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Diffstat (limited to '')
| -rw-r--r-- | library/vendor/dompdf/vendor/sabberworm/php-css-parser/src/Value/Color.php | 166 |
1 files changed, 166 insertions, 0 deletions
diff --git a/library/vendor/dompdf/vendor/sabberworm/php-css-parser/src/Value/Color.php b/library/vendor/dompdf/vendor/sabberworm/php-css-parser/src/Value/Color.php new file mode 100644 index 0000000..8dc5296 --- /dev/null +++ b/library/vendor/dompdf/vendor/sabberworm/php-css-parser/src/Value/Color.php @@ -0,0 +1,166 @@ +<?php + +namespace Sabberworm\CSS\Value; + +use Sabberworm\CSS\OutputFormat; +use Sabberworm\CSS\Parsing\ParserState; +use Sabberworm\CSS\Parsing\UnexpectedEOFException; +use Sabberworm\CSS\Parsing\UnexpectedTokenException; + +class Color extends CSSFunction +{ + /** + * @param array<int, RuleValueList|CSSFunction|CSSString|LineName|Size|URL|string> $aColor + * @param int $iLineNo + */ + public function __construct(array $aColor, $iLineNo = 0) + { + parent::__construct(implode('', array_keys($aColor)), $aColor, ',', $iLineNo); + } + + /** + * @return Color|CSSFunction + * + * @throws UnexpectedEOFException + * @throws UnexpectedTokenException + */ + public static function parse(ParserState $oParserState) + { + $aColor = []; + if ($oParserState->comes('#')) { + $oParserState->consume('#'); + $sValue = $oParserState->parseIdentifier(false); + if ($oParserState->strlen($sValue) === 3) { + $sValue = $sValue[0] . $sValue[0] . $sValue[1] . $sValue[1] . $sValue[2] . $sValue[2]; + } elseif ($oParserState->strlen($sValue) === 4) { + $sValue = $sValue[0] . $sValue[0] . $sValue[1] . $sValue[1] . $sValue[2] . $sValue[2] . $sValue[3] + . $sValue[3]; + } + + if ($oParserState->strlen($sValue) === 8) { + $aColor = [ + 'r' => new Size(intval($sValue[0] . $sValue[1], 16), null, true, $oParserState->currentLine()), + 'g' => new Size(intval($sValue[2] . $sValue[3], 16), null, true, $oParserState->currentLine()), + 'b' => new Size(intval($sValue[4] . $sValue[5], 16), null, true, $oParserState->currentLine()), + 'a' => new Size( + round(self::mapRange(intval($sValue[6] . $sValue[7], 16), 0, 255, 0, 1), 2), + null, + true, + $oParserState->currentLine() + ), + ]; + } else { + $aColor = [ + 'r' => new Size(intval($sValue[0] . $sValue[1], 16), null, true, $oParserState->currentLine()), + 'g' => new Size(intval($sValue[2] . $sValue[3], 16), null, true, $oParserState->currentLine()), + 'b' => new Size(intval($sValue[4] . $sValue[5], 16), null, true, $oParserState->currentLine()), + ]; + } + } else { + $sColorMode = $oParserState->parseIdentifier(true); + $oParserState->consumeWhiteSpace(); + $oParserState->consume('('); + + $bContainsVar = false; + $iLength = $oParserState->strlen($sColorMode); + for ($i = 0; $i < $iLength; ++$i) { + $oParserState->consumeWhiteSpace(); + if ($oParserState->comes('var')) { + $aColor[$sColorMode[$i]] = CSSFunction::parseIdentifierOrFunction($oParserState); + $bContainsVar = true; + } else { + $aColor[$sColorMode[$i]] = Size::parse($oParserState, true); + } + + if ($bContainsVar && $oParserState->comes(')')) { + // With a var argument the function can have fewer arguments + break; + } + + $oParserState->consumeWhiteSpace(); + if ($i < ($iLength - 1)) { + $oParserState->consume(','); + } + } + $oParserState->consume(')'); + + if ($bContainsVar) { + return new CSSFunction($sColorMode, array_values($aColor), ',', $oParserState->currentLine()); + } + } + return new Color($aColor, $oParserState->currentLine()); + } + + /** + * @param float $fVal + * @param float $fFromMin + * @param float $fFromMax + * @param float $fToMin + * @param float $fToMax + * + * @return float + */ + private static function mapRange($fVal, $fFromMin, $fFromMax, $fToMin, $fToMax) + { + $fFromRange = $fFromMax - $fFromMin; + $fToRange = $fToMax - $fToMin; + $fMultiplier = $fToRange / $fFromRange; + $fNewVal = $fVal - $fFromMin; + $fNewVal *= $fMultiplier; + return $fNewVal + $fToMin; + } + + /** + * @return array<int, RuleValueList|CSSFunction|CSSString|LineName|Size|URL|string> + */ + public function getColor() + { + return $this->aComponents; + } + + /** + * @param array<int, RuleValueList|CSSFunction|CSSString|LineName|Size|URL|string> $aColor + * + * @return void + */ + public function setColor(array $aColor) + { + $this->setName(implode('', array_keys($aColor))); + $this->aComponents = $aColor; + } + + /** + * @return string + */ + public function getColorDescription() + { + return $this->getName(); + } + + /** + * @return string + */ + public function __toString() + { + return $this->render(new OutputFormat()); + } + + /** + * @return string + */ + public function render(OutputFormat $oOutputFormat) + { + // Shorthand RGB color values + if ($oOutputFormat->getRGBHashNotation() && implode('', array_keys($this->aComponents)) === 'rgb') { + $sResult = sprintf( + '%02x%02x%02x', + $this->aComponents['r']->getSize(), + $this->aComponents['g']->getSize(), + $this->aComponents['b']->getSize() + ); + return '#' . (($sResult[0] == $sResult[1]) && ($sResult[2] == $sResult[3]) && ($sResult[4] == $sResult[5]) + ? "$sResult[0]$sResult[2]$sResult[4]" : $sResult); + } + return parent::render($oOutputFormat); + } +} |