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cleaned up phpdoc comments, added README on how to install and use it

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This commit is contained in:
El RIDO
2015-08-16 15:55:31 +02:00
parent 3a183470a6
commit 24d18c5313
12 changed files with 336 additions and 86 deletions
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109
lib/vizhash16x16.php
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@@ -24,22 +24,67 @@
class vizhash16x16
{
/**
* hash values
*
* @access private
* @var array
*/
private $VALUES;
/**
* index of current value
*
* @access private
* @var int
*/
private $VALUES_INDEX;
/**
* image width
*
* @access private
* @var int
*/
private $width;
/**
* image height
*
* @access private
* @var int
*/
private $height;
/**
* salt used when generating the image
*
* @access private
* @var string
*/
private $salt;
function __construct()
/**
* constructor
*
* @access public
* @return void
*/
public function __construct()
{
$this->width=16;
$this->height=16;
$this->salt = serversalt::get();
$this->width = 16;
$this->height = 16;
$this->salt = serversalt::get();
}
// Generate a 16x16 png corresponding to $text.
// Input: $text (string)
// Output: PNG data. Or empty string if GD is not available.
function generate($text)
/**
* Generate a 16x16 png corresponding to $text.
*
* @access public
* @param string $text
* @return string PNG data. Or empty string if GD is not available.
*/
public function generate($text)
{
if (!function_exists('gd_info')) return '';
@@ -85,7 +130,13 @@ class vizhash16x16
return $imagedata;
}
private function getInt() // Returns a single integer from the $VALUES array (0...255)
/**
* Returns a single integer from the $VALUES array (0...255)
*
* @access private
* @return int
*/
private function getInt()
{
$v= $this->VALUES[$this->VALUES_INDEX];
$this->VALUES_INDEX++;
@@ -93,18 +144,41 @@ class vizhash16x16
return $v;
}
private function getX() // Returns a single integer from the array (roughly mapped to image width)
/**
* Returns a single integer from the array (roughly mapped to image width)
*
* @access private
* @return int
*/
private function getX()
{
return $this->width*$this->getInt()/256;
}
private function getY() // Returns a single integer from the array (roughly mapped to image height)
/**
* Returns a single integer from the array (roughly mapped to image height)
*
* @access private
* @return int
*/
private function getY()
{
return $this->height*$this->getInt()/256;
}
# Gradient function taken from:
# http://www.supportduweb.com/scripts_tutoriaux-code-source-41-gd-faire-un-degrade-en-php-gd-fonction-degrade-imagerie.html
/**
* Gradient function
*
* taken from:
* http://www.supportduweb.com/scripts_tutoriaux-code-source-41-gd-faire-un-degrade-en-php-gd-fonction-degrade-imagerie.html
*
* @access private
* @param resource $img
* @param string $direction
* @param array $color1
* @param array $color2
* @return resource
*/
private function degrade($img,$direction,$color1,$color2)
{
if($direction=='h') { $size = imagesx($img); $sizeinv = imagesy($img); }
@@ -125,6 +199,15 @@ class vizhash16x16
return $img;
}
/**
* Draw a shape
*
* @access private
* @param resource $image
* @param int $action
* @param int $color
* @return void
*/
private function drawshape($image,$action,$color)
{
switch($action%7)