source: temp/trunk/html/admin/total/class/SC_GraphLine.php @ 5410

<?
$SC_GRAPHLINE_DIR = realpath(dirname( __FILE__));
require_once($SC_GRAPHLINE_DIR . "/SC_GraphBase.php");  

// ÀÞ¤ìÀþ¥°¥é¥ÕÀ¸À®¥¯¥é¥¹
class SC_GraphLine extends SC_GraphBase{
    var $area_width;
    var $area_height;
    var $ygrid_on;
    var $graph_max;     // ¥°¥é¥Õ¤Î¥¨¥ê¥¢ºÇÂçÃÍ(Y¼´ÄºÅÀ¤ÎÃÍ)
    var $arrXLabel; 
    var $XLabelAngle;   // X¼´¥é¥Ù¥ë³ÑÅÙ    
    var $XTitle;        // X¼´¥¿¥¤¥È¥ë
    var $YTitle;        // Y¼´¥¿¥¤¥È¥ë
    var $arrDataList;   // ¥°¥é¥Õ¥Ç¡¼¥¿¤ò³ÊǼ
    var $arrPointList;  // ÀÞ¤ìÀþºÂɸ¤ò³ÊǼ
    var $line_max;      // Ê£¿ô¤ÎÉÁ²è¤Î¾ì¹ç¤Ë²Ã»»¤·¤Æ¤¤¤¯
    
    var $x_margin;
    var $y_margin;
            
    // ¥³¥ó¥¹¥È¥é¥¯¥¿
    function SC_GraphLine(
        $bgw = BG_WIDTH, $bgh = BG_HEIGHT, $left = LINE_LEFT, $top = LINE_TOP,
        $area_width = LINE_AREA_WIDTH, $area_height = LINE_AREA_HEIGHT) {
        parent::SC_GraphBase($bgw, $bgh, $left, $top);  
        $this->area_width = $area_width;
        $this->area_height = $area_height;
        $this->ygrid_on = true;
        $this->line_max = 0;
        $this->graph_max = 0;
        $this->XLabelAngle = 0;
        $this->x_margin = 0;
        $this->y_margin = 0;
    }
    
    // X¼´¥é¥Ù¥ë¤Î³ÑÅÙ¥»¥Ã¥È
    function setXLabelAngle($Angle) {
        $this->XLabelAngle = $Angle;
    }
    
    // Y¼´¥¿¥¤¥È¥ë
    function drawYTitle() {
        // Y¼´¤Ë¥¿¥¤¥È¥ë¤òÆþ¤ì¤ë
        if($this->YTitle != "") {
            $text_width = $this->getTextWidth($this->YTitle, FONT_SIZE);
            $x_pos = $this->left - ($text_width / 2);
            $y_pos = $this->top - FONT_SIZE - LINE_YTITLE_PAD;      
            $this->setText(FONT_SIZE, $x_pos, $y_pos, $this->YTitle);
        }
    }
    
    // X¼´¥¿¥¤¥È¥ë
    function drawXTitle() {
        // Y¼´¤Ë¥¿¥¤¥È¥ë¤òÆþ¤ì¤ë
        if($this->XTitle != "") {
            $text_width = $this->getTextWidth($this->XTitle, FONT_SIZE);
            $x_pos = $this->left + $this->area_width - ($text_width / 2) + 30;
            $y_pos = $this->top + $this->area_height + LINE_XTITLE_PAD;
            $this->setText(FONT_SIZE, $x_pos, $y_pos, $this->XTitle);
        }
    }
    
    // Y¼´¤ÎÉÁ²è
    function drawYLine() {
        imageline($this->image, $this->left, $this->top, $this->left, $this->top + $this->area_height, $this->flame_color);
        // ÌÜÀ¹¤êÉý¤òµá¤á¤ë(Ãæ´ÖÅÀ¤Ï¼«Æ°)
        $size = $this->area_height / (LINE_Y_SCALE * 2);
        // ¾å¤«¤éÌÜÀ¹¤ê¤òÆþ¤ì¤Æ¤¤¤¯
        $pos = 0;
        for($i = 0; $i < (LINE_Y_SCALE * 2); $i++) {
            // ÌÜÀ¹¤êÉý
            if(($i % 2) == 0) {
                $sw = LINE_SCALE_SIZE;
                if($this->ygrid_on) {
                    imageline($this->image, $this->left, $this->top + $pos, $this->left + $this->area_width, $this->top + $pos, $this->grid_color);
                }
            } else {
                $sw = LINE_SCALE_SIZE / 2;
            }
            imageline($this->image, $this->left, $this->top + $pos, $this->left + $sw, $this->top + $pos, $this->flame_color);
            $pos += $size;
        }
        // Y¼´¤ËÌÜÀ¹¤êÃͤòÆþ¤ì¤ë
        $this->setYScale();
        $this->drawYTitle();    
    }
    
    // X¼´¤ÎÉÁ²è
    function drawXLine($bar = false) {
        imageline($this->image, $this->left, $this->top + $this->area_height, $this->left + $this->area_width, $this->top + $this->area_height, $this->flame_color);
        $arrPointList = $this->arrPointList[0];
        $count = count($arrPointList);
        
        // ËÀ¥°¥é¥Õ¤Î¾ì¹ç¤ÏȾÌÜÀ¹¤ê¤º¤é¤¹
        if($bar) {
            $half_scale = intval($this->area_width / ($count + 1) / 2);
        } else {
            $half_scale = 0;
        }
        
        // ¥é¥Ù¥ë¤Îɽ¼¨¥¤¥ó¥¿¡¼¥Ð¥ë¤ò»»½Ð
        $interval = ceil($count / LINE_XLABEL_MAX); // ÀÚ¤ê¾å¤²             
        for($i = 0; $i < $count; $i++) {
            // X¼´¤ËÌÜÀ¹¤ê¤òÆþ¤ì¤ë
            $x = $arrPointList[$i][0];
            $pos = $this->top + $this->area_height;
            imageline($this->image, $x - $half_scale, $pos, $x - $half_scale, $pos - LINE_SCALE_SIZE,  $this->flame_color);         
            // ¥é¥Ù¥ë¤òÆþ¤ì¤ë
            if(($i % $interval) == 0) {
                $text_width = $this->getTextWidth($this->arrXLabel[$i], FONT_SIZE);
                $x_pos = $x;
                
                if ($bar) $bar_margin = -15;

                $this->setText(FONT_SIZE, $x_pos + $this->x_margin + $bar_margin, $pos + FONT_SIZE + $this->y_margin, $this->arrXLabel[$i], NULL, $this->XLabelAngle);
            }
        }
        
        // ËÀ¥°¥é¥Õ¤Î¾ì¹ç¤ÏºÇ¸å¤ÎÌÜÀ¹¤ê¤ò°ì¤ÄÄɲ乤ë
        if($bar) {
            imageline($this->image, $x + $half_scale, $pos, $x + $half_scale, $pos - LINE_SCALE_SIZE,  $this->flame_color); 
        }
        
        $this->drawXTitle();
    }
        
    // ¥°¥ê¥Ã¥Éɽ¼¨
    function setYGridOn($ygrid_on) {
        $this->ygrid_on = $ygrid_on;
    }
    
    // ¥Ý¥¤¥ó¥È¤ÎÉÁ²è
    function setMark($line_no, $left, $top, $size = LINE_MARK_SIZE) {
        // ¶ö¿ô¤ËÊÑ´¹¤·¤Æ¤ª¤¯
        $size += $size % 2;
        $array = array(
            $left, $top - ($size / 2),
            $left + ($size / 2), $top,
            $left, $top + ($size / 2),
            $left - ($size / 2), $top,
        );      
        imagefilledpolygon($this->image, $array, 4, $this->arrColor[$line_no]);
        imagepolygon($this->image, $array, 4, $this->flame_color);
        imagesetpixel ($this->image, $left, $top + ($size / 2), $this->flame_color);
    }   
    
    // Y¼´ÌÜÀ¹¤ê¤ËÃͤòÆþ¤ì¤ë
    function setYScale() {
        // 1ÌÜÀ¹¤ê¤ÎÃÍ
        $number = intval($this->graph_max / LINE_Y_SCALE);              
        // ÌÜÀ¹¤êÉý¤òµá¤á¤ë
        $size = $this->area_height / LINE_Y_SCALE;
        $pos = 0;
        for($i = 0; $i <= LINE_Y_SCALE; $i++) {
            $snumber = $number * (LINE_Y_SCALE - $i);
            $disp_number = number_format($snumber);
            $num_width = $this->getTextWidth($disp_number, FONT_SIZE);
            $this->setText(FONT_SIZE, $this->left - $num_width - 2, $this->top + $pos - (FONT_SIZE / 2), $disp_number);
            $pos += $size;
        }
    }
    
    // 
    function setMax($arrData) {
        // ¥Ç¡¼¥¿¤ÎºÇÂçÃͤò¼èÆÀ¤¹¤ë¡£
        $data_max = max($arrData);
        // 10¤Î²¿Çܤ«¤ò¼èÆÀ
        $figure = strlen($data_max) - 1;
        // ¼¡¤Î·å¤ò·×»»¤¹¤ë
        $tenval = pow(10, $figure);
        // ¥°¥é¥Õ¾å¤Ç¤ÎºÇÂçÃͤòµá¤á¤ë
        $this->graph_max = $tenval * (intval($data_max / $tenval) + 1);
        // ºÇÂçÃͤ¬10̤Ëþ¤Î¾ì¹ç¤ÎÂбþ
        if($this->graph_max < 10) {
            $this->graph_max = 10;
        }   
    }
    
    // ¥°¥é¥Õ¤ÎÉÁ²è
    function drawGraph() {
        // ¥°¥é¥ÕÇطʤòÉÁ²è
        $this->drawYLine();
        $this->drawXLine();
        
        // ÀÞ¤ìÀþ¥°¥é¥ÕÉÁ²è
        for($i = 0; $i < $this->line_max; $i++) {
            $this->drawLine($i);
        }
        
        // ¥Þ¡¼¥¯¤òÉÁ²è
        for($i = 0; $i < $this->line_max; $i++) {
            $this->drawMark($i);
        }
        
        // ¥é¥Ù¥ë¤òÉÁ²è
        for($i = 0; $i < $this->line_max; $i++) {
            $this->drawLabel($i);       
        }

        // ËÞÎã¤ÎÉÁ²è
        $this->drawLegend();    
    }
    
    // ¥é¥¤¥ó¤òÉÁ²è¤¹¤ë
    function drawLine($line_no) {
        $arrPointList = $this->arrPointList[$line_no];
        
        $count = count($arrPointList);
        for($i = 0; $i < $count; $i++) {
            $x = $arrPointList[$i][0];
            $y = $arrPointList[$i][1];
            if(isset($arrPointList[$i + 1])) {
                $next_x = $arrPointList[$i + 1][0];
                $next_y = $arrPointList[$i + 1][1];
                imageline($this->image, $x, $y, $next_x, $next_y, $this->arrColor[$line_no]);
            }
        }
    }
    
    // ¥Þ¡¼¥¯¤òÉÁ²è¤¹¤ë
    function drawMark($line_no) {
        $arrPointList = $this->arrPointList[$line_no];
        $count = count($arrPointList);
        for($i = 0; $i < $count; $i++) {
            $x = $arrPointList[$i][0];
            $y = $arrPointList[$i][1];          
            $this->setMark($line_no, $x, $y);
        }
    }
    
    // ¥é¥Ù¥ë¤òÉÁ²è¤¹¤ë
    function drawLabel($line_no) {
        $arrData = $this->arrDataList[$line_no];
        $arrPointList = $this->arrPointList[$line_no];
        $count = count($arrPointList);
        for($i = 0; $i < $count; $i++) {
            $x = $arrPointList[$i][0];
            $y = $arrPointList[$i][1];
            $text_width = $this->getTextWidth(number_format($arrData[$i]), FONT_SIZE);
            $y_pos = $y - FONT_SIZE - 5;
            $x_pos = $x - $text_width / 2;
            $this->setText(FONT_SIZE, $x_pos, $y_pos, number_format($arrData[$i]));
        }
    }
    
    // ¥Ç¡¼¥¿¤ò¥»¥Ã¥È¤¹¤ë
    function setData($arrData) {
        $this->arrDataList[$this->line_max] = array_values((array)$arrData);
        $this->setMax($this->arrDataList[$this->line_max]);
        // ÃͤÎÉÁ²èÊÑ´¹Î¨
        $rate = $this->area_height / $this->graph_max;
        // ÉÁ²èΨ¤ò·×»»
        $count = count($this->arrDataList[$this->line_max]);
        $scale_width = $this->area_width / ($count + 1);        
        $this->arrPointList[$this->line_max] = array();
        for($i = 0; $i < $count; $i++) {
            // XºÂɸ¤òµá¤á¤ë
            $x = intval($this->left + ($scale_width * ($i + 1)));
            // YºÂɸ¤òµá¤á¤ë
            $y = intval($this->top + $this->area_height - ($this->arrDataList[$this->line_max][$i] * $rate));
            // XYºÂɸ¤òÊݸ¤¹¤ë
            $this->arrPointList[$this->line_max][] = array($x, $y);
        }
        $this->line_max++;
    }
    
    // X¼´¥é¥Ù¥ë¤ò¥»¥Ã¥È¤¹¤ë
    function setXLabel($arrXLabel) {
        $this->arrXLabel = array_values((array)$arrXLabel);
    }
    
    // X¼´¥¿¥¤¥È¥ë¤ò¥»¥Ã¥È¤¹¤ë
    function setXTitle($title) {
        $this->XTitle = $title;
    }
    
    // Y¼´¥¿¥¤¥È¥ë¤ò¥»¥Ã¥È¤¹¤ë
    function setYTitle($title) {
        $this->YTitle = $title;
    }   
}
?>