[Sommaire] [Imprimer]

   1  <?php
   2  include  ("../jpgraph.php");
   3  include  ("../jpgraph_bar.php");
   4  
   5  $datay=array(2,3,5,8,12,6,3);
   6  $datax=array("320x240","640x480","600x800","1024x768","1280x1024(16)","1280x1024(32)",
   7           "1600x1200(32)");
   8  
   9  // Size of graph
  10  $width=300; 
  11  $height=400;
  12  
  13  // Set the basic parameters of the graph 
  14  $graph = new Graph($width,$height,'auto');
  15  $graph->SetScale("textlin");
  16  
  17  // No frame around the image
  18  $graph->SetFrame(false);
  19  
  20  // Rotate graph 90 degrees and set margin
  21  $graph->Set90AndMargin(100,20,50,30);
  22  
  23  // Set white margin color
  24  $graph->SetMarginColor('white');
  25  
  26  // Use a box around the plot area
  27  $graph->SetBox();
  28  
  29  // Use a gradient to fill the plot area
  30  $graph->SetBackgroundGradient('white','lightblue',GRAD_HOR,BGRAD_PLOT);
  31  
  32  // Setup title
  33  $graph->title->Set("Graphic card performance");
  34  $graph->title->SetFont(FF_VERDANA,FS_BOLD,11);
  35  $graph->subtitle->Set("(Non optimized)");
  36  
  37  // Setup X-axis
  38  $graph->xaxis->SetTickLabels($datax);
  39  $graph->xaxis->SetFont(FF_VERDANA,FS_NORMAL,8);
  40  
  41  // Some extra margin looks nicer
  42  $graph->xaxis->SetLabelMargin(10);
  43  
  44  // Label align for X-axis
  45  $graph->xaxis->SetLabelAlign('right','center');
  46  
  47  // Add some grace to y-axis so the bars doesn't go
  48  // all the way to the end of the plot area
  49  $graph->yaxis->scale->SetGrace(20);
  50  
  51  // We don't want to display Y-axis
  52  $graph->yaxis->Hide();
  53  
  54  // Now create a bar pot
  55  $bplot = new BarPlot($datay);
  56  $bplot->SetShadow();
  57  
  58  //You can change the width of the bars if you like
  59  //$bplot->SetWidth(0.5);
  60  
  61  // Set gradient fill for bars
  62  $bplot->SetFillGradient('darkred','yellow',GRAD_HOR);
  63  
  64  // We want to display the value of each bar at the top
  65  $bplot->value->Show();
  66  $bplot->value->SetFont(FF_ARIAL,FS_BOLD,10);
  67  //$bplot->value->SetAlign('left','center');
  68  $bplot->value->SetColor("white");
  69  $bplot->value->SetFormat('%.1f');
  70  $bplot->SetValuePos('max');
  71  
  72  // Add the bar to the graph
  73  $graph->Add($bplot);
  74  
  75  // Add some explanation text
  76  $txt = new Text('Note: Higher value is better.');
  77  $txt->SetPos(190,399,'center','bottom');
  78  $txt->SetFont(FF_ARIAL,FS_NORMAL,8);
  79  $graph->Add($txt);
  80  
  81  // .. and stroke the graph
  82  $graph->Stroke();
  83  ?>