php做餅圖的函數

來源:互聯網
上載者:User
餅圖|函數

########
bimage.php3
########
/*
函數說明
$chartdata:資料,是數組元素
$chartfont:字型大小
$chartdiameter:決定餅的大小(要看你餓不餓了,呵呵)
$chartlabel:標題,也是數組元素
$colorslice:顏色數組,例如$tmp=array255,255,255);$colorslic=array($tmp);
$colorborder:邊框顏色,數組
$colortext :文本顏色,數組
$colorbody:背景顏色,數組
$file:輸出圖片檔案名稱*/
function bimage($chartdata,
$chartfont,
$chartdiameter ,
$chartlabel ,
$colorslice,
$colorbody ,
$colorborder,
$colortext ,
$file
)
{
$chartdiameter=150;

$chartfontheight=imagefontheight($chartfont);
$d1=10;$d2=20;$d3=30;$d4=40;$d5=50;
$chartdata=array($d1,$d2,$d3,$d4,$d5);
$chartlabel=array("D1","D2","D3","D4","D5");
$chartwidth=$chartdiameter+20;
$chartheight=$chartdiameter+20+(($chartfontheight+2)*count($chartdata));
header("content-type:image/gif");
$image=imagecreate($chartwidth,$chartheight);
$colorbody =imagecolorallocate ($image,$colorbody[0],$colorbody[1],$colorbody[2]);
$colortext =imagecolorallocate ($image,$colortext[0],$colortext[1],$colortext[2]);
$colorborder =imagecolorallocate ($image,$colorborder[0],$colorborder[1],$colorborder[2]);
for ($i=0;$i {
$t=imagecolorallocate($image,$colorslice[$i][0],$colorslice[$i][1],$colorslice[$i][2]);
$colorslice[$i]=$t;
}
for($i=0;$i {
$charttotal+=$chartdata[$i];
}
$chartcenterx=$chartdiameter/2+10;
$chartcentery=$chartdiameter/2+10;
$degrees=0;
for($i=0;$i {
$startdegrees=round($degrees);
$degrees+=(($chartdata[$i]/$charttotal)*360);
$enddegrees=round($degrees);
$currentcolor=$colorslice[$i%(count($colorslice))];
imagearc($image ,
$chartcenterx,
$chartcentery,
$chartdiameter,
$chartdiameter,
$startdegrees,
$enddegrees,
$currentcolor);
list($arcx,$arcy)=circle_point($startdegrees,$chartdiameter);
imageline($image,
$chartcenterx,
$chartcentery,
floor($chartcenterx+$arcx),
floor($chartcentery+$arcy),
$currentcolor );
list($arcx,$arcy)=circle_point($enddegrees,$chartdiameter);

imageline($image,
$chartcenterx,
$chartcentery,
ceil($chartcenterx+$arcx),
ceil($chartcentery +$arcy),
$currentcolor);

$midpoint=round((($enddegrees-$startdegrees)/2)+$startdegrees);
list($arcx,$arcy)= circle_point ( $midpoint, $chartdiameter/2);
imagefilltoborder($image,
floor($chartcenterx+$arcx),
floor($chartcentery+$arcy),
$currentcolor,
$currentcolor);
}
imagearc($image,
$chartcenterx,
$chartcentery,
$chartdiameter,
$chartdiameter,
0,360,
$colorborder);
imagefilltoborder ($image,
floor($chartcenterx +( $chartdiameter /2)+2),
$chartcentery ,
$colorborder,
$colorborder );
for ($i=0;$i {
$currentcolor=$colorslice[$i%(count($colorslice))];
$liney=$chartdiameter+20+($i*($chartfontheight+2));
imagerectangle ($image,
10,
$liney,
20+$chartfontheight,
$liney+$chartfontheight,
$colorbody);
imagefilltoborder($image,
12,
$liney+2,
$colorbody,
$currentcolor);
imagestring($image,
$chartfont,
40+$chartfontheight,
$liney,
"$chartlabel[$i]:$chartdata[$i]",
$colortext);

}

imagegif ($image,$file);

}

function radians($degrees)
{
return($degrees*(pi()/180.0));
}
function circle_point($degrees,$diameter)
{
$x=cos(radians($degrees))*($diameter/2);
$y=sin(radians($degrees))*($diameter/2);
return (array($x,$y));
}
?>

###########
這是一個調用的例子
###########

include("bfunc.php3");
$chartdiameter=250;
$chartfont=5;
$d1=10;$d2=20;$d3=30;$d4=40;$d5=50;
$chartdata=array($d1,$d2,$d3,$d4,$d5);
$chartlabel=array("D1","D2","D3","D4","D5");

$colorbody=array(0xff,0xff,0xff);
$colorborder=array(0x00,0x00,0x00);
$colortext=array(0xff,0xff,0xff);

$color1=array(0xff,0x00,0x00);
$color2=array(0x00,0xff,0x00);
$color3=array(0x00,0x00,0xff);
$color4=array(0xff,0xff,0x00);
$color5=array(0xff,0x00,0xff);
$colorslice=array($color1 ,$color2,$color3,$color4,$color5);
$file="tj.gif"
bimage($chartdata,
$chartfont,
$chartdiameter ,
$chartlabel ,
$colorslice,
$colorbody ,
$colorborder,
$colortext ,
$file )
?>



相關文章

Beyond APAC's No.1 Cloud

19.6% IaaS Market Share in Asia Pacific - Gartner IT Service report, 2018

Learn more >

Apsara Conference 2019

The Rise of Data Intelligence, September 25th - 27th, Hangzhou, China

Learn more >

Alibaba Cloud Free Trial

Learn and experience the power of Alibaba Cloud with a free trial worth $300-1200 USD

Learn more >

聯繫我們

該頁面正文內容均來源於網絡整理,並不代表阿里雲官方的觀點,該頁面所提到的產品和服務也與阿里云無關,如果該頁面內容對您造成了困擾,歡迎寫郵件給我們,收到郵件我們將在5個工作日內處理。

如果您發現本社區中有涉嫌抄襲的內容,歡迎發送郵件至: info-contact@alibabacloud.com 進行舉報並提供相關證據,工作人員會在 5 個工作天內聯絡您,一經查實,本站將立刻刪除涉嫌侵權內容。