3075 lines
101 KiB
PHP
3075 lines
101 KiB
PHP
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<?php
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/**
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* Cpdf
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*
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* http://www.ros.co.nz/pdf
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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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*/
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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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|||
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* $options = optional, a string or array containing the various parameters for the object
|
|||
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*
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* These, in conjunction with the output function are the ONLY way for output to be produced
|
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* within the pdf 'file'.
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|||
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*/
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/**
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*destination object, used to specify the location for the user to jump to, presently on opening
|
|||
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*/
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function o_destination($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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|||
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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 $res;
|
|||
|
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break;
|
|||
|
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}
|
|||
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}
|
|||
|
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|
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|
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/**
|
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* set the viewer preferences
|
|||
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*/
|
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function o_viewerPreferences($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 ($action){
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|||
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case 'new':
|
|||
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$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 ($k){
|
|||
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case 'HideToolbar':
|
|||
|
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case 'HideMenubar':
|
|||
|
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case 'HideWindowUI':
|
|||
|
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case 'FitWindow':
|
|||
|
|
case 'CenterWindow':
|
|||
|
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case 'NonFullScreenPageMode':
|
|||
|
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case 'Direction':
|
|||
|
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$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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|
|||
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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 $res;
|
|||
|
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break;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
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/**
|
|||
|
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* define the document catalog, the overall controller for the document
|
|||
|
|
*/
|
|||
|
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function o_catalog($id,$action,$options=''){
|
|||
|
|
if ($action!='new'){
|
|||
|
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$o =& $this->objects[$id];
|
|||
|
|
}
|
|||
|
|
switch ($action){
|
|||
|
|
case 'new':
|
|||
|
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$this->objects[$id]=array('t'=>'catalog','info'=>array());
|
|||
|
|
$this->catalogId=$id;
|
|||
|
|
break;
|
|||
|
|
case 'outlines':
|
|||
|
|
case 'pages':
|
|||
|
|
case 'openHere':
|
|||
|
|
$o['info'][$action]=$options;
|
|||
|
|
break;
|
|||
|
|
case 'viewerPreferences':
|
|||
|
|
if (!isset($o['info']['viewerPreferences'])){
|
|||
|
|
$this->numObj++;
|
|||
|
|
$this->o_viewerPreferences($this->numObj,'new');
|
|||
|
|
$o['info']['viewerPreferences']=$this->numObj;
|
|||
|
|
}
|
|||
|
|
$vp = $o['info']['viewerPreferences'];
|
|||
|
|
$this->o_viewerPreferences($vp,'add',$options);
|
|||
|
|
break;
|
|||
|
|
case 'out':
|
|||
|
|
$res="\n".$id." 0 obj\n".'<< /Type /Catalog';
|
|||
|
|
foreach($o['info'] as $k=>$v){
|
|||
|
|
switch($k){
|
|||
|
|
case 'outlines':
|
|||
|
|
$res.="\n".'/Outlines '.$v.' 0 R';
|
|||
|
|
break;
|
|||
|
|
case 'pages':
|
|||
|
|
$res.="\n".'/Pages '.$v.' 0 R';
|
|||
|
|
break;
|
|||
|
|
case 'viewerPreferences':
|
|||
|
|
$res.="\n".'/ViewerPreferences '.$o['info']['viewerPreferences'].' 0 R';
|
|||
|
|
break;
|
|||
|
|
case 'openHere':
|
|||
|
|
$res.="\n".'/OpenAction '.$o['info']['openHere'].' 0 R';
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
$res.=" >>\nendobj";
|
|||
|
|
return $res;
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* object which is a parent to the pages in the document
|
|||
|
|
*/
|
|||
|
|
function o_pages($id,$action,$options=''){
|
|||
|
|
if ($action!='new'){
|
|||
|
|
$o =& $this->objects[$id];
|
|||
|
|
}
|
|||
|
|
switch ($action){
|
|||
|
|
case 'new':
|
|||
|
|
$this->objects[$id]=array('t'=>'pages','info'=>array());
|
|||
|
|
$this->o_catalog($this->catalogId,'pages',$id);
|
|||
|
|
break;
|
|||
|
|
case 'page':
|
|||
|
|
if (!is_array($options)){
|
|||
|
|
// then it will just be the id of the new page
|
|||
|
|
$o['info']['pages'][]=$options;
|
|||
|
|
} else {
|
|||
|
|
// then it should be an array having 'id','rid','pos', where rid=the page to which this one will be placed relative
|
|||
|
|
// and pos is either 'before' or 'after', saying where this page will fit.
|
|||
|
|
if (isset($options['id']) && isset($options['rid']) && isset($options['pos'])){
|
|||
|
|
$i = array_search($options['rid'],$o['info']['pages']);
|
|||
|
|
if (isset($o['info']['pages'][$i]) && $o['info']['pages'][$i]==$options['rid']){
|
|||
|
|
// then there is a match
|
|||
|
|
// make a space
|
|||
|
|
switch ($options['pos']){
|
|||
|
|
case 'before':
|
|||
|
|
$k = $i;
|
|||
|
|
break;
|
|||
|
|
case 'after':
|
|||
|
|
$k=$i+1;
|
|||
|
|
break;
|
|||
|
|
default:
|
|||
|
|
$k=-1;
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
if ($k>=0){
|
|||
|
|
for ($j=count($o['info']['pages'])-1;$j>=$k;$j--){
|
|||
|
|
$o['info']['pages'][$j+1]=$o['info']['pages'][$j];
|
|||
|
|
}
|
|||
|
|
$o['info']['pages'][$k]=$options['id'];
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
break;
|
|||
|
|
case 'procset':
|
|||
|
|
$o['info']['procset']=$options;
|
|||
|
|
break;
|
|||
|
|
case 'mediaBox':
|
|||
|
|
$o['info']['mediaBox']=$options; // which should be an array of 4 numbers
|
|||
|
|
break;
|
|||
|
|
case 'font':
|
|||
|
|
$o['info']['fonts'][]=array('objNum'=>$options['objNum'],'fontNum'=>$options['fontNum']);
|
|||
|
|
break;
|
|||
|
|
case 'xObject':
|
|||
|
|
$o['info']['xObjects'][]=array('objNum'=>$options['objNum'],'label'=>$options['label']);
|
|||
|
|
break;
|
|||
|
|
case 'out':
|
|||
|
|
if (count($o['info']['pages'])){
|
|||
|
|
$res="\n".$id." 0 obj\n<< /Type /Pages\n/Kids [";
|
|||
|
|
foreach($o['info']['pages'] as $k=>$v){
|
|||
|
|
$res.=$v." 0 R\n";
|
|||
|
|
}
|
|||
|
|
$res.="]\n/Count ".count($this->objects[$id]['info']['pages']);
|
|||
|
|
if ((isset($o['info']['fonts']) && count($o['info']['fonts'])) || isset($o['info']['procset'])){
|
|||
|
|
$res.="\n/Resources <<";
|
|||
|
|
if (isset($o['info']['procset'])){
|
|||
|
|
$res.="\n/ProcSet ".$o['info']['procset']." 0 R";
|
|||
|
|
}
|
|||
|
|
if (isset($o['info']['fonts']) && count($o['info']['fonts'])){
|
|||
|
|
$res.="\n/Font << ";
|
|||
|
|
foreach($o['info']['fonts'] as $finfo){
|
|||
|
|
$res.="\n/F".$finfo['fontNum']." ".$finfo['objNum']." 0 R";
|
|||
|
|
}
|
|||
|
|
$res.=" >>";
|
|||
|
|
}
|
|||
|
|
if (isset($o['info']['xObjects']) && count($o['info']['xObjects'])){
|
|||
|
|
$res.="\n/XObject << ";
|
|||
|
|
foreach($o['info']['xObjects'] as $finfo){
|
|||
|
|
$res.="\n/".$finfo['label']." ".$finfo['objNum']." 0 R";
|
|||
|
|
}
|
|||
|
|
$res.=" >>";
|
|||
|
|
}
|
|||
|
|
$res.="\n>>";
|
|||
|
|
if (isset($o['info']['mediaBox'])){
|
|||
|
|
$tmp=$o['info']['mediaBox'];
|
|||
|
|
$res.="\n/MediaBox [".sprintf('%.3f',$tmp[0]).' '.sprintf('%.3f',$tmp[1]).' '.sprintf('%.3f',$tmp[2]).' '.sprintf('%.3f',$tmp[3]).']';
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
$res.="\n >>\nendobj";
|
|||
|
|
} else {
|
|||
|
|
$res="\n".$id." 0 obj\n<< /Type /Pages\n/Count 0\n>>\nendobj";
|
|||
|
|
}
|
|||
|
|
return $res;
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* define the outlines in the doc, empty for now
|
|||
|
|
*/
|
|||
|
|
function o_outlines($id,$action,$options=''){
|
|||
|
|
if ($action!='new'){
|
|||
|
|
$o =& $this->objects[$id];
|
|||
|
|
}
|
|||
|
|
switch ($action){
|
|||
|
|
case 'new':
|
|||
|
|
$this->objects[$id]=array('t'=>'outlines','info'=>array('outlines'=>array()));
|
|||
|
|
$this->o_catalog($this->catalogId,'outlines',$id);
|
|||
|
|
break;
|
|||
|
|
case 'outline':
|
|||
|
|
$o['info']['outlines'][]=$options;
|
|||
|
|
break;
|
|||
|
|
case 'out':
|
|||
|
|
if (count($o['info']['outlines'])){
|
|||
|
|
$res="\n".$id." 0 obj\n<< /Type /Outlines /Kids [";
|
|||
|
|
foreach($o['info']['outlines'] as $k=>$v){
|
|||
|
|
$res.=$v." 0 R ";
|
|||
|
|
}
|
|||
|
|
$res.="] /Count ".count($o['info']['outlines'])." >>\nendobj";
|
|||
|
|
} else {
|
|||
|
|
$res="\n".$id." 0 obj\n<< /Type /Outlines /Count 0 >>\nendobj";
|
|||
|
|
}
|
|||
|
|
return $res;
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* an object to hold the font description
|
|||
|
|
*/
|
|||
|
|
function o_font($id,$action,$options=''){
|
|||
|
|
if ($action!='new'){
|
|||
|
|
$o =& $this->objects[$id];
|
|||
|
|
}
|
|||
|
|
switch ($action){
|
|||
|
|
case 'new':
|
|||
|
|
$this->objects[$id]=array('t'=>'font','info'=>array('name'=>$options['name'],'SubType'=>'Type1'));
|
|||
|
|
$fontNum=$this->numFonts;
|
|||
|
|
$this->objects[$id]['info']['fontNum']=$fontNum;
|
|||
|
|
// deal with the encoding and the differences
|
|||
|
|
if (isset($options['differences'])){
|
|||
|
|
// then we'll need an encoding dictionary
|
|||
|
|
$this->numObj++;
|
|||
|
|
$this->o_fontEncoding($this->numObj,'new',$options);
|
|||
|
|
$this->objects[$id]['info']['encodingDictionary']=$this->numObj;
|
|||
|
|
} else if (isset($options['encoding'])){
|
|||
|
|
// we can specify encoding here
|
|||
|
|
switch($options['encoding']){
|
|||
|
|
case 'WinAnsiEncoding':
|
|||
|
|
case 'MacRomanEncoding':
|
|||
|
|
case 'MacExpertEncoding':
|
|||
|
|
$this->objects[$id]['info']['encoding']=$options['encoding'];
|
|||
|
|
break;
|
|||
|
|
case 'none':
|
|||
|
|
break;
|
|||
|
|
default:
|
|||
|
|
$this->objects[$id]['info']['encoding']='WinAnsiEncoding';
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
} else {
|
|||
|
|
$this->objects[$id]['info']['encoding']='WinAnsiEncoding';
|
|||
|
|
}
|
|||
|
|
// also tell the pages node about the new font
|
|||
|
|
$this->o_pages($this->currentNode,'font',array('fontNum'=>$fontNum,'objNum'=>$id));
|
|||
|
|
break;
|
|||
|
|
case 'add':
|
|||
|
|
foreach ($options as $k=>$v){
|
|||
|
|
switch ($k){
|
|||
|
|
case 'BaseFont':
|
|||
|
|
$o['info']['name'] = $v;
|
|||
|
|
break;
|
|||
|
|
case 'FirstChar':
|
|||
|
|
case 'LastChar':
|
|||
|
|
case 'Widths':
|
|||
|
|
case 'FontDescriptor':
|
|||
|
|
case 'SubType':
|
|||
|
|
$this->addMessage('o_font '.$k." : ".$v);
|
|||
|
|
$o['info'][$k] = $v;
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
break;
|
|||
|
|
case 'out':
|
|||
|
|
$res="\n".$id." 0 obj\n<< /Type /Font\n/Subtype /".$o['info']['SubType']."\n";
|
|||
|
|
$res.="/Name /F".$o['info']['fontNum']."\n";
|
|||
|
|
$res.="/BaseFont /".$o['info']['name']."\n";
|
|||
|
|
if (isset($o['info']['encodingDictionary'])){
|
|||
|
|
// then place a reference to the dictionary
|
|||
|
|
$res.="/Encoding ".$o['info']['encodingDictionary']." 0 R\n";
|
|||
|
|
} else if (isset($o['info']['encoding'])){
|
|||
|
|
// use the specified encoding
|
|||
|
|
$res.="/Encoding /".$o['info']['encoding']."\n";
|
|||
|
|
}
|
|||
|
|
if (isset($o['info']['FirstChar'])){
|
|||
|
|
$res.="/FirstChar ".$o['info']['FirstChar']."\n";
|
|||
|
|
}
|
|||
|
|
if (isset($o['info']['LastChar'])){
|
|||
|
|
$res.="/LastChar ".$o['info']['LastChar']."\n";
|
|||
|
|
}
|
|||
|
|
if (isset($o['info']['Widths'])){
|
|||
|
|
$res.="/Widths ".$o['info']['Widths']." 0 R\n";
|
|||
|
|
}
|
|||
|
|
if (isset($o['info']['FontDescriptor'])){
|
|||
|
|
$res.="/FontDescriptor ".$o['info']['FontDescriptor']." 0 R\n";
|
|||
|
|
}
|
|||
|
|
$res.=">>\nendobj";
|
|||
|
|
return $res;
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* a font descriptor, needed for including additional fonts
|
|||
|
|
*/
|
|||
|
|
function o_fontDescriptor($id,$action,$options=''){
|
|||
|
|
if ($action!='new'){
|
|||
|
|
$o =& $this->objects[$id];
|
|||
|
|
}
|
|||
|
|
switch ($action){
|
|||
|
|
case 'new':
|
|||
|
|
$this->objects[$id]=array('t'=>'fontDescriptor','info'=>$options);
|
|||
|
|
break;
|
|||
|
|
case 'out':
|
|||
|
|
$res="\n".$id." 0 obj\n<< /Type /FontDescriptor\n";
|
|||
|
|
foreach ($o['info'] as $label => $value){
|
|||
|
|
switch ($label){
|
|||
|
|
case 'Ascent':
|
|||
|
|
case 'CapHeight':
|
|||
|
|
case 'Descent':
|
|||
|
|
case 'Flags':
|
|||
|
|
case 'ItalicAngle':
|
|||
|
|
case 'StemV':
|
|||
|
|
case 'AvgWidth':
|
|||
|
|
case 'Leading':
|
|||
|
|
case 'MaxWidth':
|
|||
|
|
case 'MissingWidth':
|
|||
|
|
case 'StemH':
|
|||
|
|
case 'XHeight':
|
|||
|
|
case 'CharSet':
|
|||
|
|
if (strlen($value)){
|
|||
|
|
$res.='/'.$label.' '.$value."\n";
|
|||
|
|
}
|
|||
|
|
break;
|
|||
|
|
case 'FontFile':
|
|||
|
|
case 'FontFile2':
|
|||
|
|
case 'FontFile3':
|
|||
|
|
$res.='/'.$label.' '.$value." 0 R\n";
|
|||
|
|
break;
|
|||
|
|
case 'FontBBox':
|
|||
|
|
$res.='/'.$label.' ['.$value[0].' '.$value[1].' '.$value[2].' '.$value[3]."]\n";
|
|||
|
|
break;
|
|||
|
|
case 'FontName':
|
|||
|
|
$res.='/'.$label.' /'.$value."\n";
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
$res.=">>\nendobj";
|
|||
|
|
return $res;
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* the font encoding
|
|||
|
|
*/
|
|||
|
|
function o_fontEncoding($id,$action,$options=''){
|
|||
|
|
if ($action!='new'){
|
|||
|
|
$o =& $this->objects[$id];
|
|||
|
|
}
|
|||
|
|
switch ($action){
|
|||
|
|
case 'new':
|
|||
|
|
// the options array should contain 'differences' and maybe 'encoding'
|
|||
|
|
$this->objects[$id]=array('t'=>'fontEncoding','info'=>$options);
|
|||
|
|
break;
|
|||
|
|
case 'out':
|
|||
|
|
$res="\n".$id." 0 obj\n<< /Type /Encoding\n";
|
|||
|
|
if (!isset($o['info']['encoding'])){
|
|||
|
|
$o['info']['encoding']='WinAnsiEncoding';
|
|||
|
|
}
|
|||
|
|
if ($o['info']['encoding']!='none'){
|
|||
|
|
$res.="/BaseEncoding /".$o['info']['encoding']."\n";
|
|||
|
|
}
|
|||
|
|
$res.="/Differences \n[";
|
|||
|
|
$onum=-100;
|
|||
|
|
foreach($o['info']['differences'] as $num=>$label){
|
|||
|
|
if ($num!=$onum+1){
|
|||
|
|
// we cannot make use of consecutive numbering
|
|||
|
|
$res.= "\n".$num." /".$label;
|
|||
|
|
} else {
|
|||
|
|
$res.= " /".$label;
|
|||
|
|
}
|
|||
|
|
$onum=$num;
|
|||
|
|
}
|
|||
|
|
$res.="\n]\n>>\nendobj";
|
|||
|
|
return $res;
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* the document procset, solves some problems with printing to old PS printers
|
|||
|
|
*/
|
|||
|
|
function o_procset($id,$action,$options=''){
|
|||
|
|
if ($action!='new'){
|
|||
|
|
$o =& $this->objects[$id];
|
|||
|
|
}
|
|||
|
|
switch ($action){
|
|||
|
|
case 'new':
|
|||
|
|
$this->objects[$id]=array('t'=>'procset','info'=>array('PDF'=>1,'Text'=>1));
|
|||
|
|
$this->o_pages($this->currentNode,'procset',$id);
|
|||
|
|
$this->procsetObjectId=$id;
|
|||
|
|
break;
|
|||
|
|
case 'add':
|
|||
|
|
// this is to add new items to the procset list, despite the fact that this is considered
|
|||
|
|
// obselete, the items are required for printing to some postscript printers
|
|||
|
|
switch ($options) {
|
|||
|
|
case 'ImageB':
|
|||
|
|
case 'ImageC':
|
|||
|
|
case 'ImageI':
|
|||
|
|
$o['info'][$options]=1;
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
break;
|
|||
|
|
case 'out':
|
|||
|
|
$res="\n".$id." 0 obj\n[";
|
|||
|
|
foreach ($o['info'] as $label=>$val){
|
|||
|
|
$res.='/'.$label.' ';
|
|||
|
|
}
|
|||
|
|
$res.="]\nendobj";
|
|||
|
|
return $res;
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* define the document information
|
|||
|
|
*/
|
|||
|
|
function o_info($id,$action,$options=''){
|
|||
|
|
if ($action!='new'){
|
|||
|
|
$o =& $this->objects[$id];
|
|||
|
|
}
|
|||
|
|
switch ($action){
|
|||
|
|
case 'new':
|
|||
|
|
$this->infoObject=$id;
|
|||
|
|
$date='D:'.date('Ymd');
|
|||
|
|
$this->objects[$id]=array('t'=>'info','info'=>array('Creator'=>'R and OS php pdf writer, http://www.ros.co.nz','CreationDate'=>$date));
|
|||
|
|
break;
|
|||
|
|
case 'Title':
|
|||
|
|
case 'Author':
|
|||
|
|
case 'Subject':
|
|||
|
|
case 'Keywords':
|
|||
|
|
case 'Creator':
|
|||
|
|
case 'Producer':
|
|||
|
|
case 'CreationDate':
|
|||
|
|
case 'ModDate':
|
|||
|
|
case 'Trapped':
|
|||
|
|
$o['info'][$action]=$options;
|
|||
|
|
break;
|
|||
|
|
case 'out':
|
|||
|
|
if ($this->encrypted){
|
|||
|
|
$this->encryptInit($id);
|
|||
|
|
}
|
|||
|
|
$res="\n".$id." 0 obj\n<<\n";
|
|||
|
|
foreach ($o['info'] as $k=>$v){
|
|||
|
|
$res.='/'.$k.' (';
|
|||
|
|
if ($this->encrypted){
|
|||
|
|
$res.=$this->filterText($this->ARC4($v));
|
|||
|
|
} else {
|
|||
|
|
$res.=$this->filterText($v);
|
|||
|
|
}
|
|||
|
|
$res.=")\n";
|
|||
|
|
}
|
|||
|
|
$res.=">>\nendobj";
|
|||
|
|
return $res;
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* an action object, used to link to URLS initially
|
|||
|
|
*/
|
|||
|
|
function o_action($id,$action,$options=''){
|
|||
|
|
if ($action!='new'){
|
|||
|
|
$o =& $this->objects[$id];
|
|||
|
|
}
|
|||
|
|
switch ($action){
|
|||
|
|
case 'new':
|
|||
|
|
if (is_array($options)){
|
|||
|
|
$this->objects[$id]=array('t'=>'action','info'=>$options,'type'=>$options['type']);
|
|||
|
|
} else {
|
|||
|
|
// then assume a URI action
|
|||
|
|
$this->objects[$id]=array('t'=>'action','info'=>$options,'type'=>'URI');
|
|||
|
|
}
|
|||
|
|
break;
|
|||
|
|
case 'out':
|
|||
|
|
if ($this->encrypted){
|
|||
|
|
$this->encryptInit($id);
|
|||
|
|
}
|
|||
|
|
$res="\n".$id." 0 obj\n<< /Type /Action";
|
|||
|
|
switch($o['type']){
|
|||
|
|
case 'ilink':
|
|||
|
|
// there will be an 'label' setting, this is the name of the destination
|
|||
|
|
$res.="\n/S /GoTo\n/D ".$this->destinations[(string)$o['info']['label']]." 0 R";
|
|||
|
|
break;
|
|||
|
|
case 'URI':
|
|||
|
|
$res.="\n/S /URI\n/URI (";
|
|||
|
|
if ($this->encrypted){
|
|||
|
|
$res.=$this->filterText($this->ARC4($o['info']));
|
|||
|
|
} else {
|
|||
|
|
$res.=$this->filterText($o['info']);
|
|||
|
|
}
|
|||
|
|
$res.=")";
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
$res.="\n>>\nendobj";
|
|||
|
|
return $res;
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* an annotation object, this will add an annotation to the current page.
|
|||
|
|
* initially will support just link annotations
|
|||
|
|
*/
|
|||
|
|
function o_annotation($id,$action,$options=''){
|
|||
|
|
if ($action!='new'){
|
|||
|
|
$o =& $this->objects[$id];
|
|||
|
|
}
|
|||
|
|
switch ($action){
|
|||
|
|
case 'new':
|
|||
|
|
// add the annotation to the current page
|
|||
|
|
$pageId = $this->currentPage;
|
|||
|
|
$this->o_page($pageId,'annot',$id);
|
|||
|
|
// and add the action object which is going to be required
|
|||
|
|
switch($options['type']){
|
|||
|
|
case 'link':
|
|||
|
|
$this->objects[$id]=array('t'=>'annotation','info'=>$options);
|
|||
|
|
$this->numObj++;
|
|||
|
|
$this->o_action($this->numObj,'new',$options['url']);
|
|||
|
|
$this->objects[$id]['info']['actionId']=$this->numObj;
|
|||
|
|
break;
|
|||
|
|
case 'ilink':
|
|||
|
|
// this is to a named internal link
|
|||
|
|
$label = $options['label'];
|
|||
|
|
$this->objects[$id]=array('t'=>'annotation','info'=>$options);
|
|||
|
|
$this->numObj++;
|
|||
|
|
$this->o_action($this->numObj,'new',array('type'=>'ilink','label'=>$label));
|
|||
|
|
$this->objects[$id]['info']['actionId']=$this->numObj;
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
break;
|
|||
|
|
case 'out':
|
|||
|
|
$res="\n".$id." 0 obj\n<< /Type /Annot";
|
|||
|
|
switch($o['info']['type']){
|
|||
|
|
case 'link':
|
|||
|
|
case 'ilink':
|
|||
|
|
$res.= "\n/Subtype /Link";
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
$res.="\n/A ".$o['info']['actionId']." 0 R";
|
|||
|
|
$res.="\n/Border [0 0 0]";
|
|||
|
|
$res.="\n/H /I";
|
|||
|
|
$res.="\n/Rect [ ";
|
|||
|
|
foreach($o['info']['rect'] as $v){
|
|||
|
|
$res.= sprintf("%.4f ",$v);
|
|||
|
|
}
|
|||
|
|
$res.="]";
|
|||
|
|
$res.="\n>>\nendobj";
|
|||
|
|
return $res;
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* a page object, it also creates a contents object to hold its contents
|
|||
|
|
*/
|
|||
|
|
function o_page($id,$action,$options=''){
|
|||
|
|
if ($action!='new'){
|
|||
|
|
$o =& $this->objects[$id];
|
|||
|
|
}
|
|||
|
|
switch ($action){
|
|||
|
|
case 'new':
|
|||
|
|
$this->numPages++;
|
|||
|
|
$this->objects[$id]=array('t'=>'page','info'=>array('parent'=>$this->currentNode,'pageNum'=>$this->numPages));
|
|||
|
|
if (is_array($options)){
|
|||
|
|
// then this must be a page insertion, array shoudl contain 'rid','pos'=[before|after]
|
|||
|
|
$options['id']=$id;
|
|||
|
|
$this->o_pages($this->currentNode,'page',$options);
|
|||
|
|
} else {
|
|||
|
|
$this->o_pages($this->currentNode,'page',$id);
|
|||
|
|
}
|
|||
|
|
$this->currentPage=$id;
|
|||
|
|
//make a contents object to go with this page
|
|||
|
|
$this->numObj++;
|
|||
|
|
$this->o_contents($this->numObj,'new',$id);
|
|||
|
|
$this->currentContents=$this->numObj;
|
|||
|
|
$this->objects[$id]['info']['contents']=array();
|
|||
|
|
$this->objects[$id]['info']['contents'][]=$this->numObj;
|
|||
|
|
$match = ($this->numPages%2 ? 'odd' : 'even');
|
|||
|
|
foreach($this->addLooseObjects as $oId=>$target){
|
|||
|
|
if ($target=='all' || $match==$target){
|
|||
|
|
$this->objects[$id]['info']['contents'][]=$oId;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
break;
|
|||
|
|
case 'content':
|
|||
|
|
$o['info']['contents'][]=$options;
|
|||
|
|
break;
|
|||
|
|
case 'annot':
|
|||
|
|
// add an annotation to this page
|
|||
|
|
if (!isset($o['info']['annot'])){
|
|||
|
|
$o['info']['annot']=array();
|
|||
|
|
}
|
|||
|
|
// $options should contain the id of the annotation dictionary
|
|||
|
|
$o['info']['annot'][]=$options;
|
|||
|
|
break;
|
|||
|
|
case 'out':
|
|||
|
|
$res="\n".$id." 0 obj\n<< /Type /Page";
|
|||
|
|
$res.="\n/Parent ".$o['info']['parent']." 0 R";
|
|||
|
|
if (isset($o['info']['annot'])){
|
|||
|
|
$res.="\n/Annots [";
|
|||
|
|
foreach($o['info']['annot'] as $aId){
|
|||
|
|
$res.=" ".$aId." 0 R";
|
|||
|
|
}
|
|||
|
|
$res.=" ]";
|
|||
|
|
}
|
|||
|
|
$count = count($o['info']['contents']);
|
|||
|
|
if ($count==1){
|
|||
|
|
$res.="\n/Contents ".$o['info']['contents'][0]." 0 R";
|
|||
|
|
} else if ($count>1){
|
|||
|
|
$res.="\n/Contents [\n";
|
|||
|
|
foreach ($o['info']['contents'] as $cId){
|
|||
|
|
$res.=$cId." 0 R\n";
|
|||
|
|
}
|
|||
|
|
$res.="]";
|
|||
|
|
}
|
|||
|
|
$res.="\n>>\nendobj";
|
|||
|
|
return $res;
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* the contents objects hold all of the content which appears on pages
|
|||
|
|
*/
|
|||
|
|
function o_contents($id,$action,$options=''){
|
|||
|
|
if ($action!='new'){
|
|||
|
|
$o =& $this->objects[$id];
|
|||
|
|
}
|
|||
|
|
switch ($action){
|
|||
|
|
case 'new':
|
|||
|
|
$this->objects[$id]=array('t'=>'contents','c'=>'','info'=>array());
|
|||
|
|
if (strlen($options) && intval($options)){
|
|||
|
|
// then this contents is the primary for a page
|
|||
|
|
$this->objects[$id]['onPage']=$options;
|
|||
|
|
} else if ($options=='raw'){
|
|||
|
|
// then this page contains some other type of system object
|
|||
|
|
$this->objects[$id]['raw']=1;
|
|||
|
|
}
|
|||
|
|
break;
|
|||
|
|
case 'add':
|
|||
|
|
// add more options to the decleration
|
|||
|
|
foreach ($options as $k=>$v){
|
|||
|
|
$o['info'][$k]=$v;
|
|||
|
|
}
|
|||
|
|
case 'out':
|
|||
|
|
$tmp=$o['c'];
|
|||
|
|
$res= "\n".$id." 0 obj\n";
|
|||
|
|
if (isset($this->objects[$id]['raw'])){
|
|||
|
|
$res.=$tmp;
|
|||
|
|
} else {
|
|||
|
|
$res.= "<<";
|
|||
|
|
if (function_exists('gzcompress') && $this->options['compression']){
|
|||
|
|
// then implement ZLIB based compression on this content stream
|
|||
|
|
$res.=" /Filter /FlateDecode";
|
|||
|
|
$tmp = gzcompress($tmp);
|
|||
|
|
}
|
|||
|
|
if ($this->encrypted){
|
|||
|
|
$this->encryptInit($id);
|
|||
|
|
$tmp = $this->ARC4($tmp);
|
|||
|
|
}
|
|||
|
|
foreach($o['info'] as $k=>$v){
|
|||
|
|
$res .= "\n/".$k.' '.$v;
|
|||
|
|
}
|
|||
|
|
$res.="\n/Length ".strlen($tmp)." >>\nstream\n".$tmp."\nendstream";
|
|||
|
|
}
|
|||
|
|
$res.="\nendobj\n";
|
|||
|
|
return $res;
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* an image object, will be an XObject in the document, includes description and data
|
|||
|
|
*/
|
|||
|
|
function o_image($id,$action,$options=''){
|
|||
|
|
if ($action!='new'){
|
|||
|
|
$o =& $this->objects[$id];
|
|||
|
|
}
|
|||
|
|
switch($action){
|
|||
|
|
case 'new':
|
|||
|
|
// make the new object
|
|||
|
|
$this->objects[$id]=array('t'=>'image','data'=>$options['data'],'info'=>array());
|
|||
|
|
$this->objects[$id]['info']['Type']='/XObject';
|
|||
|
|
$this->objects[$id]['info']['Subtype']='/Image';
|
|||
|
|
$this->objects[$id]['info']['Width']=$options['iw'];
|
|||
|
|
$this->objects[$id]['info']['Height']=$options['ih'];
|
|||
|
|
if (!isset($options['type']) || $options['type']=='jpg'){
|
|||
|
|
if (!isset($options['channels'])){
|
|||
|
|
$options['channels']=3;
|
|||
|
|
}
|
|||
|
|
switch($options['channels']){
|
|||
|
|
case 1:
|
|||
|
|
$this->objects[$id]['info']['ColorSpace']='/DeviceGray';
|
|||
|
|
break;
|
|||
|
|
default:
|
|||
|
|
$this->objects[$id]['info']['ColorSpace']='/DeviceRGB';
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
$this->objects[$id]['info']['Filter']='/DCTDecode';
|
|||
|
|
$this->objects[$id]['info']['BitsPerComponent']=8;
|
|||
|
|
} else if ($options['type']=='png'){
|
|||
|
|
$this->objects[$id]['info']['Filter']='/FlateDecode';
|
|||
|
|
$this->objects[$id]['info']['DecodeParms']='<< /Predictor 15 /Colors '.$options['ncolor'].' /Columns '.$options['iw'].' /BitsPerComponent '.$options['bitsPerComponent'].'>>';
|
|||
|
|
if (strlen($options['pdata'])){
|
|||
|
|
$tmp = ' [ /Indexed /DeviceRGB '.(strlen($options['pdata'])/3-1).' ';
|
|||
|
|
$this->numObj++;
|
|||
|
|
$this->o_contents($this->numObj,'new');
|
|||
|
|
$this->objects[$this->numObj]['c']=$options['pdata'];
|
|||
|
|
$tmp.=$this->numObj.' 0 R';
|
|||
|
|
$tmp .=' ]';
|
|||
|
|
$this->objects[$id]['info']['ColorSpace'] = $tmp;
|
|||
|
|
if (isset($options['transparency'])){
|
|||
|
|
switch($options['transparency']['type']){
|
|||
|
|
case 'indexed':
|
|||
|
|
$tmp=' [ '.$options['transparency']['data'].' '.$options['transparency']['data'].'] ';
|
|||
|
|
$this->objects[$id]['info']['Mask'] = $tmp;
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
} else {
|
|||
|
|
$this->objects[$id]['info']['ColorSpace']='/'.$options['color'];
|
|||
|
|
}
|
|||
|
|
$this->objects[$id]['info']['BitsPerComponent']=$options['bitsPerComponent'];
|
|||
|
|
}
|
|||
|
|
// assign it a place in the named resource dictionary as an external object, according to
|
|||
|
|
// the label passed in with it.
|
|||
|
|
$this->o_pages($this->currentNode,'xObject',array('label'=>$options['label'],'objNum'=>$id));
|
|||
|
|
// also make sure that we have the right procset object for it.
|
|||
|
|
$this->o_procset($this->procsetObjectId,'add','ImageC');
|
|||
|
|
break;
|
|||
|
|
case 'out':
|
|||
|
|
$tmp=$o['data'];
|
|||
|
|
$res= "\n".$id." 0 obj\n<<";
|
|||
|
|
foreach($o['info'] as $k=>$v){
|
|||
|
|
$res.="\n/".$k.' '.$v;
|
|||
|
|
}
|
|||
|
|
if ($this->encrypted){
|
|||
|
|
$this->encryptInit($id);
|
|||
|
|
$tmp = $this->ARC4($tmp);
|
|||
|
|
}
|
|||
|
|
$res.="\n/Length ".strlen($tmp)." >>\nstream\n".$tmp."\nendstream\nendobj\n";
|
|||
|
|
return $res;
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* encryption object.
|
|||
|
|
*/
|
|||
|
|
function o_encryption($id,$action,$options=''){
|
|||
|
|
if ($action!='new'){
|
|||
|
|
$o =& $this->objects[$id];
|
|||
|
|
}
|
|||
|
|
switch($action){
|
|||
|
|
case 'new':
|
|||
|
|
// make the new object
|
|||
|
|
$this->objects[$id]=array('t'=>'encryption','info'=>$options);
|
|||
|
|
$this->arc4_objnum=$id;
|
|||
|
|
// figure out the additional paramaters required
|
|||
|
|
$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);
|
|||
|
|
$len = strlen($options['owner']);
|
|||
|
|
if ($len>32){
|
|||
|
|
$owner = substr($options['owner'],0,32);
|
|||
|
|
} else if ($len<32){
|
|||
|
|
$owner = $options['owner'].substr($pad,0,32-$len);
|
|||
|
|
} else {
|
|||
|
|
$owner = $options['owner'];
|
|||
|
|
}
|
|||
|
|
$len = strlen($options['user']);
|
|||
|
|
if ($len>32){
|
|||
|
|
$user = substr($options['user'],0,32);
|
|||
|
|
} else if ($len<32){
|
|||
|
|
$user = $options['user'].substr($pad,0,32-$len);
|
|||
|
|
} else {
|
|||
|
|
$user = $options['user'];
|
|||
|
|
}
|
|||
|
|
$tmp = $this->md5_16($owner);
|
|||
|
|
$okey = substr($tmp,0,5);
|
|||
|
|
$this->ARC4_init($okey);
|
|||
|
|
$ovalue=$this->ARC4($user);
|
|||
|
|
$this->objects[$id]['info']['O']=$ovalue;
|
|||
|
|
// now make the u value, phew.
|
|||
|
|
$tmp = $this->md5_16($user.$ovalue.chr($options['p']).chr(255).chr(255).chr(255).$this->fileIdentifier);
|
|||
|
|
$ukey = substr($tmp,0,5);
|
|||
|
|
|
|||
|
|
$this->ARC4_init($ukey);
|
|||
|
|
$this->encryptionKey = $ukey;
|
|||
|
|
$this->encrypted=1;
|
|||
|
|
$uvalue=$this->ARC4($pad);
|
|||
|
|
|
|||
|
|
$this->objects[$id]['info']['U']=$uvalue;
|
|||
|
|
$this->encryptionKey=$ukey;
|
|||
|
|
|
|||
|
|
// initialize the arc4 array
|
|||
|
|
break;
|
|||
|
|
case 'out':
|
|||
|
|
$res= "\n".$id." 0 obj\n<<";
|
|||
|
|
$res.="\n/Filter /Standard";
|
|||
|
|
$res.="\n/V 1";
|
|||
|
|
$res.="\n/R 2";
|
|||
|
|
$res.="\n/O (".$this->filterText($o['info']['O']).')';
|
|||
|
|
$res.="\n/U (".$this->filterText($o['info']['U']).')';
|
|||
|
|
// and the p-value needs to be converted to account for the twos-complement approach
|
|||
|
|
$o['info']['p'] = (($o['info']['p']^255)+1)*-1;
|
|||
|
|
$res.="\n/P ".($o['info']['p']);
|
|||
|
|
$res.="\n>>\nendobj\n";
|
|||
|
|
|
|||
|
|
return $res;
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* ARC4 functions
|
|||
|
|
* A series of function to implement ARC4 encoding in PHP
|
|||
|
|
*/
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* calculate the 16 byte version of the 128 bit md5 digest of the string
|
|||
|
|
*/
|
|||
|
|
function md5_16($string){
|
|||
|
|
$tmp = md5($string);
|
|||
|
|
$out='';
|
|||
|
|
for ($i=0;$i<=30;$i=$i+2){
|
|||
|
|
$out.=chr(hexdec(substr($tmp,$i,2)));
|
|||
|
|
}
|
|||
|
|
return $out;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* initialize the encryption for processing a particular object
|
|||
|
|
*/
|
|||
|
|
function encryptInit($id){
|
|||
|
|
$tmp = $this->encryptionKey;
|
|||
|
|
$hex = dechex($id);
|
|||
|
|
if (strlen($hex)<6){
|
|||
|
|
$hex = substr('000000',0,6-strlen($hex)).$hex;
|
|||
|
|
}
|
|||
|
|
$tmp.= chr(hexdec(substr($hex,4,2))).chr(hexdec(substr($hex,2,2))).chr(hexdec(substr($hex,0,2))).chr(0).chr(0);
|
|||
|
|
$key = $this->md5_16($tmp);
|
|||
|
|
$this->ARC4_init(substr($key,0,10));
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* initialize the ARC4 encryption
|
|||
|
|
*/
|
|||
|
|
function ARC4_init($key=''){
|
|||
|
|
$this->arc4 = '';
|
|||
|
|
// setup the control array
|
|||
|
|
if (strlen($key)==0){
|
|||
|
|
return;
|
|||
|
|
}
|
|||
|
|
$k = '';
|
|||
|
|
while(strlen($k)<256){
|
|||
|
|
$k.=$key;
|
|||
|
|
}
|
|||
|
|
$k=substr($k,0,256);
|
|||
|
|
for ($i=0;$i<256;$i++){
|
|||
|
|
$this->arc4 .= chr($i);
|
|||
|
|
}
|
|||
|
|
$j=0;
|
|||
|
|
for ($i=0;$i<256;$i++){
|
|||
|
|
$t = $this->arc4[$i];
|
|||
|
|
$j = ($j + ord($t) + ord($k[$i]))%256;
|
|||
|
|
$this->arc4[$i]=$this->arc4[$j];
|
|||
|
|
$this->arc4[$j]=$t;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* ARC4 encrypt a text string
|
|||
|
|
*/
|
|||
|
|
function ARC4($text){
|
|||
|
|
$len=strlen($text);
|
|||
|
|
$a=0;
|
|||
|
|
$b=0;
|
|||
|
|
$c = $this->arc4;
|
|||
|
|
$out='';
|
|||
|
|
for ($i=0;$i<$len;$i++){
|
|||
|
|
$a = ($a+1)%256;
|
|||
|
|
$t= $c[$a];
|
|||
|
|
$b = ($b+ord($t))%256;
|
|||
|
|
$c[$a]=$c[$b];
|
|||
|
|
$c[$b]=$t;
|
|||
|
|
$k = ord($c[(ord($c[$a])+ord($c[$b]))%256]);
|
|||
|
|
$out.=chr(ord($text[$i]) ^ $k);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
return $out;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* functions which can be called to adjust or add to the document
|
|||
|
|
*/
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* add a link in the document to an external URL
|
|||
|
|
*/
|
|||
|
|
function addLink($url,$x0,$y0,$x1,$y1){
|
|||
|
|
$this->numObj++;
|
|||
|
|
$info = array('type'=>'link','url'=>$url,'rect'=>array($x0,$y0,$x1,$y1));
|
|||
|
|
$this->o_annotation($this->numObj,'new',$info);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* add a link in the document to an internal destination (ie. within the document)
|
|||
|
|
*/
|
|||
|
|
function addInternalLink($label,$x0,$y0,$x1,$y1){
|
|||
|
|
$this->numObj++;
|
|||
|
|
$info = array('type'=>'ilink','label'=>$label,'rect'=>array($x0,$y0,$x1,$y1));
|
|||
|
|
$this->o_annotation($this->numObj,'new',$info);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* set the encryption of the document
|
|||
|
|
* can be used to turn it on and/or set the passwords which it will have.
|
|||
|
|
* also the functions that the user will have are set here, such as print, modify, add
|
|||
|
|
*/
|
|||
|
|
function setEncryption($userPass='',$ownerPass='',$pc=array()){
|
|||
|
|
$p=bindec(11000000);
|
|||
|
|
|
|||
|
|
$options = array(
|
|||
|
|
'print'=>4
|
|||
|
|
,'modify'=>8
|
|||
|
|
,'copy'=>16
|
|||
|
|
,'add'=>32
|
|||
|
|
);
|
|||
|
|
foreach($pc as $k=>$v){
|
|||
|
|
if ($v && isset($options[$k])){
|
|||
|
|
$p+=$options[$k];
|
|||
|
|
} else if (isset($options[$v])){
|
|||
|
|
$p+=$options[$v];
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
// implement encryption on the document
|
|||
|
|
if ($this->arc4_objnum == 0){
|
|||
|
|
// then the block does not exist already, add it.
|
|||
|
|
$this->numObj++;
|
|||
|
|
if (strlen($ownerPass)==0){
|
|||
|
|
$ownerPass=$userPass;
|
|||
|
|
}
|
|||
|
|
$this->o_encryption($this->numObj,'new',array('user'=>$userPass,'owner'=>$ownerPass,'p'=>$p));
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* should be used for internal checks, not implemented as yet
|
|||
|
|
*/
|
|||
|
|
function checkAllHere(){
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* return the pdf stream as a string returned from the function
|
|||
|
|
*/
|
|||
|
|
function output($debug=0){
|
|||
|
|
|
|||
|
|
if ($debug){
|
|||
|
|
// turn compression off
|
|||
|
|
$this->options['compression']=0;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if ($this->arc4_objnum){
|
|||
|
|
$this->ARC4_init($this->encryptionKey);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
$this->checkAllHere();
|
|||
|
|
|
|||
|
|
$xref=array();
|
|||
|
|
$content="%PDF-1.3\n%<25><><EFBFBD><EFBFBD>\n";
|
|||
|
|
// $content="%PDF-1.3\n";
|
|||
|
|
$pos=strlen($content);
|
|||
|
|
foreach($this->objects as $k=>$v){
|
|||
|
|
$tmp='o_'.$v['t'];
|
|||
|
|
$cont=$this->$tmp($k,'out');
|
|||
|
|
$content.=$cont;
|
|||
|
|
$xref[]=$pos;
|
|||
|
|
$pos+=strlen($cont);
|
|||
|
|
}
|
|||
|
|
$content.="\nxref\n0 ".(count($xref)+1)."\n0000000000 65535 f \n";
|
|||
|
|
foreach($xref as $p){
|
|||
|
|
$content.=substr('0000000000',0,10-strlen($p)).$p." 00000 n \n";
|
|||
|
|
}
|
|||
|
|
$content.="\ntrailer\n << /Size ".(count($xref)+1)."\n /Root 1 0 R\n /Info ".$this->infoObject." 0 R\n";
|
|||
|
|
// if encryption has been applied to this document then add the marker for this dictionary
|
|||
|
|
if ($this->arc4_objnum > 0){
|
|||
|
|
$content .= "/Encrypt ".$this->arc4_objnum." 0 R\n";
|
|||
|
|
}
|
|||
|
|
if (strlen($this->fileIdentifier)){
|
|||
|
|
$content .= "/ID[<".$this->fileIdentifier."><".$this->fileIdentifier.">]\n";
|
|||
|
|
}
|
|||
|
|
$content .= " >>\nstartxref\n".$pos."\n%%EOF\n";
|
|||
|
|
return $content;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* intialize a new document
|
|||
|
|
* if this is called on an existing document results may be unpredictable, but the existing document would be lost at minimum
|
|||
|
|
* this function is called automatically by the constructor function
|
|||
|
|
*
|
|||
|
|
* @access private
|
|||
|
|
*/
|
|||
|
|
function newDocument($pageSize=array(0,0,612,792)){
|
|||
|
|
$this->numObj=0;
|
|||
|
|
$this->objects = array();
|
|||
|
|
|
|||
|
|
$this->numObj++;
|
|||
|
|
$this->o_catalog($this->numObj,'new');
|
|||
|
|
|
|||
|
|
$this->numObj++;
|
|||
|
|
$this->o_outlines($this->numObj,'new');
|
|||
|
|
|
|||
|
|
$this->numObj++;
|
|||
|
|
$this->o_pages($this->numObj,'new');
|
|||
|
|
|
|||
|
|
$this->o_pages($this->numObj,'mediaBox',$pageSize);
|
|||
|
|
$this->currentNode = 3;
|
|||
|
|
|
|||
|
|
$this->numObj++;
|
|||
|
|
$this->o_procset($this->numObj,'new');
|
|||
|
|
|
|||
|
|
$this->numObj++;
|
|||
|
|
$this->o_info($this->numObj,'new');
|
|||
|
|
|
|||
|
|
$this->numObj++;
|
|||
|
|
$this->o_page($this->numObj,'new');
|
|||
|
|
|
|||
|
|
// need to store the first page id as there is no way to get it to the user during
|
|||
|
|
// startup
|
|||
|
|
$this->firstPageId = $this->currentContents;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* open the font file and return a php structure containing it.
|
|||
|
|
* first check if this one has been done before and saved in a form more suited to php
|
|||
|
|
* note that if a php serialized version does not exist it will try and make one, but will
|
|||
|
|
* require write access to the directory to do it... it is MUCH faster to have these serialized
|
|||
|
|
* files.
|
|||
|
|
*
|
|||
|
|
* @access private
|
|||
|
|
*/
|
|||
|
|
function openFont($font){
|
|||
|
|
// assume that $font contains both the path and perhaps the extension to the file, split them
|
|||
|
|
$pos=strrpos($font,'/');
|
|||
|
|
if ($pos===false){
|
|||
|
|
$dir = './';
|
|||
|
|
$name = $font;
|
|||
|
|
} else {
|
|||
|
|
$dir=substr($font,0,$pos+1);
|
|||
|
|
$name=substr($font,$pos+1);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if (substr($name,-4)=='.afm'){
|
|||
|
|
$name=substr($name,0,strlen($name)-4);
|
|||
|
|
}
|
|||
|
|
$this->addMessage('openFont: '.$font.' - '.$name);
|
|||
|
|
if (file_exists($dir.'php_'.$name.'.afm')){
|
|||
|
|
$this->addMessage('openFont: php file exists '.$dir.'php_'.$name.'.afm');
|
|||
|
|
$tmp = file($dir.'php_'.$name.'.afm');
|
|||
|
|
$this->fonts[$font]=unserialize($tmp[0]);
|
|||
|
|
if (!isset($this->fonts[$font]['_version_']) || $this->fonts[$font]['_version_']<1){
|
|||
|
|
// if the font file is old, then clear it out and prepare for re-creation
|
|||
|
|
$this->addMessage('openFont: clear out, make way for new version.');
|
|||
|
|
unset($this->fonts[$font]);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
if (!isset($this->fonts[$font]) && file_exists($dir.$name.'.afm')){
|
|||
|
|
// then rebuild the php_<font>.afm file from the <font>.afm file
|
|||
|
|
$this->addMessage('openFont: build php file from '.$dir.$name.'.afm');
|
|||
|
|
$data = array();
|
|||
|
|
$file = file($dir.$name.'.afm');
|
|||
|
|
foreach ($file as $rowA){
|
|||
|
|
$row=trim($rowA);
|
|||
|
|
$pos=strpos($row,' ');
|
|||
|
|
if ($pos){
|
|||
|
|
// then there must be some keyword
|
|||
|
|
$key = substr($row,0,$pos);
|
|||
|
|
switch ($key){
|
|||
|
|
case 'FontName':
|
|||
|
|
case 'FullName':
|
|||
|
|
case 'FamilyName':
|
|||
|
|
case 'Weight':
|
|||
|
|
case 'ItalicAngle':
|
|||
|
|
case 'IsFixedPitch':
|
|||
|
|
case 'CharacterSet':
|
|||
|
|
case 'UnderlinePosition':
|
|||
|
|
case 'UnderlineThickness':
|
|||
|
|
case 'Version':
|
|||
|
|
case 'EncodingScheme':
|
|||
|
|
case 'CapHeight':
|
|||
|
|
case 'XHeight':
|
|||
|
|
case 'Ascender':
|
|||
|
|
case 'Descender':
|
|||
|
|
case 'StdHW':
|
|||
|
|
case 'StdVW':
|
|||
|
|
case 'StartCharMetrics':
|
|||
|
|
$data[$key]=trim(substr($row,$pos));
|
|||
|
|
break;
|
|||
|
|
case 'FontBBox':
|
|||
|
|
$data[$key]=explode(' ',trim(substr($row,$pos)));
|
|||
|
|
break;
|
|||
|
|
case 'C':
|
|||
|
|
//C 39 ; WX 222 ; N quoteright ; B 53 463 157 718 ;
|
|||
|
|
$bits=explode(';',trim($row));
|
|||
|
|
$dtmp=array();
|
|||
|
|
foreach($bits as $bit){
|
|||
|
|
$bits2 = explode(' ',trim($bit));
|
|||
|
|
if (strlen($bits2[0])){
|
|||
|
|
if (count($bits2)>2){
|
|||
|
|
$dtmp[$bits2[0]]=array();
|
|||
|
|
for ($i=1;$i<count($bits2);$i++){
|
|||
|
|
$dtmp[$bits2[0]][]=$bits2[$i];
|
|||
|
|
}
|
|||
|
|
} else if (count($bits2)==2){
|
|||
|
|
$dtmp[$bits2[0]]=$bits2[1];
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
if ($dtmp['C']>=0){
|
|||
|
|
$data['C'][$dtmp['C']]=$dtmp;
|
|||
|
|
$data['C'][$dtmp['N']]=$dtmp;
|
|||
|
|
} else {
|
|||
|
|
$data['C'][$dtmp['N']]=$dtmp;
|
|||
|
|
}
|
|||
|
|
break;
|
|||
|
|
case 'KPX':
|
|||
|
|
//KPX Adieresis yacute -40
|
|||
|
|
$bits=explode(' ',trim($row));
|
|||
|
|
$data['KPX'][$bits[1]][$bits[2]]=$bits[3];
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
$data['_version_']=1;
|
|||
|
|
$this->fonts[$font]=$data;
|
|||
|
|
$fp = fopen($dir.'php_'.$name.'.afm','w');
|
|||
|
|
fwrite($fp,serialize($data));
|
|||
|
|
fclose($fp);
|
|||
|
|
} else if (!isset($this->fonts[$font])){
|
|||
|
|
$this->addMessage('openFont: no font file found');
|
|||
|
|
// echo 'Font not Found '.$font;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* if the font is not loaded then load it and make the required object
|
|||
|
|
* else just make it the current font
|
|||
|
|
* the encoding array can contain 'encoding'=> 'none','WinAnsiEncoding','MacRomanEncoding' or 'MacExpertEncoding'
|
|||
|
|
* note that encoding='none' will need to be used for symbolic fonts
|
|||
|
|
* and 'differences' => an array of mappings between numbers 0->255 and character names.
|
|||
|
|
*
|
|||
|
|
*/
|
|||
|
|
function selectFont($fontName,$encoding='',$set=1){
|
|||
|
|
if (!isset($this->fonts[$fontName])){
|
|||
|
|
// load the file
|
|||
|
|
$this->openFont($fontName);
|
|||
|
|
if (isset($this->fonts[$fontName])){
|
|||
|
|
$this->numObj++;
|
|||
|
|
$this->numFonts++;
|
|||
|
|
$pos=strrpos($fontName,'/');
|
|||
|
|
// $dir=substr($fontName,0,$pos+1);
|
|||
|
|
$name=substr($fontName,$pos+1);
|
|||
|
|
if (substr($name,-4)=='.afm'){
|
|||
|
|
$name=substr($name,0,strlen($name)-4);
|
|||
|
|
}
|
|||
|
|
$options=array('name'=>$name);
|
|||
|
|
if (is_array($encoding)){
|
|||
|
|
// then encoding and differences might be set
|
|||
|
|
if (isset($encoding['encoding'])){
|
|||
|
|
$options['encoding']=$encoding['encoding'];
|
|||
|
|
}
|
|||
|
|
if (isset($encoding['differences'])){
|
|||
|
|
$options['differences']=$encoding['differences'];
|
|||
|
|
}
|
|||
|
|
} else if (strlen($encoding)){
|
|||
|
|
// then perhaps only the encoding has been set
|
|||
|
|
$options['encoding']=$encoding;
|
|||
|
|
}
|
|||
|
|
$fontObj = $this->numObj;
|
|||
|
|
$this->o_font($this->numObj,'new',$options);
|
|||
|
|
$this->fonts[$fontName]['fontNum']=$this->numFonts;
|
|||
|
|
// if this is a '.afm' font, and there is a '.pfa' file to go with it ( as there
|
|||
|
|
// should be for all non-basic fonts), then load it into an object and put the
|
|||
|
|
// references into the font object
|
|||
|
|
$basefile = substr($fontName,0,strlen($fontName)-4);
|
|||
|
|
if (file_exists($basefile.'.pfb')){
|
|||
|
|
$fbtype = 'pfb';
|
|||
|
|
} else if (file_exists($basefile.'.ttf')){
|
|||
|
|
$fbtype = 'ttf';
|
|||
|
|
} else {
|
|||
|
|
$fbtype='';
|
|||
|
|
}
|
|||
|
|
$fbfile = $basefile.'.'.$fbtype;
|
|||
|
|
|
|||
|
|
// $pfbfile = substr($fontName,0,strlen($fontName)-4).'.pfb';
|
|||
|
|
// $ttffile = substr($fontName,0,strlen($fontName)-4).'.ttf';
|
|||
|
|
$this->addMessage('selectFont: checking for - '.$fbfile);
|
|||
|
|
if (substr($fontName,-4)=='.afm' && strlen($fbtype) ){
|
|||
|
|
$adobeFontName = $this->fonts[$fontName]['FontName'];
|
|||
|
|
// $fontObj = $this->numObj;
|
|||
|
|
$this->addMessage('selectFont: adding font file - '.$fbfile.' - '.$adobeFontName);
|
|||
|
|
// find the array of fond widths, and put that into an object.
|
|||
|
|
$firstChar = -1;
|
|||
|
|
$lastChar = 0;
|
|||
|
|
$widths = array();
|
|||
|
|
foreach ($this->fonts[$fontName]['C'] as $num=>$d){
|
|||
|
|
if (intval($num)>0 || $num=='0'){
|
|||
|
|
if ($lastChar>0 && $num>$lastChar+1){
|
|||
|
|
for($i=$lastChar+1;$i<$num;$i++){
|
|||
|
|
$widths[] = 0;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
$widths[] = $d['WX'];
|
|||
|
|
if ($firstChar==-1){
|
|||
|
|
$firstChar = $num;
|
|||
|
|
}
|
|||
|
|
$lastChar = $num;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
// also need to adjust the widths for the differences array
|
|||
|
|
if (isset($options['differences'])){
|
|||
|
|
foreach($options['differences'] as $charNum=>$charName){
|
|||
|
|
if ($charNum>$lastChar){
|
|||
|
|
for($i=$lastChar+1;$i<=$charNum;$i++){
|
|||
|
|
$widths[]=0;
|
|||
|
|
}
|
|||
|
|
$lastChar=$charNum;
|
|||
|
|
}
|
|||
|
|
if (isset($this->fonts[$fontName]['C'][$charName])){
|
|||
|
|
$widths[$charNum-$firstChar]=$this->fonts[$fontName]['C'][$charName]['WX'];
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
$this->addMessage('selectFont: FirstChar='.$firstChar);
|
|||
|
|
$this->addMessage('selectFont: LastChar='.$lastChar);
|
|||
|
|
$this->numObj++;
|
|||
|
|
$this->o_contents($this->numObj,'new','raw');
|
|||
|
|
$this->objects[$this->numObj]['c'].='[';
|
|||
|
|
foreach($widths as $width){
|
|||
|
|
$this->objects[$this->numObj]['c'].=' '.$width;
|
|||
|
|
}
|
|||
|
|
$this->objects[$this->numObj]['c'].=' ]';
|
|||
|
|
$widthid = $this->numObj;
|
|||
|
|
|
|||
|
|
// load the pfb file, and put that into an object too.
|
|||
|
|
// note that pdf supports only binary format type 1 font files, though there is a
|
|||
|
|
// simple utility to convert them from pfa to pfb.
|
|||
|
|
$fp = fopen($fbfile,'rb');
|
|||
|
|
$tmp = get_magic_quotes_runtime();
|
|||
|
|
set_magic_quotes_runtime(0);
|
|||
|
|
$data = fread($fp,filesize($fbfile));
|
|||
|
|
set_magic_quotes_runtime($tmp);
|
|||
|
|
fclose($fp);
|
|||
|
|
|
|||
|
|
// create the font descriptor
|
|||
|
|
$this->numObj++;
|
|||
|
|
$fontDescriptorId = $this->numObj;
|
|||
|
|
$this->numObj++;
|
|||
|
|
$pfbid = $this->numObj;
|
|||
|
|
// determine flags (more than a little flakey, hopefully will not matter much)
|
|||
|
|
$flags=0;
|
|||
|
|
if ($this->fonts[$fontName]['ItalicAngle']!=0){ $flags+=pow(2,6); }
|
|||
|
|
if ($this->fonts[$fontName]['IsFixedPitch']=='true'){ $flags+=1; }
|
|||
|
|
$flags+=pow(2,5); // assume non-sybolic
|
|||
|
|
|
|||
|
|
$list = array('Ascent'=>'Ascender','CapHeight'=>'CapHeight','Descent'=>'Descender','FontBBox'=>'FontBBox','ItalicAngle'=>'ItalicAngle');
|
|||
|
|
$fdopt = array(
|
|||
|
|
'Flags'=>$flags
|
|||
|
|
,'FontName'=>$adobeFontName
|
|||
|
|
,'StemV'=>100 // don't know what the value for this should be!
|
|||
|
|
);
|
|||
|
|
foreach($list as $k=>$v){
|
|||
|
|
if (isset($this->fonts[$fontName][$v])){
|
|||
|
|
$fdopt[$k]=$this->fonts[$fontName][$v];
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if ($fbtype=='pfb'){
|
|||
|
|
$fdopt['FontFile']=$pfbid;
|
|||
|
|
} else if ($fbtype=='ttf'){
|
|||
|
|
$fdopt['FontFile2']=$pfbid;
|
|||
|
|
}
|
|||
|
|
$this->o_fontDescriptor($fontDescriptorId,'new',$fdopt);
|
|||
|
|
|
|||
|
|
// embed the font program
|
|||
|
|
$this->o_contents($this->numObj,'new');
|
|||
|
|
$this->objects[$pfbid]['c'].=$data;
|
|||
|
|
// determine the cruicial lengths within this file
|
|||
|
|
if ($fbtype=='pfb'){
|
|||
|
|
$l1 = strpos($data,'eexec')+6;
|
|||
|
|
$l2 = strpos($data,'00000000')-$l1;
|
|||
|
|
$l3 = strlen($data)-$l2-$l1;
|
|||
|
|
$this->o_contents($this->numObj,'add',array('Length1'=>$l1,'Length2'=>$l2,'Length3'=>$l3));
|
|||
|
|
} else if ($fbtype=='ttf'){
|
|||
|
|
$l1 = strlen($data);
|
|||
|
|
$this->o_contents($this->numObj,'add',array('Length1'=>$l1));
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
|
|||
|
|
// tell the font object about all this new stuff
|
|||
|
|
$tmp = array('BaseFont'=>$adobeFontName,'Widths'=>$widthid
|
|||
|
|
,'FirstChar'=>$firstChar,'LastChar'=>$lastChar
|
|||
|
|
,'FontDescriptor'=>$fontDescriptorId);
|
|||
|
|
if ($fbtype=='ttf'){
|
|||
|
|
$tmp['SubType']='TrueType';
|
|||
|
|
}
|
|||
|
|
$this->addMessage('adding extra info to font.('.$fontObj.')');
|
|||
|
|
foreach($tmp as $fk=>$fv){
|
|||
|
|
$this->addMessage($fk." : ".$fv);
|
|||
|
|
}
|
|||
|
|
$this->o_font($fontObj,'add',$tmp);
|
|||
|
|
|
|||
|
|
} else {
|
|||
|
|
$this->addMessage('selectFont: pfb or ttf file not found, ok if this is one of the 14 standard fonts');
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
|
|||
|
|
// also set the differences here, note that this means that these will take effect only the
|
|||
|
|
//first time that a font is selected, else they are ignored
|
|||
|
|
if (isset($options['differences'])){
|
|||
|
|
$this->fonts[$fontName]['differences']=$options['differences'];
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
if ($set && isset($this->fonts[$fontName])){
|
|||
|
|
// so if for some reason the font was not set in the last one then it will not be selected
|
|||
|
|
$this->currentBaseFont=$fontName;
|
|||
|
|
// the next line means that if a new font is selected, then the current text state will be
|
|||
|
|
// applied to it as well.
|
|||
|
|
$this->setCurrentFont();
|
|||
|
|
}
|
|||
|
|
return $this->currentFontNum;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* sets up the current font, based on the font families, and the current text state
|
|||
|
|
* note that this system is quite flexible, a <b><i> font can be completely different to a
|
|||
|
|
* <i><b> font, and even <b><b> will have to be defined within the family to have meaning
|
|||
|
|
* This function is to be called whenever the currentTextState is changed, it will update
|
|||
|
|
* the currentFont setting to whatever the appropriatte family one is.
|
|||
|
|
* If the user calls selectFont themselves then that will reset the currentBaseFont, and the currentFont
|
|||
|
|
* This function will change the currentFont to whatever it should be, but will not change the
|
|||
|
|
* currentBaseFont.
|
|||
|
|
*
|
|||
|
|
* @access private
|
|||
|
|
*/
|
|||
|
|
function setCurrentFont(){
|
|||
|
|
if (strlen($this->currentBaseFont)==0){
|
|||
|
|
// then assume an initial font
|
|||
|
|
$this->selectFont('./fonts/Helvetica.afm');
|
|||
|
|
}
|
|||
|
|
$cf = substr($this->currentBaseFont,strrpos($this->currentBaseFont,'/')+1);
|
|||
|
|
if (strlen($this->currentTextState)
|
|||
|
|
&& isset($this->fontFamilies[$cf])
|
|||
|
|
&& isset($this->fontFamilies[$cf][$this->currentTextState])){
|
|||
|
|
// then we are in some state or another
|
|||
|
|
// and this font has a family, and the current setting exists within it
|
|||
|
|
// select the font, then return it
|
|||
|
|
$nf = substr($this->currentBaseFont,0,strrpos($this->currentBaseFont,'/')+1).$this->fontFamilies[$cf][$this->currentTextState];
|
|||
|
|
$this->selectFont($nf,'',0);
|
|||
|
|
$this->currentFont = $nf;
|
|||
|
|
$this->currentFontNum = $this->fonts[$nf]['fontNum'];
|
|||
|
|
} else {
|
|||
|
|
// the this font must not have the right family member for the current state
|
|||
|
|
// simply assume the base font
|
|||
|
|
$this->currentFont = $this->currentBaseFont;
|
|||
|
|
$this->currentFontNum = $this->fonts[$this->currentFont]['fontNum'];
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* function for the user to find out what the ID is of the first page that was created during
|
|||
|
|
* startup - useful if they wish to add something to it later.
|
|||
|
|
*/
|
|||
|
|
function getFirstPageId(){
|
|||
|
|
return $this->firstPageId;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* add content to the currently active object
|
|||
|
|
*
|
|||
|
|
* @access private
|
|||
|
|
*/
|
|||
|
|
function addContent($content){
|
|||
|
|
$this->objects[$this->currentContents]['c'].=$content;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* sets the colour for fill operations
|
|||
|
|
*/
|
|||
|
|
function setColor($r,$g,$b,$force=0){
|
|||
|
|
if ($r>=0 && ($force || $r!=$this->currentColour['r'] || $g!=$this->currentColour['g'] || $b!=$this->currentColour['b'])){
|
|||
|
|
$this->objects[$this->currentContents]['c'].="\n".sprintf('%.3f',$r).' '.sprintf('%.3f',$g).' '.sprintf('%.3f',$b).' rg';
|
|||
|
|
$this->currentColour=array('r'=>$r,'g'=>$g,'b'=>$b);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* sets the colour for stroke operations
|
|||
|
|
*/
|
|||
|
|
function setStrokeColor($r,$g,$b,$force=0){
|
|||
|
|
if ($r>=0 && ($force || $r!=$this->currentStrokeColour['r'] || $g!=$this->currentStrokeColour['g'] || $b!=$this->currentStrokeColour['b'])){
|
|||
|
|
$this->objects[$this->currentContents]['c'].="\n".sprintf('%.3f',$r).' '.sprintf('%.3f',$g).' '.sprintf('%.3f',$b).' RG';
|
|||
|
|
$this->currentStrokeColour=array('r'=>$r,'g'=>$g,'b'=>$b);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* draw a line from one set of coordinates to another
|
|||
|
|
*/
|
|||
|
|
function line($x1,$y1,$x2,$y2){
|
|||
|
|
$this->objects[$this->currentContents]['c'].="\n".sprintf('%.3f',$x1).' '.sprintf('%.3f',$y1).' m '.sprintf('%.3f',$x2).' '.sprintf('%.3f',$y2).' l S';
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* draw a bezier curve based on 4 control points
|
|||
|
|
*/
|
|||
|
|
function curve($x0,$y0,$x1,$y1,$x2,$y2,$x3,$y3){
|
|||
|
|
// in the current line style, draw a bezier curve from (x0,y0) to (x3,y3) using the other two points
|
|||
|
|
// as the control points for the curve.
|
|||
|
|
$this->objects[$this->currentContents]['c'].="\n".sprintf('%.3f',$x0).' '.sprintf('%.3f',$y0).' m '.sprintf('%.3f',$x1).' '.sprintf('%.3f',$y1);
|
|||
|
|
$this->objects[$this->currentContents]['c'].= ' '.sprintf('%.3f',$x2).' '.sprintf('%.3f',$y2).' '.sprintf('%.3f',$x3).' '.sprintf('%.3f',$y3).' c S';
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* draw a part of an ellipse
|
|||
|
|
*/
|
|||
|
|
function partEllipse($x0,$y0,$astart,$afinish,$r1,$r2=0,$angle=0,$nSeg=8){
|
|||
|
|
$this->ellipse($x0,$y0,$r1,$r2,$angle,$nSeg,$astart,$afinish,0);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* draw a filled ellipse
|
|||
|
|
*/
|
|||
|
|
function filledEllipse($x0,$y0,$r1,$r2=0,$angle=0,$nSeg=8,$astart=0,$afinish=360){
|
|||
|
|
return $this->ellipse($x0,$y0,$r1,$r2=0,$angle,$nSeg,$astart,$afinish,1,1);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* draw an ellipse
|
|||
|
|
* note that the part and filled ellipse are just special cases of this function
|
|||
|
|
*
|
|||
|
|
* draws an ellipse in the current line style
|
|||
|
|
* centered at $x0,$y0, radii $r1,$r2
|
|||
|
|
* if $r2 is not set, then a circle is drawn
|
|||
|
|
* nSeg is not allowed to be less than 2, as this will simply draw a line (and will even draw a
|
|||
|
|
* pretty crappy shape at 2, as we are approximating with bezier curves.
|
|||
|
|
*/
|
|||
|
|
function ellipse($x0,$y0,$r1,$r2=0,$angle=0,$nSeg=8,$astart=0,$afinish=360,$close=1,$fill=0){
|
|||
|
|
if ($r1==0){
|
|||
|
|
return;
|
|||
|
|
}
|
|||
|
|
if ($r2==0){
|
|||
|
|
$r2=$r1;
|
|||
|
|
}
|
|||
|
|
if ($nSeg<2){
|
|||
|
|
$nSeg=2;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
$astart = deg2rad((float)$astart);
|
|||
|
|
$afinish = deg2rad((float)$afinish);
|
|||
|
|
$totalAngle =$afinish-$astart;
|
|||
|
|
|
|||
|
|
$dt = $totalAngle/$nSeg;
|
|||
|
|
$dtm = $dt/3;
|
|||
|
|
|
|||
|
|
if ($angle != 0){
|
|||
|
|
$a = -1*deg2rad((float)$angle);
|
|||
|
|
$tmp = "\n q ";
|
|||
|
|
$tmp .= sprintf('%.3f',cos($a)).' '.sprintf('%.3f',(-1.0*sin($a))).' '.sprintf('%.3f',sin($a)).' '.sprintf('%.3f',cos($a)).' ';
|
|||
|
|
$tmp .= sprintf('%.3f',$x0).' '.sprintf('%.3f',$y0).' cm';
|
|||
|
|
$this->objects[$this->currentContents]['c'].= $tmp;
|
|||
|
|
$x0=0;
|
|||
|
|
$y0=0;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
$t1 = $astart;
|
|||
|
|
$a0 = $x0+$r1*cos($t1);
|
|||
|
|
$b0 = $y0+$r2*sin($t1);
|
|||
|
|
$c0 = -$r1*sin($t1);
|
|||
|
|
$d0 = $r2*cos($t1);
|
|||
|
|
|
|||
|
|
$this->objects[$this->currentContents]['c'].="\n".sprintf('%.3f',$a0).' '.sprintf('%.3f',$b0).' m ';
|
|||
|
|
for ($i=1;$i<=$nSeg;$i++){
|
|||
|
|
// draw this bit of the total curve
|
|||
|
|
$t1 = $i*$dt+$astart;
|
|||
|
|
$a1 = $x0+$r1*cos($t1);
|
|||
|
|
$b1 = $y0+$r2*sin($t1);
|
|||
|
|
$c1 = -$r1*sin($t1);
|
|||
|
|
$d1 = $r2*cos($t1);
|
|||
|
|
$this->objects[$this->currentContents]['c'].="\n".sprintf('%.3f',($a0+$c0*$dtm)).' '.sprintf('%.3f',($b0+$d0*$dtm));
|
|||
|
|
$this->objects[$this->currentContents]['c'].= ' '.sprintf('%.3f',($a1-$c1*$dtm)).' '.sprintf('%.3f',($b1-$d1*$dtm)).' '.sprintf('%.3f',$a1).' '.sprintf('%.3f',$b1).' c';
|
|||
|
|
$a0=$a1;
|
|||
|
|
$b0=$b1;
|
|||
|
|
$c0=$c1;
|
|||
|
|
$d0=$d1;
|
|||
|
|
}
|
|||
|
|
if ($fill){
|
|||
|
|
$this->objects[$this->currentContents]['c'].=' f';
|
|||
|
|
} else {
|
|||
|
|
if ($close){
|
|||
|
|
$this->objects[$this->currentContents]['c'].=' s'; // small 's' signifies closing the path as well
|
|||
|
|
} else {
|
|||
|
|
$this->objects[$this->currentContents]['c'].=' S';
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
if ($angle !=0){
|
|||
|
|
$this->objects[$this->currentContents]['c'].=' Q';
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* this sets the line drawing style.
|
|||
|
|
* width, is the thickness of the line in user units
|
|||
|
|
* cap is the type of cap to put on the line, values can be 'butt','round','square'
|
|||
|
|
* where the diffference between 'square' and 'butt' is that 'square' projects a flat end past the
|
|||
|
|
* end of the line.
|
|||
|
|
* join can be 'miter', 'round', 'bevel'
|
|||
|
|
* dash is an array which sets the dash pattern, is a series of length values, which are the lengths of the
|
|||
|
|
* on and off dashes.
|
|||
|
|
* (2) represents 2 on, 2 off, 2 on , 2 off ...
|
|||
|
|
* (2,1) is 2 on, 1 off, 2 on, 1 off.. etc
|
|||
|
|
* phase is a modifier on the dash pattern which is used to shift the point at which the pattern starts.
|
|||
|
|
*/
|
|||
|
|
function setLineStyle($width=1,$cap='',$join='',$dash='',$phase=0){
|
|||
|
|
|
|||
|
|
// this is quite inefficient in that it sets all the parameters whenever 1 is changed, but will fix another day
|
|||
|
|
$string = '';
|
|||
|
|
if ($width>0){
|
|||
|
|
$string.= $width.' w';
|
|||
|
|
}
|
|||
|
|
$ca = array('butt'=>0,'round'=>1,'square'=>2);
|
|||
|
|
if (isset($ca[$cap])){
|
|||
|
|
$string.= ' '.$ca[$cap].' J';
|
|||
|
|
}
|
|||
|
|
$ja = array('miter'=>0,'round'=>1,'bevel'=>2);
|
|||
|
|
if (isset($ja[$join])){
|
|||
|
|
$string.= ' '.$ja[$join].' j';
|
|||
|
|
}
|
|||
|
|
if (is_array($dash)){
|
|||
|
|
$string.= ' [';
|
|||
|
|
foreach ($dash as $len){
|
|||
|
|
$string.=' '.$len;
|
|||
|
|
}
|
|||
|
|
$string.= ' ] '.$phase.' d';
|
|||
|
|
}
|
|||
|
|
$this->currentLineStyle = $string;
|
|||
|
|
$this->objects[$this->currentContents]['c'].="\n".$string;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* draw a polygon, the syntax for this is similar to the GD polygon command
|
|||
|
|
*/
|
|||
|
|
function polygon($p,$np,$f=0){
|
|||
|
|
$this->objects[$this->currentContents]['c'].="\n";
|
|||
|
|
$this->objects[$this->currentContents]['c'].=sprintf('%.3f',$p[0]).' '.sprintf('%.3f',$p[1]).' m ';
|
|||
|
|
for ($i=2;$i<$np*2;$i=$i+2){
|
|||
|
|
$this->objects[$this->currentContents]['c'].= sprintf('%.3f',$p[$i]).' '.sprintf('%.3f',$p[$i+1]).' l ';
|
|||
|
|
}
|
|||
|
|
if ($f==1){
|
|||
|
|
$this->objects[$this->currentContents]['c'].=' f';
|
|||
|
|
} else {
|
|||
|
|
$this->objects[$this->currentContents]['c'].=' S';
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* a filled rectangle, note that it is the width and height of the rectangle which are the secondary paramaters, not
|
|||
|
|
* the coordinates of the upper-right corner
|
|||
|
|
*/
|
|||
|
|
function filledRectangle($x1,$y1,$width,$height){
|
|||
|
|
$this->objects[$this->currentContents]['c'].="\n".sprintf('%.3f',$x1).' '.sprintf('%.3f',$y1).' '.sprintf('%.3f',$width).' '.sprintf('%.3f',$height).' re f';
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* draw a rectangle, note that it is the width and height of the rectangle which are the secondary paramaters, not
|
|||
|
|
* the coordinates of the upper-right corner
|
|||
|
|
*/
|
|||
|
|
function rectangle($x1,$y1,$width,$height){
|
|||
|
|
$this->objects[$this->currentContents]['c'].="\n".sprintf('%.3f',$x1).' '.sprintf('%.3f',$y1).' '.sprintf('%.3f',$width).' '.sprintf('%.3f',$height).' re S';
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* add a new page to the document
|
|||
|
|
* this also makes the new page the current active object
|
|||
|
|
*/
|
|||
|
|
function newPage($insert=0,$id=0,$pos='after'){
|
|||
|
|
|
|||
|
|
// if there is a state saved, then go up the stack closing them
|
|||
|
|
// then on the new page, re-open them with the right setings
|
|||
|
|
|
|||
|
|
if ($this->nStateStack){
|
|||
|
|
for ($i=$this->nStateStack;$i>=1;$i--){
|
|||
|
|
$this->restoreState($i);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
$this->numObj++;
|
|||
|
|
if ($insert){
|
|||
|
|
// the id from the ezPdf class is the od of the contents of the page, not the page object itself
|
|||
|
|
// query that object to find the parent
|
|||
|
|
$rid = $this->objects[$id]['onPage'];
|
|||
|
|
$opt= array('rid'=>$rid,'pos'=>$pos);
|
|||
|
|
$this->o_page($this->numObj,'new',$opt);
|
|||
|
|
} else {
|
|||
|
|
$this->o_page($this->numObj,'new');
|
|||
|
|
}
|
|||
|
|
// if there is a stack saved, then put that onto the page
|
|||
|
|
if ($this->nStateStack){
|
|||
|
|
for ($i=1;$i<=$this->nStateStack;$i++){
|
|||
|
|
$this->saveState($i);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
// and if there has been a stroke or fill colour set, then transfer them
|
|||
|
|
if ($this->currentColour['r']>=0){
|
|||
|
|
$this->setColor($this->currentColour['r'],$this->currentColour['g'],$this->currentColour['b'],1);
|
|||
|
|
}
|
|||
|
|
if ($this->currentStrokeColour['r']>=0){
|
|||
|
|
$this->setStrokeColor($this->currentStrokeColour['r'],$this->currentStrokeColour['g'],$this->currentStrokeColour['b'],1);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// if there is a line style set, then put this in too
|
|||
|
|
if (strlen($this->currentLineStyle)){
|
|||
|
|
$this->objects[$this->currentContents]['c'].="\n".$this->currentLineStyle;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// the call to the o_page object set currentContents to the present page, so this can be returned as the page id
|
|||
|
|
return $this->currentContents;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* output the pdf code, streaming it to the browser
|
|||
|
|
* the relevant headers are set so that hopefully the browser will recognise it
|
|||
|
|
*/
|
|||
|
|
function stream($options=''){
|
|||
|
|
// setting the options allows the adjustment of the headers
|
|||
|
|
// values at the moment are:
|
|||
|
|
// 'Content-Disposition'=>'filename' - sets the filename, though not too sure how well this will
|
|||
|
|
// work as in my trial the browser seems to use the filename of the php file with .pdf on the end
|
|||
|
|
// 'Accept-Ranges'=>1 or 0 - if this is not set to 1, then this header is not included, off by default
|
|||
|
|
// this header seems to have caused some problems despite tha fact that it is supposed to solve
|
|||
|
|
// them, so I am leaving it off by default.
|
|||
|
|
// 'compress'=> 1 or 0 - apply content stream compression, this is on (1) by default
|
|||
|
|
if (!is_array($options)){
|
|||
|
|
$options=array();
|
|||
|
|
}
|
|||
|
|
if ( isset($options['compress']) && $options['compress']==0){
|
|||
|
|
$tmp = $this->output(1);
|
|||
|
|
} else {
|
|||
|
|
$tmp = $this->output();
|
|||
|
|
}
|
|||
|
|
header("Content-type: application/pdf");
|
|||
|
|
header("Content-Length: ".strlen(ltrim($tmp)));
|
|||
|
|
$fileName = (isset($options['Content-Disposition'])?$options['Content-Disposition']:'file.pdf');
|
|||
|
|
header("Content-Disposition: inline; filename=".$fileName);
|
|||
|
|
if (isset($options['Accept-Ranges']) && $options['Accept-Ranges']==1){
|
|||
|
|
header("Accept-Ranges: ".strlen(ltrim($tmp)));
|
|||
|
|
}
|
|||
|
|
echo ltrim($tmp);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* return the height in units of the current font in the given size
|
|||
|
|
*/
|
|||
|
|
function getFontHeight($size){
|
|||
|
|
if (!$this->numFonts){
|
|||
|
|
$this->selectFont('./fonts/Helvetica');
|
|||
|
|
}
|
|||
|
|
// for the current font, and the given size, what is the height of the font in user units
|
|||
|
|
$h = $this->fonts[$this->currentFont]['FontBBox'][3]-$this->fonts[$this->currentFont]['FontBBox'][1];
|
|||
|
|
return $size*$h/1000;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* return the font decender, this will normally return a negative number
|
|||
|
|
* if you add this number to the baseline, you get the level of the bottom of the font
|
|||
|
|
* it is in the pdf user units
|
|||
|
|
*/
|
|||
|
|
function getFontDecender($size){
|
|||
|
|
// note that this will most likely return a negative value
|
|||
|
|
if (!$this->numFonts){
|
|||
|
|
$this->selectFont('./fonts/Helvetica');
|
|||
|
|
}
|
|||
|
|
$h = $this->fonts[$this->currentFont]['FontBBox'][1];
|
|||
|
|
return $size*$h/1000;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* filter the text, this is applied to all text just before being inserted into the pdf document
|
|||
|
|
* it escapes the various things that need to be escaped, and so on
|
|||
|
|
*
|
|||
|
|
* @access private
|
|||
|
|
*/
|
|||
|
|
function filterText($text){
|
|||
|
|
$text = str_replace('\\','\\\\',$text);
|
|||
|
|
$text = str_replace('(','\(',$text);
|
|||
|
|
$text = str_replace(')','\)',$text);
|
|||
|
|
$text = str_replace('<','<',$text);
|
|||
|
|
$text = str_replace('>','>',$text);
|
|||
|
|
$text = str_replace(''','\'',$text);
|
|||
|
|
$text = str_replace('"','"',$text);
|
|||
|
|
$text = str_replace('&','&',$text);
|
|||
|
|
|
|||
|
|
return $text;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* given a start position and information about how text is to be laid out, calculate where
|
|||
|
|
* on the page the text will end
|
|||
|
|
*
|
|||
|
|
* @access private
|
|||
|
|
*/
|
|||
|
|
function PRVTgetTextPosition($x,$y,$angle,$size,$wa,$text){
|
|||
|
|
// given this information return an array containing x and y for the end position as elements 0 and 1
|
|||
|
|
$w = $this->getTextWidth($size,$text);
|
|||
|
|
// need to adjust for the number of spaces in this text
|
|||
|
|
$words = explode(' ',$text);
|
|||
|
|
$nspaces=count($words)-1;
|
|||
|
|
$w += $wa*$nspaces;
|
|||
|
|
$a = deg2rad((float)$angle);
|
|||
|
|
return array(cos($a)*$w+$x,-sin($a)*$w+$y);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* wrapper function for PRVTcheckTextDirective1
|
|||
|
|
*
|
|||
|
|
* @access private
|
|||
|
|
*/
|
|||
|
|
function PRVTcheckTextDirective(&$text,$i,&$f){
|
|||
|
|
$x=0;
|
|||
|
|
$y=0;
|
|||
|
|
return $this->PRVTcheckTextDirective1($text,$i,$f,0,$x,$y);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* checks if the text stream contains a control directive
|
|||
|
|
* if so then makes some changes and returns the number of characters involved in the directive
|
|||
|
|
* this has been re-worked to include everything neccesary to fins the current writing point, so that
|
|||
|
|
* the location can be sent to the callback function if required
|
|||
|
|
* if the directive does not require a font change, then $f should be set to 0
|
|||
|
|
*
|
|||
|
|
* @access private
|
|||
|
|
*/
|
|||
|
|
function PRVTcheckTextDirective1(&$text,$i,&$f,$final,&$x,&$y,$size=0,$angle=0,$wordSpaceAdjust=0){
|
|||
|
|
$directive = 0;
|
|||
|
|
$j=$i;
|
|||
|
|
if ($text[$j]=='<'){
|
|||
|
|
$j++;
|
|||
|
|
switch($text[$j]){
|
|||
|
|
case '/':
|
|||
|
|
$j++;
|
|||
|
|
if (strlen($text) <= $j){
|
|||
|
|
return $directive;
|
|||
|
|
}
|
|||
|
|
switch($text[$j]){
|
|||
|
|
case 'b':
|
|||
|
|
case 'i':
|
|||
|
|
$j++;
|
|||
|
|
if ($text[$j]=='>'){
|
|||
|
|
$p = strrpos($this->currentTextState,$text[$j-1]);
|
|||
|
|
if ($p !== false){
|
|||
|
|
// then there is one to remove
|
|||
|
|
$this->currentTextState = substr($this->currentTextState,0,$p).substr($this->currentTextState,$p+1);
|
|||
|
|
}
|
|||
|
|
$directive=$j-$i+1;
|
|||
|
|
}
|
|||
|
|
break;
|
|||
|
|
case 'c':
|
|||
|
|
// this this might be a callback function
|
|||
|
|
$j++;
|
|||
|
|
$k = strpos($text,'>',$j);
|
|||
|
|
if ($k!==false && $text[$j]==':'){
|
|||
|
|
// then this will be treated as a callback directive
|
|||
|
|
$directive = $k-$i+1;
|
|||
|
|
$f=0;
|
|||
|
|
// split the remainder on colons to get the function name and the paramater
|
|||
|
|
$tmp = substr($text,$j+1,$k-$j-1);
|
|||
|
|
$b1 = strpos($tmp,':');
|
|||
|
|
if ($b1!==false){
|
|||
|
|
$func = substr($tmp,0,$b1);
|
|||
|
|
$parm = substr($tmp,$b1+1);
|
|||
|
|
} else {
|
|||
|
|
$func=$tmp;
|
|||
|
|
$parm='';
|
|||
|
|
}
|
|||
|
|
if (!isset($func) || !strlen(trim($func))){
|
|||
|
|
$directive=0;
|
|||
|
|
} else {
|
|||
|
|
// only call the function if this is the final call
|
|||
|
|
if ($final){
|
|||
|
|
// need to assess the text position, calculate the text width to this point
|
|||
|
|
// can use getTextWidth to find the text width I think
|
|||
|
|
$tmp = $this->PRVTgetTextPosition($x,$y,$angle,$size,$wordSpaceAdjust,substr($text,0,$i));
|
|||
|
|
$info = array('x'=>$tmp[0],'y'=>$tmp[1],'angle'=>$angle,'status'=>'end','p'=>$parm,'nCallback'=>$this->nCallback);
|
|||
|
|
$x=$tmp[0];
|
|||
|
|
$y=$tmp[1];
|
|||
|
|
$ret = $this->$func($info);
|
|||
|
|
if (is_array($ret)){
|
|||
|
|
// then the return from the callback function could set the position, to start with, later will do font colour, and font
|
|||
|
|
foreach($ret as $rk=>$rv){
|
|||
|
|
switch($rk){
|
|||
|
|
case 'x':
|
|||
|
|
case 'y':
|
|||
|
|
$$rk=$rv;
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
// also remove from to the stack
|
|||
|
|
// for simplicity, just take from the end, fix this another day
|
|||
|
|
$this->nCallback--;
|
|||
|
|
if ($this->nCallback<0){
|
|||
|
|
$this->nCallBack=0;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
break;
|
|||
|
|
case 'b':
|
|||
|
|
case 'i':
|
|||
|
|
$j++;
|
|||
|
|
if ($text[$j]=='>'){
|
|||
|
|
$this->currentTextState.=$text[$j-1];
|
|||
|
|
$directive=$j-$i+1;
|
|||
|
|
}
|
|||
|
|
break;
|
|||
|
|
case 'C':
|
|||
|
|
$noClose=1;
|
|||
|
|
case 'c':
|
|||
|
|
// this this might be a callback function
|
|||
|
|
$j++;
|
|||
|
|
$k = strpos($text,'>',$j);
|
|||
|
|
if ($k!==false && $text[$j]==':'){
|
|||
|
|
// then this will be treated as a callback directive
|
|||
|
|
$directive = $k-$i+1;
|
|||
|
|
$f=0;
|
|||
|
|
// split the remainder on colons to get the function name and the paramater
|
|||
|
|
// $bits = explode(':',substr($text,$j+1,$k-$j-1));
|
|||
|
|
$tmp = substr($text,$j+1,$k-$j-1);
|
|||
|
|
$b1 = strpos($tmp,':');
|
|||
|
|
if ($b1!==false){
|
|||
|
|
$func = substr($tmp,0,$b1);
|
|||
|
|
$parm = substr($tmp,$b1+1);
|
|||
|
|
} else {
|
|||
|
|
$func=$tmp;
|
|||
|
|
$parm='';
|
|||
|
|
}
|
|||
|
|
if (!isset($func) || !strlen(trim($func))){
|
|||
|
|
$directive=0;
|
|||
|
|
} else {
|
|||
|
|
// only call the function if this is the final call, ie, the one actually doing printing, not measurement
|
|||
|
|
if ($final){
|
|||
|
|
// need to assess the text position, calculate the text width to this point
|
|||
|
|
// can use getTextWidth to find the text width I think
|
|||
|
|
// also add the text height and decender
|
|||
|
|
$tmp = $this->PRVTgetTextPosition($x,$y,$angle,$size,$wordSpaceAdjust,substr($text,0,$i));
|
|||
|
|
$info = array('x'=>$tmp[0],'y'=>$tmp[1],'angle'=>$angle,'status'=>'start','p'=>$parm,'f'=>$func,'height'=>$this->getFontHeight($size),'decender'=>$this->getFontDecender($size));
|
|||
|
|
$x=$tmp[0];
|
|||
|
|
$y=$tmp[1];
|
|||
|
|
if (!isset($noClose) || !$noClose){
|
|||
|
|
// only add to the stack if this is a small 'c', therefore is a start-stop pair
|
|||
|
|
$this->nCallback++;
|
|||
|
|
$info['nCallback']=$this->nCallback;
|
|||
|
|
$this->callback[$this->nCallback]=$info;
|
|||
|
|
}
|
|||
|
|
$ret = $this->$func($info);
|
|||
|
|
if (is_array($ret)){
|
|||
|
|
// then the return from the callback function could set the position, to start with, later will do font colour, and font
|
|||
|
|
foreach($ret as $rk=>$rv){
|
|||
|
|
switch($rk){
|
|||
|
|
case 'x':
|
|||
|
|
case 'y':
|
|||
|
|
$$rk=$rv;
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
return $directive;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* add text to the document, at a specified location, size and angle on the page
|
|||
|
|
*/
|
|||
|
|
function addText($x,$y,$size,$text,$angle=0,$wordSpaceAdjust=0){
|
|||
|
|
if (!$this->numFonts){$this->selectFont('./fonts/Helvetica');}
|
|||
|
|
|
|||
|
|
// if there are any open callbacks, then they should be called, to show the start of the line
|
|||
|
|
if ($this->nCallback>0){
|
|||
|
|
for ($i=$this->nCallback;$i>0;$i--){
|
|||
|
|
// call each function
|
|||
|
|
$info = array('x'=>$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']);
|
|||
|
|
$func = $this->callback[$i]['f'];
|
|||
|
|
$this->$func($info);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
if ($angle==0){
|
|||
|
|
$this->objects[$this->currentContents]['c'].="\n".'BT '.sprintf('%.3f',$x).' '.sprintf('%.3f',$y).' Td';
|
|||
|
|
} else {
|
|||
|
|
$a = deg2rad((float)$angle);
|
|||
|
|
$tmp = "\n".'BT ';
|
|||
|
|
$tmp .= sprintf('%.3f',cos($a)).' '.sprintf('%.3f',(-1.0*sin($a))).' '.sprintf('%.3f',sin($a)).' '.sprintf('%.3f',cos($a)).' ';
|
|||
|
|
$tmp .= sprintf('%.3f',$x).' '.sprintf('%.3f',$y).' Tm';
|
|||
|
|
$this->objects[$this->currentContents]['c'] .= $tmp;
|
|||
|
|
}
|
|||
|
|
if ($wordSpaceAdjust!=0 || $wordSpaceAdjust != $this->wordSpaceAdjust){
|
|||
|
|
$this->wordSpaceAdjust=$wordSpaceAdjust;
|
|||
|
|
$this->objects[$this->currentContents]['c'].=' '.sprintf('%.3f',$wordSpaceAdjust).' Tw';
|
|||
|
|
}
|
|||
|
|
$len=strlen($text);
|
|||
|
|
$start=0;
|
|||
|
|
for ($i=0;$i<$len;$i++){
|
|||
|
|
$f=1;
|
|||
|
|
$directive = $this->PRVTcheckTextDirective($text,$i,$f);
|
|||
|
|
if ($directive){
|
|||
|
|
// then we should write what we need to
|
|||
|
|
if ($i>$start){
|
|||
|
|
$part = substr($text,$start,$i-$start);
|
|||
|
|
$this->objects[$this->currentContents]['c'].=' /F'.$this->currentFontNum.' '.sprintf('%.1f',$size).' Tf ';
|
|||
|
|
$this->objects[$this->currentContents]['c'].=' ('.$this->filterText($part).') Tj';
|
|||
|
|
}
|
|||
|
|
if ($f){
|
|||
|
|
// then there was nothing drastic done here, restore the contents
|
|||
|
|
$this->setCurrentFont();
|
|||
|
|
} else {
|
|||
|
|
$this->objects[$this->currentContents]['c'] .= ' ET';
|
|||
|
|
$f=1;
|
|||
|
|
$xp=$x;
|
|||
|
|
$yp=$y;
|
|||
|
|
$directive = $this->PRVTcheckTextDirective1($text,$i,$f,1,$xp,$yp,$size,$angle,$wordSpaceAdjust);
|
|||
|
|
|
|||
|
|
// restart the text object
|
|||
|
|
if ($angle==0){
|
|||
|
|
$this->objects[$this->currentContents]['c'].="\n".'BT '.sprintf('%.3f',$xp).' '.sprintf('%.3f',$yp).' Td';
|
|||
|
|
} else {
|
|||
|
|
$a = deg2rad((float)$angle);
|
|||
|
|
$tmp = "\n".'BT ';
|
|||
|
|
$tmp .= sprintf('%.3f',cos($a)).' '.sprintf('%.3f',(-1.0*sin($a))).' '.sprintf('%.3f',sin($a)).' '.sprintf('%.3f',cos($a)).' ';
|
|||
|
|
$tmp .= sprintf('%.3f',$xp).' '.sprintf('%.3f',$yp).' Tm';
|
|||
|
|
$this->objects[$this->currentContents]['c'] .= $tmp;
|
|||
|
|
}
|
|||
|
|
if ($wordSpaceAdjust!=0 || $wordSpaceAdjust != $this->wordSpaceAdjust){
|
|||
|
|
$this->wordSpaceAdjust=$wordSpaceAdjust;
|
|||
|
|
$this->objects[$this->currentContents]['c'].=' '.sprintf('%.3f',$wordSpaceAdjust).' Tw';
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
// and move the writing point to the next piece of text
|
|||
|
|
$i=$i+$directive-1;
|
|||
|
|
$start=$i+1;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
}
|
|||
|
|
if ($start<$len){
|
|||
|
|
$part = substr($text,$start);
|
|||
|
|
$this->objects[$this->currentContents]['c'].=' /F'.$this->currentFontNum.' '.sprintf('%.1f',$size).' Tf ';
|
|||
|
|
$this->objects[$this->currentContents]['c'].=' ('.$this->filterText($part).') Tj';
|
|||
|
|
}
|
|||
|
|
$this->objects[$this->currentContents]['c'].=' ET';
|
|||
|
|
|
|||
|
|
// if there are any open callbacks, then they should be called, to show the end of the line
|
|||
|
|
if ($this->nCallback>0){
|
|||
|
|
for ($i=$this->nCallback;$i>0;$i--){
|
|||
|
|
// call each function
|
|||
|
|
$tmp = $this->PRVTgetTextPosition($x,$y,$angle,$size,$wordSpaceAdjust,$text);
|
|||
|
|
$info = array('x'=>$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']);
|
|||
|
|
$func = $this->callback[$i]['f'];
|
|||
|
|
$this->$func($info);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* calculate how wide a given text string will be on a page, at a given size.
|
|||
|
|
* this can be called externally, but is alse used by the other class functions
|
|||
|
|
*/
|
|||
|
|
function getTextWidth($size,$text){
|
|||
|
|
// this function should not change any of the settings, though it will need to
|
|||
|
|
// track any directives which change during calculation, so copy them at the start
|
|||
|
|
// and put them back at the end.
|
|||
|
|
$store_currentTextState = $this->currentTextState;
|
|||
|
|
|
|||
|
|
if (!$this->numFonts){
|
|||
|
|
$this->selectFont('./fonts/Helvetica');
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// converts a number or a float to a string so it can get the width
|
|||
|
|
$text = "$text";
|
|||
|
|
|
|||
|
|
// hmm, this is where it all starts to get tricky - use the font information to
|
|||
|
|
// calculate the width of each character, add them up and convert to user units
|
|||
|
|
$w=0;
|
|||
|
|
$len=strlen($text);
|
|||
|
|
$cf = $this->currentFont;
|
|||
|
|
for ($i=0;$i<$len;$i++){
|
|||
|
|
$f=1;
|
|||
|
|
$directive = $this->PRVTcheckTextDirective($text,$i,$f);
|
|||
|
|
if ($directive){
|
|||
|
|
if ($f){
|
|||
|
|
$this->setCurrentFont();
|
|||
|
|
$cf = $this->currentFont;
|
|||
|
|
}
|
|||
|
|
$i=$i+$directive-1;
|
|||
|
|
} else {
|
|||
|
|
$char=ord($text[$i]);
|
|||
|
|
if (isset($this->fonts[$cf]['differences'][$char])){
|
|||
|
|
// then this character is being replaced by another
|
|||
|
|
$name = $this->fonts[$cf]['differences'][$char];
|
|||
|
|
if (isset($this->fonts[$cf]['C'][$name]['WX'])){
|
|||
|
|
$w+=$this->fonts[$cf]['C'][$name]['WX'];
|
|||
|
|
}
|
|||
|
|
} else if (isset($this->fonts[$cf]['C'][$char]['WX'])){
|
|||
|
|
$w+=$this->fonts[$cf]['C'][$char]['WX'];
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
$this->currentTextState = $store_currentTextState;
|
|||
|
|
$this->setCurrentFont();
|
|||
|
|
|
|||
|
|
return $w*$size/1000;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* do a part of the calculation for sorting out the justification of the text
|
|||
|
|
*
|
|||
|
|
* @access private
|
|||
|
|
*/
|
|||
|
|
function PRVTadjustWrapText($text,$actual,$width,&$x,&$adjust,$justification){
|
|||
|
|
switch ($justification){
|
|||
|
|
case 'left':
|
|||
|
|
return;
|
|||
|
|
break;
|
|||
|
|
case 'right':
|
|||
|
|
$x+=$width-$actual;
|
|||
|
|
break;
|
|||
|
|
case 'center':
|
|||
|
|
case 'centre':
|
|||
|
|
$x+=($width-$actual)/2;
|
|||
|
|
break;
|
|||
|
|
case 'full':
|
|||
|
|
// count the number of words
|
|||
|
|
$words = explode(' ',$text);
|
|||
|
|
$nspaces=count($words)-1;
|
|||
|
|
if ($nspaces>0){
|
|||
|
|
$adjust = ($width-$actual)/$nspaces;
|
|||
|
|
} else {
|
|||
|
|
$adjust=0;
|
|||
|
|
}
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* add text to the page, but ensure that it fits within a certain width
|
|||
|
|
* if it does not fit then put in as much as possible, splitting at word boundaries
|
|||
|
|
* and return the remainder.
|
|||
|
|
* justification and angle can also be specified for the text
|
|||
|
|
*/
|
|||
|
|
function addTextWrap($x,$y,$width,$size,$text,$justification='left',$angle=0,$test=0){
|
|||
|
|
// this will display the text, and if it goes beyond the width $width, will backtrack to the
|
|||
|
|
// previous space or hyphen, and return the remainder of the text.
|
|||
|
|
|
|||
|
|
// $justification can be set to 'left','right','center','centre','full'
|
|||
|
|
|
|||
|
|
// need to store the initial text state, as this will change during the width calculation
|
|||
|
|
// but will need to be re-set before printing, so that the chars work out right
|
|||
|
|
$store_currentTextState = $this->currentTextState;
|
|||
|
|
|
|||
|
|
if (!$this->numFonts){$this->selectFont('./fonts/Helvetica');}
|
|||
|
|
if ($width<=0){
|
|||
|
|
// error, pretend it printed ok, otherwise risking a loop
|
|||
|
|
return '';
|
|||
|
|
}
|
|||
|
|
$w=0;
|
|||
|
|
$break=0;
|
|||
|
|
$breakWidth=0;
|
|||
|
|
$len=strlen($text);
|
|||
|
|
$cf = $this->currentFont;
|
|||
|
|
$tw = $width/$size*1000;
|
|||
|
|
for ($i=0;$i<$len;$i++){
|
|||
|
|
$f=1;
|
|||
|
|
$directive = $this->PRVTcheckTextDirective($text,$i,$f);
|
|||
|
|
if ($directive){
|
|||
|
|
if ($f){
|
|||
|
|
$this->setCurrentFont();
|
|||
|
|
$cf = $this->currentFont;
|
|||
|
|
}
|
|||
|
|
$i=$i+$directive-1;
|
|||
|
|
} else {
|
|||
|
|
$cOrd = ord($text[$i]);
|
|||
|
|
if (isset($this->fonts[$cf]['differences'][$cOrd])){
|
|||
|
|
// then this character is being replaced by another
|
|||
|
|
$cOrd2 = $this->fonts[$cf]['differences'][$cOrd];
|
|||
|
|
} else {
|
|||
|
|
$cOrd2 = $cOrd;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if (isset($this->fonts[$cf]['C'][$cOrd2]['WX'])){
|
|||
|
|
$w+=$this->fonts[$cf]['C'][$cOrd2]['WX'];
|
|||
|
|
}
|
|||
|
|
if ($w>$tw){
|
|||
|
|
// then we need to truncate this line
|
|||
|
|
if ($break>0){
|
|||
|
|
// then we have somewhere that we can split :)
|
|||
|
|
if ($text[$break]==' '){
|
|||
|
|
$tmp = substr($text,0,$break);
|
|||
|
|
} else {
|
|||
|
|
$tmp = substr($text,0,$break+1);
|
|||
|
|
}
|
|||
|
|
$adjust=0;
|
|||
|
|
$this->PRVTadjustWrapText($tmp,$breakWidth,$width,$x,$adjust,$justification);
|
|||
|
|
|
|||
|
|
// reset the text state
|
|||
|
|
$this->currentTextState = $store_currentTextState;
|
|||
|
|
$this->setCurrentFont();
|
|||
|
|
if (!$test){
|
|||
|
|
$this->addText($x,$y,$size,$tmp,$angle,$adjust);
|
|||
|
|
}
|
|||
|
|
return substr($text,$break+1);
|
|||
|
|
} else {
|
|||
|
|
// just split before the current character
|
|||
|
|
$tmp = substr($text,0,$i);
|
|||
|
|
$adjust=0;
|
|||
|
|
$ctmp=ord($text[$i]);
|
|||
|
|
if (isset($this->fonts[$cf]['differences'][$ctmp])){
|
|||
|
|
$ctmp=$this->fonts[$cf]['differences'][$ctmp];
|
|||
|
|
}
|
|||
|
|
$tmpw=($w-$this->fonts[$cf]['C'][$ctmp]['WX'])*$size/1000;
|
|||
|
|
$this->PRVTadjustWrapText($tmp,$tmpw,$width,$x,$adjust,$justification);
|
|||
|
|
// reset the text state
|
|||
|
|
$this->currentTextState = $store_currentTextState;
|
|||
|
|
$this->setCurrentFont();
|
|||
|
|
if (!$test){
|
|||
|
|
$this->addText($x,$y,$size,$tmp,$angle,$adjust);
|
|||
|
|
}
|
|||
|
|
return substr($text,$i);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
if ($text[$i]=='-'){
|
|||
|
|
$break=$i;
|
|||
|
|
$breakWidth = $w*$size/1000;
|
|||
|
|
}
|
|||
|
|
if ($text[$i]==' '){
|
|||
|
|
$break=$i;
|
|||
|
|
$ctmp=ord($text[$i]);
|
|||
|
|
if (isset($this->fonts[$cf]['differences'][$ctmp])){
|
|||
|
|
$ctmp=$this->fonts[$cf]['differences'][$ctmp];
|
|||
|
|
}
|
|||
|
|
$breakWidth = ($w-$this->fonts[$cf]['C'][$ctmp]['WX'])*$size/1000;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
// then there was no need to break this line
|
|||
|
|
if ($justification=='full'){
|
|||
|
|
$justification='left';
|
|||
|
|
}
|
|||
|
|
$adjust=0;
|
|||
|
|
$tmpw=$w*$size/1000;
|
|||
|
|
$this->PRVTadjustWrapText($text,$tmpw,$width,$x,$adjust,$justification);
|
|||
|
|
// reset the text state
|
|||
|
|
$this->currentTextState = $store_currentTextState;
|
|||
|
|
$this->setCurrentFont();
|
|||
|
|
if (!$test){
|
|||
|
|
$this->addText($x,$y,$size,$text,$angle,$adjust,$angle);
|
|||
|
|
}
|
|||
|
|
return '';
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* this will be called at a new page to return the state to what it was on the
|
|||
|
|
* end of the previous page, before the stack was closed down
|
|||
|
|
* This is to get around not being able to have open 'q' across pages
|
|||
|
|
*
|
|||
|
|
*/
|
|||
|
|
function saveState($pageEnd=0){
|
|||
|
|
if ($pageEnd){
|
|||
|
|
// this will be called at a new page to return the state to what it was on the
|
|||
|
|
// end of the previous page, before the stack was closed down
|
|||
|
|
// This is to get around not being able to have open 'q' across pages
|
|||
|
|
$opt = $this->stateStack[$pageEnd]; // ok to use this as stack starts numbering at 1
|
|||
|
|
$this->setColor($opt['col']['r'],$opt['col']['g'],$opt['col']['b'],1);
|
|||
|
|
$this->setStrokeColor($opt['str']['r'],$opt['str']['g'],$opt['str']['b'],1);
|
|||
|
|
$this->objects[$this->currentContents]['c'].="\n".$opt['lin'];
|
|||
|
|
// $this->currentLineStyle = $opt['lin'];
|
|||
|
|
} else {
|
|||
|
|
$this->nStateStack++;
|
|||
|
|
$this->stateStack[$this->nStateStack]=array(
|
|||
|
|
'col'=>$this->currentColour
|
|||
|
|
,'str'=>$this->currentStrokeColour
|
|||
|
|
,'lin'=>$this->currentLineStyle
|
|||
|
|
);
|
|||
|
|
}
|
|||
|
|
$this->objects[$this->currentContents]['c'].="\nq";
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* restore a previously saved state
|
|||
|
|
*/
|
|||
|
|
function restoreState($pageEnd=0){
|
|||
|
|
if (!$pageEnd){
|
|||
|
|
$n = $this->nStateStack;
|
|||
|
|
$this->currentColour = $this->stateStack[$n]['col'];
|
|||
|
|
$this->currentStrokeColour = $this->stateStack[$n]['str'];
|
|||
|
|
$this->objects[$this->currentContents]['c'].="\n".$this->stateStack[$n]['lin'];
|
|||
|
|
$this->currentLineStyle = $this->stateStack[$n]['lin'];
|
|||
|
|
unset($this->stateStack[$n]);
|
|||
|
|
$this->nStateStack--;
|
|||
|
|
}
|
|||
|
|
$this->objects[$this->currentContents]['c'].="\nQ";
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* make a loose object, the output will go into this object, until it is closed, then will revert to
|
|||
|
|
* the current one.
|
|||
|
|
* this object will not appear until it is included within a page.
|
|||
|
|
* the function will return the object number
|
|||
|
|
*/
|
|||
|
|
function openObject(){
|
|||
|
|
$this->nStack++;
|
|||
|
|
$this->stack[$this->nStack]=array('c'=>$this->currentContents,'p'=>$this->currentPage);
|
|||
|
|
// add a new object of the content type, to hold the data flow
|
|||
|
|
$this->numObj++;
|
|||
|
|
$this->o_contents($this->numObj,'new');
|
|||
|
|
$this->currentContents=$this->numObj;
|
|||
|
|
$this->looseObjects[$this->numObj]=1;
|
|||
|
|
|
|||
|
|
return $this->numObj;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* open an existing object for editing
|
|||
|
|
*/
|
|||
|
|
function reopenObject($id){
|
|||
|
|
$this->nStack++;
|
|||
|
|
$this->stack[$this->nStack]=array('c'=>$this->currentContents,'p'=>$this->currentPage);
|
|||
|
|
$this->currentContents=$id;
|
|||
|
|
// also if this object is the primary contents for a page, then set the current page to its parent
|
|||
|
|
if (isset($this->objects[$id]['onPage'])){
|
|||
|
|
$this->currentPage = $this->objects[$id]['onPage'];
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* close an object
|
|||
|
|
*/
|
|||
|
|
function closeObject(){
|
|||
|
|
// close the object, as long as there was one open in the first place, which will be indicated by
|
|||
|
|
// an objectId on the stack.
|
|||
|
|
if ($this->nStack>0){
|
|||
|
|
$this->currentContents=$this->stack[$this->nStack]['c'];
|
|||
|
|
$this->currentPage=$this->stack[$this->nStack]['p'];
|
|||
|
|
$this->nStack--;
|
|||
|
|
// easier to probably not worry about removing the old entries, they will be overwritten
|
|||
|
|
// if there are new ones.
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* stop an object from appearing on pages from this point on
|
|||
|
|
*/
|
|||
|
|
function stopObject($id){
|
|||
|
|
// if an object has been appearing on pages up to now, then stop it, this page will
|
|||
|
|
// be the last one that could contian it.
|
|||
|
|
if (isset($this->addLooseObjects[$id])){
|
|||
|
|
$this->addLooseObjects[$id]='';
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* after an object has been created, it wil only show if it has been added, using this function.
|
|||
|
|
*/
|
|||
|
|
function addObject($id,$options='add'){
|
|||
|
|
// add the specified object to the page
|
|||
|
|
if (isset($this->looseObjects[$id]) && $this->currentContents!=$id){
|
|||
|
|
// then it is a valid object, and it is not being added to itself
|
|||
|
|
switch($options){
|
|||
|
|
case 'all':
|
|||
|
|
// then this object is to be added to this page (done in the next block) and
|
|||
|
|
// all future new pages.
|
|||
|
|
$this->addLooseObjects[$id]='all';
|
|||
|
|
case 'add':
|
|||
|
|
if (isset($this->objects[$this->currentContents]['onPage'])){
|
|||
|
|
// then the destination contents is the primary for the page
|
|||
|
|
// (though this object is actually added to that page)
|
|||
|
|
$this->o_page($this->objects[$this->currentContents]['onPage'],'content',$id);
|
|||
|
|
}
|
|||
|
|
break;
|
|||
|
|
case 'even':
|
|||
|
|
$this->addLooseObjects[$id]='even';
|
|||
|
|
$pageObjectId=$this->objects[$this->currentContents]['onPage'];
|
|||
|
|
if ($this->objects[$pageObjectId]['info']['pageNum']%2==0){
|
|||
|
|
$this->addObject($id); // hacky huh :)
|
|||
|
|
}
|
|||
|
|
break;
|
|||
|
|
case 'odd':
|
|||
|
|
$this->addLooseObjects[$id]='odd';
|
|||
|
|
$pageObjectId=$this->objects[$this->currentContents]['onPage'];
|
|||
|
|
if ($this->objects[$pageObjectId]['info']['pageNum']%2==1){
|
|||
|
|
$this->addObject($id); // hacky huh :)
|
|||
|
|
}
|
|||
|
|
break;
|
|||
|
|
case 'next':
|
|||
|
|
$this->addLooseObjects[$id]='all';
|
|||
|
|
break;
|
|||
|
|
case 'nexteven':
|
|||
|
|
$this->addLooseObjects[$id]='even';
|
|||
|
|
break;
|
|||
|
|
case 'nextodd':
|
|||
|
|
$this->addLooseObjects[$id]='odd';
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* add content to the documents info object
|
|||
|
|
*/
|
|||
|
|
function addInfo($label,$value=0){
|
|||
|
|
// this will only work if the label is one of the valid ones.
|
|||
|
|
// modify this so that arrays can be passed as well.
|
|||
|
|
// if $label is an array then assume that it is key=>value pairs
|
|||
|
|
// else assume that they are both scalar, anything else will probably error
|
|||
|
|
if (is_array($label)){
|
|||
|
|
foreach ($label as $l=>$v){
|
|||
|
|
$this->o_info($this->infoObject,$l,$v);
|
|||
|
|
}
|
|||
|
|
} else {
|
|||
|
|
$this->o_info($this->infoObject,$label,$value);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* set the viewer preferences of the document, it is up to the browser to obey these.
|
|||
|
|
*/
|
|||
|
|
function setPreferences($label,$value=0){
|
|||
|
|
// this will only work if the label is one of the valid ones.
|
|||
|
|
if (is_array($label)){
|
|||
|
|
foreach ($label as $l=>$v){
|
|||
|
|
$this->o_catalog($this->catalogId,'viewerPreferences',array($l=>$v));
|
|||
|
|
}
|
|||
|
|
} else {
|
|||
|
|
$this->o_catalog($this->catalogId,'viewerPreferences',array($label=>$value));
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* extract an integer from a position in a byte stream
|
|||
|
|
*
|
|||
|
|
* @access private
|
|||
|
|
*/
|
|||
|
|
function PRVT_getBytes(&$data,$pos,$num){
|
|||
|
|
// return the integer represented by $num bytes from $pos within $data
|
|||
|
|
$ret=0;
|
|||
|
|
for ($i=0;$i<$num;$i++){
|
|||
|
|
$ret=$ret*256;
|
|||
|
|
$ret+=ord($data[$pos+$i]);
|
|||
|
|
}
|
|||
|
|
return $ret;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* add a PNG image into the document, from a file
|
|||
|
|
* this should work with remote files
|
|||
|
|
*/
|
|||
|
|
function addPngFromFile($file,$x,$y,$w=0,$h=0){
|
|||
|
|
// read in a png file, interpret it, then add to the system
|
|||
|
|
$error=0;
|
|||
|
|
$tmp = get_magic_quotes_runtime();
|
|||
|
|
set_magic_quotes_runtime(0);
|
|||
|
|
$fp = @fopen($file,'rb');
|
|||
|
|
if ($fp){
|
|||
|
|
$data='';
|
|||
|
|
while(!feof($fp)){
|
|||
|
|
$data .= fread($fp,1024);
|
|||
|
|
}
|
|||
|
|
fclose($fp);
|
|||
|
|
} else {
|
|||
|
|
$error = 1;
|
|||
|
|
$errormsg = 'trouble opening file: '.$file;
|
|||
|
|
}
|
|||
|
|
set_magic_quotes_runtime($tmp);
|
|||
|
|
|
|||
|
|
if (!$error){
|
|||
|
|
$header = chr(137).chr(80).chr(78).chr(71).chr(13).chr(10).chr(26).chr(10);
|
|||
|
|
if (substr($data,0,8)!=$header){
|
|||
|
|
$error=1;
|
|||
|
|
$errormsg = 'this file does not have a valid header';
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if (!$error){
|
|||
|
|
// set pointer
|
|||
|
|
$p = 8;
|
|||
|
|
$len = strlen($data);
|
|||
|
|
// cycle through the file, identifying chunks
|
|||
|
|
$haveHeader=0;
|
|||
|
|
$info=array();
|
|||
|
|
$idata='';
|
|||
|
|
$pdata='';
|
|||
|
|
while ($p<$len){
|
|||
|
|
$chunkLen = $this->PRVT_getBytes($data,$p,4);
|
|||
|
|
$chunkType = substr($data,$p+4,4);
|
|||
|
|
// echo $chunkType.' - '.$chunkLen.'<br>';
|
|||
|
|
|
|||
|
|
switch($chunkType){
|
|||
|
|
case 'IHDR':
|
|||
|
|
// this is where all the file information comes from
|
|||
|
|
$info['width']=$this->PRVT_getBytes($data,$p+8,4);
|
|||
|
|
$info['height']=$this->PRVT_getBytes($data,$p+12,4);
|
|||
|
|
$info['bitDepth']=ord($data[$p+16]);
|
|||
|
|
$info['colorType']=ord($data[$p+17]);
|
|||
|
|
$info['compressionMethod']=ord($data[$p+18]);
|
|||
|
|
$info['filterMethod']=ord($data[$p+19]);
|
|||
|
|
$info['interlaceMethod']=ord($data[$p+20]);
|
|||
|
|
//print_r($info);
|
|||
|
|
$haveHeader=1;
|
|||
|
|
if ($info['compressionMethod']!=0){
|
|||
|
|
$error=1;
|
|||
|
|
$errormsg = 'unsupported compression method';
|
|||
|
|
}
|
|||
|
|
if ($info['filterMethod']!=0){
|
|||
|
|
$error=1;
|
|||
|
|
$errormsg = 'unsupported filter method';
|
|||
|
|
}
|
|||
|
|
break;
|
|||
|
|
case 'PLTE':
|
|||
|
|
$pdata.=substr($data,$p+8,$chunkLen);
|
|||
|
|
break;
|
|||
|
|
case 'IDAT':
|
|||
|
|
$idata.=substr($data,$p+8,$chunkLen);
|
|||
|
|
break;
|
|||
|
|
case 'tRNS':
|
|||
|
|
//this chunk can only occur once and it must occur after the PLTE chunk and before IDAT chunk
|
|||
|
|
//print "tRNS found, color type = ".$info['colorType']."<BR>";
|
|||
|
|
$transparency = array();
|
|||
|
|
if ($info['colorType'] == 3) { // indexed color, rbg
|
|||
|
|
/* corresponding to entries in the plte chunk
|
|||
|
|
Alpha for palette index 0: 1 byte
|
|||
|
|
Alpha for palette index 1: 1 byte
|
|||
|
|
...etc...
|
|||
|
|
*/
|
|||
|
|
// there will be one entry for each palette entry. up until the last non-opaque entry.
|
|||
|
|
// set up an array, stretching over all palette entries which will be o (opaque) or 1 (transparent)
|
|||
|
|
$transparency['type']='indexed';
|
|||
|
|
$numPalette = strlen($pdata)/3;
|
|||
|
|
$trans=0;
|
|||
|
|
for ($i=$chunkLen;$i>=0;$i--){
|
|||
|
|
if (ord($data[$p+8+$i])==0){
|
|||
|
|
$trans=$i;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
$transparency['data'] = $trans;
|
|||
|
|
|
|||
|
|
} elseif($info['colorType'] == 0) { // grayscale
|
|||
|
|
/* corresponding to entries in the plte chunk
|
|||
|
|
Gray: 2 bytes, range 0 .. (2^bitdepth)-1
|
|||
|
|
*/
|
|||
|
|
// $transparency['grayscale']=$this->PRVT_getBytes($data,$p+8,2); // g = grayscale
|
|||
|
|
$transparency['type']='indexed';
|
|||
|
|
$transparency['data'] = ord($data[$p+8+1]);
|
|||
|
|
|
|||
|
|
} elseif($info['colorType'] == 2) { // truecolor
|
|||
|
|
/* corresponding to entries in the plte chunk
|
|||
|
|
Red: 2 bytes, range 0 .. (2^bitdepth)-1
|
|||
|
|
Green: 2 bytes, range 0 .. (2^bitdepth)-1
|
|||
|
|
Blue: 2 bytes, range 0 .. (2^bitdepth)-1
|
|||
|
|
*/
|
|||
|
|
$transparency['r']=$this->PRVT_getBytes($data,$p+8,2); // r from truecolor
|
|||
|
|
$transparency['g']=$this->PRVT_getBytes($data,$p+10,2); // g from truecolor
|
|||
|
|
$transparency['b']=$this->PRVT_getBytes($data,$p+12,2); // b from truecolor
|
|||
|
|
|
|||
|
|
} else {
|
|||
|
|
//unsupported transparency type
|
|||
|
|
}
|
|||
|
|
// KS End new code
|
|||
|
|
break;
|
|||
|
|
default:
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
$p += $chunkLen+12;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if(!$haveHeader){
|
|||
|
|
$error = 1;
|
|||
|
|
$errormsg = 'information header is missing';
|
|||
|
|
}
|
|||
|
|
if (isset($info['interlaceMethod']) && $info['interlaceMethod']){
|
|||
|
|
$error = 1;
|
|||
|
|
$errormsg = 'There appears to be no support for interlaced images in pdf.';
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if (!$error && $info['bitDepth'] > 8){
|
|||
|
|
$error = 1;
|
|||
|
|
$errormsg = 'only bit depth of 8 or less is supported';
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if (!$error){
|
|||
|
|
if ($info['colorType']!=2 && $info['colorType']!=0 && $info['colorType']!=3){
|
|||
|
|
$error = 1;
|
|||
|
|
$errormsg = 'transparancey alpha channel not supported, transparency only supported for palette images.';
|
|||
|
|
} else {
|
|||
|
|
switch ($info['colorType']){
|
|||
|
|
case 3:
|
|||
|
|
$color = 'DeviceRGB';
|
|||
|
|
$ncolor=1;
|
|||
|
|
break;
|
|||
|
|
case 2:
|
|||
|
|
$color = 'DeviceRGB';
|
|||
|
|
$ncolor=3;
|
|||
|
|
break;
|
|||
|
|
case 0:
|
|||
|
|
$color = 'DeviceGray';
|
|||
|
|
$ncolor=1;
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
if ($error){
|
|||
|
|
$this->addMessage('PNG error - ('.$file.') '.$errormsg);
|
|||
|
|
return;
|
|||
|
|
}
|
|||
|
|
if ($w==0){
|
|||
|
|
$w=$h/$info['height']*$info['width'];
|
|||
|
|
}
|
|||
|
|
if ($h==0){
|
|||
|
|
$h=$w*$info['height']/$info['width'];
|
|||
|
|
}
|
|||
|
|
//print_r($info);
|
|||
|
|
// so this image is ok... add it in.
|
|||
|
|
$this->numImages++;
|
|||
|
|
$im=$this->numImages;
|
|||
|
|
$label='I'.$im;
|
|||
|
|
$this->numObj++;
|
|||
|
|
// $this->o_image($this->numObj,'new',array('label'=>$label,'data'=>$idata,'iw'=>$w,'ih'=>$h,'type'=>'png','ic'=>$info['width']));
|
|||
|
|
$options = array('label'=>$label,'data'=>$idata,'bitsPerComponent'=>$info['bitDepth'],'pdata'=>$pdata
|
|||
|
|
,'iw'=>$info['width'],'ih'=>$info['height'],'type'=>'png','color'=>$color,'ncolor'=>$ncolor);
|
|||
|
|
if (isset($transparency)){
|
|||
|
|
$options['transparency']=$transparency;
|
|||
|
|
}
|
|||
|
|
$this->o_image($this->numObj,'new',$options);
|
|||
|
|
|
|||
|
|
$this->objects[$this->currentContents]['c'].="\nq";
|
|||
|
|
$this->objects[$this->currentContents]['c'].="\n".sprintf('%.3f',$w)." 0 0 ".sprintf('%.3f',$h)." ".sprintf('%.3f',$x)." ".sprintf('%.3f',$y)." cm";
|
|||
|
|
$this->objects[$this->currentContents]['c'].="\n/".$label.' Do';
|
|||
|
|
$this->objects[$this->currentContents]['c'].="\nQ";
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* add a JPEG image into the document, from a file
|
|||
|
|
*/
|
|||
|
|
function addJpegFromFile($img,$x,$y,$w=0,$h=0){
|
|||
|
|
// attempt to add a jpeg image straight from a file, using no GD commands
|
|||
|
|
// note that this function is unable to operate on a remote file.
|
|||
|
|
|
|||
|
|
if (!file_exists($img)){
|
|||
|
|
return;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
$tmp=getimagesize($img);
|
|||
|
|
$imageWidth=$tmp[0];
|
|||
|
|
$imageHeight=$tmp[1];
|
|||
|
|
|
|||
|
|
if (isset($tmp['channels'])){
|
|||
|
|
$channels = $tmp['channels'];
|
|||
|
|
} else {
|
|||
|
|
$channels = 3;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if ($w<=0 && $h<=0){
|
|||
|
|
$w=$imageWidth;
|
|||
|
|
}
|
|||
|
|
if ($w==0){
|
|||
|
|
$w=$h/$imageHeight*$imageWidth;
|
|||
|
|
}
|
|||
|
|
if ($h==0){
|
|||
|
|
$h=$w*$imageHeight/$imageWidth;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
$fp=fopen($img,'rb');
|
|||
|
|
|
|||
|
|
$tmp = get_magic_quotes_runtime();
|
|||
|
|
set_magic_quotes_runtime(0);
|
|||
|
|
$data = fread($fp,filesize($img));
|
|||
|
|
set_magic_quotes_runtime($tmp);
|
|||
|
|
|
|||
|
|
fclose($fp);
|
|||
|
|
|
|||
|
|
$this->addJpegImage_common($data,$x,$y,$w,$h,$imageWidth,$imageHeight,$channels);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* add an image into the document, from a GD object
|
|||
|
|
* this function is not all that reliable, and I would probably encourage people to use
|
|||
|
|
* the file based functions
|
|||
|
|
*/
|
|||
|
|
function addImage(&$img,$x,$y,$w=0,$h=0,$quality=75){
|
|||
|
|
// add a new image into the current location, as an external object
|
|||
|
|
// add the image at $x,$y, and with width and height as defined by $w & $h
|
|||
|
|
|
|||
|
|
// note that this will only work with full colour images and makes them jpg images for display
|
|||
|
|
// later versions could present lossless image formats if there is interest.
|
|||
|
|
|
|||
|
|
// there seems to be some problem here in that images that have quality set above 75 do not appear
|
|||
|
|
// not too sure why this is, but in the meantime I have restricted this to 75.
|
|||
|
|
if ($quality>75){
|
|||
|
|
$quality=75;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// if the width or height are set to zero, then set the other one based on keeping the image
|
|||
|
|
// height/width ratio the same, if they are both zero, then give up :)
|
|||
|
|
$imageWidth=imagesx($img);
|
|||
|
|
$imageHeight=imagesy($img);
|
|||
|
|
|
|||
|
|
if ($w<=0 && $h<=0){
|
|||
|
|
return;
|
|||
|
|
}
|
|||
|
|
if ($w==0){
|
|||
|
|
$w=$h/$imageHeight*$imageWidth;
|
|||
|
|
}
|
|||
|
|
if ($h==0){
|
|||
|
|
$h=$w*$imageHeight/$imageWidth;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// gotta get the data out of the img..
|
|||
|
|
|
|||
|
|
// so I write to a temp file, and then read it back.. soo ugly, my apologies.
|
|||
|
|
$tmpDir='/tmp';
|
|||
|
|
$tmpName=tempnam($tmpDir,'img');
|
|||
|
|
imagejpeg($img,$tmpName,$quality);
|
|||
|
|
$fp=fopen($tmpName,'rb');
|
|||
|
|
|
|||
|
|
$tmp = get_magic_quotes_runtime();
|
|||
|
|
set_magic_quotes_runtime(0);
|
|||
|
|
$fp = @fopen($tmpName,'rb');
|
|||
|
|
if ($fp){
|
|||
|
|
$data='';
|
|||
|
|
while(!feof($fp)){
|
|||
|
|
$data .= fread($fp,1024);
|
|||
|
|
}
|
|||
|
|
fclose($fp);
|
|||
|
|
} else {
|
|||
|
|
$error = 1;
|
|||
|
|
$errormsg = 'trouble opening file';
|
|||
|
|
}
|
|||
|
|
// $data = fread($fp,filesize($tmpName));
|
|||
|
|
set_magic_quotes_runtime($tmp);
|
|||
|
|
// fclose($fp);
|
|||
|
|
unlink($tmpName);
|
|||
|
|
$this->addJpegImage_common($data,$x,$y,$w,$h,$imageWidth,$imageHeight);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* common code used by the two JPEG adding functions
|
|||
|
|
*
|
|||
|
|
* @access private
|
|||
|
|
*/
|
|||
|
|
function addJpegImage_common(&$data,$x,$y,$w=0,$h=0,$imageWidth,$imageHeight,$channels=3){
|
|||
|
|
// note that this function is not to be called externally
|
|||
|
|
// it is just the common code between the GD and the file options
|
|||
|
|
$this->numImages++;
|
|||
|
|
$im=$this->numImages;
|
|||
|
|
$label='I'.$im;
|
|||
|
|
$this->numObj++;
|
|||
|
|
$this->o_image($this->numObj,'new',array('label'=>$label,'data'=>$data,'iw'=>$imageWidth,'ih'=>$imageHeight,'channels'=>$channels));
|
|||
|
|
|
|||
|
|
$this->objects[$this->currentContents]['c'].="\nq";
|
|||
|
|
$this->objects[$this->currentContents]['c'].="\n".sprintf('%.3f',$w)." 0 0 ".sprintf('%.3f',$h)." ".sprintf('%.3f',$x)." ".sprintf('%.3f',$y)." cm";
|
|||
|
|
$this->objects[$this->currentContents]['c'].="\n/".$label.' Do';
|
|||
|
|
$this->objects[$this->currentContents]['c'].="\nQ";
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* specify where the document should open when it first starts
|
|||
|
|
*/
|
|||
|
|
function openHere($style,$a=0,$b=0,$c=0){
|
|||
|
|
// this function will open the document at a specified page, in a specified style
|
|||
|
|
// the values for style, and the required paramters are:
|
|||
|
|
// 'XYZ' left, top, zoom
|
|||
|
|
// 'Fit'
|
|||
|
|
// 'FitH' top
|
|||
|
|
// 'FitV' left
|
|||
|
|
// 'FitR' left,bottom,right
|
|||
|
|
// 'FitB'
|
|||
|
|
// 'FitBH' top
|
|||
|
|
// 'FitBV' left
|
|||
|
|
$this->numObj++;
|
|||
|
|
$this->o_destination($this->numObj,'new',array('page'=>$this->currentPage,'type'=>$style,'p1'=>$a,'p2'=>$b,'p3'=>$c));
|
|||
|
|
$id = $this->catalogId;
|
|||
|
|
$this->o_catalog($id,'openHere',$this->numObj);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* create a labelled destination within the document
|
|||
|
|
*/
|
|||
|
|
function addDestination($label,$style,$a=0,$b=0,$c=0){
|
|||
|
|
// associates the given label with the destination, it is done this way so that a destination can be specified after
|
|||
|
|
// it has been linked to
|
|||
|
|
// styles are the same as the 'openHere' function
|
|||
|
|
$this->numObj++;
|
|||
|
|
$this->o_destination($this->numObj,'new',array('page'=>$this->currentPage,'type'=>$style,'p1'=>$a,'p2'=>$b,'p3'=>$c));
|
|||
|
|
$id = $this->numObj;
|
|||
|
|
// store the label->idf relationship, note that this means that labels can be used only once
|
|||
|
|
$this->destinations["$label"]=$id;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* define font families, this is used to initialize the font families for the default fonts
|
|||
|
|
* and for the user to add new ones for their fonts. The default bahavious can be overridden should
|
|||
|
|
* that be desired.
|
|||
|
|
*/
|
|||
|
|
function setFontFamily($family,$options=''){
|
|||
|
|
if (!is_array($options)){
|
|||
|
|
if ($family=='init'){
|
|||
|
|
// set the known family groups
|
|||
|
|
// these font families will be used to enable bold and italic markers to be included
|
|||
|
|
// within text streams. html forms will be used... <b></b> <i></i>
|
|||
|
|
$this->fontFamilies['Helvetica.afm']=array(
|
|||
|
|
'b'=>'Helvetica-Bold.afm'
|
|||
|
|
,'i'=>'Helvetica-Oblique.afm'
|
|||
|
|
,'bi'=>'Helvetica-BoldOblique.afm'
|
|||
|
|
,'ib'=>'Helvetica-BoldOblique.afm'
|
|||
|
|
);
|
|||
|
|
$this->fontFamilies['Courier.afm']=array(
|
|||
|
|
'b'=>'Courier-Bold.afm'
|
|||
|
|
,'i'=>'Courier-Oblique.afm'
|
|||
|
|
,'bi'=>'Courier-BoldOblique.afm'
|
|||
|
|
,'ib'=>'Courier-BoldOblique.afm'
|
|||
|
|
);
|
|||
|
|
$this->fontFamilies['Times-Roman.afm']=array(
|
|||
|
|
'b'=>'Times-Bold.afm'
|
|||
|
|
,'i'=>'Times-Italic.afm'
|
|||
|
|
,'bi'=>'Times-BoldItalic.afm'
|
|||
|
|
,'ib'=>'Times-BoldItalic.afm'
|
|||
|
|
);
|
|||
|
|
}
|
|||
|
|
} else {
|
|||
|
|
// the user is trying to set a font family
|
|||
|
|
// note that this can also be used to set the base ones to something else
|
|||
|
|
if (strlen($family)){
|
|||
|
|
$this->fontFamilies[$family] = $options;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* used to add messages for use in debugging
|
|||
|
|
*/
|
|||
|
|
function addMessage($message){
|
|||
|
|
$this->messages.=$message."\n";
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* a few functions which should allow the document to be treated transactionally.
|
|||
|
|
*/
|
|||
|
|
function transaction($action){
|
|||
|
|
switch ($action){
|
|||
|
|
case 'start':
|
|||
|
|
// store all the data away into the checkpoint variable
|
|||
|
|
$data = get_object_vars($this);
|
|||
|
|
$this->checkpoint = $data;
|
|||
|
|
unset($data);
|
|||
|
|
break;
|
|||
|
|
case 'commit':
|
|||
|
|
if (is_array($this->checkpoint) && isset($this->checkpoint['checkpoint'])){
|
|||
|
|
$tmp = $this->checkpoint['checkpoint'];
|
|||
|
|
$this->checkpoint = $tmp;
|
|||
|
|
unset($tmp);
|
|||
|
|
} else {
|
|||
|
|
$this->checkpoint='';
|
|||
|
|
}
|
|||
|
|
break;
|
|||
|
|
case 'rewind':
|
|||
|
|
// do not destroy the current checkpoint, but move us back to the state then, so that we can try again
|
|||
|
|
if (is_array($this->checkpoint)){
|
|||
|
|
// can only abort if were inside a checkpoint
|
|||
|
|
$tmp = $this->checkpoint;
|
|||
|
|
foreach ($tmp as $k=>$v){
|
|||
|
|
if ($k != 'checkpoint'){
|
|||
|
|
$this->$k=$v;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
unset($tmp);
|
|||
|
|
}
|
|||
|
|
break;
|
|||
|
|
case 'abort':
|
|||
|
|
if (is_array($this->checkpoint)){
|
|||
|
|
// can only abort if were inside a checkpoint
|
|||
|
|
$tmp = $this->checkpoint;
|
|||
|
|
foreach ($tmp as $k=>$v){
|
|||
|
|
$this->$k=$v;
|
|||
|
|
}
|
|||
|
|
unset($tmp);
|
|||
|
|
}
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
} // end of class
|
|||
|
|
|
|||
|
|
?>
|