Qr stuff (#32)

QRs are now scanned and decoded, but they aren't downloaded.

include/camera.h

@@ -0,0 +1,40 @@
+/*
+*   This file is part of Anemone3DS
+*   Copyright (C) 2016-2017 Alex Taber ("astronautlevel"), Dawid Eckert ("daedreth")
+*
+*   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 CAMERA_H
+#define CAMERA_H
+
+#include "common.h"
+
+struct quirc* context;
+u16 *buf;
+bool qr_mode;
+
+void init_qr(void);
+void exit_qr(void);
+void take_picture(void);
+
+#endif

include/common.h

@@ -53,6 +53,7 @@ enum TextureID {
     TEXTURE_BATTERY_4,
     TEXTURE_BATTERY_5,
     TEXTURE_BATTERY_CHARGE,
+    TEXTURE_QR,
     TEXTURE_PREVIEW,
 };
 

include/draw.h

@@ -29,10 +29,13 @@
 
 #include "themes.h"
 #include "splashes.h"
+#include "camera.h"
 
 void init_screens(void);
 void exit_screens(void);
 
+void draw_base_interface(void);
+void draw_qr(void);
 void draw_theme_install(int install_type);
 void draw_theme_interface(Theme_s * themes_list, int theme_count, int selected_theme, bool preview_mode);
 void draw_splash_install(int install_type);

include/themes.h

@@ -34,7 +34,7 @@ typedef struct {
     u16 desc[0x80];
     u16 author[0x40];
     
-    bool has_icon;
+    u32 placeholder_color;
     ssize_t icon_id;
     
     bool has_preview;