/**
* Saves image to the file.
* @param string filename
* @param int quality 0..100 (for JPEG and PNG)
* @param int optional image type
* @return bool TRUE on success or FALSE on failure.
*/
public function save($file = NULL, $quality = NULL, $type = NULL)
{
if ($this->file === NULL) {
return parent::save($file, $quality, $type);
}
$quality = $quality === NULL ? '' : '-quality ' . max(0, min(100, (int) $quality));
if ($file === NULL) {
$this->execute("convert $quality -strip %input %output", $type === NULL ? self::PNG : $type);
readfile($this->file);
} else {
$this->execute("convert $quality -strip %input %output", (string) $file);
}
return TRUE;
}
private function _createTinyPlaceholderForGallery($galleryId, $fontFile, $fontSize)
{
$config = $this->getConfig();
$pattern = $config['tinyPlaceholderPattern'];
$placeholderFilename = sprintf($pattern, $galleryId);
$placeholderFilePath = $this->getTempDir() . '/' . $placeholderFilename;
if (!is_file($placeholderFilePath)) {
// create placeholder
$folder = $this->getFolder($galleryId);
$filename = $this->getGalleryIconPath($galleryId);
$image = Nette\Image::fromFile($filename);
$blank = Nette\Image::fromBlank(350, 100, Nette\Image::rgb(220, 220, 220));
$blank->place($image, 8, 8);
$rgb = $blank->rgb(0, 0, 0);
$imageResource = $blank->getImageResource();
$color = imagecolorallocatealpha($imageResource, $rgb['red'], $rgb['green'], $rgb['blue'], $rgb['alpha']);
$x = 100;
$y = 8 + $fontSize;
$text = 'Galerie';
imagettftext($imageResource, $fontSize, 0, $x, $y, $color, $fontFile, $text);
$x = 100;
$y = 8 + 3 * $fontSize;
$text = $folder['name'];
imagettftext($imageResource, $fontSize, 0, $x, $y, $color, $fontFile, $text);
$resultImage = new Nette\Image($imageResource);
$resultImage->save($placeholderFilePath);
}
return $this->getTempPath() . '/' . $placeholderFilename;
}
