null,
'winHeight' => 50,
'winWidth' => 320,
'fontSize' => 25,
'fontPath' => 'tahomabd.ttf',
'bgNoise' => false,
'lineNoise' => false,
'bgColor' => '#F58220',
'noiseColor' => '#000',
'textColor' => '#fff',
'noiseLevel' => '45'
);
////////////////////////////////////////////////////////////////////////////////
function __construct($collection, $settings){
$this->Controller = $collection->getController();
}
////////////////////////////////////////////////////////////////////////////////
public function ShowImage($custom = array())
{
$new_settings = array_merge($this->settings, $custom);
$this->settings = $new_settings;
$this -> win();
}
////////////////////////////////////////////////////////////////////////////////
private function win()
{
//background image
$image = imagecreatetruecolor($this->settings['winWidth'], $this->settings['winHeight'])
or die("" . __FILE__ . "
" . __LINE__ . " :
" ."Cannot Initialize new GD image stream");
$bgColor = $this->hex2rgb($this->settings['bgColor']);
$noiseColor = $this->hex2rgb($this->settings['noiseColor']);
$textColor = $this->hex2rgb($this->settings['textColor']);
$bg = imagecolorallocate($image, $bgColor[0], $bgColor[1], $bgColor[2]);
imagefill($image, 10, 10, $bg);
for ($x=0; $x < $this->settings['noiseLevel']; $x++)
{
for ($y=0; $y < $this->settings['noiseLevel']; $y++)
{
$temp_color = imagecolorallocate($image,$noiseColor[0],$noiseColor[1],$noiseColor[2]);
imagesetpixel( $image, rand(0,$this->settings['winWidth']), rand(0,$this->settings['winHeight']) , $temp_color );
}
}
$char_color = imagecolorallocatealpha($image, $textColor[0], $textColor[1], $textColor[2], 0);
//Font
$font = $this->settings['fontPath'];
$font_size = $this->settings['fontSize'];
////////////////////////////////////
//Image characters
$char = "";
if ( empty($this->settings['characters']) )
{
$this->settings['characters'] = mt_rand(100,10000);
}
$r_x1 = 10; $r_x2 = 20;
$r_y1 = $this->settings['winHeight']/1.8; $r_y2 = $r_y1+10;
$this->settings['characters'] = (string)$this->settings['characters'];
for($i = 0; $i < strlen($this->settings['characters']); $i++ )
{
$char = $this->settings['characters'][$i];
$random_x = mt_rand($r_x1 , $r_x2);
$random_y = mt_rand($r_y1 , $r_y2);
$random_angle = mt_rand(-20 , 20);
imagettftext($image, $font_size, $random_angle,
$random_x, $random_y, $char_color, $font, $char);
$r_x1+=40; $r_x2+=40;
}
////////////////////////////////////
if ($this -> settings['bgNoise'])
$image = $this -> apply_wave($image, $this->settings['winWidth'],
$this->settings['winHeight']);
////////////////////////////////////
//lines
if ($this -> settings['lineNoise'])
{
for ($i=0; $i<$this->settings['winWidth']; $i++ )
{
if ($i%10 == 0)
{
imageline ( $image, $i, 0,
$i+10, 50, $char_color );
imageline ( $image, $i, 0,
$i-10, 50, $char_color );
}
}
}
////////////////////////////////////
return imagepng($image);
imagedestroy($image);
}
///////////////////////////////////////////////////////////
private function apply_wave($image, $width, $height)
{
$x_period = 10;
$y_period = 10;
$y_amplitude = 5;
$x_amplitude = 5;
$xp = $x_period*rand(1,3);
$k = rand(0,100);
for ($a = 0; $a<$width; $a++)
imagecopy($image, $image, $a-1, sin($k+$a/$xp)*$x_amplitude,
$a, 0, 1, $height);
$yp = $y_period*rand(1,2);
$k = rand(0,100);
for ($a = 0; $a<$height; $a++)
imagecopy($image, $image, sin($k+$a/$yp)*$y_amplitude,
$a-1, 0, $a, $width, 1);
return $image;
}
private function hex2rgb($hex) {
$hex = str_replace("#", "", $hex);
if(strlen($hex) == 3) {
$r = hexdec(substr($hex,0,1).substr($hex,0,1));
$g = hexdec(substr($hex,1,1).substr($hex,1,1));
$b = hexdec(substr($hex,2,1).substr($hex,2,1));
} else {
$r = hexdec(substr($hex,0,2));
$g = hexdec(substr($hex,2,2));
$b = hexdec(substr($hex,4,2));
}
$rgb = array($r, $g, $b);
//return implode(",", $rgb); // returns the rgb values separated by commas
return $rgb; // returns an array with the rgb values
}
}