3 namespace Org\Mxchange\CoreFramework\Image;
5 // Import framework stuff
6 use Org\Mxchange\CoreFramework\Bootstrap\FrameworkBootstrap;
7 use Org\Mxchange\CoreFramework\Middleware\Debug\DebugMiddleware;
8 use Org\Mxchange\CoreFramework\Template\CompileableTemplate;
14 * A PNG image generator
16 * @author Roland Haeder <webmaster@shipsimu.org>
18 * @copyright Copyright (c) 2007, 2008 Roland Haeder, 2009 - 2023 Core Developer Team
19 * @license GNU GPL 3.0 or any newer version
20 * @link http://www.shipsimu.org
22 * This program is free software: you can redistribute it and/or modify
23 * it under the terms of the GNU General Public License as published by
24 * the Free Software Foundation, either version 3 of the License, or
25 * (at your option) any later version.
27 * This program is distributed in the hope that it will be useful,
28 * but WITHOUT ANY WARRANTY; without even the implied warranty of
29 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
30 * GNU General Public License for more details.
32 * You should have received a copy of the GNU General Public License
33 * along with this program. If not, see <http://www.gnu.org/licenses/>.
35 class PngImage extends BaseImage {
37 * Protected constructor
41 private function __construct () {
42 // Call parent constructor
43 parent::__construct(__CLASS__);
47 * Creates an instance of this image class
49 * @param $templateInstance A template instance
50 * @return $imageInstance An instance of this image class
52 public static final function createPngImage(CompileableTemplate $templateInstance) {
54 $imageInstance = new PngImage();
56 // Set template instance
57 $imageInstance->setTemplateInstance($templateInstance);
60 $imageInstance->setImageType('png');
62 // Return the instance
63 return $imageInstance;
67 * Finish this image by producing it
70 * @todo Rewrite this to SplFileInfo/Object
72 public function finishImage () {
73 DebugMiddleware::getSelfInstance()->partialStub('Unfinished method.');
77 parent::finishImage();
79 // Get a file name for our image
80 $cacheFile = $this->getTemplateInstance()->getImageCacheFile();
83 if (FrameworkBootstrap::isReadableFile($cacheFile)) {
85 unlink($cacheFile->getPathname());
88 // Finish the image and send it to a cache file
89 imagepng($this->getImageResource(), $cacheFile->getPathname(), 9, PNG_ALL_FILTERS);