/**
* Set our transform hooks
*
*/
public function set_hooks()
{
$hook_prefix = photonfill_hook_prefix();
// Override photon args
add_filter($hook_prefix . '_photon_image_downsize_array', array($this, 'set_photon_args'), 5, 2);
add_filter($hook_prefix . '_photon_image_downsize_string', array($this, 'set_photon_args'), 5, 2);
// Transform our photon url
add_filter($hook_prefix . '_photon_pre_args', array($this, 'transform_photon_url'), 5, 3);
}
/**
* Set our transform hooks
*
*/
public function set_hooks()
{
$hook_prefix = photonfill_hook_prefix();
// Override photon args
add_filter($hook_prefix . '_photon_image_downsize_array', array($this, 'set_photon_args'), 5, 2);
add_filter($hook_prefix . '_photon_image_downsize_string', array($this, 'set_photon_args'), 5, 2);
// If we're using the photonfill_bypass_image_downsize, we skip downsize, and now need to
// ensure the photon args are being set (but with a lower priority)
if (apply_filters('photonfill_bypass_image_downsize', false)) {
add_filter($hook_prefix . '_photon_pre_args', array($this, 'set_photon_args'), 4, 3);
}
// Transform our photon url
add_filter($hook_prefix . '_photon_pre_args', array($this, 'transform_photon_url'), 5, 3);
}
/**
* Manipulate our img src
* @param int
* @param array. This should always be an array of breakpoint width and height
* @param boolean. Should this be the default srcset for the img element.
*/
private function get_img_src($attachment_id, $size, $default = false)
{
if (!empty($attachment_id)) {
if (empty($size)) {
$attachment_meta = wp_get_attachment_metadata($attachment_id, true);
$attachment_width = !empty($attachment_meta['width']) ? $attachment_meta['width'] : 0;
$attachment_height = !empty($attachment_meta['height']) ? $attachment_meta['height'] : 0;
$size = array($attachment_width, $attachment_height);
}
$width = $size[0];
$height = $size[1];
$img_src = array('width' => $width, 'height' => $height, 'default' => $default);
// A hack for the fact that photon doesn't work with wp_ajax calls due to is_admin forcing image downsizing to return the original image
if (is_admin()) {
// Support jetpack photon and my_photon
$photon_url_function = photonfill_hook_prefix() . '_photon_url';
$attachment_src = wp_get_attachment_url($attachment_id);
$img_src['url'] = $photon_url_function($attachment_src, array('attachment_id' => $attachment_id, 'width' => $img_src['width'], 'height' => $img_src['height']));
$img_src['url2x'] = $photon_url_function($attachment_src, array('attachment_id' => $attachment_id, 'width' => absint($img_src['width'] * 2), 'height' => absint($img_src['height'] * 2)));
} else {
$attachment_src = wp_get_attachment_image_src($attachment_id, $size);
$attachment_src_2x = wp_get_attachment_image_src($attachment_id, array(absint($width) * 2, absint($height) * 2));
$img_src['url'] = $attachment_src[0];
$img_src['url2x'] = $attachment_src_2x[0];
}
return $img_src;
}
return false;
}
