Image::getHeight() - Code Metrics - Inspection of "remove unused variable" - delboy1978uk/image - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( 3e458d...115c32 )

by Derek Stephen

created 2017-09-28 09:20 UTC

Image::getHeight() A

↳ Parent: Image

Complexity

Conditions	1
Paths	1

Size

Total Lines	3
Code Lines	1

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	2
CRAP Score	1

Importance

Changes

Metric	Value
cc	1
eloc	1
nc	1
nop	0
dl	0
loc	3
ccs	2
cts	2
cp	1
crap	1
rs	10
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;

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

    /** @var array  */
    private $createCommand = [
        IMAGETYPE_JPEG => 'imagecreatefromjpeg',
        IMAGETYPE_GIF => 'imagecreatefromgif',
        IMAGETYPE_PNG =>'imagecreatefrompng',
    ];

    /** @var array  */
    private $saveMethod = [
        IMAGETYPE_JPEG => 'saveJpg',
        IMAGETYPE_GIF => 'saveGif',
        IMAGETYPE_PNG => 'savePng',
    ];

    /**
     * @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;
        $method = $this->saveMethod[$this->imageType];
        $this->$method($this->image, $filename, $compression);
        $this->setPermissions($filename, $permissions);
    }

    /**
     * @param $filename
     * @param $compression
     */
    private function saveJpg($filename, $compression)
    {
        imagejpeg($this->image, $filename, $compression);
    }

    /**
     * @param $filename
     * @param $compression
     */
    private function saveGif($filename, $compression)
    {
        unset($compression);
        imagegif($this->image, $filename);
    }

    /**
     * @param $filename
     * @param $compression
     */
    private function savePng($filename, $compression)
    {
        unset($compression);
        imagepng($this->image, $filename);
    }

    /**
     * @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		/** @var array */
20		private $contentType = [
21		IMAGETYPE_JPEG => 'image/jpeg',
22		IMAGETYPE_GIF => 'image/gif',
23		IMAGETYPE_PNG =>'image/png',
24		];
25
26		/** @var array */
27		private $createCommand = [
28		IMAGETYPE_JPEG => 'imagecreatefromjpeg',
29		IMAGETYPE_GIF => 'imagecreatefromgif',
30		IMAGETYPE_PNG =>'imagecreatefrompng',
31		];
32
33		/** @var array */
34		private $saveMethod = [
35		IMAGETYPE_JPEG => 'saveJpg',
36		IMAGETYPE_GIF => 'saveGif',
37		IMAGETYPE_PNG => 'savePng',
38		];
39
40		/**
41		* @param string $filename
42		*/
43	21	public function __construct($filename = null)
44		{
45	21	if ($filename !== null) {
46	1	$this->fileName = $filename;
47	1	$this->load($filename);
48		}
49	21	}
50
51		/**
52		* @param $path
53		* @throws NotFoundException
54		*/
55	20	private function checkFileExists($path)
56		{
57	20	if (!file_exists($path)) {
58	1	throw new NotFoundException("$path does not exist");
59		}
60	19	}
61
62
63		/**
64		* @param string $filename
65		* @throws NotFoundException
66		*/
67	20	public function load($filename)
68		{
69	20	$this->checkFileExists($filename);
70	19	$imageInfo = getimagesize($filename);
71	19	$this->imageType = $imageInfo[2];
72	19	$this->image = $this->createCommand[$this->imageType]($filename);
73	19	}
74
75
76		/**
77		* @param string $filename
78		* @param int $compression
79		* @param string $permissions
80		*/
81	3	public function save($filename = null, $compression = 100, $permissions = null)
82		{
83	3	$filename = ($filename) ?: $this->fileName;
84	3	$method = $this->saveMethod[$this->imageType];
85	3	$this->$method($this->image, $filename, $compression);
86		$this->setPermissions($filename, $permissions);
87		}
88
89		/**
90		* @param $filename
91		* @param $compression
92		*/
93	1	private function saveJpg($filename, $compression)
94		{
95	1	imagejpeg($this->image, $filename, $compression);
96		}
97
98		/**
99		* @param $filename
100		* @param $compression
101		*/
102	1	private function saveGif($filename, $compression)
103		{
104	1	unset($compression);
105	1	imagegif($this->image, $filename);
106		}
107
108		/**
109		* @param $filename
110		* @param $compression
111		*/
112	1	private function savePng($filename, $compression)
113		{
114	1	unset($compression);
115	1	imagepng($this->image, $filename);
116		}
117
118		/**
119		* @param $filename
120		* @param $permissions
121		*/
122		private function setPermissions($filename, $permissions)
123		{
124		if ($permissions !== null) {
125		chmod($filename, (int) $permissions);
126		}
127		}
128
129
130		/**
131		* @param bool $return either output directly
132		* @return void\|string image contents
133		*/
134	11	public function output($return = false)
135		{
136	11	if ($return) {
137	11	ob_start();
138		}
139
140	11	$this->renderImage();
141
142	11	if ($return) {
143	11	$contents = ob_get_flush();
144	11	return $contents;
145		}
146		}
147
148	11	private function renderImage()
149		{
150	11	switch ($this->imageType) {
151	11	case IMAGETYPE_JPEG:
152	2	imagejpeg($this->image);
153	2	break;
154	9	case IMAGETYPE_GIF:
155	1	imagegif($this->image);
156	1	break;
157	8	case IMAGETYPE_PNG:
158	8	imagealphablending($this->image, true);
159	8	imagesavealpha($this->image, true);
160	8	imagepng($this->image);
161	8	break;
162		}
163	11	}
164
165		/**
166		* @return int
167		*/
168	8	public function getWidth()
169		{
170	8	return imagesx($this->image);
171		}
172
173		/**
174		* @return int
175		*/
176	8	public function getHeight()
177		{
178	8	return imagesy($this->image);
179		}
180
181		/**
182		* @param int $height
183		*/
184	2	public function resizeToHeight($height)
185		{
186	2	$ratio = $height / $this->getHeight();
187	2	$width = $this->getWidth() * $ratio;
188	2	$this->resize($width, $height);
189	2	}
190
191		/**
192		* @param int $width
193		*/
194	2	public function resizeToWidth($width)
195		{
196	2	$ratio = $width / $this->getWidth();
197	2	$height = $this->getHeight() * $ratio;
198	2	$this->resize($width, $height);
199	2	}
200
201		/**
202		* @param int $scale %
203		*/
204	1	public function scale($scale)
205		{
206	1	$width = $this->getWidth() * $scale / 100;
207	1	$height = $this->getHeight() * $scale / 100;
208	1	$this->resize($width, $height);
209	1	}
210
211		/**
212		* @param int $width
213		* @param int $height
214		*/
215	3	public function resizeAndCrop($width, $height)
216		{
217	3	$targetRatio = $width / $height;
218	3	$actualRatio = $this->getWidth() / $this->getHeight();
219
220	3	if ($targetRatio == $actualRatio) {
221		// Scale to size
222	1	$this->resize($width, $height);
223	2	} elseif ($targetRatio > $actualRatio) {
224		// Resize to width, crop extra height
225	1	$this->resizeToWidth($width);
226	1	$this->crop($width, $height);
227		} else {
228		// Resize to height, crop additional width
229	1	$this->resizeToHeight($height);
230	1	$this->crop($width, $height);
231		}
232	3	}
233
234
235		/**
236		* Now with added Transparency resizing feature
237		* @param int $width
238		* @param int $height
239		*/
240	6	public function resize($width, $height)
241		{
242	6	$newImage = imagecreatetruecolor($width, $height);
243
244	6	if (($this->getImageType() == IMAGETYPE_GIF) \|\| ($this->getImageType() == IMAGETYPE_PNG)) {
245
246		// Get transparency color's index number
247	6	$transparency = imagecolortransparent($this->image);
248
249		// Is a strange index other than -1 set?
250	6	if ($transparency >= 0) {
251
252		// deal with alpha channels
253		$this->prepWithExistingIndex($newImage, $transparency);
254
255	6	} elseif ($this->getImageType() == IMAGETYPE_PNG) {
256
257		// deal with alpha channels
258	6	$this->prepTransparentPng($newImage);
259		}
260		}
261
262		// Now resample the image
263	6	imagecopyresampled($newImage, $this->image, 0, 0, 0, 0, $width, $height, $this->getWidth(), $this->getHeight());
264
265		// And allocate to $this
266	6	$this->image = $newImage;
267	6	}
268
269		/**
270		* @param $resource
271		* @param $index
272		*/
273		private function prepWithExistingIndex($resource, $index)
274		{
275		// Get the array of RGB vals for the transparency index
276		$transparentColor = imagecolorsforindex($this->image, $index);
277
278		// Now allocate the color
279		$transparency = imagecolorallocate($resource, $transparentColor['red'], $transparentColor['green'], $transparentColor['blue']);
280
281		// Fill the background with the color
282		imagefill($resource, 0, 0, $transparency);
283
284		// And set that color as the transparent one
285		imagecolortransparent($resource, $transparency);
286		}
287
288		/**
289		* @param $resource
290		*/
291	6	private function prepTransparentPng($resource)
292		{
293		// Set blending mode as false
294	6	imagealphablending($resource, false);
295
296		// Tell it we want to save alpha channel info
297	6	imagesavealpha($resource, true);
298
299		// Set the transparent color
300	6	$color = imagecolorallocatealpha($resource, 0, 0, 0, 127);
301
302		// Fill the image with nothingness
303	6	imagefill($resource, 0, 0, $color);
304	6	}
305
306
307		/**
308		* @param int $width
309		* @param int $height
310		* @param string $trim
311		*/
312	3	public function crop($width, $height, $trim = 'center')
313		{
314	3	$offsetX = 0;
315	3	$offsetY = 0;
316	3	$currentWidth = $this->getWidth();
317	3	$currentHeight = $this->getHeight();
318
319	3	if ($trim != 'left') {
320	3	if ($currentWidth > $width) {
321	2	$diff = $currentWidth - $width;
322	2	$offsetX = ($trim == 'center') ? $diff / 2 : $diff; //full diff for trim right
323		}
324	3	if ($currentHeight > $height) {
325	2	$diff = $currentHeight - $height;
326	2	$offsetY = ($trim == 'center') ? $diff / 2 : $diff;
327		}
328		}
329
330	3	$newImage = imagecreatetruecolor($width, $height);
331	3	imagecopyresampled($newImage, $this->image, 0, 0, $offsetX, $offsetY, $width, $height, $width, $height);
332	3	$this->image = $newImage;
333	3	}
334
335		/**
336		* @return mixed
337		*/
338	6	public function getImageType()
339		{
340	6	return $this->imageType;
341		}
342
343		/**
344		* @return mixed
345		* @throws NothingLoadedException
346		*/
347	4	public function getHeader()
348		{
349	4	if (!$this->imageType) {
350	1	throw new NothingLoadedException();
351		}
352	3	return $this->contentType[$this->imageType];
353		}
354
355		/**
356		* Frees up memory
357		*/
358	1	public function destroy()
359		{
360	1	imagedestroy($this->image);
361	1	}
362		}
363

delboy1978uk / image

Push — master ( 3e458d...115c32 )

Image::getHeight() A

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