thumbnails - Read For Learn

Custom image sizes only for thumbnails

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

Cannot get full thumbnail size using the_post_thumbnail

Try to add custom thumbnail size with unlimited(very big) hegiht and width in functions.php with following code: add_theme_support( ‘post-thumbnails’ ); add_image_size( ‘custom’, 9999, 9999 ); It will not crop any images. So you can use it as the_post_thumbnail( ‘custom’ ); This method looks rough but you can use if other ways don’t work. And if … Read more

Media thumbnail for custom post inside post content

@Ibraheem, you don’t have to use global $post, since it is in global. To check post type you can use get_post_type(). Using the_post_thumbnail is not properly implemented in this case, instead use get_the_post_thumbnail. Note: you can’t use has_post_thumbnail as tag condition if you are not set featured image. add_filter( ‘the_content’, ‘put_thumbnail_in_posting’ ); function put_thumbnail_in_posting( $content … Read more

Disable wordpress image sizes generation

Try this function filter_image_sizes() { foreach ( get_intermediate_image_sizes() as $size ) { if (in_array( $size, array(‘medium’, ‘medium_large’, ‘large’) ) ) { remove_image_size( $size ); } } } add_action(‘init’, ‘filter_image_sizes’);

How to make programmatic image upload generate thumbnail and sizes?

In order for wp_generate_attachment_metadata() to work properly in that it creates a thumbnail and other intermediate/image sizes like medium and large, the image attachment/post data must have the proper MIME type (post_mime_type), and despite you did set it in your $attachment array (the post data), there’s a problem with this part in your code: $wp_filetype … Read more

Saving WordPress generated thumbnails in a subdirectory

Media Gallery Upload Thumbnail Compression is Changing Image Hue

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

Does thumbnail regeneration edit the database?

Are the new image dimensions registered in the database in any way or does the resizing just occur in the uploads directory? No, the image size system is similar to the post type system, sizes are registered at runtime, not in the database. The size of some sizes are stored in the database as they’re … Read more

Add_image_size not cropping

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

Additional image sizes are not being generated

From https://make.wordpress.org/core/2012/12/06/wp_image_editor-is-incoming/ : Imagick support requires Imagick 2.2.0+ compiled against Imagemagick 6.2.9+, for full support. If the required functions aren’t available, WordPress will default back to GD. If you can, create a PHP file somewhere on your server with this content: <?php phpinfo(); ?>. Then load the page and see if there is a section … Read more

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