/*******************************************
  Set up base image 
*******************************************/
// create a blank canvas
$im = imagecreate($width,$height);   
     
// Allocate colors   
$white=ImageColorAllocate($im,255,255,255);   
$blue=ImageColorAllocate($im,0,64,128);   
$black=ImageColorAllocate($im,0,0,0);   
$pink = ImageColorAllocate($im,255,78,243); 

$text_color = $black;
$percent_color = $black;
$bg_color = $white;
$line_color = $black;
$bar_color = $blue;
$number_color = $pink;

// Create "canvas" to draw on 
ImageFilledRectangle($im,0,0,$width,$height,$bg_color);   

// Draw outline around canvas 
ImageRectangle($im,0,0,$width-1,$height-1,$line_color);   

// Add title
$title = 'Poll Results';
$title_dimensions = ImageTTFBBox($title_size, 0, $font, $title);
$title_length = $title_dimensions[2] - $title_dimensions[0];
$title_height = abs($title_dimensions[7] - $title_dimensions[1]);
$title_above_line = abs($title_dimensions[7]);
$title_x = ($width-$title_length)/2;  // center it in x 
$title_y = ($y - $title_height)/2 + $title_above_line; // center in y gap
ImageTTFText($im, $title_size, 0, $title_x, $title_y, 
             $text_color, $font, $title);  

// Draw a base line from a little above first bar location 
// to a little below last  
ImageLine($im, $x, $y-5, $x, $height-15, $line_color);