added qr code for radiosonde

firmware/application/ui/ui_qrcode.cpp

@@ -0,0 +1,100 @@
+/*
+ * Copyright (C) 2015 Jared Boone, ShareBrained Technology, Inc.
+ * Copyright (C) 2017 Furrtek
+ * 
+ * This file is part of PortaPack.
+ *
+ * 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 2, 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; see the file COPYING.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#include "ui_qrcode.hpp"
+#include "qrcodegen.hpp"
+#include "portapack.hpp"
+
+#include <cstring>
+#include <stdio.h>
+
+using namespace portapack;
+
+#include "string_format.hpp"
+#include "complex.hpp"
+
+
+namespace ui {
+
+QRCodeImage::QRCodeImage(
+	Rect parent_rect
+) : Widget { parent_rect }
+{
+	
+}
+
+void QRCodeImage::paint(Painter& painter) {
+	// The structure to manage the QR code
+	QRCode qrcode;
+	int qr_version = 10; // bigger versions aren't handled very well
+
+	// Allocate a chunk of memory to store the QR code
+	uint8_t qrcodeBytes[qrcode_getBufferSize(qr_version)];
+
+	qrcode_initText(&qrcode, qrcodeBytes, qr_version, ECC_HIGH, qr_text_);
+
+
+	display.fill_rectangle(Rect(92, 97, 63, 63), Color::white());
+
+	for (uint8_t y = 0; y < qrcode.size; y++) {
+    		for (uint8_t x = 0; x < qrcode.size; x++) {
+        		if (qrcode_getModule(&qrcode, x, y)) {
+            			display.draw_pixel(Point(95+x,100+y), Color::black());
+
+        		} 
+    		}
+	}
+}
+
+void QRCodeView::focus() {
+	button_close.focus();
+}
+
+QRCodeView::~QRCodeView() {
+	if (on_close_)
+		on_close_();
+}
+
+QRCodeView::QRCodeView(
+	NavigationView& nav,
+	const char * qr_text,
+	const std::function<void(void)> on_close
+) : nav_ (nav),
+	on_close_(on_close)
+{
+
+
+        add_children({
+		&text_qr,
+		&qr_code,
+		&button_close});
+        text_qr.set(qr_text);	
+	qr_code.set_text(qr_text);
+
+	button_close.on_select =  [&nav](Button&){
+		nav.pop();
+	};
+}
+
+
+
+} /* namespace ui */