/application/helper/cpdf.php
PHP | 4011 lines | 2932 code | 166 blank | 913 comment | 450 complexity | d1de512701b9960a35ac7f32df575cb1 MD5 | raw file
- <?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 helper_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%‚„œ”\n";
- // $content="%PDF-1.3\n";
- $pos = strlen( $content );
- var_dump($this->objects);
- die();
- 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
- ?>