QRImage::toSVG() - Code Metrics - Inspection of "Add SVG output support" - chillerlan/php-qrcode - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Pull Request — master (#5)

unknown

created 2016-12-17 06:18 UTC

QRImage::toSVG() C

↳ Parent: QRImage

Complexity

Conditions	11
Paths	110

Size

Total Lines	57
Code Lines	31

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
dl	0
loc	57
rs	6.2173
c	0
b	0
f	0
cc	11
eloc	31
nc	110
nop	0

How to fix Long Method Complexity

<?php
/**
 * Class QRImage
 *
 * @filesource   QRImage.php
 * @created      05.12.2015
 * @package      chillerlan\QRCode\Output
 * @author       Smiley <[email protected]>
 * @copyright    2015 Smiley
 * @license      MIT
 */

namespace chillerlan\QRCode\Output;

use chillerlan\QRCode\QRCode;

/**
 *
 */
class QRImage extends QROutputAbstract{

	/**
	 * @var \chillerlan\QRCode\Output\QRImageOptions $outputOptions
	 */
	protected $options;

	/**
	 * @var \chillerlan\QRCode\Output\QRImageOptions $outputOptions
	 */
	public function __construct(QRImageOptions $outputOptions = null){
		$this->options = $outputOptions;

		if(!$this->options instanceof QRImageOptions){
			$this->options = new QRImageOptions;
		}

		// clamp input (determine sane values!)
		$this->options->pixelSize = max(1, min(25, (int)$this->options->pixelSize));
		$this->options->marginSize = max(0, min(25, (int)$this->options->marginSize));

		foreach(['fgRed', 'fgGreen', 'fgBlue', 'bgRed', 'bgGreen', 'bgBlue'] as $val){
			$this->options->{$val} = max(0, min(255, (int)$this->options->{$val}));
		}

	}

	/**
	 * @return string
	 */
	public function dump(){
		// svg doesn't need all this GD business
		if($this->options->type === QRCode::OUTPUT_IMAGE_SVG){
			return $this->toSVG();
		}

		$length     = $this->pixelCount * $this->options->pixelSize + $this->options->marginSize * 2;
		$image      = imagecreatetruecolor($length, $length);
		$foreground = imagecolorallocate($image, $this->options->fgRed, $this->options->fgGreen, $this->options->fgBlue);
		$background = imagecolorallocate($image, $this->options->bgRed, $this->options->bgGreen, $this->options->bgBlue);

		if((bool)$this->options->transparent && $this->options->type !== QRCode::OUTPUT_IMAGE_JPG){
			imagecolortransparent($image, $background);
		}

		imagefilledrectangle($image, 0, 0, $length, $length, $background);

		foreach($this->matrix as $r => $row){
			foreach($row as $c => $pixel){
				if($pixel){
					imagefilledrectangle($image,
						$this->options->marginSize +  $c      * $this->options->pixelSize,
						$this->options->marginSize +  $r      * $this->options->pixelSize,
						$this->options->marginSize + ($c + 1) * $this->options->pixelSize - 1,
						$this->options->marginSize + ($r + 1) * $this->options->pixelSize - 1,
						$foreground);
				}
			}
		}

		ob_start();

		switch($this->options->type){
			case QRCode::OUTPUT_IMAGE_JPG:

				imagejpeg(
					$image,
					$this->options->cachefile,
					in_array($this->options->jpegQuality, range(0, 100), true)
						? $this->options->jpegQuality
						: 85
				);
				break;
			case QRCode::OUTPUT_IMAGE_GIF: /** Actually, it's pronounced "DJIFF". *hides* */
switch ($expr) {
case "A":
    doSomething(); //right
    break;
case "B":

    doSomethingElse(); //wrong
    break;
				imagegif(
					$image,
					$this->options->cachefile
				);
				break;
			case QRCode::OUTPUT_IMAGE_PNG:
			default:

				imagepng(
					$image,
					$this->options->cachefile,
					in_array($this->options->pngCompression, range(-1, 9), true)
						? $this->options->pngCompression
						: -1
				);
		}

		$imageData = ob_get_contents();
		imagedestroy($image);
		ob_end_clean();

		if((bool)$this->options->base64){
			$imageData = 'data:image/'.$this->options->type.';base64,'.base64_encode($imageData);
		}

		return $imageData;
	}

	/**
	 * @return string
	 */
	protected function toSVG(){
		$length     = $this->pixelCount * $this->options->pixelSize + $this->options->marginSize * 2;
		$class      = 'f' . hash('crc32', microtime(true));
		$foreground = 'rgb(' . $this->options->fgRed . ',' . $this->options->fgGreen . ',' . $this->options->fgBlue . ')';
		$background = (bool)$this->options->transparent
			? 'transparent'
			: 'rgb(' . $this->options->bgRed . ',' . $this->options->bgGreen . ',' . $this->options->bgBlue . ')';

		ob_start();

		// svg header
		echo '<svg xmlns="http://www.w3.org/2000/svg" version="1.1" width="' . $length . '" height="' . $length . '" viewBox="0 0 ' . $length . ' ' . $length . '" style="background-color:' . $background . '"><defs><style>.' . $class . '{fill:' . $foreground . '} rect{shape-rendering:crispEdges}</style></defs>';

		// svg body
		foreach($this->matrix AS $r=>$row){
			//we'll combine active blocks within a single row as a lightweight compression technique
			$from = -1;
			$count = 0;

			foreach($row AS $c=>$pixel){
				if($pixel){
					$count++;
					if($from < 0)
						$from = $c;
				}
				else if($from >= 0){
					echo '<rect x="' . ($from * $this->options->pixelSize + $this->options->marginSize) . '" y="' . ($r * $this->options->pixelSize + $this->options->marginSize) . '" width="' . ($this->options->pixelSize * $count) . '" height="' . $this->options->pixelSize . '" class="' . $class . '" />';

					// reset count
					$from = -1;
					$count = 0;
				}
			}

			// close off the row, if applicable
			if($from >= 0){
				echo '<rect x="' . ($from * $this->options->pixelSize + $this->options->marginSize) . '" y="' . ($r * $this->options->pixelSize + $this->options->marginSize) . '" width="' . ($this->options->pixelSize * $count) . '" height="' . $this->options->pixelSize . '" class="' . $class . '" />';
			}
		}

		// close svg
		echo '</svg>';
		$imageData = ob_get_clean();

		// if saving to file, append the correct headers
		if($this->options->cachefile){
			if(false === @file_put_contents($this->options->cachefile, '<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">' . "\n" . $imageData)){
				throw new QRCodeOutputException('Could not write to cache file.');
			}
		}

		if((bool)$this->options->base64){
			$imageData = 'data:image/svg+xml;base64,'.base64_encode($imageData);
		}

		return $imageData;
	}

}


1		<?php
2		/**
3		* Class QRImage
4		*
5		* @filesource QRImage.php
6		* @created 05.12.2015
7		* @package chillerlan\QRCode\Output
8		* @author Smiley <[email protected]>
9		* @copyright 2015 Smiley
10		* @license MIT
11		*/
12
13		namespace chillerlan\QRCode\Output;
14
15		use chillerlan\QRCode\QRCode;
16
17		/**
18		*
19		*/
20		class QRImage extends QROutputAbstract{
21
22		/**
23		* @var \chillerlan\QRCode\Output\QRImageOptions $outputOptions
24		*/
25		protected $options;
26
27		/**
28		* @var \chillerlan\QRCode\Output\QRImageOptions $outputOptions
29		*/
30		public function __construct(QRImageOptions $outputOptions = null){
31		$this->options = $outputOptions;
32
33		if(!$this->options instanceof QRImageOptions){
34		$this->options = new QRImageOptions;
35		}
36
37		// clamp input (determine sane values!)
38		$this->options->pixelSize = max(1, min(25, (int)$this->options->pixelSize));
39		$this->options->marginSize = max(0, min(25, (int)$this->options->marginSize));
40
41		foreach(['fgRed', 'fgGreen', 'fgBlue', 'bgRed', 'bgGreen', 'bgBlue'] as $val){
42		$this->options->{$val} = max(0, min(255, (int)$this->options->{$val}));
43		}
44
45		}
46
47		/**
48		* @return string
49		*/
50		public function dump(){
51		// svg doesn't need all this GD business
52		if($this->options->type === QRCode::OUTPUT_IMAGE_SVG){
53		return $this->toSVG();
54		}
55
56		$length = $this->pixelCount * $this->options->pixelSize + $this->options->marginSize * 2;
57		$image = imagecreatetruecolor($length, $length);
58		$foreground = imagecolorallocate($image, $this->options->fgRed, $this->options->fgGreen, $this->options->fgBlue);
59		$background = imagecolorallocate($image, $this->options->bgRed, $this->options->bgGreen, $this->options->bgBlue);
60
61		if((bool)$this->options->transparent && $this->options->type !== QRCode::OUTPUT_IMAGE_JPG){
62		imagecolortransparent($image, $background);
63		}
64
65		imagefilledrectangle($image, 0, 0, $length, $length, $background);
66
67		foreach($this->matrix as $r => $row){
68		foreach($row as $c => $pixel){
69		if($pixel){
70		imagefilledrectangle($image,
71		$this->options->marginSize + $c * $this->options->pixelSize,
72		$this->options->marginSize + $r * $this->options->pixelSize,
73		$this->options->marginSize + ($c + 1) * $this->options->pixelSize - 1,
74		$this->options->marginSize + ($r + 1) * $this->options->pixelSize - 1,
75		$foreground);
76		}
77		}
78		}
79
80		ob_start();
81
82		switch($this->options->type){
83	View Code Duplication	case QRCode::OUTPUT_IMAGE_JPG:
		0 ignored issues – show Duplication introduced 2016-03-20 23:07 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...
84		imagejpeg(
85		$image,
86		$this->options->cachefile,
87		in_array($this->options->jpegQuality, range(0, 100), true)
88		? $this->options->jpegQuality
89		: 85
90		);
91		break;
92		case QRCode::OUTPUT_IMAGE_GIF: /** Actually, it's pronounced "DJIFF". hides */
		1 ignored issue – show Coding Style introduced 2016-03-20 23:07 UTC by Report Bug Copy Issue Report The case body in a switch statement must start on the line following the statement. According to the PSR-2, the body of a case statement must start on the line immediately following the case statement. switch ($expr) { case "A": doSomething(); //right break; case "B": doSomethingElse(); //wrong break; } To learn more about the PSR-2 coding standard, please refer to the PHP-Fig. Loading history...
93		imagegif(
94		$image,
95		$this->options->cachefile
96		);
97		break;
98		case QRCode::OUTPUT_IMAGE_PNG:
99	View Code Duplication	default:
		0 ignored issues – show Duplication introduced 2016-03-20 23:07 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...
100		imagepng(
101		$image,
102		$this->options->cachefile,
103		in_array($this->options->pngCompression, range(-1, 9), true)
104		? $this->options->pngCompression
105		: -1
106		);
107		}
108
109		$imageData = ob_get_contents();
110		imagedestroy($image);
111		ob_end_clean();
112
113		if((bool)$this->options->base64){
114		$imageData = 'data:image/'.$this->options->type.';base64,'.base64_encode($imageData);
115		}
116
117		return $imageData;
118		}
119
120		/**
121		* @return string
122		*/
123		protected function toSVG(){
124		$length = $this->pixelCount * $this->options->pixelSize + $this->options->marginSize * 2;
125		$class = 'f' . hash('crc32', microtime(true));
126		$foreground = 'rgb(' . $this->options->fgRed . ',' . $this->options->fgGreen . ',' . $this->options->fgBlue . ')';
127		$background = (bool)$this->options->transparent
128		? 'transparent'
129		: 'rgb(' . $this->options->bgRed . ',' . $this->options->bgGreen . ',' . $this->options->bgBlue . ')';
130
131		ob_start();
132
133		// svg header
134		echo '<svg xmlns="http://www.w3.org/2000/svg" version="1.1" width="' . $length . '" height="' . $length . '" viewBox="0 0 ' . $length . ' ' . $length . '" style="background-color:' . $background . '"><defs><style>.' . $class . '{fill:' . $foreground . '} rect{shape-rendering:crispEdges}</style></defs>';
135
136		// svg body
137		foreach($this->matrix AS $r=>$row){
138		//we'll combine active blocks within a single row as a lightweight compression technique
139		$from = -1;
140		$count = 0;
141
142		foreach($row AS $c=>$pixel){
143		if($pixel){
144		$count++;
145		if($from < 0)
146		$from = $c;
147		}
148		else if($from >= 0){
149		echo '<rect x="' . ($from * $this->options->pixelSize + $this->options->marginSize) . '" y="' . ($r * $this->options->pixelSize + $this->options->marginSize) . '" width="' . ($this->options->pixelSize * $count) . '" height="' . $this->options->pixelSize . '" class="' . $class . '" />';
150
151		// reset count
152		$from = -1;
153		$count = 0;
154		}
155		}
156
157		// close off the row, if applicable
158		if($from >= 0){
159		echo '<rect x="' . ($from * $this->options->pixelSize + $this->options->marginSize) . '" y="' . ($r * $this->options->pixelSize + $this->options->marginSize) . '" width="' . ($this->options->pixelSize * $count) . '" height="' . $this->options->pixelSize . '" class="' . $class . '" />';
160		}
161		}
162
163		// close svg
164		echo '</svg>';
165		$imageData = ob_get_clean();
166
167		// if saving to file, append the correct headers
168		if($this->options->cachefile){
169		if(false === @file_put_contents($this->options->cachefile, '<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">' . "\n" . $imageData)){
170		throw new QRCodeOutputException('Could not write to cache file.');
171		}
172		}
173
174		if((bool)$this->options->base64){
175		$imageData = 'data:image/svg+xml;base64,'.base64_encode($imageData);
176		}
177
178		return $imageData;
179		}
180
181		}
182

chillerlan / php-qrcode

Pull Request — master (#5)

QRImage::toSVG() C

Complexity

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Duplication

Importance

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