jpgraph.php

来自「通达OA2007SE源代码 非常好的」· PHP 代码 · 共 2,039 行 · 第 1/5 页

class JpgTimer {
    private $start, $idx;	
//---------------
// CONSTRUCTOR
    function JpgTimer() {
	$this->idx=0;
    }

//---------------
// PUBLIC METHODS	

    // Push a new timer start on stack
    function Push() {
	list($ms,$s)=explode(" ",microtime());	
	$this->start[$this->idx++]=floor($ms*1000) + 1000*$s;	
    }

    // Pop the latest timer start and return the diff with the
    // current time
    function Pop() {
	assert($this->idx>0);
	list($ms,$s)=explode(" ",microtime());	
	$etime=floor($ms*1000) + (1000*$s);
	$this->idx--;
	return $etime-$this->start[$this->idx];
    }
} // Class

$gJpgBrandTiming = BRAND_TIMING;
//===================================================
// CLASS DateLocale
// Description: Hold localized text used in dates
//===================================================
class DateLocale {
 
    public $iLocale = 'C'; // environmental locale be used by default
    private $iDayAbb = null, $iShortDay = null, $iShortMonth = null, $iMonthName = null;

//---------------
// CONSTRUCTOR	
    function DateLocale() {
	settype($this->iDayAbb, 'array');
	settype($this->iShortDay, 'array');
	settype($this->iShortMonth, 'array');
	settype($this->iMonthName, 'array');


	$this->Set('C');
    }

//---------------
// PUBLIC METHODS	
    function Set($aLocale) {
	if ( in_array($aLocale, array_keys($this->iDayAbb)) ){ 
	    $this->iLocale = $aLocale;
	    return TRUE;  // already cached nothing else to do!
	}

	$pLocale = setlocale(LC_TIME, 0); // get current locale for LC_TIME
	$res = @setlocale(LC_TIME, $aLocale);
	if ( ! $res ){
	    JpGraphError::RaiseL(25007,$aLocale);
//("You are trying to use the locale ($aLocale) which your PHP installation does not support. Hint: Use '' to indicate the default locale for this geographic region.");
	    return FALSE;
	}
 
	$this->iLocale = $aLocale;
	for ( $i = 0, $ofs = 0 - strftime('%w'); $i < 7; $i++, $ofs++ ){
	    $day = strftime('%a', strtotime("$ofs day"));
	    $day[0] = strtoupper($day[0]);
	    $this->iDayAbb[$aLocale][]= $day[0];
	    $this->iShortDay[$aLocale][]= $day;
	}

	for($i=1; $i<=12; ++$i) {
	    list($short ,$full) = explode('|', strftime("%b|%B",strtotime("2001-$i-01")));
	    $this->iShortMonth[$aLocale][] = ucfirst($short);
	    $this->iMonthName [$aLocale][] = ucfirst($full);
	}
		
	setlocale(LC_TIME, $pLocale);

	return TRUE;
    }


    function GetDayAbb() {
	return $this->iDayAbb[$this->iLocale];
    }
	
    function GetShortDay() {
	return $this->iShortDay[$this->iLocale];
    }

    function GetShortMonth() {
	return $this->iShortMonth[$this->iLocale];
    }
	
    function GetShortMonthName($aNbr) {
	return $this->iShortMonth[$this->iLocale][$aNbr];
    }

    function GetLongMonthName($aNbr) {
	return $this->iMonthName[$this->iLocale][$aNbr];
    }

    function GetMonth() {
	return $this->iMonthName[$this->iLocale];
    }
}

$gDateLocale = new DateLocale();
$gJpgDateLocale = new DateLocale();

//=======================================================
// CLASS Footer
// Description: Encapsulates the footer line in the Graph
//=======================================================
class Footer {
    public $iLeftMargin = 3, $iRightMargin = 3, $iBottomMargin = 3 ;
    public $left,$center,$right;

    function Footer() {
	$this->left = new Text();
	$this->left->ParagraphAlign('left');
	$this->center = new Text();
	$this->center->ParagraphAlign('center');
	$this->right = new Text();
	$this->right->ParagraphAlign('right');
    }

    function SetMargin($aLeft=3,$aRight=3,$aBottom=3) {
	$this->iLeftMargin = $aLeft;
	$this->iRightMargin = $aRight;
	$this->iBottomMargin = $aBottom;
    }

    function Stroke($aImg) {
	$y = $aImg->height - $this->iBottomMargin;
	$x = $this->iLeftMargin;
	$this->left->Align('left','bottom');
	$this->left->Stroke($aImg,$x,$y);

	$x = ($aImg->width - $this->iLeftMargin - $this->iRightMargin)/2;
	$this->center->Align('center','bottom');
	$this->center->Stroke($aImg,$x,$y);

	$x = $aImg->width - $this->iRightMargin;
	$this->right->Align('right','bottom');
	$this->right->Stroke($aImg,$x,$y);
    }
}


//===================================================
// CLASS Graph
// Description: Main class to handle graphs
//===================================================
class Graph {
    public $cache=null;		// Cache object (singleton)
    public $img=null;			// Img object (singleton)
    public $plots=array();	// Array of all plot object in the graph (for Y 1 axis)
    public $y2plots=array();// Array of all plot object in the graph (for Y 2 axis)
    public $ynplots=array();
    public $xscale=null;		// X Scale object (could be instance of LinearScale or LogScale
    public $yscale=null,$y2scale=null, $ynscale=array();
    public $iIcons = array();      // Array of Icons to add to 
    public $cache_name;		// File name to be used for the current graph in the cache directory
    public $xgrid=null;		// X Grid object (linear or logarithmic)
    public $ygrid=null,$y2grid=null; //dito for Y
    public $doframe=true,$frame_color=array(0,0,0), $frame_weight=1;	// Frame around graph
    public $boxed=false, $box_color=array(0,0,0), $box_weight=1;		// Box around plot area
    public $doshadow=false,$shadow_width=4,$shadow_color=array(102,102,102);	// Shadow for graph
    public $xaxis=null;		// X-axis (instane of Axis class)
    public $yaxis=null, $y2axis=null, $ynaxis=array();	// Y axis (instance of Axis class)
    public $margin_color=array(200,200,200);	// Margin color of graph
    public $plotarea_color=array(255,255,255);	// Plot area color
    public $title,$subtitle,$subsubtitle; 	// Title and subtitle(s) text object
    public $axtype="linlin";	// Type of axis
    public $xtick_factor;	// Factot to determine the maximum number of ticks depending on the plot with
    public $texts=null, $y2texts=null;		// Text object to ge shown in the graph
    public $lines=null, $y2lines=null;
    public $bands=null, $y2bands=null;
    public $text_scale_off=0, $text_scale_abscenteroff=-1;	// Text scale in fractions and for centering bars
    public $background_image="",$background_image_type=-1,$background_image_format="png";
    public $background_image_bright=0,$background_image_contr=0,$background_image_sat=0;
    public $image_bright=0, $image_contr=0, $image_sat=0;
    public $inline;
    public $showcsim=0,$csimcolor="red"; //debug stuff, draw the csim boundaris on the image if <>0
    public $grid_depth=DEPTH_BACK;	// Draw grid under all plots as default
    public $iAxisStyle = AXSTYLE_SIMPLE;
    public $iCSIMdisplay=false,$iHasStroked = false;
    public $footer;
    public $csimcachename = '', $csimcachetimeout = 0;
    public $iDoClipping = false;
    public $y2orderback=true;
    public $tabtitle;
    public $bkg_gradtype=-1,$bkg_gradstyle=BGRAD_MARGIN;
    public $bkg_gradfrom='navy', $bkg_gradto='silver';
    public $titlebackground = false;
    public $titlebackground_color = 'lightblue',
	$titlebackground_style = 1,
	$titlebackground_framecolor = 'blue',
	$titlebackground_framestyle = 2,
	$titlebackground_frameweight = 1,
	$titlebackground_bevelheight = 3 ;
    public $titlebkg_fillstyle=TITLEBKG_FILLSTYLE_SOLID;
    public $titlebkg_scolor1='black',$titlebkg_scolor2='white';
    public $framebevel = false, $framebeveldepth = 2 ;
    public $framebevelborder = false, $framebevelbordercolor='black';
    public $framebevelcolor1='white@0.4', $framebevelcolor2='black@0.4';
    public $background_image_mix=100;
    public $background_cflag = '';
    public $background_cflag_type = BGIMG_FILLPLOT;
    public $background_cflag_mix = 100;
    public $iImgTrans=false,
	$iImgTransHorizon = 100,$iImgTransSkewDist=150,
	$iImgTransDirection = 1, $iImgTransMinSize = true,
	$iImgTransFillColor='white',$iImgTransHighQ=false,
	$iImgTransBorder=false,$iImgTransHorizonPos=0.5;
    protected $iYAxisDeltaPos=50;
    protected $iIconDepth=DEPTH_BACK;
    protected $iAxisLblBgType = 0,
	$iXAxisLblBgFillColor = 'lightgray', $iXAxisLblBgColor = 'black',
	$iYAxisLblBgFillColor = 'lightgray', $iYAxisLblBgColor = 'black';
    protected $iTables=NULL;

//---------------
// CONSTRUCTOR

    // aWIdth 		Width in pixels of image
    // aHeight  	Height in pixels of image
    // aCachedName	Name for image file in cache directory 
    // aTimeOut		Timeout in minutes for image in cache
    // aInline		If true the image is streamed back in the call to Stroke()
    //			If false the image is just created in the cache
    function Graph($aWidth=300,$aHeight=200,$aCachedName="",$aTimeOut=0,$aInline=true) {
	GLOBAL $gJpgBrandTiming;
	// If timing is used create a new timing object
	if( $gJpgBrandTiming ) {
	    global $tim;
	    $tim = new JpgTimer();
	    $tim->Push();
	}

	if( !is_numeric($aWidth) || !is_numeric($aHeight) ) {
	    JpGraphError::RaiseL(25008);//('Image width/height argument in Graph::Graph() must be numeric');
	}		

	// Automatically generate the image file name based on the name of the script that
	// generates the graph
	if( $aCachedName=="auto" )
	    $aCachedName=GenImgName();
			
	// Should the image be streamed back to the browser or only to the cache?
	$this->inline=$aInline;
		
	$this->img	= new RotImage($aWidth,$aHeight);

	$this->cache 	= new ImgStreamCache($this->img);
	$this->cache->SetTimeOut($aTimeOut);

	$this->title = new Text();
	$this->title->ParagraphAlign('center');
	$this->title->SetFont(FF_FONT2,FS_BOLD);
	$this->title->SetMargin(3);
	$this->title->SetAlign('center');

	$this->subtitle = new Text();
	$this->subtitle->ParagraphAlign('center');
	$this->subtitle->SetMargin(2);
	$this->subtitle->SetAlign('center');

	$this->subsubtitle = new Text();
	$this->subsubtitle->ParagraphAlign('center');
	$this->subsubtitle->SetMargin(2);
	$this->subsubtitle->SetAlign('center');

	$this->legend = new Legend();
	$this->footer = new Footer();

	// Window doesn't like '?' in the file name so replace it with an '_'
	$aCachedName = str_replace("?","_",$aCachedName);

	// If the cached version exist just read it directly from the
	// cache, stream it back to browser and exit
	if( $aCachedName!="" && READ_CACHE && $aInline )
	    if( $this->cache->GetAndStream($aCachedName) ) {
		exit();
	    }
				
	$this->cache_name = $aCachedName;
	$this->SetTickDensity(); // Normal density

	$this->tabtitle = new GraphTabTitle();
    }
//---------------
// PUBLIC METHODS	
    
    // Enable final image perspective transformation
    function Set3DPerspective($aDir=1,$aHorizon=100,$aSkewDist=120,$aQuality=false,$aFillColor='#FFFFFF',$aBorder=false,$aMinSize=true,$aHorizonPos=0.5) {
	$this->iImgTrans = true;
	$this->iImgTransHorizon = $aHorizon;
	$this->iImgTransSkewDist= $aSkewDist;
	$this->iImgTransDirection = $aDir;
	$this->iImgTransMinSize = $aMinSize;
	$this->iImgTransFillColor=$aFillColor;
	$this->iImgTransHighQ=$aQuality;
	$this->iImgTransBorder=$aBorder;
	$this->iImgTransHorizonPos=$aHorizonPos;
    }

    // Set Image format and optional quality
    function SetImgFormat($aFormat,$aQuality=75) {
	$this->img->SetImgFormat($aFormat,$aQuality);
    }

    // Should the grid be in front or back of the plot?
    function SetGridDepth($aDepth) {
	$this->grid_depth=$aDepth;
    }

    function SetIconDepth($aDepth) {
	$this->iIconDepth=$aDepth;
    }
	
    // Specify graph angle 0-360 degrees.
    function SetAngle($aAngle) {
	$this->img->SetAngle($aAngle);
    }

    function SetAlphaBlending($aFlg=true) {
	$this->img->SetAlphaBlending($aFlg);
    }

    // Shortcut to image margin
    function SetMargin($lm,$rm,$tm,$bm) {
	$this->img->SetMargin($lm,$rm,$tm,$bm);
    }

    function SetY2OrderBack($aBack=true) {
	$this->y2orderback = $aBack;
    }

    // Rotate the graph 90 degrees and set the margin 
    // when we have done a 90 degree rotation
    function Set90AndMargin($lm=0,$rm=0,$tm=0,$bm=0) {
	$lm = $lm ==0 ? floor(0.2 * $this->img->width)  : $lm ;
	$rm = $rm ==0 ? floor(0.1 * $this->img->width)  : $rm ;
	$tm = $tm ==0 ? floor(0.2 * $this->img->height) : $tm ;
	$bm = $bm ==0 ? floor(0.1 * $this->img->height) : $bm ;

	$adj = ($this->img->height - $this->img->width)/2;
	$this->img->SetMargin($tm-$adj,$bm-$adj,$rm+$adj,$lm+$adj);
	$this->img->SetCenter(floor($this->img->width/2),floor($this->img->height/2));
	$this->SetAngle(90);
	if( empty($this->yaxis) || empty($this->xaxis) ) {
	    JpgraphError::RaiseL(25009);//('You must specify what scale to use with a call to Graph::SetScale()');
	}
	$this->xaxis->SetLabelAlign('right','center');
	$this->yaxis->SetLabelAlign('center','bottom');
    }
	
    function SetClipping($aFlg=true) {
	$this->iDoClipping = $aFlg ;
    }

    // Add a plot object to the graph
    function Add($aPlot) {
	if( $aPlot == null )
	    JpGraphError::RaiseL(25010);//("Graph::Add() You tried to add a null plot to the graph.");
	if( is_array($aPlot) && count($aPlot) > 0 )
	    $cl = $aPlot[0];
	else
	    $cl = $aPlot;

	if( $cl instanceof Text ) 
	    $this->AddText($aPlot);
	elseif( $cl instanceof PlotLine )
	    $this->AddLine($aPlot);
	elseif( class_exists('PlotBand',false) && ($cl instanceof PlotBand) )
	    $this->AddBand($aPlot);
	elseif( class_exists('IconPlot',false) && ($cl instanceof IconPlot) )
	    $this->AddIcon($aPlot);
	elseif( class_exists('GTextTable',false) && ($cl instanceof GTextTable) )
	    $this->AddTable($aPlot);
	else
	    $this->plots[] = $aPlot;
    }

    function AddTable($aTable) {
	if( is_array($aTable) ) {
	    for($i=0; $i < count($aTable); ++$i )
		$this->iTables[]=$aTable[$i];
	}
	else {
	    $this->iTables[] = $aTable ;
	}	
    }

    function AddIcon($aIcon) {
	if( is_array($aIcon) ) {
	    for($i=0; $i < count($aIcon); ++$i )
		$this->iIcons[]=$aIcon[$i];
	}
	else {
	    $this->iIcons[] = $aIcon ;
	}