/fb/cuentas/php-jpgraph/jpgraph_gantt.php

Large files files are truncated, but you can click here to view the full file

<?php
/*=======================================================================
// File:	JPGRAPH_GANTT.PHP
// Description:	JpGraph Gantt plot extension
// Created: 	2001-11-12
// Ver:		$Id: jpgraph_gantt.php 956 2007-11-17 13:19:20Z ljp $
//
// Copyright (c) Aditus Consulting. All rights reserved.
//========================================================================
*/

require_once('jpgraph_plotband.php'); 
require_once('jpgraph_iconplot.php'); 
require_once('jpgraph_plotmark.inc.php');

// Maximum size for Automatic Gantt chart
DEFINE('MAX_GANTTIMG_SIZE_W',4000);
DEFINE('MAX_GANTTIMG_SIZE_H',5000);

// Scale Header types
DEFINE("GANTT_HDAY",1);
DEFINE("GANTT_HWEEK",2);
DEFINE("GANTT_HMONTH",4);
DEFINE("GANTT_HYEAR",8);
DEFINE("GANTT_HHOUR",16);
DEFINE("GANTT_HMIN",32);

// Bar patterns
DEFINE("GANTT_RDIAG",BAND_RDIAG);	// Right diagonal lines
DEFINE("GANTT_LDIAG",BAND_LDIAG); // Left diagonal lines
DEFINE("GANTT_SOLID",BAND_SOLID); // Solid one color
DEFINE("GANTT_VLINE",BAND_VLINE); // Vertical lines
DEFINE("GANTT_HLINE",BAND_HLINE);  // Horizontal lines
DEFINE("GANTT_3DPLANE",BAND_3DPLANE);  // "3D" Plane
DEFINE("GANTT_HVCROSS",BAND_HVCROSS);  // Vertical/Hor crosses
DEFINE("GANTT_DIAGCROSS",BAND_DIAGCROSS); // Diagonal crosses

// Conversion constant
DEFINE("SECPERDAY",3600*24);

// Locales. ONLY KEPT FOR BACKWARDS COMPATIBILITY
// You should use the proper locale strings directly 
// from now on. 
DEFINE("LOCALE_EN","en_UK");
DEFINE("LOCALE_SV","sv_SE");

// Layout of bars
DEFINE("GANTT_EVEN",1);
DEFINE("GANTT_FROMTOP",2);

// Style for minute header
DEFINE("MINUTESTYLE_MM",0);		// 15
DEFINE("MINUTESTYLE_CUSTOM",2);		// Custom format


// Style for hour header
DEFINE("HOURSTYLE_HM24",0);		// 13:10
DEFINE("HOURSTYLE_HMAMPM",1);		// 1:10pm
DEFINE("HOURSTYLE_H24",2);		// 13
DEFINE("HOURSTYLE_HAMPM",3);		// 1pm
DEFINE("HOURSTYLE_CUSTOM",4);		// User defined

// Style for day header
DEFINE("DAYSTYLE_ONELETTER",0);		// "M"
DEFINE("DAYSTYLE_LONG",1);		// "Monday"
DEFINE("DAYSTYLE_LONGDAYDATE1",2);	// "Monday 23 Jun"
DEFINE("DAYSTYLE_LONGDAYDATE2",3);	// "Monday 23 Jun 2003"
DEFINE("DAYSTYLE_SHORT",4);		// "Mon"
DEFINE("DAYSTYLE_SHORTDAYDATE1",5);	// "Mon 23/6"
DEFINE("DAYSTYLE_SHORTDAYDATE2",6);	// "Mon 23 Jun"
DEFINE("DAYSTYLE_SHORTDAYDATE3",7);	// "Mon 23"
DEFINE("DAYSTYLE_SHORTDATE1",8);	// "23/6"
DEFINE("DAYSTYLE_SHORTDATE2",9);	// "23 Jun"
DEFINE("DAYSTYLE_SHORTDATE3",10);	// "Mon 23"
DEFINE("DAYSTYLE_SHORTDATE4",11);	// "23"
DEFINE("DAYSTYLE_CUSTOM",12);		// "M"

// Styles for week header
DEFINE("WEEKSTYLE_WNBR",0);
DEFINE("WEEKSTYLE_FIRSTDAY",1);
DEFINE("WEEKSTYLE_FIRSTDAY2",2);
DEFINE("WEEKSTYLE_FIRSTDAYWNBR",3);
DEFINE("WEEKSTYLE_FIRSTDAY2WNBR",4);

// Styles for month header
DEFINE("MONTHSTYLE_SHORTNAME",0);
DEFINE("MONTHSTYLE_LONGNAME",1);
DEFINE("MONTHSTYLE_LONGNAMEYEAR2",2);
DEFINE("MONTHSTYLE_SHORTNAMEYEAR2",3);
DEFINE("MONTHSTYLE_LONGNAMEYEAR4",4);
DEFINE("MONTHSTYLE_SHORTNAMEYEAR4",5);
DEFINE("MONTHSTYLE_FIRSTLETTER",6);


// Types of constrain links
DEFINE('CONSTRAIN_STARTSTART',0);
DEFINE('CONSTRAIN_STARTEND',1);
DEFINE('CONSTRAIN_ENDSTART',2);
DEFINE('CONSTRAIN_ENDEND',3);

// Arrow direction for constrain links
DEFINE('ARROW_DOWN',0);
DEFINE('ARROW_UP',1);
DEFINE('ARROW_LEFT',2);
DEFINE('ARROW_RIGHT',3);

// Arrow type for constrain type
DEFINE('ARROWT_SOLID',0);
DEFINE('ARROWT_OPEN',1);

// Arrow size for constrain lines
DEFINE('ARROW_S1',0);
DEFINE('ARROW_S2',1);
DEFINE('ARROW_S3',2);
DEFINE('ARROW_S4',3);
DEFINE('ARROW_S5',4);

// Activity types for use with utility method CreateSimple()
DEFINE('ACTYPE_NORMAL',0);
DEFINE('ACTYPE_GROUP',1);
DEFINE('ACTYPE_MILESTONE',2);

DEFINE('ACTINFO_3D',1);
DEFINE('ACTINFO_2D',0);


// Check if array_fill() exists
if (!function_exists('array_fill')) {
    function array_fill($iStart, $iLen, $vValue) {
	$aResult = array();
	for ($iCount = $iStart; $iCount < $iLen + $iStart; $iCount++) {
	    $aResult[$iCount] = $vValue;
	}
	return $aResult;
    }
}

//===================================================
// CLASS GanttActivityInfo
// Description: 
//===================================================
class GanttActivityInfo {
    public $iShow=true;
    public $iLeftColMargin=4,$iRightColMargin=1,$iTopColMargin=1,$iBottomColMargin=3;
    public $vgrid = null;
    private $iColor='black';
    private $iBackgroundColor='lightgray';
    private $iFFamily=FF_FONT1,$iFStyle=FS_NORMAL,$iFSize=10,$iFontColor='black';
    private $iTitles=array();
    private $iWidth=array(),$iHeight=-1;
    private $iTopHeaderMargin = 4;
    private $iStyle=1;
    private $iHeaderAlign='center';

    function GanttActivityInfo() {
	$this->vgrid = new LineProperty();
    }

    function Hide($aF=true) {
	$this->iShow=!$aF;
    }

    function Show($aF=true) {
	$this->iShow=$aF;
    }

    // Specify font
    function SetFont($aFFamily,$aFStyle=FS_NORMAL,$aFSize=10) {
	$this->iFFamily = $aFFamily;
	$this->iFStyle	 = $aFStyle;
	$this->iFSize	 = $aFSize;
    }

    function SetStyle($aStyle) {
	$this->iStyle = $aStyle;
    }

    function SetColumnMargin($aLeft,$aRight) {
	$this->iLeftColMargin = $aLeft;
	$this->iRightColMargin = $aRight;
    }

    function SetFontColor($aFontColor) {
	$this->iFontColor = $aFontColor;
    }

    function SetColor($aColor) {
	$this->iColor = $aColor;
    }

    function SetBackgroundColor($aColor) {
	$this->iBackgroundColor = $aColor;
    }

    function SetColTitles($aTitles,$aWidth=null) {
	$this->iTitles = $aTitles;
	$this->iWidth = $aWidth;
    }

    function SetMinColWidth($aWidths) {
	$n = min(count($this->iTitles),count($aWidths));
	for($i=0; $i < $n; ++$i ) {
	    if( !empty($aWidths[$i]) ) {
		if( empty($this->iWidth[$i]) ) {
		    $this->iWidth[$i] = $aWidths[$i];
		}
		else {
		    $this->iWidth[$i] = max($this->iWidth[$i],$aWidths[$i]);
		}
	    }
	}
    }

    function GetWidth($aImg) {
	$txt = new TextProperty();
	$txt->SetFont($this->iFFamily,$this->iFStyle,$this->iFSize);
	$n = count($this->iTitles) ;
	$rm=$this->iRightColMargin;
	$w = 0;
	for($h=0, $i=0; $i < $n; ++$i ) {
	    $w += $this->iLeftColMargin;
	    $txt->Set($this->iTitles[$i]);
	    if( !empty($this->iWidth[$i]) ) {
		$w1 = max($txt->GetWidth($aImg)+$rm,$this->iWidth[$i]);
	    }
	    else {
		$w1 = $txt->GetWidth($aImg)+$rm;
	    }
	    $this->iWidth[$i] = $w1;
	    $w += $w1;
	    $h = max($h,$txt->GetHeight($aImg));
	}
	$this->iHeight = $h+$this->iTopHeaderMargin;
        $txt='';
	return $w;
    }
    
    function GetColStart($aImg,&$aStart,$aAddLeftMargin=false) {
	$n = count($this->iTitles) ;
	$adj = $aAddLeftMargin ? $this->iLeftColMargin : 0;
	$aStart=array($aImg->left_margin+$adj);
	for( $i=1; $i < $n; ++$i ) {
	    $aStart[$i] = $aStart[$i-1]+$this->iLeftColMargin+$this->iWidth[$i-1];
	}
    }
    
    // Adjust headers left, right or centered
    function SetHeaderAlign($aAlign) {
	$this->iHeaderAlign=$aAlign;
    }

    function Stroke($aImg,$aXLeft,$aYTop,$aXRight,$aYBottom,$aUseTextHeight=false) {

	if( !$this->iShow ) return;

	$txt = new TextProperty();
	$txt->SetFont($this->iFFamily,$this->iFStyle,$this->iFSize);
	$txt->SetColor($this->iFontColor);
	$txt->SetAlign($this->iHeaderAlign,'top');
	$n=count($this->iTitles);

	if( $n == 0 ) 
	    return;
	
	$x = $aXLeft;
	$h = $this->iHeight;
	$yTop = $aUseTextHeight ? $aYBottom-$h-$this->iTopColMargin-$this->iBottomColMargin : $aYTop ;

	if( $h < 0 ) {
	    JpGraphError::RaiseL(6001);
//('Internal error. Height for ActivityTitles is < 0');
	}

	$aImg->SetLineWeight(1);
	// Set background color
	$aImg->SetColor($this->iBackgroundColor);
	$aImg->FilledRectangle($aXLeft,$yTop,$aXRight,$aYBottom-1);

	if( $this->iStyle == 1 ) {
	    // Make a 3D effect
	    $aImg->SetColor('white');
	    $aImg->Line($aXLeft,$yTop+1,
			$aXRight,$yTop+1);
	}
	
	for($i=0; $i < $n; ++$i ) {
	    if( $this->iStyle == 1 ) {
		// Make a 3D effect
		$aImg->SetColor('white');
		$aImg->Line($x+1,$yTop,$x+1,$aYBottom);
	    }
	    $x += $this->iLeftColMargin;
	    $txt->Set($this->iTitles[$i]);
	    
	    // Adjust the text anchor position according to the choosen alignment
	    $xp = $x;
	    if( $this->iHeaderAlign == 'center' ) {
		$xp = (($x-$this->iLeftColMargin)+($x+$this->iWidth[$i]))/2;
	    }
	    elseif( $this->iHeaderAlign == 'right' ) {
		$xp = $x +$this->iWidth[$i]-$this->iRightColMargin;
	    }
		    
	    $txt->Stroke($aImg,$xp,$yTop+$this->iTopHeaderMargin);
	    $x += $this->iWidth[$i];
	    if( $i < $n-1 ) {
		$aImg->SetColor($this->iColor);
		$aImg->Line($x,$yTop,$x,$aYBottom);
	    }
	}

	$aImg->SetColor($this->iColor);
	$aImg->Line($aXLeft,$yTop, $aXRight,$yTop);

	// Stroke vertical column dividers
	$cols=array();
	$this->GetColStart($aImg,$cols);
	$n=count($cols);
	for( $i=1; $i < $n; ++$i ) {
	    $this->vgrid->Stroke($aImg,$cols[$i],$aYBottom,$cols[$i],
				    $aImg->height - $aImg->bottom_margin);
	}
    }
}


//===================================================
// CLASS GanttGraph
// Description: Main class to handle gantt graphs
//===================================================
class GanttGraph extends Graph {
    public $scale;		// Public accessible
    public $hgrid=null;
    private $iObj=array();				// Gantt objects
    private $iLabelHMarginFactor=0.2;	// 10% margin on each side of the labels
    private $iLabelVMarginFactor=0.4;	// 40% margin on top and bottom of label
    private $iLayout=GANTT_FROMTOP;	// Could also be GANTT_EVEN
    private $iSimpleFont = FF_FONT1,$iSimpleFontSize=11;
    private $iSimpleStyle=GANTT_RDIAG,$iSimpleColor='yellow',$iSimpleBkgColor='red';
    private $iSimpleProgressBkgColor='gray',$iSimpleProgressColor='darkgreen';
    private $iSimpleProgressStyle=GANTT_SOLID;
//---------------
// CONSTRUCTOR	
    // Create a new gantt graph
    function GanttGraph($aWidth=0,$aHeight=0,$aCachedName="",$aTimeOut=0,$aInline=true) {

	// Backward compatibility
	if( $aWidth == -1 ) $aWidth=0;
	if( $aHeight == -1 ) $aHeight=0;

	if( $aWidth<  0 || $aHeight < 0 ) {
	    JpgraphError::RaiseL(6002);
//("You can't specify negative sizes for Gantt graph dimensions. Use 0 to indicate that you want the library to automatically determine a dimension.");
	}
	Graph::Graph($aWidth,$aHeight,$aCachedName,$aTimeOut,$aInline);		
	$this->scale = new GanttScale($this->img);

	// Default margins
	$this->img->SetMargin(15,17,25,15);

	$this->hgrid = new HorizontalGridLine();
		
	$this->scale->ShowHeaders(GANTT_HWEEK|GANTT_HDAY);
	$this->SetBox();
    }
	
//---------------
// PUBLIC METHODS

    // 

    function SetSimpleFont($aFont,$aSize) {
	$this->iSimpleFont = $aFont;
	$this->iSimpleFontSize = $aSize;
    }

    function SetSimpleStyle($aBand,$aColor,$aBkgColor) {
	$this->iSimpleStyle = $aBand;
	$this->iSimpleColor = $aColor;
	$this->iSimpleBkgColor = $aBkgColor;
    }

    // A utility function to help create basic Gantt charts
    function CreateSimple($data,$constrains=array(),$progress=array()) {
	$num = count($data);
	for( $i=0; $i < $num; ++$i) {
	    switch( $data[$i][1] ) {
		case ACTYPE_GROUP:
		    // Create a slightly smaller height bar since the
		    // "wings" at the end will make it look taller
		    $a = new GanttBar($data[$i][0],$data[$i][2],$data[$i][3],$data[$i][4],'',8);
		    $a->title->SetFont($this->iSimpleFont,FS_BOLD,$this->iSimpleFontSize);		
		    $a->rightMark->Show();
		    $a->rightMark->SetType(MARK_RIGHTTRIANGLE);
		    $a->rightMark->SetWidth(8);
		    $a->rightMark->SetColor('black');
		    $a->rightMark->SetFillColor('black');
	    
		    $a->leftMark->Show();
		    $a->leftMark->SetType(MARK_LEFTTRIANGLE);
		    $a->leftMark->SetWidth(8);
		    $a->leftMark->SetColor('black');
		    $a->leftMark->SetFillColor('black');
	    
		    $a->SetPattern(BAND_SOLID,'black');
		    $csimpos = 6;
		    break;
		
		case ACTYPE_NORMAL:
		    $a = new GanttBar($data[$i][0],$data[$i][2],$data[$i][3],$data[$i][4],'',10);
		    $a->title->SetFont($this->iSimpleFont,FS_NORMAL,$this->iSimpleFontSize);
		    $a->SetPattern($this->iSimpleStyle,$this->iSimpleColor);
		    $a->SetFillColor($this->iSimpleBkgColor);
		    // Check if this activity should have a constrain line
		    $n = count($constrains);
		    for( $j=0; $j < $n; ++$j ) {
			if( empty($constrains[$j]) || (count($constrains[$j]) != 3) ) {
			    JpGraphError::RaiseL(6003,$j);
//("Invalid format for Constrain parameter at index=$j in CreateSimple(). Parameter must start with index 0 and contain arrays of (Row,Constrain-To,Constrain-Type)");	 
			}
			if( $constrains[$j][0]==$data[$i][0] ) {
			    $a->SetConstrain($constrains[$j][1],$constrains[$j][2],'black',ARROW_S2,ARROWT_SOLID);    
			}
		    }

		    // Check if this activity have a progress bar
		    $n = count($progress);
		    for( $j=0; $j < $n; ++$j ) {
			
			if( empty($progress[$j]) || (count($progress[$j]) != 2) ) {
			    JpGraphError::RaiseL(6004,$j);
//("Invalid format for Progress parameter at index=$j in CreateSimple(). Parameter must start with index 0 and contain arrays of (Row,Progress)");	
			}
			if( $progress[$j][0]==$data[$i][0] ) {
			    $a->progress->Set($progress[$j][1]);
			    $a->progress->SetPattern($this->iSimpleProgressStyle,
						     $this->iSimpleProgressColor);
			    $a->progress->SetFillColor($this->iSimpleProgressBkgColor);
			    //$a->progress->SetPattern($progress[$j][2],$progress[$j][3]);
			    break;
			}
		    }
		    $csimpos = 6;
		    break;

		case ACTYPE_MILESTONE:
		    $a = new MileStone($data[$i][0],$data[$i][2],$data[$i][3]);
		    $a->title->SetFont($this->iSimpleFont,FS_NORMAL,$this->iSimpleFontSize);
		    $a->caption->SetFont($this->iSimpleFont,FS_NORMAL,$this->iSimpleFontSize);
		    $csimpos = 5;
		    break;
		default:
		    die('Unknown activity type');
		    break;
	    }

	    // Setup caption
	    $a->caption->Set($data[$i][$csimpos-1]);

	    // Check if this activity should have a CSIM target ?
	    if( !empty($data[$i][$csimpos]) ) {
		$a->SetCSIMTarget($data[$i][$csimpos]);
		$a->SetCSIMAlt($data[$i][$csimpos+1]);
	    }
	    if( !empty($data[$i][$csimpos+2]) ) {
		$a->title->SetCSIMTarget($data[$i][$csimpos+2]);
		$a->title->SetCSIMAlt($data[$i][$csimpos+3]);
	    }

	    $this->Add($a);
	}
    }

	
    // Set what headers should be shown
    function ShowHeaders($aFlg) {
	$this->scale->ShowHeaders($aFlg);
    }
	
    // Specify the fraction of the font height that should be added 
    // as vertical margin
    function SetLabelVMarginFactor($aVal) {
	$this->iLabelVMarginFactor = $aVal;
    }

    // Synonym to the method above
    function SetVMarginFactor($aVal) {
	$this->iLabelVMarginFactor = $aVal;
    }
	
	
    // Add a new Gantt object
    function Add($aObject) {
	if( is_array($aObject) && count($aObject) > 0 ) {
	    $cl = $aObject[0];
	    if( class_exists('IconPlot',false) && ($cl instanceof IconPlot) ) {
		$this->AddIcon($aObject);
	    }
	    else {
		$n = count($aObject);
		for($i=0; $i < $n; ++$i)
		    $this->iObj[] = $aObject[$i];
	    }
	}
	else {
	    if( class_exists('IconPlot',false) && ($aObject instanceof IconPlot) ) {
		$this->AddIcon($aObject);
	    }
	    else {	    
		$this->iObj[] = $aObject;
	    }
	}
    }

    // Override inherit method from Graph and give a warning message
    function SetScale($aAxisType,$aYMin=1,$aYMax=1,$aXMin=1,$aXMax=1) {
	JpGraphError::RaiseL(6005);
//("SetScale() is not meaningfull with Gantt charts.");
    }

    // Specify the date range for Gantt graphs (if this is not set it will be
    // automtically determined from the input data)
    function SetDateRange($aStart,$aEnd) {
	// Adjust the start and end so that the indicate the
	// begining and end of respective start and end days
	if( strpos($aStart,':') === false )
	    $aStart = date('Y-m-d 00:00',strtotime($aStart));
	if( strpos($aEnd,':') === false )
	    $aEnd = date('Y-m-d 23:59',strtotime($aEnd));
	$this->scale->SetRange($aStart,$aEnd);
    }
	
    // Get the maximum width of the activity titles columns for the bars
    // The name is lightly misleading since we from now on can have
    // multiple columns in the label section. When this was first written
    // it only supported a single label, hence the name.
    function GetMaxLabelWidth() {
	$m=10;
	if( $this->iObj != null ) {
	    $marg = $this->scale->actinfo->iLeftColMargin+$this->scale->actinfo->iRightColMargin;
 	    $n = count($this->iObj);
 	    for($i=0; $i < $n; ++$i) {
		if( !empty($this->iObj[$i]->title) ) {
		    if( $this->iObj[$i]->title->HasTabs() ) {
			list($tot,$w) = $this->iObj[$i]->title->GetWidth($this->img,true);
			$m=max($m,$tot);
		    }
		    else 
			$m=max($m,$this->iObj[$i]->title->GetWidth($this->img));
		}
	    }
	}
	return $m;
    }
	
    // Get the maximum height of the titles for the bars
    function GetMaxLabelHeight() {
	$m=10;
	if( $this->iObj != null ) {
	    $n = count($this->iObj);
	    for($i=0; $i < $n; ++$i) {
		if( !empty($this->iObj[$i]->title) ) {
		    $m=max($m,$this->iObj[$i]->title->GetHeight($this->img));
		}
	    }
	}
	return $m;
    }

    function GetMaxBarAbsHeight() {
	$m=0;
	if( $this->iObj != null ) {
	    $m = $this->iObj[0]->GetAbsHeight($this->img);
	    $n = count($this->iObj);
	    for($i=1; $i < $n; ++$i) {
		$m=max($m,$this->iObj[$i]->GetAbsHeight($this->img));
	    }
	}
	return $m;		
    }
	
    // Get the maximum used line number (vertical position) for bars
    function GetBarMaxLineNumber() {
	$m=1;
	if( $this->iObj != null ) {
	    $m = $this->iObj[0]->GetLineNbr();
	    $n = count($this->iObj);
	    for($i=1; $i < $n; ++$i) {
		$m=max($m,$this->iObj[$i]->GetLineNbr());
	    }
	}
	return $m;
    }
	
    // Get the minumum and maximum used dates for all bars
    function GetBarMinMax() {
	$start = 0 ;
	$n = count($this->iObj);
	while( $start < $n && $this->iObj[$start]->GetMaxDate() === false )
	    ++$start;
	if( $start >= $n ) {
	    JpgraphError::RaiseL(6006);
//('Cannot autoscale Gantt chart. No dated activities exist. [GetBarMinMax() start >= n]');
	}

	$max=$this->scale->NormalizeDate($this->iObj[$start]->GetMaxDate());
	$min=$this->scale->NormalizeDate($this->iObj[$start]->GetMinDate());

	for($i=$start+1; $i < $n; ++$i) {
	    $rmax = $this->scale->NormalizeDate($this->iObj[$i]->GetMaxDate());
	    if( $rmax != false ) 
		$max=Max($max,$rmax);
	    $rmin = $this->scale->NormalizeDate($this->iObj[$i]->GetMinDate());
	    if( $rmin != false ) 
		$min=Min($min,$rmin);
	}
	$minDate = date("Y-m-d",$min);
	$min = strtotime($minDate);
	$maxDate = date("Y-m-d 23:59",$max);
	$max = strtotime($maxDate);	
	return array($min,$max);
    }

    // Create a new auto sized canvas if the user hasn't specified a size
    // The size is determined by what scale the user has choosen and hence
    // the minimum width needed to display the headers. Some margins are
    // also added to make it better looking.
    function AutoSize() {

	if( $this->img->img == null ) {
	    // The predefined left, right, top, bottom margins.
	    // Note that the top margin might incease depending on
	    // the title.
	    $lm = $this->img->left_margin; 
	    $rm = $this->img->right_margin; 
	    $rm += 2 ;
	    $tm = $this->img->top_margin; 
	    $bm = $this->img->bottom_margin; 
	    $bm += 1; 
	    if( BRAND_TIMING ) $bm += 10;
			
	    // First find out the height			
	    $n=$this->GetBarMaxLineNumber()+1;
	    $m=max($this->GetMaxLabelHeight(),$this->GetMaxBarAbsHeight());
	    $height=$n*((1+$this->iLabelVMarginFactor)*$m);			
			
	    // Add the height of the scale titles			
	    $h=$this->scale->GetHeaderHeight();
	    $height += $h;

	    // Calculate the top margin needed for title and subtitle
	    if( $this->title->t != "" ) {
		$tm += $this->title->GetFontHeight($this->img);
	    }
	    if( $this->subtitle->t != "" ) {
		$tm += $this->subtitle->GetFontHeight($this->img);
	    }

	    // ...and then take the bottom and top plot margins into account
	    $height += $tm + $bm + $this->scale->iTopPlotMargin + $this->scale->iBottomPlotMargin;
	    // Now find the minimum width for the chart required

	    // If day scale or smaller is shown then we use the day font width
	    // as the base size unit.
	    // If only weeks or above is displayed we use a modified unit to
	    // get a smaller image.
	    if( $this->scale->IsDisplayHour() || $this->scale->IsDisplayMinute() ) {
		// Add 2 pixel margin on each side
		$fw=$this->scale->day->GetFontWidth($this->img)+4; 
	    }
	    elseif( $this->scale->IsDisplayWeek() ) {
		$fw = 8;
	    }
	    elseif( $this->scale->IsDisplayMonth() ) {
		$fw = 4;
	    }
	    else {
		$fw = 2;
	    }

	    $nd=$this->scale->GetNumberOfDays();

	    if( $this->scale->IsDisplayDay() ) {
		// If the days are displayed we also need to figure out
		// how much space each day's title will require.
		switch( $this->scale->day->iStyle ) {
		    case DAYSTYLE_LONG :
			$txt = "Monday";
			break;
		    case DAYSTYLE_LONGDAYDATE1 :
			$txt =  "Monday 23 Jun";
			break;
		    case DAYSTYLE_LONGDAYDATE2 :
			$txt =  "Monday 23 Jun 2003";
			break;
		    case DAYSTYLE_SHORT : 
			$txt =  "Mon";
			break;
		    case DAYSTYLE_SHORTDAYDATE1 : 
                        $txt =  "Mon 23/6";
			break;
		    case DAYSTYLE_SHORTDAYDATE2 :
			$txt =  "Mon 23 Jun";
			break;
		    case DAYSTYLE_SHORTDAYDATE3 :
			$txt =  "Mon 23";
			break;
		    case DAYSTYLE_SHORTDATE1 :
                        $txt =  "23/6";
			break;
		    case DAYSTYLE_SHORTDATE2 :
			$txt =  "23 Jun";
			break;
		    case DAYSTYLE_SHORTDATE3 :
			$txt =  "Mon 23";
			break;
		    case DAYSTYLE_SHORTDATE4 :
			$txt =  "88";
			break;
		    case DAYSTYLE_CUSTOM :
			$txt = date($this->scale->day->iLabelFormStr,
				    strtotime('2003-12-20 18:00'));
			break;
		    case DAYSTYLE_ONELETTER :
		    default:
			$txt = "M";
			break;
		}
		$fw = $this->scale->day->GetStrWidth($this->img,$txt)+6;
	    }

	    // If we have hours enabled we must make sure that each day has enough
	    // space to fit the number of hours to be displayed.
	    if( $this->scale->IsDisplayHour() ) {
		// Depending on what format the user has choose we need different amount
		// of space. We therefore create a typical string for the choosen format
		// and determine the length of that string.
		switch( $this->scale->hour->iStyle ) {
		    case HOURSTYLE_HMAMPM:
			$txt = '12:00pm';
			break;
		    case HOURSTYLE_H24:
			// 13
			$txt = '24';
			break;
		    case HOURSTYLE_HAMPM:
			$txt = '12pm';
			break;
		    case HOURSTYLE_CUSTOM:
			$txt = date($this->scale->hour->iLabelFormStr,strtotime('2003-12-20 18:00'));
			break;
		    case HOURSTYLE_HM24:
		    default:
			$txt = '24:00';
			break;
		}

		$hfw = $this->scale->hour->GetStrWidth($this->img,$txt)+6;
		$mw = $hfw;
		if( $this->scale->IsDisplayMinute() ) {
		    // Depending on what format the user has choose we need different amount
		    // of space. We therefore create a typical string for the choosen format
		    // and determine the length of that string.
		    switch( $this->scale->minute->iStyle ) {
			case HOURSTYLE_CUSTOM:
			    $txt2 = date($this->scale->minute->iLabelFormStr,strtotime('2005-05-15 18:55'));
			    break;
			case MINUTESTYLE_MM:
			default:
			    $txt2 = '15';
			    break;
		    }
		    
		    $mfw = $this->scale->minute->GetStrWidth($this->img,$txt2)+6;
		    $n2 = ceil(60 / $this->scale->minute->GetIntervall() );
		    $mw = $n2 * $mfw;
		}
		$hfw = $hfw < $mw ? $mw : $hfw ;   
		$n = ceil(24*60 / $this->scale->TimeToMinutes($this->scale->hour->GetIntervall()) );
		$hw = $n * $hfw;
		$fw = $fw < $hw ? $hw : $fw ;
	    }

	    // We need to repeat this code block here as well. 
	    // THIS iS NOT A MISTAKE !
	    // We really need it since we need to adjust for minutes both in the case
	    // where hour scale is shown and when it is not shown.

	    if( $this->scale->IsDisplayMinute() ) {
		// Depending on what format the user has choose we need different amount
		// of space. We therefore create a typical string for the choosen format
		// and determine the length of that string.
		switch( $this->scale->minute->iStyle ) {
		    case HOURSTYLE_CUSTOM:
			$txt = date($this->scale->minute->iLabelFormStr,strtotime('2005-05-15 18:55'));
			break;
		    case MINUTESTYLE_MM:
		    default:
			$txt = '15';
			break;
		}
		
		$mfw = $this->scale->minute->GetStrWidth($this->img,$txt)+6;
		$n = ceil(60 / $this->scale->TimeToMinutes($this->scale->minute->GetIntervall()) );
		$mw = $n * $mfw;
		$fw = $fw < $mw ? $mw : $fw ;
	    }

	    // If we display week we must make sure that 7*$fw is enough
	    // to fit up to 10 characters of the week font (if the week is enabled)
	    if( $this->scale->IsDisplayWeek() ) {
		// Depending on what format the user has choose we need different amount
		// of space
		$fsw = strlen($this->scale->week->iLabelFormStr);
		if( $this->scale->week->iStyle==WEEKSTYLE_FIRSTDAY2WNBR ) {
		    $fsw += 8;
		}
		elseif( $this->scale->week->iStyle==WEEKSTYLE_FIRSTDAYWNBR ) {
		    $fsw += 7;
		}
		else {
		    $fsw += 4;
		}
		    
		$ww = $fsw*$this->scale->week->GetFontWidth($this->img);
		if( 7*$fw < $ww ) {
		    $fw = ceil($ww/7);
		}
	    }

	    if( !$this->scale->IsDisplayDay() && !$this->scale->IsDisplayHour() &&
		!( ($this->scale->week->iStyle==WEEKSTYLE_FIRSTDAYWNBR || 
		    $this->scale->week->iStyle==WEEKSTYLE_FIRSTDAY2WNBR) && $this->scale->IsDisplayWeek() ) ) {
		// If we don't display the individual days we can shrink the
		// scale a little bit. This is a little bit pragmatic at the 
		// moment and should be re-written to take into account
		// a) What scales exactly are shown and 
		// b) what format do they use so we know how wide we need to
		// make each scale text space at minimum.
		$fw /= 2;
		if( !$this->scale->IsDisplayWeek() ) {
		    $fw /= 1.8;
		}
	    }

	    $cw = $this->GetMaxActInfoColWidth() ;
	    $this->scale->actinfo->SetMinColWidth($cw); 
	    if( $this->img->width <= 0 ) {
		// Now determine the width for the activity titles column

		// Firdst find out the maximum width of each object column
		$titlewidth = max(max($this->GetMaxLabelWidth(),
				      $this->scale->tableTitle->GetWidth($this->img)), 
				  $this->scale->actinfo->GetWidth($this->img));

		// Add the width of the vertivcal divider line
		$titlewidth += $this->scale->divider->iWeight*2;


		// Now get the total width taking 
		// titlewidth, left and rigt margin, dayfont size 
		// into account
		$width = $titlewidth + $nd*$fw + $lm+$rm;
	    }
	    else {
		$width = $this->img->width;
	    }

	    $width = round($width);
	    $height = round($height);
	    // Make a sanity check on image size
	    if( $width > MAX_GANTTIMG_SIZE_W || $height > MAX_GANTTIMG_SIZE_H ) {
		JpgraphError::RaiseL(6007,$width,$height);
//("Sanity check for automatic Gantt chart size failed. Either the width (=$width) or height (=$height) is larger than MAX_GANTTIMG_SIZE. This could potentially be caused by a wrong date in one of the activities.");
	    }
	    $this->img->CreateImgCanvas($width,$height);			
	    $this->img->SetMargin($lm,$rm,$tm,$bm);
	}
    }

    // Return an array width the maximum width for each activity
    // column. This is used when we autosize the columns where we need
    // to find out the maximum width of each column. In order to do that we
    // must walk through all the objects, sigh...
    function GetMaxActInfoColWidth() {
	$n = count($this->iObj);
	if( $n == 0 ) return;
	$w = array();
	$m = $this->scale->actinfo->iLeftColMargin + $this->scale->actinfo->iRightColMargin;
	
	for( $i=0; $i < $n; ++$i ) {
	    $tmp = $this->iObj[$i]->title->GetColWidth($this->img,$m);
	    $nn = count($tmp);
	    for( $j=0; $j < $nn; ++$j ) {
		if( empty($w[$j]) ) 
		    $w[$j] = $tmp[$j];
		else 
		    $w[$j] = max($w[$j],$tmp[$j]);
	    }
	}
	return $w;
    }

    // Stroke the gantt chart
    function Stroke($aStrokeFileName="") {	

	// If the filename is the predefined value = '_csim_special_'
	// we assume that the call to stroke only needs to do enough
	// to correctly generate the CSIM maps.
	// We use this variable to skip things we don't strictly need
	// to do to generate the image map to improve performance
	// a best we can. Therefor you will see a lot of tests !$_csim in the
	// code below.
	$_csim = ($aStrokeFileName===_CSIM_SPECIALFILE);

	// Should we autoscale dates?

	if( !$this->scale->IsRangeSet() ) {
	    list($min,$max) = $this->GetBarMinMax();
	    $this->scale->SetRange($min,$max);
	}

	$this->scale->AdjustStartEndDay();

	// Check if we should autoscale the image
	$this->AutoSize();

	// Should we start from the top or just spread the bars out even over the
	// available height
	$this->scale->SetVertLayout($this->iLayout);			
	if( $this->iLayout == GANTT_FROMTOP ) {
	    $maxheight=max($this->GetMaxLabelHeight(),$this->GetMaxBarAbsHeight());
	    $this->scale->SetVertSpacing($maxheight*(1+$this->iLabelVMarginFactor));
	}
	// If it hasn't been set find out the maximum line number
	if( $this->scale->iVertLines == -1 ) 
	    $this->scale->iVertLines = $this->GetBarMaxLineNumber()+1; 	
		
	$maxwidth=max($this->scale->actinfo->GetWidth($this->img),
		      max($this->GetMaxLabelWidth(),
		      $this->scale->tableTitle->GetWidth($this->img)));

	$this->scale->SetLabelWidth($maxwidth+$this->scale->divider->iWeight);//*(1+$this->iLabelHMarginFactor));

	if( !$_csim ) {
	    $this->StrokePlotArea();
	    if( $this->iIconDepth == DEPTH_BACK ) {
		$this->StrokeIcons();
	    }
	}

	$this->scale->Stroke();

	if( !$_csim ) {
	    // Due to a minor off by 1 bug we need to temporarily adjust the margin
	    $this->img->right_margin--;
	    $this->StrokePlotBox();
	    $this->img->right_margin++;
	}

	// Stroke Grid line
	$this->hgrid->Stroke($this->img,$this->scale);

	$n = count($this->iObj);
	for($i=0; $i < $n; ++$i) {
	    //$this->iObj[$i]->SetLabelLeftMargin(round($maxwidth*$this->iLabelHMarginFactor/2));
	    $this->iObj[$i]->Stroke($this->img,$this->scale);
	}

	$this->StrokeTitles();

	if( !$_csim ) {
	    $this->StrokeConstrains();
	    $this->footer->Stroke($this->img);


	    if( $this->iIconDepth == DEPTH_FRONT) {
		$this->StrokeIcons();
	    }

	    // Should we do any final image transformation
	    if( $this->iImgTrans ) {
		if( !class_exists('ImgTrans',false) ) {
		    require_once('jpgraph_imgtrans.php');
		}
	    
		$tform = new ImgTrans($this->img->img);
		$this->img->img = $tform->Skew3D($this->iImgTransHorizon,$this->iImgTransSkewDist,
						 $this->iImgTransDirection,$this->iImgTransHighQ,
						 $this->iImgTransMinSize,$this->iImgTransFillColor,
						 $this->iImgTransBorder);
	    }
	    
	    
	    // If the filename is given as the special "__handle"
	    // then the image handler is returned and the image is NOT
	    // streamed back
	    if( $aStrokeFileName == _IMG_HANDLER ) {
		return $this->img->img;
	    }
	    else {
		// Finally stream the generated picture					
		$this->cache->PutAndStream($this->img,$this->cache_name,$this->inline,
					   $aStrokeFileName);		
	    }
	}
    }

    function StrokeConstrains() {
	$n = count($this->iObj);

	// Stroke all constrains
	for($i=0; $i < $n; ++$i) {

	    // Some gantt objects may not have constraints associated with them
	    // for example we can add IconPlots which doesn't have this property.
	    if( empty($this->iObj[$i]->constraints) ) continue;

	    $numConstrains = count($this->iObj[$i]->constraints);

	    for( $k = 0; $k < $numConstrains; $k++ ) {
		$vpos = $this->iObj[$i]->constraints[$k]->iConstrainRow;
		if( $vpos >= 0 ) {
		    $c1 = $this->iObj[$i]->iConstrainPos;

		    // Find out which object is on the target row
		    $targetobj = -1;
		    for( $j=0; $j < $n && $targetobj == -1; ++$j ) {
			if( $this->iObj[$j]->iVPos == $vpos ) {
			    $targetobj = $j;
			}
		    }
		    if( $targetobj == -1 ) {
			JpGraphError::RaiseL(6008,$this->iObj[$i]->iVPos,$vpos);
//('You have specifed a constrain from row='.$this->iObj[$i]->iVPos.' to row='.$vpos.' which does not have any activity.');
		    }
		    $c2 = $this->iObj[$targetobj]->iConstrainPos;
		    if( count($c1) == 4 && count($c2 ) == 4) {
			switch( $this->iObj[$i]->constraints[$k]->iConstrainType ) {
			    case CONSTRAIN_ENDSTART:
				if( $c1[1] < $c2[1] ) {
				    $link = new GanttLink($c1[2],$c1[3],$c2[0],$c2[1]);
				}
				else {
				    $link = new GanttLink($c1[2],$c1[1],$c2[0],$c2[3]);
				}
				$link->SetPath(3);
				break;
			    case CONSTRAIN_STARTEND:
				if( $c1[1] < $c2[1] ) {
				    $link = new GanttLink($c1[0],$c1[3],$c2[2],$c2[1]);
				}
				else {
				    $link = new GanttLink($c1[0],$c1[1],$c2[2],$c2[3]);
				}
				$link->SetPath(0);
				break;
			    case CONSTRAIN_ENDEND:
				if( $c1[1] < $c2[1] ) {
				    $link = new GanttLink($c1[2],$c1[3],$c2[2],$c2[1]);
				}
				else {
				    $link = new GanttLink($c1[2],$c1[1],$c2[2],$c2[3]);
				}
				$link->SetPath(1);
				break;
			    case CONSTRAIN_STARTSTART:
				if( $c1[1] < $c2[1] ) {
				    $link = new GanttLink($c1[0],$c1[3],$c2[0],$c2[1]);
				}
				else {
				    $link = new GanttLink($c1[0],$c1[1],$c2[0],$c2[3]);
				}
				$link->SetPath(3);
				break;
			    default:
				JpGraphError::RaiseL(6009,$this->iObj[$i]->iVPos,$vpos);
//('Unknown constrain type specified from row='.$this->iObj[$i]->iVPos.' to row='.$vpos);
				break;
			}

			$link->SetColor($this->iObj[$i]->constraints[$k]->iConstrainColor);
			$link->SetArrow($this->iObj[$i]->constraints[$k]->iConstrainArrowSize,
					$this->iObj[$i]->constraints[$k]->iConstrainArrowType);
 
			$link->Stroke($this->img);
		    }
		}
	    }
	}
    }

    function GetCSIMAreas() {
	if( !$this->iHasStroked )
	    $this->Stroke(_CSIM_SPECIALFILE);
 
	$csim = $this->title->GetCSIMAreas();
	$csim .= $this->subtitle->GetCSIMAreas();
	$csim .= $this->subsubtitle->GetCSIMAreas();

	$n = count($this->iObj);
	for( $i=$n-1; $i >= 0; --$i ) 
	    $csim .= $this->iObj[$i]->GetCSIMArea();
	return $csim;
    }
}

//===================================================
// CLASS PredefIcons
// Description: Predefined icons for use with Gantt charts
//===================================================
DEFINE('GICON_WARNINGRED',0);
DEFINE('GICON_TEXT',1);
DEFINE('GICON_ENDCONS',2);
DEFINE('GICON_MAIL',3);
DEFINE('GICON_STARTCONS',4);
DEFINE('GICON_CALC',5);
DEFINE('GICON_MAGNIFIER',6);
DEFINE('GICON_LOCK',7);
DEFINE('GICON_STOP',8);
DEFINE('GICON_WARNINGYELLOW',9);
DEFINE('GICON_FOLDEROPEN',10);
DEFINE('GICON_FOLDER',11);
DEFINE('GICON_TEXTIMPORTANT',12);

class PredefIcons {
    private $iBuiltinIcon = null, $iLen = -1 ;

    function GetLen() {
	return $this->iLen ; 
    }

    function GetImg($aIdx) {
	if( $aIdx < 0 || $aIdx >= $this->iLen ) {
	    JpGraphError::RaiseL(6010,$aIdx);
//('Illegal icon index for Gantt builtin icon ['.$aIdx.']');
	}
	return Image::CreateFromString(base64_decode($this->iBuiltinIcon[$aIdx][1]));   
    }

    function PredefIcons() {
	//==========================================================
	// warning.png
	//==========================================================
	$this->iBuiltinIcon[0][0]= 1043 ;
	$this->iBuiltinIcon[0][1]= 
	    'iVBORw0KGgoAAAANSUhEUgAAACAAAAAgCAYAAABzenr0AAAABmJLR0QA/wD/AP+gvaeTAAAACXBIWXMAAAsSAAALEgHS3X78AAAA'.
	    'B3RJTUUH0wgKFSgilWPhUQAAA6BJREFUeNrtl91rHFUYh5/3zMx+Z5JNUoOamCZNaqTZ6IWIkqRiQWmi1IDetHfeiCiltgXBP8AL'.
	    '0SIUxf/AvfRSBS9EKILFFqyIH9CEmFZtPqrBJLs7c+b1YneT3WTTbNsUFPLCcAbmzPt73o9zzgzs2Z793231UOdv3w9k9Z2uzOdA'.
	    '5+2+79yNeL7Hl7hw7oeixRMZ6PJM26W18DNAm/Vh7lR8fqh97NmMF11es1iFpMATqdirwMNA/J4DpIzkr5YsAF1PO6gIMYHRdPwl'.
	    'oO2elmB+qH3sm7XozbkgYvy8SzYnZPtcblyM6I+5z3jQ+0vJfgpEu56BfI9vUkbyi2HZd1QJoeWRiAjBd4SDCW8SSAOy6wBHMzF7'.
	    'YdV2A+ROuvRPLfHoiSU0EMY/cDAIhxJeGngKaN1VgHyPL7NBxI1K9P4QxBzw3K1zJ/zkG8B9uwaQ7/HNsRZv9kohBGD0o7JqMYS/'.
	    '/ynPidQw/LrBiPBcS/yFCT95DvB2BWAy4575PaQbQKW+tPd3GCItu2odKI++YxiKu0d26oWmAD7paZU/rLz37VqIijD2YbnzNBBE'.
	    'IBHf8K8qjL7vYhCGErEU8CTg3xXAeMp96GrJEqkyXkm9Bhui1xfsunjdGhcYLq+IzjsGmBt5YH/cmJkFq6gIqlon3u4LxdKGuCIo'.
	    'Qu41g0E41po+2R33Xt5uz9kRIB2UTle7PnfKrROP1HD4sRjZlq0lzhwoZ6rDNeTi3nEg1si/7FT7kYQbXS6E5E65tA5uRF9tutq0'.
	    'K/VwAF+/FbIYWt6+tjQM/AqUms7A4Wy6d7YSfSNxgMmzi0ycWWworio4QJvj4LpuL5BqugTnXzzqJsJwurrlNhJXFaavW67NRw3F'.
	    'q+aJcCQVe9fzvJGmAY7/dPH0gi0f64OveGxa+usCuQMeZ0+kt8BVrX+qPO9Bzx0MgqBvs+a2PfDdYIf+WAjXU1ub4tqNaPPzRs8A'.
	    'blrli+WVn79cXn0cWKl+tGx7HLc7pu3CSmnfitL+l1UihAhwjFkPQev4K/fSABjBM8JCaFuurJU+rgW41SroA8aNMVNAFtgHJCsn'.
	    'XGy/58QVxAC9MccJtZ5kIzNlW440WrJ2ea4YPA9cAooA7i0A/gS+iqLoOpB1HOegqrYB3UBmJrAtQAJwpwPr1Ry92wVlgZsiYlW1'.
	    'uX1gU36dymgqYxJIJJNJT1W9QqHgNwFQBGYqo94OwHZQUuPD7ACglSvc+5n5T9m/wfJJX4U9qzEAAAAASUVORK5CYII=' ; 

	//==========================================================
	// edit.png
	//==========================================================
	$this->iBuiltinIcon[1][0]= 959 ;
	$this->iBuiltinIcon[1][1]= 
	    'iVBORw0KGgoAAAANSUhEUgAAABYAAAAWCAYAAADEtGw7AAAABGdBTUEAALGPC/xhBQAAAAZiS0dEAFgAWABY9j+ZuwAAAAlwSFlz'.
	    'AAALEAAACxABrSO9dQAAAAd0SU1FB9AKDAwbIEXOA6AAAAM8SURBVHicpdRPaBxlHMbx76ZvsmOTmm1dsEqQSIIsEmGVBAQjivEQ'.
	    'PAUJngpWsAWlBw8egpQepKwplN4ULEG9CjkEyUFKlSJrWTG0IU51pCsdYW2ncUPjdtp9Z+f3vuNhu8nKbmhaf5cZeGc+PO8zf1Lc'.
	    'm0KhkACICCKCMeaBjiLC0tLSnjNvPmuOHRpH0TZTU1M8zBi9wakzn7OFTs5sw8YYACYmJrre7HkeuVyu69qPF77hlT1XmZ0eQ03O'.
	    'wOLJTvhBx1rLz18VmJ0eY+jVd2FxDkKXnvYLHgb97OgLzE4ON9Hzc1B1QaQzsed5O0Lta3Ec89OnR5h5McfQ+Mw2qgQUnfBOPbZ3'.
	    'bK3l+xOvMT0+3ERLp5FNF6UEjcL32+DdVmGt5WLhDYYPZrbRqreFumXwql0S3w9tnDvLWD5PZigPpdOwuYpSCo3C8wU3UHxQdHbf'.
	    'cZIkNM6dxcnlUM4k1eUFMlUPpUADbpkttFarHe6oYqeOr6yt4RzMQHYUcUsQVtGicHDwKprViuLDkkOtVnsHCHZVRVy/zcj1i5Af'.
	    'h8AjdIts+hUcGcYPK3iBtKM3gD/uAzf/AdY2mmmVgy6X8YNNKmGIvyloPcB8SUin07RQ4EZHFdsdG0wkJEnEaHAJxvKEpSLeaokV'.
	    'r4zWmhUZYLlY4b1D03y5eIEWCtS7vsciAgiIxkQRabWOrlQor66y4pUphoJb1jiO4uO5o0S3q6RSqVbiOmC7VCEgAhLSaDQ48dH7'.
	    'vD46REY0iysegSjKQciRt99ib7qXwX0O+pG4teM6YKHLB9JMq4mTmF9/+AKA4wvLZByH7OgYL7+UY2qvw/7Bfg5kHiXjJFyv3CGO'.
	    'Y1rof+BW4t/XLiPG0DCGr79d4XzRxRnIMn98huXSTYyJ6et1UNYQhRvcinpJq86H3wGPPPM0iBDd+QffD1g4eZjLvuG7S1Wef26E'.
	    'J7L7eSx7gAHVg7V3MSbi6m/r93baBd6qQjerAJg/9Ql/XrvG0ON1+vv7GH3qSfY5fahUnSTpwZgIEQesaVXRPbHRG/xyJSAxMYlp'.
	    'EOm71HUINiY7mGb95l/8jZCyQmJjMDGJjUmsdCROtZ0n/P/Z8v4Fs2MTUUf7vYoAAAAASUVORK5CYII=' ; 

	//==========================================================
	// endconstrain.png
	//==========================================================
	$this->iBuiltinIcon[2][0]= 666 ;
	$this->iBuiltinIcon[2][1]= 
	    'iVBORw0KGgoAAAANSUhEUgAAABYAAAAWCAYAAADEtGw7AAAABGdBTUEAALGPC/xhBQAAAAZiS0dEAP8A/wD/oL2nkwAAAAlwSFlz'.
	    'AAALDwAACw8BkvkDpQAAAAd0SU1FB9ALEREILkh0+eQAAAIXSURBVHictZU9aFNRFMd/N81HX77aptJUWmp1LHRpIcWhg5sIDlUQ'.
	    'LAXB4t7RRUpwEhy7iQ46CCIoSHcl0CFaoVARU2MFMYktadLXJNok7x2HtCExvuYFmnO4w/3gx+Gc/z1HKRTdMEdXqHbB/sgc/sic'.
	    'nDoYAI8XwDa8o1RMLT+2hAsigtTvbIGVqhX46szUifBGswUeCPgAGB7QeLk0X4Ork+HOxo1VgSqGASjMqkn8W4r4vVtEgI/RRQEL'.
	    'vaoGD85cl5V3nySR/S1mxWxab7f35PnntNyMJeRr9kCMqiHTy09EoeToLwggx6ymiMOD/VwcD7Oa/MHkcIiQx026WGYto5P/U+ZZ'.
	    '7gD0QwDuT5z9N3LrVPi0Xs543eQPKkRzaS54eviJIp4tMFQFMllAWN2qcRZHBnixNM8NYD162xq8u7ePSQ+GX2Pjwxc2dB2cLtB8'.
	    '7GgamCb0anBYBeChMtl8855CarclxU1gvViiUK4w2OMkNDnGeJ8bt9fH90yOnOkCwLFTwhzykhvtYzOWoBBbY//R3dbaNTYhf2RO'.
	    'QpeuUMzv188MlwuHy0H13HnE48UzMcL0WAtUHX8OxZHoG1URiFw7rnLLCswuSPD1ulze/iWjT2PSf+dBXRFtVVGIvzqph0pQL7VE'.
	    'avXYaXXxPwsnt0imdttCocMmZBdK7YU9D8wuNOW0nXc6QWzPsSa5naZ1beb9BbGB6dxGtMnXAAAAAElFTkSuQmCC' ; 

	//==========================================================
	// mail.png
	//==========================================================
	$this->iBuiltinIcon[3][0]= 1122 ;
	$this->iBuiltinIcon[3][1]= 
	    'iVBORw0KGgoAAAANSUhEUgAAABYAAAAWCAYAAADEtGw7AAAABGdBTUEAALGPC/xhBQAAAAZiS0dEAP8A/wD/oL2nkwAAAAlwSFlz'.
	    'AAALEAAACxABrSO9dQAAAAd0SU1FB9AJHAMfFvL9OU8AAAPfSURBVHictZRdaBRXFMd/987H7tbNx8aYtGCrEexDsOBDaKHFxirb'.
	    'h0qhsiY0ykppKq1osI99C4H2WSiFFMHWUhXBrjRi0uCmtSEUGgP1QWqhWjGkoW7M1kTX3WRn5p4+TJJNGolQ6IXDnDtz+N0z/3PP'.
	    'UWBIpdpYa23b9g09PZ2kUrOrvmUyGVKp1Ao/mUyi56YnVgWfO/P1CihAd/dJMpmaNROIRq8BkM1m0bH6TasC3j6QXgFdXI+DR6PR'.
	    'JX/Pno8B+KLnMKqlpUU8z8MYs2RBEDzWf9J+0RcRbMdxGBsbw/fmCXwPMUEYID4iAVp8wIRmDIHMo4yHSIBSASKC+CWE0C/PF9jU'.
	    '3B6Cp+4M07C5FUtKGNvGwQJctPgIsgD2wRhEIqAMGB+UQYkHJgYYZD7P1HwVlmWhHcfhyk83KeRGUW4t6CgoG5SNUS4KBWgQDUov'.
	    '7AGlwYASBVqH0Bk49dXpCviVV3dw/tI1Bvr7kMIIlh0NYUpjlF0BAYvcxSXmEVLKceHSCJm+PnbueBHbtkNwTXUNBzo6aGpq4sSZ'.
	    'GwT5H7BsF6Wdf1GWHQAoM0upeI9PT1yioS7B7tdaSdSuw7KsUGMAy7HYsmUztTW1nMwM0txssX1rlHjjS5jy/Uq2YkK/eJuLl6/z'.
	    'x+1xkslW6mrixGIODx8EFSlEBC0+tmXT0NhA2763iEUjnLv4C8XpUbSbAB1mKkGJ3J83Od77HW5EszvZSqK2iljMIeJaRGNuJePF'.
	    '6mspY7BJ1DXwQnCd2fxGRq5OUCz8xt72dyhMZcn++Cu3xu9SKhdp2b4ZHWnAtTSxmIWlhcIjlksR3lNBYzlxZsb7+f7ne+xtSzOd'.
	    'u83szH1OnThOPp/n+a0beeP1l4mvq+PU2Qyd+5PY1RuwlAqLYFaBfbTbyPSdfgaH77A//QF4f1O/vpr6RJyq+C5Kc/M8FbFxXItY'.
	    'xOHDrvfo/fxLDnbsJBp5BowBReVWYAzabeTh5ABDw7cWoNNL3YYYNtSv57lnn6Z+Qx01VeuIuBa2DV1HD3H63BAPZu4u1WGpeLHq'.
	    'Rh7+NcjA0O+0p4+CNwXigwnbWlQQdpuEpli+n+PIkcOc//YKuckJJFh2K2anrjFw+QZt6S6kPImIF/b+cqAJD1LihWAxC61twBTo'.
	    'fPcQF/oGsVW5ovHQlavs2/8+uYnRVSOUgHAmmAClBIOBwKC0gPjhIRgEIX2wg7NnwpZW3d3d4vs+vu8TBMGK51rvPM9b8hdteZxd'.
	    'LBbVR8feJDs0Rlv6GFKeXJ21rNRXESxMPR+CBUl0nN7PjtO+dye7Up/8v1I88bf/ixT/AO1/hZsqW+C6AAAAAElFTkSuQmCC' ; 

	//==========================================================
	// startconstrain.png
	//==========================================================
	$this->iBuiltinIcon[4][0]= 725 ;
	$this->iBuiltinIcon[4][1]= 
	    'iVBORw0KGgoAAAANSUhEUgAAABYAAAAWCAYAAADEtGw7AAAABGdBTUEAALGPC/xhBQAAAAZiS0dEAP8A/wD/oL2nkwAAAAlwSFlz'.
	    'AAALDgAACw4BQL7hQQAAAAd0SU1FB9ALEREICJp5fBkAAAJSSURBVHic3dS9a1NRGMfx77kxtS+xqS9FG6p1ER3qVJpBQUUc3CRU'.
	    'BwURVLB1EAuKIP0THJQiiNRJBK3iJl18AyeltRZa0bbaJMbUNmlNSm5e7s25j0NqpSSmyag/OMM9POdzDuflwn8djz8gClVRrVEV'.
	    'ur4Bl1FTNSzLrSS6vbml0jUUwSXj8Qfk3PkLtLW2AeBIybmrgz3+gFzpucjlE4f4btuFTuWuCF5XDr3a3UPf6cM8GQvxzbsRAJdh'.
	    'ScfxSywml5j7mVypN0eGEJ0tebIre+zxB6Tv7jPReS2hREpOvpmUXU+H5eC913JnNCSRVE60pUVbWoZjprR39Yq70bdqj4pW7PEH'.
	    '5FpvL9e79jOTTHM7ssDL6CJZ08LbvAGnrpZg2mI2Z/MlZfN8IkxuSwu4V9+WIrj7zFlOHfXzKrLIi2SGh5ECKjnNVNxkQEc55vOw'.
	    'rb6O8JLFdHyJ+ayFElUeHvjwkfteL/V7fKTSkFvIQE4DoLI2Mz/muTkTApcBKIwaN8pwIUrKw+ajWwDknAO0d/r4zFaMuRS63sWm'.
	    'RoOdm+vRIriUYjKexrQV+t1o0YEVwfZSVJmD/dIABJuO0LG3lRFx0GOfiAELE9OgCrfU0XnIp5FwGLEy5WEAOxlR5uN+ARhP7GN3'.
	    '5w7Gv4bQI2+xpt4jjv2nWBmIlcExE2vDAHYioszBZXw6CPE4ADoWVHmd/tuwlZR9eXYyoszBfpiNQqaAOU5+TXRN+DeeenADPT9b'.
	    'EVgKVsutKPl0TGWGhwofoquaoKK4apsq/tH/e/kFwBMXLgAEKK4AAAAASUVORK5CYII=' ; 

	//==========================================================
	// calc.png
	//==========================================================
	$this->iBuiltinIcon[5][0]= 589 ;
	$this->iBuiltinIcon[5][1]= 
	    'iVBORw0KGgoAAAANSUhEUgAAABYAAAAWCAYAAADEtGw7AAAABGdBTUEAALGPC/xhBQAAAAZiS0dEAA4AIwBbgMF12wAAAAlwSFlz'.
	    'AAALEQAACxEBf2RfkQAAAAd0SU1FB9AHBxQeFsqn0wQAAAHKSURBVHicnZWff+RAGIef3U/gcOEgUAgUCgcLhYXCwsHBQeGgUDgs'.
	    'FgMHB4VA/4Bg4XChWFgIFIqBwkJhsRAYeOGF+TQHmWSTTbKd9pU37/x45jvfTDITXEynAbdWKVQB0NazcVm0alcL4rJaRVzm+w/e'.
	    '3iwAkzbYRcnnYgI04GCvsxxSPabYaEdt2Ra6D0atcvvvDmyrMWBX1zPq2ircP/Tk98DiJtjV/fim6ziOCL6dDHZNhxQ3arIMsox4'.
	    'vejleL2Ay9+jaw6A+4OSICG2cacGKhsGxg+CxeqAQS0Y7BYJvowq7iGMOhXHEfzpvpQkA9bLKgOgWKt+4Lo1mM9hs9m17QNsJ70P'.
	    'Fjc/O52joogoX8MZKiBiAFxd9Z1vcj9wfSpUlDRNMcYQxzFpmnJ0FPH8nDe1MQaWSz9woQpWSZKEojDkeaWoKAyr1tlu+s48wfVx'.
	    'u7n5i7jthmGIiEGcT+36PP+gFeJrxWLhb0UA/lb4ggGs1T0rZs0zwM/ZjNfilcIY5tutPxgOW3F6dUX464LrKILLiw+A7WErrl+2'.
	    'rABG1EL/BilZP8DjU2uR4U+2E49P1Z8QJmNXUzl24A9GBT0IruCfi86d9x+D12RGzt+pNAAAAABJRU5ErkJggg==' ; 

	//==========================================================
	// mag.png
	//==========================================================
	$this->iBuiltinIcon[6][0]= 1415 ;
	$this->iBuiltinIcon[6][1]= 
	    'iVBORw0KGgoAAAANSUhEUgAAABYAAAAWCAYAAADEtGw7AAAABGdBTUEAALGPC/xhBQAAAAZiS0dEAP8A/wD/oL2nkwAAAAlwSFlz'.
	    'AAALDAAACwwBP0AiyAAAAAd0SU1FB9ALDxEWDY6Ul+UAAAUESURBVHicdZVrbFRFGIafsyyF0nalV1R6WiggaAptlzsr1OgEogmC'.
	    '0IgoBAsBgkIrBAPEhBj/AP6xRTCUFEwRI4jcgsitXMrFCJptJWvBNpXYbbXtbtttt6e7e86ec/yxadlCfZPJZDIz73zzzjfvR2VL'.
	    'F7U+hf0HD2JduIzTFy6SlJRkPtkcDgdCCE65OxFC8NPV6wghyM7OptankJ2dzbSC5QghEEIgCSHog9PpNAF27dlN6miZuPgElB4/'.
	    'nmY3O7ZtByA1NVUCkGWZweD1eklJScESTbqxuIjrd+/x6uIl5M19hSy7nfGOeUxf+g7VjU1sKi7C4/GYsiyz7tAJAD4/cRaA1tZW'.
	    'AHIPnECUVGD1+/3U19ebG4uLeHf1akamjsIwoVnVCOvQEdLoVILYYmMo3PIxSBJflpSaDX5FAmju1QAYv/8k/s8+wLVxOU0jR2LZ'.
	    '8sMFAApWrCApbRRDrRZirBYSLBKaoRPQw3SFernf2sav7T0Ubt4KwL4FMwF4Vu8FoHBCKgCzDhwHwLIhZ7y5a89u4m2JhA0wTdDC'.
	    'OrphEjJMNElCHxKDEjaobmvlfo/Krj27CQQCJsCGJW8C0KXqAMxMiosQA8hZWcTFx9OsaniDKh1qmG7VoFsL0x0K06kbeAMhWpRe'.
	    '/KpG+gwHAKUnz7Dz3BUMw6DK18nuw99wt0Nh6VdHI8RJicmETQgFg7SFwjSrGv+oKp6ghldV6dZ0ugJBlF6FmCESQ2w2AIqXLsan'.
	    'BrFYLJTnTCBrdBqveeopWZiPFaBHUegJhegMqGgxEkHDwB/UaQ9rdIV06v0+TD2EEQjQFtAY0dsNgNvt5sialQAIIXh7wQKuVf6J'.
	    'gTsSccPDWlQstClBGjr9eHpVWvUQncEwdYEedF8noQ4vmYmpZMTH0nTvDn25vLbrNmu7bvfnsYEbAMnhcPDgwQPzUo2LJusw/mhp'.
	    'QwlHNO0KBAnoIfxtrcQMT2De1Mm891wyUzNlUlJSpIyMDBobGzlzr5rFM/Koq6vrP8ASGxsLwPmKcvIShjPGZiPOakE3VFB8hHwd'.
	    'vJAxhrk5L7Ly+RQuH/sWgPdXrwFg/6HDFBUsIj09nehfbAWwPWOT9n5RYhqGwarNWxkRM5TRCfF4U1PQsDDJFk9uYhwXvzvKjm3b'.
	    'KSsro3DJInNW5RXp7u2bAKSlpeH1esnPz6eqqgqLpmmcr3Fht9ulfaV7mZk1Bs+lM6T1djM9fhg5egDPpTNMy5TZsW07kydPYdWM'.
	    'aXx96ixOp9O8cfUa80srmDpjOgAulytiQqZpMnvObLbt/JTtHxXj9/tRVdU0DGOAufRpevPDTeac0hJyc3NxOOawfv161lVWS6eX'.
	    'z+9/UOCxu1VWVvaTRGv16NFfjB2bNeAQp9NpTpmSM4DcbrdL0WsGDKLRR+52uwe1yP8jb2lpYfikyY9t80n03UCWZeaXVjw1f+zs'.
	    'Oen+/d+pqanhzp2fKSsrw+l0mi6XiyPl5ZGITdN8fAVJwjRNJEmi1qfw1kw7siyTnJxMe3s71dXV3GpoZO64DG41NPJylvxU5D/e'.
	    'qJKsfWQD9IkaZ2RmUvr9aV4aGYcQgjfO3aWoYBF5eXm4ewIsu/CbdPz1aWb0/p1bNoOrQxlUiuiaFo3c3FyEEOx9+C9CCD6paaTW'.
	    'p/TXyYkTJ0Xe59jf7QOyAKDWp/QXxcFQ61P4pT3ShBBcvnUHIQTjxmX19/8BCeVg+/GPpskAAAAASUVORK5CYII=' ; 

	//==========================================================
	// lock.png
	//==========================================================
	$this->iBuiltinIcon[7][0]= 963 ;
	$this->iBuiltinIcon[7][1]= 
	    'iVBORw0KGgoAAAANSUhEUgAAABYAAAAWCAYAAADEtGw7AAAABGdBTUEAALGPC/xhBQAAAAZiS0dEAAAAAAAA+UO7fwAAAAlwSFlz'.
	    'AAALCwAACwsBbQSEtwAAAAd0SU1FB9AKAw0XDmwMOwIAAANASURBVHic7ZXfS1t3GMY/3+PprI7aisvo2YU6h6ATA8JW4rrlsF4U'.
	    'qiAsF9mhl0N2cYTRy9G/wptAYWPD9iJtRy5asDe7cYFmyjaXOLaMImOrmkRrjL9yTmIS3120JybWQgfb3R74wuc8Lzw858vLOUpE'.
	    'OK6pqSm2trbY39+nu7tbPHYch7m5OcLhMIA67kWj0aMQEWk6tm17rNm2LSIie3t7ksvlJJ1OSyqVkls3Z8SyLMnlcqTTaVKpFLdu'.
	    'zmBZVj1HeY2VUti2TSQSQSml2bZdi0QirK2tMT09zerqKtlslqGhISYnJ4nHv2N+foFsNquOe9FotLlxOBwmk8lgWRbhcFgymYxY'.
	    'liUi0mqaJoAuIi2macrdO7fFsizx3to0Te7euV1vrXtXEgqFmJmZYWVlhXK5LB4/U9kwDL784kYV0A3DYHd3m4sXRymXywKoRi8U'.
	    'Ch01DgQCJBIJLMsiEAhIIpHw2uLz+eqtYrEYIqKZpimxWEyCwaCMjY01zYPBIJpXqVQqsby8TLVabWKA/v5+RkZGMAyDrq4ulFKH'.
	    'HsfjcWZnZ+ns7KTRqwcnk0mKxSKFQqGJlVKtruuSTCYB6O3trW9UI/v9/iZPB/j8s2HOnX0FgHfeXpeffnzK+fWf+fijvhLs0PtG'.
	    'D/n1OJ9+MsrlSwb3733DwMCAt1EyPj6uACYmJp56168NU6nUqFSE9nZdPE7+WqC/r4NKTagcCJVqDaUUB5VDAA4Pa9x7sMLlSwan'.
	    'WjRmv13D7/erpaWlo604qOp88OF7LC48rPNosMq5Th+Dgxd4/XyA1rbzADi7j8jnf2P++wdcvSr8MJ/i8eomAKlUqn41OsDAQDeD'.
	    'g++yuPCwzm/2vU8+n2a7sMFfj79mp7BBuVzioFSiXHJx3SKuW2Rzy0Up9dxnQVvODALQerqNRn4ZKe0Mvtc6TpzpmqbxalcY9Ato'.
	    '2v06t515C73YQftZB9GLnDrt4LoujuPgOA4Ui+C6yOpXJwZrJ7r/gv4P/u+D9W7fLxTz+1ScQxrZ3atRLaVxdjbY2d184R6/sLHe'.
	    'opHP7/Do90Ua+WWUyezzZHObP/7cfX54/dowE1d66s8TV3oE+Mfn+L/zb4XmHPjRG9YjAAAAAElFTkSuQmCC' ; 

	//==========================================================
	// stop.png
	//==========================================================
	$this->iBuiltinIcon[8][0]= 889 ;
	$this->iBuiltinIcon[8][1]= 
	    'iVBORw0KGgoAAAANSUhEUgAAABYAAAAWCAYAAADEtGw7AAAABGdBTUEAALGPC/xhBQAAAAZiS0dEAAAAAAAA+UO7fwAAAAlwSFlz'.
	    'AAALDwAACw8BkvkDpQAAAAd0SU1FB9AJDwEvNyD6M/0AAAL2SURBVHic1ZTLaxVnGIefb2bO5OScHJN4oWrFNqcUJYoUEgU3/Qf6'.
	    'F7gwCkIrvdBLUtqqiLhSg9bgBduFSHZdiG5ctkJ3xRDbUFwUmghNzBDanPGMkzOX79LFJGPMOSd204U/+Bbzvd/78F4H/ieJdoad'.
	    'pZKxRFszAI/DcP0HazXY22v+HB01kee1PA/v3zfnjx4xgGnHcNZe7OvuNj+cOEF1ZATv5nUA4jhBSgmADCVWo8Ge2Of9wb18P/G7'.
	    'oUXmYi30zqlTVEdGWLh1g2D6MYlKkXGE0Vl8aa2GEB149+4xXSzyoOIw/mimiZV/DPb25pFOj13A9gOMEChhUEqhVYqWKUk9QAUp'.
	    'sT/P4s8PmKlUmNhQaIJbkDVqBbpw6wZ2zUc4Nm+ePku5p4eOrgpueQOFUoVCVxcD4+N07dpF9+5tVJeWGPBjhvr7WF1zC8ASgtcP'.
	    'H8a7eZ1odh4sh50nzwCw9ZNh3M4Stutiu0X2nB/LyjZ6lcIbVTpdQU/jWVPzLADM8+ZGBRdtC7wrF/O7bR99iu26VL86iU4SAH4b'.
	    'Po5d6AQhstMSvGyI4wS5FJBKSRwnzF8byx/u+PjzzMF1mfryQ1K/jnCahqp1xEopjFLoNEFJSRJHzF799gWHqa+/QKcSUXBI609f'.
	    'Al5W4teQSiHDOipNUKnMI13RvnOXAIEKQixvGWya98SC560MFwPiqEG86JM8q79Q06lvhnOndy5/B6GPCUOMUu3BQgg8z0M3GmBZ'.
	    'iGJn3v2VmsqnfzNx7FDueODuj8ROCFpjtG5TCmOYv32bJ09msP0ISydMfnAUgF8/O45RAA6WTPjlvXcB+Gn7FuRf/zAnNX6x3ARe'.
	    'PSdmqL+P/YHkwMGDOGWDZTlQcNBRhPEComgB/YeHfq2InF1kLlXUOkpMbio1bd7aATRD/X0M1lPeSlM2vt2X1XBZjZnpLG2tmZO6'.
	    'LbQVOIcP+HG2UauH3xgwBqOz9Cc3l1tC24Fz+MvUDroeGNb5if9H/1dM/wLPCYMw9fryKgAAAABJRU5ErkJggg==' ; 

	//==========================================================
	// error.png
	//==========================================================
	$this->iBuiltinIcon[9][0]= 541 ;
	$this->iBuiltinIcon[9][1]= 
	    'iVBORw0KGgoAAAANSUhEUgAAACgAAAAoCAMAAAC7IEhfAAAAaVBMVEX//////2Xy8mLl5V/Z2VvMzFi/v1WyslKlpU+ZmUyMjEh/'.
	    'f0VyckJlZT9YWDxMTDjAwMDy8sLl5bnY2K/MzKW/v5yyspKlpYiYmH+MjHY/PzV/f2xycmJlZVlZWU9MTEXY2Ms/PzwyMjLFTjea'.
	    'AAAAAXRSTlMAQObYZgAAAAFiS0dEAIgFHUgAAAAJcEhZcwAACxIAAAsSAdLdfvwAAAAHdElNRQfTCAkUMSj9wWSOAAABLUlEQVR4'.
	    '2s2U3ZKCMAxGjfzJanFAXFkUle/9H9JUKA1gKTN7Yy6YMjl+kNPK5rlZVSuxf1ZRnlZxFYAm93NnIKvR+MEHUgqBXx93wZGIUrSe'.
	    'h+ctEgbpiMo3iQ4kioHCGxir/ZYUbr7AgPXs9bX0BCYM8vN/cPe8oQYzom3tVsSBMVHEoOJ5dm5F1RsIe9CtqGgRacCAkUvRtevT'.
	    'e2pd6vOWF+gCuc/brcuhyARakBU9FgK5bUBWdHEH8tHpDsZnRTZQGzdLVvQ3CzyYZiTAmSIODEwzFCAdJopuvbpeZDisJ4pKEcjD'.
	    'ijWPJhU1MjCo9dkYfiUVjQNTDKY6CVbR6A0niUSZjRwFanR0l9i/TyvGnFdqwStq5axMfDbyBksld/FUumvxS/Bd9VyJvQDWiiMx'.
	    'iOsCHgAAAABJRU5ErkJggg==' ; 

	//==========================================================
	// openfolder.png
	//====…