Resize::getSizeByAuto() - Code Metrics - Inspection of "update connexion documentation" - Piou-piou/ribs-framework - Measure and Improve Code Quality continuously with Scrutinizer

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Push — master ( f04b64...8e3d6a )

by Anthony

created 2016-03-16 10:15 UTC

Resize::getSizeByAuto() B

↳ Parent: Project

Complexity

Conditions	5
Paths	5

Size

Total Lines	32
Code Lines	18

Duplication

Lines	0
Ratio	0 %

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
c	1
b	0
f	0
dl	0
loc	32
rs	8.439
cc	5
eloc	18
nc	5
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			case 'auto':
111			$optionArray = $this->getSizeByAuto($newWidth, $newHeight);
112			$optimalWidth = $optionArray['optimalWidth'];
113			$optimalHeight = $optionArray['optimalHeight'];
114			break;
115			case 'crop':
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 ( f04b64...8e3d6a )

Resize::getSizeByAuto() B

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