109 lines
3.7 KiB
PHP
109 lines
3.7 KiB
PHP
<?php
|
|
require_once 'fpdf.php';
|
|
class PDF_Sector extends FPDF
|
|
{
|
|
function Sector($xc, $yc, $r, $a, $b, $style='FD', $cw=true, $o=90)
|
|
{
|
|
$d0 = $a - $b;
|
|
if($cw){
|
|
$d = $b;
|
|
$b = $o - $a;
|
|
$a = $o - $d;
|
|
}else{
|
|
$b += $o;
|
|
$a += $o;
|
|
}
|
|
while($a<0)
|
|
$a += 360;
|
|
while($a>360)
|
|
$a -= 360;
|
|
while($b<0)
|
|
$b += 360;
|
|
while($b>360)
|
|
$b -= 360;
|
|
if ($a > $b)
|
|
$b += 360;
|
|
$b = $b/360*2*M_PI;
|
|
$a = $a/360*2*M_PI;
|
|
$d = $b - $a;
|
|
if ($d == 0 && $d0 != 0)
|
|
$d = 2*M_PI;
|
|
$k = $this->k;
|
|
$hp = $this->h;
|
|
if (sin($d/2))
|
|
$MyArc = 4/3*(1-cos($d/2))/sin($d/2)*$r;
|
|
else
|
|
$MyArc = 0;
|
|
//first put the center
|
|
$this->_out(sprintf('%.2F %.2F m',($xc)*$k,($hp-$yc)*$k));
|
|
//put the first point
|
|
$this->_out(sprintf('%.2F %.2F l',($xc+$r*cos($a))*$k,(($hp-($yc-$r*sin($a)))*$k)));
|
|
//draw the arc
|
|
if ($d < M_PI/2){
|
|
$this->_Arc($xc+$r*cos($a)+$MyArc*cos(M_PI/2+$a),
|
|
$yc-$r*sin($a)-$MyArc*sin(M_PI/2+$a),
|
|
$xc+$r*cos($b)+$MyArc*cos($b-M_PI/2),
|
|
$yc-$r*sin($b)-$MyArc*sin($b-M_PI/2),
|
|
$xc+$r*cos($b),
|
|
$yc-$r*sin($b)
|
|
);
|
|
}else{
|
|
$b = $a + $d/4;
|
|
$MyArc = 4/3*(1-cos($d/8))/sin($d/8)*$r;
|
|
$this->_Arc($xc+$r*cos($a)+$MyArc*cos(M_PI/2+$a),
|
|
$yc-$r*sin($a)-$MyArc*sin(M_PI/2+$a),
|
|
$xc+$r*cos($b)+$MyArc*cos($b-M_PI/2),
|
|
$yc-$r*sin($b)-$MyArc*sin($b-M_PI/2),
|
|
$xc+$r*cos($b),
|
|
$yc-$r*sin($b)
|
|
);
|
|
$a = $b;
|
|
$b = $a + $d/4;
|
|
$this->_Arc($xc+$r*cos($a)+$MyArc*cos(M_PI/2+$a),
|
|
$yc-$r*sin($a)-$MyArc*sin(M_PI/2+$a),
|
|
$xc+$r*cos($b)+$MyArc*cos($b-M_PI/2),
|
|
$yc-$r*sin($b)-$MyArc*sin($b-M_PI/2),
|
|
$xc+$r*cos($b),
|
|
$yc-$r*sin($b)
|
|
);
|
|
$a = $b;
|
|
$b = $a + $d/4;
|
|
$this->_Arc($xc+$r*cos($a)+$MyArc*cos(M_PI/2+$a),
|
|
$yc-$r*sin($a)-$MyArc*sin(M_PI/2+$a),
|
|
$xc+$r*cos($b)+$MyArc*cos($b-M_PI/2),
|
|
$yc-$r*sin($b)-$MyArc*sin($b-M_PI/2),
|
|
$xc+$r*cos($b),
|
|
$yc-$r*sin($b)
|
|
);
|
|
$a = $b;
|
|
$b = $a + $d/4;
|
|
$this->_Arc($xc+$r*cos($a)+$MyArc*cos(M_PI/2+$a),
|
|
$yc-$r*sin($a)-$MyArc*sin(M_PI/2+$a),
|
|
$xc+$r*cos($b)+$MyArc*cos($b-M_PI/2),
|
|
$yc-$r*sin($b)-$MyArc*sin($b-M_PI/2),
|
|
$xc+$r*cos($b),
|
|
$yc-$r*sin($b)
|
|
);
|
|
}
|
|
//terminate drawing
|
|
if($style=='F')
|
|
$op='f';
|
|
elseif($style=='FD' || $style=='DF')
|
|
$op='b';
|
|
else
|
|
$op='s';
|
|
$this->_out($op);
|
|
}
|
|
function _Arc($x1, $y1, $x2, $y2, $x3, $y3 )
|
|
{
|
|
$h = $this->h;
|
|
$this->_out(sprintf('%.2F %.2F %.2F %.2F %.2F %.2F c',
|
|
$x1*$this->k,
|
|
($h-$y1)*$this->k,
|
|
$x2*$this->k,
|
|
($h-$y2)*$this->k,
|
|
$x3*$this->k,
|
|
($h-$y3)*$this->k));
|
|
}
|
|
}
|
|
?>
|