source: temp/trunk/html/test/naka/class/SC_GraphPie.php @ 1694

<?php

$SC_GRAPHPIE_DIR = realpath(dirname( __FILE__));
require_once($SC_GRAPHPIE_DIR . "/SC_GraphBase.php");   

// ±ß¥°¥é¥ÕÀ¸À®¥¯¥é¥¹
class SC_GraphPie extends SC_GraphBase{
    var $cw;
    var $ch;
    var $cz;
    var $cx;
    var $cy;
    var $arrLabel;
    var $arrData;
    
    // ¥³¥ó¥¹¥È¥é¥¯¥¿
    function SC_GraphPie($bgw = BG_WIDTH, $bgh = BG_HEIGHT, $left = PIE_LEFT, $top = PIE_TOP) {
        parent::SC_GraphBase($bgw, $bgh, $left, $top);
        // ¥µ¥¤¥ºÀßÄê
        $this->setSize(PIE_WIDTH, PIE_HEIGHT, PIE_THICK);
        // °ÌÃÖÀßÄê
        $this->setPosition($this->left + ($this->cw / 2), $this->top + ($this->ch / 2));
    }
    
    // ¥Ç¡¼¥¿¤ò360¡ëÃͤËÊÑ´¹¤¹¤ë
    function getCircleData($array) {
        if(!is_array($array)) {
            return;
        }
        $arrRet = array();
        foreach($array as $val) {
            $total += $val;         
        }
        if($total <= 0) {
            return;
        }       
        $rate = 360 / $total;
        // ¥é¥Ù¥ëɽ¼¨ÍÑ
        $p_rate = 100 / $total;
        $cnt = 0;
        foreach($array as $val) {
            $ret = round($val * $rate);
            $new_total+= $ret;
            $arrRet[] = $ret;
            // ¥Ñ¡¼¥»¥ó¥Èɽ¼¨ÍÑ
            $this->arrLabel[] = round($val * $p_rate) . " %";
            $cnt++;
        }
        // ¹ç·×¤¬360¤Ë¤Ê¤ë¤è¤¦¤ËÊäÀµ¤·¤Æ¤ª¤¯
        $arrRet[0] -= $new_total - 360;
        return $arrRet;
    }   
        
    // ±ß¤Î°ÌÃÖÀßÄê¤ò¹Ô¤¦
    function setPosition($cx, $cy) {
        $this->cx = $cx;
        $this->cy = $cy;
    }
        
    // ±ß¤Î¥µ¥¤¥ºÀßÄê¤ò¹Ô¤¦
    function setSize($cw, $ch, $cz = 0) {
        $this->cw = $cw;
        $this->ch = $ch;
        $this->cz = $cz;
    }
    
    // ±Æ¤ÎÉÁ²è
    function drawShade() {
        $move = 1;
        for($i = ($this->cy + $this->cz); $i <= ($this->cy + $this->cz + ($this->cz * PIE_SHADE_IMPACT)); $i++) {
            imagefilledarc($this->image, $this->cx + $move, $i, $this->cw, $this->ch, 0, 360, $this->shade_color, IMG_ARC_PIE);
            $move += 0.5;
        }
    }
    
    // ¥Ç¡¼¥¿¤ò¥»¥Ã¥È¤¹¤ë
    function setData($arrData) {
        $this->arrData = array_values($arrData);
    }
    
    // ±ß¥°¥é¥Õ¤òÉÁ²è¤¹¤ë
    function drawGraph() {
        $x = $this->cx;
        $y = $this->cy;
        $z = $this->cz;
        $h = $this->ch;
        $w = $this->cw;
        
        $arrRad = $this->getCircleData($this->arrData);
        $rd_max = count($arrRad);
        
        // ¥Ç¡¼¥¿¤¬Â¸ºß¤·¤Ê¤¤¾ì¹ç
        if($rd_max <= 0) {
            return;
        }
        
        // ±Æ¤ÎÉÁ²è
        if($this->shade_on) {
            $this->drawShade();
        }
            
        // ¿§¿ô¤Î¼èÆÀ
        $c_max = count($this->arrColor);
        $dc_max = count($this->arrDarkColor);
        
        // ¦Ì̤ÎÉÁ²è       
        for ($i = ($y + $z - 1); $i >= $y; $i--) {
            $start = 0;
            for($j = 0; $j < $rd_max; $j++) {
                $end = $start + $arrRad[$j];
                if($start == 0 && $end == 360) {
                    // -90¢·270¤Ç»ØÄꤹ¤ë¤È±ß¤¬ÉÁ²è¤Ç¤­¤Ê¤¤¤Î¤Ç0¢·360¤Ë»ØÄê
                    imagearc($this->image, $x, $i, $w, $h, 0, 360, $this->arrDarkColor[($j % $dc_max)]);
                } else {
                    // -90¡ë¤Ï12»þ¤Î°ÌÃÖ¤«¤é³«»Ï¤¹¤ë¤è¤¦¤ËÊäÀµ¤·¤Æ¤¤¤ë
                    imagearc($this->image, $x, $i, $w, $h, $start - 90, $end - 90, $this->arrDarkColor[($j % $dc_max)]);    
                }           
                $start = $end;
            }
        }
        // ÄìÌ̤ÎÉÁ²è
        imagearc($this->image, $x, $y + $z, $w, $h, 0, 180 , $this->flame_color);

        // ¾åÌ̤ÎÉÁ²è
        $start = 0;
        for($i = 0; $i < $rd_max; $i++) {
            $end = $start + $arrRad[$i];
            if($start == 0 && $end == 360) {
                // -90¢·270¤Ç»ØÄꤹ¤ë¤È±ß¤¬ÉÁ²è¤Ç¤­¤Ê¤¤¤Î¤Ç0¢·360¤Ë»ØÄê
                imagefilledarc($this->image, $x, $y, $w, $h, 0, 360, $this->arrColor[($i % $c_max)], IMG_ARC_PIE);          
            } else {
                // -90¡ë¤Ï12»þ¤Î°ÌÃÖ¤«¤é³«»Ï¤¹¤ë¤è¤¦¤ËÊäÀµ¤·¤Æ¤¤¤ë¡£        
                imagefilledarc($this->image, $x, $y, $w, $h, $start - 90, $end - 90, $this->arrColor[($i % $c_max)], IMG_ARC_PIE);
            }
            $start = $end;
        }

        // ¾åÌ̤αï¼è¤ê
        $start = 0;
        for($i = 0; $i < $rd_max; $i++) {
            $end = $start + $arrRad[$i];
            if($start == 0 && $end == 360) {
                // -90¢·270¤Ç»ØÄꤹ¤ë¤È±ß¤¬ÉÁ²è¤Ç¤­¤Ê¤¤¤Î¤Ç0¢·360¤Ë»ØÄê
                imagearc($this->image, $x, $y, $w, $h, 0, 360 , $this->flame_color);
            }
            // -90¡ë¤Ï12»þ¤Î°ÌÃÖ¤«¤é³«»Ï¤¹¤ë¤è¤¦¤ËÊäÀµ¤·¤Æ¤¤¤ë¡£
            imagefilledarc($this->image, $x, $y, $w, $h, $start - 90, $end - 90, $this->flame_color, IMG_ARC_EDGED|IMG_ARC_NOFILL);
            $start = $end;
        }

        // ¦Ì̤αï¼è¤ê
        imageline($this->image, $x + ($w / 2), $y, $x + ($w / 2), $y + $z, $this->flame_color);
        imageline($this->image, $x - ($w / 2), $y, $x - ($w / 2), $y + $z, $this->flame_color);
        $start = 0;
        for($i = 0; $i < $rd_max; $i++) {
            $end = $start + $arrRad[$i];
            // Á°Ì̤Τß
            if($end > 90 && $end < 270) {
                list($ax, $ay) = lfGetArcPos($x, $y, $w, $h, $end);
                // ¥é¥¤¥ó¤Î¤º¤ì¤òÊäÀµ¤¹¤ë
                if($end > 180) {
                    $ax = $ax + 1;
                }
                imageline($this->image, $ax, $ay, $ax, $ay + $z, $this->flame_color);
            }
            $start = $end;  
        }
                
        // ¥é¥Ù¥ë¤ÎÉÁ²è
        $this->drawLabel($arrRad);
        // ËÞÎã¤ÎÉÁ²è
        $this->drawLegend(count($this->arrData));           
    }
    
    // ±ß¥°¥é¥Õ¤Î¥é¥Ù¥ë¤òÉÁ²è¤¹¤ë
    function drawLabel($arrRad) {
        $rd_max = count($arrRad);
        $start = 0;
        for($i = 0; $i < $rd_max; $i++) {
            $center = $start + ($arrRad[$i] / 2);
            $end = $start + $arrRad[$i];
            list($sx, $sy) = lfGetArcPos($this->cx, $this->cy, ($this->cw / 1.5), ($this->ch / 1.5), $center);
            list($ex, $ey) = lfGetArcPos($this->cx, $this->cy, ($this->cw * 1.5), ($this->ch * 1.5), $center);
            // »Ø¼¨Àþ¤ÎÉÁ²è
            imageline($this->image, $sx, $sy, $ex + 2, $ey - PIE_LABEL_UP, $this->flame_color);
            $this->setText(FONT_SIZE, $ex - 10, $ey - PIE_LABEL_UP - FONT_SIZE, $this->arrLabel[$i], NULL, 0, true);
            $start = $end;
        }
    }   
}

?>