ilSecurImage Class Reference

SecurImage Wrapper (very simply wrapper, does not abstract other captchas) More...

Collaboration diagram for ilSecurImage:

Public Member Functions
	__construct ()
	Constructor. More...
	getSecureImageObject ()
	check ($a_input)
	showImage ()
	setImageHeight ($image_height)
	getImageHeight ()
	setImageWidth ($image_width)
	getImageWidth ()

Data Fields
const	MAX_CAPTCHA_IMG_WIDTH = 430
const	MAX_CAPTCHA_IMG_HEIGHT = 160

Protected Attributes
	$image_width = 0
	$image_height = 0
	$securimage

Static Protected Attributes
static	$supported_audio_languages

Detailed Description

SecurImage Wrapper (very simply wrapper, does not abstract other captchas)

Author

Alex Killing alex..nosp@m.kill.nosp@m.ing@g.nosp@m.mx.d.nosp@m.e

Michael Jansen mjans.nosp@m.en@d.nosp@m.ataba.nosp@m.y.de

Version

$Id$

Definition at line 13 of file class.ilSecurImage.php.

Constructor & Destructor Documentation

__construct()

ilSecurImage::__construct

(

)

Constructor.

Definition at line 50 of file class.ilSecurImage.php.

        {
                ilSecurImageUtil::includeSecurImage();
                $this->securimage = new Securimage();
                if(!function_exists("imagettftext"))
                {
                        $this->securimage->use_gd_font = true;
                }
 
                $this->securimage->num_lines = 3;
        }

References ilSecurImageUtil\includeSecurImage().

Here is the call graph for this function:

Member Function Documentation

check()

ilSecurImage::check

(

$a_input

)

Parameters

$a_input

Returns

bool

Definition at line 74 of file class.ilSecurImage.php.

        {
                return $this->securimage->check($a_input);
        }

getImageHeight()

ilSecurImage::getImageHeight

(

)

Returns

int

Definition at line 125 of file class.ilSecurImage.php.

        {
                return $this->image_height;
        }

References $image_height.

getImageWidth()

ilSecurImage::getImageWidth

(

)

Returns

int

Definition at line 146 of file class.ilSecurImage.php.

        {
                return $this->image_width;
        }

References $image_width.

getSecureImageObject()

ilSecurImage::getSecureImageObject

(

)

Returns

Securimage

Definition at line 65 of file class.ilSecurImage.php.

        {
                return $this->securimage;
        }

References $securimage.

setImageHeight()

ilSecurImage::setImageHeight

(

$image_height

)

Parameters

int

$image_height

Exceptions

InvalidArgumentException

Definition at line 113 of file class.ilSecurImage.php.

        {
                if(!is_numeric($image_height) || $image_height > self::MAX_CAPTCHA_IMG_HEIGHT)
                {
                        throw new InvalidArgumentException('Please provide a valid image height (numeric value > 0 and <= ' . self::MAX_CAPTCHA_IMG_HEIGHT);
                }
                $this->image_height = $image_height;
        }

References $image_height.

setImageWidth()

ilSecurImage::setImageWidth

(

$image_width

)

Parameters

int

$image_width

Exceptions

InvalidArgumentException

Definition at line 134 of file class.ilSecurImage.php.

        {
                if(!is_numeric($image_width) || $image_width > self::MAX_CAPTCHA_IMG_WIDTH)
                {
                        throw new InvalidArgumentException('Please provide a valid image width (numeric value > 0 and <= ' . self::MAX_CAPTCHA_IMG_WIDTH);
                }
                $this->image_width = $image_width;
        }

References $image_width.

showImage()

ilSecurImage::showImage

(

)

Definition at line 82 of file class.ilSecurImage.php.

        {
                chdir(ilSecurImageUtil::getDirectory());
                $this->securimage->show();
        }

References ilSecurImageUtil\getDirectory().

Here is the call graph for this function:

Field Documentation

$image_height

ilSecurImage::$image_height = 0

protected

Definition at line 33 of file class.ilSecurImage.php.

Referenced by getImageHeight(), and setImageHeight().

$image_width

ilSecurImage::$image_width = 0

protected

Definition at line 28 of file class.ilSecurImage.php.

Referenced by getImageWidth(), and setImageWidth().

$securimage

ilSecurImage::$securimage

protected

Definition at line 38 of file class.ilSecurImage.php.

Referenced by getSecureImageObject().

$supported_audio_languages

ilSecurImage::$supported_audio_languages

staticprotected

Initial value:

= array(
                'fr', 'de'
        )

Definition at line 43 of file class.ilSecurImage.php.

MAX_CAPTCHA_IMG_HEIGHT

const ilSecurImage::MAX_CAPTCHA_IMG_HEIGHT = 160

Definition at line 23 of file class.ilSecurImage.php.

MAX_CAPTCHA_IMG_WIDTH

const ilSecurImage::MAX_CAPTCHA_IMG_WIDTH = 430

Definition at line 18 of file class.ilSecurImage.php.

---

The documentation for this class was generated from the following file:

• Services/Captcha/classes/class.ilSecurImage.php