3 namespace Org\Mxchange\CoreFramework\Image;
5 // Import framework stuff
6 use Org\Mxchange\CoreFramework\Bootstrap\FrameworkBootstrap;
7 use Org\Mxchange\CoreFramework\Template\CompileableTemplate;
13 * A PNG image generator
15 * @author Roland Haeder <webmaster@shipsimu.org>
17 * @copyright Copyright (c) 2007, 2008 Roland Haeder, 2009 - 2023 Core Developer Team
18 * @license GNU GPL 3.0 or any newer version
19 * @link http://www.shipsimu.org
21 * This program is free software: you can redistribute it and/or modify
22 * it under the terms of the GNU General Public License as published by
23 * the Free Software Foundation, either version 3 of the License, or
24 * (at your option) any later version.
26 * This program is distributed in the hope that it will be useful,
27 * but WITHOUT ANY WARRANTY; without even the implied warranty of
28 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
29 * GNU General Public License for more details.
31 * You should have received a copy of the GNU General Public License
32 * along with this program. If not, see <http://www.gnu.org/licenses/>.
34 class PngImage extends BaseImage {
36 * Protected constructor
40 private function __construct () {
41 // Call parent constructor
42 parent::__construct(__CLASS__);
46 * Creates an instance of this image class
48 * @param $templateInstance A template instance
49 * @return $imageInstance An instance of this image class
51 public static final function createPngImage(CompileableTemplate $templateInstance) {
53 $imageInstance = new PngImage();
55 // Set template instance
56 $imageInstance->setTemplateInstance($templateInstance);
59 $imageInstance->setImageType('png');
61 // Return the instance
62 return $imageInstance;
66 * Finish this image by producing it
69 * @todo Rewrite this to SplFileInfo/Object
71 public function finishImage () {
72 $this->partialStub('Unfinished method.');
76 parent::finishImage();
78 // Get a file name for our image
79 $cacheFile = $this->getTemplateInstance()->getImageCacheFile();
82 if (FrameworkBootstrap::isReadableFile($cacheFile)) {
84 unlink($cacheFile->getPathname());
87 // Finish the image and send it to a cache file
88 imagepng($this->getImageResource(), $cacheFile->getPathname(), 9, PNG_ALL_FILTERS);