Community Learn Tools Library Leisure
search
English
Home > Backend Development > PHP Tutorial > body text

PHP creates an intelligent histogram program for reports, etc., bar chart report_PHP tutorial

WBOY
Release： 2016-07-13 09:49:24
Original
852 people have browsed it

php creates an intelligent histogram program for reports, etc., bar chart report

php creates an intelligent histogram program for reports, etc.

<&#63;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) &#63; $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 = $R > 0 &#63; dechex($R) : '00'; 
  $c2 = $G > 0 &#63; dechex($G) : '00'; 
  $c3 = $B > 0 &#63; dechex($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(); 
/***/ 
&#63;>
Copy after login

The above is the entire content of this article, I hope you all like it.

www.bkjia.comtruehttp: //www.bkjia.com/PHPjc/1019460.htmlTechArticlephp creates an intelligent histogram program for reports, etc. Histogram report php creates an intelligent histogram Program, used for reports, etc. php /*** * @project Bar Graph Program * @license GPL...
Related labels：
php bar chart
source：php.cn
Previous article：PHP错误：Forbidden You don't have permission to access / on this server.，permissiontoaccess_PHP教程 Next article：Smarty template installation configuration, smarty installation configuration_PHP tutorial
Statement of this Website
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
Latest Articles by Author
Latest Issues
PHP arrays obtained from URL parameters do not behave as expected I have a URL parameter that contains the category ID and I want to treat it as an array li...
From 2024-04-06 22:09:02
0
1
1428
Where should I place CustomLog directive in apache I'm using php:7.2-apachedocker. I need to disable health check url login access log. Based...
From 2024-04-06 22:03:59
0
1
990
What is the format of the variables in the return value? I am a new learner of php. I found a piece of code: if($x<time()){return[false,'error']...
From 2024-04-06 21:55:20
0
1
778
Problems encountered when using opentbs to generate odt files: values ​​of the same key are displayed in the same row instead of separate columns. I'm using a library called OpenTbs to create odt using PHP, I'm using it because columns a...
From 2024-04-06 20:18:18
0
1
483
Group MySQL results by ID for looping over I have a table with flight data in mysql. I'm writing a php code that will group and displ...
From 2024-04-06 17:27:56
0
1
406
Related Topics
More>
Popular Recommendations
Popular Tutorials
More>
Related Tutorials
Popular Recommendations
Latest courses
Latest Downloads
More>
Web Effects
Website Source Code
Website Materials
Front End Template