Check out @Otto’s plugin Dynamic Image Resizer. I think it does exactly what you’re asking for. I haven’t used it before, so I can’t vouch for it, but the plugin author’s identity goes a long way toward me trusting it.
If you take the look at the source of the function is simply stores the arguments in $_wp_additional_image_sizes global, with key by name. As far as I remember there are no dedicated API functions for it (get_intermediate_image_sizes() will return list of names, but not data). Just access the global and look for data you need … Read more
When the first image is a WordPress image attachment. in 3.6, there is an easier way. function get_first_image_medium_size_url($post_id) { if(!$images = get_attached_images($post_id)) return false; $first_image = current($images); if(!$src = wp_get_attachment_image_src($first_image->ID,’medium’)) return false; $medium_url = current($src); return $medium_url; } get_attached_images is available in 3.6. wp_get_attachment_image_src is available since 2.5.0 which will automatically get or scale the … Read more
You can disable the medium and large image sizes by using the ‘intermediate_image_sizes’ filter: function remove_image_sizes($image_sizes){ foreach($image_sizes as $key => $size){ if($size == ‘large’ || $size == ‘medium’) unset($image_sizes[$key]); } return $image_sizes; } add_filter(‘intermediate_image_sizes’, ‘remove_image_sizes’, 12, 1); This skips adding these sizes and the options to insert a medium/large image are left blank in the … Read more
https://github.com/crstauf/WordPress-FeaturedImage-SpecialImageSize try this out; wrote it myself a long time ago. I do have an updated version, coming out soon. let me know if you’ve any questions. as requested, relevant code for functions.php of your theme: // `post_type` => array(width,height,crop) $featimg_sizes = array( ‘post’ => array(50,20,false) ); add_action(‘wp_ajax_set-post-thumbnail’,’generate_featimg_size’,1); function generate_featimg_size() { global $featimg_sizes; $thumbnail_id = … Read more
That is a huge difference! I think this is your issue… Any time an image is uploaded, if that image was saved in the Adobe RGB color space, then the image does not get loaded correctly for resizing. Thumbnails are saved in the default color space, which is sRGB. By failing to perform the color … Read more
From this comment: Sry, i forgot it, but i want size of 645×445, exactly, and that image dont have it. The width of it is 588px. Look: img201.imageshack.us/img201/4728/40405258.png WordPress need make a zoom on it. WordPress does not zoom. It only crops. If you want an image to have a custom intermediate size, then you … Read more
To answer your first question, the first chunk of code is specifically for adding more custom thumbnail sizes. Don’t let the word “thumbnail” trick you, in fact I use the function mentioned above to register large images that fit in very specific places in themes such as custom sized banners and things like that. In … Read more
You need to know your site’s current thumbnail dimension settings in order for you to detect if the $url is of thumbnail size. $thumbnail_width = get_option( ‘thumbnail_size_w’ ); $thumbnail_height = get_option( ‘thumbnail_size_h’ ); // The do detection // Assuming you have the image $url $pattern = ‘%’ . $thumbnail_width . ‘x’ . $thumbnail_height . ‘%’; … Read more
Make a grid setup, with your guttering, and setup JQMasonry to appyl itself to everything in that grid. Then add image sizes for the sizes of tiles you want using add_image_size in functions.php. You will need to regenerate any existing image thumbnails after this has been done. Then finally display your posts. Use div elements … Read more