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<?php |
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|
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namespace WebPConvert\Convert\Converters; |
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|
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use WebPConvert\Convert\ConverterFactory; |
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use WebPConvert\Convert\Converters\AbstractConverter; |
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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\Options\OptionFactory; |
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|
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//use WebPConvert\Convert\Exceptions\ConversionFailed\InvalidInput\TargetNotFoundException; |
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|
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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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|
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protected function getUnsupportedDefaultOptions() |
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{ |
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return [ |
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'alpha-quality', |
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'auto-filter', |
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'encoding', |
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'low-memory', |
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'metadata', |
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'method', |
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'near-lossless', |
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'preset', |
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'sharp-yuv', |
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'size-in-percentage', |
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'skip', |
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'default-quality', |
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'quality', |
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'max-quality', |
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]; |
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} |
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|
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public function getUniqueOptions($imageType) |
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{ |
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return OptionFactory::createOptions([ |
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['converters', 'array', [ |
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'title' => 'Converters', |
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'description' => 'Converters to try, ordered by priority.', |
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'default' => self::getAvailableConverters(), |
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'sensitive' => true, |
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'ui' => [ |
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'component' => 'multi-select', |
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'options' => self::getAvailableConverters(), |
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'advanced' => true |
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] |
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]], |
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['converter-options', 'array', [ |
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'title' => 'Converter options', |
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'description' => |
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'Extra options for specific converters.', |
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'default' => [], |
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'sensitive' => true, |
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'ui' => null |
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]], |
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['preferred-converters', 'array', [ |
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'title' => 'Preferred converters', |
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'description' => |
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'With this option you can move specified converters to the top of the stack. ' . |
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'The converters are specified by id.', |
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'default' => [], |
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'ui' => null |
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]], |
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['extra-converters', 'array', [ |
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'title' => 'Extra converters', |
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'description' => |
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'Add extra converters to the bottom of the stack', |
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'default' => [], |
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'sensitive' => true, |
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'ui' => null |
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]], |
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['shuffle', 'boolean', [ |
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'title' => 'Shuffle', |
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'description' => |
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'Shuffles the converter order on each conversion. ' . |
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'Can for example be used to spread out requests on multiple cloud converters', |
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'default' => false, |
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'ui' => [ |
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'component' => 'checkbox', |
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'advanced' => true |
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] |
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]], |
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]); |
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|
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|
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/* |
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return [ |
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new SensitiveArrayOption('converters', self::getAvailableConverters()), |
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new SensitiveArrayOption('converter-options', []), |
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new BooleanOption('shuffle', false), |
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new ArrayOption('preferred-converters', []), |
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new SensitiveArrayOption('extra-converters', []) |
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];*/ |
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} |
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|
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/** |
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* Get available converters (ids) - ordered by awesomeness. |
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* |
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* @return array An array of ids of converters that comes with this library |
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*/ |
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public static function getAvailableConverters() |
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{ |
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return [ |
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'cwebp', 'vips', 'imagick', 'gmagick', 'imagemagick', 'graphicsmagick', 'wpc', 'ffmpeg', 'ewww', 'gd' |
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]; |
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} |
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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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|
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// TODO: We should test if all converters are found in order to detect problems early |
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|
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//$this->logLn('Stack converter ignited'); |
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} |
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|
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protected function doActualConvert() |
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{ |
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$options = $this->options; |
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|
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$beginTimeStack = microtime(true); |
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|
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$anyRuntimeErrors = false; |
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|
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$converters = $options['converters']; |
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if (count($options['extra-converters']) > 0) { |
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$converters = array_merge($converters, $options['extra-converters']); |
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/*foreach ($options['extra-converters'] as $extra) { |
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$converters[] = $extra; |
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}*/ |
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} |
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|
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// preferred-converters |
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if (count($options['preferred-converters']) > 0) { |
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foreach (array_reverse($options['preferred-converters']) as $prioritizedConverter) { |
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foreach ($converters as $i => $converter) { |
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if (is_array($converter)) { |
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$converterId = $converter['converter']; |
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} else { |
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$converterId = $converter; |
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} |
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if ($converterId == $prioritizedConverter) { |
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unset($converters[$i]); |
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array_unshift($converters, $converter); |
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break; |
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} |
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} |
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} |
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// perhaps write the order to the log? (without options) - but this requires some effort |
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} |
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|
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// shuffle |
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if ($options['shuffle']) { |
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shuffle($converters); |
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} |
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|
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//$this->logLn(print_r($converters)); |
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//$options['converters'] = $converters; |
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//$defaultConverterOptions = $options; |
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$defaultConverterOptions = []; |
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|
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foreach ($this->options2->getOptionsMap() as $id => $option) { |
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// Right here, there used to be a check that ensured that unknown options was not passed down to the |
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// converters (" && !($option instanceof GhostOption)"). But well, as the Stack doesn't know about |
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// converter specific options, such as "try-cwebp", these was not passed down (see #259) |
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// I'm not sure why the check was made in the first place, but it does not seem neccessary, as the |
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// converters simply ignore unknown options. So the check has now been removed. |
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if ($option->isValueExplicitlySet()) { |
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$defaultConverterOptions[$id] = $option->getValue(); |
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} |
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} |
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|
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//unset($defaultConverterOptions['converters']); |
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//unset($defaultConverterOptions['converter-options']); |
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$defaultConverterOptions['_skip_input_check'] = true; |
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$defaultConverterOptions['_suppress_success_message'] = true; |
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unset($defaultConverterOptions['converters']); |
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unset($defaultConverterOptions['extra-converters']); |
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unset($defaultConverterOptions['converter-options']); |
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unset($defaultConverterOptions['preferred-converters']); |
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unset($defaultConverterOptions['shuffle']); |
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|
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// $this->logLn('converters: ' . print_r($converters, true)); |
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|
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//return; |
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foreach ($converters as $converter) { |
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if (is_array($converter)) { |
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$converterId = $converter['converter']; |
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$converterOptions = isset($converter['options']) ? $converter['options'] : []; |
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} else { |
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$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, $converterOptions); |
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/* |
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if ($converterId != 'stack') { |
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//unset($converterOptions['converters']); |
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//unset($converterOptions['converter-options']); |
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} else { |
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//$converterOptions['converter-options'] = |
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$this->logLn('STACK'); |
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$this->logLn('converterOptions: ' . print_r($converterOptions, true)); |
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}*/ |
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|
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$beginTime = microtime(true); |
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|
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$this->ln(); |
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$this->logLn($converterId . ' converter ignited', 'bold'); |
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|
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$converter = ConverterFactory::makeConverter( |
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$converterId, |
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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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|
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try { |
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$converter->doConvert(); |
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|
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//self::runConverterWithTiming($converterId, $source, $destination, $converterOptions, false, $logger); |
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|
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$this->logLn($converterId . ' succeeded :)'); |
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//throw new ConverterNotOperationalException('...'); |
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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 (ConversionSkippedException $e) { |
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$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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$anyRuntimeErrors = true; |
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} |
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$this->logLn($converterId . ' failed in ' . round((microtime(true) - $beginTime) * 1000) . ' ms'); |
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} |
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|
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$this->ln(); |
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$this->logLn('Stack failed in ' . round((microtime(true) - $beginTimeStack) * 1000) . ' ms'); |
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|
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// Hm, Scrutinizer complains that $anyRuntimeErrors is always false. But that is not true! |
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if ($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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); |
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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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|
