本文整理汇总了PHP中_image_get_preview_ratio函数的典型用法代码示例。如果您正苦于以下问题：PHP _image_get_preview_ratio函数的具体用法？PHP _image_get_preview_ratio怎么用？PHP _image_get_preview_ratio使用的例子？那么, 这里精选的函数代码示例或许可以为您提供帮助。
在下文中一共展示了_image_get_preview_ratio函数的4个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的PHP代码示例。
示例1: stream_preview_image
/**
* Streams image in post to browser, along with enqueued changes
* in $_REQUEST['history']
*
* @param int $post_id
* @return boolean
*/
function stream_preview_image($post_id)
{
$post = get_post($post_id);
/** This filter is documented in wp-admin/admin.php */
@ini_set('memory_limit', apply_filters('admin_memory_limit', WP_MAX_MEMORY_LIMIT));
$img = wp_get_image_editor(_load_image_to_edit_path($post_id));
if (is_wp_error($img)) {
return false;
}
$changes = !empty($_REQUEST['history']) ? json_decode(wp_unslash($_REQUEST['history'])) : null;
if ($changes) {
$img = image_edit_apply_changes($img, $changes);
}
// Scale the image.
$size = $img->get_size();
$w = $size['width'];
$h = $size['height'];
$ratio = _image_get_preview_ratio($w, $h);
$w2 = max(1, $w * $ratio);
$h2 = max(1, $h * $ratio);
if (is_wp_error($img->resize($w2, $h2))) {
return false;
}
return wp_stream_image($img, $post->post_mime_type, $post_id);
}示例2: stream_preview_image
/**
* Streams image in post to browser, along with enqueued changes
* in $_REQUEST['history']
*
* @param int $post_id
* @return boolean
*/
function stream_preview_image($post_id)
{
$post = get_post($post_id);
@ini_set('memory_limit', apply_filters('admin_memory_limit', WP_MAX_MEMORY_LIMIT));
$img = WP_Image_Editor::get_instance(_load_image_to_edit_path($post_id));
if (is_wp_error($img)) {
return false;
}
$changes = !empty($_REQUEST['history']) ? json_decode(stripslashes($_REQUEST['history'])) : null;
if ($changes) {
$img = image_edit_apply_changes($img, $changes);
}
// scale the image
$size = $img->get_size();
$w = $size['width'];
$h = $size['height'];
$ratio = _image_get_preview_ratio($w, $h);
$w2 = $w * $ratio;
$h2 = $h * $ratio;
if (is_wp_error($img->resize($w2, $h2))) {
return false;
}
return wp_stream_image($img, $post->post_mime_type, $post_id);
}示例3: stream_preview_image
function stream_preview_image($post_id)
{
$post = get_post($post_id);
@ini_set('memory_limit', apply_filters('admin_memory_limit', WP_MAX_MEMORY_LIMIT));
$img = load_image_to_edit($post_id, $post->post_mime_type, array(400, 400));
if (!is_resource($img)) {
return false;
}
$changes = !empty($_REQUEST['history']) ? json_decode(stripslashes($_REQUEST['history'])) : null;
if ($changes) {
$img = image_edit_apply_changes($img, $changes);
}
// scale the image
$w = imagesx($img);
$h = imagesy($img);
$ratio = _image_get_preview_ratio($w, $h);
$w2 = $w * $ratio;
$h2 = $h * $ratio;
$preview = wp_imagecreatetruecolor($w2, $h2);
imagecopyresampled($preview, $img, 0, 0, 0, 0, $w2, $h2, $w, $h);
wp_stream_image($preview, $post->post_mime_type, $post_id);
imagedestroy($preview);
imagedestroy($img);
return true;
}示例4: stream_preview_image
/**
* Streams image in post to browser, along with enqueued changes
* in $_REQUEST['history']
*
* @param int $post_id
* @return bool
*/
function stream_preview_image($post_id)
{
$post = get_post($post_id);
wp_raise_memory_limit('admin');
$img = wp_get_image_editor(_load_image_to_edit_path($post_id));
if (is_wp_error($img)) {
return false;
}
$changes = !empty($_REQUEST['history']) ? json_decode(wp_unslash($_REQUEST['history'])) : null;
if ($changes) {
$img = image_edit_apply_changes($img, $changes);
}
// Scale the image.
$size = $img->get_size();
$w = $size['width'];
$h = $size['height'];
$ratio = _image_get_preview_ratio($w, $h);
$w2 = max(1, $w * $ratio);
$h2 = max(1, $h * $ratio);
if (is_wp_error($img->resize($w2, $h2))) {
return false;
}
return wp_stream_image($img, $post->post_mime_type, $post_id);
}