README

This Yii2 component provide creation thumbnails from original image. Just add array with sizes and have fun!

Installation

The preferred way to install this extension is through composer.

Either run

php composer.phar require --prefer-dist pendalf89/yii2-image-resizer "*"

or add

"pendalf89/yii2-image-resizer": "*"

to the require section of your composer.json file.

Configuration:

'components' => [
    'imageResizer' => [
        'class'                => 'pendalf89\imageresizer\ImageResizer',
        // directory with images
        'dir'                  => '@runtime/images',
        // image sizes. If 'suffix' not set, than width and height be used for suffix name.
        'sizes'                => [
	   // in this case height will be calculated automatically
           ['width' => 800, 'height' => null, 'suffix' => 'lg'],
	   ['width' => 300, 'height' => 200, 'suffix' => 'md'],
	   [
		'width'                    => 300,
		'height'                   => 100,
		'suffix'                   => 'sm',
		'mode'                     => 'inset',
		'thumbnailBackgroundAlpha' => 0,
		'fixedSize'                => true
	   ],
	   ['width' => 200, 'height' => 50], // without suffix. Not recommended.
        ],
        // handle directory recursively
        'recursively'          => true,
        // enable rewrite thumbs if its already exists
        'enableRewrite'        => true,
        // array|string the driver to use. This can be either a single driver name or an array of driver names.
        // If the latter, the first available driver will be used.
        'driver'               => ['gmagick', 'imagick', 'gd2'],
        // image creation mode.
        'mode'                 => 'inset',
        // enable to delete all images, which sizes not in $this->sizes array
        'deleteNonActualSizes' => false,
        // background transparency to use when creating thumbnails in `ImageInterface::THUMBNAIL_INSET`.
	// If "true", background will be transparent, if "false", will be white color.
	// Note, than jpeg images not support transparent background.
        'bgTransparent' => false,
        // want you to get thumbs of a fixed size or not. Has no effect, if $mode set "outbound".
	// If "true" then thumbs will be the exact same size as in the $sizes array.
	// The background will be filled with white color.
	// Background transparency is controlled by the parameter $bgTransparent.
	// If "false", then thumbs will have a proportional size. 
	// If the size of the thumbs larger than the original image,
	// the thumbs will be the size of the original image.
        'fixedSize' => true,
    ],
],

Usage

// resize all images.
Yii::$app->imageResizer->resizeAll();
// resize one image.
Yii::$app->imageResizer->resize('path/to/original/image.png');
// returns thumbs filenames from original image.
Yii::$app->imageResizer->getThumbs('path/to/original/image.png');