php打造智能化的柱状图程序，用于报表等_PHP教程
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php打造智能化的柱状图程序，用于报表等
这篇文章主要介绍了php打造智能化的柱状图程序，用于报表等的相关资料,需要的朋友可以参考下
php打造智能化的柱状图程序，用于报表等
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/*** * @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(); /***/ ?> |
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