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<?php |
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// TODO: Quality option |
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namespace WebPConvert\Convert\Converters; |
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use WebPConvert\Convert\BaseConverters\AbstractConverter; |
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use WebPConvert\Convert\Exceptions\ConversionFailed\InvalidInput\ConverterNotFoundException; |
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use WebPConvert\Convert\Exceptions\ConversionFailedException; |
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use WebPConvert\Convert\Exceptions\ConversionFailed\ConverterNotOperationalException; |
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use WebPConvert\Convert\Exceptions\ConversionFailed\ConverterNotOperational\SystemRequirementsNotMetException; |
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use WebPConvert\Convert\Exceptions\ConversionFailed\ConversionSkippedException; |
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//use WebPConvert\Convert\Exceptions\ConversionFailed\InvalidInput\TargetNotFoundException; |
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/** |
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* Convert images to webp by trying a stack of converters until success. |
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* |
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* @package WebPConvert |
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* @author Bjørn Rosell <[email protected]> |
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* @since Class available since Release 2.0.0 |
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*/ |
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class Stack extends AbstractConverter |
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{ |
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protected $processLosslessAuto = false; |
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protected $supportsLossless = true; |
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protected function getOptionDefinitionsExtra() |
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{ |
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return [ |
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['converters', 'array', ['cwebp', 'vips', 'gd', 'imagick', 'gmagick', 'imagickbinary'], true], |
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]; |
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} |
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public static $availableConverters = ['cwebp', 'gd', 'imagick', 'gmagick', 'imagickbinary', 'wpc', 'ewww']; |
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public static $localConverters = ['cwebp', 'gd', 'imagick', 'gmagick', 'imagickbinary']; |
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public static function converterIdToClassname($converterId) |
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{ |
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switch ($converterId) { |
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case 'imagickbinary': |
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$classNameShort = 'ImagickBinary'; |
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break; |
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default: |
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$classNameShort = ucfirst($converterId); |
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} |
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$className = 'WebPConvert\\Convert\\Converters\\' . $classNameShort; |
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if (is_callable([$className, 'convert'])) { |
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return $className; |
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} else { |
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throw new ConverterNotFoundException('There is no converter with id:' . $converterId); |
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} |
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} |
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public static function getClassNameOfConverter($converterId) |
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{ |
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if (strtolower($converterId) == $converterId) { |
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return self::converterIdToClassname($converterId); |
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} |
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$className = $converterId; |
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if (!is_callable([$className, 'convert'])) { |
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throw new ConverterNotFoundException('There is no converter with class name:' . $className); |
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} |
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return $className; |
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} |
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/** |
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* Check (general) operationality of imagack converter executable |
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* |
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* @throws SystemRequirementsNotMetException if system requirements are not met |
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*/ |
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public function checkOperationality() |
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{ |
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if (count($this->options['converters']) == 0) { |
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throw new ConverterNotOperationalException( |
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'Converter stack is empty! - no converters to try, no conversion can be made!' |
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); |
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} |
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// TODO: We should test if all converters are found in order to detect problems early |
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$this->logLn('Stack converter ignited'); |
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} |
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protected function doActualConvert() |
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{ |
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$options = $this->options; |
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$beginTimeStack = microtime(true); |
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// If we have set converter options for a converter, which is not in the converter array, |
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// then we add it to the array |
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/* |
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if (isset($options['converter-options'])) { |
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foreach ($options['converter-options'] as $converterName => $converterOptions) { |
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if (!in_array($converterName, $options['converters'])) { |
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$options['converters'][] = $converterName; |
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} |
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} |
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}*/ |
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//$this->logLn('converters: ' . print_r($options['converters'], true)); |
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$defaultConverterOptions = $options; |
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unset($defaultConverterOptions['converters']); |
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unset($defaultConverterOptions['converter-options']); |
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$defaultConverterOptions['_skip_input_check'] = true; |
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$defaultConverterOptions['_suppress_success_message'] = true; |
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$anyRuntimeErrors = false; |
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foreach ($options['converters'] as $converter) { |
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if (is_array($converter)) { |
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$converterId = $converter['converter']; |
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$converterOptions = $converter['options']; |
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} else { |
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$converterId = $converter; |
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$converterOptions = []; |
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if (isset($options['converter-options'][$converterId])) { |
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// Note: right now, converter-options are not meant to be used, |
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// when you have several converters of the same type |
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$converterOptions = $options['converter-options'][$converterId]; |
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} |
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} |
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$converterOptions = array_merge($defaultConverterOptions, $converterOptions); |
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$beginTime = microtime(true); |
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$className = self::getClassNameOfConverter($converterId); |
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try { |
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$converterDisplayName = call_user_func( |
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[$className, 'getConverterDisplayName'] |
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); |
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} catch (\Exception $e) { |
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// TODO: handle failure better than this |
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$converterDisplayName = 'Untitled converter'; |
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} |
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try { |
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$this->ln(); |
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$this->logLn('Trying: ' . $converterId, 'italic'); |
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call_user_func( |
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[$className, 'convert'], |
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$this->source, |
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$this->destination, |
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$converterOptions, |
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$this->logger |
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); |
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//self::runConverterWithTiming($converterId, $source, $destination, $converterOptions, false, $logger); |
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$this->logLn($converterDisplayName . ' succeeded :)'); |
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return; |
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} catch (ConverterNotOperationalException $e) { |
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$this->logLn($e->getMessage()); |
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} catch (ConversionFailedException $e) { |
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$this->logLn($e->getMessage(), 'italic'); |
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$prev = $e->getPrevious(); |
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if (!is_null($prev)) { |
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$this->logLn($prev->getMessage(), 'italic'); |
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$this->logLn(' in ' . $prev->getFile() . ', line ' . $prev->getLine(), 'italic'); |
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$this->ln(); |
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} |
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//$this->logLn($e->getTraceAsString()); |
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$anyRuntimeErrors = true; |
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} catch (ConversionSkippedException $e) { |
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$this->logLn($e->getMessage()); |
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} |
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$this->logLn($converterDisplayName . ' failed in ' . round((microtime(true) - $beginTime) * 1000) . ' ms'); |
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} |
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$this->ln(); |
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$this->logLn('Stack failed in ' . round((microtime(true) - $beginTimeStack) * 1000) . ' ms'); |
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if ($anyRuntimeErrors) { |
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// At least one converter failed |
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throw new ConversionFailedException( |
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'None of the converters in the stack could convert the image. ' . |
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'At least one failed, even though its requirements seemed to be met.' |
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); |
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} else { |
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// All converters threw a SystemRequirementsNotMetException |
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throw new ConverterNotOperationalException('None of the converters in the stack are operational'); |
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} |
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} |
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} |
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rosell-dk /
webp-convert
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