August 26, 2013
add_theme_support( 'post-thumbnails' ); add_image_size('card-image', 320, 240,true); add_filter('image_resize_dimensions', 'image_resize_dimensions', 10, 6); function image_resize_dimensions($default, $orig_w, $orig_h, $new_w, $new_h, $crop){ if ( !$crop ) return null; // let the wordpress default function handle this $aspect_ratio = $orig_w / $orig_h; $size_ratio = max($new_w / $orig_w, $new_h / $orig_h); $crop_w = round($new_w / $size_ratio); $crop_h = round($new_h / $size_ratio); $s_x = floor( ($orig_w - $crop_w) / 2 ); $s_y = floor( ($orig_h - $crop_h) / 2 ); return array( 0, 0, (int) $s_x, (int) $s_y, (int) $new_w, (int) $new_h, (int) $crop_w, (int) $crop_h ); }
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