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contributions/lib.imagetools/controller/imagetoolstest.controller.php

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<?php
/**
 * Provide a visual test page for image tools
 *
 * @ingroup ImageTools
 */
class ImagetoolstestController extends ControllerBase {
        /**
         * Return array of Route instances which are handled by this controller
         * 
         * @return array Array of Routes 
         */
        public function get_routes() {
                $ret = array();
                if (Config::has_feature(ConfigImageTools::IS_TEST_CONTROLLER_ENABLED)) {
                        $ret = array(
                                new ExactMatchRoute('imagetools/test/', $this, 'imagetools_test_index', new NoCacheCacheManager()),
                                new ParameterizedRoute('imagetools/test/image-{type:e:src,resize,crop,watermark,fit,resize-fit}', $this, 'imagetools_test_image', new NoCacheCacheManager())
                        );
                }
                return $ret;
        }

        /**
         * Show test main page and handle upload
         */
        public function action_imagetools_test_index(PageData $page_data) {
                $err = new Status();
                if ($page_data->has_post_data()) {
                        $err->merge($this->do_upload($page_data));
                }
                
                $page_data->status = $err;
                $view = ViewFactory::create_view(IViewFactory::CONTENT, 'imagetools/test/index', $page_data);
                $view->render();
        }
        
        /**
         * Upload file, and ally tools
         */
        protected function do_upload(PageData $page_data) {
                $ret = new Status();
                $post_item = $page_data->get_post()->get_item('upload');
                $i_err = Arr::get_item($post_item, 'error', UPLOAD_ERR_NO_FILE);
                switch ($i_err) {
                        case UPLOAD_ERR_OK:
                                $tmp_file = Arr::get_item($post_item, 'tmp_name', '');
                                //$org_file = Arr::get_item($post_item, 'name', '');
                                $this->apply_tools($tmp_file);                          
                                break;          
                        case UPLOAD_ERR_NO_FILE:
                                $ret->append('No file was uploaded');
                                break;                          
                        case UPLOAD_ERR_INI_SIZE:
                        case UPLOAD_ERR_FORM_SIZE:
                                $ret->append('The uploaded file is too big');
                                break;
                        default:
                                $ret->append('An unknown error code was retrieved while uploading the file.');
                                break;
                }
                return $ret;            
        }
        
        protected function apply_tools($tmp_file) {
                $tmp_dir = Config::get_value(Config::TEMP_DIR);
                Load::components('imagetoolsfactory');
                $tools = ImageToolsFactory::create_imagetools();
                $src = $tools->create_from_file($tmp_file);
                $src->save_to_file($tmp_dir . 'imgtooltest-src');
                
                $resized = $tools->resize($src, 300, 100);
                $resized->save_to_file($tmp_dir . 'imgtooltest-resize');

                $resized = $tools->resize_fit($src, 300, 100);
                $resized->save_to_file($tmp_dir . 'imgtooltest-resize-fit');
                
                $resized = $tools->crop($src, ($src->get_width() - 100) / 2, ($src->get_height() - 100) / 2, 100, 100);
                $resized->save_to_file($tmp_dir . 'imgtooltest-crop');          
                
                $watermark = $tools->watermark($src);
                $watermark->save_to_file($tmp_dir . 'imgtooltest-watermark');

                $resized = $tools->fit($src, 300, 100);
                $resized->save_to_file($tmp_dir . 'imgtooltest-fit');
        }
        
        /**
         * Show image
         */
        public function action_imagetools_test_image(PageData $page_data, $type) {
                $page_data->page_template = 'emptypage';
                $basepath = Config::get_value(Config::TEMP_DIR) . 'imgtooltest-' . $type;
                foreach(array('jpg' => 'jpeg', 'png' => 'png', 'gif' => 'gif') as $ext => $mime) {
                        $path = $basepath . '.' . $ext;
                        if (file_exists($path)) {
                                header('Content-Type: image/'. $mime);
                                $page_data->content = file_get_contents($path);
                        }
                }
                if (empty($page_data->content)) {
                        return self::NOT_FOUND;
                }
        }
}

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