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I know image helper class in catalog module serves good features for image related options like aspectratio, resize, frame etc.. .

My Question is i have images like customer profile image and store image and category images. So, I have to resize these images in various places and to keep its aspectratio for better image quality.

How can i use these functionalities(catalog/image helper class methods) for various images used in magento?

EDIT

I would like to store these resized images to cache. how can i store this image into cache like product images stored temporarily.

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2 Answers 2

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I've worked on a module for that a while ago. You can get it on Github. It extends the Mage_Catalog_Model_Product_Image class and uses it's functionalities to edit images.

It's probably what you are looking for.

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  • But this module creates images into media/cache. I would like to remove this images when cache is removed.or i wanna make this 'media/cache' directory to magento cache, so it removed when cache removed.How can i do this?
    – Manikandan Arunachalam
    Dec 17, 2014 at 9:19
  • In the model file (github.com/sandermangel/rkimages/blob/master/app/code/community/…) there are several references to the cache directory (line 67, 105,..). You could change those. The cache images will in this case be removed when you flush the image cache
    – Sander Mangel
    Dec 17, 2014 at 10:01
  • But clearCache() not called anywhere in that module and there is no observer too.Then how these directory will be deleted.
    – Manikandan Arunachalam
    Dec 17, 2014 at 10:05
  • When clearCache() is called?..
    – Manikandan Arunachalam
    Dec 17, 2014 at 10:15
  • clearCache should be called when the image cache is flushed.
    – Sander Mangel
    Dec 17, 2014 at 11:12
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You can do that by using "Varien_Image" Class.

// actual path of image - you can change it to any physical image path
$imageUrl = Mage::getBaseDir('media').DS."custom_image_path".DS.$obj->getImage();

// path of the resized image to be saved
// here, the resized image is saved in media/resized folder
$imageResized = Mage::getBaseDir('media').DS."custom_image_path".DS."resized".DS.$obj->getImage();

// resize image only if the image file exists and the resized image file doesn't exist
// the image is resized proportionally with the width/height 72px
if (!file_exists($imageResized) && file_exists($_imageUrl)) :
    $imageObj = new Varien_Image($_imageUrl);
    $imageObj->constrainOnly(TRUE);
    $imageObj->keepAspectRatio(TRUE);
    $imageObj->keepFrame(FALSE);
    $imageObj->resize(72, 72);
    $imageObj->save($imageResized);
endif;

You can use the resized image now as:

<img src="<?php echo Mage::getBaseUrl('media')."custom_image_path/resized/".$obj->getImage() ?>" />
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  • useful but want to use helper catalog/image class features.
    – Manikandan Arunachalam
    Dec 17, 2014 at 10:06

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