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usr/src/litespeed-wp-plugin/5.5/litespeed-cache/lib/css-min/utils.cls.php 0000644 00000010011 14711325765 0022144 0 ustar 00 <?php namespace LiteSpeed\Lib\CSS_MIN ; defined( 'WPINC' ) || exit ; class Utils { /** * Clamps a number between a minimum and a maximum value. * @param int|float $n the number to clamp * @param int|float $min the lower end number allowed * @param int|float $max the higher end number allowed * @return int|float */ public static function clampNumber($n, $min, $max) { return min(max($n, $min), $max); } /** * Clamps a RGB color number outside the sRGB color space * @param int|float $n the number to clamp * @return int|float */ public static function clampNumberSrgb($n) { return self::clampNumber($n, 0, 255); } /** * Converts a HSL color into a RGB color * @param array $hslValues * @return array */ public static function hslToRgb($hslValues) { $h = floatval($hslValues[0]); $s = floatval(str_replace('%', '', $hslValues[1])); $l = floatval(str_replace('%', '', $hslValues[2])); // Wrap and clamp, then fraction! $h = ((($h % 360) + 360) % 360) / 360; $s = self::clampNumber($s, 0, 100) / 100; $l = self::clampNumber($l, 0, 100) / 100; if ($s == 0) { $r = $g = $b = self::roundNumber(255 * $l); } else { $v2 = $l < 0.5 ? $l * (1 + $s) : ($l + $s) - ($s * $l); $v1 = (2 * $l) - $v2; $r = self::roundNumber(255 * self::hueToRgb($v1, $v2, $h + (1/3))); $g = self::roundNumber(255 * self::hueToRgb($v1, $v2, $h)); $b = self::roundNumber(255 * self::hueToRgb($v1, $v2, $h - (1/3))); } return array($r, $g, $b); } /** * Tests and selects the correct formula for each RGB color channel * @param $v1 * @param $v2 * @param $vh * @return mixed */ public static function hueToRgb($v1, $v2, $vh) { $vh = $vh < 0 ? $vh + 1 : ($vh > 1 ? $vh - 1 : $vh); if ($vh * 6 < 1) { return $v1 + ($v2 - $v1) * 6 * $vh; } if ($vh * 2 < 1) { return $v2; } if ($vh * 3 < 2) { return $v1 + ($v2 - $v1) * ((2 / 3) - $vh) * 6; } return $v1; } /** * Convert strings like "64M" or "30" to int values * @param mixed $size * @return int */ public static function normalizeInt($size) { if (is_string($size)) { $letter = substr($size, -1); $size = intval($size); switch ($letter) { case 'M': case 'm': return (int) $size * 1048576; case 'K': case 'k': return (int) $size * 1024; case 'G': case 'g': return (int) $size * 1073741824; } } return (int) $size; } /** * Converts a string containing and RGB percentage value into a RGB integer value i.e. '90%' -> 229.5 * @param $rgbPercentage * @return int */ public static function rgbPercentageToRgbInteger($rgbPercentage) { if (strpos($rgbPercentage, '%') !== false) { $rgbPercentage = self::roundNumber(floatval(str_replace('%', '', $rgbPercentage)) * 2.55); } return intval($rgbPercentage, 10); } /** * Converts a RGB color into a HEX color * @param array $rgbColors * @return array */ public static function rgbToHex($rgbColors) { $hexColors = array(); // Values outside the sRGB color space should be clipped (0-255) for ($i = 0, $l = count($rgbColors); $i < $l; $i++) { $hexColors[$i] = sprintf("%02x", self::clampNumberSrgb(self::rgbPercentageToRgbInteger($rgbColors[$i]))); } return $hexColors; } /** * Rounds a number to its closest integer * @param $n * @return int */ public static function roundNumber($n) { return intval(round(floatval($n)), 10); } } usr/src/litespeed-wp-plugin/4.4/litespeed-cache/lib/css-min/utils.cls.php 0000644 00000010011 14711326237 0022135 0 ustar 00 <?php namespace LiteSpeed\Lib\CSS_MIN ; defined( 'WPINC' ) || exit ; class Utils { /** * Clamps a number between a minimum and a maximum value. * @param int|float $n the number to clamp * @param int|float $min the lower end number allowed * @param int|float $max the higher end number allowed * @return int|float */ public static function clampNumber($n, $min, $max) { return min(max($n, $min), $max); } /** * Clamps a RGB color number outside the sRGB color space * @param int|float $n the number to clamp * @return int|float */ public static function clampNumberSrgb($n) { return self::clampNumber($n, 0, 255); } /** * Converts a HSL color into a RGB color * @param array $hslValues * @return array */ public static function hslToRgb($hslValues) { $h = floatval($hslValues[0]); $s = floatval(str_replace('%', '', $hslValues[1])); $l = floatval(str_replace('%', '', $hslValues[2])); // Wrap and clamp, then fraction! $h = ((($h % 360) + 360) % 360) / 360; $s = self::clampNumber($s, 0, 100) / 100; $l = self::clampNumber($l, 0, 100) / 100; if ($s == 0) { $r = $g = $b = self::roundNumber(255 * $l); } else { $v2 = $l < 0.5 ? $l * (1 + $s) : ($l + $s) - ($s * $l); $v1 = (2 * $l) - $v2; $r = self::roundNumber(255 * self::hueToRgb($v1, $v2, $h + (1/3))); $g = self::roundNumber(255 * self::hueToRgb($v1, $v2, $h)); $b = self::roundNumber(255 * self::hueToRgb($v1, $v2, $h - (1/3))); } return array($r, $g, $b); } /** * Tests and selects the correct formula for each RGB color channel * @param $v1 * @param $v2 * @param $vh * @return mixed */ public static function hueToRgb($v1, $v2, $vh) { $vh = $vh < 0 ? $vh + 1 : ($vh > 1 ? $vh - 1 : $vh); if ($vh * 6 < 1) { return $v1 + ($v2 - $v1) * 6 * $vh; } if ($vh * 2 < 1) { return $v2; } if ($vh * 3 < 2) { return $v1 + ($v2 - $v1) * ((2 / 3) - $vh) * 6; } return $v1; } /** * Convert strings like "64M" or "30" to int values * @param mixed $size * @return int */ public static function normalizeInt($size) { if (is_string($size)) { $letter = substr($size, -1); $size = intval($size); switch ($letter) { case 'M': case 'm': return (int) $size * 1048576; case 'K': case 'k': return (int) $size * 1024; case 'G': case 'g': return (int) $size * 1073741824; } } return (int) $size; } /** * Converts a string containing and RGB percentage value into a RGB integer value i.e. '90%' -> 229.5 * @param $rgbPercentage * @return int */ public static function rgbPercentageToRgbInteger($rgbPercentage) { if (strpos($rgbPercentage, '%') !== false) { $rgbPercentage = self::roundNumber(floatval(str_replace('%', '', $rgbPercentage)) * 2.55); } return intval($rgbPercentage, 10); } /** * Converts a RGB color into a HEX color * @param array $rgbColors * @return array */ public static function rgbToHex($rgbColors) { $hexColors = array(); // Values outside the sRGB color space should be clipped (0-255) for ($i = 0, $l = count($rgbColors); $i < $l; $i++) { $hexColors[$i] = sprintf("%02x", self::clampNumberSrgb(self::rgbPercentageToRgbInteger($rgbColors[$i]))); } return $hexColors; } /** * Rounds a number to its closest integer * @param $n * @return int */ public static function roundNumber($n) { return intval(round(floatval($n)), 10); } }
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