/********************************
2D Pie Chart Version 1.0
Programer: Xiao Bin Zhao
Date: 03/31/2001
All Rights Reserved 2001.
********************************/

/*************Configuration Starts Here******************/
$chartTitle = "kuitao8.com"; //pie chart name
$logo = "www.kuitao8.com"; //logo
/*************************End****************************/

/*****************For Programers Only********************/
$imageWidth = 300; //image width 
$imageHeight = 200; //image height
$diameter = 150; //pie diameter 
$centerX = 100; //pie center pixels x
$centerY = 100; //pie center pixels y
$labelWidth = 10; //label width, no need to change 
/*************************End****************************/

$data = array( 156, 20, 80, 100, 124, 56, 34, 32, 67 );
$item = array( "baidu", "google", "wenwen", "zhen", "Chen", "COCO", "SiSi", "Lee", "Zhao" );
for( $i = 0; $i < count( $data ); $i++ )
{
$dataTotal += $data[ $i ];
}

function circlePoint( $deg, $dia )
{
$x = cos( deg2rad( $deg ) ) * ( $dia / 2 );
$y = sin( deg2rad( $deg ) ) * ( $dia / 2 ); 
return array( $x, $y );
}

$im = ImageCreate( $imageWidth, $imageHeight );

$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 );

$degree = 0;
for( $i = 0; $i < count( $data ); $i++ )
{
$startDegree = round( $degree );
$degree += ( $data[ $i ] / $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 );
ImageString( $im, 2, floor( $centerX + $arcX ), floor( $centerY + $arcY ), intval( round( $data[ $i ] / $dataTotal * 100 ) ) . "%", $black );
}

$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 );
ImageString( $im, 1, $labelX, $titleY + 14, date( "Y-m-d H:i:sa" ), $black );

for( $i = 0; $i < count( $item ); $i++ )
{
$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, $item[ $i ], $black );
ImageString( $im, 2, $labelX + $labelWidth + 60, $labelY, $data[ $i ], $black );
$labelY += $labelWidth + 2;
}
ImageString( $im, 3, $labelX, $labelY, "Total:", $black );
ImageString( $im, 3, $labelX + $labelWidth + 60, $labelY, $dataTotal, $black );
ImageString( $im, 2, $labelX, $labelY + 15, $logo, $black );
ImagePNG( $im );
ImageDestroy( $im );
$dsa=Imagepng( $im );
header(c)
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