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<?php /**** @project Bar Graph Program* @license GPL* @package* @file GrapBar.php* @date 2007-4-3* @version 1.0* @last modified* 定义 柱状图（柱形图） 类** 注意，使用前请确保字体路径存在并允许访问，如果出错，还要检查在php.ini配置中的open_basedir项，如果没此路径请添加，或在程序中设置包含** 智能化的柱状图程序，用于报表等****/ define（"DEFAULT_FONT_PATH", "c:/windows/fonts/simhei.ttf"）; class SingleBar {private $_x;private $_y;private $_h;public $_l = 50;private $_w = null;private $_srcPoints = array（）;private $_points = array（）;public function __construct（$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, $this->_y）, array（$this->_x+（1.35*$this->_l）, $this->_y-（0.35*$this->_l））, array（$this->_x+（0.35*$this->_l）, $this->_y-（0.35*$this->_l））, array（$this->_x , $this->_y+$this->_h）, array（$this->_x+$this->_l, $this->_y+$this->_h）, array（$this->_x+（1.35*$this->_l）, $this->_y+$this->_h-（0.35*$this->_l）））;}public function getPoints（）{$points = array（）;foreach（$this->_srcPoints as $key => $val）{ $points[] = $val[0]; $points[] = $val[1];}return $points;}public function getTopPoints（）{return array_slice（$this->_points, 0, 8）; //顶坐标}public function getBelowPoints（）{return array_merge（array_slice（$this->_points, 0, 2）, array_slice（$this->_points, 8, 4）, array_slice（$this->_points, 2, 2））; //下坐标}public function getRightSidePoints（）{return array_merge（array_slice（$this->_points, 2, 2）, array_slice（$this->_points, 10, 4）, array_slice（$this->_points, 4, 2））; //右侧坐标}public function draw（$image, $topColor, $belowColor, $sideColor, $borderColor = null, $type = "LEFT"）{if （is_null（$borderColor））{ $borderColor = 0xcccccc;} $top_rgb = $this->getRGB（$topColor）;$below_rgb = $this->getRGB（$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, $top_color）; //画顶面imagepolygon（$image, $this->getTopPoints（）, 4, $borderColor）; //画顶面边线 imagefilledpolygon（$image, $this->getBelowPoints（）, 4, $below_color）; //画下面imagepolygon（$image, $this->getBelowPoints（）, 4, $borderColor）; //画下面边线 if （$type == "LEFT"）{ imagefilledpolygon（$image, $this->getRightSidePoints（）, 4, $side_color）; //画右侧面 imagepolygon（$image, $this->getRightSidePoints（）, 4, $borderColor）; //画侧面边线} }public function getRGB（$color）{$ar = array（）;$color = hexdec（$color）;$ar["R"] = （$color>>16） & 0xff;$ar["G"] = （$color>>8） & 0xff;$ar["B"] = （$color） & 0xff;return $ar;} } class Bar {private $_W;private $_H;private $_bgColor = "ffffff";private $_barHeights = array（）;private $_barTexts = array（）;private $_barColors = array（）;public $_title;public $_paddingTop = 30;public $_paddingBottom = 100;public $_paddingLeft = 45;public $_paddingRight = 2;public $_barL = 50;public $image;public function __construct（$imgW, $imgH, $barHeights, $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 = $this->resetHeight（）;$this->image = imagecreatetruecolor（$this->_W, $this->_H）;}public function stroke（）{$this->drawBg（）;$this->drawBars（）;$this->drawTitle（）;$this->drawLables（）;ob_start（）;//header（"Content-type: image/png"）;//imagepng（$this->image）;header（"Content-type: " . image_type_to_mime_type（IMAGETYPE_JPEG））; imagejpeg（$this->image）;imagedestroy（$this->image）;}public function drawBg（）{$img_w = $this->_W;$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,$rgb["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（$this->image, 220, 220, 220）;$border_color = imagecolorallocate（$this->image, 190, 190, 190）;$line_color = imagecolorallocate（$this->image, 236, 236, 236）;$dial_color = imagecolorallocate（$this->image, 131, 131, 131）; $x1 = $paddingLeft;$y1 = $paddingTop;$x2 = $img_w - $paddingRight;$y2 = $img_h - $paddingBottom;imagerectangle（$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<=10; $i++）{ imageline（$this->image, $x1, $y1+（$every_h*$i）, $x2, $y1+（$every_h*$i）, $line_color）; //画网线} $max_h = max（$this->_barHeights）;for（$i=1; $i<=10; $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）, $dial_color）; //画刻度线 imagestring（$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, $counts）; //shuffle（$this->_barColors）;}$every_w = （$this->_W - $this->_paddingLeft - $this->_paddingRight）/$counts; //每一段宽$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 - $this->_paddingBottom; //标尺总高度$stander_h = $ruler_h - （$ruler_h/11）; //标尺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. $c2 . $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, $y2, 0x000000）;$space = 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, $bg）; //绘12*12的矩形imagerectangle（$this->image, $x, $y, $x+12, $y+12, 0x000000）; //绘12*12的矩形框 imagettftext（$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 - $this->_paddingRight;$label_w = $this->getLableTotalWidth（）;$lines = ceil（$label_w / $ruler_w）;$h = 12 * $lines + （3 * （$lines + 1）） + 30;return $h;}public function resetHeight（）{$padding_bottom = $this->resetPaddingBottom（）;if （$this->_H - $padding_bottom < 222）{ return 222 + $padding_bottom;}return $this->_H;}public function getLableTotalWidth（）{$counts = count（$this->_barTexts）;$space = 5;$total_len = 0;foreach （$this->_barTexts as $val）{ $total_len += strlen（$val）;} $tx_w = （$total_len * 9） + （（12 + 3 + $space） * $counts）;return $tx_w;}public function setBg（$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<6; $i++）{ for （$j=0; $j<6; $j++） { for（$k=0; $k<6; $k++） {$color[] = $ar[$i] . $ar[$j] . $ar[$k]; } }} $color2 = array（）;for （$i=1; $i<216; $i += 4）{ $color2[] = $color[$i];}return $color2;}public function getRGB（$color）{$ar = array（）;$color = hexdec（$color）;$ar["R"] = （$color>>16） & 0xff;$ar["G"] = （$color>>8） & 0xff;$ar["B"] = （$color） & 0xff;return $ar;} } /***/ $bar = new Bar（500, 300, array（600, 300, 30, 500, 400, 250, 350, 360）, array（"AAAAA", "BBBBB", "CCCCC", "DDDDD", "EEEEEE", "FFFFFF", "GGGGGGG", "HHHHHHHHH"））; $bar->setTitle（"打造完美柱状图！"）; $bar->stroke（）; /***/ ?>