Forked from phproberto/templates\protostar\html\layouts\com_content\article\image.php
Created
June 22, 2019 15:37
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Joomla layouts to generate thumbnails on the fly
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<?php | |
/** | |
* @package Joomla.Site | |
* @subpackage Layout | |
* | |
* @copyright Copyright (C) 2005 - 2015 Open Source Matters, Inc. All rights reserved. | |
* @license GNU General Public License version 2 or later; see LICENSE.txt | |
*/ | |
defined('_JEXEC') or die; | |
extract($displayData); | |
/** | |
* Layout variables | |
* | |
* @var stdClass $article Article as it comes from joomla models/helpers | |
* @var array $options Array with options. Available options: | |
* 'resolution' : Resolution of the thumbnail | |
* 'force_png' : Convert always to PNG for transparent backgrounds | |
* 'force_rewrite' : Force thumbnail regeneration | |
* 'thumb_method' : Method to use to create the thumbnails. See JImage | |
*/ | |
$layoutOptions = empty($options) ? new JInput : new JInput($options); | |
$images = json_decode($article->images); | |
// Intro image available | |
if (!empty($images->image_intro)) | |
{ | |
$imageUrl = $images->image_intro; | |
$imageAlt = $images->image_intro_alt; | |
} | |
// Full text image available | |
elseif (!empty($images->image_fulltext)) | |
{ | |
$imageUrl = $images->image_fulltext; | |
$imageAlt = $images->image_fulltext_alt; | |
} | |
// Nothing to display | |
else | |
{ | |
return; | |
} | |
$resolution = $layoutOptions->get('resolution', '350x250'); | |
// A thumbnail has been required | |
if ($resolution) | |
{ | |
$thumbUrl = JLayoutHelper::render( | |
'image.thumbnail', | |
array( | |
'imageUrl' => $imageUrl, | |
'options' => $options | |
) | |
); | |
if ($thumbUrl) | |
{ | |
$imageUrl = $thumbUrl; | |
} | |
} | |
?> | |
<img src="<?php echo $imageUrl; ?>" alt="<?php echo $imageAlt; ?>" /> |
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<?php | |
/** | |
* @package Joomla.Site | |
* @subpackage Layout | |
* | |
* @copyright Copyright (C) 2005 - 2015 Open Source Matters, Inc. All rights reserved. | |
* @license GNU General Public License version 2 or later; see LICENSE.txt | |
*/ | |
defined('_JEXEC') or die; | |
extract($displayData); | |
/** | |
* Layout variables | |
* | |
* @var array $imageUrl Url of the source image | |
* @var array $options Array with options. Available options: | |
* 'resolution' : Resolution of the thumbnail | |
* 'force_png' : Convert always to PNG for transparent backgrounds | |
* 'force_rewrite' : Force thumbnail regeneration | |
* 'thumb_method' : Method to use to create the thumbnails. See JImage | |
*/ | |
$layoutOptions = empty($options) ? new JInput : new JInput($options); | |
// Generate image path from its URL | |
$imagePath = JPATH_SITE . '/' . ltrim($imageUrl, '/'); | |
// Cannot create the thumb | |
if (!file_exists($imagePath)) | |
{ | |
echo $imageUrl; | |
return; | |
} | |
// Layout options | |
$resolution = $layoutOptions->get('resolution', '450x350'); | |
$forcePng = $layoutOptions->getBoolean('force_png', false); | |
$rewriteThumb = $layoutOptions->getBoolean('force_rewrite', false); | |
$thumbMethod = $layoutOptions->getInt('thumb_method', JImage::SCALE_INSIDE); | |
$fileInfo = pathinfo($imagePath); | |
$thumbPath = dirname($imagePath) . '/thumbs/' . $resolution . '/' . $fileInfo['filename'] . '.png'; | |
// Thumb already exists | |
if (!$rewriteThumb && file_exists($thumbPath)) | |
{ | |
echo str_replace(JPATH_SITE, JUri::root(true), $thumbPath); | |
return; | |
} | |
// Source of the png file if we have to force PNG thumbnails | |
$pngPath = dirname($imagePath) . '/' . $fileInfo['filename'] . '.png'; | |
if ($forcePng && $fileInfo['extension'] != 'png' && !file_exists($pngPath)) | |
{ | |
$pngImage = imagecreatefromstring(file_get_contents($imagePath)); | |
imagepng($pngImage, $pngPath); | |
$jimage = new JImage($pngPath); | |
} | |
else | |
{ | |
$jimage = new JImage($imagePath); | |
} | |
try | |
{ | |
$thumbs = $jimage->generateThumbs(array($resolution)); | |
} | |
catch (Exception $e) | |
{ | |
$thumbs = array(); | |
} | |
if (!$thumbs) | |
{ | |
echo $imageUrl; | |
return; | |
} | |
// Try to create the thumb folder | |
if (!is_dir(dirname($thumbPath)) && !mkdir(dirname($thumbPath), 0755, true)) | |
{ | |
echo $imageUrl; | |
return; | |
} | |
$thumbs[0]->toFile($thumbPath, JImage::getImageFileProperties($jimage->getPath())->type); | |
echo str_replace(JPATH_SITE, JUri::root(true), $thumbPath); |
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<?php | |
/** | |
* @package Joomla.Site | |
* @subpackage Layout | |
* | |
* @copyright Copyright (C) 2005 - 2015 Open Source Matters, Inc. All rights reserved. | |
* @license GNU General Public License version 2 or later; see LICENSE.txt | |
*/ | |
defined('_JEXEC') or die; | |
// More descriptive name | |
$article = $displayData; | |
// Our article will only have a link if it's required so it's easier to check in our HTML | |
if ($article->params->get('link_titles') && $article->params->get('access-view')) | |
{ | |
$link = JRoute::_(ContentHelperRoute::getArticleRoute($article->slug, $article->catid, $article->language)); | |
} | |
?> | |
<div class="item-image"> | |
<?php if ($link) : ?> | |
<a href="<?php echo $link; ?>" class="thumbnail"> | |
<?php endif; ?> | |
<?php | |
echo JLayoutHelper::render( | |
'com_content.article.image', | |
array( | |
'article' => $article, | |
'options' => array( | |
'resolution' => '450x350' | |
) | |
) | |
) | |
?> | |
<?php if ($link) : ?> | |
</a> | |
<?php endif; ?> | |
</div> |
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