|
@@ -1,3072 +0,0 @@
|
|
|
-<?php
|
|
|
-/**
|
|
|
-* Cpdf
|
|
|
-*
|
|
|
-* http://www.ros.co.nz/pdf
|
|
|
-*
|
|
|
-* A PHP class to provide the basic functionality to create a pdf document without
|
|
|
-* any requirement for additional modules.
|
|
|
-*
|
|
|
-* Note that they companion class CezPdf can be used to extend this class and dramatically
|
|
|
-* simplify the creation of documents.
|
|
|
-*
|
|
|
-* IMPORTANT NOTE
|
|
|
-* there is no warranty, implied or otherwise with this software.
|
|
|
-*
|
|
|
-* LICENCE
|
|
|
-* This code has been placed in the Public Domain for all to enjoy.
|
|
|
-*
|
|
|
-* @author Wayne Munro <pdf@ros.co.nz>
|
|
|
-* @version 009
|
|
|
-* @package Cpdf
|
|
|
-*/
|
|
|
-class Cpdf {
|
|
|
-
|
|
|
-/**
|
|
|
-* the current number of pdf objects in the document
|
|
|
-*/
|
|
|
-var $numObj=0;
|
|
|
-/**
|
|
|
-* this array contains all of the pdf objects, ready for final assembly
|
|
|
-*/
|
|
|
-var $objects = array();
|
|
|
-/**
|
|
|
-* the objectId (number within the objects array) of the document catalog
|
|
|
-*/
|
|
|
-var $catalogId;
|
|
|
-/**
|
|
|
-* array carrying information about the fonts that the system currently knows about
|
|
|
-* used to ensure that a font is not loaded twice, among other things
|
|
|
-*/
|
|
|
-var $fonts=array();
|
|
|
-/**
|
|
|
-* a record of the current font
|
|
|
-*/
|
|
|
-var $currentFont='';
|
|
|
-/**
|
|
|
-* the current base font
|
|
|
-*/
|
|
|
-var $currentBaseFont='';
|
|
|
-/**
|
|
|
-* the number of the current font within the font array
|
|
|
-*/
|
|
|
-var $currentFontNum=0;
|
|
|
-/**
|
|
|
-*
|
|
|
-*/
|
|
|
-var $currentNode;
|
|
|
-/**
|
|
|
-* object number of the current page
|
|
|
-*/
|
|
|
-var $currentPage;
|
|
|
-/**
|
|
|
-* object number of the currently active contents block
|
|
|
-*/
|
|
|
-var $currentContents;
|
|
|
-/**
|
|
|
-* number of fonts within the system
|
|
|
-*/
|
|
|
-var $numFonts=0;
|
|
|
-/**
|
|
|
-* current colour for fill operations, defaults to inactive value, all three components should be between 0 and 1 inclusive when active
|
|
|
-*/
|
|
|
-var $currentColour=array('r'=>-1,'g'=>-1,'b'=>-1);
|
|
|
-/**
|
|
|
-* current colour for stroke operations (lines etc.)
|
|
|
-*/
|
|
|
-var $currentStrokeColour=array('r'=>-1,'g'=>-1,'b'=>-1);
|
|
|
-/**
|
|
|
-* current style that lines are drawn in
|
|
|
-*/
|
|
|
-var $currentLineStyle='';
|
|
|
-/**
|
|
|
-* an array which is used to save the state of the document, mainly the colours and styles
|
|
|
-* it is used to temporarily change to another state, the change back to what it was before
|
|
|
-*/
|
|
|
-var $stateStack = array();
|
|
|
-/**
|
|
|
-* number of elements within the state stack
|
|
|
-*/
|
|
|
-var $nStateStack = 0;
|
|
|
-/**
|
|
|
-* number of page objects within the document
|
|
|
-*/
|
|
|
-var $numPages=0;
|
|
|
-/**
|
|
|
-* object Id storage stack
|
|
|
-*/
|
|
|
-var $stack=array();
|
|
|
-/**
|
|
|
-* number of elements within the object Id storage stack
|
|
|
-*/
|
|
|
-var $nStack=0;
|
|
|
-/**
|
|
|
-* an array which contains information about the objects which are not firmly attached to pages
|
|
|
-* these have been added with the addObject function
|
|
|
-*/
|
|
|
-var $looseObjects=array();
|
|
|
-/**
|
|
|
-* array contains infomation about how the loose objects are to be added to the document
|
|
|
-*/
|
|
|
-var $addLooseObjects=array();
|
|
|
-/**
|
|
|
-* the objectId of the information object for the document
|
|
|
-* this contains authorship, title etc.
|
|
|
-*/
|
|
|
-var $infoObject=0;
|
|
|
-/**
|
|
|
-* number of images being tracked within the document
|
|
|
-*/
|
|
|
-var $numImages=0;
|
|
|
-/**
|
|
|
-* an array containing options about the document
|
|
|
-* it defaults to turning on the compression of the objects
|
|
|
-*/
|
|
|
-var $options=array('compression'=>1);
|
|
|
-/**
|
|
|
-* the objectId of the first page of the document
|
|
|
-*/
|
|
|
-var $firstPageId;
|
|
|
-/**
|
|
|
-* used to track the last used value of the inter-word spacing, this is so that it is known
|
|
|
-* when the spacing is changed.
|
|
|
-*/
|
|
|
-var $wordSpaceAdjust=0;
|
|
|
-/**
|
|
|
-* the object Id of the procset object
|
|
|
-*/
|
|
|
-var $procsetObjectId;
|
|
|
-/**
|
|
|
-* store the information about the relationship between font families
|
|
|
-* this used so that the code knows which font is the bold version of another font, etc.
|
|
|
-* the value of this array is initialised in the constuctor function.
|
|
|
-*/
|
|
|
-var $fontFamilies = array();
|
|
|
-/**
|
|
|
-* track if the current font is bolded or italicised
|
|
|
-*/
|
|
|
-var $currentTextState = '';
|
|
|
-/**
|
|
|
-* messages are stored here during processing, these can be selected afterwards to give some useful debug information
|
|
|
-*/
|
|
|
-var $messages='';
|
|
|
-/**
|
|
|
-* the ancryption array for the document encryption is stored here
|
|
|
-*/
|
|
|
-var $arc4='';
|
|
|
-/**
|
|
|
-* the object Id of the encryption information
|
|
|
-*/
|
|
|
-var $arc4_objnum=0;
|
|
|
-/**
|
|
|
-* the file identifier, used to uniquely identify a pdf document
|
|
|
-*/
|
|
|
-var $fileIdentifier='';
|
|
|
-/**
|
|
|
-* a flag to say if a document is to be encrypted or not
|
|
|
-*/
|
|
|
-var $encrypted=0;
|
|
|
-/**
|
|
|
-* the ancryption key for the encryption of all the document content (structure is not encrypted)
|
|
|
-*/
|
|
|
-var $encryptionKey='';
|
|
|
-/**
|
|
|
-* array which forms a stack to keep track of nested callback functions
|
|
|
-*/
|
|
|
-var $callback = array();
|
|
|
-/**
|
|
|
-* the number of callback functions in the callback array
|
|
|
-*/
|
|
|
-var $nCallback = 0;
|
|
|
-/**
|
|
|
-* store label->id pairs for named destinations, these will be used to replace internal links
|
|
|
-* done this way so that destinations can be defined after the location that links to them
|
|
|
-*/
|
|
|
-var $destinations = array();
|
|
|
-/**
|
|
|
-* store the stack for the transaction commands, each item in here is a record of the values of all the
|
|
|
-* variables within the class, so that the user can rollback at will (from each 'start' command)
|
|
|
-* note that this includes the objects array, so these can be large.
|
|
|
-*/
|
|
|
-var $checkpoint = '';
|
|
|
-/**
|
|
|
-* class constructor
|
|
|
-* this will start a new document
|
|
|
-* @var array array of 4 numbers, defining the bottom left and upper right corner of the page. first two are normally zero.
|
|
|
-*/
|
|
|
-function Cpdf ($pageSize=array(0,0,612,792)){
|
|
|
- $this->newDocument($pageSize);
|
|
|
-
|
|
|
- // also initialize the font families that are known about already
|
|
|
- $this->setFontFamily('init');
|
|
|
-// $this->fileIdentifier = md5('xxxxxxxx'.time());
|
|
|
-
|
|
|
-}
|
|
|
-
|
|
|
-/**
|
|
|
-* Document object methods (internal use only)
|
|
|
-*
|
|
|
-* There is about one object method for each type of object in the pdf document
|
|
|
-* Each function has the same call list ($id,$action,$options).
|
|
|
-* $id = the object ID of the object, or what it is to be if it is being created
|
|
|
-* $action = a string specifying the action to be performed, though ALL must support:
|
|
|
-* 'new' - create the object with the id $id
|
|
|
-* 'out' - produce the output for the pdf object
|
|
|
-* $options = optional, a string or array containing the various parameters for the object
|
|
|
-*
|
|
|
-* These, in conjunction with the output function are the ONLY way for output to be produced
|
|
|
-* within the pdf 'file'.
|
|
|
-*/
|
|
|
-
|
|
|
-/**
|
|
|
-*destination object, used to specify the location for the user to jump to, presently on opening
|
|
|
-*/
|
|
|
-function o_destination($id,$action,$options=''){
|
|
|
- if ($action!='new'){
|
|
|
- $o =& $this->objects[$id];
|
|
|
- }
|
|
|
- switch($action){
|
|
|
- case 'new':
|
|
|
- $this->objects[$id]=array('t'=>'destination','info'=>array());
|
|
|
- $tmp = '';
|
|
|
- switch ($options['type']){
|
|
|
- case 'XYZ':
|
|
|
- case 'FitR':
|
|
|
- $tmp = ' '.$options['p3'].$tmp;
|
|
|
- case 'FitH':
|
|
|
- case 'FitV':
|
|
|
- case 'FitBH':
|
|
|
- case 'FitBV':
|
|
|
- $tmp = ' '.$options['p1'].' '.$options['p2'].$tmp;
|
|
|
- case 'Fit':
|
|
|
- case 'FitB':
|
|
|
- $tmp = $options['type'].$tmp;
|
|
|
- $this->objects[$id]['info']['string']=$tmp;
|
|
|
- $this->objects[$id]['info']['page']=$options['page'];
|
|
|
- }
|
|
|
- break;
|
|
|
- case 'out':
|
|
|
- $tmp = $o['info'];
|
|
|
- $res="\n".$id." 0 obj\n".'['.$tmp['page'].' 0 R /'.$tmp['string']."]\nendobj\n";
|
|
|
- return $res;
|
|
|
- break;
|
|
|
- }
|
|
|
-}
|
|
|
-
|
|
|
-/**
|
|
|
-* set the viewer preferences
|
|
|
-*/
|
|
|
-function o_viewerPreferences($id,$action,$options=''){
|
|
|
- if ($action!='new'){
|
|
|
- $o =& $this->objects[$id];
|
|
|
- }
|
|
|
- switch ($action){
|
|
|
- case 'new':
|
|
|
- $this->objects[$id]=array('t'=>'viewerPreferences','info'=>array());
|
|
|
- break;
|
|
|
- case 'add':
|
|
|
- foreach($options as $k=>$v){
|
|
|
- switch ($k){
|
|
|
- case 'HideToolbar':
|
|
|
- case 'HideMenubar':
|
|
|
- case 'HideWindowUI':
|
|
|
- case 'FitWindow':
|
|
|
- case 'CenterWindow':
|
|
|
- case 'NonFullScreenPageMode':
|
|
|
- case 'Direction':
|
|
|
- $o['info'][$k]=$v;
|
|
|
- break;
|
|
|
- }
|
|
|
- }
|
|
|
- break;
|
|
|
- case 'out':
|
|
|
-
|
|
|
- $res="\n".$id." 0 obj\n".'<< ';
|
|
|
- foreach($o['info'] as $k=>$v){
|
|
|
- $res.="\n/".$k.' '.$v;
|
|
|
- }
|
|
|
- $res.="\n>>\n";
|
|
|
- return $res;
|
|
|
- break;
|
|
|
- }
|
|
|
-}
|
|
|
-
|
|
|
-/**
|
|
|
-* define the document catalog, the overall controller for the document
|
|
|
-*/
|
|
|
-function o_catalog($id,$action,$options=''){
|
|
|
- if ($action!='new'){
|
|
|
- $o =& $this->objects[$id];
|
|
|
- }
|
|
|
- switch ($action){
|
|
|
- case 'new':
|
|
|
- $this->objects[$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%����\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
|
|
|
-
|
|
|
-?>
|