PHP는 히스토그램을 그립니다

  /***
 * @project 막대 그래프 프로그램
 * @license GPL
 * @package
 * @file GrapBar.php
 * @date 2007-4-3
 * @version 1.0
 * @last Modified

 * 히스토그램(컬럼차트) 클래스 정의
 *
 * 참고로 사용 전 폰트 경로가 존재하고 접근을 허용하는지 확인하고, error php.ini 구성의 open_basedir 항목에 해당 경로가 없으면 추가하거나 프로그램에 포함하도록 설정하세요.
 *
 * 보고서 등에 사용되는 지능형 히스토그램 프로그램
 *
 * **/

 정의("DEFAULT_FONT_PATH", "c:/windows/fonts/simhei.ttf ");
 class SingleBar
 {
 private $_x;
 비공개 $_y;
 비공개 $_h;
 공개 $_l = 50;
 비공개 $_w = null;
 비공개 $_srcPoints = 배열();
 비공개 $_points = array();

 공개 함수 __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();
 }

 공용 함수 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 )),
 배열($this->_x , $this->_y $this->_h),
 배열($this->_x $this->_l , $this- >_y $this->_h),
 array($this->_x (1.35*$this->_l), $this->_y $this->_h-(0.35*$ this->_l))
 );
 }

 공용 함수 getPoints()
 {
 $points = array();
 foreach($this->_srcPoints as $key => $val)
 {
 $points[] = $val[0];
 $포인트[] = $val[1];
 }
 $포인트를 반환합니다.
 }

 공용 함수 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
 }

 공개 함수 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, $top_color); //페이지 화면
 imagepolygon($image, $this->getTopPoints(), 4, $borderColor); //화면면边线

 imagefilledpolygon($image, $this->getBelowPoints(), 4, $below_color); //아래쪽
 imagepolygon($image, $this->getBelowPoints(), 4, $borderColor); //아래쪽 화면

 if ($type == 'LEFT')
 {
 imagefilledpolygon($image, $this->getRightSidePoints(), 4, $side_color); //画右侧면
 imagepolygon($image, $this->getRightSidePoints(), 4, $borderColor); //画侧면边线
 }
 }

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

 클래스 바
 {
 private $_W;
 비공개 $_H;
 비공개 $_bgColor = "ffffff";
 비공개 $_barHeights = array();
 비공개 $_barTexts = array();
 비공개 $_barColors = array();
 공개 $_title;
 공개 $_paddingTop = 30;
 공개 $_paddingBottom = 100;
 공개 $_paddingLeft = 45;
 공개 $_paddingRight = 2;
 공개 $_barL = 50;
 공개 $이미지;

 공개 함수 __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);
 }

 공용 함수 스트로크()
 {
 $this->drawBg();
 $this->drawBars();
 $this->drawTitle();
 $this->drawLables();
 ob_start();
 //header("콘텐츠 유형: 이미지/png");
 //imagepng($this->image);
 header("콘텐츠 유형: " . image_type_to_mime_type(IMAGETYPE_JPEG));
 imagejpeg($this->image);
 imagedestroy($this->image);
 }

 공개 함수 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'], $rgb['B']);
 imagefilled직사각형($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), $dial_color) ; //확률도线
 imagestring($this->image, 3, $x1-5-3-$str_w-1, $y1 10 ($every_h*$i)-5, $value, 0x000000);
 }
 }


 공개 함수 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고도
 $stander_h = $ruler_h - ($ruler_h/11); //10분할 높이
 $i = 0;
 foreach ($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->_padding하단 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 = $R > 0? 데첵스($R) : '00';
 $c2 = $G > 0? 데첵($G) : '00';
 $c3 = $B > 0? 데첵($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 ;
 }
 }

 공용 함수 drawTitle()
 {
 if (empty($this->_title))
 {
 return;
 }
 $font = 5;
 $font_w = 이미지폰트폭($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);
 }

 공개 함수 drawLables()
 {
 $x1 = $this->_paddingLeft - 5;
 $y1 = $this->_H - $this->_paddingBottom 20;
 $x2 = $this->_W - $this->_paddingRight;
 $y2 = $this->_H - 10;
 //imagefilled직사각형($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'], $rgb['B']);
 imagefilled직사각형($this->image, $x, $y, $x 12, $y 12, $bg); //绘12*12형
 imageRectangle($this->image, $x, $y, $x 12, $y 12, 0x000000); //형 12*12개의 형식
 imagettftext($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;
 }
 }
 }

 공개 함수 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;
 $h를 반환합니다.
 }

 공개 함수 ResetHeight()
 {
 $padding_bottom = $this->resetPaddingBottom();
 if ($this->_H - $padding_bottom < 222)
 {
 return 222 $padding_bottom;
 }
 return $this->_H;
 }


 공개 함수 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);
 $tx_w 반환;
 }

 공개 함수 setBg($color)
 {
 $this->_bgColor = $color;
 }

 공개 함수 setTitle($title)
 {
 $this->_title = $title;
 }

 공용 함수 setColor()
 {
 $ar = array('ff', '00', '33', '66', '99', 'cc' );
 $color = 배열();
 for ($i=0; $i {
 for ($j=0; $j {
 for($ 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;
 }

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

 /***/
 $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->스트로크();
 /***/
 ?>

柱状图, php