mayhem-firmware/firmware/application/ui/ui_qrcode.cpp
2022-01-02 17:09:45 -05:00

101 lines
2.2 KiB
C++

/*
* 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 */