function smarty_function_picture($params, $template)
{
$src = smarty_plugin_get_variable($params, $template, 'src', true);
$alt = smarty_plugin_get_variable($params, $template, 'alt');
$path = smarty_plugin_get_variable($params, $template, 'path');
$CI =& get_instance();
$CI->load->helper('image');
$file = find_img($src);
ci_log('The image file that needs to be picture is %s', $file);
if ($file == null) {
// We can't read the file
$src = 'default.png';
}
$size = get_image_size($src);
$size = $size['width'];
$attr = $params;
$medias = array();
$ret = array();
$attr['src'] = $src;
if ($path != '') {
$attr['path'] = site_url($path);
}
$ret[] = '<picture ' . _parse_form_attributes($attr, array()) . ' >';
foreach ($params as $key => $value) {
// Check if user has set the customized media
if (strpos($key, 'media') !== false) {
$media = str_replace('media', '', $key);
$medias[] = $media;
$ret[] = "\t" . '<source src="' . site_url('responsive/size/' . $value . '/' . $src) . '" media="(min-width:' . $media . 'px)">';
continue;
}
$attr[$key] = smarty_plugin_get_variable($params, $template, $key, false);
}
if ($path == '') {
$resolutions = get_ci_config('resolutions');
foreach ($resolutions as $res) {
if (array_search($res, $medias) !== false) {
// If the resolution is already covered
continue;
}
$ret[] = "\t" . '<source src="' . site_url('responsive/size/' . (double) $res / 2880 * (double) $size . '/' . $src) . '" media="(min-width:' . $res . 'px)">';
}
}
$ret[] = "\t" . '<noscript>';
$ret[] = "\t\t" . '<img src="' . site_url('static/img/' . $src) . '" alt="' . $alt . '">';
$ret[] = "\t" . '</noscript>';
$ret[] = '</picture>';
return implode("\n", $ret);
}
function smarty_function_action($params, $template)
{
$action = get_default($params, 'obj', null);
$alt = get_default($params, 'alt', '');
if ($action == null) {
trigger_error('The obj parameter is required for action!');
return '';
}
if (gettype($action) != 'object' || get_class($action) != 'Action') {
trigger_error('The obj parameter must be of Class Action!');
return '';
}
$fields = json_decode($action->fields);
ci_log('The action to show is', $action);
$data = array();
$uri = $action->uri();
if ($uri) {
$data['href'] = $uri;
}
$content = lang($action->label);
if (isset($action->logo) && $action->logo != '') {
$data = array('src' => $action->logo, 'path' => '/responsive/size', 'data-placement' => isset($fields->placement) ? $fields->placement : 'right', 'data-original-title' => $action->label);
$auto = get_default($params, 'auto', true);
if ($auto) {
$data["data-toggle"] = "tooltip";
}
$CI =& get_instance();
$CI->load->helper('image');
$file = find_img($data['src']);
// Try to find the image in static/img
if ($file == null) {
// We can't read the file
$data['src'] = 'default.png';
}
$picturedata = $data;
unset($picturedata['data-toggle']);
$content = smarty_function_picture($picturedata, $template);
if (isset($action->controller) && isset($action->method) && $uri) {
$data['href'] = $uri;
}
}
return build_tag('a', $data, $content);
}
function get_image_size($src)
{
$CI =& get_instance();
$CI->load->helper('image');
$file = find_img($src);
if ($file == null) {
trigger_error('The responsive image can\'t be found');
return '';
}
if (extension_loaded('imagick')) {
$img = new Imagick($file);
return $img->getImageGeometry();
}
if (extension_loaded('gd')) {
$path_parts = pathinfo($file);
$ext = $path_parts['extension'];
if ($ext == 'jpg' || $ext == 'jpeg') {
$src_img = imagecreatefromjpeg($file);
} else {
$src_img = imagecreatefrompng($file);
}
return array('width' => imageSX($src_img), 'height' => imageSY($src_img));
}
return array(0, 0);
}
function inner_create_image_thumbnail($orig, $width, $height = 0)
{
$output_dir = 'application/cache/img/' . $width . 'x' . $height . '/';
// All the thumbnails is located in cache
$out_file = find_file($orig, $output_dir);
// Try to find the file from output dir
if ($out_file != null) {
// If the cached file is exists, return it
return $out_file;
}
$file = find_img($orig);
if ($file == null) {
// We can't read the file {
return null;
}
if ($width == 'normal') {
return $file;
}
if (!file_exists($output_dir)) {
// If the output dir is not exists, then create it
mkdir($output_dir, 0777, true);
}
$path_parts = pathinfo($file);
$name = $path_parts['filename'];
$ext = $path_parts['extension'];
$out_file = FCPATH . $output_dir . $orig;
$dir = dirname($out_file);
if (!file_exists($dir)) {
mkdir($dir, 0755, true);
}
if (extension_loaded('imagick')) {
Imagick::setResourceLimit(6, 1);
// Set the thread limit to image magick
$img = new Imagick($file);
$img->thumbnailImage($width, $height);
$img->writeImage($out_file);
return $out_file;
}
if (extension_loaded('gd')) {
if ($ext == 'jpg' || $ext == 'jpeg') {
$src_img = imagecreatefromjpeg($file);
} else {
$src_img = imagecreatefrompng($file);
}
$old_x = imageSX($src_img);
$old_y = imageSY($src_img);
if ($height == 0) {
$height = $old_y * $width / $old_x;
}
$dst_img = ImageCreateTrueColor($width, $height);
imagecopyresampled($dst_img, $src_img, 0, 0, 0, 0, $width, $height, $old_x, $old_y);
if ($ext == 'jpg' || $ext == 'jpeg') {
imagejpeg($dst_img, $out_file);
} else {
imagepng($dst_img, $out_file);
}
imagedestroy($dst_img);
imagedestroy($src_img);
return $out_file;
}
return null;
}
