QROptionsTrait::set_eccLevel() - Code Metrics - Inspection of ":shower:" - chillerlan/php-qrcode - Measure and Improve Code Quality continuously with Scrutinizer

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by smiley

created 2021-12-09 00:33 UTC

QROptionsTrait::set_eccLevel() A

↳ Parent: QROptionsTrait

Complexity

Conditions	2
Paths	2

Size

Total Lines	7
Code Lines	3

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
cc	2
eloc	3
nc	2
nop	1
dl	0
loc	7
rs	10
c	0
b	0
f	0

<?php
/**
 * Trait QROptionsTrait
 *
 * @created      10.03.2018
 * @author       smiley <[email protected]>
 * @copyright    2018 smiley
 * @license      MIT
 *
 * @noinspection PhpUnused
 */

namespace chillerlan\QRCode;

use chillerlan\QRCode\Common\EccLevel;

use chillerlan\QRCode\Decoder\{GDLuminanceSource, IMagickLuminanceSource};
use function array_values, count, extension_loaded, in_array, is_numeric, max, min, sprintf, strtolower;

/**
 * The QRCode plug-in settings & setter functionality
 */
trait QROptionsTrait{

	/**
	 * QR Code version number
	 *
	 * [1 ... 40] or QRCode::VERSION_AUTO
	 */
	protected int $version = QRCode::VERSION_AUTO;

	/**
	 * Minimum QR version
	 *
	 * if $version = QRCode::VERSION_AUTO
	 */
	protected int $versionMin = 1;

	/**
	 * Maximum QR version
	 */
	protected int $versionMax = 40;

	/**
	 * Error correct level
	 *
	 * QRCode::ECC_X where X is:
	 *
	 *   - L =>  7%
	 *   - M => 15%
	 *   - Q => 25%
	 *   - H => 30%
	 */
	protected int $eccLevel = EccLevel::L;

	/**
	 * Mask Pattern to use (no value in using, mostly for unit testing purposes)
	 *
	 * [0...7] or QRCode::MASK_PATTERN_AUTO
	 */
	protected int $maskPattern = QRCode::MASK_PATTERN_AUTO;

	/**
	 * Add a "quiet zone" (margin) according to the QR code spec
	 */
	protected bool $addQuietzone = true;

	/**
	 * Size of the quiet zone
	 *
	 * internally clamped to [0 ... $moduleCount / 2], defaults to 4 modules
	 */
	protected int $quietzoneSize = 4;

	/**
	 * The output type
	 *
	 *   - QRCode::OUTPUT_MARKUP_XXXX where XXXX = HTML, SVG
	 *   - QRCode::OUTPUT_IMAGE_XXX where XXX = PNG, GIF, JPG
	 *   - QRCode::OUTPUT_STRING_XXXX where XXXX = TEXT, JSON
	 *   - QRCode::OUTPUT_CUSTOM
	 */
	protected string $outputType = QRCode::OUTPUT_MARKUP_SVG;

	/**
	 * the FQCN of the custom QROutputInterface if $outputType is set to QRCode::OUTPUT_CUSTOM
	 */
	protected ?string $outputInterface = null;

	/**
	 * /path/to/cache.file
	 */
	protected ?string $cachefile = null;

	/**
	 * newline string [HTML, SVG, TEXT]
	 */
	protected string $eol = PHP_EOL;

	/**
	 * size of a QR code pixel [SVG, IMAGE_*], HTML via CSS
	 */
	protected int $scale = 5;

	/**
	 * a common css class
	 */
	protected string $cssClass = 'qrcode';

	/**
	 * SVG opacity
	 */
	protected float $svgOpacity = 1.0;

	/**
	 * anything between <defs>
	 *
	 * @see https://developer.mozilla.org/en-US/docs/Web/SVG/Element/defs
	 */
	protected string $svgDefs = '';

	/**
	 * SVG viewBox size. a single integer number which defines width/height of the viewBox attribute.
	 *
	 * viewBox="0 0 x x"
	 *
	 * @see https://developer.mozilla.org/en-US/docs/Web/SVG/Attribute/viewBox
	 * @see https://css-tricks.com/scale-svg/#article-header-id-3
	 */
	protected ?int $svgViewBoxSize = null;

	/**
	 * @see https://developer.mozilla.org/en-US/docs/Web/SVG/Attribute/preserveAspectRatio
	 */
	protected string $svgPreserveAspectRatio = 'xMidYMid';

	/**
	 * optional "width" attribute with the specified value (note that the value is not checked!)
	 *
	 * @see https://developer.mozilla.org/en-US/docs/Web/SVG/Attribute/width
	 */
	protected ?string $svgWidth = null;

	/**
	 * optional "height" attribute with the specified value (note that the value is not checked!)
	 *
	 * @see https://developer.mozilla.org/en-US/docs/Web/SVG/Attribute/height
	 */
	protected ?string $svgHeight = null;

	/**
	 * whether to connect the paths for the several module types to avoid weird glitches when using gradients etc.
	 *
	 * @see https://github.com/chillerlan/php-qrcode/issues/57
	 */
	protected bool $svgConnectPaths = false;

	/**
	 * specify which paths/patterns to exclude from connecting if $svgConnectPaths is set to true
	 */
	protected array $svgExcludeFromConnect = [];

	/**
	 * specify whether to draw the modules as filled circles
	 */
	protected bool $svgDrawCircularModules = false;

	/**
	 * specifies the radius of the modules when $svgDrawCircularModules is set to true
	 */
	protected float $svgCircleRadius = 0.45;

	/**
	 * specifies which module types to exclude when $svgDrawCircularModules is set to true
	 */
	protected array $svgKeepAsSquare = [];

	/**
	 * string substitute for dark
	 */
	protected string $textDark = '🔴';

	/**
	 * string substitute for light
	 */
	protected string $textLight = '⭕';

	/**
	 * markup substitute for dark (CSS value)
	 */
	protected string $markupDark = '#000';

	/**
	 * markup substitute for light (CSS value)
	 */
	protected string $markupLight = '#fff';

	/**
	 * Return the image resource instead of a render if applicable.
	 * This option overrides other output options, such as $cachefile and $imageBase64.
	 *
	 * Supported by the following modules:
	 *
	 * - QRImage:   resource (PHP < 8), GdImage
	 * - QRImagick: Imagick
	 * - QRFpdf:    FPDF
	 *
	 * @see \chillerlan\QRCode\Output\QROutputInterface::dump()
	 *
	 * @var bool
	 */
	protected bool $returnResource = false;

	/**
	 * toggle base64 or raw image data
	 */
	protected bool $imageBase64 = true;

	/**
	 * toggle transparency, not supported by jpg
	 */
	protected bool $imageTransparent = true;

	/**
	 * @see imagecolortransparent()
	 *
	 * [R, G, B]
	 */
	protected array $imageTransparencyBG = [255, 255, 255];

	/**
	 * @see imagepng()
	 */
	protected int $pngCompression = -1;

	/**
	 * @see imagejpeg()
	 */
	protected int $jpegQuality = 85;

	/**
	 * Imagick output format
	 *
	 * @see \Imagick::setType()
	 */
	protected string $imagickFormat = 'png';

	/**
	 * Imagick background color (defaults to "transparent")
	 *
	 * @see \ImagickPixel::__construct()
	 */
	protected ?string $imagickBG = null;

	/**
	 * Measurement unit for FPDF output: pt, mm, cm, in (defaults to "pt")
	 *
	 * @see \FPDF::__construct()
	 */
	protected string $fpdfMeasureUnit = 'pt';

	/**
	 * Module values map
	 *
	 *   - HTML, IMAGICK: #ABCDEF, cssname, rgb(), rgba()...
	 *   - IMAGE: [63, 127, 255] // R, G, B
	 */
	protected ?array $moduleValues = null;

	/**
	 * use Imaagick (if available) when reading QR Codes
	 */
	protected bool $readerUseImagickIfAvailable = false;

	/**
	 * grayscale the image before reading
	 */
	protected bool $readerGrayscale = false;

	/**
	 * increase the contrast before reading
	 *
	 * note that applying contrast works different in GD and Imagick, so mileage may vary
	 */
	protected bool $readerIncreaseContrast = false;

	/**
	 * Toggles logo space creation
	 */
	protected bool $addLogoSpace = false;

	/**
	 * width of the logo space
	 */
	protected int $logoSpaceWidth = 0;

	/**
	 * height of the logo space
	 */
	protected int $logoSpaceHeight = 0;

	/**
	 * optional horizontal start position of the logo space (top left corner)
	 */
	protected ?int $logoSpaceStartX = null;

	/**
	 * optional vertical start position of the logo space (top left corner)
	 */
	protected ?int $logoSpaceStartY = null;

	/**
	 * clamp min/max version number
	 */
	protected function setMinMaxVersion(int $versionMin, int $versionMax):void{
		$min = max(1, min(40, $versionMin));
		$max = max(1, min(40, $versionMax));

		$this->versionMin = min($min, $max);
		$this->versionMax = max($min, $max);
	}

	/**
	 * sets the minimum version number
	 */
	protected function set_versionMin(int $version):void{
		$this->setMinMaxVersion($version, $this->versionMax);
	}

	/**
	 * sets the maximum version number
	 */
	protected function set_versionMax(int $version):void{
		$this->setMinMaxVersion($this->versionMin, $version);
	}

	/**
	 * sets the error correction level
	 *
	 * @throws \chillerlan\QRCode\QRCodeException
	 */
	protected function set_eccLevel(int $eccLevel):void{

		if(!in_array($eccLevel, [EccLevel::L, EccLevel::M, EccLevel::Q, EccLevel::H], true)){
			throw new QRCodeException(sprintf('Invalid error correct level: %s', $eccLevel));
		}

		$this->eccLevel = $eccLevel;
	}

	/**
	 * sets/clamps the mask pattern
	 */
	protected function set_maskPattern(int $maskPattern):void{

		if($maskPattern !== QRCode::MASK_PATTERN_AUTO){
			$this->maskPattern = max(0, min(7, $maskPattern));
		}

	}

	/**
	 * sets the transparency background color
	 *
	 * @throws \chillerlan\QRCode\QRCodeException
	 */
	protected function set_imageTransparencyBG(array $imageTransparencyBG):void{

		// invalid value - set to white as default
		if(count($imageTransparencyBG) < 3){
			$this->imageTransparencyBG = [255, 255, 255];

			return;
		}

		foreach($imageTransparencyBG as $k => $v){

			// cut off exceeding items
			if($k > 2){
				break;
			}

			if(!is_numeric($v)){
				throw new QRCodeException('Invalid RGB value.');
			}

			// clamp the values
			$this->imageTransparencyBG[$k] = max(0, min(255, (int)$v));
		}

		// use the array values to not run into errors with the spread operator (...$arr)
		$this->imageTransparencyBG = array_values($this->imageTransparencyBG);
	}

	/**
	 * sets/clamps the version number
	 */
	protected function set_version(int $version):void{

		if($version !== QRCode::VERSION_AUTO){
			$this->version = max(1, min(40, $version));
		}

	}

	/**
	 * sets the FPDF measurement unit
	 *
	 * @codeCoverageIgnore
	 */
	protected function set_fpdfMeasureUnit(string $unit):void{
		$unit = strtolower($unit);

		if(in_array($unit, ['cm', 'in', 'mm', 'pt'], true)){
			$this->fpdfMeasureUnit = $unit;
		}

		// @todo throw or ignore silently?
	}

	/**
	 * enables Imagick for the QR Code reader if the extension is available
	 */
	protected function set_readerUseImagickIfAvailable(bool $useImagickIfAvailable):void{
		$this->readerUseImagickIfAvailable = $useImagickIfAvailable && extension_loaded('imagick');
	}

	/**
	 * returns the FQCN of the luminance source class to use in the reader (GD or Imagick)
	 *
	 * @see \chillerlan\QRCode\Decoder\LuminanceSourceInterface
	 */
	public function getLuminanceSourceFQCN():string{
		// i still hate this
		return $this->readerUseImagickIfAvailable
			? IMagickLuminanceSource::class
			: GDLuminanceSource::class;
	}

	/**
	 * clamp the logo space values between 0 and maximum length (177 modules at version 40)
	 */
	protected function clampLogoSpaceValue(int $value):int{
		return (int)max(0, min(177, $value));
	}

	/**
	 * clamp/set logo space width
	 */
	protected function set_logoSpaceWidth(int $value):void{
		$this->logoSpaceWidth = $this->clampLogoSpaceValue($value);
	}

	/**
	 * clamp/set logo space height
	 */
	protected function set_logoSpaceHeight(int $value):void{
		$this->logoSpaceHeight = $this->clampLogoSpaceValue($value);
	}

	/**
	 * clamp/set horizontal logo space start
	 */
	protected function set_logoSpaceStartX(?int $value):void{
		$this->logoSpaceStartX = $value === null ? null : $this->clampLogoSpaceValue($value);
	}

	/**
	 * clamp/set vertical logo space start
	 */
	protected function set_logoSpaceStartY(?int $value):void{
		$this->logoSpaceStartY = $value === null ? null : $this->clampLogoSpaceValue($value);
	}

}


1			<?php
2			/**
3			* Trait QROptionsTrait
4			*
5			* @created 10.03.2018
6			* @author smiley <[email protected]>
7			* @copyright 2018 smiley
8			* @license MIT
9			*
10			* @noinspection PhpUnused
11			*/
12
13			namespace chillerlan\QRCode;
14
15			use chillerlan\QRCode\Common\EccLevel;
16
17			use chillerlan\QRCode\Decoder\{GDLuminanceSource, IMagickLuminanceSource};
18			use function array_values, count, extension_loaded, in_array, is_numeric, max, min, sprintf, strtolower;
19
20			/**
21			* The QRCode plug-in settings & setter functionality
22			*/
23			trait QROptionsTrait{
24
25			/**
26			* QR Code version number
27			*
28			* [1 ... 40] or QRCode::VERSION_AUTO
29			*/
30			protected int $version = QRCode::VERSION_AUTO;
31
32			/**
33			* Minimum QR version
34			*
35			* if $version = QRCode::VERSION_AUTO
36			*/
37			protected int $versionMin = 1;
38
39			/**
40			* Maximum QR version
41			*/
42			protected int $versionMax = 40;
43
44			/**
45			* Error correct level
46			*
47			* QRCode::ECC_X where X is:
48			*
49			* - L => 7%
50			* - M => 15%
51			* - Q => 25%
52			* - H => 30%
53			*/
54			protected int $eccLevel = EccLevel::L;
55
56			/**
57			* Mask Pattern to use (no value in using, mostly for unit testing purposes)
58			*
59			* [0...7] or QRCode::MASK_PATTERN_AUTO
60			*/
61			protected int $maskPattern = QRCode::MASK_PATTERN_AUTO;
62
63			/**
64			* Add a "quiet zone" (margin) according to the QR code spec
65			*/
66			protected bool $addQuietzone = true;
67
68			/**
69			* Size of the quiet zone
70			*
71			* internally clamped to [0 ... $moduleCount / 2], defaults to 4 modules
72			*/
73			protected int $quietzoneSize = 4;
74
75			/**
76			* The output type
77			*
78			* - QRCode::OUTPUT_MARKUP_XXXX where XXXX = HTML, SVG
79			* - QRCode::OUTPUT_IMAGE_XXX where XXX = PNG, GIF, JPG
80			* - QRCode::OUTPUT_STRING_XXXX where XXXX = TEXT, JSON
81			* - QRCode::OUTPUT_CUSTOM
82			*/
83			protected string $outputType = QRCode::OUTPUT_MARKUP_SVG;
84
85			/**
86			* the FQCN of the custom QROutputInterface if $outputType is set to QRCode::OUTPUT_CUSTOM
87			*/
88			protected ?string $outputInterface = null;
89
90			/**
91			* /path/to/cache.file
92			*/
93			protected ?string $cachefile = null;
94
95			/**
96			* newline string [HTML, SVG, TEXT]
97			*/
98			protected string $eol = PHP_EOL;
99
100			/**
101			* size of a QR code pixel [SVG, IMAGE_*], HTML via CSS
102			*/
103			protected int $scale = 5;
104
105			/**
106			* a common css class
107			*/
108			protected string $cssClass = 'qrcode';
109
110			/**
111			* SVG opacity
112			*/
113			protected float $svgOpacity = 1.0;
114
115			/**
116			* anything between <defs>
117			*
118			* @see https://developer.mozilla.org/en-US/docs/Web/SVG/Element/defs
119			*/
120			protected string $svgDefs = '';
121
122			/**
123			* SVG viewBox size. a single integer number which defines width/height of the viewBox attribute.
124			*
125			* viewBox="0 0 x x"
126			*
127			* @see https://developer.mozilla.org/en-US/docs/Web/SVG/Attribute/viewBox
128			* @see https://css-tricks.com/scale-svg/#article-header-id-3
129			*/
130			protected ?int $svgViewBoxSize = null;
131
132			/**
133			* @see https://developer.mozilla.org/en-US/docs/Web/SVG/Attribute/preserveAspectRatio
134			*/
135			protected string $svgPreserveAspectRatio = 'xMidYMid';
136
137			/**
138			* optional "width" attribute with the specified value (note that the value is not checked!)
139			*
140			* @see https://developer.mozilla.org/en-US/docs/Web/SVG/Attribute/width
141			*/
142			protected ?string $svgWidth = null;
143
144			/**
145			* optional "height" attribute with the specified value (note that the value is not checked!)
146			*
147			* @see https://developer.mozilla.org/en-US/docs/Web/SVG/Attribute/height
148			*/
149			protected ?string $svgHeight = null;
150
151			/**
152			* whether to connect the paths for the several module types to avoid weird glitches when using gradients etc.
153			*
154			* @see https://github.com/chillerlan/php-qrcode/issues/57
155			*/
156			protected bool $svgConnectPaths = false;
157
158			/**
159			* specify which paths/patterns to exclude from connecting if $svgConnectPaths is set to true
160			*/
161			protected array $svgExcludeFromConnect = [];
162
163			/**
164			* specify whether to draw the modules as filled circles
165			*/
166			protected bool $svgDrawCircularModules = false;
167
168			/**
169			* specifies the radius of the modules when $svgDrawCircularModules is set to true
170			*/
171			protected float $svgCircleRadius = 0.45;
172
173			/**
174			* specifies which module types to exclude when $svgDrawCircularModules is set to true
175			*/
176			protected array $svgKeepAsSquare = [];
177
178			/**
179			* string substitute for dark
180			*/
181			protected string $textDark = '🔴';
182
183			/**
184			* string substitute for light
185			*/
186			protected string $textLight = '⭕';
187
188			/**
189			* markup substitute for dark (CSS value)
190			*/
191			protected string $markupDark = '#000';
192
193			/**
194			* markup substitute for light (CSS value)
195			*/
196			protected string $markupLight = '#fff';
197
198			/**
199			* Return the image resource instead of a render if applicable.
200			* This option overrides other output options, such as $cachefile and $imageBase64.
201			*
202			* Supported by the following modules:
203			*
204			* - QRImage: resource (PHP < 8), GdImage
205			* - QRImagick: Imagick
206			* - QRFpdf: FPDF
207			*
208			* @see \chillerlan\QRCode\Output\QROutputInterface::dump()
209			*
210			* @var bool
211			*/
212			protected bool $returnResource = false;
213
214			/**
215			* toggle base64 or raw image data
216			*/
217			protected bool $imageBase64 = true;
218
219			/**
220			* toggle transparency, not supported by jpg
221			*/
222			protected bool $imageTransparent = true;
223
224			/**
225			* @see imagecolortransparent()
226			*
227			* [R, G, B]
228			*/
229			protected array $imageTransparencyBG = [255, 255, 255];
230
231			/**
232			* @see imagepng()
233			*/
234			protected int $pngCompression = -1;
235
236			/**
237			* @see imagejpeg()
238			*/
239			protected int $jpegQuality = 85;
240
241			/**
242			* Imagick output format
243			*
244			* @see \Imagick::setType()
245			*/
246			protected string $imagickFormat = 'png';
247
248			/**
249			* Imagick background color (defaults to "transparent")
250			*
251			* @see \ImagickPixel::__construct()
252			*/
253			protected ?string $imagickBG = null;
254
255			/**
256			* Measurement unit for FPDF output: pt, mm, cm, in (defaults to "pt")
257			*
258			* @see \FPDF::__construct()
259			*/
260			protected string $fpdfMeasureUnit = 'pt';
261
262			/**
263			* Module values map
264			*
265			* - HTML, IMAGICK: #ABCDEF, cssname, rgb(), rgba()...
266			* - IMAGE: [63, 127, 255] // R, G, B
267			*/
268			protected ?array $moduleValues = null;
269
270			/**
271			* use Imaagick (if available) when reading QR Codes
272			*/
273			protected bool $readerUseImagickIfAvailable = false;
274
275			/**
276			* grayscale the image before reading
277			*/
278			protected bool $readerGrayscale = false;
279
280			/**
281			* increase the contrast before reading
282			*
283			* note that applying contrast works different in GD and Imagick, so mileage may vary
284			*/
285			protected bool $readerIncreaseContrast = false;
286
287			/**
288			* Toggles logo space creation
289			*/
290			protected bool $addLogoSpace = false;
291
292			/**
293			* width of the logo space
294			*/
295			protected int $logoSpaceWidth = 0;
296
297			/**
298			* height of the logo space
299			*/
300			protected int $logoSpaceHeight = 0;
301
302			/**
303			* optional horizontal start position of the logo space (top left corner)
304			*/
305			protected ?int $logoSpaceStartX = null;
306
307			/**
308			* optional vertical start position of the logo space (top left corner)
309			*/
310			protected ?int $logoSpaceStartY = null;
311
312			/**
313			* clamp min/max version number
314			*/
315			protected function setMinMaxVersion(int $versionMin, int $versionMax):void{
316			$min = max(1, min(40, $versionMin));
317			$max = max(1, min(40, $versionMax));
318
319			$this->versionMin = min($min, $max);
320			$this->versionMax = max($min, $max);
321			}
322
323			/**
324			* sets the minimum version number
325			*/
326			protected function set_versionMin(int $version):void{
327			$this->setMinMaxVersion($version, $this->versionMax);
328			}
329
330			/**
331			* sets the maximum version number
332			*/
333			protected function set_versionMax(int $version):void{
334			$this->setMinMaxVersion($this->versionMin, $version);
335			}
336
337			/**
338			* sets the error correction level
339			*
340			* @throws \chillerlan\QRCode\QRCodeException
341			*/
342			protected function set_eccLevel(int $eccLevel):void{
343
344			if(!in_array($eccLevel, [EccLevel::L, EccLevel::M, EccLevel::Q, EccLevel::H], true)){
345			throw new QRCodeException(sprintf('Invalid error correct level: %s', $eccLevel));
346			}
347
348			$this->eccLevel = $eccLevel;
349			}
350
351			/**
352			* sets/clamps the mask pattern
353			*/
354			protected function set_maskPattern(int $maskPattern):void{
355
356			if($maskPattern !== QRCode::MASK_PATTERN_AUTO){
357			$this->maskPattern = max(0, min(7, $maskPattern));
358			}
359
360			}
361
362			/**
363			* sets the transparency background color
364			*
365			* @throws \chillerlan\QRCode\QRCodeException
366			*/
367			protected function set_imageTransparencyBG(array $imageTransparencyBG):void{
368
369			// invalid value - set to white as default
370			if(count($imageTransparencyBG) < 3){
371			$this->imageTransparencyBG = [255, 255, 255];
372
373			return;
374			}
375
376			foreach($imageTransparencyBG as $k => $v){
377
378			// cut off exceeding items
379			if($k > 2){
380			break;
381			}
382
383			if(!is_numeric($v)){
384			throw new QRCodeException('Invalid RGB value.');
385			}
386
387			// clamp the values
388			$this->imageTransparencyBG[$k] = max(0, min(255, (int)$v));
389			}
390
391			// use the array values to not run into errors with the spread operator (...$arr)
392			$this->imageTransparencyBG = array_values($this->imageTransparencyBG);
393			}
394
395			/**
396			* sets/clamps the version number
397			*/
398			protected function set_version(int $version):void{
399
400			if($version !== QRCode::VERSION_AUTO){
401			$this->version = max(1, min(40, $version));
402			}
403
404			}
405
406			/**
407			* sets the FPDF measurement unit
408			*
409			* @codeCoverageIgnore
410			*/
411			protected function set_fpdfMeasureUnit(string $unit):void{
412			$unit = strtolower($unit);
413
414			if(in_array($unit, ['cm', 'in', 'mm', 'pt'], true)){
415			$this->fpdfMeasureUnit = $unit;
416			}
417
418			// @todo throw or ignore silently?
419			}
420
421			/**
422			* enables Imagick for the QR Code reader if the extension is available
423			*/
424			protected function set_readerUseImagickIfAvailable(bool $useImagickIfAvailable):void{
425			$this->readerUseImagickIfAvailable = $useImagickIfAvailable && extension_loaded('imagick');
426			}
427
428			/**
429			* returns the FQCN of the luminance source class to use in the reader (GD or Imagick)
430			*
431			* @see \chillerlan\QRCode\Decoder\LuminanceSourceInterface
432			*/
433			public function getLuminanceSourceFQCN():string{
434			// i still hate this
435			return $this->readerUseImagickIfAvailable
436			? IMagickLuminanceSource::class
437			: GDLuminanceSource::class;
438			}
439
440			/**
441			* clamp the logo space values between 0 and maximum length (177 modules at version 40)
442			*/
443			protected function clampLogoSpaceValue(int $value):int{
444			return (int)max(0, min(177, $value));
445			}
446
447			/**
448			* clamp/set logo space width
449			*/
450			protected function set_logoSpaceWidth(int $value):void{
451			$this->logoSpaceWidth = $this->clampLogoSpaceValue($value);
452			}
453
454			/**
455			* clamp/set logo space height
456			*/
457			protected function set_logoSpaceHeight(int $value):void{
458			$this->logoSpaceHeight = $this->clampLogoSpaceValue($value);
459			}
460
461			/**
462			* clamp/set horizontal logo space start
463			*/
464			protected function set_logoSpaceStartX(?int $value):void{
465			$this->logoSpaceStartX = $value === null ? null : $this->clampLogoSpaceValue($value);
466			}
467
468			/**
469			* clamp/set vertical logo space start
470			*/
471			protected function set_logoSpaceStartY(?int $value):void{
472			$this->logoSpaceStartY = $value === null ? null : $this->clampLogoSpaceValue($value);
473			}
474
475			}
476

chillerlan / php-qrcode

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QROptionsTrait::set_eccLevel() A

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