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<?php |
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namespace nstdio\svg\util\transform; |
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/** |
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* Class Transform |
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* |
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* @package nstdio\svg\util |
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* @author Edgar Asatryan <[email protected]> |
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*/ |
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final class Transform implements TransformInterface |
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{ |
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private $trans; |
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private $data; |
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private $sequence; |
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private $argDelimiter = TransformInterface::TRANSFORM_ARG_DELIM_SPACE; |
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/** |
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* @var PackerInterface |
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*/ |
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private $packer; |
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private function __construct() |
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{ |
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} |
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/** |
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* Use this method to instantiate Transform class. |
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* |
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* @param null|string $transformString |
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* |
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* @param null|TransformMatcherInterface $matcher |
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* |
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* @param PackerInterface $packer |
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* |
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* @return Transform |
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*/ |
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public static function newInstance($transformString = null, TransformMatcherInterface $matcher = null, |
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PackerInterface $packer = null) |
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{ |
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$instance = new Transform(); |
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$matcherImpl = $matcher === null ? new TransformMatcher() : $matcher; |
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$instance->packer = $packer === null ? new Packer() : $packer; |
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$instance->trans = $transformString === null ? '' : $transformString; |
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$instance->sequence = $matcherImpl->makeSequence($transformString); |
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foreach ($instance->sequence as $value) { |
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$method = 'match' . ucfirst($value); |
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$instance->data[][$value] = $matcherImpl->$method($transformString); |
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} |
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return $instance; |
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} |
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/** |
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* @inheritdoc |
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*/ |
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public function result() |
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{ |
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return $this->trans; |
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} |
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/** |
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* @inheritdoc |
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*/ |
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public function setArgumentDelimiter($delim) |
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{ |
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if ($delim !== TransformInterface::TRANSFORM_ARG_DELIM_COMMA && |
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$delim !== TransformInterface::TRANSFORM_ARG_DELIM_COMMA_SPACE && |
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$delim !== TransformInterface::TRANSFORM_ARG_DELIM_SPACE |
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) { |
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throw new \InvalidArgumentException("Invalid delimiter. See TransformInterface::setArgumentDelimiter documentation for valid value."); |
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} |
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$this->argDelimiter = $delim; |
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} |
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/** |
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* @inheritdoc |
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*/ |
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public function rotate($angle, $cx = null, $cy = null) |
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{ |
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if ($cx !== null && $cy === null) { |
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$cy = $cx; |
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} |
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if ($cy !== null && $cx === null) { |
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$cx = $cy; |
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} |
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return $this->shortcutBuild('rotate', [floatval($angle), $cx, $cy]); |
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} |
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private function shortcutBuild($transform, $data) |
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{ |
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$this->sequence[] = $transform; |
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foreach ($data as $key => $item) { |
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if ($item !== null && !is_float($item) && !is_int($item)) { |
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$data[$key] = floatval($item); |
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} |
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} |
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$this->data[][$transform] = $data; |
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return $this->buildTransformString(); |
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} |
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private function buildTransformString() |
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{ |
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$ret = ''; |
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foreach ($this->data as $key => $data) { |
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$transform = array_keys($data)[0]; |
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$ret .= $transform . "(" . rtrim(implode($this->argDelimiter, $data[$transform])) . ") "; |
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} |
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$this->trans = rtrim($ret); |
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return $this->trans; |
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} |
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/** |
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* @inheritdoc |
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*/ |
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public function translate($x, $y = null) |
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{ |
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return $this->shortcutBuild('translate', [$x, $y]); |
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} |
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/** |
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* @inheritdoc |
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*/ |
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public function scale($x, $y = null) |
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{ |
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return $this->shortcutBuild('scale', [floatval($x), $y]); |
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} |
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/** |
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* @inheritdoc |
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*/ |
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public function skewX($x) |
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{ |
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return $this->shortcutBuild('skewX', [$x]); |
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} |
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/** |
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* @inheritdoc |
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*/ |
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public function skewY($y) |
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{ |
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return $this->shortcutBuild('skewY', [$y]); |
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} |
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/** |
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* @inheritdoc |
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*/ |
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public function matrix(array $matrix) |
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{ |
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if (count($matrix) !== 6) { |
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throw new \InvalidArgumentException("Invalid matrix size. You must provide en array with 6 elements. " . count($matrix) . " elements given."); |
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} |
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return $this->shortcutBuild('matrix', $matrix); |
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} |
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/** |
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* @return array |
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*/ |
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public function getData() |
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{ |
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return $this->data; |
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} |
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/** |
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* @inheritdoc |
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*/ |
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public function compact() |
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{ |
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$this->data = $this->packer->pack($this->data); |
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return $this->buildTransformString(); |
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} |
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/** |
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* Converts all transformations to matrix. |
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* |
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* @return string The converted to matrix string transformation. |
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*/ |
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public function toMatrix() |
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{ |
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$this->data = $this->packer->toMatrix($this->data); |
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return $this->buildTransformString(); |
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} |
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} |
This check looks for
@param
annotations where the type inferred by our type inference engine differs from the declared type.It makes a suggestion as to what type it considers more descriptive.
Most often this is a case of a parameter that can be null in addition to its declared types.