private static function Kint_Parsers_Color::_convert in Devel 8.2

Same name and namespace in other branches

1. 8 kint/kint/parsers/custom/color.php \Kint_Parsers_Color::_convert()

1 call to Kint_Parsers_Color::_convert()

Kint_Parsers_Color::_parse in kint/kint/parsers/custom/color.php

* main and usually single method a custom parser must implement * *

File

kint/kint/parsers/custom/color.php, line 69

Class

Kint_Parsers_Color

Code

private static function _convert($color) {
  $color = strtolower($color);
  $decimalColors = array();
  $variants = array(
    'hex' => null,
    'rgb' => null,
    'name' => null,
    'hsl' => null,
  );
  if (isset(self::$_css3Named[$color])) {
    $variants['name'] = $color;
    $color = self::$_css3Named[$color];
  }
  if ($color[0] === '#') {
    $variants['hex'] = $color;
    $color = substr($color, 1);
    if (strlen($color) === 6) {
      $colors = str_split($color, 2);
    }
    else {
      $colors = array(
        $color[0] . $color[0],
        $color[1] . $color[1],
        $color[2] . $color[2],
      );
    }
    $decimalColors = array_map('hexdec', $colors);
  }
  elseif (substr($color, 0, 3) === 'rgb') {
    $variants['rgb'] = $color;
    preg_match_all('#([0-9.%]+)#', $color, $matches);
    $decimalColors = $matches[1];
    foreach ($decimalColors as &$color) {
      if (strpos($color, '%') !== false) {
        $color = str_replace('%', '', $color) * 2.55;
      }
    }
  }
  elseif (substr($color, 0, 3) === 'hsl') {
    $variants['hsl'] = $color;
    preg_match_all('#([0-9.%]+)#', $color, $matches);
    $colors = $matches[1];
    $colors[0] /= 360;
    $colors[1] = str_replace('%', '', $colors[1]) / 100;
    $colors[2] = str_replace('%', '', $colors[2]) / 100;
    $decimalColors = self::_HSLtoRGB($colors);
    if (isset($colors[3])) {
      $decimalColors[] = $colors[3];
    }
  }
  if (isset($decimalColors[3])) {
    $alpha = $decimalColors[3];
    unset($decimalColors[3]);
  }
  else {
    $alpha = null;
  }
  foreach ($variants as $type => &$variant) {
    if (isset($variant)) {
      continue;
    }
    switch ($type) {
      case 'hex':
        $variant = '#';
        foreach ($decimalColors as &$color) {
          $variant .= str_pad(dechex($color), 2, "0", STR_PAD_LEFT);
        }
        $variant .= isset($alpha) ? ' (alpha omitted)' : '';
        break;
      case 'rgb':
        $rgb = $decimalColors;
        if (isset($alpha)) {
          $rgb[] = $alpha;
          $a = 'a';
        }
        else {
          $a = '';
        }
        $variant = "rgb{$a}( " . implode(', ', $rgb) . " )";
        break;
      case 'hsl':
        $rgb = self::_RGBtoHSL($decimalColors);
        if ($rgb === null) {
          unset($variants[$type]);
          break;
        }
        if (isset($alpha)) {
          $rgb[] = $alpha;
          $a = 'a';
        }
        else {
          $a = '';
        }
        $variant = "hsl{$a}( " . implode(', ', $rgb) . " )";
        break;
      case 'name':

        // [!] name in initial variants array must go after hex
        if (($key = array_search($variants['hex'], self::$_css3Named, true)) !== false) {
          $variant = $key;
        }
        else {
          unset($variants[$type]);
        }
        break;
    }
  }
  return $variants;
}