thanx a lot.i did it.
here is the code:
<?php
/********************************
2D Pie Chart Version 1.0
Programer: Xiao Bin Zhao
E-mail: love1001_98@yahoo.com
Date: 03/31/2001
All Rights Reserved 2001.
********************************/
/*************Configuration Starts Here******************/
$chartTitle = "Percentage of Products in Database"; //pie chart name
/*************************End********************** ******/
/*****************For Programers Only********************/
$imageWidth = 600; //image width
$imageHeight = 400; //image height
$diameter = 250; //pie diameter
$centerX = 225; //pie center pixels x
$centerY = 225; //pie center pixels y
$labelWidth = 10; //label width, no need to change
/*************************End********************** ******/
//db connection info.
$dbuser = 'db';
$dbhost = 'localhost';
$dbpass = '';
$dbname = 'rhishabh';
$mysql_link = mysql_connect($dbhost,$dbuser,$dbpass) or die ("Could not connect"); //connect to db
mysql_select_db ($dbname) or die ("DB select failed"); //select db
$query1 = "select productname, count(*) as groupcount from product group by productname"; //get product count by groups of products
$query2 = "select count(*) as countammount from product"; //get the ammount of products in the db
$result1 = mysql_db_query($dbname,$query1); //queryresult1
$result2 = mysql_db_query($dbname,$query2); //queryresult2
$result3 = mysql_db_query($dbname,$query1); //queryresult3
$num_products = mysql_num_rows($result1); //count number of products
while ($row = mysql_fetch_assoc ($result2)) //put total ammount of products in db from query in a var
{
$dataTotal = $row[countammount];
}
function circlePoint( $deg, $dia )
{
$x = cos( deg2rad( $deg ) ) * ( $dia / 2 );
$y = sin( deg2rad( $deg ) ) * ( $dia / 2 );
return array( $x, $y );
}
$im = ImageCreate( $imageWidth, $imageHeight ); //make image area
//color array for chart. addmore colors if you have more data than colors below.
$color[] = ImageColorAllocate( $im, 255, 0, 0 ); //red
$color[] = ImageColorAllocate( $im, 255, 204, 0 );//yellow
$color[] = ImageColorAllocate( $im, 153, 204, 0 );//green
$color[] = ImageColorAllocate( $im, 153, 51, 255 );//purple
$color[] = ImageColorAllocate( $im, 0, 128, 255 );//blue
$color[] = ImageColorAllocate( $im, 255, 0, 128 );//pink
$color[] = ImageColorAllocate( $im, 153, 51, 255 );//purple
$color[] = ImageColorAllocate( $im, 192, 192, 192 );//grey
$color[] = ImageColorAllocate( $im, 204, 204, 0 );
$color[] = ImageColorAllocate( $im, 64, 128, 128 );
$color[] = ImageColorAllocate( $im, 204, 102, 153 );
$white = ImageColorAllocate( $im, 255, 255, 255 );
$black = ImageColorAllocate( $im, 0, 0, 0 );
$grey = ImageColorAllocate( $im, 215, 215, 215 );
ImageFill( $im, 0, 0, $white ); //make image background
$degree = 0;
/**********************************
make the pie chart with percentages
**********************************/
$i=-1; //set color array counter
while ($row = mysql_fetch_assoc ($result1))
{
$i < sizeof( $row ); $i++; //counter for color array
$startDegree = round( $degree );
$degree += ( $row[groupcount] / $dataTotal ) * 360;
$endDegree = round( $degree );
$currentColor = $color[ $i % ( count( $color ) ) ];
ImageArc( $im, $centerX, $centerY, $diameter, $diameter, $startDegree, $endDegree, $currentColor );
list( $arcX, $arcY ) = circlePoint( $startDegree, $diameter );
ImageLine( $im, $centerX, $centerY, floor( $centerX + $arcX ), floor( $centerY + $arcY ), $currentColor );
list( $arcX, $arcY ) = circlePoint( $endDegree, $diameter );
ImageLine( $im, $centerX, $centerY, ceil( $centerX + $arcX ), ceil( $centerY + $arcY ), $currentColor );
$midPoint = round( ( ( $endDegree - $startDegree ) / 2 ) + $startDegree );
list( $arcX, $arcY ) = circlePoint( $midPoint, $diameter / 1.5 );
ImageFillToBorder( $im, floor( $centerX + $arcX ), floor( $centerY + $arcY ), $currentColor, $currentColor );
//joe: i added -6 to center %'s better
ImageString( $im, 2, floor( $centerX + $arcX - 6 ), floor( $centerY + $arcY - 6 ), intval( round( $row[groupcount] / $dataTotal * 100 ) ) . "%", $white );
}
/**********************************
setup for the menu and print title
**********************************/
$labelX = $centerX + $diameter / 2 + 10;
$labelY = $centerY - $diameter / 4;
$titleX = $labelX - $diameter / 4;
$titleY = $centerY - $diameter / 2;
//ImageString( $im, 3, $titleX + 1, $titleY + 1, $chartTitle, $grey );
ImageString( $im, 3, $titleX, $titleY, $chartTitle, $black ); //print chart title
ImageString( $im, 1, $labelX, $titleY + 14, date( "Y-m-d H:i:sa" ), $black ); //print date
/**********************************
make the menu,lables,totals
**********************************/
$i=-1; //set color array counter
while ($row1 = mysql_fetch_assoc ($result3))
{
$i < sizeof( $row1 ); $i++; //counter for color array
$currentColor = $color[ $i % ( count( $color ) ) ];
ImageRectangle( $im, $labelX, $labelY, $labelX + $labelWidth, $labelY + $labelWidth, $black );
ImageFilledRectangle( $im, $labelX + 1, $labelY + 1, $labelX + $labelWidth, $labelY + $labelWidth, $currentColor );
ImageString( $im, 2, $labelX + $labelWidth + 5, $labelY, $row1[productname], $black );
//ImageString( $im, 2, $labelX + $labelWidth + 60, $labelY, $row1[groupcount], $black );
$labelY += $labelWidth + 2;
}
/**********************************
make the total
**********************************/
ImageString( $im, 3, $labelX, $labelY, "Total:", $black );
ImageString( $im, 3, $labelX + $labelWidth + 60, $labelY, $dataTotal, $black );
//ImageString( $im, 2, $labelX, $labelY + 15, $logo, $black );
Header( "Content-type: image/jpeg" ); //output image
Imagejpeg( $im );
ImageDestroy( $im ); //remove image from memory
?>
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