function buildThumbnail()
{
//set cropping offset
$cropX = floor(($this->image->width - $this->cropWidth) / 2);
$cropY = floor(($this->image->height - $this->cropHeight) / 2);
//check thumbs directory exists and create it if not
if (!file_exists(dirname($this->thumbPath))) {
Singapore::mkdir(dirname($this->thumbPath));
}
//if file is remote then copy locally first
if ($this->image->isRemote()) {
$ip = @fopen($this->imagePath, "rb");
$tp = @fopen($this->thumbPath, "wb");
if ($ip && $tp) {
while (fwrite($tp, fread($ip, 4095))) {
}
fclose($tp);
fclose($ip);
$this->imagePath = $this->thumbPath;
}
}
switch ($this->config->thumbnail_software) {
case "im":
//use ImageMagick v5.x
$cmd = '"' . $this->config->pathto_convert . '"';
if ($this->forceSize) {
$cmd .= " -crop {$this->cropWidth}x{$this->cropHeight}+{$this->cropX}+{$this->cropY}";
}
$cmd .= " -geometry {$this->thumbWidth}x{$this->thumbHeight}";
if ($this->image->type == 2) {
$cmd .= " -quality " . $this->config->thumbnail_quality;
}
if ($this->config->progressive_thumbs) {
$cmd .= " -interlace Plane";
}
if ($this->config->remove_jpeg_profile) {
$cmd .= ' +profile "*"';
}
$cmd .= ' ' . escapeshellarg($this->imagePath) . ' ' . escapeshellarg($this->thumbPath);
exec($cmd);
break;
case "im6":
//use ImageMagick v6.x
$cmd = '"' . $this->config->pathto_convert . '"';
$cmd .= ' ' . escapeshellarg($this->imagePath);
if ($this->config->progressive_thumbs) {
$cmd .= " -interlace Plane";
}
if ($this->image->type == 2) {
$cmd .= " -quality " . $this->config->thumbnail_quality;
}
if ($this->forceSize) {
$cmd .= " -crop {$this->cropWidth}x{$this->cropHeight}+{$this->cropX}+{$this->cropY}";
}
$cmd .= " -resize {$this->thumbWidth}x{$this->thumbHeight}";
if ($this->config->remove_jpeg_profile) {
$cmd .= ' +profile "*"';
}
$cmd .= ' ' . escapeshellarg($this->thumbPath);
exec($cmd);
break;
case "gd2":
case "gd1":
default:
//use GD by default
//read in image as appropriate type
switch ($this->image->type) {
case 1:
$image = ImageCreateFromGIF($this->imagePath);
break;
case 3:
$image = ImageCreateFromPNG($this->imagePath);
break;
case 2:
default:
$image = ImageCreateFromJPEG($this->imagePath);
break;
}
if ($image) {
switch ($this->config->thumbnail_software) {
case "gd2":
//create blank truecolor image
$thumb = ImageCreateTrueColor($this->thumbWidth, $this->thumbHeight);
//resize image with resampling
ImageCopyResampled($thumb, $image, 0, 0, $cropX, $cropY, $this->thumbWidth, $this->thumbHeight, $this->cropWidth, $this->cropHeight);
break;
case "gd1":
default:
//create blank 256 color image
$thumb = ImageCreate($this->thumbWidth, $this->thumbHeight);
//resize image
ImageCopyResized($thumb, $image, 0, 0, $cropX, $cropY, $this->thumbWidth, $this->thumbHeight, $this->cropWidth, $this->cropHeight);
break;
}
}
/*else {
$thumb = ImageCreate($this->thumbWidth, $this->thumbHeight);
$bg = ImageColorAllocate($thumb, 255, 255, 255);
$text = ImageColorAllocate($thumb, 255, 0, 0);
ImageString($thumb, 1, 0, 0, "Cannot load source image", $text);
}*/
//set image interlacing
@ImageInterlace($thumb, $this->config->progressive_thumbs);
//output image of appropriate type
switch ($this->image->type) {
case 1:
//GIF images are saved as PNG
//GIF images are saved as PNG
case 3:
ImagePNG($thumb, $this->thumbPath);
break;
case 2:
default:
ImageJPEG($thumb, $this->thumbPath, $this->config->thumbnail_quality);
break;
}
@ImageDestroy($image);
@ImageDestroy($thumb);
}
//set file permissions on newly created thumbnail
@chmod($this->thumbPath, octdec($this->config->file_mode));
}
/**
* Adds the contents of an uploaded archive to the database.
*
* @return boolean true on success; false otherwise
*/
function addMultipleImages()
{
//find system temp directory
if (!($systmpdir = $this->findTempDirectory())) {
return $this->pushError($this->translator->_g("Unable to find temporary storage space."));
}
//create new temp directory in system temp dir but stop after 100 attempts
while (!Singapore::mkdir($tmpdir = $systmpdir . "/" . uniqid("sg")) && $tries++ < 100) {
}
$archive = $_FILES["sgArchiveFile"]["tmp_name"];
if (!is_uploaded_file($archive)) {
return $this->pushError($this->translator->_g("Could not upload file."));
}
//decompress archive to temp
$cmd = escapeshellcmd($this->config->pathto_unzip);
$cmd .= ' -d "' . escapeshellcmd(realpath($tmpdir));
$cmd .= '" "' . escapeshellcmd(realpath($archive)) . '"';
if (!exec($cmd)) {
return $this->pushError($this->translator->_g("Could not decompress archive."));
}
//start processing archive contents
$wd = $tmpdir;
$contents = $this->getListing($wd, $this->config->recognised_extensions);
//cope with archives contained within a directory
if (empty($contents->files) && count($contents->dirs) == 1) {
$contents = $this->getListing($wd .= '/' . $contents->dirs[0], $this->config->recognised_extensions);
}
$success = true;
//add any images to current gallery
foreach ($contents->files as $image) {
//check image is valid and ignore it if it isn't
if (!preg_match("/\\.(" . $this->config->recognised_extensions . ")\$/i", $image)) {
$imgInfo = GetImageSize($wd . '/' . $image);
switch ($imgInfo[2]) {
case 1:
$image .= '.gif';
break;
case 2:
$image .= '.jpg';
break;
case 3:
$image .= '.png';
break;
case 6:
$image .= '.bmp';
break;
case 7:
case 8:
$image .= '.tif';
break;
default:
$this->pushMessage($this->translator->_g("Uploaded image '%s' has unrecognised extension and image type could not be determined from file contents.", $image));
continue;
}
}
$path = $this->config->pathto_galleries . $this->gallery->id . "/" . $image;
$srcImage = $image;
if (file_exists($path)) {
switch ($this->config->upload_overwrite) {
case 1:
//overwrite
$this->deleteImage($image);
break;
case 2:
//generate unique
for ($i = 0; file_exists($path); $i++) {
$pivot = strrpos($srcImage, ".");
$image = substr($srcImage, 0, $pivot) . '-' . $i . substr($srcImage, $pivot, strlen($srcImage) - $pivot);
$path = $this->config->base_path . $this->config->pathto_galleries . $this->gallery->id . "/" . $image;
}
break;
case 0:
//raise error
//raise error
default:
$this->pushError($this->translator->_g("File '%s' already exists."));
$success = false;
continue;
}
}
copy($wd . '/' . $srcImage, $path);
// try to change file-permissions
@chmod($path, octdec($this->config->file_mode));
$img = new sgImage($image, $this->gallery);
$img->name = strtr(substr($image, strrpos($image, "/"), strrpos($image, ".") - strlen($image)), "_", " ");
list($img->width, $img->height, $img->type) = GetImageSize($path);
//leave owner of guest-uploaded files as default '__nobody__'
if (!$this->user->isGuest()) {
$img->owner = $this->user->username;
}
$this->gallery->images[] = $img;
}
//add any directories as subgalleries, if allowed
if ($this->config->allow_dir_upload == 1 && !$this->user->isGuest() || $this->config->allow_dir_upload == 2 && $this->user->isAdmin()) {
foreach ($contents->dirs as $gallery) {
$path = $this->config->pathto_galleries . $this->gallery->id . "/" . $gallery;
if (file_exists($path)) {
switch ($this->config->upload_overwrite) {
case 1:
//overwrite
$this->deleteGallery($this->gallery->id . '/' . $gallery);
break;
case 2:
//generate unique
for ($i = 0; file_exists($path); $i++) {
$path = $this->config->pathto_galleries . $this->gallery->id . "/" . $gallery . '-' . $i;
}
break;
case 0:
//raise error
//raise error
default:
$this->pushError($this->translator->_g("File '%s' already exists."));
$success = false;
continue;
}
}
//move from temp dir to gallery
rename($wd . '/' . $gallery, $path);
//change directory permissions (but not contents)
@chmod($path, octdec($this->config->directory_mode));
}
}
//if images were added save metadata
if (!empty($contents->files)) {
$this->io->putGallery($this->gallery) or $this->pushError($this->translator->_g("Unable to save metadata."));
}
//if subgalleries were added reload gallery data
if (!empty($contents->dirs)) {
$this->selectGallery();
}
//remove temporary directory
$this->rmdir_all($tmpdir);
if ($success) {
return $this->pushMessage($this->translator->_g("Archive contents added."));
} else {
return $this->pushError($this->translator->_g("Some archive contents could not be added."));
}
}
