-- graph.php ---
<?php
/*
===================================
File : image.php
Atuhor : Ruddy J.Suhatril
email : ruddy_js@yahoo.com
http://ruddy.powernet.or.id
Written : 11 September 2001
Last Updated : 12 September 2001
===================================
This app. contains 2 files :
1. graph.php (this file) as class file
2. image.php as image creator
This app. is absolutely free.
If you have any suggestion or question please contact me !!! :)
*/
class row {
var $datanya,$head;
function row(){
$this->datanya=array();
}
function cell($legend,$dat){
$this->datanya[$legend]=$dat;
}
function xp(){
return $this->datanya;
}
}
class phpGraphIt {
var $tabledata,$rowdata,$confdata;
var $series,$imagefile,$rwdata,$version;
function phpGraphIt(){
$this->tabledata=array();
$this->series=array();
$this->imagefile="image.php";
$this->graphtype=0;
$this->confdata=array("x"=>600,
"y"=>400,
"showlegend"=>0,
"showgrid"=>1,
"gridy"=>10);
$this->version="1.0.0";
}
function setgridy($shw){
$this->confdata["gridy"]=$shw;
}
function showgrid($shw){
$this->confdata["showgrid"]=$shw;
}
function showlegend($shw){
$this->confdata["showlegend"]=$shw;
}
function setarea($x,$y){
$this->confdata["x"]=$x;
$this->confdata["y"]=$y;
}
function setType($type){
$this->graphType=$type;
}
function series($data="",$mean){
$this->series[strtolower($data)]=$mean;
}
function xseries($rwdata=""){
$this->rwdata=$rwdata;
$this->tabledata[$rwdata]=array();
$this->rowdata=new row;
}
function cell($legend,$data){
$this->rowdata->cell(strtolower($legend),$data);
$this->tabledata[$this->rwdata]=$this->rowdata->xp();
}
function loadGraph(){
switch($this->graphtype){
default :
$imagefile="image.php";
break;
}
$serdata=base64_encode(serialize($this->series));
$graphdata=base64_encode(serialize($this->tabledata));
$confdata=base64_encode(serialize($this->confdata));
return $imagefile."?graphdata=".$graphdata."&serdata=".$serdata."&confdata=".$confdata;
}
}
?>
-- image.php ---
<?php
/*
===================================
Class : phpGraphIt
Atuhor : Ruddy J.Suhatril
email : ruddy_js@yahoo.com
http://ruddy.powernet.or.id
Written : 11 September 2001
Last Updated : 12 September 2001
===================================
This app. contains 2 files :
1. graph.php as class file
2. image.php (this file) as image creator
This app. absolutely free.
If you have any suggestion or question please contact me,
*/
if((!empty($graphdata))&&(!empty($serdata))){
$dataser=unserialize(base64_decode($serdata));
$datagraph=unserialize(base64_decode($graphdata));
$dataconf=unserialize(base64_decode($confdata));
foreach($dataconf as $key=>$val){
$$key=$val;
}
$minx=50;
$maxy=30;
$maxx=$x-50;
$miny=$y-50;
$fonty=1;
$fontx=1;
$lnglegend=4;
header("Content-type: image/jpeg");
$im=imagecreate($x,$y);
$color[1]=imagecolorallocate($im,0,0,124);
$color[3]=imagecolorallocate($im,255,0,255);
$color[2]=imagecolorallocate($im,0,255,255);
$color[4]=imagecolorallocate($im,150,0,255);
$color[5]=imagecolorallocate($im,150,55,55);
$white=imagecolorallocate($im,255,255,255);
$black=imagecolorallocate($im,0,0,0);
imagefill($im,0,0,$white);
//Serach criteria for maxseries and maksimum value
$maxdata=0;
$maxseries=0;
$maxrowdata=1;
foreach($datagraph as $dat){
$mindata=min($dat);
ksort($dat);
$i=0;
foreach($dat as $key=>$val){
$i++;
if($maxdata<=$val) $maxdata=$val;
}
if($maxseries<=$i) $maxseries=$i;
$maxrowdata++;
}
//Process to create grid y
$vy=$miny;
$vx=$minx;
$vx0=$minx-1;
$vx1=$minx+1;
$maxyxis=$miny-$maxy;
$county=round($maxyxis/$gridy);
$grd=$maxdata/$gridy;
imageline($im,$minx,$miny,$maxx,$miny,$black);
for($i=0;$i<=$gridy;$i++){
if($showgrid){
imagedashedline($im,$minx,$vy,$maxx,$vy,$black);
}
$vy0=$vy-1;
$vy1=$vy+1;
$strgridy=floor($i*$grd);
$stlength=strlen($strgridy);
$strposx=($minx-$stlength)-($stlength*5)-1;
$strposy=$vy-($fonty*4);
imagefilledrectangle($im,$vx0,$vy0,$vx1,$vy1,$black);
imagestring($im,$fonty,$strposx,$strposy,$strgridy,$black);
$vy-=$county;
}
//Process to create x series
$maxxis=$maxx-$minx;
$countx=floor($maxxis/$maxseries);
$vx=$minx;
$vy=$miny;
$vy0=$vy-1;
$vy1=$vy+1;
imageline($im,$minx,$miny,$minx,$maxy,$black);
for($i=1;$i<=$maxseries;$i++){
$place[$i]=$vx;
$vx0=$vx-1;
$vx1=$vx+1;
$strposy=$vy+10;
$strposx=$vx;
imagefilledrectangle($im,$vx0,$vy0,$vx1,$vy1,$black);
imagestring($im,$fontx,$strposx,$strposy,$dataser[$i],$black);
$vx+=$countx;
}
//Create line graph
reset($datagraph);
$h=1;
$strposx=$minx;
$strposy=$y-20;
while(list($key,$val)=each($datagraph)){
if($showlegend){
$strposx1=$strposx+$lnglegend*5;
imageline($im,$strposx,$strposy,$strposx1,$strposy,$color[$h]);
$strposx=$strposx1+10;
$strposy1=$strposy-3;
imagestring($im,$fontx,$strposx,$strposy1,$key,$black);
$strposx=$strposx1+(strlen($key)*$fontx*10);
}
for($i=1;$i<=$maxseries;$i++){
$j=$i+1;
if(isset($val[$j])&&($val[$j]!=0)){
$yy=round($miny-(($val[$i]/$maxdata)*$maxyxis));
$yy1=round($miny-(($val[$j]/$maxdata)*$maxyxis));
imageline($im,$place[$i],$yy,$place[$j],$yy1,$color[$h]);
}
}
$h++;
}
imagejpeg($im);
imagedestroy($im);
} else {
// No image
}
?>
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