PHP Graphing Column Chart

PHP Drawing Bar Chart

Effect:

 _x = $x;  $this->_y = $y;  $this->_h = $h;  $this->_l = $l;  $this->_w = $w;  $this->_srcpoints = $this->getsrcpoints (); $this->_points = $this->getpoints (); The Public Function getsrcpoints () {return Array (array ($this->_x, $this->_y), Array ($this-&gt ; _x+ $this->_l, $this->_y), Array ($this->_x+ (1.35* $this->_l), $this->_y-(0.35* $this->_l), arr Ay ($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-&G t;_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 Coordinates} public FUnction getbelowpoints () {return Array_merge (Array_slice ($this->_points, 0, 2), Array_slice ($this->_points, 8, 4 ), Array_slice ($this->_points, 2, 2)); The following coordinates} public function getrightsidepoints () {return Array_merge (Array_slice ($this->_points, 2, 2), Array_slice ($thi S->_points, 4), Array_slice ($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, $top _color); DrawTop Face Imagepolygon ($image, $this->gettoppoints (), 4, $borderColor); Draw Top Edge Imagefilledpolygon ($image, $this->getbelowpoints (), 4, $below _color); Draw below Imagepolygon ($image, $this->getbelowpoints (), 4, $borderColor);   Draw the following edge if ($type = = ' Left ') {Imagefilledpolygon ($image, $this->getrightsidepoints (), 4, $side _color);//Draw Right Side Imagepolygon ($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 $_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);  $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 Network 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); Imageline ($this->image, $x 1-5-3, $y 1+10+ ($every _h* $i), $x 1-3+1, $y 1+10+ ($every _h* $i), $dial _color);  Draw tick lines imagestring ($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 wide $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 The height of the equal $i = 0;   foreach ($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 = $C1. $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;  $font _w = Imagefontwidth ($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, 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, $y +12, 0x000000);   Painted 12*12 rectangular box imagettftext ($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-&Gt;_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) + ((3 + + $space) * $counts); return $TX _w;  The Public Function SETBG ($color) {$this->_bgcolor = $color;}  Public Function Settitle ($title) {$this->_title = $title;}  Public Function SetColor () {$ar = array (' FF ', ' xx ', ' + ', ' $ '), ' A ', ' 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];  }}} $color 2 = array ();  for ($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 (+, (+, +, +, +, +), array (' AAAAA ', ' bbbbb ', ' ccccc ', ' ddddd ', ' E Eeeee ', ' FFFFFF ', ' ggggggg ', ' hhhhhhhhh '); $bar->settitle (' Create the perfect histogram! '); $bar->stroke ();/***/?>

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