public function preview_dimensions()
{
$dim = Moebooru\Resizer::reduce_to(['width' => $this->width, 'height' => $this->height], ['width' => 150, 'height' => 150]);
return [$dim['width'], $dim['height']];
}
public function generate_sample()
{
if (is_file($this->sample_path())) {
return true;
}
/**
* We can generate the sample image during upload or offline. Use tempfile_image_path
* if it exists, otherwise use file_path.
*/
$path = $this->tempfile_image_path();
if (!is_file($path)) {
$path = $this->file_path();
}
if (!is_file($path)) {
$this->errors()->add('file', 'not found');
return false;
}
# If we're not reducing the resolution for the sample image, only reencode if the
# source image is above the reencode threshold. Anything smaller won't be reduced
# enough by the reencode to bother, so don't reencode it and save disk space.
$sample_size = Moebooru\Resizer::reduce_to(['width' => $this->width, 'height' => $this->height], ['width' => CONFIG()->inline_sample_width, 'height' => CONFIG()->inline_sample_height]);
if ($sample_size['width'] == $this->width && $sample_size['height'] == $this->height && filesize($path) < CONFIG()->sample_always_generate_size) {
return true;
}
# If we already have a sample image, and the parameters havn't changed,
# don't regenerate it.
if ($sample_size['width'] == $this->sample_width && $sample_size['height'] == $this->sample_height) {
return true;
}
try {
Moebooru\Resizer::resize($this->file_ext, $path, $this->tempfile_sample_path(), $sample_size, 95);
} catch (Exception $e) {
$this->errors()->add('sample', "couldn't be created:" . $e->getMessage());
return false;
}
$this->sample_width = $sample_size['width'];
$this->sample_height = $sample_size['height'];
return true;
}
protected function generate_jpeg($force_regen = false)
{
if ($this->gif() || !$this->image()) {
return true;
} elseif (!CONFIG()->jpeg_enable) {
return true;
} elseif (!$this->width && !$this->height) {
return true;
}
# Only generate JPEGs for PNGs. Don't do it for files that are already JPEGs; we'll just add
# artifacts and/or make the file bigger. Don't do it for GIFs; they're usually animated.
if ($this->file_ext != "png") {
return true;
}
# We can generate the image during upload or offline. Use tempfile_path
#- if it exists, otherwise use file_path.
$path = $this->tempfile_path();
// path = file_path unless File.exists?(path)
// unless File.exists?(path)
// record_errors.add(:file, "not found")
// return false
// end
# If we already have the image, don't regenerate it.
if (!$force_regen && ctype_digit((string) $this->jpeg_width)) {
return true;
}
$size = Moebooru\Resizer::reduce_to(array('width' => $this->width, 'height' => $this->height), array('width' => CONFIG()->jpeg_width, 'height' => CONFIG()->jpeg_height), CONFIG()->jpeg_ratio);
try {
Moebooru\Resizer::resize($this->file_ext, $path, $this->tempfile_jpeg_path(), $size, CONFIG()->jpeg_quality['max']);
} catch (Moebooru\Exception\ResizeErrorException $e) {
$this->errors()->add("jpeg", "couldn't be created: {$e->getMessage()}");
return false;
}
$this->jpeg_width = $size['width'];
$this->jpeg_height = $size['height'];
$this->jpeg_size = filesize($this->tempfile_jpeg_path());
# iTODO: enable crc32 for jpg.
$crc32_accum = 0;
return true;
}
public static function save_search($file_contents)
{
$tempfile_path_resize = $tempfile_path = $file_path = null;
try {
if (!is_dir(self::search_cache_dir())) {
mkdir(self::search_cache_dir());
}
while (true) {
$tempfile_path = self::search_cache_dir() . "/" . uniqid('', true) . ".upload";
if (!is_file($tempfile_path)) {
break;
}
}
$fh = fopen($tempfile_path, 'a');
fclose($fh);
file_put_contents($tempfile_path, $file_contents);
# Use the resizer to validate the file and convert it to a thumbnail-size JPEG.
$imgsize = getimagesize($tempfile_path);
$exts = [false, 'gif', 'jpg', 'png', 'swf', 'psd', 'bmp', 'tiff', 'tiff', 'jpc', 'jp2', 'jpx', 'jb2', 'swc', 'iff', 'wbmp', 'xbm'];
if (!$imgsize || !$imgsize[2] || !isset($exts[$imgsize[2]])) {
throw new Moebooru\Exception\ResizeErrorException("Unrecognized image format");
}
$ret = [];
$ret['original_width'] = $imgsize[0];
$ret['original_height'] = $imgsize[1];
$size = Moebooru\Resizer::reduce_to(['width' => $ret['original_width'], 'height' => $ret['original_height']], ['width' => 150, 'height' => 150]);
$ext = $exts[$imgsize[2]];
$tempfile_path_resize = $tempfile_path . ".2";
Moebooru\Resizer::resize($ext, $tempfile_path, $tempfile_path_resize, $size, 95);
rename($tempfile_path_resize, $tempfile_path);
$md5 = md5_file($tempfile_path);
$id = $md5 . "." . $ext;
$file_path = self::search_cache_dir() . "/" . $id;
rename($tempfile_path, $file_path);
# Finally block
if (is_dir($tempfile_path)) {
rmdir($tempfile_path);
}
if (is_file($tempfile_path_resize)) {
rmdir($tempfile_path_resize);
}
// chmod($file_path, 0664);
} catch (Exception $e) {
# Finally block
if (is_dir($tempfile_path)) {
rmdir($tempfile_path);
}
if (is_file($tempfile_path_resize)) {
rmdir($tempfile_path_resize);
}
if (is_dir($file_path)) {
rmdir($file_path);
}
throw $e;
}
/*
TODO:
finally {
if (is_dir($tempfile_path))
rmdir($tempfile_path);
if (is_file($tempfile_path_resize))
rmdir($tempfile_path_resize);
}
*/
$ret['file_path'] = $file_path;
$ret['search_id'] = $id;
return $ret;
}
private function _reduce_and_crop($image_width, $image_height, $params)
{
$cropped_image_width = $image_width * ($params['right'] - $params['left']);
$cropped_image_height = $image_height * ($params['bottom'] - $params['top']);
$size = Moebooru\Resizer::reduce_to(['width' => $cropped_image_width, 'height' => $cropped_image_height], ['width' => CONFIG()->avatar_max_width, 'height' => CONFIG()->avatar_max_height], 1, true);
$size['crop_top'] = $image_height * $params['top'];
$size['crop_bottom'] = $image_height * $params['bottom'];
$size['crop_left'] = $image_width * $params['left'];
$size['crop_right'] = $image_width * $params['right'];
return $size;
}