kopia lustrzana https://github.com/nextcloud/social
58 wiersze
1.6 KiB
PHP
58 wiersze
1.6 KiB
PHP
<?php
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declare(strict_types=1);
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/**
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* Nextcloud - Social Support
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*
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* This file is licensed under the Affero General Public License version 3 or
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* later. See the COPYING file.
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*
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* @author Maxence Lange <maxence@artificial-owl.com>
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* @copyright 2023, Maxence Lange <maxence@artificial-owl.com>
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* @license GNU AGPL version 3 or any later version
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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namespace OCA\Social\Service;
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use GdImage;
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use kornrunner\Blurhash\Blurhash;
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class BlurService {
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public function __construct() {
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}
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public function generateBlurHash(GdImage $image): string {
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$width = imagesx($image);
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$height = imagesy($image);
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$pixels = [];
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for ($y = 0; $y < $height; ++$y) {
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$row = [];
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for ($x = 0; $x < $width; ++$x) {
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$index = imagecolorat($image, $x, $y);
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$colors = imagecolorsforindex($image, $index);
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$row[] = [$colors['red'], $colors['green'], $colors['blue']];
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}
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$pixels[] = $row;
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}
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return Blurhash::encode($pixels, 4, 3);
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}
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}
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