function SaveHeaderImage()
{
global $page, $dataDir, $dirPrefix, $langmessage;
includeFile('tool/Images.php');
$page->ajaxReplace = array();
//source file
$source_file_rel = $_REQUEST['file'];
if (!empty($_REQUEST['src'])) {
$source_file_rel = rawurldecode($_REQUEST['src']);
if (!empty($dirPrefix)) {
$len = strlen($dirPrefix);
$source_file_rel = substr($source_file_rel, $len);
}
}
$source_file_rel = '/' . ltrim($source_file_rel, '/');
$source_file_full = $dataDir . $source_file_rel;
if (!file_exists($source_file_full)) {
message($langmessage['OOPS'] . ' (Source file not found)');
return;
}
$src_img = thumbnail::getSrcImg($source_file_full);
if (!$src_img) {
message($langmessage['OOPS'] . ' (Couldn\'t create image [1])');
return;
}
//size and position variables
$orig_w = $width = imagesx($src_img);
$orig_h = $height = imagesy($src_img);
$posx = $posy = 0;
if (isset($_REQUEST['posx']) && is_numeric($_REQUEST['posx'])) {
$posx = $_REQUEST['posx'];
}
if (isset($_REQUEST['posy']) && is_numeric($_REQUEST['posy'])) {
$posy = $_REQUEST['posy'];
}
if (isset($_REQUEST['width']) && is_numeric($_REQUEST['width'])) {
$width = $_REQUEST['width'];
}
if (isset($_REQUEST['height']) && is_numeric($_REQUEST['height'])) {
$height = $_REQUEST['height'];
}
//check to see if the image needs to be resized
if ($posx == 0 && $posy == 0 && $width == $orig_w && $height == $orig_h) {
$this->SetImage($source_file_rel, $width, $height);
return;
}
//destination file
$name = basename($source_file_rel);
$parts = explode('.', $name);
$type = array_pop($parts);
if (count($parts) > 1) {
$time_part = array_pop($parts);
if (!ctype_digit($time_part)) {
$parts[] = $time_part;
}
}
$name = implode('.', $parts);
$time = time();
if (isset($_REQUEST['time']) && ctype_digit($_REQUEST['time'])) {
$time = $_REQUEST['time'];
}
//$dest_img_rel = '/data/_uploaded/headers/'.$name.'.'.$time.'.'.$type;
$dest_img_rel = '/data/_uploaded/headers/' . $name . '.' . $time . '.png';
$dest_img_full = $dataDir . $dest_img_rel;
//make sure the folder exists
if (!gpFiles::CheckDir(dirname($dest_img_full))) {
message($langmessage['OOPS'] . ' (Couldn\'t create directory)');
return false;
}
if (!thumbnail::createImg($src_img, $dest_img_full, $posx, $posy, 0, 0, $orig_w, $orig_h, $orig_w, $orig_h, $width, $height)) {
message($langmessage['OOPS'] . ' (Couldn\'t create image [2])');
return;
}
if ($this->SetImage($dest_img_rel, $width, $height)) {
includeFile('admin/admin_uploaded.php');
admin_uploaded::CreateThumbnail($dest_img_full);
}
}
/**
* Create a resized image of the file at $src_relative
*
*/
static function CreateImage($src_relative, $width, $height)
{
global $dataDir;
$src_path = $dataDir . '/data/_uploaded' . $src_relative;
if (!file_exists($src_path)) {
return false;
}
//compare to actual size
includeFile('tool/Images.php');
$src_img = thumbnail::getSrcImg($src_path);
if (!$src_img) {
return false;
}
//Original Size
$actual_w = imagesx($src_img);
$actual_h = imagesy($src_img);
if ($actual_w <= $width && $actual_h <= $height) {
return false;
}
$info = gp_resized::ImageInfo($src_relative, $width, $height);
if (!$info) {
return false;
}
$dest_index = $info['index'];
if (!$dest_index) {
$dest_index = gp_resized::NewIndex();
}
$dest_path = $dataDir . '/data/_resized/' . $dest_index . '/' . $info['name'];
$exists_before = file_exists($dest_path);
//make sure the folder exists
if (!gpFiles::CheckDir(common::DirName($dest_path))) {
return false;
}
//create new resized image
if (!thumbnail::createImg($src_img, $dest_path, 0, 0, 0, 0, $width, $height, $actual_w, $actual_h)) {
return false;
}
//not needed if the resized image is larger than the original
if (filesize($dest_path) > filesize($src_path)) {
if (!$exists_before) {
unlink($dest_path);
}
return false;
}
$data['index'] = $dest_index;
$data['w'] = $width;
$data['h'] = $height;
$data['img'] = $src_relative;
return $data;
}
/**
* @deprecated
*/
function maxArea($source_path, $dest_path, $max_area = 1024000)
{
$src_img = thumbnail::getSrcImg($source_path, $dest_path);
//memory usage before and after this call are small 1093804 vs 1094616
if (!$src_img) {
return false;
}
//Original Size
$old_x = imagesx($src_img);
$old_y = imagesy($src_img);
$old_area = $old_x * $old_y;
//don't enlarge check 1
if ($old_area < $max_area) {
return move_uploaded_file($source_path, $dest_path);
}
//Calculate the new size
$inv_ratio = $old_y / $old_x;
$new_y = sqrt($max_area * $inv_ratio);
$new_y = round($new_y);
$new_x = round($max_area / $new_y);
//don't enlarge check 2
$new_area = $new_y * $new_x;
if ($new_area > $old_area) {
return move_uploaded_file($source_path, $dest_path);
}
return thumbnail::createImg($src_img, $dest_path, 0, 0, 0, 0, $new_x, $new_y, $old_x, $old_y);
}
/**
* Create a rectangular image at $dest_path from an image at $source_path
*
* @param string $source_path location of the source image
* @param string $dest_path location of the image to be created
* @param int $new_w The width of the new image
* @param int $new_h The height of the new image
* @param string $img_type A string representing the type of the source file (png, jpg)
* @return bool
*/
static function CreateRect($source_path, $dest_path, $new_w = 50, $new_h = 50, $img_type = false)
{
$src_img = thumbnail::getSrcImg($source_path, $img_type);
if (!$src_img) {
return false;
}
//Size
$old_w = imagesx($src_img);
$old_h = imagesy($src_img);
$dst_x = 0;
$dst_y = 0;
$width_ratio = $new_w / $old_w;
$height_ratio = $new_h / $old_h;
if ($width_ratio < $height_ratio) {
$temp_h = round($width_ratio * $old_h);
$temp_w = $new_w;
} else {
$temp_w = round($height_ratio * $old_w);
$temp_h = $new_h;
}
return thumbnail::createImg($src_img, $dest_path, $dst_x, $dst_y, 0, 0, $temp_w, $temp_h, $old_w, $old_h, $new_w, $new_h);
}
