Image::getHeight() - Code Metrics - Inspection of "fixing save method" - delboy1978uk/image - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( 0cc18a...3e458d )

by Derek Stephen

created 2017-09-28 09:14 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 $resource
     * @param $filename
     * @param $compression
     */
    private function saveJpg($resource, $filename, $compression)
    {
        imagejpeg($this->image, $filename, $compression);
    }

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

    /**
     * @param $resource
     * @param $filename
     * @param $compression
     */
    private function savePng($resource, $filename, $compression)
    {
        imagepng($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	3	$this->setPermissions($filename, $permissions);
87	3	}
88
89		/**
90		* @param $resource
91		* @param $filename
92		* @param $compression
93		*/
94	1	private function saveJpg($resource, $filename, $compression)
95		{
96	1	imagejpeg($this->image, $filename, $compression);
97	1	}
98
99		/**
100		* @param $resource
101		* @param $filename
102		* @param $compression
103		*/
104	1	private function saveGif($resource, $filename, $compression)
105		{
106	1	imagegif($this->image, $filename);
107	1	}
108
109		/**
110		* @param $resource
111		* @param $filename
112		* @param $compression
113		*/
114	1	private function savePng($resource, $filename, $compression)
115		{
116	1	imagepng($this->image, $filename);
117	1	}
118
119		/**
120		* @param $filename
121		* @param $permissions
122		*/
123	3	private function setPermissions($filename, $permissions)
124		{
125	3	if ($permissions !== null) {
126	1	chmod($filename, (int) $permissions);
127		}
128	3	}
129
130
131		/**
132		* @param bool $return either output directly
133		* @return void\|string image contents
134		*/
135	14	public function output($return = false)
136		{
137	14	if ($return) {
138	14	ob_start();
139		}
140
141	14	$this->renderImage();
142
143	14	if ($return) {
144	14	$contents = ob_get_flush();
145	14	return $contents;
146		}
147		}
148
149	14	private function renderImage()
150		{
151	14	switch ($this->imageType) {
152	14	case IMAGETYPE_JPEG:
153	3	imagejpeg($this->image);
154	3	break;
155	11	case IMAGETYPE_GIF:
156	2	imagegif($this->image);
157	2	break;
158	9	case IMAGETYPE_PNG:
159	9	imagealphablending($this->image, true);
160	9	imagesavealpha($this->image, true);
161	9	imagepng($this->image);
162	9	break;
163		}
164	14	}
165
166		/**
167		* @return int
168		*/
169	8	public function getWidth()
170		{
171	8	return imagesx($this->image);
172		}
173
174		/**
175		* @return int
176		*/
177	8	public function getHeight()
178		{
179	8	return imagesy($this->image);
180		}
181
182		/**
183		* @param int $height
184		*/
185	2	public function resizeToHeight($height)
186		{
187	2	$ratio = $height / $this->getHeight();
188	2	$width = $this->getWidth() * $ratio;
189	2	$this->resize($width, $height);
190	2	}
191
192		/**
193		* @param int $width
194		*/
195	2	public function resizeToWidth($width)
196		{
197	2	$ratio = $width / $this->getWidth();
198	2	$height = $this->getHeight() * $ratio;
199	2	$this->resize($width, $height);
200	2	}
201
202		/**
203		* @param int $scale %
204		*/
205	1	public function scale($scale)
206		{
207	1	$width = $this->getWidth() * $scale / 100;
208	1	$height = $this->getHeight() * $scale / 100;
209	1	$this->resize($width, $height);
210	1	}
211
212		/**
213		* @param int $width
214		* @param int $height
215		*/
216	3	public function resizeAndCrop($width, $height)
217		{
218	3	$targetRatio = $width / $height;
219	3	$actualRatio = $this->getWidth() / $this->getHeight();
220
221	3	if ($targetRatio == $actualRatio) {
222		// Scale to size
223	1	$this->resize($width, $height);
224	2	} elseif ($targetRatio > $actualRatio) {
225		// Resize to width, crop extra height
226	1	$this->resizeToWidth($width);
227	1	$this->crop($width, $height);
228		} else {
229		// Resize to height, crop additional width
230	1	$this->resizeToHeight($height);
231	1	$this->crop($width, $height);
232		}
233	3	}
234
235
236		/**
237		* Now with added Transparency resizing feature
238		* @param int $width
239		* @param int $height
240		*/
241	6	public function resize($width, $height)
242		{
243	6	$newImage = imagecreatetruecolor($width, $height);
244
245	6	if (($this->getImageType() == IMAGETYPE_GIF) \|\| ($this->getImageType() == IMAGETYPE_PNG)) {
246
247		// Get transparency color's index number
248	6	$transparency = imagecolortransparent($this->image);
249
250		// Is a strange index other than -1 set?
251	6	if ($transparency >= 0) {
252
253		// deal with alpha channels
254		$this->prepWithExistingIndex($newImage, $transparency);
255
256	6	} elseif ($this->getImageType() == IMAGETYPE_PNG) {
257
258		// deal with alpha channels
259	6	$this->prepTransparentPng($newImage);
260		}
261		}
262
263		// Now resample the image
264	6	imagecopyresampled($newImage, $this->image, 0, 0, 0, 0, $width, $height, $this->getWidth(), $this->getHeight());
265
266		// And allocate to $this
267	6	$this->image = $newImage;
268	6	}
269
270		/**
271		* @param $resource
272		* @param $index
273		*/
274		private function prepWithExistingIndex($resource, $index)
275		{
276		// Get the array of RGB vals for the transparency index
277		$transparentColor = imagecolorsforindex($this->image, $index);
278
279		// Now allocate the color
280		$transparency = imagecolorallocate($resource, $transparentColor['red'], $transparentColor['green'], $transparentColor['blue']);
281
282		// Fill the background with the color
283		imagefill($resource, 0, 0, $transparency);
284
285		// And set that color as the transparent one
286		imagecolortransparent($resource, $transparency);
287		}
288
289		/**
290		* @param $resource
291		*/
292	6	private function prepTransparentPng($resource)
293		{
294		// Set blending mode as false
295	6	imagealphablending($resource, false);
296
297		// Tell it we want to save alpha channel info
298	6	imagesavealpha($resource, true);
299
300		// Set the transparent color
301	6	$color = imagecolorallocatealpha($resource, 0, 0, 0, 127);
302
303		// Fill the image with nothingness
304	6	imagefill($resource, 0, 0, $color);
305	6	}
306
307
308		/**
309		* @param int $width
310		* @param int $height
311		* @param string $trim
312		*/
313	3	public function crop($width, $height, $trim = 'center')
314		{
315	3	$offsetX = 0;
316	3	$offsetY = 0;
317	3	$currentWidth = $this->getWidth();
318	3	$currentHeight = $this->getHeight();
319
320	3	if ($trim != 'left') {
321	3	if ($currentWidth > $width) {
322	2	$diff = $currentWidth - $width;
323	2	$offsetX = ($trim == 'center') ? $diff / 2 : $diff; //full diff for trim right
324		}
325	3	if ($currentHeight > $height) {
326	2	$diff = $currentHeight - $height;
327	2	$offsetY = ($trim == 'center') ? $diff / 2 : $diff;
328		}
329		}
330
331	3	$newImage = imagecreatetruecolor($width, $height);
332	3	imagecopyresampled($newImage, $this->image, 0, 0, $offsetX, $offsetY, $width, $height, $width, $height);
333	3	$this->image = $newImage;
334	3	}
335
336		/**
337		* @return mixed
338		*/
339	6	public function getImageType()
340		{
341	6	return $this->imageType;
342		}
343
344		/**
345		* @return mixed
346		* @throws NothingLoadedException
347		*/
348	4	public function getHeader()
349		{
350	4	if (!$this->imageType) {
351	1	throw new NothingLoadedException();
352		}
353	3	return $this->contentType[$this->imageType];
354		}
355
356		/**
357		* Frees up memory
358		*/
359	1	public function destroy()
360		{
361	1	imagedestroy($this->image);
362	1	}
363		}
364

delboy1978uk / image

Push — master ( 0cc18a...3e458d )

Image::getHeight() A

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