seria/src/Colours.php

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<?php
namespace Seria;
use Index\XNumber;
use Index\Colour\Colour;
use Index\Colour\ColourRGB;
final class Colours {
public const RATIO_GOOD = 0x008000;
public const RATIO_WARN = 0xFFAA00;
public const RATIO_BAD = 0xFF0000;
public const FILE_UP_TO_1GB = 0xA0F5B8;
public const FILE_UP_TO_5GB = 0xBAE9C7;
public const FILE_UP_TO_10GB = 0xCCDDDD;
public const FILE_UP_TO_20GB = 0xCCA1F4;
public const FILE_UP_TO_50GB = 0xDB5FF1;
public const FILE_OVER_50GB = 0xEC32A4;
private static array $colourCache = [];
public static function forRatio(float $ratio): Colour {
$warning = self::cached(self::RATIO_WARN);
$ratio *= 2;
if($ratio > 1)
return Colour::mix(
$warning,
self::cached(self::RATIO_GOOD),
XNumber::easeInQuad($ratio - 1)
);
return Colour::mix(
self::cached(self::RATIO_BAD),
$warning,
XNumber::easeOutQuad($ratio)
);
}
public static function forFileSize(int $bytes): Colour {
// should this ratio as well?
if($bytes >= 53687090000)
return self::cached(self::FILE_OVER_50GB);
if($bytes >= 21474840000)
return self::cached(self::FILE_UP_TO_50GB);
if($bytes >= 10737420000)
return self::cached(self::FILE_UP_TO_20GB);
if($bytes >= 5368709000)
return self::cached(self::FILE_UP_TO_10GB);
if($bytes >= 1073742000)
return self::cached(self::FILE_UP_TO_5GB);
return self::cached(self::FILE_UP_TO_1GB);
}
public static function cached(int $raw): Colour {
if(array_key_exists($raw, self::$colourCache))
return self::$colourCache[$raw];
return self::$colourCache[$raw] = ColourRGB::fromRawRGB($raw);
}
}