jpgraph.php

极限网络智能办公系统 Office Automation V3.0官方100％源代码.

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

//--------------- 
// 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::Raise('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; 
} 



// 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::Raise('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( $aPlot == null ) 
      JpGraphError::Raise("Graph::Add() You tried to add a null plot to the graph."); 
     if( is_array($aPlot) && count($aPlot) > 0 ) 
      $cl = strtolower(get_class($aPlot[0])); 
     else 
      $cl = strtolower(get_class($aPlot)); 

     if( $cl == 'text' ) 
      $this->AddText($aPlot); 
     elseif( $cl == 'plotline' ) 
      $this->AddLine($aPlot); 
     elseif( $cl == 'plotband' ) 
      $this->AddBand($aPlot); 
     elseif( $cl == 'iconplot' ) 
      $this->AddIcon($aPlot); 
     else 
      $this->plots[] = &$aPlot; 
} 

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

// Add plot to second Y-scale 
function AddY2(&$aPlot) { 
     if( $aPlot == null ) 
      JpGraphError::Raise("Graph::AddY2() You tried to add a null plot to the graph.");      

     if( is_array($aPlot) && count($aPlot) > 0 ) 
      $cl = strtolower(get_class($aPlot[0])); 
     else 
      $cl = strtolower(get_class($aPlot)); 

     if( $cl == 'text' ) 
      $this->AddText($aPlot,true); 
     elseif( $cl == 'plotline' ) 
      $this->AddLine($aPlot,true); 
     elseif( $cl == 'plotband' ) 
      $this->AddBand($aPlot,true); 
     else 
      $this->y2plots[] = &$aPlot; 
} 

// Add plot to second Y-scale 
function AddY($aN,&$aPlot) { 

     if( $aPlot == null ) 
      JpGraphError::Raise("Graph::AddYN() You tried to add a null plot to the graph.");      

     if( is_array($aPlot) && count($aPlot) > 0 ) 
      $cl = strtolower(get_class($aPlot[0])); 
     else 
      $cl = strtolower(get_class($aPlot)); 

     if( $cl == 'text' || $cl == 'plotline' || $cl == 'plotband' ) 
      JpGraph::Raise('You can only add standard plots to multiple Y-axis'); 
     else 
      $this->ynplots[$aN][] = &$aPlot; 
} 

// Add text object to the graph 
function AddText(&$aTxt,$aToY2=false) { 
     if( $aTxt == null ) 
      JpGraphError::Raise("Graph::AddText() You tried to add a null text to the graph.");           
     if( $aToY2 ) { 
      if( is_array($aTxt) ) { 
          for($i=0; $i < count($aTxt); ++$i ) 
           $this->y2texts[]=&$aTxt[$i]; 
      } 
      else 
          $this->y2texts[] = &$aTxt; 
     } 
     else { 
      if( is_array($aTxt) ) { 
          for($i=0; $i < count($aTxt); ++$i ) 
           $this->texts[]=&$aTxt[$i]; 
      } 
      else 
          $this->texts[] = &$aTxt; 
     } 
} 
      
// Add a line object (class PlotLine) to the graph 
function AddLine(&$aLine,$aToY2=false) { 
     if( $aLine == null ) 
      JpGraphError::Raise("Graph::AddLine() You tried to add a null line to the graph.");      

     if( $aToY2 ) { 
      if( is_array($aLine) ) { 
          for($i=0; $i < count($aLine); ++$i ) 
           $this->y2lines[]=&$aLine[$i]; 
      } 
      else 
          $this->y2lines[] = &$aLine; 
     } 
     else { 
      if( is_array($aLine) ) { 
          for($i=0; $i < count($aLine); ++$i ) 
           $this->lines[]=&$aLine[$i]; 
      } 
      else 
          $this->lines[] = &$aLine; 
     } 
} 

// Add vertical or horizontal band 
function AddBand(&$aBand,$aToY2=false) { 
     if( $aBand == null ) 
      JpGraphError::Raise(" Graph::AddBand() You tried to add a null band to the graph."); 

     if( $aToY2 ) { 
      if( is_array($aBand) ) { 
          for($i=0; $i < count($aBand); ++$i ) 
           $this->y2bands[] = &$aBand[$i]; 
      } 
      else 
          $this->y2bands[] = &$aBand; 
     } 
     else { 
      if( is_array($aBand) ) { 
          for($i=0; $i < count($aBand); ++$i ) 
           $this->bands[] = &$aBand[$i]; 
      } 
      else 
          $this->bands[] = &$aBand; 
     } 
} 

function SetBackgroundGradient($aFrom='navy',$aTo='silver',$aGradType=2,$aStyle=BGRAD_FRAME) { 
     $this->bkg_gradtype=$aGradType; 
     $this->bkg_gradstyle=$aStyle; 
     $this->bkg_gradfrom = $aFrom; 
     $this->bkg_gradto = $aTo; 
} 
      
// Set a country flag in the background 
function SetBackgroundCFlag($aName,$aBgType=BGIMG_FILLPLOT,$aMix=100) { 
     $this->background_cflag = $aName; 
     $this->background_cflag_type = $aBgType; 
     $this->background_cflag_mix = $aMix; 
} 

// Alias for the above method 
function SetBackgroundCountryFlag($aName,$aBgType=BGIMG_FILLPLOT,$aMix=100) { 
     $this->background_cflag = $aName; 
     $this->background_cflag_type = $aBgType; 
     $this->background_cflag_mix = $aMix; 
} 


// Specify a background image 
function SetBackgroundImage($aFileName,$aBgType=BGIMG_FILLPLOT,$aImgFormat="auto") { 

     if( $GLOBALS['gd2'] && !USE_TRUECOLOR ) { 
      JpGraphError::Raise("You are using GD 2.x and are trying to use a background images on a non truecolor image. To use background images with GD 2.x you <b>must</b> enable truecolor by setting the USE_TRUECOLOR constant to TRUE. Due to a bug in GD 2.0.1 using any truetype fonts with truecolor images will result in very poor quality fonts."); 
     } 

     // Get extension to determine image type 
     if( $aImgFormat == "auto" ) { 
      $e = explode('.',$aFileName); 
      if( !$e ) { 
          JpGraphError::Raise('Incorrect file name for Graph::SetBackgroundImage() : '.$aFileName.' Must have a valid image extension (jpg,gif,png) when using autodetection of image type'); 
      } 

      $valid_formats = array('png', 'jpg', 'gif'); 
      $aImgFormat = strtolower($e[count($e)-1]); 
      if ($aImgFormat == 'jpeg') { 
          $aImgFormat = 'jpg'; 
      } 
      elseif (!in_array($aImgFormat, $valid_formats) ) { 
          JpGraphError::Raise('Unknown file extension ($aImgFormat) in Graph::SetBackgroundImage() for filename: '.$aFileName); 
      } 
     } 

     $this->background_image = $aFileName; 
     $this->background_image_type=$aBgType;