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File: Chart.php

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  Classes of Tufan Baris YILDIRIM  >  Image Processor (CSS)  >  Chart.php  >  Download  
File: Chart.php
Role: Example script
Content type: text/plain
Description: Example Basic Chart Drawing
Class: Image Processor (CSS)
Draw images defined with CSS like properties
Author: By
Last change: color names. and array indexes.
Date: 3 years ago
Size: 2,537 bytes
 

Contents

Class file image Download
<?php
 
include 'D3Image.php';
 
$image=new D3Image('width:500px;height:300px;background:#eee;');
 
 
$barWidth =25;
 
$barPadding =10;
 
// Bar Colors by Categories.
 
$barColors =array('fast'=>$image->MixColors('red','gray'),
                       
'easy'=>$image->MixColors('blue','gray')
                        );
 
 
$Vars=array(
           
'PHP' =>array('fast'=>rand(0,100),'easy'=>rand(0,100)),
           
'C#' =>array('fast'=>rand(0,100),'easy'=>rand(0,100)),
           
'ASP' =>array('fast'=>rand(0,100),'easy'=>rand(0,100)),
           
'ASPx' =>array('fast'=>rand(0,100),'easy'=>rand(0,100)),
           
'Ruby' =>array('fast'=>rand(0,100),'easy'=>rand(0,100)),
           
'Phyton'=>array('fast'=>rand(0,100),'easy'=>rand(0,100))
        );
  
  
#Find Max ans Set min Val
  
$max=0;
  
$min=0;
   foreach (
$Vars as $lang=>$vars) {
      eval (
'$mx=max('.implode(',',$vars).',0);');
      if (
$mx>$max){
         
$max=$mx;
      }
   }
  
  
# Draw Bars have been compared by height.
  
$bar=0;
   foreach(
$Vars as $lang=>$vars){
      
// Write Main Cateories
      
$image->Write($lang,'font-size:4;color:#000;top:'.($image->height()-35).';left:'.(($bar*($barWidth+$barPadding)+30)+($barWidth/2)));
       foreach (
$vars as $cat=>$val){
         
#Draw Shadow
          
$image->DrawRectangle('height:'.floor(($image->height()-70)*$val/$max-5).';width:'.$barWidth.';color:#AAA;direction:down;top:'.($image->height()-50).';left:'.(($left=($bar*($barWidth+$barPadding)+30))+5).';'); # Shadow
          #Draw Main bar.
          
$image->DrawRectangle('height:'.floor(($image->height()-70)*$val/$max).';width:'.$barWidth.';color:'.$barColors[$cat].';direction:down;top:'.($image->height()-50).';left:'.$left.';');
         
#Write Property(Sub Category Name)
         
$image->Write($cat,'font-size:2;color:#AAA;top:'.($image->height()-50).';left:'.($left+$barWidth/2-(strlen($cat)*imagefontwidth(4))/2));
         
$bar++; # Barnum
      
}
      
$image->DrawLine('#AAA',1,array($left+$barWidth+$barPadding/2,20),array($left+$barWidth+$barPadding/2,$image->height()-50));
    }
  
# Draw Minimum Line
  
$image->DrawLine('#DDD',1,array(0,$image->height()-50),array($image->width(),$image->height()-50));
  
# Draw Maximum Line.
  
$image->DrawLine('#DDD',1,array(0,20),array($image->width(),20));
  
  
#Save To File
  
$image->SaveToFile('chart.png');
  
  
#Output Image to Browser
  
$image->Show();
?>