php繪製長條圖

  /***
 * @project Bar Graph Program
 * @license GPL
 * @package
 * @file GrapBar.php
 * @date 2007-4-3
 * @version 1.00
 * @last modified

 * 定義柱狀圖（柱形圖） 類別
 *
 * 注意，使用前請確保字體路徑存在並允許訪問，如果出錯，也要檢查在php.ini配置中的open_basedir項，如果沒此路徑請添加，或在程序中設置包含
 *
 * 智能化的柱狀圖程序，用於報表等
 *
 * **/

 Define("DEFAULT_FONT_PATH", "c:/windows/fonts/simhei.ttf ” );
 class SingleBar
 {
 private $_x;
私人$_y;
私人$_h;
 公用$_l = 50;
 私有$_h;
 公用$_l = 50;
 私有$_w_w = null;
 private $_srcPoints = array();
 private $_points = array();

 公用函數__construct($x, $y, $h, $l = 50, $w = null)
 {
 $this->_x = $x;
 $this->_y = $y;
 $this->_h = $h;
 $this->_l = $l;
 $this->_w = $w;
 $this->_srcPoints = $this->getSrcPoints();
 $this->_points = $this->getPoints();
 }

 public function getSrcPoints()
 {
 return array(
 array($this->_x , $this->_y),
 array(this $ ->_x $this->_l , $this->_y),
 陣列($this->_x (1.35*$this->_l), $this->_y- (0.35*$這個->_l )),
陣列($這個->_x (0.35*$這個->_l), $這個->_y-(0.35*$這個->_l )),
 陣列($this->_x , $this->_y $this->_h),
 陣列($this->_x $this->_l , $this- >_y $this->_h),
 陣列($this-> _x (1.35*$this->_l), $this->_y $this->_h-(0.35*$這->_l))
 );
 }

 public function getPoints ()
 {
 $points = array();
 foreach($this->_srcPoints as $key => $val)
 {
 $points[] = $val[0 ];
 $points[] = $val[1];
 }
 返回$ 積分；
 }

 public function getTopPoints()
 {
 return array_slice($this->_points, 0, 8); //頂座標
 }

 public function getBelowPoints()
 {
 return array_merge(points_slice($this->_slice($this->_slices($thisarray_slice($this) 0, 2), array_slice($this->; _points, 8, 4), array_slice($this->_points, 2, 2)); //下方座標
 }

 public function getRightSidePoints ()
 {
 return array_merge(array_slice($this->_points, 2, 2), array_slice($this->; _points, 10, 4), array_slice($this->_points, 4, 2 )); // 重力座標
 }

 public function draw($image, $topColor, $belowColor, $sideColor, $borderColor = null, $type = 'LEFT')
 {
 if (is_null($borderColor))
 {
 $borderColor = 0xcccccc;
 }

 $top_rgb = $this->getRGB($topColleor); = $this->getRGB($belowColor);
 $side_rgb = $this->getRGB($sideColor);
 $top_color = imagecolorallocate($image, $top_rgb['R'], $top_rgb[' G'], $top_rgb['B']);
 $below_color = imagecolorallocate($image, $below_rgb['R'], $below_rgb['G'], $below_rgb['B']);
 $side_color = imagecolorallocate($image, $side_rgb['R'], $side_rgb['G'], $side_rgb['B']);

 imagefilledpolygon($image, $this> getTopPoints(), 4, $top_color); //畫頂面
 imagepolygon($image, $this->getTopPoints(), 4, $borderColor); //畫頂邊邊線

 imagefilledpolygongongon ($image, $this->getBelowPoints(), 4, $below_color); //畫下面
 imagepolygon($image, $this->getBelowPoints(), 4, $borderColor); //畫下邊線

 if ($type == 'LEFT')
 {
 imagefilledpolygon($image, $this->getRightSidePoints(), 4, $side_color); //畫右側面
 imagepolygon($image, $this->getRightSidePoints(), 4, $borderColor); //畫側邊線
 }
 }

 public function getRGB($color)
 {
 $ar = array();
 $color = hexdec($color);
 $ar['R'] = ($color>>16) & 0xff;
 $ar['G '] = ($color>>8) & 0xff;
 $ar['B'] = ($color) & 0xff;
 回傳$ar;
 }  }

 類酒吧
 {
 私人$_W;
私人$_H;
 private $_bgColor = "ffffff";
 private $_barHeights = array(); > private $_barTexts = array();
 private $_barColors = array();
公共$_title;
公共$_paddingTop = 30;
公共$_paddingBottom = 100 _paddingLeft = 45;
公共$_paddingRight = 2;
公共$_barL = 50;
 公用$image;

 公用函式__construct($imgW, $imgH, $imgH, $ barTexts = null, $barColors = null)
 {
 $this->_W = $imgW;
 $this->_H = $imgH;
 $this->_barHeights = $barHeights;
 $this->_barTexts = $barTexts;
 $this->_barColors = $barColors;
 $this->_paddingBottom = $this->resetPaddingBottom();
 $this->_H = $this->resetPaddingBottom();
 $this->_H = $this->resetPaddingBottom();
 $this->_H = $this->resetPaddingBottom();
 $this->_H = $this->resetPaddingBottom();
 $this->_H = $this->resetPaddingBottom(); this->resetHeight();
 $this->image = imagecreatetruecolor($this->_W, $this->_H);
 }

 公用函數中風()
 {
 $this->drawBg();
 $this->drawBars();
 $this->drawTitle();
 $this->drawLables();
 ob_start() ;
 // header("內容類型：image/png");
 //imagepng($this->image);
 header("內容類型：" .image_type_to_mime_type(IMAGETYPE_JPEG));
 imagejpeg($this->image);
 imagedestroy($this->image);
 }

 public function drawBg()
 {
 $thisimg_w = $ ->_W;
 $img_h = $this->_H;
 $paddingTop = $this->_paddingTop;
 $paddingBottom = $this->_paddingBottom;
 $paddingLeft = $this-> _paddingLeft;
 $paddingRight = $this->_paddingRight;
 $rgb = $this->getRGB($this->_bgColor);
 $bg = imagecolorallocate($this->image,$rg[ 'R'], $rgb['G'], $rgb['B']);
 imagefilledrectangle($this->image, 0, 0, $img_w, $img_h, $bg);
 $side_bg = imagecolorallocatealpha($this->image, 220, 220, 220, 75);
 $side_bg2 = imagecolorallocate($this->image, 220, 220, 220); this->image, 190, 190, 190);
 $line_color = imagecolorallocate($this->image, 236, 236, 236);
 $dial_color = imagecolorallocate($this-1. , 131);

 $x1 = $paddingLeft;
 $y1 = $paddingTop;
 $x2 = $img_w - $paddingRight;
 $y2 = $img_h - $paddingBot; 🎜> imagerectangle($this->image, $x1, $y1, $x2, $y2, $border_color);
 imagefilledpolygon($this->image, array($x1-5,$y1 10, $x1 -5,$y2 10, $x1,$y2, $x1,$y1), 4, $side_bg) ;
 imagepolygon($this->image, array($x1-5,$y1 10, $x1 -5,$y2 10, $x1,$y2, $x1,$y1), 4, $border_color) ;
 imagefilledpolygon($this->image, array($x1-5,$y2 10, $x2 -5,$y2 10, $x2,$y2, $x1,$y2), 4, $side_bg) ;
 imagepolygon($this->image, array($x1-5,$y2 10, $x2 -5,$y2 10, $x2,$y2, $x1,$y2), 4, $border_color) ;
 imageline($this->image, $x1, $y2, $x2, $y2, $ side_bg2);

 $total_h = $img_h - $paddingTop - $paddingBottom;
 $every_h = $total_h/11;
 for($i=1; $i {
 imageline($this->image, $x1, $y1 ($every_h*$i), $x2 , $y1 ($every_h*$i), $line_color); //畫線
 }

 $max_h = max($this->_barHeights);
 for($i=1; $i {
 $value = $max_h - (($max_h/10)*($i-1));
 $value = strval($value);
 $str_w = strlen($value)*5;
 imageline ($this->image, $x1-5-3, $y1 10 ($every_h*$i), $x1-3 1, $y1 10 ($every_h*$i), $dial_color) ; //畫最線
 imagestring($this->image, 3, $x1-5-3-$str_w-1, $y1 10 ($every_h*$i)-5, $value, 0x000000);
 }
 }


 public function drawBars()
 {
 $counts = count($this->_barHeights);
 if (empty($this->_barColors))
 {
 $color = $this->setColor();
 $this->_barColors = array_slice($color, 0, $counts);
 //隨機播放($this-> _barColors);
}
 $every_w = ($this->_W - $this->_paddingLeft - $this->_paddingRight)/$counts; // 每一段寬
 $barL = $every_w;
 $barL = ($barL > $this->_barL*1.35 6) ? $this->_barL : $barL/1.35 - 6;
 $max_h = max($this->_barHeights);
 $ruler_h = $this->_H - $this->_paddingTop - $this->_paddingBottom; //標尺總高度
 $stander_h = $ruler_h - ($ruler_h/11); //標尺10等分的高度
 $i = 0;
 foreach ($this->_barHeights as $val)
 {
 $h = ($stander_h/$max_h)*$val;
 $x = $this->_paddingLeft ($every_w*$i) (($every_w - ($barL*1.35))/2);;
 $y = $this->_H - $this->_paddingBottom 10 - $h;
 //$t_color = $this->_barColors[$i];
 $b_color = $this->_barColors[$i];
 //$s_color = $this->_barColors[$i];


 $rgb = $this->getRGB($this->_barColors[$i]);
 $R = $rgb['R'] * 0.7;
 $G = $rgb['G'] * 0.7;
 $B = $rgb['B'] * 0.7;

 $c1 = $R > 0 ？ dechex($R) : '00';
 $c2 = $G > 0 ? dechex($G) : '00';
 $c3 = $B > 0 ? dechex($B) : '00';

 $t_color = $b_color;
 $s_color = $c1。 $c3;

 $SingleBar = new SingleBar($x, $y, $h, $barL);
 $SingleBar->draw($this->image, $t_color, $b_color, $s_color);
 $i ;
 }
 }

 public function drawTitle()
 {
 if (empty($this->_title))
 {
 return;
 }
 $font = 5;
 $font_w = imagefontwidth($font);
 $len = strlen($this->_title);
 $x = ($this->_W $this->_paddingLeft - $this->_paddingRight)/2;
 $x -= ($len*$font_w)/2;
 $y = ($this->_paddingTop - $font_w)/2 12;
 //imagestring($this->image, $font, $x, $y, $title, 0x000000);
 imagettftext($this->image, 12, 0, $x, $y, 0x000000, DEFAULT_FONT_PATH, $this->_title);
 }

 public function drawLables()
 {
 $x1 = $this->_paddingLeft - 5;
 $y1 = $this->_H - $this->_paddingBottom 20;
 $x2 = $this->_W - $this->_paddingRight;
 $y2 = $this->_H - 10;
 //imagefilledrectangle($this->image, $x1, $y1, $x2, $y2, 0xffffff);
 imagerectangle($this->image, $x1, $y1, $x2, $y2, 0x000000);
 $空間 = 5;
 $x = $x1 3;
 $y = $y1 3;
 foreach ($this->_barTexts as $key => $val)
 {
 $color = $this->_barColors[$key];
 $rgb = $this->getRGB($color);
 $bg = imagecolorallocate($this->image,$rgb['R'], $rgb['G'], $rgb['B']);
 imagefilledrectangle($this->image, $x, $y, $x 12, $y 12, $bg); // 同等12*12的形狀
 imagerectangle($this->image, $x, $y, $x 12, $y 12, 0x000000); // 類似12*12的圖形框
 imagettftext($this->image, 12, 0, $x 12 3, $y 12, 0x000000, DEFAULT_FONT_PATH, $val);
 $x = 12 $space (strlen($val)*8) $space;
 if ($x (strlen($val)*8) >= $this->_W - $this->_paddingLeft - $this->_paddingRight)
 {
 $x = $x1 3；
 $y = $y 12 3;
 }
 }
 }

 public function resetPaddingBottom()
 {
 $ruler_w = $this->_W - $this->_paddingLeft - $this- >_ft -Right ;
 $label_w = $this->getLableTotalWidth();
 $lines = ceil($label_w / $ruler_w);
 $h = 12 * $lines (3 * ($lines 1)) 30;
 回傳$h;
 }

 public function resetHeight()
 {
 $padding_bottom = $this->resetPaddingBottom();
 if ($this->_H - $padding_bottom  {
 return 222 $padding_bottom;
 }
 return $this->_H;
 }


 public function getLableTotalWidth()
 {
 $counts = count($this->_barTexts);
 $空間 = 5;
 $total_len = 0;
 foreach ($this->_barTexts as $val)
 {
 $total_len = strlen($val);
 }

 $tx_w = ($total_len * 9) ((12 3 $space) * $counts);
 回傳 $tx_w;
 }

 public function setBg($color)
 {
 $this->_bgColor = $color;
}

 public function setTitle($title)
 {
 $this->_title = $title;
 }

 public function setColor()
 {
 $ar = array('ff', '00', '33', '66', '99', 'cc' );
 $color = array()
 for ($i=0; $i {
 for ($j=0; $j {
 for($ k=0; $k {
 $color[] = $ar[$i] 。 ar[$k];
 }
 }
 }

 $color2 = array();
 for ($i=1; $i {
 $color2[] = $color[$i];

 return $color2;
 }

 public function getRGB($顏色)
 {
 $ar = array()
 $color = hexdec($color);
 $ar['R'] = ($color>>16) & 0xff
 $ar['G '] = ($color>>8) & 0xff;
 $ar['B'] = ($color) & 0xff;
 回傳$ar
 }
 }

 /***/
 $bar = new Bar(500, 300, array(600, 300, 30, 500, 400, 250, 350, 360) , array('AAAAA ', 'BBBBB', 'CCCCC 'BBBBB', 'CC ', 'DDDDD', 'EEEEEE', 'FFFFFF', 'GGGGGGGG', 'HHHHHHHHH'));
 $bar->setTitle('打造完美柱狀圖!');
 $bar->中風()
 /***/
 ?>

長條圖, php