Some changes & additions. (#2)

* Initial HID implementation.

Not everything may be right. I have to figure out some stuff tho.

* Add a tint param to `Gui::DrawSprite()`.

Also add Universal-Core logo.

hid.hpp

@@ -0,0 +1,59 @@
+/*
+*   This file is part of Universal-Core
+*   Copyright (C) 2020 DeadPhoenix8091, Epicpkmn11, Flame, RocketRobz, StackZ, TotallyNotGuy
+*
+*   This program is free software: you can redistribute it and/or modify
+*   it under the terms of the GNU 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 General Public License for more details.
+*
+*   You should have received a copy of the GNU General Public License
+*   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*
+*   Additional Terms 7.b and 7.c of GPLv3 apply to this file:
+*       * Requiring preservation of specified reasonable legal notices or
+*         author attributions in that material or in the Appropriate Legal
+*         Notices displayed by works containing it.
+*       * Prohibiting misrepresentation of the origin of that material,
+*         or requiring that modified versions of such material be marked in
+*         reasonable ways as different from the original version.
+*/
+
+#ifndef HID_HPP
+#define HID_HPP
+
+#include <cstddef>
+
+class HID
+{
+public:
+	// The parameters to initialize this class.
+	HID(size_t EntryPerPage, size_t EntryAmount);
+	// get the current index.
+	size_t getIndex();
+	// get the max amount of the index.
+	size_t getMaxEntries();
+	// Go to the next Entry, if maxEntries is not reached.
+	void nextEntry();
+	// Go to the last Entry, if 0 is not reached.
+	void lastEntry();
+	// Go to the next Page.
+	void nextPage();
+	// Go to the previous Page.
+	void prevPage();
+	// Get the current page.
+	size_t getPage();
+
+private:
+	size_t maxEntries;
+	size_t currentEntry = 0;
+	size_t pageEntry;
+	size_t currentPage = 0;
+};
+
+#endif