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<?php |
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namespace nstdio\svg\util; |
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/** |
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* Class TransformMatcher |
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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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class TransformMatcher implements TransformMatcherInterface |
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{ |
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const ROTATE_PATTERN = "/rotate\s*\(\s*(?<a>[+-]?\d+(?:\.\d+)?)((?:\s{1,}\,?\s*|\,\s*)(?<x>[+-]?\d+(?:\.\d+)?)(?:\s{1,}\,?\s*|\,\s*)(?<y>[+-]?\d+(?:\.\d+)?))?\s*\)/"; |
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const TRANSLATE_PATTERN = "/translate\s*\(\s*(?<x>[+-]?\d+(?:\.\d+)?)((?:\s{1,}\,?\s*|\,\s*)(?<y>[+-]?\d+(?:\.\d+)?))?\)/"; |
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const SCALE_PATTERN = "/scale\s*\(\s*(?<x>[+-]?\d+(?:\.\d+)?)((?:\s{1,}\,?\s*|\,\s*)(?<y>[+-]?\d+(?:\.\d+)?))?\)/"; |
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const SKEWX_PATTERN = "/skewX\s*\(\s*(?<x>[+-]?\d+(?:\.\d+)?)?\)/"; |
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const SKEWY_PATTERN = "/skewY\s*\(\s*(?<y>[+-]?\d+(?:\.\d+)?)?\)/"; |
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const MATRIX_PATTERN = "/matrix\s*\(\s*((([+-]?\d+(?:\.\d+)?)(?:\s+,?\s*|,\s*)){5}([+-]?\d+(?:\.\d+)?)\s*)\)/"; |
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public function makeSequence($transform) |
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{ |
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preg_match_all("/\s*(matrix|translate|scale|rotate|skew[XY])/i", $transform, $matches); |
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return $matches[1]; |
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} |
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public function matchRotate($transform) |
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{ |
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return $this->matchPattern(self::ROTATE_PATTERN, $transform, ['a', 'x', 'y']); |
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} |
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public function matchSkewX($transform) |
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{ |
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return $this->matchPattern(self::SKEWX_PATTERN, $transform, ['x']); |
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} |
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public function matchSkewY($transform) |
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{ |
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return $this->matchPattern(self::SKEWY_PATTERN, $transform, ['y']); |
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} |
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public function matchScale($transform) |
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{ |
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return $this->matchPattern(self::SCALE_PATTERN, $transform, ['x', 'y']); |
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} |
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public function matchTranslate($transform) |
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{ |
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return $this->matchPattern(self::TRANSLATE_PATTERN, $transform, ['x', 'y']); |
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} |
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public function matchMatrix($transform) |
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{ |
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preg_match(self::MATRIX_PATTERN, $transform, $matches); |
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if (isset($matches[1]) === false) { |
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throw new \InvalidArgumentException("Cannot match matrix transformation."); |
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} |
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$matrix = explode(' ', preg_replace(['/\s+/', '/\,+/'], [' ', ''], $matches[1]), 6); |
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return $matrix; |
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} |
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private function matchPattern($pattern, $transform, $named) |
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{ |
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preg_match($pattern, $transform, $matches); |
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$ret = []; |
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foreach ($named as $value) { |
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$ret[] = isset($matches[$value]) ? $matches[$value] : null; |
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} |
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return $ret; |
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} |
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} |
nstdio /
SVGMagick
