Same name in other branches
  1. 8.x-3.x advagg_css_minify/yui/CSSMin.inc \CSSmin::rgb_to_hex()
1 call to CSSmin::rgb_to_hex()
CSSmin::hsl_to_hex in advagg_css_minify/yui/CSSMin.inc

File

advagg_css_minify/yui/CSSMin.inc, line 618

Class

CSSmin

Code

private function rgb_to_hex($matches) {
    // Support for percentage values rgb(100%, 0%, 45%);
    if ($this->index_of($matches[1], '%') >= 0) {
        $rgbcolors = explode(',', str_replace('%', '', $matches[1]));
        for ($i = 0; $i < count($rgbcolors); $i++) {
            $rgbcolors[$i] = $this->round_number(floatval($rgbcolors[$i]) * 2.55);
        }
    }
    else {
        $rgbcolors = explode(',', $matches[1]);
    }
    // Values outside the sRGB color space should be clipped (0-255)
    for ($i = 0; $i < count($rgbcolors); $i++) {
        $rgbcolors[$i] = $this->clamp_number(intval($rgbcolors[$i], 10), 0, 255);
        $rgbcolors[$i] = sprintf("%02x", $rgbcolors[$i]);
    }
    // Fix for issue #2528093
    if (!preg_match('/[\\s\\,\\);\\}]/', $matches[2])) {
        $matches[2] = ' ' . $matches[2];
    }
    return '#' . implode('', $rgbcolors) . $matches[2];
}