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<?php
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namespace FluidTYPO3\Vhs\ViewHelpers\Media\Image;
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/*
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* This file is part of the FluidTYPO3/Vhs project under GPLv2 or later.
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*
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* For the full copyright and license information, please read the
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* LICENSE.md file that was distributed with this source code.
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*/
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use FluidTYPO3\Vhs\Utility\ResourceUtility;
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use TYPO3\CMS\Core\Utility\GeneralUtility;
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use TYPO3\CMS\Fluid\Core\ViewHelper\AbstractViewHelper;
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use TYPO3\CMS\Fluid\Core\ViewHelper\Exception;
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/**
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* Base class: Media\Image view helpers
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*
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* @author Björn Fromme <fromme@dreipunktnull.com>, dreipunktnull
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* @package Vhs
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* @subpackage ViewHelpers\Media\Image
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*/
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abstract class AbstractImageInfoViewHelper extends AbstractViewHelper {
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/**
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* @var \TYPO3\CMS\Core\Resource\ResourceFactory
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*/
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protected $resourceFactory;
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/**
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* Construct resource factory
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*/
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public function __construct() {
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$this->resourceFactory = GeneralUtility::makeInstance('TYPO3\\CMS\\Core\\Resource\\ResourceFactory');
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}
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/**
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* Initialize arguments.
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*
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* @return void
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* @api
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*/
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public function initializeArguments() {
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$this->registerArgument('src', 'string', 'Path to or id of the image file to determine info for.', TRUE);
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$this->registerArgument('treatIdAsUid', 'boolean', 'If TRUE, the path argument is treated as a resource uid.', FALSE, FALSE);
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$this->registerArgument('treatIdAsReference', 'boolean', 'If TRUE, the path argument is treated as a reference uid and will be resolved to a resource via sys_file_reference.', FALSE, FALSE);
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}
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/**
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* @throws Exception
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* @return array
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*/
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public function getInfo() {
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$src = $this->arguments['src'];
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$treatIdAsUid = (boolean) $this->arguments['treatIdAsUid'];
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$treatIdAsReference = (boolean) $this->arguments['treatIdAsReference'];
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if (NULL === $src) {
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$src = $this->renderChildren();
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if (NULL === $src) {
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return array();
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}
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}
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if (TRUE === $treatIdAsUid || TRUE === $treatIdAsReference) {
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$id = (integer) $src;
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$info = array();
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if (TRUE === $treatIdAsUid) {
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$info = $this->getInfoByUid($id);
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} elseif (TRUE === $treatIdAsReference) {
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$info = $this->getInfoByReference($id);
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}
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} else {
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$file = GeneralUtility::getFileAbsFileName($src);
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if (FALSE === file_exists($file) || TRUE === is_dir($file)) {
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throw new Exception('Cannot determine info for "' . $file . '". File does not exist or is a directory.', 1357066532);
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}
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$imageSize = getimagesize($file);
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$info = array(
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'width' => $imageSize[0],
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'height' => $imageSize[1],
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'type' => $imageSize['mime'],
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);
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}
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return $info;
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}
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/**
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* @param integer $id
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* @return array
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*/
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public function getInfoByReference($id) {
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$fileReference = $this->resourceFactory->getFileReferenceObject($id);
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$file = $fileReference->getOriginalFile();
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return ResourceUtility::getFileArray($file);
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}
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/**
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* @param integer $uid
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* @return array
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*/
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public function getInfoByUid($uid) {
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$file = $this->resourceFactory->getFileObject($uid);
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return ResourceUtility::getFileArray($file);
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}
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}
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<?php
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namespace FluidTYPO3\Vhs\ViewHelpers\Media\Image;
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/*
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* This file is part of the FluidTYPO3/Vhs project under GPLv2 or later.
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*
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* For the full copyright and license information, please read the
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* LICENSE.md file that was distributed with this source code.
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*/
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use FluidTYPO3\Vhs\ViewHelpers\Media\AbstractMediaViewHelper;
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use TYPO3\CMS\Core\Imaging\GraphicalFunctions;
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use TYPO3\CMS\Core\Utility\GeneralUtility;
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use TYPO3\CMS\Core\Utility\MathUtility;
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use TYPO3\CMS\Extbase\Configuration\ConfigurationManagerInterface;
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use TYPO3\CMS\Fluid\Core\ViewHelper\Exception;
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/**
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* Base class for image related view helpers adapted from FLUID
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* original image viewhelper.
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*
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* @author Björn Fromme <fromme@dreipunktnull.com>, dreipunktnull
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* @package Vhs
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* @subpackage ViewHelpers\Media
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*/
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abstract class AbstractImageViewHelper extends AbstractMediaViewHelper {
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/**
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* @var \TYPO3\CMS\Frontend\Controller\TypoScriptFrontendController contains a backup of the current $GLOBALS['TSFE'] if used in BE mode
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*/
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protected $tsfeBackup;
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/**
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* @var string
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*/
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protected $workingDirectoryBackup;
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/**
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* @var \TYPO3\CMS\Frontend\ContentObject\ContentObjectRenderer
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*/
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protected $contentObject;
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/**
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* @var ConfigurationManagerInterface
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*/
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protected $configurationManager;
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/**
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* Result of \TYPO3\CMS\Frontend\ContentObject\ContentObjectRenderer::getImgResource()
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* @var array
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*/
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protected $imageInfo;
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/**
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* @param ConfigurationManagerInterface $configurationManager
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* @return void
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*/
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public function injectConfigurationManager(ConfigurationManagerInterface $configurationManager) {
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$this->configurationManager = $configurationManager;
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$this->contentObject = $this->configurationManager->getContentObject();
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}
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/**
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* Initialize arguments.
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*
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* @return void
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* @api
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*/
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public function initializeArguments() {
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parent::initializeArguments();
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$this->registerArgument('width', 'string', 'Width of the image. This can be a numeric value representing the fixed width of the image in pixels. But you can also perform simple calculations by adding "m" or "c" to the value. See imgResource.width for possible options.', FALSE);
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$this->registerArgument('height', 'string', 'Height of the image. This can be a numeric value representing the fixed height of the image in pixels. But you can also perform simple calculations by adding "m" or "c" to the value. See imgResource.width for possible options.', FALSE);
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$this->registerArgument('maxW', 'integer', 'Maximum Width of the image. (no upscaling)', FALSE);
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$this->registerArgument('maxH', 'integer', 'Maximum Height of the image. (no upscaling)', FALSE);
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$this->registerArgument('minW', 'integer', 'Minimum Width of the image.', FALSE);
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$this->registerArgument('minH', 'integer', 'Minimum Height of the image.', FALSE);
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$this->registerArgument('format', 'string', 'Format of the processed file - also determines the target file format. If blank, TYPO3/IM/GM default is taken into account.', FALSE, NULL);
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$this->registerArgument('quality', 'integer', 'Quality of the processed image. If blank/not present falls back to the default quality defined in install tool.', FALSE, NULL);
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$this->registerArgument('treatIdAsReference', 'boolean', 'When TRUE treat given src argument as sys_file_reference record. Applies only to TYPO3 6.x and above.', FALSE, FALSE);
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}
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/**
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* @throws Exception
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*/
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public function preprocessImage() {
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$src = $this->arguments['src'];
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$width = $this->arguments['width'];
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$height = $this->arguments['height'];
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$minW = $this->arguments['minW'];
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$minH = $this->arguments['minH'];
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$maxW = $this->arguments['maxW'];
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$maxH = $this->arguments['maxH'];
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$format = $this->arguments['format'];
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$quality = $this->arguments['quality'];
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$treatIdAsReference = (boolean) $this->arguments['treatIdAsReference'];
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if ('BE' === TYPO3_MODE) {
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$this->simulateFrontendEnvironment();
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}
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$setup = array(
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'width' => $width,
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'height' => $height,
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'minW' => $minW,
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'minH' => $minH,
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'maxW' => $maxW,
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'maxH' => $maxH,
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'treatIdAsReference' => $treatIdAsReference,
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);
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if (FALSE === empty($format)) {
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$setup['ext'] = $format;
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}
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if (0 < intval($quality)) {
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$quality = MathUtility::forceIntegerInRange($quality, 10, 100, 75);
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$setup['params'] = '-quality ' . $quality;
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}
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if ('BE' === TYPO3_MODE && '../' === substr($src, 0, 3)) {
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$src = substr($src, 3);
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}
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$this->imageInfo = $this->contentObject->getImgResource($src, $setup);
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$GLOBALS['TSFE']->lastImageInfo = $this->imageInfo;
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if (FALSE === is_array($this->imageInfo)) {
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throw new Exception('Could not get image resource for "' . htmlspecialchars($src) . '".', 1253191060);
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}
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if ((float) substr(TYPO3_version, 0, 3) < 7.1) {
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$this->imageInfo[3] = GeneralUtility::png_to_gif_by_imagemagick($this->imageInfo[3]);
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} else {
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$this->imageInfo[3] = GraphicalFunctions::pngToGifByImagemagick($this->imageInfo[3]);
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}
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$GLOBALS['TSFE']->imagesOnPage[] = $this->imageInfo[3];
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$publicUrl = rawurldecode($this->imageInfo[3]);
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$this->mediaSource = GeneralUtility::rawUrlEncodeFP($publicUrl);
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if ('BE' === TYPO3_MODE) {
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$this->resetFrontendEnvironment();
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}
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}
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/**
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* Prepares $GLOBALS['TSFE'] for Backend mode
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* This somewhat hacky work around is currently needed because the
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* getImgResource() function of \TYPO3\CMS\Frontend\ContentObject\ContentObjectRenderer
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* relies on those variables to be set
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*
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* @return void
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*/
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protected function simulateFrontendEnvironment() {
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$this->tsfeBackup = TRUE === isset($GLOBALS['TSFE']) ? $GLOBALS['TSFE'] : NULL;
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$this->workingDirectoryBackup = getcwd();
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chdir(constant('PATH_site'));
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$typoScriptSetup = $this->configurationManager->getConfiguration(ConfigurationManagerInterface::CONFIGURATION_TYPE_FULL_TYPOSCRIPT);
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$GLOBALS['TSFE'] = new \stdClass();
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$template = GeneralUtility::makeInstance('TYPO3\\CMS\\Core\\TypoScript\\TemplateService');
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$template->tt_track = 0;
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$template->init();
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$template->getFileName_backPath = constant('PATH_site');
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$GLOBALS['TSFE']->tmpl = $template;
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$GLOBALS['TSFE']->tmpl->setup = $typoScriptSetup;
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$GLOBALS['TSFE']->config = $typoScriptSetup;
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}
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/**
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* Resets $GLOBALS['TSFE'] if it was previously changed
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* by simulateFrontendEnvironment()
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*
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* @return void
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* @see simulateFrontendEnvironment()
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*/
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protected function resetFrontendEnvironment() {
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$GLOBALS['TSFE'] = $this->tsfeBackup;
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chdir($this->workingDirectoryBackup);
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}
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}
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@@ -0,0 +1,28 @@
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<?php
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namespace FluidTYPO3\Vhs\ViewHelpers\Media\Image;
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/*
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* This file is part of the FluidTYPO3/Vhs project under GPLv2 or later.
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*
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* For the full copyright and license information, please read the
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* LICENSE.md file that was distributed with this source code.
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*/
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/**
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* Returns the height of the provided image file in pixels
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*
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* @author Björn Fromme <fromme@dreipunktnull.com>, dreipunktnull
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* @package Vhs
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* @subpackage ViewHelpers\Media\Image
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*/
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class HeightViewHelper extends AbstractImageInfoViewHelper {
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/**
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* @return int
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*/
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public function render() {
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$info = $this->getInfo();
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return (TRUE === isset($info['height']) ? $info['height'] : 0);
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}
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}
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@@ -0,0 +1,28 @@
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<?php
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namespace FluidTYPO3\Vhs\ViewHelpers\Media\Image;
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/*
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* This file is part of the FluidTYPO3/Vhs project under GPLv2 or later.
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*
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* For the full copyright and license information, please read the
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* LICENSE.md file that was distributed with this source code.
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*/
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/**
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* Returns the mimetype of the provided image file
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*
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* @author Björn Fromme <fromme@dreipunktnull.com>, dreipunktnull
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* @package Vhs
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* @subpackage ViewHelpers\Media\Image
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*/
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class MimetypeViewHelper extends AbstractImageInfoViewHelper {
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/**
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* @return string
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*/
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public function render() {
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$info = $this->getInfo();
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return TRUE === isset($info['type']) ? $info['type'] : '';
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}
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}
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@@ -0,0 +1,28 @@
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<?php
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namespace FluidTYPO3\Vhs\ViewHelpers\Media\Image;
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/*
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* This file is part of the FluidTYPO3/Vhs project under GPLv2 or later.
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*
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* For the full copyright and license information, please read the
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* LICENSE.md file that was distributed with this source code.
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*/
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/**
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* Returns the width of the provided image file in pixels
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*
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* @author Björn Fromme <fromme@dreipunktnull.com>, dreipunktnull
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* @package Vhs
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* @subpackage ViewHelpers\Media\Image
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*/
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class WidthViewHelper extends AbstractImageInfoViewHelper {
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/**
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* @return int
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*/
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public function render() {
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$info = $this->getInfo();
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return TRUE === isset($info['width']) ? $info['width'] : 0;
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}
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}
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Reference in New Issue
Block a user