Image::__construct() - Code Metrics - Inspection of "pacing Please enter the commit message for your ch..." - delboy1978uk/image - Measure and Improve Code Quality continuously with Scrutinizer

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by Derek Stephen

created 2017-09-28 08:57 UTC

Image::__construct() A

↳ Parent: Image

Complexity

Conditions	2
Paths	2

Size

Total Lines	5
Code Lines	3

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	4
CRAP Score	2

Importance

Changes

Metric	Value
cc	2
eloc	3
nc	2
nop	1
dl	0
loc	5
ccs	4
cts	4
cp	1
crap	2
rs	9.4285
c	0
b	0
f	0

<?php

namespace Del;

use Del\Image\Exception\NotFoundException;
use Del\Image\Exception\NothingLoadedException;

class Image 
{
    /** @var resource $image */
    private $image;

    /** @var int $imageType */
    private $imageType;

    /** @var string $fileName */
    private $fileName;

    private $contentType = [
        IMAGETYPE_JPEG => 'image/jpeg',
        IMAGETYPE_GIF => 'image/gif',
        IMAGETYPE_PNG =>'image/png',
    ];

    private $createCommand = [
        IMAGETYPE_JPEG => 'imagecreatefromjpeg',
        IMAGETYPE_GIF => 'imagecreatefromgif',
        IMAGETYPE_PNG =>'imagecreatefrompng',
    ];

    /**
     * @param string $filename
     */
    public function __construct($filename = null)
    {
        if ($filename !== null) {
            $this->fileName = $filename;
            $this->load($filename);
        }
    }

    /**
     * @param $path
     * @throws NotFoundException
     */
    private function checkFileExists($path)
    {
        if (!file_exists($path)) {
            throw new NotFoundException("$path does not exist");
        }
    }


    /**
     * @param string $filename
     * @throws NotFoundException
     */
    public function load($filename)
    {
        $this->checkFileExists($filename);
        $imageInfo = getimagesize($filename);
        $this->imageType = $imageInfo[2];
        $this->image = $this->createCommand[$this->imageType]($filename);
    }


    /**
     *  @param string $filename
     *  @param int $compression
     *  @param string $permissions
     */
    public function save($filename = null, $compression = 100, $permissions = null)
    {
        $filename = ($filename) ?: $this->fileName;

        switch ($this->imageType) {
            case IMAGETYPE_JPEG:
                imagejpeg($this->image, $filename, $compression);
                break;
            case IMAGETYPE_GIF:
                imagegif($this->image, $filename);
                break;
            case IMAGETYPE_PNG:
                imagepng($this->image, $filename);
                break;
        }

        $this->setPermissions($filename, $permissions);
    }

    /**
     * @param $filename
     * @param $permissions
     */
    private function setPermissions($filename, $permissions)
    {
        if ($permissions !== null) {
            chmod($filename, (int) $permissions);
        }
    }


    /**
     * @param bool $return either output directly
     * @return void|string image contents
     */
    public function output($return = false)
    {
        if ($return) {
            ob_start();
        }

        $this->renderImage();

        if ($return) {
            $contents = ob_get_flush();
            return $contents;
        }
    }

    private function renderImage()
    {
        switch ($this->imageType) {
            case IMAGETYPE_JPEG:
                imagejpeg($this->image);
                break;
            case IMAGETYPE_GIF:
                imagegif($this->image);
                break;
            case IMAGETYPE_PNG:
                imagealphablending($this->image, true);
                imagesavealpha($this->image, true);
                imagepng($this->image);
                break;
        }
    }

    /**
     * @return int
     */
    public function getWidth()
    {
        return imagesx($this->image);
    }

    /**
     * @return int
     */
    public function getHeight()
    {
        return imagesy($this->image);
    }

    /**
     * @param int $height
     */
    public function resizeToHeight($height)
    {
        $ratio = $height / $this->getHeight();
        $width = $this->getWidth() * $ratio;
        $this->resize($width, $height);
    }

    /**
     * @param int $width
     */
    public function resizeToWidth($width)
    {
        $ratio = $width / $this->getWidth();
        $height = $this->getHeight() * $ratio;
        $this->resize($width, $height);
    }

    /**
     * @param int $scale %
     */
    public function scale($scale)
    {
        $width = $this->getWidth() * $scale / 100;
        $height = $this->getHeight() * $scale / 100;
        $this->resize($width, $height);
    }

    /**
     * @param int $width
     * @param int $height
     */
    public function resizeAndCrop($width, $height)
    {
        $targetRatio = $width / $height;
        $actualRatio = $this->getWidth() / $this->getHeight();

        if ($targetRatio == $actualRatio) {
            // Scale to size
            $this->resize($width, $height);
        } elseif ($targetRatio > $actualRatio) {
            // Resize to width, crop extra height
            $this->resizeToWidth($width);
            $this->crop($width, $height);
        } else {
            // Resize to height, crop additional width
            $this->resizeToHeight($height);
            $this->crop($width, $height);
        }
    }


    /**
     *  Now with added Transparency resizing feature
     *  @param int $width
     *  @param int $height
     */
    public function resize($width, $height)
    {
        $newImage = imagecreatetruecolor($width, $height);

        if (($this->getImageType() == IMAGETYPE_GIF) || ($this->getImageType()  == IMAGETYPE_PNG)) {

            // Get transparency color's index number
            $transparency = imagecolortransparent($this->image);

            // Is a strange index other than -1 set?
            if ($transparency >= 0) {

                // deal with alpha channels
                $this->prepWithExistingIndex($newImage, $transparency);

            } elseif ($this->getImageType() == IMAGETYPE_PNG) {

                // deal with alpha channels
                $this->prepTransparentPng($newImage);
            }
        }

        // Now resample the image
        imagecopyresampled($newImage, $this->image, 0, 0, 0, 0, $width, $height, $this->getWidth(), $this->getHeight());

        // And allocate to $this
        $this->image = $newImage;
    }

    /**
     * @param $resource
     * @param $index
     */
    private function prepWithExistingIndex($resource, $index)
    {
        // Get the array of RGB vals for the transparency index
        $transparentColor = imagecolorsforindex($this->image, $index);

        // Now allocate the color
        $transparency = imagecolorallocate($resource, $transparentColor['red'], $transparentColor['green'], $transparentColor['blue']);

        // Fill the background with the color
        imagefill($resource, 0, 0, $transparency);

        // And set that color as the transparent one
        imagecolortransparent($resource, $transparency);
    }

    /**
     * @param $resource
     */
    private function prepTransparentPng($resource)
    {
        // Set blending mode as false
        imagealphablending($resource, false);

        // Tell it we want to save alpha channel info
        imagesavealpha($resource, true);

        // Set the transparent color
        $color = imagecolorallocatealpha($resource, 0, 0, 0, 127);

        // Fill the image with nothingness
        imagefill($resource, 0, 0, $color);
    }


    /**
     * @param int $width
     * @param int $height
     * @param string $trim
     */
    public function crop($width, $height, $trim = 'center')
    {
        $offsetX = 0;
        $offsetY = 0;
        $currentWidth = $this->getWidth();
        $currentHeight = $this->getHeight();

        if ($trim != 'left') {
            if ($currentWidth > $width) {
                $diff = $currentWidth - $width;
                $offsetX = ($trim == 'center') ? $diff / 2 : $diff; //full diff for trim right
            }
            if ($currentHeight > $height) {
                $diff = $currentHeight - $height;
                $offsetY = ($trim == 'center') ? $diff / 2 : $diff;
            }
        }

        $newImage = imagecreatetruecolor($width, $height);
        imagecopyresampled($newImage, $this->image, 0, 0, $offsetX, $offsetY, $width, $height, $width, $height);
        $this->image = $newImage;
    }

    /**
     * @return mixed
     */
    public function getImageType()
    {
        return $this->imageType;
    }

    /**
     * @return mixed
     * @throws NothingLoadedException
     */
    public function getHeader()
    {
        if (!$this->imageType) {
            throw new NothingLoadedException();
        }
        return $this->contentType[$this->imageType];
    }

    /**
     *  Frees up memory
     */
    public function destroy()
    {
        imagedestroy($this->image);
    }
}


1		<?php
2
3		namespace Del;
4
5		use Del\Image\Exception\NotFoundException;
6		use Del\Image\Exception\NothingLoadedException;
7
8		class Image
9		{
10		/** @var resource $image */
11		private $image;
12
13		/** @var int $imageType */
14		private $imageType;
15
16		/** @var string $fileName */
17		private $fileName;
18
19		private $contentType = [
20		IMAGETYPE_JPEG => 'image/jpeg',
21		IMAGETYPE_GIF => 'image/gif',
22		IMAGETYPE_PNG =>'image/png',
23		];
24
25		private $createCommand = [
26		IMAGETYPE_JPEG => 'imagecreatefromjpeg',
27		IMAGETYPE_GIF => 'imagecreatefromgif',
28		IMAGETYPE_PNG =>'imagecreatefrompng',
29		];
30
31		/**
32		* @param string $filename
33		*/
34	21	public function __construct($filename = null)
35		{
36	21	if ($filename !== null) {
37	1	$this->fileName = $filename;
38	1	$this->load($filename);
39	1	}
40	21	}
41
42		/**
43		* @param $path
44		* @throws NotFoundException
45		*/
46	20	private function checkFileExists($path)
47		{
48	20	if (!file_exists($path)) {
49	1	throw new NotFoundException("$path does not exist");
50		}
51	19	}
52
53
54		/**
55		* @param string $filename
56		* @throws NotFoundException
57		*/
58	20	public function load($filename)
59		{
60	20	$this->checkFileExists($filename);
61	19	$imageInfo = getimagesize($filename);
62	19	$this->imageType = $imageInfo[2];
63	19	$this->image = $this->createCommand[$this->imageType]($filename);
64	19	}
65
66
67		/**
68		* @param string $filename
69		* @param int $compression
70		* @param string $permissions
71		*/
72	3	public function save($filename = null, $compression = 100, $permissions = null)
73		{
74	3	$filename = ($filename) ?: $this->fileName;
75
76	3	switch ($this->imageType) {
77	3	case IMAGETYPE_JPEG:
78	1	imagejpeg($this->image, $filename, $compression);
79	1	break;
80	2	case IMAGETYPE_GIF:
81	1	imagegif($this->image, $filename);
82	1	break;
83	1	case IMAGETYPE_PNG:
84	1	imagepng($this->image, $filename);
85	1	break;
86	3	}
87
88	3	$this->setPermissions($filename, $permissions);
89	3	}
90
91		/**
92		* @param $filename
93		* @param $permissions
94		*/
95	3	private function setPermissions($filename, $permissions)
96		{
97	3	if ($permissions !== null) {
98	1	chmod($filename, (int) $permissions);
99	1	}
100	3	}
101
102
103		/**
104		* @param bool $return either output directly
105		* @return void\|string image contents
106		*/
107	14	public function output($return = false)
108		{
109	14	if ($return) {
110	14	ob_start();
111	14	}
112
113	14	$this->renderImage();
114
115	14	if ($return) {
116	14	$contents = ob_get_flush();
117	14	return $contents;
118		}
119		}
120
121	14	private function renderImage()
122		{
123	14	switch ($this->imageType) {
124	14	case IMAGETYPE_JPEG:
125	3	imagejpeg($this->image);
126	3	break;
127	11	case IMAGETYPE_GIF:
128	2	imagegif($this->image);
129	2	break;
130	9	case IMAGETYPE_PNG:
131	9	imagealphablending($this->image, true);
132	9	imagesavealpha($this->image, true);
133	9	imagepng($this->image);
134	9	break;
135	14	}
136	14	}
137
138		/**
139		* @return int
140		*/
141	8	public function getWidth()
142		{
143	8	return imagesx($this->image);
144		}
145
146		/**
147		* @return int
148		*/
149	8	public function getHeight()
150		{
151	8	return imagesy($this->image);
152		}
153
154		/**
155		* @param int $height
156		*/
157	2	public function resizeToHeight($height)
158		{
159	2	$ratio = $height / $this->getHeight();
160	2	$width = $this->getWidth() * $ratio;
161	2	$this->resize($width, $height);
162	2	}
163
164		/**
165		* @param int $width
166		*/
167	2	public function resizeToWidth($width)
168		{
169	2	$ratio = $width / $this->getWidth();
170	2	$height = $this->getHeight() * $ratio;
171	2	$this->resize($width, $height);
172	2	}
173
174		/**
175		* @param int $scale %
176		*/
177	1	public function scale($scale)
178		{
179	1	$width = $this->getWidth() * $scale / 100;
180	1	$height = $this->getHeight() * $scale / 100;
181	1	$this->resize($width, $height);
182	1	}
183
184		/**
185		* @param int $width
186		* @param int $height
187		*/
188	3	public function resizeAndCrop($width, $height)
189		{
190	3	$targetRatio = $width / $height;
191	3	$actualRatio = $this->getWidth() / $this->getHeight();
192
193	3	if ($targetRatio == $actualRatio) {
194		// Scale to size
195	1	$this->resize($width, $height);
196	3	} elseif ($targetRatio > $actualRatio) {
197		// Resize to width, crop extra height
198	1	$this->resizeToWidth($width);
199	1	$this->crop($width, $height);
200	1	} else {
201		// Resize to height, crop additional width
202	1	$this->resizeToHeight($height);
203	1	$this->crop($width, $height);
204		}
205	3	}
206
207
208		/**
209		* Now with added Transparency resizing feature
210		* @param int $width
211		* @param int $height
212		*/
213	6	public function resize($width, $height)
214		{
215	6	$newImage = imagecreatetruecolor($width, $height);
216
217	6	if (($this->getImageType() == IMAGETYPE_GIF) \|\| ($this->getImageType() == IMAGETYPE_PNG)) {
218
219		// Get transparency color's index number
220	6	$transparency = imagecolortransparent($this->image);
221
222		// Is a strange index other than -1 set?
223	6	if ($transparency >= 0) {
224
225		// deal with alpha channels
226		$this->prepWithExistingIndex($newImage, $transparency);
227
228	6	} elseif ($this->getImageType() == IMAGETYPE_PNG) {
229
230		// deal with alpha channels
231	6	$this->prepTransparentPng($newImage);
232	6	}
233	6	}
234
235		// Now resample the image
236	6	imagecopyresampled($newImage, $this->image, 0, 0, 0, 0, $width, $height, $this->getWidth(), $this->getHeight());
237
238		// And allocate to $this
239	6	$this->image = $newImage;
240	6	}
241
242		/**
243		* @param $resource
244		* @param $index
245		*/
246		private function prepWithExistingIndex($resource, $index)
247		{
248		// Get the array of RGB vals for the transparency index
249		$transparentColor = imagecolorsforindex($this->image, $index);
250
251		// Now allocate the color
252		$transparency = imagecolorallocate($resource, $transparentColor['red'], $transparentColor['green'], $transparentColor['blue']);
253
254		// Fill the background with the color
255		imagefill($resource, 0, 0, $transparency);
256
257		// And set that color as the transparent one
258		imagecolortransparent($resource, $transparency);
259		}
260
261		/**
262		* @param $resource
263		*/
264	6	private function prepTransparentPng($resource)
265		{
266		// Set blending mode as false
267	6	imagealphablending($resource, false);
268
269		// Tell it we want to save alpha channel info
270	6	imagesavealpha($resource, true);
271
272		// Set the transparent color
273	6	$color = imagecolorallocatealpha($resource, 0, 0, 0, 127);
274
275		// Fill the image with nothingness
276	6	imagefill($resource, 0, 0, $color);
277	6	}
278
279
280		/**
281		* @param int $width
282		* @param int $height
283		* @param string $trim
284		*/
285	3	public function crop($width, $height, $trim = 'center')
286		{
287	3	$offsetX = 0;
288	3	$offsetY = 0;
289	3	$currentWidth = $this->getWidth();
290	3	$currentHeight = $this->getHeight();
291
292	3	if ($trim != 'left') {
293	3	if ($currentWidth > $width) {
294	2	$diff = $currentWidth - $width;
295	2	$offsetX = ($trim == 'center') ? $diff / 2 : $diff; //full diff for trim right
296	2	}
297	3	if ($currentHeight > $height) {
298	2	$diff = $currentHeight - $height;
299	2	$offsetY = ($trim == 'center') ? $diff / 2 : $diff;
300	2	}
301	3	}
302
303	3	$newImage = imagecreatetruecolor($width, $height);
304	3	imagecopyresampled($newImage, $this->image, 0, 0, $offsetX, $offsetY, $width, $height, $width, $height);
305	3	$this->image = $newImage;
306	3	}
307
308		/**
309		* @return mixed
310		*/
311	6	public function getImageType()
312		{
313	6	return $this->imageType;
314		}
315
316		/**
317		* @return mixed
318		* @throws NothingLoadedException
319		*/
320	4	public function getHeader()
321		{
322	4	if (!$this->imageType) {
323	1	throw new NothingLoadedException();
324		}
325	3	return $this->contentType[$this->imageType];
326		}
327
328		/**
329		* Frees up memory
330		*/
331	1	public function destroy()
332		{
333	1	imagedestroy($this->image);
334	1	}
335		}
336

delboy1978uk / image

Push — master ( 414557...1a28e9 )

Image::__construct() A

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