--- /dev/null
+<?php
+/**
+ * @copyright Copyright (c) 2016 Julius Haertl <jus@bitgrid.net>
+ *
+ * @author Julius Haertl <jus@bitgrid.net>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+namespace OCA\Theming\Controller;
+
+use OCA\Theming\Template;
+use OCP\AppFramework\Controller;
+use OCP\AppFramework\Http;
+use OCP\AppFramework\Http\DataResponse;
+use OCP\AppFramework\Http\DataDisplayResponse;
+use OCP\AppFramework\Http\StreamResponse;
+use OCP\AppFramework\Utility\ITimeFactory;
+use OCP\Files\IRootFolder;
+use OCP\IConfig;
+use OCP\IL10N;
+use OCP\IRequest;
+use OCA\Theming\Util;
+use OCP\IURLGenerator;
+use Imagick;
+use ImagickPixel;
+
+class IconController extends Controller {
+ /** @var Template */
+ private $template;
+ /** @var Util */
+ private $util;
+ /** @var ITimeFactory */
+ private $timeFactory;
+ /** @var IL10N */
+ private $l;
+ /** @var IConfig */
+ private $config;
+ /** @var IRootFolder */
+ private $rootFolder;
+
+ /**
+ * IconController constructor.
+ *
+ * @param string $appName
+ * @param IRequest $request
+ * @param IConfig $config
+ * @param Template $template
+ * @param Util $util
+ * @param ITimeFactory $timeFactory
+ * @param IL10N $l
+ * @param IRootFolder $rootFolder
+ */
+ public function __construct(
+ $appName,
+ IRequest $request,
+ IConfig $config,
+ Template $template,
+ Util $util,
+ ITimeFactory $timeFactory,
+ IL10N $l,
+ IRootFolder $rootFolder
+ ) {
+ parent::__construct($appName, $request);
+
+ $this->template = $template;
+ $this->util = $util;
+ $this->timeFactory = $timeFactory;
+ $this->l = $l;
+ $this->config = $config;
+ $this->rootFolder = $rootFolder;
+ }
+
+ /**
+ * @PublicPage
+ * @NoCSRFRequired
+ *
+ * @param $app app name
+ * @param $image image file name
+ * @return StreamResponse|DataResponse
+ */
+ public function getThemedIcon($app, $image) {
+ $image = $this->getAppImage($app, $image);
+ $svg = file_get_contents($image);
+ $color = $this->template->getMailHeaderColor();
+ $svg = $this->colorizeSvg($svg, $color);
+ return new DataDisplayResponse($svg, Http::STATUS_OK, ['Content-Type' => 'image/svg+xml']);
+ }
+
+ /**
+ * Return a 32x32 favicon as png
+ *
+ * @PublicPage
+ * @NoCSRFRequired
+ *
+ * @param $app app name
+ * @return StreamResponse|DataResponse
+ */
+ public function getFavicon($app) {
+ // TODO: we need caching here
+ $icon = $this->renderAppIcon($app);
+ $icon->resizeImage(32, 32, Imagick::FILTER_LANCZOS, 1);
+ $icon->setImageFormat("png24");
+
+ $response = new DataDisplayResponse($icon, Http::STATUS_OK, ['Content-Type' => 'image/x-icon']);
+ $response->cacheFor(3600);
+ $response->addHeader('Expires', date(\DateTime::RFC2822, $this->timeFactory->getTime()));
+ return $response;
+ }
+
+ private function renderAppIcon($app) {
+ $appIcon = $this->getAppIcon($app);
+ $color = $this->config->getAppValue($this->appName, 'color');
+ if ($color === "") {
+ $color = '#0082c9';
+ }
+ $svg = file_get_contents($appIcon);
+ if ($this->util->invertTextColor($color)) {
+ $svg = $this->svgInvert($svg);
+ }
+
+ // generate background image with rounded corners
+ $background = '<?xml version="1.0" encoding="UTF-8"?>' .
+ '<svg xmlns="http://www.w3.org/2000/svg" version="1.1" xmlns:cc="http://creativecommons.org/ns#" width="512" height="512" xmlns:xlink="http://www.w3.org/1999/xlink">' .
+ '<rect x="0" y="0" rx="75" ry="75" width="512" height="512" style="fill:' . $color . ';" />' .
+ '</svg>';
+
+ $tmp = new Imagick();
+ $tmp->readImageBlob($svg);
+ $x = $tmp->getImageWidth();
+ $y = $tmp->getImageHeight();
+ $res = $tmp->getImageResolution();
+ $tmp->destroy();
+
+ // convert svg to resized image
+ $appIconFile = new Imagick();
+ $resX = (int)(512 * $res['x'] / $x * 2.53);
+ $resY = (int)(512 * $res['y'] / $y * 2.53);
+ $appIconFile->setResolution($resX, $resY);
+ $appIconFile->setBackgroundColor(new ImagickPixel('transparent'));
+ $appIconFile->readImageBlob($svg);
+ $appIconFile->setImageFormat("png24");
+
+ // offset for icon positioning
+ $offset_w = (int)($appIconFile->getImageWidth() * 0.05);
+ $offset_h = (int)($appIconFile->getImageHeight() * 0.05);
+ // center icon if it is not square
+ if ($x > $y) {
+ $offset_h += 512 / 2 - $appIconFile->getImageHeight() / 2;
+ }
+ if ($y > $x) {
+ $offset_h += 512 / 2 - $appIconFile->getImageHeight() / 2;
+ }
+
+ $innerWidth = (int)($appIconFile->getImageWidth() - $offset_w * 2);
+ $innerHeight = (int)($appIconFile->getImageHeight() - $offset_h * 2);
+ $appIconFile->adaptiveResizeImage($innerWidth, $innerHeight);
+
+ $finalIconFile = new Imagick();
+ $finalIconFile->readImageBlob($background);
+ $finalIconFile->setImageVirtualPixelMethod(Imagick::VIRTUALPIXELMETHOD_TRANSPARENT);
+ $finalIconFile->setImageArtifact('compose:args', "1,0,-0.5,0.5");
+ $finalIconFile->compositeImage($appIconFile, Imagick::COMPOSITE_ATOP, $offset_w, $offset_h);
+ $appIconFile->destroy();
+ return $finalIconFile;
+ }
+
+ private function getAppIcon($app) {
+ $appPath = \OC_App::getAppPath($app);
+
+ $icon = $appPath . '/img/' . $app . '.svg';
+ if(file_exists($icon)) {
+ return $icon;
+ }
+ $icon = $appPath . '/img/app.svg';
+ if(file_exists($icon)) {
+ return $icon;
+ }
+
+ return \OC::$SERVERROOT . '/core/img/logo.svg';
+ }
+
+ private function getAppImage($app, $image) {
+ // TODO: add support for images in core/img/
+ $appPath = \OC_App::getAppPath($app);
+
+ if($app==="core") {
+ $icon = \OC::$SERVERROOT . '/core/img/' . $image;
+ if(file_exists($icon)) {
+ return $icon;
+ }
+ }
+
+ $icon = $appPath . '/img/' . $image;
+ if(file_exists($icon)) {
+ return $icon;
+ }
+ $icon = $appPath . '/img/' . $image . '.svg';
+ if(file_exists($icon)) {
+ return $icon;
+ }
+ $icon = $appPath . '/img/' . $image . '.png';
+ if(file_exists($icon)) {
+ return $icon;
+ }
+ $icon = $appPath . '/img/' . $image . '.gif';
+ if(file_exists($icon)) {
+ return $icon;
+ }
+ $icon = $appPath . '/img/' . $image . '.jpg';
+ if(file_exists($icon)) {
+ return $icon;
+ }
+ }
+
+ private function svgInvert($svg) {
+ $svg = preg_replace('/#(f{3,6})/i', '#REPLACECOLOR', $svg);
+ $svg = preg_replace('/#(0{3,6})/i', '#ffffff', $svg);
+ $svg = preg_replace('/#(REPLACECOLOR)/i', '#000000', $svg);
+ return $svg;
+ }
+
+ private function colorizeSvg($svg, $color) {
+ $svg = preg_replace('/#0082c9/i', $color, $svg);
+ return $svg;
+ }
+
+}
\ No newline at end of file
projects / nextcloud-server.git / commitdiff