
$res.="\n/XObject << ";
|
|
|
425 |
foreach($o['info']['xObjects'] as $finfo){
|
|
|
426 |
$res.="\n/".$finfo['label']." ".$finfo['objNum']." 0 R";
|
|
|
427 |
}
|
|
|
428 |
$res.=" >>";
|
|
|
429 |
}
|
|
|
430 |
$res.="\n>>";
|
|
|
431 |
if (isset($o['info']['mediaBox'])){
|
|
|
432 |
$tmp=$o['info']['mediaBox'];
|
|
|
433 |
$res.="\n/MediaBox [".sprintf('%.3f',$tmp[0]).' '.sprintf('%.3f',$tmp[1]).' '.sprintf('%.3f',$tmp[2]).' '.sprintf('%.3f',$tmp[3]).']';
|
|
|
434 |
}
|
|
|
435 |
}
|
|
|
436 |
$res.="\n >>\nendobj";
|
|
|
437 |
} else {
|
|
|
438 |
$res="\n".$id." 0 obj\n<< /Type /Pages\n/Count 0\n>>\nendobj";
|
|
|
439 |
}
|
|
|
440 |
return $res;
|
|
|
441 |
break;
|
|
|
442 |
}
|
|
|
443 |
}
|
|
|
444 |
|
|
|
445 |
/**
|
|
|
446 |
* define the outlines in the doc, empty for now
|
|
|
447 |
*/
|
|
|
448 |
function o_outlines($id,$action,$options=''){
|
|
|
449 |
if ($action!='new'){
|
|
|
450 |
$o =& $this->objects[$id];
|
|
|
451 |
}
|
|
|
452 |
switch ($action){
|
|
|
453 |
case 'new':
|
|
|
454 |
$this->objects[$id]=array('t'=>'outlines','info'=>array('outlines'=>array()));
|
|
|
455 |
$this->o_catalog($this->catalogId,'outlines',$id);
|
|
|
456 |
break;
|
|
|
457 |
case 'outline':
|
|
|
458 |
$o['info']['outlines'][]=$options;
|
|
|
459 |
break;
|
|
|
460 |
case 'out':
|
|
|
461 |
if (count($o['info']['outlines'])){
|
|
|
462 |
$res="\n".$id." 0 obj\n<< /Type /Outlines /Kids [";
|
|
|
463 |
foreach($o['info']['outlines'] as $k=>$v){
|
|
|
464 |
$res.=$v." 0 R ";
|
|
|
465 |
}
|
|
|
466 |
$res.="] /Count ".count($o['info']['outlines'])." >>\nendobj";
|
|
|
467 |
} else {
|
|
|
468 |
$res="\n".$id." 0 obj\n<< /Type /Outlines /Count 0 >>\nendobj";
|
|
|
469 |
}
|
|
|
470 |
return $res;
|
|
|
471 |
break;
|
|
|
472 |
}
|
|
|
473 |
}
|
|
|
474 |
|
|
|
475 |
/**
|
|
|
476 |
* an object to hold the font description
|
|
|
477 |
*/
|
|
|
478 |
function o_font($id,$action,$options=''){
|
|
|
479 |
if ($action!='new'){
|
|
|
480 |
$o =& $this->objects[$id];
|
|
|
481 |
}
|
|
|
482 |
switch ($action){
|
|
|
483 |
case 'new':
|
|
|
484 |
$this->objects[$id]=array('t'=>'font','info'=>array('name'=>$options['name'],'SubType'=>'Type1'));
|
|
|
485 |
$fontNum=$this->numFonts;
|
|
|
486 |
$this->objects[$id]['info']['fontNum']=$fontNum;
|
|
|
487 |
// deal with the encoding and the differences
|
|
|
488 |
if (isset($options['differences'])){
|
|
|
489 |
// then we'll need an encoding dictionary
|
|
|
490 |
$this->numObj++;
|
|
|
491 |
$this->o_fontEncoding($this->numObj,'new',$options);
|
|
|
492 |
$this->objects[$id]['info']['encodingDictionary']=$this->numObj;
|
|
|
493 |
} else if (isset($options['encoding'])){
|
|
|
494 |
// we can specify encoding here
|
|
|
495 |
switch($options['encoding']){
|
|
|
496 |
case 'WinAnsiEncoding':
|
|
|
497 |
case 'MacRomanEncoding':
|
|
|
498 |
case 'MacExpertEncoding':
|
|
|
499 |
$this->objects[$id]['info']['encoding']=$options['encoding'];
|
|
|
500 |
break;
|
|
|
501 |
case 'none':
|
|
|
502 |
break;
|
|
|
503 |
default:
|
|
|
504 |
$this->objects[$id]['info']['encoding']='WinAnsiEncoding';
|
|
|
505 |
break;
|
|
|
506 |
}
|
|
|
507 |
} else {
|
|
|
508 |
$this->objects[$id]['info']['encoding']='WinAnsiEncoding';
|
|
|
509 |
}
|
|
|
510 |
// also tell the pages node about the new font
|
|
|
511 |
$this->o_pages($this->currentNode,'font',array('fontNum'=>$fontNum,'objNum'=>$id));
|
|
|
512 |
break;
|
|
|
513 |
case 'add':
|
|
|
514 |
foreach ($options as $k=>$v){
|
|
|
515 |
switch ($k){
|
|
|
516 |
case 'BaseFont':
|
|
|
517 |
$o['info']['name'] = $v;
|
|
|
518 |
break;
|
|
|
519 |
case 'FirstChar':
|
|
|
520 |
case 'LastChar':
|
|
|
521 |
case 'Widths':
|
|
|
522 |
case 'FontDescriptor':
|
|
|
523 |
case 'SubType':
|
|
|
524 |
$this->addMessage('o_font '.$k." : ".$v);
|
|
|
525 |
$o['info'][$k] = $v;
|
|
|
526 |
break;
|
|
|
527 |
}
|
|
|
528 |
}
|
|
|
529 |
break;
|
|
|
530 |
case 'out':
|
|
|
531 |
$res="\n".$id." 0 obj\n<< /Type /Font\n/Subtype /".$o['info']['SubType']."\n";
|
|
|
532 |
$res.="/Name /F".$o['info']['fontNum']."\n";
|
|
|
533 |
$res.="/BaseFont /".$o['info']['name']."\n";
|
|
|
534 |
if (isset($o['info']['encodingDictionary'])){
|
|
|
535 |
// then place a reference to the dictionary
|
|
|
536 |
$res.="/Encoding ".$o['info']['encodingDictionary']." 0 R\n";
|
|
|
537 |
} else if (isset($o['info']['encoding'])){
|
|
|
538 |
// use the specified encoding
|
|
|
539 |
$res.="/Encoding /".$o['info']['encoding']."\n";
|
|
|
540 |
}
|
|
|
541 |
if (isset($o['info']['FirstChar'])){
|
|
|
542 |
$res.="/FirstChar ".$o['info']['FirstChar']."\n";
|
|
|
543 |
}
|
|
|
544 |
if (isset($o['info']['LastChar'])){
|
|
|
545 |
$res.="/LastChar ".$o['info']['LastChar']."\n";
|
|
|
546 |
}
|
|
|
547 |
if (isset($o['info']['Widths'])){
|
|
|
548 |
$res.="/Widths ".$o['info']['Widths']." 0 R\n";
|
|
|
549 |
}
|
|
|
550 |
if (isset($o['info']['FontDescriptor'])){
|
|
|
551 |
$res.="/FontDescriptor ".$o['info']['FontDescriptor']." 0 R\n";
|
|
|
552 |
}
|
|
|
553 |
$res.=">>\nendobj";
|
|
|
554 |
return $res;
|
|
|
555 |
break;
|
|
|
556 |
}
|
|
|
557 |
}
|
|
|
558 |
|
|
|
559 |
/**
|
|
|
560 |
* a font descriptor, needed for including additional fonts
|
|
|
561 |
*/
|
|
|
562 |
function o_fontDescriptor($id,$action,$options=''){
|
|
|
563 |
if ($action!='new'){
|
|
|
564 |
$o =& $this->objects[$id];
|
|
|
565 |
}
|
|
|
566 |
switch ($action){
|
|
|
567 |
case 'new':
|
|
|
568 |
$this->objects[$id]=array('t'=>'fontDescriptor','info'=>$options);
|
|
|
569 |
break;
|
|
|
570 |
case 'out':
|
|
|
571 |
$res="\n".$id." 0 obj\n<< /Type /FontDescriptor\n";
|
|
|
572 |
foreach ($o['info'] as $label => $value){
|
|
|
573 |
switch ($label){
|
|
|
574 |
case 'Ascent':
|
|
|
575 |
case 'CapHeight':
|
|
|
576 |
case 'Descent':
|
|
|
577 |
case 'Flags':
|
|
|
578 |
case 'ItalicAngle':
|
|
|
579 |
case 'StemV':
|
|
|
580 |
case 'AvgWidth':
|
|
|
581 |
case 'Leading':
|
|
|
582 |
case 'MaxWidth':
|
|
|
583 |
case 'MissingWidth':
|
|
|
584 |
case 'StemH':
|
|
|
585 |
case 'XHeight':
|
|
|
586 |
case 'CharSet':
|
|
|
587 |
if (strlen($value)){
|
|
|
588 |
$res.='/'.$label.' '.$value."\n";
|
|
|
589 |
}
|
|
|
590 |
break;
|
|
|
591 |
case 'FontFile':
|
|
|
592 |
case 'FontFile2':
|
|
|
593 |
case 'FontFile3':
|
|
|
594 |
$res.='/'.$label.' '.$value." 0 R\n";
|
|
|
595 |
break;
|
|
|
596 |
case 'FontBBox':
|
|
|
597 |
$res.='/'.$label.' ['.$value[0].' '.$value[1].' '.$value[2].' '.$value[3]."]\n";
|
|
|
598 |
break;
|
|
|
599 |
case 'FontName':
|
|
|
600 |
$res.='/'.$label.' /'.$value."\n";
|
|
|
601 |
break;
|
|
|
602 |
}
|
|
|
603 |
}
|
|
|
604 |
$res.=">>\nendobj";
|
|
|
605 |
return $res;
|
|
|
606 |
break;
|
|
|
607 |
}
|
|
|
608 |
}
|
|
|
609 |
|
|
|
610 |
/**
|
|
|
611 |
* the font encoding
|
|
|
612 |
*/
|
|
|
613 |
function o_fontEncoding($id,$action,$options=''){
|
|
|
614 |
if ($action!='new'){
|
|
|
615 |
$o =& $this->objects[$id];
|
|
|
616 |
}
|
|
|
617 |
switch ($action){
|
|
|
618 |
case 'new':
|
|
|
619 |
// the options array should contain 'differences' and maybe 'encoding'
|
|
|
620 |
$this->objects[$id]=array('t'=>'fontEncoding','info'=>$options);
|
|
|
621 |
break;
|
|
|
622 |
case 'out':
|
|
|
623 |
$res="\n".$id." 0 obj\n<< /Type /Encoding\n";
|
|
|
624 |
if (!isset($o['info']['encoding'])){
|
|
|
625 |
$o['info']['encoding']='WinAnsiEncoding';
|
|
|
626 |
}
|
|
|
627 |
if ($o['info']['encoding']!='none'){
|
|
|
628 |
$res.="/BaseEncoding /".$o['info']['encoding']."\n";
|
|
|
629 |
}
|
|
|
630 |
$res.="/Differences \n[";
|
|
|
631 |
$onum=-100;
|
|
|
632 |
foreach($o['info']['differences'] as $num=>$label){
|
|
|
633 |
if ($num!=$onum+1){
|
|
|
634 |
// we cannot make use of consecutive numbering
|
|
|
635 |
$res.= "\n".$num." /".$label;
|
|
|
636 |
} else {
|
|
|
637 |
$res.= " /".$label;
|
|
|
638 |
}
|
|
|
639 |
$onum=$num;
|
|
|
640 |
}
|
|
|
641 |
$res.="\n]\n>>\nendobj";
|
|
|
642 |
return $res;
|
|
|
643 |
break;
|
|
|
644 |
}
|
|
|
645 |
}
|
|
|
646 |
|
|
|
647 |
/**
|
|
|
648 |
* the document procset, solves some problems with printing to old PS printers
|
|
|
649 |
*/
|
|
|
650 |
function o_procset($id,$action,$options=''){
|
|
|
651 |
if ($action!='new'){
|
|
|
652 |
$o =& $this->objects[$id];
|
|
|
653 |
}
|
|
|
654 |
switch ($action){
|
|
|
655 |
case 'new':
|
|
|
656 |
$this->objects[$id]=array('t'=>'procset','info'=>array('PDF'=>1,'Text'=>1));
|
|
|
657 |
$this->o_pages($this->currentNode,'procset',$id);
|
|
|
658 |
$this->procsetObjectId=$id;
|
|
|
659 |
break;
|
|
|
660 |
case 'add':
|
|
|
661 |
// this is to add new items to the procset list, despite the fact that this is considered
|
|
|
662 |
// obselete, the items are required for printing to some postscript printers
|
|
|
663 |
switch ($options) {
|
|
|
664 |
case 'ImageB':
|
|
|
665 |
case 'ImageC':
|
|
|
666 |
case 'ImageI':
|
|
|
667 |
$o['info'][$options]=1;
|
|
|
668 |
break;
|
|
|
669 |
}
|
|
|
670 |
break;
|
|
|
671 |
case 'out':
|
|
|
672 |
$res="\n".$id." 0 obj\n[";
|
|
|
673 |
foreach ($o['info'] as $label=>$val){
|
|
|
674 |
$res.='/'.$label.' ';
|
|
|
675 |
}
|
|
|
676 |
$res.="]\nendobj";
|
|
|
677 |
return $res;
|
|
|
678 |
break;
|
|
|
679 |
}
|
|
|
680 |
}
|
|
|
681 |
|
|
|
682 |
/**
|
|
|
683 |
* define the document information
|
|
|
684 |
*/
|
|
|
685 |
function o_info($id,$action,$options=''){
|
|
|
686 |
if ($action!='new'){
|
|
|
687 |
$o =& $this->objects[$id];
|
|
|
688 |
}
|
|
|
689 |
switch ($action){
|
|
|
690 |
case 'new':
|
|
|
691 |
$this->infoObject=$id;
|
|
|
692 |
$date='D:'.date('Ymd');
|
|
|
693 |
$this->objects[$id]=array('t'=>'info','info'=>array('Creator'=>'R and OS php pdf writer, http://www.ros.co.nz','CreationDate'=>$date));
|
|
|
694 |
break;
|
|
|
695 |
case 'Title':
|
|
|
696 |
case 'Author':
|
|
|
697 |
case 'Subject':
|
|
|
698 |
case 'Keywords':
|
|
|
699 |
case 'Creator':
|
|
|
700 |
case 'Producer':
|
|
|
701 |
case 'CreationDate':
|
|
|
702 |
case 'ModDate':
|
|
|
703 |
case 'Trapped':
|
|
|
704 |
$o['info'][$action]=$options;
|
|
|
705 |
break;
|
|
|
706 |
case 'out':
|
|
|
707 |
if ($this->encrypted){
|
|
|
708 |
$this->encryptInit($id);
|
|
|
709 |
}
|
|
|
710 |
$res="\n".$id." 0 obj\n<<\n";
|
|
|
711 |
foreach ($o['info'] as $k=>$v){
|
|
|
712 |
$res.='/'.$k.' (';
|
|
|
713 |
if ($this->encrypted){
|
|
|
714 |
$res.=$this->filterText($this->ARC4($v));
|
|
|
715 |
} else {
|
|
|
716 |
$res.=$this->filterText($v);
|
|
|
717 |
}
|
|
|
718 |
$res.=")\n";
|
|
|
719 |
}
|
|
|
720 |
$res.=">>\nendobj";
|
|
|
721 |
return $res;
|
|
|
722 |
break;
|
|
|
723 |
}
|
|
|
724 |
}
|
|
|
725 |
|
|
|
726 |
/**
|
|
|
727 |
* an action object, used to link to URLS initially
|
|
|
728 |
*/
|
|
|
729 |
function o_action($id,$action,$options=''){
|
|
|
730 |
if ($action!='new'){
|
|
|
731 |
$o =& $this->objects[$id];
|
|
|
732 |
}
|
|
|
733 |
switch ($action){
|
|
|
734 |
case 'new':
|
|
|
735 |
if (is_array($options)){
|
|
|
736 |
$this->objects[$id]=array('t'=>'action','info'=>$options,'type'=>$options['type']);
|
|
|
737 |
} else {
|
|
|
738 |
// then assume a URI action
|
|
|
739 |
$this->objects[$id]=array('t'=>'action','info'=>$options,'type'=>'URI');
|
|
|
740 |
}
|
|
|
741 |
break;
|
|
|
742 |
case 'out':
|
|
|
743 |
if ($this->encrypted){
|
|
|
744 |
$this->encryptInit($id);
|
|
|
745 |
}
|
|
|
746 |
$res="\n".$id." 0 obj\n<< /Type /Action";
|
|
|
747 |
switch($o['type']){
|
|
|
748 |
case 'ilink':
|
|
|
749 |
// there will be an 'label' setting, this is the name of the destination
|
|
|
750 |
$res.="\n/S /GoTo\n/D ".$this->destinations[(string)$o['info']['label']]." 0 R";
|
|
|
751 |
break;
|
|
|
752 |
case 'URI':
|
|
|
753 |
$res.="\n/S /URI\n/URI (";
|
|
|
754 |
if ($this->encrypted){
|
|
|
755 |
$res.=$this->filterText($this->ARC4($o['info']));
|
|
|
756 |
} else {
|
|
|
757 |
$res.=$this->filterText($o['info']);
|
|
|
758 |
}
|
|
|
759 |
$res.=")";
|
|
|
760 |
break;
|
|
|
761 |
}
|
|
|
762 |
$res.="\n>>\nendobj";
|
|
|
763 |
return $res;
|
|
|
764 |
break;
|
|
|
765 |
}
|
|
|
766 |
}
|
|
|
767 |
|
|
|
768 |
/**
|
|
|
769 |
* an annotation object, this will add an annotation to the current page.
|
|
|
770 |
* initially will support just link annotations
|
|
|
771 |
*/
|
|
|
772 |
function o_annotation($id,$action,$options=''){
|
|
|
773 |
if ($action!='new'){
|
|
|
774 |
$o =& $this->objects[$id];
|
|
|
775 |
}
|
|
|
776 |
switch ($action){
|
|
|
777 |
case 'new':
|
|
|
778 |
// add the annotation to the current page
|
|
|
779 |
$pageId = $this->currentPage;
|
|
|
780 |
$this->o_page($pageId,'annot',$id);
|
|
|
781 |
// and add the action object which is going to be required
|
|
|
782 |
switch($options['type']){
|
|
|
783 |
case 'link':
|
|
|
784 |
$this->objects[$id]=array('t'=>'annotation','info'=>$options);
|
|
|
785 |
$this->numObj++;
|
|
|
786 |
$this->o_action($this->numObj,'new',$options['url']);
|
|
|
787 |
$this->objects[$id]['info']['actionId']=$this->numObj;
|
|
|
788 |
break;
|
|
|
789 |
case 'ilink':
|
|
|
790 |
// this is to a named internal link
|
|
|
791 |
$label = $options['label'];
|
|
|
792 |
$this->objects[$id]=array('t'=>'annotation','info'=>$options);
|
|
|
793 |
$this->numObj++;
|
|
|
794 |
$this->o_action($this->numObj,'new',array('type'=>'ilink','label'=>$label));
|
|
|
795 |
$this->objects[$id]['info']['actionId']=$this->numObj;
|
|
|
796 |
break;
|
|
|
797 |
}
|
|
|
798 |
break;
|
|
|
799 |
case 'out':
|
|
|
800 |
$res="\n".$id." 0 obj\n<< /Type /Annot";
|
|
|
801 |
switch($o['info']['type']){
|
|
|
802 |
case 'link':
|
|
|
803 |
case 'ilink':
|
|
|
804 |
$res.= "\n/Subtype /Link";
|
|
|
805 |
break;
|
|
|
806 |
}
|
|
|
807 |
$res.="\n/A ".$o['info']['actionId']." 0 R";
|
|
|
808 |
$res.="\n/Border [0 0 0]";
|
|
|
809 |
$res.="\n/H /I";
|
|
|
810 |
$res.="\n/Rect [ ";
|
|
|
811 |
foreach($o['info']['rect'] as $v){
|
|
|
812 |
$res.= sprintf("%.4f ",$v);
|
|
|
813 |
}
|
|
|
814 |
$res.="]";
|
|
|
815 |
$res.="\n>>\nendobj";
|
|
|
816 |
return $res;
|
|
|
817 |
break;
|
|
|
818 |
}
|
|
|
819 |
}
|
|
|
820 |
|
|
|
821 |
/**
|
|
|
822 |
* a page object, it also creates a contents object to hold its contents
|
|
|
823 |
*/
|
|
|
824 |
function o_page($id,$action,$options=''){
|
|
|
825 |
if ($action!='new'){
|
|
|
826 |
$o =& $this->objects[$id];
|
|
|
827 |
}
|
|
|
828 |
switch ($action){
|
|
|
829 |
case 'new':
|
|
|
830 |
$this->numPages++;
|
|
|
831 |
$this->objects[$id]=array('t'=>'page','info'=>array('parent'=>$this->currentNode,'pageNum'=>$this->numPages));
|
|
|
832 |
if (is_array($options)){
|
|
|
833 |
// then this must be a page insertion, array shoudl contain 'rid','pos'=[before|after]
|
|
|
834 |
$options['id']=$id;
|
|
|
835 |
$this->o_pages($this->currentNode,'page',$options);
|
|
|
836 |
} else {
|
|
|
837 |
$this->o_pages($this->currentNode,'page',$id);
|
|
|
838 |
}
|
|
|
839 |
$this->currentPage=$id;
|
|
|
840 |
//make a contents object to go with this page
|
|
|
841 |
$this->numObj++;
|
|
|
842 |
$this->o_contents($this->numObj,'new',$id);
|
|
|
843 |
$this->currentContents=$this->numObj;
|
|
|
844 |
$this->objects[$id]['info']['contents']=array();
|
|
|
845 |
$this->objects[$id]['info']['contents'][]=$this->numObj;
|
|
|
846 |
$match = ($this->numPages%2 ? 'odd' : 'even');
|
|
|
847 |
foreach($this->addLooseObjects as $oId=>$target){
|
|
|
848 |
if ($target=='all' || $match==$target){
|
|
|
849 |
$this->objects[$id]['info']['contents'][]=$oId;
|
|
|
850 |
}
|
|
|
851 |
}
|
|
|
852 |
break;
|
|
|
853 |
case 'content':
|
|
|
854 |
$o['info']['contents'][]=$options;
|
|
|
855 |
break;
|
|
|
856 |
case 'annot':
|
|
|
857 |
// add an annotation to this page
|
|
|
858 |
if (!isset($o['info']['annot'])){
|
|
|
859 |
$o['info']['annot']=array();
|
|
|
860 |
}
|
|
|
861 |
// $options should contain the id of the annotation dictionary
|
|
|
862 |
$o['info']['annot'][]=$options;
|
|
|
863 |
break;
|
|
|
864 |
case 'out':
|
|
|
865 |
$res="\n".$id." 0 obj\n<< /Type /Page";
|
|
|
866 |
$res.="\n/Parent ".$o['info']['parent']." 0 R";
|
|
|
867 |
if (isset($o['info']['annot'])){
|
|
|
868 |
$res.="\n/Annots [";
|
|
|
869 |
foreach($o['info']['annot'] as $aId){
|
|
|
870 |
$res.=" ".$aId." 0 R";
|
|
|
871 |
}
|
|
|
872 |
$res.=" ]";
|
|
|
873 |
}
|
|
|
874 |
$count = count($o['info']['contents']);
|
|
|
875 |
if ($count==1){
|
|
|
876 |
$res.="\n/Contents ".$o['info']['contents'][0]." 0 R";
|
|
|
877 |
} else if ($count>1){
|
|
|
878 |
$res.="\n/Contents [\n";
|
|
|
879 |
foreach ($o['info']['contents'] as $cId){
|
|
|
880 |
$res.=$cId." 0 R\n";
|
|
|
881 |
}
|
|
|
882 |
$res.="]";
|
|
|
883 |
}
|
|
|
884 |
$res.="\n>>\nendobj";
|
|
|
885 |
return $res;
|
|
|
886 |
break;
|
|
|
887 |
}
|
|
|
888 |
}
|
|
|
889 |
|
|
|
890 |
/**
|
|
|
891 |
* the contents objects hold all of the content which appears on pages
|
|
|
892 |
*/
|
|
|
893 |
function o_contents($id,$action,$options=''){
|
|
|
894 |
if ($action!='new'){
|
|
|
895 |
$o =& $this->objects[$id];
|
|
|
896 |
}
|
|
|
897 |
switch ($action){
|
|
|
898 |
case 'new':
|
|
|
899 |
$this->objects[$id]=array('t'=>'contents','c'=>'','info'=>array());
|
|
|
900 |
if (strlen($options) && intval($options)){
|
|
|
901 |
// then this contents is the primary for a page
|
|
|
902 |
$this->objects[$id]['onPage']=$options;
|
|
|
903 |
} else if ($options=='raw'){
|
|
|
904 |
// then this page contains some other type of system object
|
|
|
905 |
$this->objects[$id]['raw']=1;
|
|
|
906 |
}
|
|
|
907 |
break;
|
|
|
908 |
case 'add':
|
|
|
909 |
// add more options to the decleration
|
|
|
910 |
foreach ($options as $k=>$v){
|
|
|
911 |
$o['info'][$k]=$v;
|
|
|
912 |
}
|
|
|
913 |
case 'out':
|
|
|
914 |
$tmp=$o['c'];
|
|
|
915 |
$res= "\n".$id." 0 obj\n";
|
|
|
916 |
if (isset($this->objects[$id]['raw'])){
|
|
|
917 |
$res.=$tmp;
|
|
|
918 |
} else {
|
|
|
919 |
$res.= "<<";
|
|
|
920 |
if (function_exists('gzcompress') && $this->options['compression']){
|
|
|
921 |
// then implement ZLIB based compression on this content stream
|
|
|
922 |
$res.=" /Filter /FlateDecode";
|
|
|
923 |
$tmp = gzcompress($tmp);
|
|
|
924 |
}
|
|
|
925 |
if ($this->encrypted){
|
|
|
926 |
$this->encryptInit($id);
|
|
|
927 |
$tmp = $this->ARC4($tmp);
|
|
|
928 |
}
|
|
|
929 |
foreach($o['info'] as $k=>$v){
|
|
|
930 |
$res .= "\n/".$k.' '.$v;
|
|
|
931 |
}
|
|
|
932 |
$res.="\n/Length ".strlen($tmp)." >>\nstream\n".$tmp."\nendstream";
|
|
|
933 |
}
|
|
|
934 |
$res.="\nendobj\n";
|
|
|
935 |
return $res;
|
|
|
936 |
break;
|
|
|
937 |
}
|
|
|
938 |
}
|
|
|
939 |
|
|
|
940 |
/**
|
|
|
941 |
* an image object, will be an XObject in the document, includes description and data
|
|
|
942 |
*/
|
|
|
943 |
function o_image($id,$action,$options=''){
|
|
|
944 |
if ($action!='new'){
|
|
|
945 |
$o =& $this->objects[$id];
|
|
|
946 |
}
|
|
|
947 |
switch($action){
|
|
|
948 |
case 'new':
|
|
|
949 |
// make the new object
|
|
|
950 |
$this->objects[$id]=array('t'=>'image','data'=>$options['data'],'info'=>array());
|
|
|
951 |
$this->objects[$id]['info']['Type']='/XObject';
|
|
|
952 |
$this->objects[$id]['info']['Subtype']='/Image';
|
|
|
953 |
$this->objects[$id]['info']['Width']=$options['iw'];
|
|
|
954 |
$this->objects[$id]['info']['Height']=$options['ih'];
|
|
|
955 |
if (!isset($options['type']) || $options['type']=='jpg'){
|
|
|
956 |
if (!isset($options['channels'])){
|
|
|
957 |
$options['channels']=3;
|
|
|
958 |
}
|
|
|
959 |
switch($options['channels']){
|
|
|
960 |
case 1:
|
|
|
961 |
$this->objects[$id]['info']['ColorSpace']='/DeviceGray';
|
|
|
962 |
break;
|
|
|
963 |
default:
|
|
|
964 |
$this->objects[$id]['info']['ColorSpace']='/DeviceRGB';
|
|
|
965 |
break;
|
|
|
966 |
}
|
|
|
967 |
$this->objects[$id]['info']['Filter']='/DCTDecode';
|
|
|
968 |
$this->objects[$id]['info']['BitsPerComponent']=8;
|
|
|
969 |
} else if ($options['type']=='png'){
|
|
|
970 |
$this->objects[$id]['info']['Filter']='/FlateDecode';
|
|
|
971 |
$this->objects[$id]['info']['DecodeParms']='<< /Predictor 15 /Colors '.$options['ncolor'].' /Columns '.$options['iw'].' /BitsPerComponent '.$options['bitsPerComponent'].'>>';
|
|
|
972 |
if (strlen($options['pdata'])){
|
|
|
973 |
$tmp = ' [ /Indexed /DeviceRGB '.(strlen($options['pdata'])/3-1).' ';
|
|
|
974 |
$this->numObj++;
|
|
|
975 |
$this->o_contents($this->numObj,'new');
|
|
|
976 |
$this->objects[$this->numObj]['c']=$options['pdata'];
|
|
|
977 |
$tmp.=$this->numObj.' 0 R';
|
|
|
978 |
$tmp .=' ]';
|
|
|
979 |
$this->objects[$id]['info']['ColorSpace'] = $tmp;
|
|
|
980 |
if (isset($options['transparency'])){
|
|
|
981 |
switch($options['transparency']['type']){
|
|
|
982 |
case 'indexed':
|
|
|
983 |
$tmp=' [ '.$options['transparency']['data'].' '.$options['transparency']['data'].'] ';
|
|
|
984 |
$this->objects[$id]['info']['Mask'] = $tmp;
|
|
|
985 |
break;
|
|
|
986 |
}
|
|
|
987 |
}
|
|
|
988 |
} else {
|
|
|
989 |
$this->objects[$id]['info']['ColorSpace']='/'.$options['color'];
|
|
|
990 |
}
|
|
|
991 |
$this->objects[$id]['info']['BitsPerComponent']=$options['bitsPerComponent'];
|
|
|
992 |
}
|
|
|
993 |
// assign it a place in the named resource dictionary as an external object, according to
|
|
|
994 |
// the label passed in with it.
|
|
|
995 |
$this->o_pages($this->currentNode,'xObject',array('label'=>$options['label'],'objNum'=>$id));
|
|
|
996 |
// also make sure that we have the right procset object for it.
|
|
|
997 |
$this->o_procset($this->procsetObjectId,'add','ImageC');
|
|
|
998 |
break;
|
|
|
999 |
case 'out':
|
|
|
1000 |
$tmp=$o['data'];
|
|
|
1001 |
$res= "\n".$id." 0 obj\n<<";
|
|
|
1002 |
foreach($o['info'] as $k=>$v){
|
|
|
1003 |
$res.="\n/".$k.' '.$v;
|
|
|
1004 |
}
|
|
|
1005 |
if ($this->encrypted){
|
|
|
1006 |
$this->encryptInit($id);
|
|
|
1007 |
$tmp = $this->ARC4($tmp);
|
|
|
1008 |
}
|
|
|
1009 |
$res.="\n/Length ".strlen($tmp)." >>\nstream\n".$tmp."\nendstream\nendobj\n";
|
|
|
1010 |
return $res;
|
|
|
1011 |
break;
|
|
|
1012 |
}
|
|
|
1013 |
}
|
|
|
1014 |
|
|
|
1015 |
/**
|
|
|
1016 |
* encryption object.
|
|
|
1017 |
*/
|
|
|
1018 |
function o_encryption($id,$action,$options=''){
|
|
|
1019 |
if ($action!='new'){
|
|
|
1020 |
$o =& $this->objects[$id];
|
|
|
1021 |
}
|
|
|
1022 |
switch($action){
|
|
|
1023 |
case 'new':
|
|
|
1024 |
// make the new object
|
|
|
1025 |
$this->objects[$id]=array('t'=>'encryption','info'=>$options);
|
|
|
1026 |
$this->arc4_objnum=$id;
|
|
|
1027 |
// figure out the additional paramaters required
|
|
|
1028 |
$pad = chr(0x28).chr(0xBF).chr(0x4E).chr(0x5E).chr(0x4E).chr(0x75).chr(0x8A).chr(0x41).chr(0x64).chr(0x00).chr(0x4E).chr(0x56).chr(0xFF).chr(0xFA).chr(0x01).chr(0x08).chr(0x2E).chr(0x2E).chr(0x00).chr(0xB6).chr(0xD0).chr(0x68).chr(0x3E).chr(0x80).chr(0x2F).chr(0x0C).chr(0xA9).chr(0xFE).chr(0x64).chr(0x53).chr(0x69).chr(0x7A);
|
|
|
1029 |
$len = strlen($options['owner']);
|
|
|
1030 |
if ($len>32){
|
|
|
1031 |
$owner = substr($options['owner'],0,32);
|
|
|
1032 |
} else if ($len<32){
|
|
|
1033 |
$owner = $options['owner'].substr($pad,0,32-$len);
|
|
|
1034 |
} else {
|
|
|
1035 |
$owner = $options['owner'];
|
|
|
1036 |
}
|
|
|
1037 |
$len = strlen($options['user']);
|
|
|
1038 |
if ($len>32){
|
|
|
1039 |
$user = substr($options['user'],0,32);
|
|
|
1040 |
} else if ($len<32){
|
|
|
1041 |
$user = $options['user'].substr($pad,0,32-$len);
|
|
|
1042 |
} else {
|
|
|
1043 |
$user = $options['user'];
|
|
|
1044 |
}
|
|
|
1045 |
$tmp = $this->md5_16($owner);
|
|
|
1046 |
$okey = substr($tmp,0,5);
|
|
|
1047 |
$this->ARC4_init($okey);
|
|
|
1048 |
$ovalue=$this->ARC4($user);
|
|
|
1049 |
$this->objects[$id]['info']['O']=$ovalue;
|
|
|
1050 |
// now make the u value, phew.
|
|
|
1051 |
$tmp = $this->md5_16($user.$ovalue.chr($options['p']).chr(255).chr(255).chr(255).$this->fileIdentifier);
|
|
|
1052 |
$ukey = substr($tmp,0,5);
|
|
|
1053 |
|
|
|
1054 |
$this->ARC4_init($ukey);
|
|
|
1055 |
$this->encryptionKey = $ukey;
|
|
|
1056 |
$this->encrypted=1;
|
|
|
1057 |
$uvalue=$this->ARC4($pad);
|
|
|
1058 |
|
|
|
1059 |
$this->objects[$id]['info']['U']=$uvalue;
|
|
|
1060 |
$this->encryptionKey=$ukey;
|
|
|
1061 |
|
|
|
1062 |
// initialize the arc4 array
|
|
|
1063 |
break;
|
|
|
1064 |
case 'out':
|
|
|
1065 |
$res= "\n".$id." 0 obj\n<<";
|
|
|
1066 |
$res.="\n/Filter /Standard";
|
|
|
1067 |
$res.="\n/V 1";
|
|
|
1068 |
$res.="\n/R 2";
|
|
|
1069 |
$res.="\n/O (".$this->filterText($o['info']['O']).')';
|
|
|
1070 |
$res.="\n/U (".$this->filterText($o['info']['U']).')';
|
|
|
1071 |
// and the p-value needs to be converted to account for the twos-complement approach
|
|
|
1072 |
$o['info']['p'] = (($o['info']['p']^255)+1)*-1;
|
|
|
1073 |
$res.="\n/P ".($o['info']['p']);
|
|
|
1074 |
$res.="\n>>\nendobj\n";
|
|
|
1075 |
|
|
|
1076 |
return $res;
|
|
|
1077 |
break;
|
|
|
1078 |
}
|
|
|
1079 |
}
|
|
|
1080 |
|
|
|
1081 |
/**
|
|
|
1082 |
* ARC4 functions
|
|
|
1083 |
* A series of function to implement ARC4 encoding in PHP
|
|
|
1084 |
*/
|
|
|
1085 |
|
|
|
1086 |
/**
|
|
|
1087 |
* calculate the 16 byte version of the 128 bit md5 digest of the string
|
|
|
1088 |
*/
|
|
|
1089 |
function md5_16($string){
|
|
|
1090 |
$tmp = md5($string);
|
|
|
1091 |
$out='';
|
|
|
1092 |
for ($i=0;$i<=30;$i=$i+2){
|
|
|
1093 |
$out.=chr(hexdec(substr($tmp,$i,2)));
|
|
|
1094 |
}
|
|
|
1095 |
return $out;
|
|
|
1096 |
}
|
|
|
1097 |
|
|
|
1098 |
/**
|
|
|
1099 |
* initialize the encryption for processing a particular object
|
|
|
1100 |
*/
|
|
|
1101 |
function encryptInit($id){
|
|
|
1102 |
$tmp = $this->encryptionKey;
|
|
|
1103 |
$hex = dechex($id);
|
|
|
1104 |
if (strlen($hex)<6){
|
|
|
1105 |
$hex = substr('000000',0,6-strlen($hex)).$hex;
|
|
|
1106 |
}
|
|
|
1107 |
$tmp.= chr(hexdec(substr($hex,4,2))).chr(hexdec(substr($hex,2,2))).chr(hexdec(substr($hex,0,2))).chr(0).chr(0);
|
|
|
1108 |
$key = $this->md5_16($tmp);
|
|
|
1109 |
$this->ARC4_init(substr($key,0,10));
|
|
|
1110 |
}
|
|
|
1111 |
|
|
|
1112 |
/**
|
|
|
1113 |
* initialize the ARC4 encryption
|
|
|
1114 |
*/
|
|
|
1115 |
function ARC4_init($key=''){
|
|
|
1116 |
$this->arc4 = '';
|
|
|
1117 |
// setup the control array
|
|
|
1118 |
if (strlen($key)==0){
|
|
|
1119 |
return;
|
|
|
1120 |
}
|
|
|
1121 |
$k = '';
|
|
|
1122 |
while(strlen($k)<256){
|
|
|
1123 |
$k.=$key;
|
|
|
1124 |
}
|
|
|
1125 |
$k=substr($k,0,256);
|
|
|
1126 |
for ($i=0;$i<256;$i++){
|
|
|
1127 |
$this->arc4 .= chr($i);
|
|
|
1128 |
}
|
|
|
1129 |
$j=0;
|
|
|
1130 |
for ($i=0;$i<256;$i++){
|
|
|
1131 |
$t = $this->arc4[$i];
|
|
|
1132 |
$j = ($j + ord($t) + ord($k[$i]))%256;
|
|
|
1133 |
$this->arc4[$i]=$this->arc4[$j];
|
|
|
1134 |
$this->arc4[$j]=$t;
|
|
|
1135 |
}
|
|
|
1136 |
}
|
|
|
1137 |
|
|
|
1138 |
/**
|
|
|
1139 |
* ARC4 encrypt a text string
|
|
|
1140 |
*/
|
|
|
1141 |
function ARC4($text){
|
|
|
1142 |
$len=strlen($text);
|
|
|
1143 |
$a=0;
|
|
|
1144 |
$b=0;
|
|
|
1145 |
$c = $this->arc4;
|
|
|
1146 |
$out='';
|
|
|
1147 |
for ($i=0;$i<$len;$i++){
|
|
|
1148 |
$a = ($a+1)%256;
|
|
|
1149 |
$t= $c[$a];
|
|
|
1150 |
$b = ($b+ord($t))%256;
|
|
|
1151 |
$c[$a]=$c[$b];
|
|
|
1152 |
$c[$b]=$t;
|
|
|
1153 |
$k = ord($c[(ord($c[$a])+ord($c[$b]))%256]);
|
|
|
1154 |
$out.=chr(ord($text[$i]) ^ $k);
|
|
|
1155 |
}
|
|
|
1156 |
|
|
|
1157 |
return $out;
|
|
|
1158 |
}
|
|
|
1159 |
|
|
|
1160 |
/**
|
|
|
1161 |
* functions which can be called to adjust or add to the document
|
|
|
1162 |
*/
|
|
|
1163 |
|
|
|
1164 |
/**
|
|
|
1165 |
* add a link in the document to an external URL
|
|
|
1166 |
*/
|
|
|
1167 |
function addLink($url,$x0,$y0,$x1,$y1){
|
|
|
1168 |
$this->numObj++;
|
|
|
1169 |
$info = array('type'=>'link','url'=>$url,'rect'=>array($x0,$y0,$x1,$y1));
|
|
|
1170 |
$this->o_annotation($this->numObj,'new',$info);
|
|
|
1171 |
}
|
|
|
1172 |
|
|
|
1173 |
/**
|
|
|
1174 |
* add a link in the document to an internal destination (ie. within the document)
|
|
|
1175 |
*/
|
|
|
1176 |
function addInternalLink($label,$x0,$y0,$x1,$y1){
|
|
|
1177 |
$this->numObj++;
|
|
|
1178 |
$info = array('type'=>'ilink','label'=>$label,'rect'=>array($x0,$y0,$x1,$y1));
|
|
|
1179 |
$this->o_annotation($this->numObj,'new',$info);
|
|
|
1180 |
}
|
|
|
1181 |
|
|
|
1182 |
/**
|
|
|
1183 |
* set the encryption of the document
|
|
|
1184 |
* can be used to turn it on and/or set the passwords which it will have.
|
|
|
1185 |
* also the functions that the user will have are set here, such as print, modify, add
|
|
|
1186 |
*/
|
|
|
1187 |
function setEncryption($userPass='',$ownerPass='',$pc=array()){
|
|
|
1188 |
$p=bindec(11000000);
|
|
|
1189 |
|
|
|
1190 |
$options = array(
|
|
|
1191 |
'print'=>4
|
|
|
1192 |
,'modify'=>8
|
|
|
1193 |
,'copy'=>16
|
|
|
1194 |
,'add'=>32
|
|
|
1195 |
);
|
|
|
1196 |
foreach($pc as $k=>$v){
|
|
|
1197 |
if ($v && isset($options[$k])){
|
|
|
1198 |
$p+=$options[$k];
|
|
|
1199 |
} else if (isset($options[$v])){
|
|
|
1200 |
$p+=$options[$v];
|
|
|
1201 |
}
|
|
|
1202 |
}
|
|
|
1203 |
// implement encryption on the document
|
|
|
1204 |
if ($this->arc4_objnum == 0){
|
|
|
1205 |
// then the block does not exist already, add it.
|
|
|
1206 |
$this->numObj++;
|
|
|
1207 |
if (strlen($ownerPass)==0){
|
|
|
1208 |
$ownerPass=$userPass;
|
|
|
1209 |
}
|
|
|
1210 |
$this->o_encryption($this->numObj,'new',array('user'=>$userPass,'owner'=>$ownerPass,'p'=>$p));
|
|
|
1211 |
}
|
|
|
1212 |
}
|
|
|
1213 |
|
|
|
1214 |
/**
|
|
|
1215 |
* should be used for internal checks, not implemented as yet
|
|
|
1216 |
*/
|
|
|
1217 |
function checkAllHere(){
|
|
|
1218 |
}
|
|
|
1219 |
|
|
|
1220 |
/**
|
|
|
1221 |
* return the pdf stream as a string returned from the function
|
|
|
1222 |
*/
|
|
|
1223 |
function output($debug=0){
|
|
|
1224 |
|
|
|
1225 |
if ($debug){
|
|
|
1226 |
// turn compression off
|
|
|
1227 |
$this->options['compression']=0;
|
|
|
1228 |
}
|
|
|
1229 |
|
|
|
1230 |
if ($this->arc4_objnum){
|
|
|
1231 |
$this->ARC4_init($this->encryptionKey);
|
|
|
1232 |
}
|
|
|
1233 |
|
|
|
1234 |
$this->checkAllHere();
|
|
|
1235 |
|
|
|
1236 |
$xref=array();
|
|
|
1237 |
$content="%PDF-1.3\n%âãÏÓ\n";
|
|
|
1238 |
// $content="%PDF-1.3\n";
|
|
|
1239 |
$pos=strlen($content);
|
|
|
1240 |
foreach($this->objects as $k=>$v){
|
|
|
1241 |
$tmp='o_'.$v['t'];
|
|
|
1242 |
$cont=$this->$tmp($k,'out');
|
|
|
1243 |
$content.=$cont;
|
|
|
1244 |
$xref[]=$pos;
|
|
|
1245 |
$pos+=strlen($cont);
|
|
|
1246 |
}
|
|
|
1247 |
$content.="\nxref\n0 ".(count($xref)+1)."\n0000000000 65535 f \n";
|
|
|
1248 |
foreach($xref as $p){
|
|
|
1249 |
$content.=substr('0000000000',0,10-strlen($p)).$p." 00000 n \n";
|
|
|
1250 |
}
|
|
|
1251 |
$content.="\ntrailer\n << /Size ".(count($xref)+1)."\n /Root 1 0 R\n /Info ".$this->infoObject." 0 R\n";
|
|
|
1252 |
// if encryption has been applied to this document then add the marker for this dictionary
|
|
|
1253 |
if ($this->arc4_objnum > 0){
|
|
|
1254 |
$content .= "/Encrypt ".$this->arc4_objnum." 0 R\n";
|
|
|
1255 |
}
|
|
|
1256 |
if (strlen($this->fileIdentifier)){
|
|
|
1257 |
$content .= "/ID[<".$this->fileIdentifier."><".$this->fileIdentifier.">]\n";
|
|
|
1258 |
}
|
|
|
1259 |
$content .= " >>\nstartxref\n".$pos."\n%%EOF\n";
|
|
|
1260 |
return $content;
|
|
|
1261 |
}
|
|
|
1262 |
|
|
|
1263 |
/**
|
|
|
1264 |
* intialize a new document
|
|
|
1265 |
* if this is called on an existing document results may be unpredictable, but the existing document would be lost at minimum
|
|
|
1266 |
* this function is called automatically by the constructor function
|
|
|
1267 |
*
|
|
|
1268 |
* @access private
|
|
|
1269 |
*/
|
|
|
1270 |
function newDocument($pageSize=array(0,0,612,792)){
|
|
|
1271 |
$this->numObj=0;
|
|
|
1272 |
$this->objects = array();
|
|
|
1273 |
|
|
|
1274 |
$this->numObj++;
|
|
|
1275 |
$this->o_catalog($this->numObj,'new');
|
|
|
1276 |
|
|
|
1277 |
$this->numObj++;
|
|
|
1278 |
$this->o_outlines($this->numObj,'new');
|
|
|
1279 |
|
|
|
1280 |
$this->numObj++;
|
|
|
1281 |
$this->o_pages($this->numObj,'new');
|
|
|
1282 |
|
|
|
1283 |
$this->o_pages($this->numObj,'mediaBox',$pageSize);
|
|
|
1284 |
$this->currentNode = 3;
|
|
|
1285 |
|
|
|
1286 |
$this->numObj++;
|
|
|
1287 |
$this->o_procset($this->numObj,'new');
|
|
|
1288 |
|
|
|
1289 |
$this->numObj++;
|
|
|
1290 |
$this->o_info($this->numObj,'new');
|
|
|
1291 |
|
|
|
1292 |
$this->numObj++;
|
|
|
1293 |
$this->o_page($this->numObj,'new');
|
|
|
1294 |
|
|
|
1295 |
// need to store the first page id as there is no way to get it to the user during
|
|
|
1296 |
// startup
|
|
|
1297 |
$this->firstPageId = $this->currentContents;
|
|
|
1298 |
}
|
|
|
1299 |
|
|
|
1300 |
/**
|
|
|
1301 |
* open the font file and return a php structure containing it.
|
|
|
1302 |
* first check if this one has been done before and saved in a form more suited to php
|
|
|
1303 |
* note that if a php serialized version does not exist it will try and make one, but will
|
|
|
1304 |
* require write access to the directory to do it... it is MUCH faster to have these serialized
|
|
|
1305 |
* files.
|
|
|
1306 |
*
|
|
|
1307 |
* @access private
|
|
|
1308 |
*/
|
|
|
1309 |
function openFont($font){
|
|
|
1310 |
// assume that $font contains both the path and perhaps the extension to the file, split them
|
|
|
1311 |
$pos=strrpos($font,'/');
|
|
|
1312 |
if ($pos===false){
|
|
|
1313 |
$dir = './';
|
|
|
1314 |
$name = $font;
|
|
|
1315 |
} else {
|
|
|
1316 |
$dir=substr($font,0,$pos+1);
|
|
|
1317 |
$name=substr($font,$pos+1);
|
|
|
1318 |
}
|
|
|
1319 |
|
|
|
1320 |
if (substr($name,-4)=='.afm'){
|
|
|
1321 |
$name=substr($name,0,strlen($name)-4);
|
|
|
1322 |
}
|
|
|
1323 |
$this->addMessage('openFont: '.$font.' - '.$name);
|
|
|
1324 |
if (file_exists($dir.'php_'.$name.'.afm')){
|
|
|
1325 |
$this->addMessage('openFont: php file exists '.$dir.'php_'.$name.'.afm');
|
|
|
1326 |
$tmp = file($dir.'php_'.$name.'.afm');
|
|
|
1327 |
$this->fonts[$font]=unserialize($tmp[0]);
|
|
|
1328 |
if (!isset($this->fonts[$font]['_version_']) || $this->fonts[$font]['_version_']<1){
|
|
|
1329 |
// if the font file is old, then clear it out and prepare for re-creation
|
|
|
1330 |
$this->addMessage('openFont: clear out, make way for new version.');
|
|
|
1331 |
unset($this->fonts[$font]);
|
|
|
1332 |
}
|
|
|
1333 |
}
|
|
|
1334 |
if (!isset($this->fonts[$font]) && file_exists($dir.$name.'.afm')){
|
|
|
1335 |
// then rebuild the php_<font>.afm file from the <font>.afm file
|
|
|
1336 |
$this->addMessage('openFont: build php file from '.$dir.$name.'.afm');
|
|
|
1337 |
$data = array();
|
|
|
1338 |
$file = file($dir.$name.'.afm');
|
|
|
1339 |
foreach ($file as $rowA){
|
|
|
1340 |
$row=trim($rowA);
|
|
|
1341 |
$pos=strpos($row,' ');
|
|
|
1342 |
if ($pos){
|
|
|
1343 |
// then there must be some keyword
|
|
|
1344 |
$key = substr($row,0,$pos);
|
|
|
1345 |
switch ($key){
|
|
|
1346 |
case 'FontName':
|
|
|
1347 |
case 'FullName':
|
|
|
1348 |
case 'FamilyName':
|
|
|
1349 |
case 'Weight':
|
|
|
1350 |
case 'ItalicAngle':
|
|
|
1351 |
case 'IsFixedPitch':
|
|
|
1352 |
case 'CharacterSet':
|
|
|
1353 |
case 'UnderlinePosition':
|
|
|
1354 |
case 'UnderlineThickness':
|
|
|
1355 |
case 'Version':
|
|
|
1356 |
case 'EncodingScheme':
|
|
|
1357 |
case 'CapHeight':
|
|
|
1358 |
case 'XHeight':
|
|
|
1359 |
case 'Ascender':
|
|
|
1360 |
case 'Descender':
|
|
|
1361 |
case 'StdHW':
|
|
|
1362 |
case 'StdVW':
|
|
|
1363 |
case 'StartCharMetrics':
|
|
|
1364 |
$data[$key]=trim(substr($row,$pos));
|
|
|
1365 |
break;
|
|
|
1366 |
case 'FontBBox':
|
|
|
1367 |
$data[$key]=explode(' ',trim(substr($row,$pos)));
|
|
|
1368 |
break;
|
|
|
1369 |
case 'C':
|
|
|
1370 |
//C 39 ; WX 222 ; N quoteright ; B 53 463 157 718 ;
|
|
|
1371 |
$bits=explode(';',trim($row));
|
|
|
1372 |
$dtmp=array();
|
|
|
1373 |
foreach($bits as $bit){
|
|
|
1374 |
$bits2 = explode(' ',trim($bit));
|
|
|
1375 |
if (strlen($bits2[0])){
|
|
|
1376 |
if (count($bits2)>2){
|
|
|
1377 |
$dtmp[$bits2[0]]=array();
|
|
|
1378 |
for ($i=1;$i<count($bits2);$i++){
|
|
|
1379 |
$dtmp[$bits2[0]][]=$bits2[$i];
|
|
|
1380 |
}
|
|
|
1381 |
} else if (count($bits2)==2){
|
|
|
1382 |
$dtmp[$bits2[0]]=$bits2[1];
|
|
|
1383 |
}
|
|
|
1384 |
}
|
|
|
1385 |
}
|
|
|
1386 |
if ($dtmp['C']>=0){
|
|
|
1387 |
$data['C'][$dtmp['C']]=$dtmp;
|
|
|
1388 |
$data['C'][$dtmp['N']]=$dtmp;
|
|
|
1389 |
} else {
|
|
|
1390 |
$data['C'][$dtmp['N']]=$dtmp;
|
|
|
1391 |
}
|
|
|
1392 |
break;
|
|
|
1393 |
case 'KPX':
|
|
|
1394 |
//KPX Adieresis yacute -40
|
|
|
1395 |
$bits=explode(' ',trim($row));
|
|
|
1396 |
$data['KPX'][$bits[1]][$bits[2]]=$bits[3];
|
|
|
1397 |
break;
|
|
|
1398 |
}
|
|
|
1399 |
}
|
|
|
1400 |
}
|
|
|
1401 |
$data['_version_']=1;
|
|
|
1402 |
$this->fonts[$font]=$data;
|
|
|
1403 |
$fp = fopen($dir.'php_'.$name.'.afm','w');
|
|
|
1404 |
fwrite($fp,serialize($data));
|
|
|
1405 |
fclose($fp);
|
|
|
1406 |
} else if (!isset($this->fonts[$font])){
|
|
|
1407 |
$this->addMessage('openFont: no font file found');
|
|
|
1408 |
// echo 'Font not Found '.$font;
|
|
|
1409 |
}
|
|
|
1410 |
}
|
|
|
1411 |
|
|
|
1412 |
/**
|
|
|
1413 |
* if the font is not loaded then load it and make the required object
|
|
|
1414 |
* else just make it the current font
|
|
|
1415 |
* the encoding array can contain 'encoding'=> 'none','WinAnsiEncoding','MacRomanEncoding' or 'MacExpertEncoding'
|
|
|
1416 |
* note that encoding='none' will need to be used for symbolic fonts
|
|
|
1417 |
* and 'differences' => an array of mappings between numbers 0->255 and character names.
|
|
|
1418 |
*
|
|
|
1419 |
*/
|
|
|
1420 |
function selectFont($fontName,$encoding='',$set=1){
|
|
|
1421 |
if (!isset($this->fonts[$fontName])){
|
|
|
1422 |
// load the file
|
|
|
1423 |
$this->openFont($fontName);
|
|
|
1424 |
if (isset($this->fonts[$fontName])){
|
|
|
1425 |
$this->numObj++;
|
|
|
1426 |
$this->numFonts++;
|
|
|
1427 |
$pos=strrpos($fontName,'/');
|
|
|
1428 |
// $dir=substr($fontName,0,$pos+1);
|
|
|
1429 |
$name=substr($fontName,$pos+1);
|
|
|
1430 |
if (substr($name,-4)=='.afm'){
|
|
|
1431 |
$name=substr($name,0,strlen($name)-4);
|
|
|
1432 |
}
|
|
|
1433 |
$options=array('name'=>$name);
|
|
|
1434 |
if (is_array($encoding)){
|
|
|
1435 |
// then encoding and differences might be set
|
|
|
1436 |
if (isset($encoding['encoding'])){
|
|
|
1437 |
$options['encoding']=$encoding['encoding'];
|
|
|
1438 |
}
|
|
|
1439 |
if (isset($encoding['differences'])){
|
|
|
1440 |
$options['differences']=$encoding['differences'];
|
|
|
1441 |
}
|
|
|
1442 |
} else if (strlen($encoding)){
|
|
|
1443 |
// then perhaps only the encoding has been set
|
|
|
1444 |
$options['encoding']=$encoding;
|
|
|
1445 |
}
|
|
|
1446 |
$fontObj = $this->numObj;
|
|
|
1447 |
$this->o_font($this->numObj,'new',$options);
|
|
|
1448 |
$this->fonts[$fontName]['fontNum']=$this->numFonts;
|
|
|
1449 |
// if this is a '.afm' font, and there is a '.pfa' file to go with it ( as there
|
|
|
1450 |
// should be for all non-basic fonts), then load it into an object and put the
|
|
|
1451 |
// references into the font object
|
|
|
1452 |
$basefile = substr($fontName,0,strlen($fontName)-4);
|
|
|
1453 |
if (file_exists($basefile.'.pfb')){
|
|
|
1454 |
$fbtype = 'pfb';
|
|
|
1455 |
} else if (file_exists($basefile.'.ttf')){
|
|
|
1456 |
$fbtype = 'ttf';
|
|
|
1457 |
} else {
|
|
|
1458 |
$fbtype='';
|
|
|
1459 |
}
|
|
|
1460 |
$fbfile = $basefile.'.'.$fbtype;
|
|
|
1461 |
|
|
|
1462 |
// $pfbfile = substr($fontName,0,strlen($fontName)-4).'.pfb';
|
|
|
1463 |
// $ttffile = substr($fontName,0,strlen($fontName)-4).'.ttf';
|
|
|
1464 |
$this->addMessage('selectFont: checking for - '.$fbfile);
|
|
|
1465 |
if (substr($fontName,-4)=='.afm' && strlen($fbtype) ){
|
|
|
1466 |
$adobeFontName = $this->fonts[$fontName]['FontName'];
|
|
|
1467 |
// $fontObj = $this->numObj;
|
|
|
1468 |
$this->addMessage('selectFont: adding font file - '.$fbfile.' - '.$adobeFontName);
|
|
|
1469 |
// find the array of fond widths, and put that into an object.
|
|
|
1470 |
$firstChar = -1;
|
|
|
1471 |
$lastChar = 0;
|
|
|
1472 |
$widths = array();
|
|
|
1473 |
foreach ($this->fonts[$fontName]['C'] as $num=>$d){
|
|
|
1474 |
if (intval($num)>0 || $num=='0'){
|
|
|
1475 |
if ($lastChar>0 && $num>$lastChar+1){
|
|
|
1476 |
for($i=$lastChar+1;$i<$num;$i++){
|
|
|
1477 |
$widths[] = 0;
|
|
|
1478 |
}
|
|
|
1479 |
}
|
|
|
1480 |
$widths[] = $d['WX'];
|
|
|
1481 |
if ($firstChar==-1){
|
|
|
1482 |
$firstChar = $num;
|
|
|
1483 |
}
|
|
|
1484 |
$lastChar = $num;
|
|
|
1485 |
}
|
|
|
1486 |
}
|
|
|
1487 |
// also need to adjust the widths for the differences array
|
|
|
1488 |
if (isset($options['differences'])){
|
|
|
1489 |
foreach($options['differences'] as $charNum=>$charName){
|
|
|
1490 |
if ($charNum>$lastChar){
|
|
|
1491 |
for($i=$lastChar+1;$i<=$charNum;$i++){
|
|
|
1492 |
$widths[]=0;
|
|
|
1493 |
}
|
|
|
1494 |
$lastChar=$charNum;
|
|
|
1495 |
}
|
|
|
1496 |
if (isset($this->fonts[$fontName]['C'][$charName])){
|
|
|
1497 |
$widths[$charNum-$firstChar]=$this->fonts[$fontName]['C'][$charName]['WX'];
|
|
|
1498 |
}
|
|
|
1499 |
}
|
|
|
1500 |
}
|
|
|
1501 |
$this->addMessage('selectFont: FirstChar='.$firstChar);
|
|
|
1502 |
$this->addMessage('selectFont: LastChar='.$lastChar);
|
|
|
1503 |
$this->numObj++;
|
|
|
1504 |
$this->o_contents($this->numObj,'new','raw');
|
|
|
1505 |
$this->objects[$this->numObj]['c'].='[';
|
|
|
1506 |
foreach($widths as $width){
|
|
|
1507 |
$this->objects[$this->numObj]['c'].=' '.$width;
|
|
|
1508 |
}
|
|
|
1509 |
$this->objects[$this->numObj]['c'].=' ]';
|
|
|
1510 |
$widthid = $this->numObj;
|
|
|
1511 |
|
|
|
1512 |
// load the pfb file, and put that into an object too.
|
|
|
1513 |
// note that pdf supports only binary format type 1 font files, though there is a
|
|
|
1514 |
// simple utility to convert them from pfa to pfb.
|
|
|
1515 |
$fp = fopen($fbfile,'rb');
|
|
|
1516 |
$tmp = get_magic_quotes_runtime();
|
|
|
1517 |
set_magic_quotes_runtime(0);
|
|
|
1518 |
$data = fread($fp,filesize($fbfile));
|
|
|
1519 |
set_magic_quotes_runtime($tmp);
|
|
|
1520 |
fclose($fp);
|
|
|
1521 |
|
|
|
1522 |
// create the font descriptor
|
|
|
1523 |
$this->numObj++;
|
|
|
1524 |
$fontDescriptorId = $this->numObj;
|
|
|
1525 |
$this->numObj++;
|
|
|
1526 |
$pfbid = $this->numObj;
|
|
|
1527 |
// determine flags (more than a little flakey, hopefully will not matter much)
|
|
|
1528 |
$flags=0;
|
|
|
1529 |
if ($this->fonts[$fontName]['ItalicAngle']!=0){ $flags+=pow(2,6); }
|
|
|
1530 |
if ($this->fonts[$fontName]['IsFixedPitch']=='true'){ $flags+=1; }
|
|
|
1531 |
$flags+=pow(2,5); // assume non-sybolic
|
|
|
1532 |
|
|
|
1533 |
$list = array('Ascent'=>'Ascender','CapHeight'=>'CapHeight','Descent'=>'Descender','FontBBox'=>'FontBBox','ItalicAngle'=>'ItalicAngle');
|
|
|
1534 |
$fdopt = array(
|
|
|
1535 |
'Flags'=>$flags
|
|
|
1536 |
,'FontName'=>$adobeFontName
|
|
|
1537 |
,'StemV'=>100 // don't know what the value for this should be!
|
|
|
1538 |
);
|
|
|
1539 |
foreach($list as $k=>$v){
|
|
|
1540 |
if (isset($this->fonts[$fontName][$v])){
|
|
|
1541 |
$fdopt[$k]=$this->fonts[$fontName][$v];
|
|
|
1542 |
}
|
|
|
1543 |
}
|
|
|
1544 |
|
|
|
1545 |
if ($fbtype=='pfb'){
|
|
|
1546 |
$fdopt['FontFile']=$pfbid;
|
|
|
1547 |
} else if ($fbtype=='ttf'){
|
|
|
1548 |
$fdopt['FontFile2']=$pfbid;
|
|
|
1549 |
}
|
|
|
1550 |
$this->o_fontDescriptor($fontDescriptorId,'new',$fdopt);
|
|
|
1551 |
|
|
|
1552 |
// embed the font program
|
|
|
1553 |
$this->o_contents($this->numObj,'new');
|
|
|
1554 |
$this->objects[$pfbid]['c'].=$data;
|
|
|
1555 |
// determine the cruicial lengths within this file
|
|
|
1556 |
if ($fbtype=='pfb'){
|
|
|
1557 |
$l1 = strpos($data,'eexec')+6;
|
|
|
1558 |
$l2 = strpos($data,'00000000')-$l1;
|
|
|
1559 |
$l3 = strlen($data)-$l2-$l1;
|
|
|
1560 |
$this->o_contents($this->numObj,'add',array('Length1'=>$l1,'Length2'=>$l2,'Length3'=>$l3));
|
|
|
1561 |
} else if ($fbtype=='ttf'){
|
|
|
1562 |
$l1 = strlen($data);
|
|
|
1563 |
$this->o_contents($this->numObj,'add',array('Length1'=>$l1));
|
|
|
1564 |
}
|
|
|
1565 |
|
|
|
1566 |
|
|
|
1567 |
// tell the font object about all this new stuff
|
|
|
1568 |
$tmp = array('BaseFont'=>$adobeFontName,'Widths'=>$widthid
|
|
|
1569 |
,'FirstChar'=>$firstChar,'LastChar'=>$lastChar
|
|
|
1570 |
,'FontDescriptor'=>$fontDescriptorId);
|
|
|
1571 |
if ($fbtype=='ttf'){
|
|
|
1572 |
$tmp['SubType']='TrueType';
|
|
|
1573 |
}
|
|
|
1574 |
$this->addMessage('adding extra info to font.('.$fontObj.')');
|
|
|
1575 |
foreach($tmp as $fk=>$fv){
|
|
|
1576 |
$this->addMessage($fk." : ".$fv);
|
|
|
1577 |
}
|
|
|
1578 |
$this->o_font($fontObj,'add',$tmp);
|
|
|
1579 |
|
|
|
1580 |
} else {
|
|
|
1581 |
$this->addMessage('selectFont: pfb or ttf file not found, ok if this is one of the 14 standard fonts');
|
|
|
1582 |
}
|
|
|
1583 |
|
|
|
1584 |
|
|
|
1585 |
// also set the differences here, note that this means that these will take effect only the
|
|
|
1586 |
//first time that a font is selected, else they are ignored
|
|
|
1587 |
if (isset($options['differences'])){
|
|
|
1588 |
$this->fonts[$fontName]['differences']=$options['differences'];
|
|
|
1589 |
}
|
|
|
1590 |
}
|
|
|
1591 |
}
|
|
|
1592 |
if ($set && isset($this->fonts[$fontName])){
|
|
|
1593 |
// so if for some reason the font was not set in the last one then it will not be selected
|
|
|
1594 |
$this->currentBaseFont=$fontName;
|
|
|
1595 |
// the next line means that if a new font is selected, then the current text state will be
|
|
|
1596 |
// applied to it as well.
|
|
|
1597 |
$this->setCurrentFont();
|
|
|
1598 |
}
|
|
|
1599 |
return $this->currentFontNum;
|
|
|
1600 |
}
|
|
|
1601 |
|
|
|
1602 |
/**
|
|
|
1603 |
* sets up the current font, based on the font families, and the current text state
|
|
|
1604 |
* note that this system is quite flexible, a <<b>><<i>> font can be completely different to a
|
|
|
1605 |
* <<i>><<b>> font, and even <<b>><<b>> will have to be defined within the family to have meaning
|
|
|
1606 |
* This function is to be called whenever the currentTextState is changed, it will update
|
|
|
1607 |
* the currentFont setting to whatever the appropriatte family one is.
|
|
|
1608 |
* If the user calls selectFont themselves then that will reset the currentBaseFont, and the currentFont
|
|
|
1609 |
* This function will change the currentFont to whatever it should be, but will not change the
|
|
|
1610 |
* currentBaseFont.
|
|
|
1611 |
*
|
|
|
1612 |
* @access private
|
|
|
1613 |
*/
|
|
|
1614 |
function setCurrentFont(){
|
|
|
1615 |
if (strlen($this->currentBaseFont)==0){
|
|
|
1616 |
// then assume an initial font
|
|
|
1617 |
$this->selectFont('./fonts/Helvetica.afm');
|
|
|
1618 |
}
|
|
|
1619 |
$cf = substr($this->currentBaseFont,strrpos($this->currentBaseFont,'/')+1);
|
|
|
1620 |
if (strlen($this->currentTextState)
|
|
|
1621 |
&& isset($this->fontFamilies[$cf])
|
|
|
1622 |
&& isset($this->fontFamilies[$cf][$this->currentTextState])){
|
|
|
1623 |
// then we are in some state or another
|
|
|
1624 |
// and this font has a family, and the current setting exists within it
|
|
|
1625 |
// select the font, then return it
|
|
|
1626 |
$nf = substr($this->currentBaseFont,0,strrpos($this->currentBaseFont,'/')+1).$this->fontFamilies[$cf][$this->currentTextState];
|
|
|
1627 |
$this->selectFont($nf,'',0);
|
|
|
1628 |
$this->currentFont = $nf;
|
|
|
1629 |
$this->currentFontNum = $this->fonts[$nf]['fontNum'];
|
|
|
1630 |
} else {
|
|
|
1631 |
// the this font must not have the right family member for the current state
|
|
|
1632 |
// simply assume the base font
|
|
|
1633 |
$this->currentFont = $this->currentBaseFont;
|
|
|
1634 |
$this->currentFontNum = $this->fonts[$this->currentFont]['fontNum'];
|
|
|
1635 |
}
|
|
|
1636 |
}
|
|
|
1637 |
|
|
|
1638 |
/**
|
|
|
1639 |
* function for the user to find out what the ID is of the first page that was created during
|
|
|
1640 |
* startup - useful if they wish to add something to it later.
|
|
|
1641 |
*/
|
|
|
1642 |
function getFirstPageId(){
|
|
|
1643 |
return $this->firstPageId;
|
|
|
1644 |
}
|
|
|
1645 |
|
|
|
1646 |
/**
|
|
|
1647 |
* add content to the currently active object
|
|
|
1648 |
*
|
|
|
1649 |
* @access private
|
|
|
1650 |
*/
|
|
|
1651 |
function addContent($content){
|
|
|
1652 |
$this->objects[$this->currentContents]['c'].=$content;
|
|
|
1653 |
}
|
|
|
1654 |
|
|
|
1655 |
/**
|
|
|
1656 |
* sets the colour for fill operations
|
|
|
1657 |
*/
|
|
|
1658 |
function setColor($r,$g,$b,$force=0){
|
|
|
1659 |
if ($r>=0 && ($force || $r!=$this->currentColour['r'] || $g!=$this->currentColour['g'] || $b!=$this->currentColour['b'])){
|
|
|
1660 |
$this->objects[$this->currentContents]['c'].="\n".sprintf('%.3f',$r).' '.sprintf('%.3f',$g).' '.sprintf('%.3f',$b).' rg';
|
|
|
1661 |
$this->currentColour=array('r'=>$r,'g'=>$g,'b'=>$b);
|
|
|
1662 |
}
|
|
|
1663 |
}
|
|
|
1664 |
|
|
|
1665 |
/**
|
|
|
1666 |
* sets the colour for stroke operations
|
|
|
1667 |
*/
|
|
|
1668 |
function setStrokeColor($r,$g,$b,$force=0){
|
|
|
1669 |
if ($r>=0 && ($force || $r!=$this->currentStrokeColour['r'] || $g!=$this->currentStrokeColour['g'] || $b!=$this->currentStrokeColour['b'])){
|
|
|
1670 |
$this->objects[$this->currentContents]['c'].="\n".sprintf('%.3f',$r).' '.sprintf('%.3f',$g).' '.sprintf('%.3f',$b).' RG';
|
|
|
1671 |
$this->currentStrokeColour=array('r'=>$r,'g'=>$g,'b'=>$b);
|
|
|
1672 |
}
|
|
|
1673 |
}
|
|
|
1674 |
|
|
|
1675 |
/**
|
|
|
1676 |
* draw a line from one set of coordinates to another
|
|
|
1677 |
*/
|
|
|
1678 |
function line($x1,$y1,$x2,$y2){
|
|
|
1679 |
$this->objects[$this->currentContents]['c'].="\n".sprintf('%.3f',$x1).' '.sprintf('%.3f',$y1).' m '.sprintf('%.3f',$x2).' '.sprintf('%.3f',$y2).' l S';
|
|
|
1680 |
}
|
|
|
1681 |
|
|
|
1682 |
/**
|
|
|
1683 |
* draw a bezier curve based on 4 control points
|
|
|
1684 |
*/
|
|
|
1685 |
function curve($x0,$y0,$x1,$y1,$x2,$y2,$x3,$y3){
|
|
|
1686 |
// in the current line style, draw a bezier curve from (x0,y0) to (x3,y3) using the other two points
|
|
|
1687 |
// as the control points for the curve.
|
|
|
1688 |
$this->objects[$this->currentContents]['c'].="\n".sprintf('%.3f',$x0).' '.sprintf('%.3f',$y0).' m '.sprintf('%.3f',$x1).' '.sprintf('%.3f',$y1);
|
|
|
1689 |
$this->objects[$this->currentContents]['c'].= ' '.sprintf('%.3f',$x2).' '.sprintf('%.3f',$y2).' '.sprintf('%.3f',$x3).' '.sprintf('%.3f',$y3).' c S';
|
|
|
1690 |
}
|
|
|
1691 |
|
|
|
1692 |
/**
|
|
|
1693 |
* draw a part of an ellipse
|
|
|
1694 |
*/
|
|
|
1695 |
function partEllipse($x0,$y0,$astart,$afinish,$r1,$r2=0,$angle=0,$nSeg=8){
|
|
|
1696 |
$this->ellipse($x0,$y0,$r1,$r2,$angle,$nSeg,$astart,$afinish,0);
|
|
|
1697 |
}
|
|
|
1698 |
|
|
|
1699 |
/**
|
|
|
1700 |
* draw a filled ellipse
|
|
|
1701 |
*/
|
|
|
1702 |
function filledEllipse($x0,$y0,$r1,$r2=0,$angle=0,$nSeg=8,$astart=0,$afinish=360){
|
|
|
1703 |
return $this->ellipse($x0,$y0,$r1,$r2=0,$angle,$nSeg,$astart,$afinish,1,1);
|
|
|
1704 |
}
|
|
|
1705 |
|
|
|
1706 |
/**
|
|
|
1707 |
* draw an ellipse
|
|
|
1708 |
* note that the part and filled ellipse are just special cases of this function
|
|
|
1709 |
*
|
|
|
1710 |
* draws an ellipse in the current line style
|
|
|
1711 |
* centered at $x0,$y0, radii $r1,$r2
|
|
|
1712 |
* if $r2 is not set, then a circle is drawn
|
|
|
1713 |
* nSeg is not allowed to be less than 2, as this will simply draw a line (and will even draw a
|
|
|
1714 |
* pretty crappy shape at 2, as we are approximating with bezier curves.
|
|
|
1715 |
*/
|
|
|
1716 |
function ellipse($x0,$y0,$r1,$r2=0,$angle=0,$nSeg=8,$astart=0,$afinish=360,$close=1,$fill=0){
|
|
|
1717 |
if ($r1==0){
|
|
|
1718 |
return;
|
|
|
1719 |
}
|
|
|
1720 |
if ($r2==0){
|
|
|
1721 |
$r2=$r1;
|
|
|
1722 |
}
|
|
|
1723 |
if ($nSeg<2){
|
|
|
1724 |
$nSeg=2;
|
|
|
1725 |
}
|
|
|
1726 |
|
|
|
1727 |
$astart = deg2rad((float)$astart);
|
|
|
1728 |
$afinish = deg2rad((float)$afinish);
|
|
|
1729 |
$totalAngle =$afinish-$astart;
|
|
|
1730 |
|
|
|
1731 |
$dt = $totalAngle/$nSeg;
|
|
|
1732 |
$dtm = $dt/3;
|
|
|
1733 |
|
|
|
1734 |
if ($angle != 0){
|
|
|
1735 |
$a = -1*deg2rad((float)$angle);
|
|
|
1736 |
$tmp = "\n q ";
|
|
|
1737 |
$tmp .= sprintf('%.3f',cos($a)).' '.sprintf('%.3f',(-1.0*sin($a))).' '.sprintf('%.3f',sin($a)).' '.sprintf('%.3f',cos($a)).' ';
|
|
|
1738 |
$tmp .= sprintf('%.3f',$x0).' '.sprintf('%.3f',$y0).' cm';
|
|
|
1739 |
$this->objects[$this->currentContents]['c'].= $tmp;
|
|
|
1740 |
$x0=0;
|
|
|
1741 |
$y0=0;
|
|
|
1742 |
}
|
|
|
1743 |
|
|
|
1744 |
$t1 = $astart;
|
|
|
1745 |
$a0 = $x0+$r1*cos($t1);
|
|
|
1746 |
$b0 = $y0+$r2*sin($t1);
|
|
|
1747 |
$c0 = -$r1*sin($t1);
|
|
|
1748 |
$d0 = $r2*cos($t1);
|
|
|
1749 |
|
|
|
1750 |
$this->objects[$this->currentContents]['c'].="\n".sprintf('%.3f',$a0).' '.sprintf('%.3f',$b0).' m ';
|
|
|
1751 |
for ($i=1;$i<=$nSeg;$i++){
|
|
|
1752 |
// draw this bit of the total curve
|
|
|
1753 |
$t1 = $i*$dt+$astart;
|
|
|
1754 |
$a1 = $x0+$r1*cos($t1);
|
|
|
1755 |
$b1 = $y0+$r2*sin($t1);
|
|
|
1756 |
$c1 = -$r1*sin($t1);
|
|
|
1757 |
$d1 = $r2*cos($t1);
|
|
|
1758 |
$this->objects[$this->currentContents]['c'].="\n".sprintf('%.3f',($a0+$c0*$dtm)).' '.sprintf('%.3f',($b0+$d0*$dtm));
|
|
|
1759 |
$this->objects[$this->currentContents]['c'].= ' '.sprintf('%.3f',($a1-$c1*$dtm)).' '.sprintf('%.3f',($b1-$d1*$dtm)).' '.sprintf('%.3f',$a1).' '.sprintf('%.3f',$b1).' c';
|
|
|
1760 |
$a0=$a1;
|
|
|
1761 |
$b0=$b1;
|
|
|
1762 |
$c0=$c1;
|
|
|
1763 |
$d0=$d1;
|
|
|
1764 |
}
|
|
|
1765 |
if ($fill){
|
|
|
1766 |
$this->objects[$this->currentContents]['c'].=' f';
|
|
|
1767 |
} else {
|
|
|
1768 |
if ($close){
|
|
|
1769 |
$this->objects[$this->currentContents]['c'].=' s'; // small 's' signifies closing the path as well
|
|
|
1770 |
} else {
|
|
|
1771 |
$this->objects[$this->currentContents]['c'].=' S';
|
|
|
1772 |
}
|
|
|
1773 |
}
|
|
|
1774 |
if ($angle !=0){
|
|
|
1775 |
$this->objects[$this->currentContents]['c'].=' Q';
|
|
|
1776 |
}
|
|
|
1777 |
}
|
|
|
1778 |
|
|
|
1779 |
/**
|
|
|
1780 |
* this sets the line drawing style.
|
|
|
1781 |
* width, is the thickness of the line in user units
|
|
|
1782 |
* cap is the type of cap to put on the line, values can be 'butt','round','square'
|
|
|
1783 |
* where the diffference between 'square' and 'butt' is that 'square' projects a flat end past the
|
|
|
1784 |
* end of the line.
|
|
|
1785 |
* join can be 'miter', 'round', 'bevel'
|
|
|
1786 |
* dash is an array which sets the dash pattern, is a series of length values, which are the lengths of the
|
|
|
1787 |
* on and off dashes.
|
|
|
1788 |
* (2) represents 2 on, 2 off, 2 on , 2 off ...
|
|
|
1789 |
* (2,1) is 2 on, 1 off, 2 on, 1 off.. etc
|
|
|
1790 |
* phase is a modifier on the dash pattern which is used to shift the point at which the pattern starts.
|
|
|
1791 |
*/
|
|
|
1792 |
function setLineStyle($width=1,$cap='',$join='',$dash='',$phase=0){
|
|
|
1793 |
|
|
|
1794 |
// this is quite inefficient in that it sets all the parameters whenever 1 is changed, but will fix another day
|
|
|
1795 |
$string = '';
|
|
|
1796 |
if ($width>0){
|
|
|
1797 |
$string.= $width.' w';
|
|
|
1798 |
}
|
|
|
1799 |
$ca = array('butt'=>0,'round'=>1,'square'=>2);
|
|
|
1800 |
if (isset($ca[$cap])){
|
|
|
1801 |
$string.= ' '.$ca[$cap].' J';
|
|
|
1802 |
}
|
|
|
1803 |
$ja = array('miter'=>0,'round'=>1,'bevel'=>2);
|
|
|
1804 |
if (isset($ja[$join])){
|
|
|
1805 |
$string.= ' '.$ja[$join].' j';
|
|
|
1806 |
}
|
|
|
1807 |
if (is_array($dash)){
|
|
|
1808 |
$string.= ' [';
|
|
|
1809 |
foreach ($dash as $len){
|
|
|
1810 |
$string.=' '.$len;
|
|
|
1811 |
}
|
|
|
1812 |
$string.= ' ] '.$phase.' d';
|
|
|
1813 |
}
|
|
|
1814 |
$this->currentLineStyle = $string;
|
|
|
1815 |
$this->objects[$this->currentContents]['c'].="\n".$string;
|
|
|
1816 |
}
|
|
|
1817 |
|
|
|
1818 |
/**
|
|
|
1819 |
* draw a polygon, the syntax for this is similar to the GD polygon command
|
|
|
1820 |
*/
|
|
|
1821 |
function polygon($p,$np,$f=0){
|
|
|
1822 |
$this->objects[$this->currentContents]['c'].="\n";
|
|
|
1823 |
$this->objects[$this->currentContents]['c'].=sprintf('%.3f',$p[0]).' '.sprintf('%.3f',$p[1]).' m ';
|
|
|
1824 |
for ($i=2;$i<$np*2;$i=$i+2){
|
|
|
1825 |
$this->objects[$this->currentContents]['c'].= sprintf('%.3f',$p[$i]).' '.sprintf('%.3f',$p[$i+1]).' l ';
|
|
|
1826 |
}
|
|
|
1827 |
if ($f==1){
|
|
|
1828 |
$this->objects[$this->currentContents]['c'].=' f';
|
|
|
1829 |
} else {
|
|
|
1830 |
$this->objects[$this->currentContents]['c'].=' S';
|
|
|
1831 |
}
|
|
|
1832 |
}
|
|
|
1833 |
|
|
|
1834 |
/**
|
|
|
1835 |
* a filled rectangle, note that it is the width and height of the rectangle which are the secondary paramaters, not
|
|
|
1836 |
* the coordinates of the upper-right corner
|
|
|
1837 |
*/
|
|
|
1838 |
function filledRectangle($x1,$y1,$width,$height){
|
|
|
1839 |
$this->objects[$this->currentContents]['c'].="\n".sprintf('%.3f',$x1).' '.sprintf('%.3f',$y1).' '.sprintf('%.3f',$width).' '.sprintf('%.3f',$height).' re f';
|
|
|
1840 |
}
|
|
|
1841 |
|
|
|
1842 |
/**
|
|
|
1843 |
* draw a rectangle, note that it is the width and height of the rectangle which are the secondary paramaters, not
|
|
|
1844 |
* the coordinates of the upper-right corner
|
|
|
1845 |
*/
|
|
|
1846 |
function rectangle($x1,$y1,$width,$height){
|
|
|
1847 |
$this->objects[$this->currentContents]['c'].="\n".sprintf('%.3f',$x1).' '.sprintf('%.3f',$y1).' '.sprintf('%.3f',$width).' '.sprintf('%.3f',$height).' re S';
|
|
|
1848 |
}
|
|
|
1849 |
|
|
|
1850 |
/**
|
|
|
1851 |
* add a new page to the document
|
|
|
1852 |
* this also makes the new page the current active object
|
|
|
1853 |
*/
|
|
|
1854 |
function newPage($insert=0,$id=0,$pos='after'){
|
|
|
1855 |
|
|
|
1856 |
// if there is a state saved, then go up the stack closing them
|
|
|
1857 |
// then on the new page, re-open them with the right setings
|
|
|
1858 |
|
|
|
1859 |
if ($this->nStateStack){
|
|
|
1860 |
for ($i=$this->nStateStack;$i>=1;$i--){
|
|
|
1861 |
$this->restoreState($i);
|
|
|
1862 |
}
|
|
|
1863 |
}
|
|
|
1864 |
|
|
|
1865 |
$this->numObj++;
|
|
|
1866 |
if ($insert){
|
|
|
1867 |
// the id from the ezPdf class is the od of the contents of the page, not the page object itself
|
|
|
1868 |
// query that object to find the parent
|
|
|
1869 |
$rid = $this->objects[$id]['onPage'];
|
|
|
1870 |
$opt= array('rid'=>$rid,'pos'=>$pos);
|
|
|
1871 |
$this->o_page($this->numObj,'new',$opt);
|
|
|
1872 |
} else {
|
|
|
1873 |
$this->o_page($this->numObj,'new');
|
|
|
1874 |
}
|
|
|
1875 |
// if there is a stack saved, then put that onto the page
|
|
|
1876 |
if ($this->nStateStack){
|
|
|
1877 |
for ($i=1;$i<=$this->nStateStack;$i++){
|
|
|
1878 |
$this->saveState($i);
|
|
|
1879 |
}
|
|
|
1880 |
}
|
|
|
1881 |
// and if there has been a stroke or fill colour set, then transfer them
|
|
|
1882 |
if ($this->currentColour['r']>=0){
|
|
|
1883 |
$this->setColor($this->currentColour['r'],$this->currentColour['g'],$this->currentColour['b'],1);
|
|
|
1884 |
}
|
|
|
1885 |
if ($this->currentStrokeColour['r']>=0){
|
|
|
1886 |
$this->setStrokeColor($this->currentStrokeColour['r'],$this->currentStrokeColour['g'],$this->currentStrokeColour['b'],1);
|
|
|
1887 |
}
|
|
|
1888 |
|
|
|
1889 |
// if there is a line style set, then put this in too
|
|
|
1890 |
if (strlen($this->currentLineStyle)){
|
|
|
1891 |
$this->objects[$this->currentContents]['c'].="\n".$this->currentLineStyle;
|
|
|
1892 |
}
|
|
|
1893 |
|
|
|
1894 |
// the call to the o_page object set currentContents to the present page, so this can be returned as the page id
|
|
|
1895 |
return $this->currentContents;
|
|
|
1896 |
}
|
|
|
1897 |
|
|
|
1898 |
/**
|
|
|
1899 |
* output the pdf code, streaming it to the browser
|
|
|
1900 |
* the relevant headers are set so that hopefully the browser will recognise it
|
|
|
1901 |
*/
|
|
|
1902 |
function stream($options=''){
|
|
|
1903 |
// setting the options allows the adjustment of the headers
|
|
|
1904 |
// values at the moment are:
|
|
|
1905 |
// 'Content-Disposition'=>'filename' - sets the filename, though not too sure how well this will
|
|
|
1906 |
// work as in my trial the browser seems to use the filename of the php file with .pdf on the end
|
|
|
1907 |
// 'Accept-Ranges'=>1 or 0 - if this is not set to 1, then this header is not included, off by default
|
|
|
1908 |
// this header seems to have caused some problems despite tha fact that it is supposed to solve
|
|
|
1909 |
// them, so I am leaving it off by default.
|
|
|
1910 |
// 'compress'=> 1 or 0 - apply content stream compression, this is on (1) by default
|
|
|
1911 |
if (!is_array($options)){
|
|
|
1912 |
$options=array();
|
|
|
1913 |
}
|
|
|
1914 |
if ( isset($options['compress']) && $options['compress']==0){
|
|
|
1915 |
$tmp = $this->output(1);
|
|
|
1916 |
} else {
|
|
|
1917 |
$tmp = $this->output();
|
|
|
1918 |
}
|
|
|
1919 |
header("Content-type: application/pdf");
|
|
|
1920 |
header("Content-Length: ".strlen(ltrim($tmp)));
|
|
|
1921 |
$fileName = (isset($options['Content-Disposition'])?$options['Content-Disposition']:'file.pdf');
|
|
|
1922 |
header("Content-Disposition: inline; filename=".$fileName);
|
|
|
1923 |
if (isset($options['Accept-Ranges']) && $options['Accept-Ranges']==1){
|
|
|
1924 |
header("Accept-Ranges: ".strlen(ltrim($tmp)));
|
|
|
1925 |
}
|
|
|
1926 |
echo ltrim($tmp);
|
|
|
1927 |
}
|
|
|
1928 |
|
|
|
1929 |
/**
|
|
|
1930 |
* return the height in units of the current font in the given size
|
|
|
1931 |
*/
|
|
|
1932 |
function getFontHeight($size){
|
|
|
1933 |
if (!$this->numFonts){
|
|
|
1934 |
$this->selectFont('./fonts/Helvetica');
|
|
|
1935 |
}
|
|
|
1936 |
// for the current font, and the given size, what is the height of the font in user units
|
|
|
1937 |
$h = $this->fonts[$this->currentFont]['FontBBox'][3]-$this->fonts[$this->currentFont]['FontBBox'][1];
|
|
|
1938 |
return $size*$h/1000;
|
|
|
1939 |
}
|
|
|
1940 |
|
|
|
1941 |
/**
|
|
|
1942 |
* return the font decender, this will normally return a negative number
|
|
|
1943 |
* if you add this number to the baseline, you get the level of the bottom of the font
|
|
|
1944 |
* it is in the pdf user units
|
|
|
1945 |
*/
|
|
|
1946 |
function getFontDecender($size){
|
|
|
1947 |
// note that this will most likely return a negative value
|
|
|
1948 |
if (!$this->numFonts){
|
|
|
1949 |
$this->selectFont('./fonts/Helvetica');
|
|
|
1950 |
}
|
|
|
1951 |
$h = $this->fonts[$this->currentFont]['FontBBox'][1];
|
|
|
1952 |
return $size*$h/1000;
|
|
|
1953 |
}
|
|
|
1954 |
|
|
|
1955 |
/**
|
|
|
1956 |
* filter the text, this is applied to all text just before being inserted into the pdf document
|
|
|
1957 |
* it escapes the various things that need to be escaped, and so on
|
|
|
1958 |
*
|
|
|
1959 |
* @access private
|
|
|
1960 |
*/
|
|
|
1961 |
function filterText($text){
|
|
|
1962 |
$text = str_replace('\\','\\\\',$text);
|
|
|
1963 |
$text = str_replace('(','\(',$text);
|
|
|
1964 |
$text = str_replace(')','\)',$text);
|
|
|
1965 |
$text = str_replace('<','<',$text);
|
|
|
1966 |
$text = str_replace('>','>',$text);
|
|
|
1967 |
$text = str_replace(''','\'',$text);
|
|
|
1968 |
$text = str_replace('"','"',$text);
|
|
|
1969 |
$text = str_replace('&','&',$text);
|
|
|
1970 |
|
|
|
1971 |
return $text;
|
|
|
1972 |
}
|
|
|
1973 |
|
|
|
1974 |
/**
|
|
|
1975 |
* given a start position and information about how text is to be laid out, calculate where
|
|
|
1976 |
* on the page the text will end
|
|
|
1977 |
*
|
|
|
1978 |
* @access private
|
|
|
1979 |
*/
|
|
|
1980 |
function PRVTgetTextPosition($x,$y,$angle,$size,$wa,$text){
|
|
|
1981 |
// given this information return an array containing x and y for the end position as elements 0 and 1
|
|
|
1982 |
$w = $this->getTextWidth($size,$text);
|
|
|
1983 |
// need to adjust for the number of spaces in this text
|
|
|
1984 |
$words = explode(' ',$text);
|
|
|
1985 |
$nspaces=count($words)-1;
|
|
|
1986 |
$w += $wa*$nspaces;
|
|
|
1987 |
$a = deg2rad((float)$angle);
|
|
|
1988 |
return array(cos($a)*$w+$x,-sin($a)*$w+$y);
|
|
|
1989 |
}
|
|
|
1990 |
|
|
|
1991 |
/**
|
|
|
1992 |
* wrapper function for PRVTcheckTextDirective1
|
|
|
1993 |
*
|
|
|
1994 |
* @access private
|
|
|
1995 |
*/
|
|
|
1996 |
function PRVTcheckTextDirective(&$text,$i,&$f){
|
|
|
1997 |
$x=0;
|
|
|
1998 |
$y=0;
|
|
|
1999 |
return $this->PRVTcheckTextDirective1($text,$i,$f,0,$x,$y);
|
|
|
2000 |
}
|
|
|
2001 |
|
|
|
2002 |
/**
|
|
|
2003 |
* checks if the text stream contains a control directive
|
|
|
2004 |
* if so then makes some changes and returns the number of characters involved in the directive
|
|
|
2005 |
* this has been re-worked to include everything neccesary to fins the current writing point, so that
|
|
|
2006 |
* the location can be sent to the callback function if required
|
|
|
2007 |
* if the directive does not require a font change, then $f should be set to 0
|
|
|
2008 |
*
|
|
|
2009 |
* @access private
|
|
|
2010 |
*/
|
|
|
2011 |
function PRVTcheckTextDirective1(&$text,$i,&$f,$final,&$x,&$y,$size=0,$angle=0,$wordSpaceAdjust=0){
|
|
|
2012 |
$directive = 0;
|
|
|
2013 |
$j=$i;
|
|
|
2014 |
if ($text[$j]=='<'){
|
|
|
2015 |
$j++;
|
|
|
2016 |
switch($text[$j]){
|
|
|
2017 |
case '/':
|
|
|
2018 |
$j++;
|
|
|
2019 |
if (strlen($text) <= $j){
|
|
|
2020 |
return $directive;
|
|
|
2021 |
}
|
|
|
2022 |
switch($text[$j]){
|
|
|
2023 |
case 'b':
|
|
|
2024 |
case 'i':
|
|
|
2025 |
$j++;
|
|
|
2026 |
if ($text[$j]=='>'){
|
|
|
2027 |
$p = strrpos($this->currentTextState,$text[$j-1]);
|
|
|
2028 |
if ($p !== false){
|
|
|
2029 |
// then there is one to remove
|
|
|
2030 |
$this->currentTextState = substr($this->currentTextState,0,$p).substr($this->currentTextState,$p+1);
|
|
|
2031 |
}
|
|
|
2032 |
$directive=$j-$i+1;
|
|
|
2033 |
}
|
|
|
2034 |
break;
|
|
|
2035 |
case 'c':
|
|
|
2036 |
// this this might be a callback function
|
|
|
2037 |
$j++;
|
|
|
2038 |
$k = strpos($text,'>',$j);
|
|
|
2039 |
if ($k!==false && $text[$j]==':'){
|
|
|
2040 |
// then this will be treated as a callback directive
|
|
|
2041 |
$directive = $k-$i+1;
|
|
|
2042 |
$f=0;
|
|
|
2043 |
// split the remainder on colons to get the function name and the paramater
|
|
|
2044 |
$tmp = substr($text,$j+1,$k-$j-1);
|
|
|
2045 |
$b1 = strpos($tmp,':');
|
|
|
2046 |
if ($b1!==false){
|
|
|
2047 |
$func = substr($tmp,0,$b1);
|
|
|
2048 |
$parm = substr($tmp,$b1+1);
|
|
|
2049 |
} else {
|
|
|
2050 |
$func=$tmp;
|
|
|
2051 |
$parm='';
|
|
|
2052 |
}
|
|
|
2053 |
if (!isset($func) || !strlen(trim($func))){
|
|
|
2054 |
$directive=0;
|
|
|
2055 |
} else {
|
|
|
2056 |
// only call the function if this is the final call
|
|
|
2057 |
if ($final){
|
|
|
2058 |
// need to assess the text position, calculate the text width to this point
|
|
|
2059 |
// can use getTextWidth to find the text width I think
|
|
|
2060 |
$tmp = $this->PRVTgetTextPosition($x,$y,$angle,$size,$wordSpaceAdjust,substr($text,0,$i));
|
|
|
2061 |
$info = array('x'=>$tmp[0],'y'=>$tmp[1],'angle'=>$angle,'status'=>'end','p'=>$parm,'nCallback'=>$this->nCallback);
|
|
|
2062 |
$x=$tmp[0];
|
|
|
2063 |
$y=$tmp[1];
|
|
|
2064 |
$ret = $this->$func($info);
|
|
|
2065 |
if (is_array($ret)){
|
|
|
2066 |
// then the return from the callback function could set the position, to start with, later will do font colour, and font
|
|
|
2067 |
foreach($ret as $rk=>$rv){
|
|
|
2068 |
switch($rk){
|
|
|
2069 |
case 'x':
|
|
|
2070 |
case 'y':
|
|
|
2071 |
$$rk=$rv;
|
|
|
2072 |
break;
|
|
|
2073 |
}
|
|
|
2074 |
}
|
|
|
2075 |
}
|
|
|
2076 |
// also remove from to the stack
|
|
|
2077 |
// for simplicity, just take from the end, fix this another day
|
|
|
2078 |
$this->nCallback--;
|
|
|
2079 |
if ($this->nCallback<0){
|
|
|
2080 |
$this->nCallBack=0;
|
|
|
2081 |
}
|
|
|
2082 |
}
|
|
|
2083 |
}
|
|
|
2084 |
}
|
|
|
2085 |
break;
|
|
|
2086 |
}
|
|
|
2087 |
break;
|
|
|
2088 |
case 'b':
|
|
|
2089 |
case 'i':
|
|
|
2090 |
$j++;
|
|
|
2091 |
if ($text[$j]=='>'){
|
|
|
2092 |
$this->currentTextState.=$text[$j-1];
|
|
|
2093 |
$directive=$j-$i+1;
|
|
|
2094 |
}
|
|
|
2095 |
break;
|
|
|
2096 |
case 'C':
|
|
|
2097 |
$noClose=1;
|
|
|
2098 |
case 'c':
|
|
|
2099 |
// this this might be a callback function
|
|
|
2100 |
$j++;
|
|
|
2101 |
$k = strpos($text,'>',$j);
|
|
|
2102 |
if ($k!==false && $text[$j]==':'){
|
|
|
2103 |
// then this will be treated as a callback directive
|
|
|
2104 |
$directive = $k-$i+1;
|
|
|
2105 |
$f=0;
|
|
|
2106 |
// split the remainder on colons to get the function name and the paramater
|
|
|
2107 |
// $bits = explode(':',substr($text,$j+1,$k-$j-1));
|
|
|
2108 |
$tmp = substr($text,$j+1,$k-$j-1);
|
|
|
2109 |
$b1 = strpos($tmp,':');
|
|
|
2110 |
if ($b1!==false){
|
|
|
2111 |
$func = substr($tmp,0,$b1);
|
|
|
2112 |
$parm = substr($tmp,$b1+1);
|
|
|
2113 |
} else {
|
|
|
2114 |
$func=$tmp;
|
|
|
2115 |
$parm='';
|
|
|
2116 |
}
|
|
|
2117 |
if (!isset($func) || !strlen(trim($func))){
|
|
|
2118 |
$directive=0;
|
|
|
2119 |
} else {
|
|
|
2120 |
// only call the function if this is the final call, ie, the one actually doing printing, not measurement
|
|
|
2121 |
if ($final){
|
|
|
2122 |
// need to assess the text position, calculate the text width to this point
|
|
|
2123 |
// can use getTextWidth to find the text width I think
|
|
|
2124 |
// also add the text height and decender
|
|
|
2125 |
$tmp = $this->PRVTgetTextPosition($x,$y,$angle,$size,$wordSpaceAdjust,substr($text,0,$i));
|
|
|
2126 |
$info = array('x'=>$tmp[0],'y'=>$tmp[1],'angle'=>$angle,'status'=>'start','p'=>$parm,'f'=>$func,'height'=>$this->getFontHeight($size),'decender'=>$this->getFontDecender($size));
|
|
|
2127 |
$x=$tmp[0];
|
|
|
2128 |
$y=$tmp[1];
|
|
|
2129 |
if (!isset($noClose) || !$noClose){
|
|
|
2130 |
// only add to the stack if this is a small 'c', therefore is a start-stop pair
|
|
|
2131 |
$this->nCallback++;
|
|
|
2132 |
$info['nCallback']=$this->nCallback;
|
|
|
2133 |
$this->callback[$this->nCallback]=$info;
|
|
|
2134 |
}
|
|
|
2135 |
$ret = $this->$func($info);
|
|
|
2136 |
if (is_array($ret)){
|
|
|
2137 |
// then the return from the callback function could set the position, to start with, later will do font colour, and font
|
|
|
2138 |
foreach($ret as $rk=>$rv){
|
|
|
2139 |
switch($rk){
|
|
|
2140 |
case 'x':
|
|
|
2141 |
case 'y':
|
|
|
2142 |
$$rk=$rv;
|
|
|
2143 |
break;
|
|
|
2144 |
}
|
|
|
2145 |
}
|
|
|
2146 |
}
|
|
|
2147 |
}
|
|
|
2148 |
}
|
|
|
2149 |
}
|
|
|
2150 |
break;
|
|
|
2151 |
}
|
|
|
2152 |
}
|
|
|
2153 |
return $directive;
|
|
|
2154 |
}
|
|
|
2155 |
|
|
|
2156 |
/**
|
|
|
2157 |
* add text to the document, at a specified location, size and angle on the page
|
|
|
2158 |
*/
|
|
|
2159 |
function addText($x,$y,$size,$text,$angle=0,$wordSpaceAdjust=0){
|
|
|
2160 |
if (!$this->numFonts){$this->selectFont('./fonts/Helvetica');}
|
|
|
2161 |
|
|
|
2162 |
// if there are any open callbacks, then they should be called, to show the start of the line
|
|
|
2163 |
if ($this->nCallback>0){
|
|
|
2164 |
for ($i=$this->nCallback;$i>0;$i--){
|
|
|
2165 |
// call each function
|
|
|
2166 |
$info = array('x'=>$x,'y'=>$y,'angle'=>$angle,'status'=>'sol','p'=>$this->callback[$i]['p'],'nCallback'=>$this->callback[$i]['nCallback'],'height'=>$this->callback[$i]['height'],'decender'=>$this->callback[$i]['decender']);
|
|
|
2167 |
$func = $this->callback[$i]['f'];
|
|
|
2168 |
$this->$func($info);
|
|
|
2169 |
}
|
|
|
2170 |
}
|
|
|
2171 |
if ($angle==0){
|
|
|
2172 |
$this->objects[$this->currentContents]['c'].="\n".'BT '.sprintf('%.3f',$x).' '.sprintf('%.3f',$y).' Td';
|
|
|
2173 |
} else {
|
|
|
2174 |
$a = deg2rad((float)$angle);
|
|
|
2175 |
$tmp = "\n".'BT ';
|
|
|
2176 |
$tmp .= sprintf('%.3f',cos($a)).' '.sprintf('%.3f',(-1.0*sin($a))).' '.sprintf('%.3f',sin($a)).' '.sprintf('%.3f',cos($a)).' ';
|
|
|
2177 |
$tmp .= sprintf('%.3f',$x).' '.sprintf('%.3f',$y).' Tm';
|
|
|
2178 |
$this->objects[$this->currentContents]['c'] .= $tmp;
|
|
|
2179 |
}
|
|
|
2180 |
if ($wordSpaceAdjust!=0 || $wordSpaceAdjust != $this->wordSpaceAdjust){
|
|
|
2181 |
$this->wordSpaceAdjust=$wordSpaceAdjust;
|
|
|
2182 |
$this->objects[$this->currentContents]['c'].=' '.sprintf('%.3f',$wordSpaceAdjust).' Tw';
|
|
|
2183 |
}
|
|
|
2184 |
$len=strlen($text);
|
|
|
2185 |
$start=0;
|
|
|
2186 |
for ($i=0;$i<$len;$i++){
|
|
|
2187 |
$f=1;
|
|
|
2188 |
$directive = $this->PRVTcheckTextDirective($text,$i,$f);
|
|
|
2189 |
if ($directive){
|
|
|
2190 |
// then we should write what we need to
|
|
|
2191 |
if ($i>$start){
|
|
|
2192 |
$part = substr($text,$start,$i-$start);
|
|
|
2193 |
$this->objects[$this->currentContents]['c'].=' /F'.$this->currentFontNum.' '.sprintf('%.1f',$size).' Tf ';
|
|
|
2194 |
$this->objects[$this->currentContents]['c'].=' ('.$this->filterText($part).') Tj';
|
|
|
2195 |
}
|
|
|
2196 |
if ($f){
|
|
|
2197 |
// then there was nothing drastic done here, restore the contents
|
|
|
2198 |
$this->setCurrentFont();
|
|
|
2199 |
} else {
|
|
|
2200 |
$this->objects[$this->currentContents]['c'] .= ' ET';
|
|
|
2201 |
$f=1;
|
|
|
2202 |
$xp=$x;
|
|
|
2203 |
$yp=$y;
|
|
|
2204 |
$directive = $this->PRVTcheckTextDirective1($text,$i,$f,1,$xp,$yp,$size,$angle,$wordSpaceAdjust);
|
|
|
2205 |
|
|
|
2206 |
// restart the text object
|
|
|
2207 |
if ($angle==0){
|
|
|
2208 |
$this->objects[$this->currentContents]['c'].="\n".'BT '.sprintf('%.3f',$xp).' '.sprintf('%.3f',$yp).' Td';
|
|
|
2209 |
} else {
|
|
|
2210 |
$a = deg2rad((float)$angle);
|
|
|
2211 |
$tmp = "\n".'BT ';
|
|
|
2212 |
$tmp .= sprintf('%.3f',cos($a)).' '.sprintf('%.3f',(-1.0*sin($a))).' '.sprintf('%.3f',sin($a)).' '.sprintf('%.3f',cos($a)).' ';
|
|
|
2213 |
$tmp .= sprintf('%.3f',$xp).' '.sprintf('%.3f',$yp).' Tm';
|
|
|
2214 |
$this->objects[$this->currentContents]['c'] .= $tmp;
|
|
|
2215 |
}
|
|
|
2216 |
if ($wordSpaceAdjust!=0 || $wordSpaceAdjust != $this->wordSpaceAdjust){
|
|
|
2217 |
$this->wordSpaceAdjust=$wordSpaceAdjust;
|
|
|
2218 |
$this->objects[$this->currentContents]['c'].=' '.sprintf('%.3f',$wordSpaceAdjust).' Tw';
|
|
|
2219 |
}
|
|
|
2220 |
}
|
|
|
2221 |
// and move the writing point to the next piece of text
|
|
|
2222 |
$i=$i+$directive-1;
|
|
|
2223 |
$start=$i+1;
|
|
|
2224 |
}
|
|
|
2225 |
|
|
|
2226 |
}
|
|
|
2227 |
if ($start<$len){
|
|
|
2228 |
$part = substr($text,$start);
|
|
|
2229 |
$this->objects[$this->currentContents]['c'].=' /F'.$this->currentFontNum.' '.sprintf('%.1f',$size).' Tf ';
|
|
|
2230 |
$this->objects[$this->currentContents]['c'].=' ('.$this->filterText($part).') Tj';
|
|
|
2231 |
}
|
|
|
2232 |
$this->objects[$this->currentContents]['c'].=' ET';
|
|
|
2233 |
|
|
|
2234 |
// if there are any open callbacks, then they should be called, to show the end of the line
|
|
|
2235 |
if ($this->nCallback>0){
|
|
|
2236 |
for ($i=$this->nCallback;$i>0;$i--){
|
|
|
2237 |
// call each function
|
|
|
2238 |
$tmp = $this->PRVTgetTextPosition($x,$y,$angle,$size,$wordSpaceAdjust,$text);
|
|
|
2239 |
$info = array('x'=>$tmp[0],'y'=>$tmp[1],'angle'=>$angle,'status'=>'eol','p'=>$this->callback[$i]['p'],'nCallback'=>$this->callback[$i]['nCallback'],'height'=>$this->callback[$i]['height'],'decender'=>$this->callback[$i]['decender']);
|
|
|
2240 |
$func = $this->callback[$i]['f'];
|
|
|
2241 |
$this->$func($info);
|
|
|
2242 |
}
|
|
|
2243 |
}
|
|
|
2244 |
|
|
|
2245 |
}
|
|
|
2246 |
|
|
|
2247 |
/**
|
|
|
2248 |
* calculate how wide a given text string will be on a page, at a given size.
|
|
|
2249 |
* this can be called externally, but is alse used by the other class functions
|
|
|
2250 |
*/
|
|
|
2251 |
function getTextWidth($size,$text){
|
|
|
2252 |
// this function should not change any of the settings, though it will need to
|
|
|
2253 |
// track any directives which change during calculation, so copy them at the start
|
|
|
2254 |
// and put them back at the end.
|
|
|
2255 |
$store_currentTextState = $this->currentTextState;
|
|
|
2256 |
|
|
|
2257 |
if (!$this->numFonts){
|
|
|
2258 |
$this->selectFont('./fonts/Helvetica');
|
|
|
2259 |
}
|
|
|
2260 |
|
|
|
2261 |
// converts a number or a float to a string so it can get the width
|
|
|
2262 |
$text = "$text";
|
|
|
2263 |
|
|
|
2264 |
// hmm, this is where it all starts to get tricky - use the font information to
|
|
|
2265 |
// calculate the width of each character, add them up and convert to user units
|
|
|
2266 |
$w=0;
|
|
|
2267 |
$len=strlen($text);
|
|
|
2268 |
$cf = $this->currentFont;
|
|
|
2269 |
for ($i=0;$i<$len;$i++){
|
|
|
2270 |
$f=1;
|
|
|
2271 |
$directive = $this->PRVTcheckTextDirective($text,$i,$f);
|
|
|
2272 |
if ($directive){
|
|
|
2273 |
if ($f){
|
|
|
2274 |
$this->setCurrentFont();
|
|
|
2275 |
$cf = $this->currentFont;
|
|
|
2276 |
}
|
|
|
2277 |
$i=$i+$directive-1;
|
|
|
2278 |
} else {
|
|
|
2279 |
$char=ord($text[$i]);
|
|
|
2280 |
if (isset($this->fonts[$cf]['differences'][$char])){
|
|
|
2281 |
// then this character is being replaced by another
|
|
|
2282 |
$name = $this->fonts[$cf]['differences'][$char];
|
|
|
2283 |
if (isset($this->fonts[$cf]['C'][$name]['WX'])){
|
|
|
2284 |
$w+=$this->fonts[$cf]['C'][$name]['WX'];
|
|
|
2285 |
}
|
|
|
2286 |
} else if (isset($this->fonts[$cf]['C'][$char]['WX'])){
|
|
|
2287 |
$w+=$this->fonts[$cf]['C'][$char]['WX'];
|
|
|
2288 |
}
|
|
|
2289 |
}
|
|
|
2290 |
}
|
|
|
2291 |
|
|
|
2292 |
$this->currentTextState = $store_currentTextState;
|
|
|
2293 |
$this->setCurrentFont();
|
|
|
2294 |
|
|
|
2295 |
return $w*$size/1000;
|
|
|
2296 |
}
|
|
|
2297 |
|
|
|
2298 |
/**
|
|
|
2299 |
* do a part of the calculation for sorting out the justification of the text
|
|
|
2300 |
*
|
|
|
2301 |
* @access private
|
|
|
2302 |
*/
|
|
|
2303 |
function PRVTadjustWrapText($text,$actual,$width,&$x,&$adjust,$justification){
|
|
|
2304 |
switch ($justification){
|
|
|
2305 |
case 'left':
|
|
|
2306 |
return;
|
|
|
2307 |
break;
|
|
|
2308 |
case 'right':
|
|
|
2309 |
$x+=$width-$actual;
|
|
|
2310 |
break;
|
|
|
2311 |
case 'center':
|
|
|
2312 |
case 'centre':
|
|
|
2313 |
$x+=($width-$actual)/2;
|
|
|
2314 |
break;
|
|
|
2315 |
case 'full':
|
|
|
2316 |
// count the number of words
|
|
|
2317 |
$words = explode(' ',$text);
|
|
|
2318 |
$nspaces=count($words)-1;
|
|
|
2319 |
if ($nspaces>0){
|
|
|
2320 |
$adjust = ($width-$actual)/$nspaces;
|
|
|
2321 |
} else {
|
|
|
2322 |
$adjust=0;
|
|
|
2323 |
}
|
|
|
2324 |
break;
|
|
|
2325 |
}
|
|
|
2326 |
}
|
|
|
2327 |
|
|
|
2328 |
/**
|
|
|
2329 |
* add text to the page, but ensure that it fits within a certain width
|
|
|
2330 |
* if it does not fit then put in as much as possible, splitting at word boundaries
|
|
|
2331 |
* and return the remainder.
|
|
|
2332 |
* justification and angle can also be specified for the text
|
|
|
2333 |
*/
|
|
|
2334 |
function addTextWrap($x,$y,$width,$size,$text,$justification='left',$angle=0,$test=0){
|
|
|
2335 |
// this will display the text, and if it goes beyond the width $width, will backtrack to the
|
|
|
2336 |
// previous space or hyphen, and return the remainder of the text.
|
|
|
2337 |
|
|
|
2338 |
// $justification can be set to 'left','right','center','centre','full'
|
|
|
2339 |
|
|
|
2340 |
// need to store the initial text state, as this will change during the width calculation
|
|
|
2341 |
// but will need to be re-set before printing, so that the chars work out right
|
|
|
2342 |
$store_currentTextState = $this->currentTextState;
|
|
|
2343 |
|
|
|
2344 |
if (!$this->numFonts){$this->selectFont('./fonts/Helvetica');}
|
|
|
2345 |
if ($width<=0){
|
|
|
2346 |
// error, pretend it printed ok, otherwise risking a loop
|
|
|
2347 |
return '';
|
|
|
2348 |
}
|
|
|
2349 |
$w=0;
|
|
|
2350 |
$break=0;
|
|
|
2351 |
$breakWidth=0;
|
|
|
2352 |
$len=strlen($text);
|
|
|
2353 |
$cf = $this->currentFont;
|
|
|
2354 |
$tw = $width/$size*1000;
|
|
|
2355 |
for ($i=0;$i<$len;$i++){
|
|
|
2356 |
$f=1;
|
|
|
2357 |
$directive = $this->PRVTcheckTextDirective($text,$i,$f);
|
|
|
2358 |
if ($directive){
|
|
|
2359 |
if ($f){
|
|
|
2360 |
$this->setCurrentFont();
|
|
|
2361 |
$cf = $this->currentFont;
|
|
|
2362 |
}
|
|
|
2363 |
$i=$i+$directive-1;
|
|
|
2364 |
} else {
|
|
|
2365 |
$cOrd = ord($text[$i]);
|
|
|
2366 |
if (isset($this->fonts[$cf]['differences'][$cOrd])){
|
|
|
2367 |
// then this character is being replaced by another
|
|
|
2368 |
$cOrd2 = $this->fonts[$cf]['differences'][$cOrd];
|
|
|
2369 |
} else {
|
|
|
2370 |
$cOrd2 = $cOrd;
|
|
|
2371 |
}
|
|
|
2372 |
|
|
|
2373 |
if (isset($this->fonts[$cf]['C'][$cOrd2]['WX'])){
|
|
|
2374 |
$w+=$this->fonts[$cf]['C'][$cOrd2]['WX'];
|
|
|
2375 |
}
|
|
|
2376 |
if ($w>$tw){
|
|
|
2377 |
// then we need to truncate this line
|
|
|
2378 |
if ($break>0){
|
|
|
2379 |
// then we have somewhere that we can split :)
|
|
|
2380 |
if ($text[$break]==' '){
|
|
|
2381 |
$tmp = substr($text,0,$break);
|
|
|
2382 |
} else {
|
|
|
2383 |
$tmp = substr($text,0,$break+1);
|
|
|
2384 |
}
|
|
|
2385 |
$adjust=0;
|
|
|
2386 |
$this->PRVTadjustWrapText($tmp,$breakWidth,$width,$x,$adjust,$justification);
|
|
|
2387 |
|
|
|
2388 |
// reset the text state
|
|
|
2389 |
$this->currentTextState = $store_currentTextState;
|
|
|
2390 |
$this->setCurrentFont();
|
|
|
2391 |
if (!$test){
|
|
|
2392 |
$this->addText($x,$y,$size,$tmp,$angle,$adjust);
|
|
|
2393 |
}
|
|
|
2394 |
return substr($text,$break+1);
|
|
|
2395 |
} else {
|
|
|
2396 |
// just split before the current character
|
|
|
2397 |
$tmp = substr($text,0,$i);
|
|
|
2398 |
$adjust=0;
|
|
|
2399 |
$ctmp=ord($text[$i]);
|
|
|
2400 |
if (isset($this->fonts[$cf]['differences'][$ctmp])){
|
|
|
2401 |
$ctmp=$this->fonts[$cf]['differences'][$ctmp];
|
|
|
2402 |
}
|
|
|
2403 |
$tmpw=($w-$this->fonts[$cf]['C'][$ctmp]['WX'])*$size/1000;
|
|
|
2404 |
$this->PRVTadjustWrapText($tmp,$tmpw,$width,$x,$adjust,$justification);
|
|
|
2405 |
// reset the text state
|
|
|
2406 |
$this->currentTextState = $store_currentTextState;
|
|
|
2407 |
$this->setCurrentFont();
|
|
|
2408 |
if (!$test){
|
|
|
2409 |
$this->addText($x,$y,$size,$tmp,$angle,$adjust);
|
|
|
2410 |
}
|
|
|
2411 |
return substr($text,$i);
|
|
|
2412 |
}
|
|
|
2413 |
}
|
|
|
2414 |
if ($text[$i]=='-'){
|
|
|
2415 |
$break=$i;
|
|
|
2416 |
$breakWidth = $w*$size/1000;
|
|
|
2417 |
}
|
|
|
2418 |
if ($text[$i]==' '){
|
|
|
2419 |
$break=$i;
|
|
|
2420 |
$ctmp=ord($text[$i]);
|
|
|
2421 |
if (isset($this->fonts[$cf]['differences'][$ctmp])){
|
|
|
2422 |
$ctmp=$this->fonts[$cf]['differences'][$ctmp];
|
|
|
2423 |
}
|
|
|
2424 |
$breakWidth = ($w-$this->fonts[$cf]['C'][$ctmp]['WX'])*$size/1000;
|
|
|
2425 |
}
|
|
|
2426 |
}
|
|
|
2427 |
}
|
|
|
2428 |
// then there was no need to break this line
|
|
|
2429 |
if ($justification=='full'){
|
|
|
2430 |
$justification='left';
|
|
|
2431 |
}
|
|
|
2432 |
$adjust=0;
|
|
|
2433 |
$tmpw=$w*$size/1000;
|
|
|
2434 |
$this->PRVTadjustWrapText($text,$tmpw,$width,$x,$adjust,$justification);
|
|
|
2435 |
// reset the text state
|
|
|
2436 |
$this->currentTextState = $store_currentTextState;
|
|
|
2437 |
$this->setCurrentFont();
|
|
|
2438 |
if (!$test){
|
|
|
2439 |
$this->addText($x,$y,$size,$text,$angle,$adjust,$angle);
|
|
|
2440 |
}
|
|
|
2441 |
return '';
|
|
|
2442 |
}
|
|
|
2443 |
|
|
|
2444 |
/**
|
|
|
2445 |
* this will be called at a new page to return the state to what it was on the
|
|
|
2446 |
* end of the previous page, before the stack was closed down
|
|
|
2447 |
* This is to get around not being able to have open 'q' across pages
|
|
|
2448 |
*
|
|
|
2449 |
*/
|
|
|
2450 |
function saveState($pageEnd=0){
|
|
|
2451 |
if ($pageEnd){
|
|
|
2452 |
// this will be called at a new page to return the state to what it was on the
|
|
|
2453 |
// end of the previous page, before the stack was closed down
|
|
|
2454 |
// This is to get around not being able to have open 'q' across pages
|
|
|
2455 |
$opt = $this->stateStack[$pageEnd]; // ok to use this as stack starts numbering at 1
|
|
|
2456 |
$this->setColor($opt['col']['r'],$opt['col']['g'],$opt['col']['b'],1);
|
|
|
2457 |
$this->setStrokeColor($opt['str']['r'],$opt['str']['g'],$opt['str']['b'],1);
|
|
|
2458 |
$this->objects[$this->currentContents]['c'].="\n".$opt['lin'];
|
|
|
2459 |
// $this->currentLineStyle = $opt['lin'];
|
|
|
2460 |
} else {
|
|
|
2461 |
$this->nStateStack++;
|
|
|
2462 |
$this->stateStack[$this->nStateStack]=array(
|
|
|
2463 |
'col'=>$this->currentColour
|
|
|
2464 |
,'str'=>$this->currentStrokeColour
|
|
|
2465 |
,'lin'=>$this->currentLineStyle
|
|
|
2466 |
);
|
|
|
2467 |
}
|
|
|
2468 |
$this->objects[$this->currentContents]['c'].="\nq";
|
|
|
2469 |
}
|
|
|
2470 |
|
|
|
2471 |
/**
|
|
|
2472 |
* restore a previously saved state
|
|
|
2473 |
*/
|
|
|
2474 |
function restoreState($pageEnd=0){
|
|
|
2475 |
if (!$pageEnd){
|
|
|
2476 |
$n = $this->nStateStack;
|
|
|
2477 |
$this->currentColour = $this->stateStack[$n]['col'];
|
|
|
2478 |
$this->currentStrokeColour = $this->stateStack[$n]['str'];
|
|
|
2479 |
$this->objects[$this->currentContents]['c'].="\n".$this->stateStack[$n]['lin'];
|
|
|
2480 |
$this->currentLineStyle = $this->stateStack[$n]['lin'];
|
|
|
2481 |
unset($this->stateStack[$n]);
|
|
|
2482 |
$this->nStateStack--;
|
|
|
2483 |
}
|
|
|
2484 |
$this->objects[$this->currentContents]['c'].="\nQ";
|
|
|
2485 |
}
|
|
|
2486 |
|
|
|
2487 |
/**
|
|
|
2488 |
* make a loose object, the output will go into this object, until it is closed, then will revert to
|
|
|
2489 |
* the current one.
|
|
|
2490 |
* this object will not appear until it is included within a page.
|
|
|
2491 |
* the function will return the object number
|
|
|
2492 |
*/
|
|
|
2493 |
function openObject(){
|
|
|
2494 |
$this->nStack++;
|
|
|
2495 |
$this->stack[$this->nStack]=array('c'=>$this->currentContents,'p'=>$this->currentPage);
|
|
|
2496 |
// add a new object of the content type, to hold the data flow
|
|
|
2497 |
$this->numObj++;
|
|
|
2498 |
$this->o_contents($this->numObj,'new');
|
|
|
2499 |
$this->currentContents=$this->numObj;
|
|
|
2500 |
$this->looseObjects[$this->numObj]=1;
|
|
|
2501 |
|
|
|
2502 |
return $this->numObj;
|
|
|
2503 |
}
|
|
|
2504 |
|
|
|
2505 |
/**
|
|
|
2506 |
* open an existing object for editing
|
|
|
2507 |
*/
|
|
|
2508 |
function reopenObject($id){
|
|
|
2509 |
$this->nStack++;
|
|
|
2510 |
$this->stack[$this->nStack]=array('c'=>$this->currentContents,'p'=>$this->currentPage);
|
|
|
2511 |
$this->currentContents=$id;
|
|
|
2512 |
// also if this object is the primary contents for a page, then set the current page to its parent
|
|
|
2513 |
if (isset($this->objects[$id]['onPage'])){
|
|
|
2514 |
$this->currentPage = $this->objects[$id]['onPage'];
|
|
|
2515 |
}
|
|
|
2516 |
}
|
|
|
2517 |
|
|
|
2518 |
/**
|
|
|
2519 |
* close an object
|
|
|
2520 |
*/
|
|
|
2521 |
function closeObject(){
|
|
|
2522 |
// close the object, as long as there was one open in the first place, which will be indicated by
|
|
|
2523 |
// an objectId on the stack.
|
|
|
2524 |
if ($this->nStack>0){
|
|
|
2525 |
$this->currentContents=$this->stack[$this->nStack]['c'];
|
|
|
2526 |
$this->currentPage=$this->stack[$this->nStack]['p'];
|
|
|
2527 |
$this->nStack--;
|
|
|
2528 |
// easier to probably not worry about removing the old entries, they will be overwritten
|
|
|
2529 |
// if there are new ones.
|
|
|
2530 |
}
|
|
|
2531 |
}
|
|
|
2532 |
|
|
|
2533 |
/**
|
|
|
2534 |
* stop an object from appearing on pages from this point on
|
|
|
2535 |
*/
|
|
|
2536 |
function stopObject($id){
|
|
|
2537 |
// if an object has been appearing on pages up to now, then stop it, this page will
|
|
|
2538 |
// be the last one that could contian it.
|
|
|
2539 |
if (isset($this->addLooseObjects[$id])){
|
|
|
2540 |
$this->addLooseObjects[$id]='';
|
|
|
2541 |
}
|
|
|
2542 |
}
|
|
|
2543 |
|
|
|
2544 |
/**
|
|
|
2545 |
* after an object has been created, it wil only show if it has been added, using this function.
|
|
|
2546 |
*/
|
|
|
2547 |
function addObject($id,$options='add'){
|
|
|
2548 |
// add the specified object to the page
|
|
|
2549 |
if (isset($this->looseObjects[$id]) && $this->currentContents!=$id){
|
|
|
2550 |
// then it is a valid object, and it is not being added to itself
|
|
|
2551 |
switch($options){
|
|
|
2552 |
case 'all':
|
|
|
2553 |
// then this object is to be added to this page (done in the next block) and
|
|
|
2554 |
// all future new pages.
|
|
|
2555 |
$this->addLooseObjects[$id]='all';
|
|
|
2556 |
case 'add':
|
|
|
2557 |
if (isset($this->objects[$this->currentContents]['onPage'])){
|
|
|
2558 |
// then the destination contents is the primary for the page
|
|
|
2559 |
// (though this object is actually added to that page)
|
|
|
2560 |
$this->o_page($this->objects[$this->currentContents]['onPage'],'content',$id);
|
|
|
2561 |
}
|
|
|
2562 |
break;
|
|
|
2563 |
case 'even':
|
|
|
2564 |
$this->addLooseObjects[$id]='even';
|
|
|
2565 |
$pageObjectId=$this->objects[$this->currentContents]['onPage'];
|
|
|
2566 |
if ($this->objects[$pageObjectId]['info']['pageNum']%2==0){
|
|
|
2567 |
$this->addObject($id); // hacky huh :)
|
|
|
2568 |
}
|
|
|
2569 |
break;
|
|
|
2570 |
case 'odd':
|
|
|
2571 |
$this->addLooseObjects[$id]='odd';
|
|
|
2572 |
$pageObjectId=$this->objects[$this->currentContents]['onPage'];
|
|
|
2573 |
if ($this->objects[$pageObjectId]['info']['pageNum']%2==1){
|
|
|
2574 |
$this->addObject($id); // hacky huh :)
|
|
|
2575 |
}
|
|
|
2576 |
break;
|
|
|
2577 |
case 'next':
|
|
|
2578 |
$this->addLooseObjects[$id]='all';
|
|
|
2579 |
break;
|
|
|
2580 |
case 'nexteven':
|
|
|
2581 |
$this->addLooseObjects[$id]='even';
|
|
|
2582 |
break;
|
|
|
2583 |
case 'nextodd':
|
|
|
2584 |
$this->addLooseObjects[$id]='odd';
|
|
|
2585 |
break;
|
|
|
2586 |
}
|
|
|
2587 |
}
|
|
|
2588 |
}
|
|
|
2589 |
|
|
|
2590 |
/**
|
|
|
2591 |
* add content to the documents info object
|
|
|
2592 |
*/
|
|
|
2593 |
function addInfo($label,$value=0){
|
|
|
2594 |
// this will only work if the label is one of the valid ones.
|
|
|
2595 |
// modify this so that arrays can be passed as well.
|
|
|
2596 |
// if $label is an array then assume that it is key=>value pairs
|
|
|
2597 |
// else assume that they are both scalar, anything else will probably error
|
|
|
2598 |
if (is_array($label)){
|
|
|
2599 |
foreach ($label as $l=>$v){
|
|
|
2600 |
$this->o_info($this->infoObject,$l,$v);
|
|
|
2601 |
}
|
|
|
2602 |
} else {
|
|
|
2603 |
$this->o_info($this->infoObject,$label,$value);
|
|
|
2604 |
}
|
|
|
2605 |
}
|
|
|
2606 |
|
|
|
2607 |
/**
|
|
|
2608 |
* set the viewer preferences of the document, it is up to the browser to obey these.
|
|
|
2609 |
*/
|
|
|
2610 |
function setPreferences($label,$value=0){
|
|
|
2611 |
// this will only work if the label is one of the valid ones.
|
|
|
2612 |
if (is_array($label)){
|
|
|
2613 |
foreach ($label as $l=>$v){
|
|
|
2614 |
$this->o_catalog($this->catalogId,'viewerPreferences',array($l=>$v));
|
|
|
2615 |
}
|
|
|
2616 |
} else {
|
|
|
2617 |
$this->o_catalog($this->catalogId,'viewerPreferences',array($label=>$value));
|
|
|
2618 |
}
|
|
|
2619 |
}
|
|
|
2620 |
|
|
|
2621 |
/**
|
|
|
2622 |
* extract an integer from a position in a byte stream
|
|
|
2623 |
*
|
|
|
2624 |
* @access private
|
|
|
2625 |
*/
|
|
|
2626 |
function PRVT_getBytes(&$data,$pos,$num){
|
|
|
2627 |
// return the integer represented by $num bytes from $pos within $data
|
|
|
2628 |
$ret=0;
|
|
|
2629 |
for ($i=0;$i<$num;$i++){
|
|
|
2630 |
$ret=$ret*256;
|
|
|
2631 |
$ret+=ord($data[$pos+$i]);
|
|
|
2632 |
}
|
|
|
2633 |
return $ret;
|
|
|
2634 |
}
|
|
|
2635 |
|
|
|
2636 |
/**
|
|
|
2637 |
* add a PNG image into the document, from a file
|
|
|
2638 |
* this should work with remote files
|
|
|
2639 |
*/
|
|
|
2640 |
function addPngFromFile($file,$x,$y,$w=0,$h=0){
|
|
|
2641 |
// read in a png file, interpret it, then add to the system
|
|
|
2642 |
$error=0;
|
|
|
2643 |
$tmp = get_magic_quotes_runtime();
|
|
|
2644 |
set_magic_quotes_runtime(0);
|
|
|
2645 |
$fp = @fopen($file,'rb');
|
|
|
2646 |
if ($fp){
|
|
|
2647 |
$data='';
|
|
|
2648 |
while(!feof($fp)){
|
|
|
2649 |
$data .= fread($fp,1024);
|
|
|
2650 |
}
|
|
|
2651 |
fclose($fp);
|
|
|
2652 |
} else {
|
|
|
2653 |
$error = 1;
|
|
|
2654 |
$errormsg = 'trouble opening file: '.$file;
|
|
|
2655 |
}
|
|
|
2656 |
set_magic_quotes_runtime($tmp);
|
|
|
2657 |
|
|
|
2658 |
if (!$error){
|
|
|
2659 |
$header = chr(137).chr(80).chr(78).chr(71).chr(13).chr(10).chr(26).chr(10);
|
|
|
2660 |
if (substr($data,0,8)!=$header){
|
|
|
2661 |
$error=1;
|
|
|
2662 |
$errormsg = 'this file does not have a valid header';
|
|
|
2663 |
}
|
|
|
2664 |
}
|
|
|
2665 |
|
|
|
2666 |
if (!$error){
|
|
|
2667 |
// set pointer
|
|
|
2668 |
$p = 8;
|
|
|
2669 |
$len = strlen($data);
|
|
|
2670 |
// cycle through the file, identifying chunks
|
|
|
2671 |
$haveHeader=0;
|
|
|
2672 |
$info=array();
|
|
|
2673 |
$idata='';
|
|
|
2674 |
$pdata='';
|
|
|
2675 |
while ($p<$len){
|
|
|
2676 |
$chunkLen = $this->PRVT_getBytes($data,$p,4);
|
|
|
2677 |
$chunkType = substr($data,$p+4,4);
|
|
|
2678 |
// echo $chunkType.' - '.$chunkLen.'<br>';
|
|
|
2679 |
|
|
|
2680 |
switch($chunkType){
|
|
|
2681 |
case 'IHDR':
|
|
|
2682 |
// this is where all the file information comes from
|
|
|
2683 |
$info['width']=$this->PRVT_getBytes($data,$p+8,4);
|
|
|
2684 |
$info['height']=$this->PRVT_getBytes($data,$p+12,4);
|
|
|
2685 |
$info['bitDepth']=ord($data[$p+16]);
|
|
|
2686 |
$info['colorType']=ord($data[$p+17]);
|
|
|
2687 |
$info['compressionMethod']=ord($data[$p+18]);
|
|
|
2688 |
$info['filterMethod']=ord($data[$p+19]);
|
|
|
2689 |
$info['interlaceMethod']=ord($data[$p+20]);
|
|
|
2690 |
//print_r($info);
|
|
|
2691 |
$haveHeader=1;
|
|
|
2692 |
if ($info['compressionMethod']!=0){
|
|
|
2693 |
$error=1;
|
|
|
2694 |
$errormsg = 'unsupported compression method';
|
|
|
2695 |
}
|
|
|
2696 |
if ($info['filterMethod']!=0){
|
|
|
2697 |
$error=1;
|
|
|
2698 |
$errormsg = 'unsupported filter method';
|
|
|
2699 |
}
|
|
|
2700 |
break;
|
|
|
2701 |
case 'PLTE':
|
|
|
2702 |
$pdata.=substr($data,$p+8,$chunkLen);
|
|
|
2703 |
break;
|
|
|
2704 |
case 'IDAT':
|
|
|
2705 |
$idata.=substr($data,$p+8,$chunkLen);
|
|
|
2706 |
break;
|
|
|
2707 |
case 'tRNS':
|
|
|
2708 |
//this chunk can only occur once and it must occur after the PLTE chunk and before IDAT chunk
|
|
|
2709 |
//print "tRNS found, color type = ".$info['colorType']."<BR>";
|
|
|
2710 |
$transparency = array();
|
|
|
2711 |
if ($info['colorType'] == 3) { // indexed color, rbg
|
|
|
2712 |
/* corresponding to entries in the plte chunk
|
|
|
2713 |
Alpha for palette index 0: 1 byte
|
|
|
2714 |
Alpha for palette index 1: 1 byte
|
|
|
2715 |
...etc...
|
|
|
2716 |
*/
|
|
|
2717 |
// there will be one entry for each palette entry. up until the last non-opaque entry.
|
|
|
2718 |
// set up an array, stretching over all palette entries which will be o (opaque) or 1 (transparent)
|
|
|
2719 |
$transparency['type']='indexed';
|
|
|
2720 |
$numPalette = strlen($pdata)/3;
|
|
|
2721 |
$trans=0;
|
|
|
2722 |
for ($i=$chunkLen;$i>=0;$i--){
|
|
|
2723 |
if (ord($data[$p+8+$i])==0){
|
|
|
2724 |
$trans=$i;
|
|
|
2725 |
}
|
|
|
2726 |
}
|
|
|
2727 |
$transparency['data'] = $trans;
|
|
|
2728 |
|
|
|
2729 |
} elseif($info['colorType'] == 0) { // grayscale
|
|
|
2730 |
/* corresponding to entries in the plte chunk
|
|
|
2731 |
Gray: 2 bytes, range 0 .. (2^bitdepth)-1
|
|
|
2732 |
*/
|
|
|
2733 |
// $transparency['grayscale']=$this->PRVT_getBytes($data,$p+8,2); // g = grayscale
|
|
|
2734 |
$transparency['type']='indexed';
|
|
|
2735 |
$transparency['data'] = ord($data[$p+8+1]);
|
|
|
2736 |
|
|
|
2737 |
} elseif($info['colorType'] == 2) { // truecolor
|
|
|
2738 |
/* corresponding to entries in the plte chunk
|
|
|
2739 |
Red: 2 bytes, range 0 .. (2^bitdepth)-1
|
|
|
2740 |
Green: 2 bytes, range 0 .. (2^bitdepth)-1
|
|
|
2741 |
Blue: 2 bytes, range 0 .. (2^bitdepth)-1
|
|
|
2742 |
*/
|
|
|
2743 |
$transparency['r']=$this->PRVT_getBytes($data,$p+8,2); // r from truecolor
|
|
|
2744 |
$transparency['g']=$this->PRVT_getBytes($data,$p+10,2); // g from truecolor
|
|
|
2745 |
$transparency['b']=$this->PRVT_getBytes($data,$p+12,2); // b from truecolor
|
|
|
2746 |
|
|
|
2747 |
} else {
|
|
|
2748 |
//unsupported transparency type
|
|
|
2749 |
}
|
|
|
2750 |
// KS End new code
|
|
|
2751 |
break;
|
|
|
2752 |
default:
|
|
|
2753 |
break;
|
|
|
2754 |
}
|
|
|
2755 |
|
|
|
2756 |
$p += $chunkLen+12;
|
|
|
2757 |
}
|
|
|
2758 |
|
|
|
2759 |
if(!$haveHeader){
|
|
|
2760 |
$error = 1;
|
|
|
2761 |
$errormsg = 'information header is missing';
|
|
|
2762 |
}
|
|
|
2763 |
if (isset($info['interlaceMethod']) && $info['interlaceMethod']){
|
|
|
2764 |
$error = 1;
|
|
|
2765 |
$errormsg = 'There appears to be no support for interlaced images in pdf.';
|
|
|
2766 |
}
|
|
|
2767 |
}
|
|
|
2768 |
|
|
|
2769 |
if (!$error && $info['bitDepth'] > 8){
|
|
|
2770 |
$error = 1;
|
|
|
2771 |
$errormsg = 'only bit depth of 8 or less is supported';
|
|
|
2772 |
}
|
|
|
2773 |
|
|
|
2774 |
if (!$error){
|
|
|
2775 |
if ($info['colorType']!=2 && $info['colorType']!=0 && $info['colorType']!=3){
|
|
|
2776 |
$error = 1;
|
|
|
2777 |
$errormsg = 'transparancey alpha channel not supported, transparency only supported for palette images.';
|
|
|
2778 |
} else {
|
|
|
2779 |
switch ($info['colorType']){
|
|
|
2780 |
case 3:
|
|
|
2781 |
$color = 'DeviceRGB';
|
|
|
2782 |
$ncolor=1;
|
|
|
2783 |
break;
|
|
|
2784 |
case 2:
|
|
|
2785 |
$color = 'DeviceRGB';
|
|
|
2786 |
$ncolor=3;
|
|
|
2787 |
break;
|
|
|
2788 |
case 0:
|
|
|
2789 |
$color = 'DeviceGray';
|
|
|
2790 |
$ncolor=1;
|
|
|
2791 |
break;
|
|
|
2792 |
}
|
|
|
2793 |
}
|
|
|
2794 |
}
|
|
|
2795 |
if ($error){
|
|
|
2796 |
$this->addMessage('PNG error - ('.$file.') '.$errormsg);
|
|
|
2797 |
return;
|
|
|
2798 |
}
|
|
|
2799 |
if ($w==0){
|
|
|
2800 |
$w=$h/$info['height']*$info['width'];
|
|
|
2801 |
}
|
|
|
2802 |
if ($h==0){
|
|
|
2803 |
$h=$w*$info['height']/$info['width'];
|
|
|
2804 |
}
|
|
|
2805 |
//print_r($info);
|
|
|
2806 |
// so this image is ok... add it in.
|
|
|
2807 |
$this->numImages++;
|
|
|
2808 |
$im=$this->numImages;
|
|
|
2809 |
$label='I'.$im;
|
|
|
2810 |
$this->numObj++;
|
|
|
2811 |
// $this->o_image($this->numObj,'new',array('label'=>$label,'data'=>$idata,'iw'=>$w,'ih'=>$h,'type'=>'png','ic'=>$info['width']));
|
|
|
2812 |
$options = array('label'=>$label,'data'=>$idata,'bitsPerComponent'=>$info['bitDepth'],'pdata'=>$pdata
|
|
|
2813 |
,'iw'=>$info['width'],'ih'=>$info['height'],'type'=>'png','color'=>$color,'ncolor'=>$ncolor);
|
|
|
2814 |
if (isset($transparency)){
|
|
|
2815 |
$options['transparency']=$transparency;
|
|
|
2816 |
}
|
|
|
2817 |
$this->o_image($this->numObj,'new',$options);
|
|
|
2818 |
|
|
|
2819 |
$this->objects[$this->currentContents]['c'].="\nq";
|
|
|
2820 |
$this->objects[$this->currentContents]['c'].="\n".sprintf('%.3f',$w)." 0 0 ".sprintf('%.3f',$h)." ".sprintf('%.3f',$x)." ".sprintf('%.3f',$y)." cm";
|
|
|
2821 |
$this->objects[$this->currentContents]['c'].="\n/".$label.' Do';
|
|
|
2822 |
$this->objects[$this->currentContents]['c'].="\nQ";
|
|
|
2823 |
}
|
|
|
2824 |
|
|
|
2825 |
/**
|
|
|
2826 |
* add a JPEG image into the document, from a file
|
|
|
2827 |
*/
|
|
|
2828 |
function addJpegFromFile($img,$x,$y,$w=0,$h=0){
|
|
|
2829 |
// attempt to add a jpeg image straight from a file, using no GD commands
|
|
|
2830 |
// note that this function is unable to operate on a remote file.
|
|
|
2831 |
|
|
|
2832 |
if (!file_exists($img)){
|
|
|
2833 |
return;
|
|
|
2834 |
}
|
|
|
2835 |
|
|
|
2836 |
$tmp=getimagesize($img);
|
|
|
2837 |
$imageWidth=$tmp[0];
|
|
|
2838 |
$imageHeight=$tmp[1];
|
|
|
2839 |
|
|
|
2840 |
if (isset($tmp['channels'])){
|
|
|
2841 |
$channels = $tmp['channels'];
|
|
|
2842 |
} else {
|
|
|
2843 |
$channels = 3;
|
|
|
2844 |
}
|
|
|
2845 |
|
|
|
2846 |
if ($w<=0 && $h<=0){
|
|
|
2847 |
$w=$imageWidth;
|
|
|
2848 |
}
|
|
|
2849 |
if ($w==0){
|
|
|
2850 |
$w=$h/$imageHeight*$imageWidth;
|
|
|
2851 |
}
|
|
|
2852 |
if ($h==0){
|
|
|
2853 |
$h=$w*$imageHeight/$imageWidth;
|
|
|
2854 |
}
|
|
|
2855 |
|
|
|
2856 |
$fp=fopen($img,'rb');
|
|
|
2857 |
|
|
|
2858 |
$tmp = get_magic_quotes_runtime();
|
|
|
2859 |
set_magic_quotes_runtime(0);
|
|
|
2860 |
$data = fread($fp,filesize($img));
|
|
|
2861 |
set_magic_quotes_runtime($tmp);
|
|
|
2862 |
|
|
|
2863 |
fclose($fp);
|
|
|
2864 |
|
|
|
2865 |
$this->addJpegImage_common($data,$x,$y,$w,$h,$imageWidth,$imageHeight,$channels);
|
|
|
2866 |
}
|
|
|
2867 |
|
|
|
2868 |
/**
|
|
|
2869 |
* add an image into the document, from a GD object
|
|
|
2870 |
* this function is not all that reliable, and I would probably encourage people to use
|
|
|
2871 |
* the file based functions
|
|
|
2872 |
*/
|
|
|
2873 |
function addImage(&$img,$x,$y,$w=0,$h=0,$quality=75){
|
|
|
2874 |
// add a new image into the current location, as an external object
|
|
|
2875 |
// add the image at $x,$y, and with width and height as defined by $w & $h
|
|
|
2876 |
|
|
|
2877 |
// note that this will only work with full colour images and makes them jpg images for display
|
|
|
2878 |
// later versions could present lossless image formats if there is interest.
|
|
|
2879 |
|
|
|
2880 |
// there seems to be some problem here in that images that have quality set above 75 do not appear
|
|
|
2881 |
// not too sure why this is, but in the meantime I have restricted this to 75.
|
|
|
2882 |
if ($quality>75){
|
|
|
2883 |
$quality=75;
|
|
|
2884 |
}
|
|
|
2885 |
|
|
|
2886 |
// if the width or height are set to zero, then set the other one based on keeping the image
|
|
|
2887 |
// height/width ratio the same, if they are both zero, then give up :)
|
|
|
2888 |
$imageWidth=imagesx($img);
|
|
|
2889 |
$imageHeight=imagesy($img);
|
|
|
2890 |
|
|
|
2891 |
if ($w<=0 && $h<=0){
|
|
|
2892 |
return;
|
|
|
2893 |
}
|
|
|
2894 |
if ($w==0){
|
|
|
2895 |
$w=$h/$imageHeight*$imageWidth;
|
|
|
2896 |
}
|
|
|
2897 |
if ($h==0){
|
|
|
2898 |
$h=$w*$imageHeight/$imageWidth;
|
|
|
2899 |
}
|
|
|
2900 |
|
|
|
2901 |
// gotta get the data out of the img..
|
|
|
2902 |
|
|
|
2903 |
// so I write to a temp file, and then read it back.. soo ugly, my apologies.
|
|
|
2904 |
$tmpDir='/tmp';
|
|
|
2905 |
$tmpName=tempnam($tmpDir,'img');
|
|
|
2906 |
imagejpeg($img,$tmpName,$quality);
|
|
|
2907 |
$fp=fopen($tmpName,'rb');
|
|
|
2908 |
|
|
|
2909 |
$tmp = get_magic_quotes_runtime();
|
|
|
2910 |
set_magic_quotes_runtime(0);
|
|
|
2911 |
$fp = @fopen($tmpName,'rb');
|
|
|
2912 |
if ($fp){
|
|
|
2913 |
$data='';
|
|
|
2914 |
while(!feof($fp)){
|
|
|
2915 |
$data .= fread($fp,1024);
|
|
|
2916 |
}
|
|
|
2917 |
fclose($fp);
|
|
|
2918 |
} else {
|
|
|
2919 |
$error = 1;
|
|
|
2920 |
$errormsg = 'trouble opening file';
|
|
|
2921 |
}
|
|
|
2922 |
// $data = fread($fp,filesize($tmpName));
|
|
|
2923 |
set_magic_quotes_runtime($tmp);
|
|
|
2924 |
// fclose($fp);
|
|
|
2925 |
unlink($tmpName);
|
|
|
2926 |
$this->addJpegImage_common($data,$x,$y,$w,$h,$imageWidth,$imageHeight);
|
|
|
2927 |
}
|
|
|
2928 |
|
|
|
2929 |
/**
|
|
|
2930 |
* common code used by the two JPEG adding functions
|
|
|
2931 |
*
|
|
|
2932 |
* @access private
|
|
|
2933 |
*/
|
|
|
2934 |
function addJpegImage_common(&$data,$x,$y,$w=0,$h=0,$imageWidth,$imageHeight,$channels=3){
|
|
|
2935 |
// note that this function is not to be called externally
|
|
|
2936 |
// it is just the common code between the GD and the file options
|
|
|
2937 |
$this->numImages++;
|
|
|
2938 |
$im=$this->numImages;
|
|
|
2939 |
$label='I'.$im;
|
|
|
2940 |
$this->numObj++;
|
|
|
2941 |
$this->o_image($this->numObj,'new',array('label'=>$label,'data'=>$data,'iw'=>$imageWidth,'ih'=>$imageHeight,'channels'=>$channels));
|
|
|
2942 |
|
|
|
2943 |
$this->objects[$this->currentContents]['c'].="\nq";
|
|
|
2944 |
$this->objects[$this->currentContents]['c'].="\n".sprintf('%.3f',$w)." 0 0 ".sprintf('%.3f',$h)." ".sprintf('%.3f',$x)." ".sprintf('%.3f',$y)." cm";
|
|
|
2945 |
$this->objects[$this->currentContents]['c'].="\n/".$label.' Do';
|
|
|
2946 |
$this->objects[$this->currentContents]['c'].="\nQ";
|
|
|
2947 |
}
|
|
|
2948 |
|
|
|
2949 |
/**
|
|
|
2950 |
* specify where the document should open when it first starts
|
|
|
2951 |
*/
|
|
|
2952 |
function openHere($style,$a=0,$b=0,$c=0){
|
|
|
2953 |
// this function will open the document at a specified page, in a specified style
|
|
|
2954 |
// the values for style, and the required paramters are:
|
|
|
2955 |
// 'XYZ' left, top, zoom
|
|
|
2956 |
// 'Fit'
|
|
|
2957 |
// 'FitH' top
|
|
|
2958 |
// 'FitV' left
|
|
|
2959 |
// 'FitR' left,bottom,right
|
|
|
2960 |
// 'FitB'
|
|
|
2961 |
// 'FitBH' top
|
|
|
2962 |
// 'FitBV' left
|
|
|
2963 |
$this->numObj++;
|
|
|
2964 |
$this->o_destination($this->numObj,'new',array('page'=>$this->currentPage,'type'=>$style,'p1'=>$a,'p2'=>$b,'p3'=>$c));
|
|
|
2965 |
$id = $this->catalogId;
|
|
|
2966 |
$this->o_catalog($id,'openHere',$this->numObj);
|
|
|
2967 |
}
|
|
|
2968 |
|
|
|
2969 |
/**
|
|
|
2970 |
* create a labelled destination within the document
|
|
|
2971 |
*/
|
|
|
2972 |
function addDestination($label,$style,$a=0,$b=0,$c=0){
|
|
|
2973 |
// associates the given label with the destination, it is done this way so that a destination can be specified after
|
|
|
2974 |
// it has been linked to
|
|
|
2975 |
// styles are the same as the 'openHere' function
|
|
|
2976 |
$this->numObj++;
|
|
|
2977 |
$this->o_destination($this->numObj,'new',array('page'=>$this->currentPage,'type'=>$style,'p1'=>$a,'p2'=>$b,'p3'=>$c));
|
|
|
2978 |
$id = $this->numObj;
|
|
|
2979 |
// store the label->idf relationship, note that this means that labels can be used only once
|
|
|
2980 |
$this->destinations["$label"]=$id;
|
|
|
2981 |
}
|
|
|
2982 |
|
|
|
2983 |
/**
|
|
|
2984 |
* define font families, this is used to initialize the font families for the default fonts
|
|
|
2985 |
* and for the user to add new ones for their fonts. The default bahavious can be overridden should
|
|
|
2986 |
* that be desired.
|
|
|
2987 |
*/
|
|
|
2988 |
function setFontFamily($family,$options=''){
|
|
|
2989 |
if (!is_array($options)){
|
|
|
2990 |
if ($family=='init'){
|
|
|
2991 |
// set the known family groups
|
|
|
2992 |
// these font families will be used to enable bold and italic markers to be included
|
|
|
2993 |
// within text streams. html forms will be used... <b></b> <i></i>
|
|
|
2994 |
$this->fontFamilies['Helvetica.afm']=array(
|
|
|
2995 |
'b'=>'Helvetica-Bold.afm'
|
|
|
2996 |
,'i'=>'Helvetica-Oblique.afm'
|
|
|
2997 |
,'bi'=>'Helvetica-BoldOblique.afm'
|
|
|
2998 |
,'ib'=>'Helvetica-BoldOblique.afm'
|
|
|
2999 |
);
|
|
|
3000 |
$this->fontFamilies['Courier.afm']=array(
|
|
|
3001 |
'b'=>'Courier-Bold.afm'
|
|
|
3002 |
,'i'=>'Courier-Oblique.afm'
|
|
|
3003 |
,'bi'=>'Courier-BoldOblique.afm'
|
|
|
3004 |
,'ib'=>'Courier-BoldOblique.afm'
|
|
|
3005 |
);
|
|
|
3006 |
$this->fontFamilies['Times-Roman.afm']=array(
|
|
|
3007 |
'b'=>'Times-Bold.afm'
|
|
|
3008 |
,'i'=>'Times-Italic.afm'
|
|
|
3009 |
,'bi'=>'Times-BoldItalic.afm'
|
|
|
3010 |
,'ib'=>'Times-BoldItalic.afm'
|
|
|
3011 |
);
|
|
|
3012 |
}
|
|
|
3013 |
} else {
|
|
|
3014 |
// the user is trying to set a font family
|
|
|
3015 |
// note that this can also be used to set the base ones to something else
|
|
|
3016 |
if (strlen($family)){
|
|
|
3017 |
$this->fontFamilies[$family] = $options;
|
|
|
3018 |
}
|
|
|
3019 |
}
|
|
|
3020 |
}
|
|
|
3021 |
|
|
|
3022 |
/**
|
|
|
3023 |
* used to add messages for use in debugging
|
|
|
3024 |
*/
|
|
|
3025 |
function addMessage($message){
|
|
|
3026 |
$this->messages.=$message."\n";
|
|
|
3027 |
}
|
|
|
3028 |
|
|
|
3029 |
/**
|
|
|
3030 |
* a few functions which should allow the document to be treated transactionally.
|
|
|
3031 |
*/
|
|
|
3032 |
function transaction($action){
|
|
|
3033 |
switch ($action){
|
|
|
3034 |
case 'start':
|
|
|
3035 |
// store all the data away into the checkpoint variable
|
|
|
3036 |
$data = get_object_vars($this);
|
|
|
3037 |
$this->checkpoint = $data;
|
|
|
3038 |
unset($data);
|
|
|
3039 |
break;
|
|
|
3040 |
case 'commit':
|
|
|
3041 |
if (is_array($this->checkpoint) && isset($this->checkpoint['checkpoint'])){
|
|
|
3042 |
$tmp = $this->checkpoint['checkpoint'];
|
|
|
3043 |
$this->checkpoint = $tmp;
|
|
|
3044 |
unset($tmp);
|
|
|
3045 |
} else {
|
|
|
3046 |
$this->checkpoint='';
|
|
|
3047 |
}
|
|
|
3048 |
break;
|
|
|
3049 |
case 'rewind':
|
|
|
3050 |
// do not destroy the current checkpoint, but move us back to the state then, so that we can try again
|
|
|
3051 |
if (is_array($this->checkpoint)){
|
|
|
3052 |
// can only abort if were inside a checkpoint
|
|
|
3053 |
$tmp = $this->checkpoint;
|
|
|
3054 |
foreach ($tmp as $k=>$v){
|
|
|
3055 |
if ($k != 'checkpoint'){
|
|
|
3056 |
$this->$k=$v;
|
|
|
3057 |
}
|
|
|
3058 |
}
|
|
|
3059 |
unset($tmp);
|
|
|
3060 |
}
|
|
|
3061 |
break;
|
|
|
3062 |
case 'abort':
|
|
|
3063 |
if (is_array($this->checkpoint)){
|
|
|
3064 |
// can only abort if were inside a checkpoint
|
|
|
3065 |
$tmp = $this->checkpoint;
|
|
|
3066 |
foreach ($tmp as $k=>$v){
|
|
|
3067 |
$this->$k=$v;
|
|
|
3068 |
}
|
|
|
3069 |
unset($tmp);
|
|
|
3070 |
}
|
|
|
3071 |
break;
|
|
|
3072 |
}
|
|
|
3073 |
|
|
|
3074 |
}
|
|
|
3075 |
|
|
|
3076 |
} // end of class
|
|
|
3077 |
|
|
|
3078 |
?>
|