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<?php
define('FIFU_FLICKR_SIZES', serialize(array('s', 't', 'q', 'm', 'n', '-', 'z', 'c', 'b')));
function fifu_is_valid_flickr_size($size) {
foreach (unserialize(FIFU_FLICKR_SIZES) as $i)
if ($size == $i)
return true;
return false;
}
function is_from_flickr($url) {
return strpos($url, "staticflickr.com") !== false;
}
function fifu_resize_flickr_image($size, $url) {
if (!fifu_is_valid_flickr_size($size))
$size = fifu_flickr_size_auto($size, 0);
if ($size == '-')
$size = '';
$pattern = '/((_[\w])+)*\.[\w]+$/';
$extension = null;
preg_match($pattern, $url, $aux);
if ($aux)
$extension = explode('.', $aux[0])[1];
$replacement = $size . '.';
if ($size)
$replacement = '_' . $replacement;
if ($extension)
return preg_replace($pattern, $replacement, $url) . $extension;
return preg_replace($pattern, $replacement, $url);
}
function fifu_flickr_size_auto($width, $height) {
$longest = $width >= $height ? $width : $height;
if ($width == $height) {
if ($longest <= 75)
return 's';
if ($longest <= 150)
return 'q';
}
if ($longest <= 100)
return 't';
if ($longest <= 240)
return 'm';
$longest *= 0.9;
if ($longest <= 320)
return 'n';
if ($longest <= 500)
return '-';
if ($longest <= 640)
return 'z';
if ($longest <= 800)
return 'c';
return 'b';
}
add_filter('woocommerce_single_product_image_thumbnail_html', 'fifu_woo_flickr_replace', 10, 2);
function fifu_woo_flickr_replace($html, $post_thumbnail_id) {
$width = fifu_get_img_width_from_html($html);
$aux = explode(',', get_option('fifu_flickr_prod'));
$maxSize = end($aux);
$width = $maxSize > $width ? $width : $maxSize;
$url = wp_get_attachment_url($post_thumbnail_id);
if (is_from_flickr($url) && $width) {
$size = fifu_flickr_size_auto($width, 0);
if ($size) {
$new_url = fifu_resize_flickr_image($size, $url);
$html = str_replace($url, $new_url, $html);
}
}
$url = fifu_get_data_large_from_html($html);
if (is_from_flickr($url)) {
$size = fifu_flickr_size_auto($width, 0);
if ($size) {
$new_url = fifu_resize_flickr_image($size, $url);
$html = str_replace('data-large_image="' . $url, 'data-large_image="' . $new_url, $html);
}
}
return $html;
}
function fifu_flickr_replace($html, $post_thumbnail_id) {
$width = fifu_get_img_width_from_html($html);
$url = fifu_get_src_from_html($html);
if (is_from_flickr($url) && $width) {
$size = fifu_flickr_size_auto($width, 0);
if ($size) {
$new_url = fifu_resize_flickr_image($size, $url);
$html = str_replace($url, $new_url, $html);
}
}
return $html;
}
function fifu_flickr_get_srcset($url, $maxWidth) {
$srcset = fifu_is_on('fifu_lazy') ? 'data-srcset="' : 'srcset="';
$count = 0;
$arr_sizes_int = explode(',', fifu_flickr_thumbnail_sizes());
foreach (fifu_flickr_convert_to_char($arr_sizes_int) as $i) {
$srcset .= (($count != 0) ? ', ' : '') . fifu_resize_flickr_image($i, $url) . ' ' . $arr_sizes_int[$count] . 'w';
if ($maxWidth && $arr_sizes_int[$count] >= $maxWidth)
break;
$count++;
}
return $srcset . '"';
}
function fifu_flickr_thumbnail_sizes() {
if (is_home())
return get_option('fifu_flickr_home');
if (class_exists('WooCommerce') && is_shop())
return get_option('fifu_flickr_shop');
if (class_exists('WooCommerce') && is_product_category())
return get_option('fifu_flickr_ctgr');
if (is_singular('post') || is_author() || is_search())
return get_option('fifu_flickr_post');
if (is_singular('page'))
return class_exists('WooCommerce') && is_cart() ? get_option('fifu_flickr_cart') : get_option('fifu_flickr_page');
if (is_singular('product'))
return get_option('fifu_flickr_prod');
if (is_archive())
return get_option('fifu_flickr_arch');
}
function fifu_flickr_convert_to_char($arr_sizes_int) {
$aux = '';
$count = 0;
foreach ($arr_sizes_int as $i) {
if ($count++ > 0)
$aux .= ',';
switch ($i) {
case '75':
$aux .= 's';
break;
case '100':
$aux .= 't';
break;
case '150':
$aux .= 'q';
break;
case '240':
$aux .= 'm';
break;
case '320':
$aux .= 'n';
break;
case '500':
$aux .= '-';
break;
case '640':
$aux .= 'z';
break;
case '800':
$aux .= 'c';
break;
case '1024':
$aux .= 'b';
break;
default:
$aux .= 'b';
}
}
return explode(',', $aux);
}
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