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<?php |
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namespace Flynt\Features\TimberLoader; |
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use Flynt; |
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use Timber\Image; |
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use Timber\Post; |
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use Timber\Timber; |
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use Twig_SimpleFunction; |
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define(__NAMESPACE__ . '\NS', __NAMESPACE__ . '\\'); |
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// Render Component with Timber (Twig) |
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add_filter('Flynt/renderComponent', NS . 'renderTwigIndex', 10, 4); |
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// Convert ACF Images to Timber Images |
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add_filter('acf/format_value/type=image', NS . 'formatImage', 100); |
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// Convert ACF Gallery Images to Timber Images |
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add_filter('acf/format_value/type=gallery', NS . 'formatGallery', 100); |
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// Convert ACF Field of type post_object to a Timber\Post and add all ACF Fields of that Post |
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add_filter('acf/format_value/type=post_object', NS . 'formatPostObject', 100); |
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function renderTwigIndex($output, $componentName, $componentData, $areaHtml) |
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{ |
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// get index file |
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$componentManager = Flynt\ComponentManager::getInstance(); |
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$templateFilename = apply_filters('Flynt/Features/TimberLoader/templateFilename', 'index.twig'); |
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$templateFilename = apply_filters("Flynt/Features/TimberLoader/templateFilename?name=${componentName}", $templateFilename); |
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$filePath = $componentManager->getComponentFilePath($componentName, $templateFilename); |
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$relativeFilePath = ltrim(str_replace(get_template_directory(), '', $filePath), '/'); |
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if (!is_file($filePath)) { |
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trigger_error("Template not found: {$filePath}", E_USER_WARNING); |
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return $output; |
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} |
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$addArea = function ($twig) use ($areaHtml) { |
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$twig->addFunction(new Twig_SimpleFunction('area', function ($areaName) use ($areaHtml) { |
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if (array_key_exists($areaName, $areaHtml)) { |
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return $areaHtml[$areaName]; |
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} |
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})); |
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return $twig; |
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}; |
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add_filter('get_twig', $addArea); |
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$returnTimberPaths = function ($paths) use ($filePath) { |
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array_unshift($paths, dirname($filePath)); |
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return $paths; |
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}; |
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add_filter('timber/loader/paths', $returnTimberPaths); |
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$output = Timber::fetch($relativeFilePath, $componentData); |
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remove_filter('timber/loader/paths', $returnTimberPaths); |
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remove_filter('get_twig', $addArea); |
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return $output; |
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} |
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function formatImage($value) |
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{ |
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if (!empty($value)) { |
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$value = new Image($value); |
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} |
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return $value; |
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} |
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function formatGallery($value) |
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{ |
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if (!empty($value)) { |
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$value = array_map(function ($image) { |
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return new Image($image); |
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}, $value); |
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} |
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return $value; |
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} |
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function formatPostObject($value) |
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{ |
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if (is_array($value)) { |
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$value = array_map(NS . 'convertToTimberPost', $value); |
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} else { |
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$value = convertToTimberPost($value); |
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} |
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return $value; |
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} |
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function convertToTimberPost($value) |
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{ |
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if (!empty($value) && is_object($value) && get_class($value) === 'WP_Post') { |
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$value = new Post($value); |
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} |
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return $value; |
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} |
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add_action('timber/twig/filters', function ($twig) { |
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$twig->addFunction(new \Twig_SimpleFunction('transparentPng', function ($aspect, $r = 0, $g = 0, $b = 0, $a = 127) { |
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$ratio = aspectToRatio($aspect); |
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//create image with specified sizes |
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$image = imagecreatetruecolor($ratio['width'], $ratio['height']); |
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//saving all full alpha channel information |
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imagesavealpha($image, true); |
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//setting completely transparent color |
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$transparent = imagecolorallocatealpha($image, $r, $g, $b, $a); |
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//filling created image with transparent color |
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imagefill($image, 0, 0, $transparent); |
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ob_start(); // Let's start output buffering. |
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imagepng($image); //This will normally output the image, but because of ob_start(), it won't. |
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$contents = ob_get_contents(); //Instead, output above is saved to $contents |
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ob_end_clean(); //End the output buffer. |
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return "data:image/png;base64," . base64_encode($contents); |
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})); |
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return $twig; |
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}); |
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function aspectToRatio($n, $tolerance = 1.e-6) |
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{ |
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$h1 = 1; |
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$h2 = 0; |
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$k1 = 0; |
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$k2 = 1; |
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$b = 1 / $n; |
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do { |
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$b = 1/$b; |
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$a = floor($b); |
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$aux = $h1; |
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$h1 = $a * $h1 + $h2; |
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$h2 = $aux; |
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$aux = $k1; |
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$k1 = $a * $k1 + $k2; |
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$k2 = $aux; |
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$b = $b - $a; |
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} while (abs($n - $h1 / $k1) > $n * $tolerance); |
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return [ |
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'width' => $h1, |
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'height' => $k1 |
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]; |
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} |
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flyntwp /
flynt-starter-theme
