Class **Phalcon\\Image\\Adapter\\Gd**
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*extends* abstract class :doc:`Phalcon\\Image\\Adapter <Phalcon_Image_Adapter>`

*implements* :doc:`Phalcon\\Image\\AdapterInterface <Phalcon_Image_AdapterInterface>`

.. role:: raw-html(raw)
   :format: html

:raw-html:`<a href="https://github.com/phalcon/cphalcon/blob/master/phalcon/image/adapter/gd.zep" class="btn btn-default btn-sm">Source on GitHub</a>`

Methods
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public static  **check** ()

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public  **__construct** (*mixed* $file, [*mixed* $width], [*mixed* $height])

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protected  **_resize** (*mixed* $width, *mixed* $height)

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protected  **_crop** (*mixed* $width, *mixed* $height, *mixed* $offsetX, *mixed* $offsetY)

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protected  **_rotate** (*mixed* $degrees)

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protected  **_flip** (*mixed* $direction)

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protected  **_sharpen** (*mixed* $amount)

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protected  **_reflection** (*mixed* $height, *mixed* $opacity, *mixed* $fadeIn)

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protected  **_watermark** (:doc:`Phalcon\\Image\\Adapter <Phalcon_Image_Adapter>` $watermark, *mixed* $offsetX, *mixed* $offsetY, *mixed* $opacity)

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protected  **_text** (*mixed* $text, *mixed* $offsetX, *mixed* $offsetY, *mixed* $opacity, *mixed* $r, *mixed* $g, *mixed* $b, *mixed* $size, *mixed* $fontfile)

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protected  **_mask** (:doc:`Phalcon\\Image\\Adapter <Phalcon_Image_Adapter>` $mask)

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protected  **_background** (*mixed* $r, *mixed* $g, *mixed* $b, *mixed* $opacity)

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protected  **_blur** (*mixed* $radius)

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protected  **_pixelate** (*mixed* $amount)

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protected  **_save** (*mixed* $file, *mixed* $quality)

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protected  **_render** (*mixed* $ext, *mixed* $quality)

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protected  **_create** (*mixed* $width, *mixed* $height)

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public  **__destruct** ()

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public  **getImage** () inherited from :doc:`Phalcon\\Image\\Adapter <Phalcon_Image_Adapter>`

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public  **getRealpath** () inherited from :doc:`Phalcon\\Image\\Adapter <Phalcon_Image_Adapter>`

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public  **getWidth** () inherited from :doc:`Phalcon\\Image\\Adapter <Phalcon_Image_Adapter>`

Image width



public  **getHeight** () inherited from :doc:`Phalcon\\Image\\Adapter <Phalcon_Image_Adapter>`

Image height



public  **getType** () inherited from :doc:`Phalcon\\Image\\Adapter <Phalcon_Image_Adapter>`

Image type Driver dependent



public  **getMime** () inherited from :doc:`Phalcon\\Image\\Adapter <Phalcon_Image_Adapter>`

Image mime type



public  **resize** ([*mixed* $width], [*mixed* $height], [*mixed* $master]) inherited from :doc:`Phalcon\\Image\\Adapter <Phalcon_Image_Adapter>`

Resize the image to the given size



public  **liquidRescale** (*mixed* $width, *mixed* $height, [*mixed* $deltaX], [*mixed* $rigidity]) inherited from :doc:`Phalcon\\Image\\Adapter <Phalcon_Image_Adapter>`

This method scales the images using liquid rescaling method. Only support Imagick



public  **crop** (*mixed* $width, *mixed* $height, [*mixed* $offsetX], [*mixed* $offsetY]) inherited from :doc:`Phalcon\\Image\\Adapter <Phalcon_Image_Adapter>`

Crop an image to the given size



public  **rotate** (*mixed* $degrees) inherited from :doc:`Phalcon\\Image\\Adapter <Phalcon_Image_Adapter>`

Rotate the image by a given amount



public  **flip** (*mixed* $direction) inherited from :doc:`Phalcon\\Image\\Adapter <Phalcon_Image_Adapter>`

Flip the image along the horizontal or vertical axis



public  **sharpen** (*mixed* $amount) inherited from :doc:`Phalcon\\Image\\Adapter <Phalcon_Image_Adapter>`

Sharpen the image by a given amount



public  **reflection** (*mixed* $height, [*mixed* $opacity], [*mixed* $fadeIn]) inherited from :doc:`Phalcon\\Image\\Adapter <Phalcon_Image_Adapter>`

Add a reflection to an image



public  **watermark** (:doc:`Phalcon\\Image\\Adapter <Phalcon_Image_Adapter>` $watermark, [*mixed* $offsetX], [*mixed* $offsetY], [*mixed* $opacity]) inherited from :doc:`Phalcon\\Image\\Adapter <Phalcon_Image_Adapter>`

Add a watermark to an image with the specified opacity



public  **text** (*mixed* $text, [*mixed* $offsetX], [*mixed* $offsetY], [*mixed* $opacity], [*mixed* $color], [*mixed* $size], [*mixed* $fontfile]) inherited from :doc:`Phalcon\\Image\\Adapter <Phalcon_Image_Adapter>`

Add a text to an image with a specified opacity



public  **mask** (:doc:`Phalcon\\Image\\Adapter <Phalcon_Image_Adapter>` $watermark) inherited from :doc:`Phalcon\\Image\\Adapter <Phalcon_Image_Adapter>`

Composite one image onto another



public  **background** (*mixed* $color, [*mixed* $opacity]) inherited from :doc:`Phalcon\\Image\\Adapter <Phalcon_Image_Adapter>`

Set the background color of an image



public  **blur** (*mixed* $radius) inherited from :doc:`Phalcon\\Image\\Adapter <Phalcon_Image_Adapter>`

Blur image



public  **pixelate** (*mixed* $amount) inherited from :doc:`Phalcon\\Image\\Adapter <Phalcon_Image_Adapter>`

Pixelate image



public  **save** ([*mixed* $file], [*mixed* $quality]) inherited from :doc:`Phalcon\\Image\\Adapter <Phalcon_Image_Adapter>`

Save the image



public  **render** ([*mixed* $ext], [*mixed* $quality]) inherited from :doc:`Phalcon\\Image\\Adapter <Phalcon_Image_Adapter>`

Render the image and return the binary string