13900524994

Committed 17 Mar 2025 01:21PM UTC coverage: 82.853% (-0.03%) from 82.886%

Build # 13900524994

Build Type

push

github

Committed by

ArnaudLigny

Commit Message

refactor: better code

Run Details

2 of 2 new or added lines in 2 files covered. (100.0%)

39 existing lines in 2 files now uncovered.

2962 of 3575 relevant lines covered (82.85%)

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58.06

/src/Assets/Image.php

<?php

declare(strict_types=1);

/*
 * This file is part of Cecil.
 *
 * Copyright (c) Arnaud Ligny <arnaud@ligny.fr>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Cecil\Assets;

use Cecil\Exception\RuntimeException;
use Intervention\Image\Encoders\AutoEncoder;
use Intervention\Image\ImageManager;

class Image
{
    /**
     * Create new manager instance with desired driver.
     */
    private static function manager(): ImageManager
    {
        if (\extension_loaded('gd') && \function_exists('gd_info')) {
            return ImageManager::gd();
        }
        if (\extension_loaded('imagick') && class_exists('Imagick')) {
            return ImageManager::imagick();
        }

        throw new RuntimeException('PHP GD or Imagick extension is required.');
    }

    /**
     * Resize an image Asset.
     *
     * @throws RuntimeException
     */
    public static function resize(Asset $asset, int $width, int $quality): string
    {
        try {
            // creates image object from source
            $image = self::manager()->read($asset['content']);
            // resizes to $width with constraint the aspect-ratio and unwanted upsizing
            $image->scaleDown(width: $width);
            // return image data
            return (string) $image->encodeByMediaType($asset['subtype'], /** @scrutinizer ignore-type */ progressive: true, /** @scrutinizer ignore-type */ interlaced: false, quality: $quality);
        } catch (\Exception $e) {
            throw new RuntimeException(\sprintf('Asset "%s" can\'t be resized: %s', $asset['path'], $e->getMessage()));
        }
    }

    /**
     * Converts an image Asset to the target format.
     *
     * @throws RuntimeException
     */
    public static function convert(Asset $asset, string $format, int $quality): string
    {
        try {
            $image = self::manager()->read($asset['content']);

            if (!\function_exists("image$format")) {
                throw new RuntimeException(\sprintf('Function "image%s" is not available.', $format));
            }

            return (string) $image->encodeByExtension($format, /** @scrutinizer ignore-type */ progressive: true, /** @scrutinizer ignore-type */ interlaced: false, quality: $quality);
        } catch (\Exception $e) {
            throw new RuntimeException(\sprintf('Not able to convert "%s": %s', $asset['path'], $e->getMessage()));
        }
    }

    /**
     * Returns the Data URL (encoded in Base64).
     *
     * @throws RuntimeException
     */
    public static function getDataUrl(Asset $asset, int $quality): string
    {
        try {
            $image = self::manager()->read($asset['content']);

            return (string) $image->encode(new AutoEncoder(quality: $quality))->toDataUri();
        } catch (\Exception $e) {
            throw new RuntimeException(\sprintf('Can\'t get Data URL of "%s": %s', $asset['path'], $e->getMessage()));
        }
    }

    /**
     * Returns the dominant RGB color of an image asset.
     *
     * @throws RuntimeException
     */
    public static function getDominantColor(Asset $asset): string
    {
        try {
            $image = self::manager()->read(self::resize($asset, 100, 50));

            return $image->reduceColors(1)->pickColor(0, 0)->toString();
        } catch (\Exception $e) {
            throw new RuntimeException(\sprintf('Can\'t get dominant color of "%s": %s', $asset['path'], $e->getMessage()));
        }
    }

    /**
     * Returns a Low Quality Image Placeholder (LQIP) as data URL.
     *
     * @throws RuntimeException
     */
    public static function getLqip(Asset $asset): string
    {
        try {
            $image = self::manager()->read(self::resize($asset, 100, 50));

            return (string) $image->blur(50)->encode()->toDataUri();
        } catch (\Exception $e) {
            throw new RuntimeException(\sprintf('can\'t create LQIP of "%s": %s', $asset['path'], $e->getMessage()));
        }
    }

    /**
     * Build the `srcset` attribute for responsive images.
     * e.g.: `srcset="/img-480.jpg 480w, /img-800.jpg 800w"`.
     *
     * @throws RuntimeException
     */
    public static function buildSrcset(Asset $asset, array $widths): string
    {
        if ($asset['type'] !== 'image') {
            throw new RuntimeException(\sprintf('can\'t build "srcset" of "%s": it\'s not an image file.', $asset['path']));
        }

        $srcset = '';
        $widthMax = 0;
        sort($widths, SORT_NUMERIC);
        $widths = array_reverse($widths);
        foreach ($widths as $width) {
            if ($asset['width'] < $width) {
                break;
            }
            $img = $asset->resize($width);
            $srcset .= \sprintf('%s %sw, ', (string) $img, $width);
            $widthMax = $width;
        }
        // adds source image
        if (!empty($srcset) && ($asset['width'] < max($widths) && $asset['width'] != $widthMax)) {
            $srcset .= \sprintf('%s %sw', (string) $asset, $asset['width']);
        }

        return rtrim($srcset, ', ');
    }

    /**
     * Returns the value of the "sizes" attribute corresponding to the configured class.
     */
    public static function getSizes(string $class, array $sizes = []): string
    {
        $result = '';
        $classArray = explode(' ', $class);
        foreach ($classArray as $class) {
            if (\array_key_exists($class, $sizes)) {
                $result = $sizes[$class] . ', ';
            }
        }
        if (!empty($result)) {
            return trim($result, ', ');
        }

        return $sizes['default'] ?? '100vw';
    }

    /**
     * Checks if an asset is an animated GIF.
     */
    public static function isAnimatedGif(Asset $asset): bool
    {
        // an animated GIF contains multiple "frames", with each frame having a header made up of:
        // 1. a static 4-byte sequence (\x00\x21\xF9\x04)
        // 2. 4 variable bytes
        // 3. a static 2-byte sequence (\x00\x2C)
        $count = preg_match_all('#\x00\x21\xF9\x04.{4}\x00[\x2C\x21]#s', (string) $asset['content']);

        return $count > 1;
    }

    /**
     * Returns true if asset is a SVG.
     */
    public static function isSVG(Asset $asset): bool
    {
        return \in_array($asset['subtype'], ['image/svg', 'image/svg+xml']) || $asset['ext'] == 'svg';
    }

    /**
     * Asset is a valid image?
     */
    public static function isImage(Asset $asset): bool
    {
        if ($asset['type'] !== 'image' || self::isSVG($asset)) {
            return false;
        }

        return true;
    }

    /**
     * Returns SVG attributes.
     *
     * @return \SimpleXMLElement|false
     */
    public static function getSvgAttributes(Asset $asset)
    {
        if (!self::isSVG($asset)) {
            return false;
        }

        if (false === $xml = simplexml_load_string($asset['content'] ?? '')) {
            return false;
        }

        return $xml->attributes();
    }
}

1	<?php
2
3	declare(strict_types=1);
4
5	/*
6	* This file is part of Cecil.
7	*
8	* Copyright (c) Arnaud Ligny <arnaud@ligny.fr>
9	*
10	* For the full copyright and license information, please view the LICENSE
11	* file that was distributed with this source code.
12	*/
13
14	namespace Cecil\Assets;
15
16	use Cecil\Exception\RuntimeException;
17	use Intervention\Image\Encoders\AutoEncoder;
18	use Intervention\Image\ImageManager;
19
20	class Image
21	{
22	/**
23	* Create new manager instance with desired driver.
24	*/
25	private static function manager(): ImageManager
26	{
27	if (\extension_loaded('gd') && \function_exists('gd_info')) {	1✔
28	return ImageManager::gd();	1✔
29	}
30	if (\extension_loaded('imagick') && class_exists('Imagick')) {	×
31	return ImageManager::imagick();	×
32	}
33
34	throw new RuntimeException('PHP GD or Imagick extension is required.');	×
35	}
36
37	/**
38	* Resize an image Asset.
39	*
40	* @throws RuntimeException
41	*/
42	public static function resize(Asset $asset, int $width, int $quality): string
43	{
44	try {
45	// creates image object from source
46	$image = self::manager()->read($asset['content']);	1✔
47	// resizes to $width with constraint the aspect-ratio and unwanted upsizing
48	$image->scaleDown(width: $width);	1✔
49	// return image data
50	return (string) $image->encodeByMediaType($asset['subtype'], /** @scrutinizer ignore-type / progressive: true, /* @scrutinizer ignore-type */ interlaced: false, quality: $quality);	1✔
51	} catch (\Exception $e) {	×
52	throw new RuntimeException(\sprintf('Asset "%s" can\'t be resized: %s', $asset['path'], $e->getMessage()));	×
53	}
54	}
55
56	/**
57	* Converts an image Asset to the target format.
58	*
59	* @throws RuntimeException
60	*/
61	public static function convert(Asset $asset, string $format, int $quality): string
62	{
63	try {
64	$image = self::manager()->read($asset['content']);	1✔
65
66	if (!\function_exists("image$format")) {	1✔
67	throw new RuntimeException(\sprintf('Function "image%s" is not available.', $format));	×
68	}
69
70	return (string) $image->encodeByExtension($format, /** @scrutinizer ignore-type / progressive: true, /* @scrutinizer ignore-type */ interlaced: false, quality: $quality);	1✔
71	} catch (\Exception $e) {	×
72	throw new RuntimeException(\sprintf('Not able to convert "%s": %s', $asset['path'], $e->getMessage()));	×
73	}
74	}
75
76	/**
77	* Returns the Data URL (encoded in Base64).
78	*
79	* @throws RuntimeException
80	*/
81	public static function getDataUrl(Asset $asset, int $quality): string
82	{
83	try {
84	$image = self::manager()->read($asset['content']);	1✔
85
86	return (string) $image->encode(new AutoEncoder(quality: $quality))->toDataUri();	1✔
87	} catch (\Exception $e) {	×
88	throw new RuntimeException(\sprintf('Can\'t get Data URL of "%s": %s', $asset['path'], $e->getMessage()));	×
89	}
90	}
91
92	/**
93	* Returns the dominant RGB color of an image asset.
94	*
95	* @throws RuntimeException
96	*/
97	public static function getDominantColor(Asset $asset): string
98	{
99	try {
100	$image = self::manager()->read(self::resize($asset, 100, 50));	1✔
101
102	return $image->reduceColors(1)->pickColor(0, 0)->toString();	1✔
UNCOV 103	} catch (\Exception $e) {	×
UNCOV 104	throw new RuntimeException(\sprintf('Can\'t get dominant color of "%s": %s', $asset['path'], $e->getMessage()));	×
105	}
106	}
107
108	/**
109	* Returns a Low Quality Image Placeholder (LQIP) as data URL.
110	*
111	* @throws RuntimeException
112	*/
113	public static function getLqip(Asset $asset): string
114	{
115	try {
116	$image = self::manager()->read(self::resize($asset, 100, 50));	1✔
117
118	return (string) $image->blur(50)->encode()->toDataUri();	1✔
UNCOV 119	} catch (\Exception $e) {	×
UNCOV 120	throw new RuntimeException(\sprintf('can\'t create LQIP of "%s": %s', $asset['path'], $e->getMessage()));	×
121	}
122	}
123
124	/**
125	* Build the `srcset` attribute for responsive images.
126	* e.g.: `srcset="/img-480.jpg 480w, /img-800.jpg 800w"`.
127	*
128	* @throws RuntimeException
129	*/
130	public static function buildSrcset(Asset $asset, array $widths): string
131	{
132	if ($asset['type'] !== 'image') {	1✔
UNCOV 133	throw new RuntimeException(\sprintf('can\'t build "srcset" of "%s": it\'s not an image file.', $asset['path']));	×
134	}
135
136	$srcset = '';	1✔
137	$widthMax = 0;	1✔
138	sort($widths, SORT_NUMERIC);	1✔
139	$widths = array_reverse($widths);	1✔
140	foreach ($widths as $width) {	1✔
141	if ($asset['width'] < $width) {	1✔
142	break;	1✔
143	}
UNCOV 144	$img = $asset->resize($width);	×
UNCOV 145	$srcset .= \sprintf('%s %sw, ', (string) $img, $width);	×
UNCOV 146	$widthMax = $width;	×
147	}
148	// adds source image
149	if (!empty($srcset) && ($asset['width'] < max($widths) && $asset['width'] != $widthMax)) {	1✔
150	$srcset .= \sprintf('%s %sw', (string) $asset, $asset['width']);	×
151	}
152
153	return rtrim($srcset, ', ');	1✔
154	}
155
156	/**
157	* Returns the value of the "sizes" attribute corresponding to the configured class.
158	*/
159	public static function getSizes(string $class, array $sizes = []): string
160	{
161	$result = '';	1✔
162	$classArray = explode(' ', $class);	1✔
163	foreach ($classArray as $class) {	1✔
164	if (\array_key_exists($class, $sizes)) {	1✔
UNCOV 165	$result = $sizes[$class] . ', ';	×
166	}
167	}
168	if (!empty($result)) {	1✔
169	return trim($result, ', ');	×
170	}
171
172	return $sizes['default'] ?? '100vw';	1✔
173	}
174
175	/**
176	* Checks if an asset is an animated GIF.
177	*/
178	public static function isAnimatedGif(Asset $asset): bool
179	{
180	// an animated GIF contains multiple "frames", with each frame having a header made up of:
181	// 1. a static 4-byte sequence (\x00\x21\xF9\x04)
182	// 2. 4 variable bytes
183	// 3. a static 2-byte sequence (\x00\x2C)
184	$count = preg_match_all('#\x00\x21\xF9\x04.{4}\x00[\x2C\x21]#s', (string) $asset['content']);	1✔
185
186	return $count > 1;	1✔
187	}
188
189	/**
190	* Returns true if asset is a SVG.
191	*/
192	public static function isSVG(Asset $asset): bool
193	{
194	return \in_array($asset['subtype'], ['image/svg', 'image/svg+xml']) \|\| $asset['ext'] == 'svg';	1✔
195	}
196
197	/**
198	* Asset is a valid image?
199	*/
200	public static function isImage(Asset $asset): bool
201	{
UNCOV 202	if ($asset['type'] !== 'image' \|\| self::isSVG($asset)) {	×
UNCOV 203	return false;	×
204	}
205
206	return true;	×
207	}
208
209	/**
210	* Returns SVG attributes.
211	*
212	* @return \SimpleXMLElement\|false
213	*/
214	public static function getSvgAttributes(Asset $asset)
215	{
216	if (!self::isSVG($asset)) {	1✔
UNCOV 217	return false;	×
218	}
219
220	if (false === $xml = simplexml_load_string($asset['content'] ?? '')) {	1✔
221	return false;	×
222	}
223
224	return $xml->attributes();	1✔
225	}
226	}

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