Standard::scale() - Code Metrics - Inspection of "Preserve transparency after scaling in PNG images" - aimeos/aimeos-core - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( d5813f...68cb64 )

by Aimeos

created 2017-01-05 23:05 UTC

Standard::scale() C

↳ Parent: Standard

Complexity

Conditions	11
Paths	26

Size

Total Lines	41
Code Lines	21

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
cc	11
eloc	21
nc	26
nop	3
dl	0
loc	41
rs	5.2653
c	0
b	0
f	0

How to fix Complexity

<?php

/**
 * @copyright Metaways Infosystems GmbH, 2014
 * @license LGPLv3, http://opensource.org/licenses/LGPL-3.0
 * @copyright Aimeos (aimeos.org), 2015-2017
 * @package MW
 * @subpackage Media
 */


namespace Aimeos\MW\Media\Image;


/**
 * Default image class using GDLib.
 *
 * @package MW
 * @subpackage Media
 */
class Standard
	extends \Aimeos\MW\Media\Image\Base

	implements \Aimeos\MW\Media\Image\Iface
{
	private $image;
	private $origimage;
	private $options;


	/**
	 * Initializes the new image object.
	 *
	 * @param string $filename Name of the media file
	 * @param string $mimetype Mime type of the media data
	 * @param array $options Associative list of configuration options
	 * @throws \Aimeos\MW\Media\Exception If image couldn't be retrieved from the given file name
	 */
	public function __construct( $filename, $mimetype, array $options )
	{
		parent::__construct( $filename, $mimetype );

		if( ( $content = @file_get_contents( $filename ) ) === false ) {
			throw new \Aimeos\MW\Media\Exception( sprintf( 'Unable to read from file "%1$s"', $filename ) );
		}

		if( ( $this->image = @imagecreatefromstring( $content ) ) === false ) {
			throw new \Aimeos\MW\Media\Exception( sprintf( 'The image type in "%1$s" seems to be not supported by gdlib.', $filename) );
		}

		if( imagealphablending( $this->image, false ) === false ) {
			throw new \Aimeos\MW\Media\Exception( sprintf( 'GD library failed (imagealphablending)') );
		}

		$this->options = $options;
	}


	/**
	 * Cleans up
	 */
	public function __destruct()
	{
		if( $this->origimage ) {
			imagedestroy( $this->origimage );
		}

		if( $this->image ) {
			imagedestroy( $this->image );
		}
	}


	/**
	 * Stores the media data at the given file name.
	 *
	 * @param string $filename Name of the file to save the media data into
	 * @param string $mimetype Mime type to save the image as
	 * @throws \Aimeos\MW\Media\Exception If image couldn't be saved to the given file name
	 */
	public function save( $filename, $mimetype )
	{
		switch( $mimetype )
		{
			case 'image/gif':

				if( @imagegif( $this->image, $filename ) === false ) {
					throw new \Aimeos\MW\Media\Exception( sprintf( 'Unable to save image to file "%1$s"', $filename ) );
				}

				break;

			case 'image/jpeg':

				$quality = 75;
				if( isset( $this->options['image']['jpeg']['quality'] ) ) {
					$quality = (int) $this->options['image']['jpeg']['quality'];
				}

				if( @imagejpeg( $this->image, $filename, $quality ) === false ) {
					throw new \Aimeos\MW\Media\Exception( sprintf( 'Unable to save image to file "%1$s"', $filename ) );
				}

				break;

			case 'image/png':

				$quality = 9;
				if( isset( $this->options['image']['png']['quality'] ) ) {
					$quality = (int) $this->options['image']['png']['quality'];
				}

				if( imagesavealpha( $this->image, true ) === false ) {
					throw new \Aimeos\MW\Media\Exception( sprintf( 'GD library failed (imagesavealpha)') );
				}

				if( @imagepng( $this->image, $filename, $quality ) === false ) {
					throw new \Aimeos\MW\Media\Exception( sprintf( 'Unable to save image to file "%1$s"', $filename ) );
				}

				break;

			default:
				throw new \Aimeos\MW\Media\Exception( sprintf( 'File format "%1$s" is not supported', $this->getMimeType() ) );
		}
	}


	/**
	 * Scales the image to the given width and height.
	 *
	 * @param integer $width New width of the image
	 * @param integer $height New height of the image
	 * @param boolean $fit True to keep the width/height ratio of the image
	 */
	public function scale( $width, $height, $fit = true )
	{
		if( ( $info = getimagesize( $this->getFilepath() ) ) === false ) {
			throw new \Aimeos\MW\Media\Exception( 'Unable to retrieve image size for: ' . $this->getFilepath() );
		}

		if( $fit === true )
		{
			list( $width, $height ) = $this->getSizeFitted( $info[0], $info[1], $width, $height );

			if( $info[0] <= $width && $info[1] <= $height ) {
				return;
			}
		}

		if( !isset( $this->origimage ) ) {
			$this->origimage = $this->image;
		} else {
			imagedestroy( $this->image );
		}

		if( ( $this->image = imagecreatetruecolor( $width, $height ) ) === false ) {
			throw new \Aimeos\MW\Media\Exception( 'Unable to create new image' );
		}

		if( imagealphablending( $this->image, false ) === false ) {
			throw new \Aimeos\MW\Media\Exception( sprintf( 'GD library failed (imagealphablending)') );
		}

		if( ( $transparent = imagecolorallocatealpha( $this->image, 255, 255, 255, 127 ) ) === false ) {
			throw new \Aimeos\MW\Media\Exception( sprintf( 'GD library failed (imagecolorallocatealpha)') );
		}

		if( imagefilledrectangle( $this->image, 0, 0, $width, $height, $transparent ) === false ) {
			throw new \Aimeos\MW\Media\Exception( sprintf( 'GD library failed (imagefilledrectangle)') );
		}

		if( imagecopyresampled( $this->image, $this->origimage, 0, 0, 0, 0, $width, $height, $info[0], $info[1] ) === false ) {
			throw new \Aimeos\MW\Media\Exception( 'Unable to resize image' );
		}
	}
}


1			<?php
2
3			/**
4			* @copyright Metaways Infosystems GmbH, 2014
5			* @license LGPLv3, http://opensource.org/licenses/LGPL-3.0
6			* @copyright Aimeos (aimeos.org), 2015-2017
7			* @package MW
8			* @subpackage Media
9			*/
10
11
12			namespace Aimeos\MW\Media\Image;
13
14
15			/**
16			* Default image class using GDLib.
17			*
18			* @package MW
19			* @subpackage Media
20			*/
21			class Standard
22			extends \Aimeos\MW\Media\Image\Base
			0 ignored issues – show Coding Style introduced 2016-05-25 21:53 UTC by Report Bug Copy Issue Report Expected 0 spaces between "Base" and comma; 1 found Loading history...
23			implements \Aimeos\MW\Media\Image\Iface
24			{
25			private $image;
26			private $origimage;
27			private $options;
28
29
30			/**
31			* Initializes the new image object.
32			*
33			* @param string $filename Name of the media file
34			* @param string $mimetype Mime type of the media data
35			* @param array $options Associative list of configuration options
36			* @throws \Aimeos\MW\Media\Exception If image couldn't be retrieved from the given file name
37			*/
38			public function __construct( $filename, $mimetype, array $options )
39			{
40			parent::__construct( $filename, $mimetype );
41
42			if( ( $content = @file_get_contents( $filename ) ) === false ) {
43			throw new \Aimeos\MW\Media\Exception( sprintf( 'Unable to read from file "%1$s"', $filename ) );
44			}
45
46			if( ( $this->image = @imagecreatefromstring( $content ) ) === false ) {
47			throw new \Aimeos\MW\Media\Exception( sprintf( 'The image type in "%1$s" seems to be not supported by gdlib.', $filename) );
48			}
49
50			if( imagealphablending( $this->image, false ) === false ) {
51			throw new \Aimeos\MW\Media\Exception( sprintf( 'GD library failed (imagealphablending)') );
52			}
53
54			$this->options = $options;
55			}
56
57
58			/**
59			* Cleans up
60			*/
61			public function __destruct()
62			{
63			if( $this->origimage ) {
64			imagedestroy( $this->origimage );
65			}
66
67			if( $this->image ) {
68			imagedestroy( $this->image );
69			}
70			}
71
72
73			/**
74			* Stores the media data at the given file name.
75			*
76			* @param string $filename Name of the file to save the media data into
77			* @param string $mimetype Mime type to save the image as
78			* @throws \Aimeos\MW\Media\Exception If image couldn't be saved to the given file name
79			*/
80			public function save( $filename, $mimetype )
81			{
82			switch( $mimetype )
83			{
84			case 'image/gif':
85
86			if( @imagegif( $this->image, $filename ) === false ) {
87			throw new \Aimeos\MW\Media\Exception( sprintf( 'Unable to save image to file "%1$s"', $filename ) );
88			}
89
90			break;
91
92			case 'image/jpeg':
93
94			$quality = 75;
95			if( isset( $this->options['image']['jpeg']['quality'] ) ) {
96			$quality = (int) $this->options['image']['jpeg']['quality'];
97			}
98
99			if( @imagejpeg( $this->image, $filename, $quality ) === false ) {
100			throw new \Aimeos\MW\Media\Exception( sprintf( 'Unable to save image to file "%1$s"', $filename ) );
101			}
102
103			break;
104
105			case 'image/png':
106
107			$quality = 9;
108			if( isset( $this->options['image']['png']['quality'] ) ) {
109			$quality = (int) $this->options['image']['png']['quality'];
110			}
111
112			if( imagesavealpha( $this->image, true ) === false ) {
113			throw new \Aimeos\MW\Media\Exception( sprintf( 'GD library failed (imagesavealpha)') );
114			}
115
116			if( @imagepng( $this->image, $filename, $quality ) === false ) {
117			throw new \Aimeos\MW\Media\Exception( sprintf( 'Unable to save image to file "%1$s"', $filename ) );
118			}
119
120			break;
121
122			default:
123			throw new \Aimeos\MW\Media\Exception( sprintf( 'File format "%1$s" is not supported', $this->getMimeType() ) );
124			}
125			}
126
127
128			/**
129			* Scales the image to the given width and height.
130			*
131			* @param integer $width New width of the image
132			* @param integer $height New height of the image
133			* @param boolean $fit True to keep the width/height ratio of the image
134			*/
135			public function scale( $width, $height, $fit = true )
136			{
137			if( ( $info = getimagesize( $this->getFilepath() ) ) === false ) {
138			throw new \Aimeos\MW\Media\Exception( 'Unable to retrieve image size for: ' . $this->getFilepath() );
139			}
140
141			if( $fit === true )
142			{
143			list( $width, $height ) = $this->getSizeFitted( $info[0], $info[1], $width, $height );
144
145			if( $info[0] <= $width && $info[1] <= $height ) {
146			return;
147			}
148			}
149
150			if( !isset( $this->origimage ) ) {
151			$this->origimage = $this->image;
152			} else {
153			imagedestroy( $this->image );
154			}
155
156			if( ( $this->image = imagecreatetruecolor( $width, $height ) ) === false ) {
157			throw new \Aimeos\MW\Media\Exception( 'Unable to create new image' );
158			}
159
160			if( imagealphablending( $this->image, false ) === false ) {
161			throw new \Aimeos\MW\Media\Exception( sprintf( 'GD library failed (imagealphablending)') );
162			}
163
164			if( ( $transparent = imagecolorallocatealpha( $this->image, 255, 255, 255, 127 ) ) === false ) {
165			throw new \Aimeos\MW\Media\Exception( sprintf( 'GD library failed (imagecolorallocatealpha)') );
166			}
167
168			if( imagefilledrectangle( $this->image, 0, 0, $width, $height, $transparent ) === false ) {
169			throw new \Aimeos\MW\Media\Exception( sprintf( 'GD library failed (imagefilledrectangle)') );
170			}
171
172			if( imagecopyresampled( $this->image, $this->origimage, 0, 0, 0, 0, $width, $height, $info[0], $info[1] ) === false ) {
173			throw new \Aimeos\MW\Media\Exception( 'Unable to resize image' );
174			}
175			}
176			}
177

aimeos / aimeos-core

Push — master ( d5813f...68cb64 )

Standard::scale() C

Complexity

Size

Duplication

Importance

How to fix Complexity

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