PHP to create an intelligent histogram program for reports and other _php examples

PHP to create intelligent bar chart programs for reports, etc.

<?php/*** * @project Bar Graph program * @license GPL * @package * @file grapbar.php * @date 2007-4-3 * @version 1.0 * @last modified * definition bar chart (column chart) class * Note, make sure the font path exists and allow access before using, and if so, check the Open_basedir in the php.ini configuration if there is no way 
Path please add, or set up in the program contains * * * Intelligent histogram program, for statements such as * ***/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 =, $w = null) {$this->_x = $x; 
 $this->_y = $y; 
 $this->_h = $h; 
 $this->_l = $l; 
 $this->_w = $w; 
 $this->_srcpoints = $this->getsrcpoints (); 
 $this->_points = $this->getpoints (); The Public Function getsrcpoints () {return Array (array ($this->_x, $this->_y), Array ($this-&G t;_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* $this->_l))); 
 The Public Function getpoints () {$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 ge Tbelowpoints () {return Array_merge (Array_slice ($this->_points, 0, 2), Array_slice ($this->_points, 8, 4), Array_ Slice ($this->_points, 2, 2)); Lower coordinate} public function getrightsidepoints () {return Array_merge (Array_slice ($this->_points, 2, 2), array_s Lice ($this->_points, 4), Array_slice ($this->_points, 4, 2)); RightSide coordinates} public function draw ($image, $topColor, $belowColor, $sideColor, $borderColor = null, $type = ' left ') {i 
 F (Is_null ($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, $side _color); Draw the right side of the Imagepolygon ($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); 
 The 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 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, $value, 0x000000); 
 The Public Function drawbars () {$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); 
 $i + +; }
 The Public Function Drawtitle () {if (Empty ($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, $this->_title); 
 The Public Function Drawlables () {$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 = $y + 12 + 3; The Public Function Resetpaddingbottom () {$ruler _w = $this->_w-$this->_paddingleft-$this->_pa 
 Ddingright; 
 $label _w = $this->getlabletotalwidth (); 
 $lines = ceil ($label _w/$ruler _w); 
 $h = $lines + (3 * ($lines + 1)) + 30; 
 return $h; 
 The Public Function resetheight () {$padding _bottom = $this->resetpaddingbottom (); 
 if ($this->_h-$padding _bottom < 222) {return 222 + $padding _bottom; 
} return $this->_h; 
 The Public Function getlabletotalwidth () {$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 = $color; 
 The Public Function Settitle ($title) {$this->_title = $title; 
 The Public Function SetColor () {$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]. 
  $ar [$k]; 
 $color 2 = Array ()}} 
 For ($i =1 $i <216; $i + + 4) {$color 2[] = $color [$i]; 
 return $color 2; 
 The Public Function getRGB ($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 (m, D, M, 360), Array (' AAAAA ', ' bbbbb ', ' CCCCC ', '). 
DDDD ', ' eeeeee ', ' FFFFFF ', ' ggggggg ', ' hhhhhhhhh '); 
$bar->settitle (' Create a perfect bar chart! '); 
$bar->stroke ();
 /***/?>

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