Resize::getOptimalCrop() - Code Metrics - Inspection of "changing all core class : remove .class extension..." - Piou-piou/ribs-framework - Measure and Improve Code Quality continuously with Scrutinizer

Passed

Push — master ( ec0ca6...f04b64 )

by Anthony

created 2016-03-16 10:07 UTC

Resize::getOptimalCrop() A

↳ Parent: Resize

Complexity

Conditions	2
Paths	2

Size

Total Lines	17
Code Lines	10

Duplication

Lines	0
Ratio	0 %

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
c	1
b	0
f	0
dl	0
loc	17
rs	9.4285
cc	2
eloc	10
nc	2
nop	2

<?php

   # ========================================================================#
   #
   #  Author:    Jarrod Oberto
   #  Version:	 1.0
   #  Date:      17-Jan-10
   #  Purpose:   Resizes and saves image
   #  Requires : Requires PHP5, GD library.
   # ========================================================================#
	namespace core\images;

		Class Resize
		{
			// *** Class variables
			private $image;
			private $width;
			private $height;
			private $imageResized;

			/**
			 * Resize constructor.
			 * @param null|string $fileName
			 */
			public function __construct($fileName)
			{
				// *** Open up the file
				$this->image = $this->openImage($fileName);

				// *** Get width and height
				$this->width  = imagesx($this->image);
				$this->height = imagesy($this->image);
			}

			## --------------------------------------------------------
			/**
			 * @param null|string $file
			 * @return bool|resource
			 */
			private function openImage($file)
			{
				// *** Get extension
				$extension = strtolower(strrchr($file, '.'));

				switch ($extension)
				{
					case '.jpg':
					case '.jpeg':
						$img = @imagecreatefromjpeg($file);
						break;
					case '.gif':
						$img = @imagecreatefromgif($file);
						break;
					case '.png':
						$img = @imagecreatefrompng($file);
						break;
					default:
						$img = false;
						break;
				}
				return $img;
			}

			## --------------------------------------------------------

			public function resizeImage($newWidth, $newHeight, $option = "auto")
			{
				// *** Get optimal width and height - based on $option
				$optionArray = $this->getDimensions($newWidth, $newHeight, $option);

				$optimalWidth  = $optionArray['optimalWidth'];
				$optimalHeight = $optionArray['optimalHeight'];


				// *** Resample - create image canvas of x, y size
				$this->imageResized = imagecreatetruecolor($optimalWidth, $optimalHeight);
				imagecopyresampled($this->imageResized, $this->image, 0, 0, 0, 0, $optimalWidth, $optimalHeight, $this->width, $this->height);


				// *** if option is 'crop', then crop too
				if ($option == 'crop') {
					$this->crop($optimalWidth, $optimalHeight, $newWidth, $newHeight);
				}
			}

			## --------------------------------------------------------
			/**
			 * @param $newWidth
			 * @param $newHeight
			 * @param string $option
			 * @return array
			 */
			private function getDimensions($newWidth, $newHeight, $option)
			{

			   switch ($option)
				{
					case 'exact':
						$optimalWidth = $newWidth;
						$optimalHeight = $newHeight;
						break;
					case 'portrait':
						$optimalWidth = $this->getSizeByFixedHeight($newHeight);
						$optimalHeight = $newHeight;
						break;
					case 'landscape':
						$optimalWidth = $newWidth;
						$optimalHeight = $this->getSizeByFixedWidth($newWidth);
						break;
					case 'auto':

						$optionArray = $this->getSizeByAuto($newWidth, $newHeight);
						$optimalWidth = $optionArray['optimalWidth'];
						$optimalHeight = $optionArray['optimalHeight'];
						break;
					case 'crop':

						$optionArray = $this->getOptimalCrop($newWidth, $newHeight);
						$optimalWidth = $optionArray['optimalWidth'];
						$optimalHeight = $optionArray['optimalHeight'];
						break;
				   default:
					   $optimalWidth = "";
					   $optimalHeight = "";
					   break;
				}
				return array('optimalWidth' => $optimalWidth, 'optimalHeight' => $optimalHeight);
			}

			## --------------------------------------------------------

			private function getSizeByFixedHeight($newHeight)
			{
				$ratio = $this->width / $this->height;
				$newWidth = $newHeight * $ratio;
				return $newWidth;
			}

			private function getSizeByFixedWidth($newWidth)
			{
				$ratio = $this->height / $this->width;
				$newHeight = $newWidth * $ratio;
				return $newHeight;
			}

			private function getSizeByAuto($newWidth, $newHeight)
			{
				if ($this->height < $this->width) {
								// *** Image to be resized is wider (landscape)
				{
					$optimalWidth = $newWidth;
				}
					$optimalHeight = $this->getSizeByFixedWidth($newWidth);
				} elseif ($this->height > $this->width) {
								// *** Image to be resized is taller (portrait)
				{
					$optimalWidth = $this->getSizeByFixedHeight($newHeight);
				}
					$optimalHeight = $newHeight;
				} else
				// *** Image to be resizerd is a square
				{
					if ($newHeight < $newWidth) {
						$optimalWidth = $newWidth;
						$optimalHeight = $this->getSizeByFixedWidth($newWidth);
					} else if ($newHeight > $newWidth) {
						$optimalWidth = $this->getSizeByFixedHeight($newHeight);
						$optimalHeight = $newHeight;
					} else {
						// *** Sqaure being resized to a square
						$optimalWidth = $newWidth;
						$optimalHeight = $newHeight;
					}
				}

				return array('optimalWidth' => $optimalWidth, 'optimalHeight' => $optimalHeight);
			}

			## --------------------------------------------------------

			private function getOptimalCrop($newWidth, $newHeight)
			{

				$heightRatio = $this->height / $newHeight;
				$widthRatio  = $this->width / $newWidth;

				if ($heightRatio < $widthRatio) {
					$optimalRatio = $heightRatio;
				} else {
					$optimalRatio = $widthRatio;
				}

				$optimalHeight = $this->height / $optimalRatio;
				$optimalWidth  = $this->width / $optimalRatio;

				return array('optimalWidth' => $optimalWidth, 'optimalHeight' => $optimalHeight);
			}

			## --------------------------------------------------------

			private function crop($optimalWidth, $optimalHeight, $newWidth, $newHeight)
			{
				// *** Find center - this will be used for the crop
				$cropStartX = ($optimalWidth / 2) - ($newWidth / 2);
				$cropStartY = ($optimalHeight / 2) - ($newHeight / 2);

				$crop = $this->imageResized;

				// *** Now crop from center to exact requested size
				$this->imageResized = imagecreatetruecolor($newWidth, $newHeight);
				imagecopyresampled($this->imageResized, $crop, 0, 0, $cropStartX, $cropStartY, $newWidth, $newHeight, $newWidth, $newHeight);
			}

			## --------------------------------------------------------
			/**
			 * @param string $savePath
			 * @param string $imageQuality
			 */
			public function saveImage($savePath, $imageQuality = "100")
			{
				// *** Get extension
				$extension = strrchr($savePath, '.');
	   			$extension = strtolower($extension);

				switch ($extension)
				{
					case '.jpg':
					case '.jpeg':
						if (imagetypes() & IMG_JPG) {
							imagejpeg($this->imageResized, $savePath, $imageQuality);
						}
						break;

					case '.gif':
						if (imagetypes() & IMG_GIF) {
							imagegif($this->imageResized, $savePath);
						}
						break;

					case '.png':
						// *** Scale quality from 0-100 to 0-9
						$scaleQuality = round(($imageQuality / 100) * 9);

						// *** Invert quality setting as 0 is best, not 9
						$invertScaleQuality = 9 - $scaleQuality;

						if (imagetypes() & IMG_PNG) {
							 imagepng($this->imageResized, $savePath, $invertScaleQuality);
						}
						break;

					// ... etc

					default:
						// *** No extension - No save.
						break;
				}

				imagedestroy($this->imageResized);
			}


			## --------------------------------------------------------

		}

1		<?php
2
3		# ========================================================================#
4		#
5		# Author: Jarrod Oberto
6		# Version: 1.0
7		# Date: 17-Jan-10
8		# Purpose: Resizes and saves image
9		# Requires : Requires PHP5, GD library.
10		# ========================================================================#
11		namespace core\images;
12
13		Class Resize
14		{
15		// *** Class variables
16		private $image;
17		private $width;
18		private $height;
19		private $imageResized;
20
21		/**
22		* Resize constructor.
23		* @param null\|string $fileName
24		*/
25		public function __construct($fileName)
26		{
27		// *** Open up the file
28		$this->image = $this->openImage($fileName);
29
30		// *** Get width and height
31		$this->width = imagesx($this->image);
32		$this->height = imagesy($this->image);
33		}
34
35		## --------------------------------------------------------
36		/**
37		* @param null\|string $file
38		* @return bool\|resource
39		*/
40		private function openImage($file)
41		{
42		// *** Get extension
43		$extension = strtolower(strrchr($file, '.'));
44
45		switch ($extension)
46		{
47		case '.jpg':
48		case '.jpeg':
49		$img = @imagecreatefromjpeg($file);
50		break;
51		case '.gif':
52		$img = @imagecreatefromgif($file);
53		break;
54		case '.png':
55		$img = @imagecreatefrompng($file);
56		break;
57		default:
58		$img = false;
59		break;
60		}
61		return $img;
62		}
63
64		## --------------------------------------------------------
65
66		public function resizeImage($newWidth, $newHeight, $option = "auto")
67		{
68		// *** Get optimal width and height - based on $option
69		$optionArray = $this->getDimensions($newWidth, $newHeight, $option);
70
71		$optimalWidth = $optionArray['optimalWidth'];
72		$optimalHeight = $optionArray['optimalHeight'];
73
74
75		// *** Resample - create image canvas of x, y size
76		$this->imageResized = imagecreatetruecolor($optimalWidth, $optimalHeight);
77		imagecopyresampled($this->imageResized, $this->image, 0, 0, 0, 0, $optimalWidth, $optimalHeight, $this->width, $this->height);
78
79
80		// *** if option is 'crop', then crop too
81		if ($option == 'crop') {
82		$this->crop($optimalWidth, $optimalHeight, $newWidth, $newHeight);
83		}
84		}
85
86		## --------------------------------------------------------
87		/**
88		* @param $newWidth
89		* @param $newHeight
90		* @param string $option
91		* @return array
92		*/
93		private function getDimensions($newWidth, $newHeight, $option)
94		{
95
96		switch ($option)
97		{
98		case 'exact':
99		$optimalWidth = $newWidth;
100		$optimalHeight = $newHeight;
101		break;
102		case 'portrait':
103		$optimalWidth = $this->getSizeByFixedHeight($newHeight);
104		$optimalHeight = $newHeight;
105		break;
106		case 'landscape':
107		$optimalWidth = $newWidth;
108		$optimalHeight = $this->getSizeByFixedWidth($newWidth);
109		break;
110	View Code Duplication	case 'auto':
		0 ignored issues – show Duplication introduced 2016-03-16 10:10 UTC by Report Bug Copy Issue Report This code seems to be duplicated across your project. Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation. You can also find more detailed suggestions in the “Code” section of your repository. Loading history...
111		$optionArray = $this->getSizeByAuto($newWidth, $newHeight);
112		$optimalWidth = $optionArray['optimalWidth'];
113		$optimalHeight = $optionArray['optimalHeight'];
114		break;
115	View Code Duplication	case 'crop':
		0 ignored issues – show Duplication introduced 2016-03-16 10:10 UTC by Report Bug Copy Issue Report This code seems to be duplicated across your project. Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation. You can also find more detailed suggestions in the “Code” section of your repository. Loading history...
116		$optionArray = $this->getOptimalCrop($newWidth, $newHeight);
117		$optimalWidth = $optionArray['optimalWidth'];
118		$optimalHeight = $optionArray['optimalHeight'];
119		break;
120		default:
121		$optimalWidth = "";
122		$optimalHeight = "";
123		break;
124		}
125		return array('optimalWidth' => $optimalWidth, 'optimalHeight' => $optimalHeight);
126		}
127
128		## --------------------------------------------------------
129
130		private function getSizeByFixedHeight($newHeight)
131		{
132		$ratio = $this->width / $this->height;
133		$newWidth = $newHeight * $ratio;
134		return $newWidth;
135		}
136
137		private function getSizeByFixedWidth($newWidth)
138		{
139		$ratio = $this->height / $this->width;
140		$newHeight = $newWidth * $ratio;
141		return $newHeight;
142		}
143
144		private function getSizeByAuto($newWidth, $newHeight)
145		{
146		if ($this->height < $this->width) {
147		// *** Image to be resized is wider (landscape)
148		{
149		$optimalWidth = $newWidth;
150		}
151		$optimalHeight = $this->getSizeByFixedWidth($newWidth);
152		} elseif ($this->height > $this->width) {
153		// *** Image to be resized is taller (portrait)
154		{
155		$optimalWidth = $this->getSizeByFixedHeight($newHeight);
156		}
157		$optimalHeight = $newHeight;
158		} else
159		// *** Image to be resizerd is a square
160		{
161		if ($newHeight < $newWidth) {
162		$optimalWidth = $newWidth;
163		$optimalHeight = $this->getSizeByFixedWidth($newWidth);
164		} else if ($newHeight > $newWidth) {
165		$optimalWidth = $this->getSizeByFixedHeight($newHeight);
166		$optimalHeight = $newHeight;
167		} else {
168		// *** Sqaure being resized to a square
169		$optimalWidth = $newWidth;
170		$optimalHeight = $newHeight;
171		}
172		}
173
174		return array('optimalWidth' => $optimalWidth, 'optimalHeight' => $optimalHeight);
175		}
176
177		## --------------------------------------------------------
178
179		private function getOptimalCrop($newWidth, $newHeight)
180		{
181
182		$heightRatio = $this->height / $newHeight;
183		$widthRatio = $this->width / $newWidth;
184
185		if ($heightRatio < $widthRatio) {
186		$optimalRatio = $heightRatio;
187		} else {
188		$optimalRatio = $widthRatio;
189		}
190
191		$optimalHeight = $this->height / $optimalRatio;
192		$optimalWidth = $this->width / $optimalRatio;
193
194		return array('optimalWidth' => $optimalWidth, 'optimalHeight' => $optimalHeight);
195		}
196
197		## --------------------------------------------------------
198
199		private function crop($optimalWidth, $optimalHeight, $newWidth, $newHeight)
200		{
201		// *** Find center - this will be used for the crop
202		$cropStartX = ($optimalWidth / 2) - ($newWidth / 2);
203		$cropStartY = ($optimalHeight / 2) - ($newHeight / 2);
204
205		$crop = $this->imageResized;
206
207		// *** Now crop from center to exact requested size
208		$this->imageResized = imagecreatetruecolor($newWidth, $newHeight);
209		imagecopyresampled($this->imageResized, $crop, 0, 0, $cropStartX, $cropStartY, $newWidth, $newHeight, $newWidth, $newHeight);
210		}
211
212		## --------------------------------------------------------
213		/**
214		* @param string $savePath
215		* @param string $imageQuality
216		*/
217		public function saveImage($savePath, $imageQuality = "100")
218		{
219		// *** Get extension
220		$extension = strrchr($savePath, '.');
221		$extension = strtolower($extension);
222
223		switch ($extension)
224		{
225		case '.jpg':
226		case '.jpeg':
227		if (imagetypes() & IMG_JPG) {
228		imagejpeg($this->imageResized, $savePath, $imageQuality);
229		}
230		break;
231
232		case '.gif':
233		if (imagetypes() & IMG_GIF) {
234		imagegif($this->imageResized, $savePath);
235		}
236		break;
237
238		case '.png':
239		// *** Scale quality from 0-100 to 0-9
240		$scaleQuality = round(($imageQuality / 100) * 9);
241
242		// *** Invert quality setting as 0 is best, not 9
243		$invertScaleQuality = 9 - $scaleQuality;
244
245		if (imagetypes() & IMG_PNG) {
246		imagepng($this->imageResized, $savePath, $invertScaleQuality);
247		}
248		break;
249
250		// ... etc
251
252		default:
253		// *** No extension - No save.
254		break;
255		}
256
257		imagedestroy($this->imageResized);
258		}
259
260
261		## --------------------------------------------------------
262
263		}

Piou-piou / ribs-framework

Push — master ( ec0ca6...f04b64 )

Resize::getOptimalCrop() A

Complexity

Size

Duplication

Importance

Duplication Side-by-Side

Filter issues like