PHP to create an intelligent bar chart program, for reporting, etc.

This article mainly introduces PHP to create intelligent histogram program, for the report and other relevant information, the need for friends can refer to the

PHP to create an intelligent bar chart program, for reporting, etc.

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<?php/*** * @project Bar Graph program * @license GPL * @package * @file grapbar.php * @date 2007-4-3 * @version 1.0 * @last Modified   * Define bar Chart (column chart) class * * Note that before using, make sure that the font path exists and allow access, and if so, check the Open_basedir entry in the php.ini configuration if you do not have this path to add, or set up in the program containing * * Intelligent histogram procedure for reporting, etc. * ***/  define ("Default_font_path", "C:/windows/fonts/simhei.ttf"); Class Singlebar {Private $_x, private $_y, private $_h, public $_l =, private $_w = null; private $_srcpoints = Array ( ); Private $_points = Array ();   Public Function __construct ($x, $y, $h, $l =, $w = null) {$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);//Top coordinate}   public Function Getb Elowpoints () {return Array_merge (Array_slice ($this->_points, 0, 2), Array_slice ($this->_points, 8, 4), Array_ Slice ($this->_points, 2, 2)); Lower coordinates}   Public Function getrightsidepoints () {return Array_merge (Array_slice ($this->_points, 2, 2), Array_slic E ($this->_points, 4), Array_slice ($this->_points, 4, 2)); Right coordinate}   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, $top _color); Draw Top Imagepolygon ($image, $this->gettoppoints (), 4, $borderColor); Draw Top Edge   Imagefilledpolygon ($image, $this->getbelowpoints (), 4, $below _color); Draw below Imagepolygon ($image, $this->getbelowpoints (), 4, $borderColor); Draw the following sideline   if ($type = = ' Left ') {Imagefilledpolygon ($image, $this->getrightsidepoints (), 4, $side _color);/Draw Right side I Magepolygon ($image, $this->getrightsidepoints (), 4, $borderColor); Draw Side Edge}}   Public function getRGB ($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 $_b artexts = 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; $pa Ddingbottom = $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);   $x 1 = $paddingLeft; $y 1 = $paddingTop; $x 2 = $img _w-$paddingRight; $y 2 = $img _h-$paddingBottom; Imagerectangle ($this->image, $x 1, $y 1, $x 2, $y 2, $border _color); Imagefilledpolygon ($this->image, Array ($x 1-5, $y 1+10, $x 1-5, $y 2+10, $x 1, $y 2, $x 1, $y 1), 4, $side _BG); Imagepolygon ($this->image, Array ($x 1-5, $y 1+10, $x 1-5, $y 2+10, $x 1, $y 2, $x 1, $y 1), 4, $border _color); Imagefilledpolygon ($this->image, Array ($x 1-5, $y 2+10, $x 2-5, $y 2+10, $x 2, $y 2, $x 1, $y 2), 4, $side _BG); Imagepolygon ($this->image, Array ($x 1-5, $y 2+10, $x 2-5, $y 2+10, $x 2, $y 2, $x 1, $y 2), 4, $border _color); Imageline ($this->image, $x 1, $y 2, $x 2, $y 2, $side _bg2);   $total _h = $img _h-$paddingTop-$paddingBottom; $every _h = $total _H/11; For ($i =1 $i <=10; $i + +) {imageline ($this->image, $x 1, $y 1+ ($every _h* $i), $x 2, $y 1+ ($every _h* $i), $line _color); Draw Cable}   $max _h = max ($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, $x 1-5-3, $y 1+10+ ($every _h* $i), $x 1-3+1, $y 1+10+ ($every _h* $i), $dial _color); Draw tick-Mark line imagestring ($this->image, 3, $x 1-5-3-$str _w-1, $y 1+10+ ($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; Each section of width $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; Ruler total height $stander _h = $ruler _h-($ruler _H/11); Ruler 10 equal height $i = 0; foreach ($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;   $c 1 = $R > 0? Dechex ($R): ' 00 '; $c 2 = $G > 0? Dechex ($G): ' 00 '; $c 3 = $B > 0? Dechex ($B): ' 00 ';   $t _color = $b _color; $s _color = $c 1. $c 2. $c 3;   $SingleBar = new Singlebar ($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; $font _w = Imagefontwidth ($fon T); $len = strlen ($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, $this->_title); }   Public Function Drawlables () {$x 1 = $this->_paddingleft-5; $y 1 = $this->_h-$this->_paddingbottom + 20; $x 2 = $this->_w-$this->_paddingright; $y 2 = $this->_h-10; Imagefilledrectangle ($this->image, $x 1, $y 1, $x 2, $y 2, 0XFFFFFF); Imagerectangle ($this->image, $x 1, $y 1, $x 2, $y 2, 0x000000); $space = 5; $x = $x 1 + 3; $y = $y 1 + 3; foreach ($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, $BG); Painted 12*12 rectangular imagerectangle ($this->image, $x, $y, $x +12, $y +12, 0x000000); Painted 12*12 Rectangular frame imagettftext ($this->image, 0, $x +12+3, $y +12, 0x000000, Default_font_path, $val); $x + + $space + (strlen ($val) *8) + $space; if ($x + (strlen ($val) *8) >= $this->_w-$this->_paddingleft-$this->_paddingright) {$x = $x 1 + 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 = $lines + (3 * ($lines + 1)) + 30; return $h; }   Public Function resetheight () {$padding _bottom = $this->resetpaddingbottom (); if ($this->_h-$padding _bot Tom < 222) {return 222 + $padding _bottom} return $this->_h; }     Public function getlabletotalwidth () {$counts = count ($this->_bartexts); $space = 5; $total _len = 0; F Oreach ($this->_bartexts as $val) {$total _len + = strlen ($val);}   $tx _w = ($total _len * 9) + ((+ 3 + $space) * $counts); return $TX _w; }   Public Function SETBG ($color) {$this->_bgcolor = $color;}   Public Function Settitle ($title) {$this-&G T;_title = $title;   Public Function SetColor () {$ar = array (' FF ', ', ', ', ', ', ', ', ', ', ' 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]; }}   $color 2 = array (); For ($i =1 $i <216; $i + + 4) {$color 2[] = $color [$i];}   return $color 2; }   Public Function getRGB ($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 (+, +, 360), Array (' AAAAA ', ' bbbbb ', ' CCCCC ', '), ' Ddddd ', ' eeeeee ', ' FFFFFF ', ' ggggggg ', ' hhhhhhhhh '); $bar->settitle (' Create a perfect bar chart! '); $bar->stroke (); /***/?>

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