Mage_Media_Model_File_Image Class Reference

Inheritance diagram for Mage_Media_Model_File_Image:

List of all members.

Public Member Functions
	load (Mage_Media_Model_Image $object, $file, $field=null)
	save (Mage_Media_Model_Image $object)
	delete (Mage_Media_Model_Image $object)
	getImage (Mage_Media_Model_Image $object)
	getTmpImage (Mage_Media_Model_Image $object)
	resize (Mage_Media_Model_Image $object)
	watermark (Mage_Media_Model_Image $object)
	saveAs (Mage_Media_Model_Image $object, $extension=null)
	getDimensions (Mage_Media_Model_Image $object)
	destroyResource (&$resource)
	hasSpecialImage (Mage_Media_Model_Image $object)
Protected Member Functions
	_construct ()
	_getReadAdapter ()
	_getWriteAdapter ()

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Detailed Description

Definition at line 35 of file Image.php.

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Member Function Documentation

_construct

(

)

[protected]

Resource initialization

Reimplemented from Mage_Core_Model_Resource_Abstract.

Definition at line 40 of file Image.php.

    {
        return $this;
    }

_getReadAdapter

(

)

[protected]

Retrieve connection for read data

Reimplemented from Mage_Core_Model_Resource_Abstract.

Definition at line 48 of file Image.php.

    {
        return false;
    }

_getWriteAdapter

(

)

[protected]

Retrieve connection for write data

Reimplemented from Mage_Core_Model_Resource_Abstract.

Definition at line 56 of file Image.php.

    {
        return false;
    }

delete

(

Mage_Media_Model_Image $

object

)

Definition at line 73 of file Image.php.

    {
        return $this;
    }

destroyResource

(

&$

resource

)

Destroys resource object

Parameters:

resource

$resource

Definition at line 213 of file Image.php.

    {
        imagedestroy($resource);
        return $this;
    }

getDimensions

(

Mage_Media_Model_Image $

object

)

Retrive image dimensions

Parameters:

Mage_Media_Model_Image

$object

Returns:

Varien_Object

Definition at line 197 of file Image.php.

    {
        $info = @getimagesize($object->getFilePath());
        if(!$info) {
            Mage::throwException(Mage::helper('media')->__('Image not exists or invalid'));
        }

        $info = array('width'=>$info[0], 'height'=>$info[1], 'type'=>$info[2]);
        return new Varien_Object($info);
    }

getImage

(

Mage_Media_Model_Image $

object

)

Create image resource for operation from file

Parameters:

Mage_Media_Model_Image

$object

Returns:

Mage_Media_Model_File_Image

Definition at line 84 of file Image.php.

    {
        $resource = false;
        switch(strtolower($object->getExtension())) {
            case 'jpg':
            case 'jpeg':
                $resource = imagecreatefromjpeg($object->getFilePath());
                break;

            case 'gif':
                $resource = imagecreatefromgif($object->getFilePath());
                break;

            case 'png':
                $resource = imagecreatefrompng($object->getFilePath());
                break;
        }

        if(!$resource) {
            Mage::throwException(Mage::helper('media')->__('Image not exists or invalid'));
        }


        return $resource;
    }

getTmpImage

(

Mage_Media_Model_Image $

object

)

Create tmp image resource for operations

Parameters:

Mage_Media_Model_Image

$object

Returns:

Mage_Media_Model_File_Image

Definition at line 116 of file Image.php.

    {
        $resource = imagecreatetruecolor($object->getDestanationDimensions()->getWidth(), $object->getDestanationDimensions()->getHeight());
        return $resource;
    }

hasSpecialImage

(

Mage_Media_Model_Image $

object

)

Destroys resource object

Parameters:

resource

$resource

Definition at line 224 of file Image.php.

    {
        if(file_exists($object->getFilePath(true))) {
            return true;
        }

        return false;
    }

load	(	Mage_Media_Model_Image $	object,
		$	file,
		$	field = null
	)

Definition at line 61 of file Image.php.

    {
        // Do some implementation
        return $this;
    }

resize

(

Mage_Media_Model_Image $

object

)

Resize image

Parameters:

Mage_Media_Model_Image

$object

Returns:

Mage_Media_Model_File_Image

Definition at line 128 of file Image.php.

    {
        $tmpImage = $object->getTmpImage();
        $sourceImage = $object->getImage();

        imagecopyresampled(
            $tmpImage,
            $sourceImage,
            0, 0, 0, 0,
            $object->getDestanationDimensions()->getWidth(),
            $object->getDestanationDimensions()->getHeight(),
            $object->getDimensions()->getWidth(),
            $object->getDimensions()->getHeight()
        );

        return $this;
    }

save

(

Mage_Media_Model_Image $

object

)

Definition at line 67 of file Image.php.

    {
        // Do some implementation
        return $this;
    }

saveAs	(	Mage_Media_Model_Image $	object,
		$	extension = null
	)

Creates image

Parameters:

	Mage_Media_Model_Image	$object
	string|null	$extension

Returns:

Mage_Media_Model_File_Image

Definition at line 164 of file Image.php.

    {
        if(is_null($extension)) {
            $extension = $object->getExtension();
        }

        $result = false;
        switch (strtolower($extension)) {
            case 'jpg':
            case 'jpeg':
                $result = imagejpeg($object->getTmpImage(), $object->getFilePath(true), 80);
                break;
            case 'gif':
                $result = imagegif($object->getTmpImage(), $object->getFilePath(true));
                break;
            case 'png':
                $result = imagepng($object->getTmpImage(), $object->getFilePath(true));
                break;
        }

        if(!$result) {
            Mage::throwException(Mage::helper('media')->__('Error while creating image'));
        }

        return $this;
    }

watermark

(

Mage_Media_Model_Image $

object

)

Add watermark for image

Parameters:

Mage_Media_Model_Image

$object

Returns:

Mage_Media_Model_File_Image

Definition at line 152 of file Image.php.

    {
        return $this;
    }

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

• app/code/core/Mage/Media/Model/File/Image.php