/**
* From wp-admin/includes/image-edit.php
*/
function pte_stream_preview_image($post_id)
{
$post = get_post($post_id);
@ini_set('memory_limit', apply_filters('admin_memory_limit', WP_MAX_MEMORY_LIMIT));
$img = wp_get_image_editor(_load_image_to_edit_path($post_id));
if (is_wp_error($img)) {
return false;
}
// scale the image
$size = $img->get_size();
$w = $size['width'];
$h = $size['height'];
$ratio = pte_image_get_preview_ratio($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);
}
public static function captcha_image()
{
$field_properties = array('type' => 'captcha', 'simpleCaptchaSize' => $_GET['size'], 'simpleCaptchaFontColor' => $_GET['fg'], 'simpleCaptchaBackgroundColor' => $_GET['bg']);
/* @var GF_Field_CAPTCHA $field */
$field = GF_Fields::create($field_properties);
if ($_GET['type'] == 'math') {
$captcha = $field->get_math_captcha($_GET['pos']);
} else {
$captcha = $field->get_captcha();
}
@ini_set('memory_limit', '256M');
$image = imagecreatefrompng($captcha['path']);
include_once ABSPATH . 'wp-admin/includes/image-edit.php';
wp_stream_image($image, 'image/png', 0);
imagedestroy($image);
die;
}
/**
* 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, $post_id);
}
function stream_preview_image($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;
}
public static function captcha_image()
{
$field = array("simpleCaptchaSize" => $_GET["size"], "simpleCaptchaFontColor" => $_GET["fg"], "simpleCaptchaBackgroundColor" => $_GET["bg"]);
if ($_GET["type"] == "math") {
$captcha = GFCommon::get_math_captcha($field, $_GET["pos"]);
} else {
$captcha = GFCommon::get_captcha($field);
}
@ini_set('memory_limit', '256M');
$image = imagecreatefrompng($captcha["path"]);
include_once ABSPATH . 'wp-admin/includes/image-edit.php';
wp_stream_image($image, "image/png", 0);
imagedestroy($image);
die;
}
/**
* 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);
}
/**
* 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);
}