aliroImage Class Reference

List of all members.

Public Member Functions
	__construct ($path)
	imgresize ($new_width, $new_height)
	saveAs ($path, $highQuality=false)
Private Attributes
	$path = ''
	$image = null

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Detailed Description

Definition at line 3 of file aliroImage.php.

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Constructor & Destructor Documentation

aliroImage::__construct

(

$

path

)

Definition at line 7 of file aliroImage.php.

References $path, and T_().

                                        {
        $this->path = $path;
        $info = pathinfo($path);
        $type = $info['extension'];
        if ('jpg' == $type OR 'jpeg' == $type) $this->image = imagecreatefromjpeg($path);
        elseif ('png' == $type) $this->image = imagecreatefrompng($path);
        elseif ('gif' == $type) $this->image = imagecreatefromgif($path);
        else trigger_error (T_('Class aliroImage create - path has invalid extension - not jpg, jpeg, gif, png'), E_USER_ERROR);
    }

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Member Function Documentation

aliroImage::imgresize	(	$	new_width,
		$	new_height
	)

Definition at line 19 of file aliroImage.php.

References T_().

                                                        {
        if (!$this->image) trigger_error (T_('Class aliroImage resize - no valid image created'), E_USER_ERROR);
        //grab original sizes
        $old_x=imagesx($this->image);
        $old_y=imagesy($this->image);

        // new math to figure aspect ratio
        $ratio = min($new_width/$old_x, $new_height/$old_y);
        $new_height = $old_y * $ratio;
        $new_width = $old_x * $ratio;

        //generate a blank final image
        $dst_img=ImageCreateTrueColor($new_width, $new_height);

        //this resamples the original image and I think uses bicub to create a new image
        imagecopyresampled($dst_img, $this->image, 0, 0, 0, 0, $new_width, $new_height, $old_x, $old_y);
    }

aliroImage::saveAs	(	$	path,
		$	highQuality = false
	)

Definition at line 37 of file aliroImage.php.

References $path, aliroFileManager::getInstance(), and T_().

                                                       {
        if (!$this->image) trigger_error (T_('Class aliroImage save - no valid image created'), E_USER_ERROR);
        //unlink it if it already exists in destination
        $info = pathinfo($path);
        $exts = array('jpg', 'jpeg', 'png', 'gif');
        if (in_array($info['extension'], $exts) {
            aliroFileManager::getInstance()->deleteFile($path);
            switch ($info['extension']) {
                case 'jpg':
                case 'jpeg':
                    if ($highQuality) imagejpeg($this->image, $path, 100);
                    else imagejpeg($this->image, $path);
                    break;
                case 'png':
                    if ($highQuality) imagepng($this->image, $path, 0);
                    else imagepng($this->image, $path);
                    break;
                case 'gif':
                    imagegif($this->image, $path);
                    break;
            }
        }       
        else trigger_error(T_('Class aliroImage save method - path has wrong extension'), E_USER_ERROR);
    }

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Member Data Documentation

aliroImage::$path = '' [private]

Definition at line 4 of file aliroImage.php.

Referenced by __construct(), and saveAs().

aliroImage::$image = null [private]

Definition at line 5 of file aliroImage.php.

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

• aliroImage.php