ok
Direktori : /home2/selectio/www/limpiar.in.net/install/vendor/mpdf/mpdf/src/Color/ |
Current File : //home2/selectio/www/limpiar.in.net/install/vendor/mpdf/mpdf/src/Color/ColorConverter.php |
<?php namespace Mpdf\Color; use Mpdf\Mpdf; class ColorConverter { const MODE_GRAYSCALE = 1; const MODE_SPOT = 2; const MODE_RGB = 3; const MODE_CMYK = 4; const MODE_RGBA = 5; const MODE_CMYKA = 6; private $mpdf; private $colorModeConverter; private $colorSpaceRestrictor; private $cache; public function __construct(Mpdf $mpdf, ColorModeConverter $colorModeConverter, ColorSpaceRestrictor $colorSpaceRestrictor) { $this->mpdf = $mpdf; $this->colorModeConverter = $colorModeConverter; $this->colorSpaceRestrictor = $colorSpaceRestrictor; $this->cache = []; } public function convert($color, array &$PDFAXwarnings = []) { $color = strtolower(trim($color)); if ($color === 'transparent' || $color === 'inherit') { return false; } if (isset(NamedColors::$colors[$color])) { $color = NamedColors::$colors[$color]; } if (!isset($this->cache[$color])) { $c = $this->convertPlain($color, $PDFAXwarnings); $cstr = ''; if (is_array($c)) { $c = array_pad($c, 6, 0); $cstr = pack( 'a1ccccc', $c[0], round($c[1]) & 0xFF, round($c[2]) & 0xFF, round($c[3]) & 0xFF, round($c[4]) & 0xFF, round($c[5]) & 0xFF ); } $this->cache[$color] = $cstr; } return $this->cache[$color]; } public function lighten($c) { $this->ensureBinaryColorFormat($c); if ($c[0] == static::MODE_RGB || $c[0] == static::MODE_RGBA) { list($h, $s, $l) = $this->colorModeConverter->rgb2hsl(ord($c[1]) / 255, ord($c[2]) / 255, ord($c[3]) / 255); $l += ((1 - $l) * 0.8); list($r, $g, $b) = $this->colorModeConverter->hsl2rgb($h, $s, $l); $ret = [3, $r, $g, $b]; } elseif ($c[0] == static::MODE_CMYK || $c[0] == static::MODE_CMYKA) { $ret = [4, max(0, ord($c[1]) - 20), max(0, ord($c[2]) - 20), max(0, ord($c[3]) - 20), max(0, ord($c[4]) - 20)]; } elseif ($c[0] == static::MODE_GRAYSCALE) { $ret = [1, min(255, ord($c[1]) + 32)]; } $c = array_pad($ret, 6, 0); $cstr = pack( 'a1ccccc', $c[0], round($c[1]) & 0xFF, round($c[2]) & 0xFF, round($c[3]) & 0xFF, round($c[4]) & 0xFF, round($c[5]) & 0xFF ); return $cstr; } public function darken($c) { $this->ensureBinaryColorFormat($c); if ($c[0] == static::MODE_RGB || $c[0] == static::MODE_RGBA) { list($h, $s, $l) = $this->colorModeConverter->rgb2hsl(ord($c[1]) / 255, ord($c[2]) / 255, ord($c[3]) / 255); $s *= 0.25; $l *= 0.75; list($r, $g, $b) = $this->colorModeConverter->hsl2rgb($h, $s, $l); $ret = [3, $r, $g, $b]; } elseif ($c[0] == static::MODE_CMYK || $c[0] == static::MODE_CMYKA) { $ret = [4, min(100, ord($c[1]) + 20), min(100, ord($c[2]) + 20), min(100, ord($c[3]) + 20), min(100, ord($c[4]) + 20)]; } elseif ($c[0] == static::MODE_GRAYSCALE) { $ret = [1, max(0, ord($c[1]) - 32)]; } $c = array_pad($ret, 6, 0); $cstr = pack('a1ccccc', $c[0], $c[1] & 0xFF, $c[2] & 0xFF, $c[3] & 0xFF, $c[4] & 0xFF, $c[5] & 0xFF); return $cstr; } /** * @param string $c * @return float[] */ public function invert($c) { $this->ensureBinaryColorFormat($c); if ($c[0] == static::MODE_RGB || $c[0] == static::MODE_RGBA) { return [3, 255 - ord($c[1]), 255 - ord($c[2]), 255 - ord($c[3])]; } if ($c[0] == static::MODE_CMYK || $c[0] == static::MODE_CMYKA) { return [4, 100 - ord($c[1]), 100 - ord($c[2]), 100 - ord($c[3]), 100 - ord($c[4])]; } if ($c[0] == static::MODE_GRAYSCALE) { return [1, 255 - ord($c[1])]; } // Cannot cope with non-RGB colors at present throw new \Mpdf\MpdfException('Trying to invert non-RGB color'); } /** * @param string $c Binary color string * * @return string */ public function colAtoString($c) { if ($c[0] == static::MODE_GRAYSCALE) { return 'rgb(' . ord($c[1]) . ', ' . ord($c[1]) . ', ' . ord($c[1]) . ')'; } if ($c[0] == static::MODE_SPOT) { return 'spot(' . ord($c[1]) . ', ' . ord($c[2]) . ')'; } if ($c[0] == static::MODE_RGB) { return 'rgb(' . ord($c[1]) . ', ' . ord($c[2]) . ', ' . ord($c[3]) . ')'; } if ($c[0] == static::MODE_CMYK) { return 'cmyk(' . ord($c[1]) . ', ' . ord($c[2]) . ', ' . ord($c[3]) . ', ' . ord($c[4]) . ')'; } if ($c[0] == static::MODE_RGBA) { return 'rgba(' . ord($c[1]) . ', ' . ord($c[2]) . ', ' . ord($c[3]) . ', ' . sprintf('%0.2F', ord($c[4]) / 100) . ')'; } if ($c[0] == static::MODE_CMYKA) { return 'cmyka(' . ord($c[1]) . ', ' . ord($c[2]) . ', ' . ord($c[3]) . ', ' . ord($c[4]) . ', ' . sprintf('%0.2F', ord($c[5]) / 100) . ')'; } return ''; } /** * @param string $color * @param string[] $PDFAXwarnings * * @return bool|float[] */ private function convertPlain($color, array &$PDFAXwarnings = []) { $c = false; if (preg_match('/^[\d]+$/', $color)) { $c = [static::MODE_GRAYSCALE, $color]; // i.e. integer only } elseif (strpos($color, '#') === 0) { // case of #nnnnnn or #nnn $c = $this->processHashColor($color); } elseif (preg_match('/(rgba|rgb|device-cmyka|cmyka|device-cmyk|cmyk|hsla|hsl|spot)\((.*?)\)/', $color, $m)) { // quickfix for color containing CSS variable preg_match('/var\(--([a-z-_]+)\)/i', $m[0], $var); if ($var) { $m[2] = '0, 0, 0, 100'; } $c = $this->processModeColor($m[1], explode(',', $m[2])); } if ($this->mpdf->PDFA || $this->mpdf->PDFX || $this->mpdf->restrictColorSpace) { $c = $this->restrictColorSpace($c, $color, $PDFAXwarnings); } return $c; } /** * @param string $color * * @return float[] */ private function processHashColor($color) { // in case of Background: #CCC url() x-repeat etc. $cor = preg_replace('/\s+.*/', '', $color); // Turn #RGB into #RRGGBB if (strlen($cor) === 4) { $cor = '#' . $cor[1] . $cor[1] . $cor[2] . $cor[2] . $cor[3] . $cor[3]; } $r = self::safeHexDec(substr($cor, 1, 2)); $g = self::safeHexDec(substr($cor, 3, 2)); $b = self::safeHexDec(substr($cor, 5, 2)); return [3, $r, $g, $b]; } /** * @param $mode * @param mixed[] $cores * @return bool|float[] */ private function processModeColor($mode, array $cores) { $c = false; $cores = $this->convertPercentCoreValues($mode, $cores); switch ($mode) { case 'rgb': return [static::MODE_RGB, $cores[0], $cores[1], $cores[2]]; case 'rgba': return [static::MODE_RGBA, $cores[0], $cores[1], $cores[2], $cores[3] * 100]; case 'cmyk': case 'device-cmyk': return [static::MODE_CMYK, $cores[0], $cores[1], $cores[2], $cores[3]]; case 'cmyka': case 'device-cmyka': return [static::MODE_CMYKA, $cores[0], $cores[1], $cores[2], $cores[3], $cores[4] * 100]; case 'hsl': $conv = $this->colorModeConverter->hsl2rgb($cores[0] / 360, $cores[1], $cores[2]); return [static::MODE_RGB, $conv[0], $conv[1], $conv[2]]; case 'hsla': $conv = $this->colorModeConverter->hsl2rgb($cores[0] / 360, $cores[1], $cores[2]); return [static::MODE_RGBA, $conv[0], $conv[1], $conv[2], $cores[3] * 100]; case 'spot': $name = strtoupper(trim($cores[0])); if (!isset($this->mpdf->spotColors[$name])) { if (isset($cores[5])) { $this->mpdf->AddSpotColor($cores[0], $cores[2], $cores[3], $cores[4], $cores[5]); } else { throw new \Mpdf\MpdfException(sprintf('Undefined spot color "%s"', $name)); } } return [static::MODE_SPOT, $this->mpdf->spotColors[$name]['i'], $cores[1]]; } return $c; } /** * @param string $mode * @param mixed[] $cores * * @return float[] */ private function convertPercentCoreValues($mode, array $cores) { $ncores = count($cores); if (strpos($cores[0], '%') !== false) { $cores[0] = (float) $cores[0]; if ($mode === 'rgb' || $mode === 'rgba') { $cores[0] = (int) ($cores[0] * 255 / 100); } } if ($ncores > 1 && strpos($cores[1], '%') !== false) { $cores[1] = (float) $cores[1]; if ($mode === 'rgb' || $mode === 'rgba') { $cores[1] = (int) ($cores[1] * 255 / 100); } if ($mode === 'hsl' || $mode === 'hsla') { $cores[1] /= 100; } } if ($ncores > 2 && strpos($cores[2], '%') !== false) { $cores[2] = (float) $cores[2]; if ($mode === 'rgb' || $mode === 'rgba') { $cores[2] = (int) ($cores[2] * 255 / 100); } if ($mode === 'hsl' || $mode === 'hsla') { $cores[2] /= 100; } } if ($ncores > 3 && strpos($cores[3], '%') !== false) { $cores[3] = (float) $cores[3]; } return $cores; } /** * @param mixed $c * @param string $color * @param string[] $PDFAXwarnings * * @return float[] */ private function restrictColorSpace($c, $color, &$PDFAXwarnings = []) { return $this->colorSpaceRestrictor->restrictColorSpace($c, $color, $PDFAXwarnings); } /** * @param string $color Binary color string */ private function ensureBinaryColorFormat($color) { if (!is_string($color)) { throw new \Mpdf\MpdfException('Invalid color input, binary color string expected'); } if (strlen($color) !== 6) { throw new \Mpdf\MpdfException('Invalid color input, binary color string expected'); } if (!in_array($color[0], [static::MODE_GRAYSCALE, static::MODE_SPOT, static::MODE_RGB, static::MODE_CMYK, static::MODE_RGBA, static::MODE_CMYKA])) { throw new \Mpdf\MpdfException('Invalid color input, invalid color mode in binary color string'); } } /** * Converts the given hexString to its decimal representation when all digits are hexadecimal * * @param string $hexString The hexadecimal string to convert * @return float|int The decimal representation of hexString or 0 if not all digits of hexString are hexadecimal */ private function safeHexDec($hexString) { return ctype_xdigit($hexString) ? hexdec($hexString) : 0; } }