RGBAColor::setBrightness() - Code Metrics - Inspection of "Updated dependencies (mostly dev)." - Mistralys/application-utils - Measure and Improve Code Quality continuously with Scrutinizer

Test Failed

Push — master ( 9d3a5c...c5f273 )

by Sebastian

created 2023-03-16 21:24 UTC

RGBAColor::setBrightness() A

↳ Parent: RGBAColor

Complexity

Conditions	1
Paths	1

Size

Total Lines	6
Code Lines	4

Duplication

Lines	0
Ratio	0 %

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
eloc	4
c	1
b	0
f	0
dl	0
loc	6
rs	10
cc	1
nc	1
nop	1

<?php
/**
 * File containing the class {@see RGBAColor}.
 *
 * @package Application Utils
 * @subpackage RGBAColor
 * @see RGBAColor
 */

declare(strict_types=1);

namespace AppUtils;

use AppUtils\RGBAColor\ArrayConverter;
use AppUtils\RGBAColor\ColorChannel;
use AppUtils\RGBAColor\ColorChannel\BrightnessChannel;
use AppUtils\RGBAColor\ColorComparator;
use AppUtils\RGBAColor\ColorException;
use AppUtils\RGBAColor\ColorFactory;
use AppUtils\RGBAColor\FormatsConverter;
use ArrayAccess;

/**
 * Container for RGB color information, with optional alpha channel.
 * Allows treating the objects as an array, as a drop-in replacement
 * for the GD color functions.
 *
 * It can be cast to string, which returns the human-readable version
 * of the color as returned by {@see RGBAColor::getLabel()}.
 *
 * To create an instance, the easiest way is to use the {@see ColorFactory},
 * which offers different data models to get the color information
 * from.
 *
 * @package Application Utils
 * @subpackage RGBAColor
 * @author Sebastian Mordziol <[email protected]>
 * @implements ArrayAccess<string,ColorChannel>
 */
class RGBAColor implements ArrayAccess, Interface_Stringable
{
    public const ERROR_UNKNOWN_COLOR_SUBJECT = 93401;
    public const ERROR_INVALID_COLOR_COMPONENT = 93402;
    public const ERROR_INVALID_PERCENTAGE_VALUE = 93503;
    public const ERROR_INVALID_HEX_LENGTH = 93505;
    public const ERROR_UNKNOWN_COLOR_PRESET = 93507;
    public const ERROR_INVALID_COLOR_ARRAY = 93508;

    public const CHANNEL_RED = 'red';
    public const CHANNEL_GREEN = 'green';
    public const CHANNEL_BLUE = 'blue';
    public const CHANNEL_ALPHA = 'alpha';

    /**
     * @var array<string,ColorChannel>
     */
    private array $color;

    /**
     * @var string[]
     */
    public const COLOR_COMPONENTS = array(
        self::CHANNEL_RED,
        self::CHANNEL_GREEN,
        self::CHANNEL_BLUE,
        self::CHANNEL_ALPHA
    );

    private string $name;

    /**
     * @param ColorChannel $red
     * @param ColorChannel $green
     * @param ColorChannel $blue
     * @param ColorChannel $alpha
     * @param string $name
     */
    public function __construct(ColorChannel $red, ColorChannel $green, ColorChannel $blue, ColorChannel $alpha, string $name)
    {
        $this->color[self::CHANNEL_RED] = $red;
        $this->color[self::CHANNEL_GREEN] = $green;
        $this->color[self::CHANNEL_BLUE] = $blue;
        $this->color[self::CHANNEL_ALPHA] = $alpha;
        $this->name = $name;
    }

    /**
     * Retrieves the color's name, if any. Colors created from
     * presets for example, inherit the name from the preset.
     *
     * @return string
     */
    public function getName() : string
    {
        return $this->name;
    }

    /**
     * Human-readable label of the color. Automatically
     * switches between RGBA and RGB depending on whether
     * the color has any transparency.
     *
     * @return string
     */
    public function getLabel() : string
    {
        return FormatsConverter::color2readable($this);
    }

    // region: Get components

    /**
     * Gets the color's luminance equivalent.
     *
     * @return int Integer, from 0 to 255 (0=black, 255=white)
     * @see self::getBrightness()
     */
    public function getLuma() : int
    {
        return $this->toHSV()->getBrightness()->get8Bit();
    }

    /**
     * Retrieves the brightness of the color, in percent.
     * @return BrightnessChannel
     */
    public function getBrightness() : BrightnessChannel
    {
        return $this->toHSV()->getBrightness();
    }

    /**
     * Whether the alpha channel has a transparency value.
     * @return bool
     */
    public function hasTransparency() : bool
    {
        return $this->getAlpha()->get8Bit() > 0;
    }

    /**
     * The amount of red in the color.
     *
     * @return ColorChannel
     */
    public function getRed() : ColorChannel
    {
        return $this->color[self::CHANNEL_RED];
    }

    /**
     * The amount of green in the color.
     *
     * @return ColorChannel
     */
    public function getGreen() : ColorChannel
    {
        return $this->color[self::CHANNEL_GREEN];
    }

    /**
     * The amount of blue in the color.
     *
     * @return ColorChannel
     */
    public function getBlue() : ColorChannel
    {
        return $this->color[self::CHANNEL_BLUE];
    }

    /**
     * The opacity of the color (smaller value = opaque, higher value = transparent).
     *
     * @return ColorChannel
     */
    public function getAlpha() : ColorChannel
    {
        return $this->color[self::CHANNEL_ALPHA];
    }

    /**
     * Retrieves the current transparency value as a percentage.
     * 100 = fully transparent, 0 = fully opaque
     *
     * @return ColorChannel
     * @throws ColorException
     */
    public function getTransparency() : ColorChannel
    {
        return $this->color[self::CHANNEL_ALPHA]->invert();
    }

    /**
     * @param string $name
     * @return ColorChannel
     *
     * @throws ColorException
     * @see RGBAColor::ERROR_INVALID_COLOR_COMPONENT
     */
    public function getColor(string $name) : ColorChannel
    {
        $this->requireValidComponent($name);

        return $this->color[$name];
    }

    // endregion

    // region: Operations

    /**
     * @param float $percent -100 to 100
     * @return RGBAColor (New instance)
     */
    public function adjustBrightness(float $percent) : RGBAColor
    {
        return $this
            ->toHSV()
            ->adjustBrightness($percent)
            ->toRGB();
    }

    // endregion

    // region: Converting

    /**
     * Converts the color to a HEX color value. This is either
     * a RRGGBB or RRGGBBAA string, depending on whether there
     * is an alpha channel value.
     *
     * @return string
     */
    public function toHEX() : string
    {
        return FormatsConverter::color2HEX($this);
    }

    public function toCSS() : string
    {
        return FormatsConverter::color2CSS($this);
    }

    /**
     * Converts the color to a Hue/Saturation/Brightness value.
     * Practical for adjusting the values, which is difficult
     * with pure RGB values.
     *
     * @return HSVColor
     */
    public function toHSV() : HSVColor
    {
        $hsv = FormatsConverter::rgb2hsv(
            $this->getRed()->get8Bit(),
            $this->getGreen()->get8Bit(),
            $this->getBlue()->get8Bit()
        );

        return new HSVColor(
            ColorChannel::hue($hsv['hue']),
            ColorChannel::saturation($hsv['saturation']),
            ColorChannel::brightness($hsv['brightness']),
            $this->getAlpha()
        );
    }

    /**
     * Converts the color to a color array.
     *
     * @return ArrayConverter
     */
    public function toArray() : ArrayConverter
    {
        return FormatsConverter::color2array($this);
    }

    // endregion

    // region: Setting color values

    /**
     * Returns a new instance with the modified color channel,
     * keeping all other color values.
     *
     * @param ColorChannel $red
     * @return RGBAColor
     */
    public function setRed(ColorChannel $red) : RGBAColor
    {
        return ColorFactory::create(
            $red,
            $this->getGreen(),
            $this->getBlue(),
            $this->getAlpha()
        );
    }

    /**
     * Returns a new instance with the modified color channel,
     * keeping all other color values.
     *
     * @param ColorChannel $green
     * @return RGBAColor
     */
    public function setGreen(ColorChannel $green) : RGBAColor
    {
        return ColorFactory::create(
            $this->getRed(),
            $green,
            $this->getBlue(),
            $this->getAlpha()
        );
    }

    /**
     * Returns a new instance with the modified color channel,
     * keeping all other color values.
     *
     * @param ColorChannel $blue
     * @return RGBAColor
     */
    public function setBlue(ColorChannel $blue) : RGBAColor
    {
        return ColorFactory::create(
            $this->getRed(),
            $this->getGreen(),
            $blue,
            $this->getAlpha()
        );
    }

    /**
     * Returns a new instance with the modified color channel,
     * keeping all other color values.
     *
     * @param ColorChannel $alpha
     * @return RGBAColor
     */
    public function setAlpha(ColorChannel $alpha) : RGBAColor
    {
        return ColorFactory::create(
            $this->getRed(),
            $this->getGreen(),
            $this->getBlue(),
            $alpha
        );
    }

    /**
     * Sets the transparency of the color, which is an alias
     * for the alpha, but inverted. Returns a new color
     * instance with the modified value.
     *
     * @param ColorChannel $transparency
     * @return RGBAColor
     */
    public function setTransparency(ColorChannel $transparency) : RGBAColor
    {
        return $this->setAlpha($transparency->invert());
    }

    /**
     * Changes the color's brightness to the specified level.
     *
     * @param int|float $brightness 0 to 100
     * @return RGBAColor
     */
    public function setBrightness($brightness) : RGBAColor
    {
        return $this
            ->toHSV()
            ->setBrightness($brightness)
            ->toRGB();
    }

    /**
     * Sets the color, and returns a new RGBAColor instance
     * with the target color modified.
     *
     * @param string $name
     * @param ColorChannel $value
     * @return RGBAColor
     *
     * @throws ColorException
     * @see RGBAColor::ERROR_INVALID_COLOR_COMPONENT
     */
    public function setColor(string $name, ColorChannel $value) : RGBAColor
    {
        $this->requireValidComponent($name);

        $channels = array(
            self::CHANNEL_RED => $this->getRed(),
            self::CHANNEL_GREEN => $this->getGreen(),
            self::CHANNEL_BLUE => $this->getBlue(),
            self::CHANNEL_ALPHA => $this->getAlpha()
        );

        $channels[$name] = $value;

        return ColorFactory::create(
            $channels[self::CHANNEL_RED],
            $channels[self::CHANNEL_GREEN],
            $channels[self::CHANNEL_BLUE],
            $channels[self::CHANNEL_ALPHA]
        );
    }

    // endregion

    /**
     * @param string $name
     * @throws ColorException
     * @see RGBAColor::ERROR_INVALID_COLOR_COMPONENT
     */
    private function requireValidComponent(string $name) : void
    {
        if(in_array($name, self::COLOR_COMPONENTS))
        {
            return;
        }

        throw new ColorException(
            'Invalid color component.',
            sprintf(
                'The color component [%s] is not a valid color component. Valid components are: [%s].',
                $name,
                implode(', ', self::COLOR_COMPONENTS)
            ),
            self::ERROR_INVALID_COLOR_COMPONENT
        );
    }

    /**
     * Whether this color is the same as the specified color.
     *
     * NOTE: Only compares the RGB color values, ignoring the
     * transparency. To also compare transparency, use `matchesAlpha()`.
     *
     * @param RGBAColor $targetColor
     * @return bool
     * @throws ColorException
     */
    public function matches(RGBAColor $targetColor) : bool
    {
        return ColorComparator::colorsMatch($this, $targetColor);
    }

    /**
     * Whether this color is the same as the specified color,
     * including the alpha channel.
     *
     * @param RGBAColor $targetColor
     * @return bool
     * @throws ColorException
     */
    public function matchesAlpha(RGBAColor $targetColor) : bool
    {
        return ColorComparator::colorsMatchAlpha($this, $targetColor);
    }

    public function __toString()
    {
        return $this->getLabel();
    }

    // region: ArrayAccess interface methods

    public function offsetExists($offset)
    {
        $key = (string)$offset;

        return isset($this->color[$key]);
    }

    public function offsetGet($offset)
    {
        $key = (string)$offset;

        return $this->color[$key] ?? 0;
    }

    public function offsetSet($offset, $value)
    {
        $this->setColor((string)$offset, $value);
    }

    public function offsetUnset($offset)
    {

    }

    // endregion
}


1			<?php
2			/**
3			* File containing the class {@see RGBAColor}.
4			*
5			* @package Application Utils
6			* @subpackage RGBAColor
7			* @see RGBAColor
8			*/
9
10			declare(strict_types=1);
11
12			namespace AppUtils;
13
14			use AppUtils\RGBAColor\ArrayConverter;
15			use AppUtils\RGBAColor\ColorChannel;
16			use AppUtils\RGBAColor\ColorChannel\BrightnessChannel;
17			use AppUtils\RGBAColor\ColorComparator;
18			use AppUtils\RGBAColor\ColorException;
19			use AppUtils\RGBAColor\ColorFactory;
20			use AppUtils\RGBAColor\FormatsConverter;
21			use ArrayAccess;
22
23			/**
24			* Container for RGB color information, with optional alpha channel.
25			* Allows treating the objects as an array, as a drop-in replacement
26			* for the GD color functions.
27			*
28			* It can be cast to string, which returns the human-readable version
29			* of the color as returned by {@see RGBAColor::getLabel()}.
30			*
31			* To create an instance, the easiest way is to use the {@see ColorFactory},
32			* which offers different data models to get the color information
33			* from.
34			*
35			* @package Application Utils
36			* @subpackage RGBAColor
37			* @author Sebastian Mordziol <[email protected]>
38			* @implements ArrayAccess<string,ColorChannel>
39			*/
40			class RGBAColor implements ArrayAccess, Interface_Stringable
41			{
42			public const ERROR_UNKNOWN_COLOR_SUBJECT = 93401;
43			public const ERROR_INVALID_COLOR_COMPONENT = 93402;
44			public const ERROR_INVALID_PERCENTAGE_VALUE = 93503;
45			public const ERROR_INVALID_HEX_LENGTH = 93505;
46			public const ERROR_UNKNOWN_COLOR_PRESET = 93507;
47			public const ERROR_INVALID_COLOR_ARRAY = 93508;
48
49			public const CHANNEL_RED = 'red';
50			public const CHANNEL_GREEN = 'green';
51			public const CHANNEL_BLUE = 'blue';
52			public const CHANNEL_ALPHA = 'alpha';
53
54			/**
55			* @var array<string,ColorChannel>
56			*/
57			private array $color;
58
59			/**
60			* @var string[]
61			*/
62			public const COLOR_COMPONENTS = array(
63			self::CHANNEL_RED,
64			self::CHANNEL_GREEN,
65			self::CHANNEL_BLUE,
66			self::CHANNEL_ALPHA
67			);
68
69			private string $name;
70
71			/**
72			* @param ColorChannel $red
73			* @param ColorChannel $green
74			* @param ColorChannel $blue
75			* @param ColorChannel $alpha
76			* @param string $name
77			*/
78			public function __construct(ColorChannel $red, ColorChannel $green, ColorChannel $blue, ColorChannel $alpha, string $name)
79			{
80			$this->color[self::CHANNEL_RED] = $red;
81			$this->color[self::CHANNEL_GREEN] = $green;
82			$this->color[self::CHANNEL_BLUE] = $blue;
83			$this->color[self::CHANNEL_ALPHA] = $alpha;
84			$this->name = $name;
85			}
86
87			/**
88			* Retrieves the color's name, if any. Colors created from
89			* presets for example, inherit the name from the preset.
90			*
91			* @return string
92			*/
93			public function getName() : string
94			{
95			return $this->name;
96			}
97
98			/**
99			* Human-readable label of the color. Automatically
100			* switches between RGBA and RGB depending on whether
101			* the color has any transparency.
102			*
103			* @return string
104			*/
105			public function getLabel() : string
106			{
107			return FormatsConverter::color2readable($this);
108			}
109
110			// region: Get components
111
112			/**
113			* Gets the color's luminance equivalent.
114			*
115			* @return int Integer, from 0 to 255 (0=black, 255=white)
116			* @see self::getBrightness()
117			*/
118			public function getLuma() : int
119			{
120			return $this->toHSV()->getBrightness()->get8Bit();
121			}
122
123			/**
124			* Retrieves the brightness of the color, in percent.
125			* @return BrightnessChannel
126			*/
127			public function getBrightness() : BrightnessChannel
128			{
129			return $this->toHSV()->getBrightness();
130			}
131
132			/**
133			* Whether the alpha channel has a transparency value.
134			* @return bool
135			*/
136			public function hasTransparency() : bool
137			{
138			return $this->getAlpha()->get8Bit() > 0;
139			}
140
141			/**
142			* The amount of red in the color.
143			*
144			* @return ColorChannel
145			*/
146			public function getRed() : ColorChannel
147			{
148			return $this->color[self::CHANNEL_RED];
149			}
150
151			/**
152			* The amount of green in the color.
153			*
154			* @return ColorChannel
155			*/
156			public function getGreen() : ColorChannel
157			{
158			return $this->color[self::CHANNEL_GREEN];
159			}
160
161			/**
162			* The amount of blue in the color.
163			*
164			* @return ColorChannel
165			*/
166			public function getBlue() : ColorChannel
167			{
168			return $this->color[self::CHANNEL_BLUE];
169			}
170
171			/**
172			* The opacity of the color (smaller value = opaque, higher value = transparent).
173			*
174			* @return ColorChannel
175			*/
176			public function getAlpha() : ColorChannel
177			{
178			return $this->color[self::CHANNEL_ALPHA];
179			}
180
181			/**
182			* Retrieves the current transparency value as a percentage.
183			* 100 = fully transparent, 0 = fully opaque
184			*
185			* @return ColorChannel
186			* @throws ColorException
187			*/
188			public function getTransparency() : ColorChannel
189			{
190			return $this->color[self::CHANNEL_ALPHA]->invert();
191			}
192
193			/**
194			* @param string $name
195			* @return ColorChannel
196			*
197			* @throws ColorException
198			* @see RGBAColor::ERROR_INVALID_COLOR_COMPONENT
199			*/
200			public function getColor(string $name) : ColorChannel
201			{
202			$this->requireValidComponent($name);
203
204			return $this->color[$name];
205			}
206
207			// endregion
208
209			// region: Operations
210
211			/**
212			* @param float $percent -100 to 100
213			* @return RGBAColor (New instance)
214			*/
215			public function adjustBrightness(float $percent) : RGBAColor
216			{
217			return $this
218			->toHSV()
219			->adjustBrightness($percent)
220			->toRGB();
221			}
222
223			// endregion
224
225			// region: Converting
226
227			/**
228			* Converts the color to a HEX color value. This is either
229			* a RRGGBB or RRGGBBAA string, depending on whether there
230			* is an alpha channel value.
231			*
232			* @return string
233			*/
234			public function toHEX() : string
235			{
236			return FormatsConverter::color2HEX($this);
237			}
238
239			public function toCSS() : string
240			{
241			return FormatsConverter::color2CSS($this);
242			}
243
244			/**
245			* Converts the color to a Hue/Saturation/Brightness value.
246			* Practical for adjusting the values, which is difficult
247			* with pure RGB values.
248			*
249			* @return HSVColor
250			*/
251			public function toHSV() : HSVColor
252			{
253			$hsv = FormatsConverter::rgb2hsv(
254			$this->getRed()->get8Bit(),
255			$this->getGreen()->get8Bit(),
256			$this->getBlue()->get8Bit()
257			);
258
259			return new HSVColor(
260			ColorChannel::hue($hsv['hue']),
261			ColorChannel::saturation($hsv['saturation']),
262			ColorChannel::brightness($hsv['brightness']),
263			$this->getAlpha()
264			);
265			}
266
267			/**
268			* Converts the color to a color array.
269			*
270			* @return ArrayConverter
271			*/
272			public function toArray() : ArrayConverter
273			{
274			return FormatsConverter::color2array($this);
275			}
276
277			// endregion
278
279			// region: Setting color values
280
281			/**
282			* Returns a new instance with the modified color channel,
283			* keeping all other color values.
284			*
285			* @param ColorChannel $red
286			* @return RGBAColor
287			*/
288			public function setRed(ColorChannel $red) : RGBAColor
289			{
290			return ColorFactory::create(
291			$red,
292			$this->getGreen(),
293			$this->getBlue(),
294			$this->getAlpha()
295			);
296			}
297
298			/**
299			* Returns a new instance with the modified color channel,
300			* keeping all other color values.
301			*
302			* @param ColorChannel $green
303			* @return RGBAColor
304			*/
305			public function setGreen(ColorChannel $green) : RGBAColor
306			{
307			return ColorFactory::create(
308			$this->getRed(),
309			$green,
310			$this->getBlue(),
311			$this->getAlpha()
312			);
313			}
314
315			/**
316			* Returns a new instance with the modified color channel,
317			* keeping all other color values.
318			*
319			* @param ColorChannel $blue
320			* @return RGBAColor
321			*/
322			public function setBlue(ColorChannel $blue) : RGBAColor
323			{
324			return ColorFactory::create(
325			$this->getRed(),
326			$this->getGreen(),
327			$blue,
328			$this->getAlpha()
329			);
330			}
331
332			/**
333			* Returns a new instance with the modified color channel,
334			* keeping all other color values.
335			*
336			* @param ColorChannel $alpha
337			* @return RGBAColor
338			*/
339			public function setAlpha(ColorChannel $alpha) : RGBAColor
340			{
341			return ColorFactory::create(
342			$this->getRed(),
343			$this->getGreen(),
344			$this->getBlue(),
345			$alpha
346			);
347			}
348
349			/**
350			* Sets the transparency of the color, which is an alias
351			* for the alpha, but inverted. Returns a new color
352			* instance with the modified value.
353			*
354			* @param ColorChannel $transparency
355			* @return RGBAColor
356			*/
357			public function setTransparency(ColorChannel $transparency) : RGBAColor
358			{
359			return $this->setAlpha($transparency->invert());
360			}
361
362			/**
363			* Changes the color's brightness to the specified level.
364			*
365			* @param int\|float $brightness 0 to 100
366			* @return RGBAColor
367			*/
368			public function setBrightness($brightness) : RGBAColor
369			{
370			return $this
371			->toHSV()
372			->setBrightness($brightness)
373			->toRGB();
374			}
375
376			/**
377			* Sets the color, and returns a new RGBAColor instance
378			* with the target color modified.
379			*
380			* @param string $name
381			* @param ColorChannel $value
382			* @return RGBAColor
383			*
384			* @throws ColorException
385			* @see RGBAColor::ERROR_INVALID_COLOR_COMPONENT
386			*/
387			public function setColor(string $name, ColorChannel $value) : RGBAColor
388			{
389			$this->requireValidComponent($name);
390
391			$channels = array(
392			self::CHANNEL_RED => $this->getRed(),
393			self::CHANNEL_GREEN => $this->getGreen(),
394			self::CHANNEL_BLUE => $this->getBlue(),
395			self::CHANNEL_ALPHA => $this->getAlpha()
396			);
397
398			$channels[$name] = $value;
399
400			return ColorFactory::create(
401			$channels[self::CHANNEL_RED],
402			$channels[self::CHANNEL_GREEN],
403			$channels[self::CHANNEL_BLUE],
404			$channels[self::CHANNEL_ALPHA]
405			);
406			}
407
408			// endregion
409
410			/**
411			* @param string $name
412			* @throws ColorException
413			* @see RGBAColor::ERROR_INVALID_COLOR_COMPONENT
414			*/
415			private function requireValidComponent(string $name) : void
416			{
417			if(in_array($name, self::COLOR_COMPONENTS))
418			{
419			return;
420			}
421
422			throw new ColorException(
423			'Invalid color component.',
424			sprintf(
425			'The color component [%s] is not a valid color component. Valid components are: [%s].',
426			$name,
427			implode(', ', self::COLOR_COMPONENTS)
428			),
429			self::ERROR_INVALID_COLOR_COMPONENT
430			);
431			}
432
433			/**
434			* Whether this color is the same as the specified color.
435			*
436			* NOTE: Only compares the RGB color values, ignoring the
437			* transparency. To also compare transparency, use `matchesAlpha()`.
438			*
439			* @param RGBAColor $targetColor
440			* @return bool
441			* @throws ColorException
442			*/
443			public function matches(RGBAColor $targetColor) : bool
444			{
445			return ColorComparator::colorsMatch($this, $targetColor);
446			}
447
448			/**
449			* Whether this color is the same as the specified color,
450			* including the alpha channel.
451			*
452			* @param RGBAColor $targetColor
453			* @return bool
454			* @throws ColorException
455			*/
456			public function matchesAlpha(RGBAColor $targetColor) : bool
457			{
458			return ColorComparator::colorsMatchAlpha($this, $targetColor);
459			}
460
461			public function __toString()
462			{
463			return $this->getLabel();
464			}
465
466			// region: ArrayAccess interface methods
467
468			public function offsetExists($offset)
469			{
470			$key = (string)$offset;
471
472			return isset($this->color[$key]);
473			}
474
475			public function offsetGet($offset)
476			{
477			$key = (string)$offset;
478
479			return $this->color[$key] ?? 0;
480			}
481
482			public function offsetSet($offset, $value)
483			{
484			$this->setColor((string)$offset, $value);
485			}
486
487			public function offsetUnset($offset)
488			{
489
490			}
491
492			// endregion
493			}
494

Mistralys / application-utils

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RGBAColor::setBrightness() A

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