firefly-iii/app/Support/ChartColour.php

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<?php
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/**
* ChartColour.php
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* Copyright (c) 2019 james@firefly-iii.org
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*
* This file is part of Firefly III (https://github.com/firefly-iii).
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*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
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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
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
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*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
declare(strict_types=1);
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namespace FireflyIII\Support;
/**
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* Class ChartColour.
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*
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*/
class ChartColour
{
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/**
* @var array
*/
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public static $colours
= [
[53, 124, 165],
[0, 141, 76],
[219, 139, 11],
[202, 25, 90],
[85, 82, 153],
[66, 133, 244],
[219, 68, 55],
[244, 180, 0],
[15, 157, 88],
[171, 71, 188],
[0, 172, 193],
[255, 112, 67],
[158, 157, 36],
[92, 107, 192],
[240, 98, 146],
[0, 121, 107],
[194, 24, 91],
];
/**
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* @param int $index
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*
* @return string
*/
public static function getColour(int $index): string
{
$index %= count(self::$colours);
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$row = self::$colours[$index];
return sprintf('rgba(%d, %d, %d, 0.7)', $row[0], $row[1], $row[2]);
}
}