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+------------------------+
| pie3dfun.php//¹«Óú¯Êý |
+------------------------+

define("ANGLE_STEP",5);//¶¨Òå»­ÍÖÔ²»¡Ê±µÄ½Ç¶È²½³¤
function chx_getdarkcolor($img,$clr){//Çó$clr¶ÔÓ¦µÄ°µÉ«
$rgb=imagecolorsforindex($img,$clr);
return array($rgb["red"]/2,$rgb["green"]/2,$rgb["blue"]/2);
}

function chx_getexy($a,$b,$d){//Çó½Ç¶È$d¶ÔÓ¦µÄÍÖÔ²Éϵĵã×ø±ê
$d=deg2rad($d);
return array(round($a*Cos($d)),round($b*Sin($d)));
}

function chx_arc($img,$ox,$oy,$a,$b,$sd,$ed,$clr){//ÍÖÔ²»¡º¯Êý
$n=ceil(($ed-$sd)/ANGLE_STEP);
$d=$sd;
list($x0,$y0)=chx_getexy($a,$b,$d);
for($i=0;$i<$n;$i++){
$d=($d+ANGLE_STEP)>$ed?$ed:($d+ANGLE_STEP);
list($x,$y)=chx_getexy($a,$b,$d);
imageline($img,$x0+$ox,$y0+$oy,$x+$ox,$y+$oy,$clr);
$x0=$x;
$y0=$y;
}
}
function chx_sector($img,$ox,$oy,$a,$b,$sd,$ed,$clr){//»­ÉÈÃæ
$n=ceil(($ed-$sd)/ANGLE_STEP);
$d=$sd;
list($x0,$y0)=chx_getexy($a,$b,$d);
imageline($img,$x0+$ox,$y0+$oy,$ox,$oy,$clr);
for($i=0;$i<$n;$i++){
$d=($d+ANGLE_STEP)>$ed?$ed:($d+ANGLE_STEP);
list($x,$y)=chx_getexy($a,$b,$d);
imageline($img,$x0+$ox,$y0+$oy,$x+$ox,$y+$oy,$clr);
$x0=$x;
$y0=$y;
}
imageline($img,$x0+$ox,$y0+$oy,$ox,$oy,$clr);
list($x,$y)=chx_getexy($a/2,$b/2,($d+$sd)/2);
imagefill($img,$x+$ox,$y+$oy,$clr);
}

function chx_sector3d($img,$ox,$oy,$a,$b,$v,$sd,$ed,$clr){//3dÉÈÃæ
chx_sector($img,$ox,$oy,$a,$b,$sd,$ed,$clr);
if($sd<180){
list($R,$G,$B)=chx_getdarkcolor($img,$clr);
$clr=imagecolorallocate($img,$R,$G,$B);
if($ed>180) $ed=180;
list($sx,$sy)=chx_getexy($a,$b,$sd);
$sx+=$ox;
$sy+=$oy;
list($ex,$ey)=chx_getexy($a,$b,$ed);
$ex+=$ox;
$ey+=$oy;
imageline($img,$sx,$sy,$sx,$sy+$v,$clr);
imageline($img,$ex,$ey,$ex,$ey+$v,$clr);
chx_arc($img,$ox,$oy+$v,$a,$b,$sd,$ed,$clr);
list($sx,$sy)=chx_getexy($a,$b,($sd+$ed)/2);
$sy+=$oy+$v/2;
$sx+=$ox;
imagefill($img,$sx,$sy,$clr);
}
}

function chx_getindexcolor($img,$clr){//RBGתË÷ÒýÉ«
$R=($clr>>16) & 0xff;
$G=($clr>>8)& 0xff;
$B=($clr) & 0xff;
return imagecolorallocate($img,$R,$G,$B);
}

?>

+--------------------------+
| pie3d.php //Èýά±ýͼÎļþ |
+--------------------------+

require("pie3dfun.php");

$a=150;//ÍÖÔ²³¤°ëÖá
$b=50;//ÍÖÔ²¶Î°ëÖá
$v=20;//Ô²±ý¸ß¶È
$font=5;//×ÖÌå

$ox=5+$a;
$oy=5+$b;
$fw=imagefontwidth($font);
$fh=imagefontheight($font);


$datLst=array(30,10,20,20,10,20,10,20);//Êý¾Ý
$labLst=array("a1","a2","a3","a4","a5","a6","a7","a8");//±êÇ©
$clrLst=array(0x99ff00,0xff6666,0x0099ff,0xff99ff,0xffff99,0x99ffff,0xff3333,0x009999);

$w=10+$a*2;
$h=10+$b*2+$v+($fh+2)*count($datLst);

$img=imagecreate($w,$h);

//תRGBΪË÷ÒýÉ«
for($i=0;$i
$clrbk=imagecolorallocate($img,0xff,0xff,0xff);
$clrt=imagecolorallocate($img,0x00,0x00,0x00);
//Ìî³ä±³¾°É«
imagefill($img,0,0,$clrbk);
//ÇóºÍ
$tot=0;
for($i=0;$i
$sd=0;
$ed=0;
$ly=10+$b*2+$v;
for($i=0;$i $sd=$ed;
$ed+=$datLst[$i]/$tot*360;
//»­Ô²±ý
chx_sector3d($img,$ox,$oy,$a,$b,$v,$sd,$ed,$clrLst[$i]);//$sd,$ed,$clrLst[$i]);
//»­±êÇ©
imagefilledrectangle($img,5,$ly,5+$fw,$ly+$fh,$clrLst[$i]);
imagerectangle($img,5,$ly,5+$fw,$ly+$fh,$clrt);
imagestring($img,$font,5+2*$fw,$ly,
$labLst[$i].":".$datLst[$i]."(".(round(10000*($datLst[$i]/$tot))/100)."%)",
$clrt);
$ly+=$fh+2;
}
//Êä³öͼÐÎ
header("Content-type:image/gi