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/*
* Copyright (C) 2015 Jared Boone, ShareBrained Technology, Inc.
* Copyright (C) 2016 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 "cpld_update.hpp"
#include "portapack.hpp"
#include "event_m0.hpp"
#include "ui_about.hpp"
#include "portapack_shared_memory.hpp"
#include "portapack_persistent_memory.hpp"
#include "lpc43xx_cpp.hpp"
#include <math.h>
#include <cstring>
using namespace lpc43xx;
using namespace portapack;
namespace ui {
// This is pretty much WaterfallView but in the opposite direction
CreditsWidget::CreditsWidget(
Rect parent_rect)
: Widget{parent_rect} {
}
void CreditsWidget::paint(Painter&) {
}
void CreditsWidget::on_show() {
clear();
const auto screen_r = screen_rect();
display.scroll_set_area(screen_r.top(), screen_r.bottom());
}
void CreditsWidget::on_hide() {
display.scroll_disable();
}
void CreditsWidget::new_row(
const std::array<Color, 240>& pixel_row) {
// Glitch be here (see comment in main.cpp)
const auto draw_y = display.scroll(-1);
display.draw_pixels(
{{0, draw_y - 1}, {240, 1}},
pixel_row);
}
void CreditsWidget::clear() {
display.fill_rectangle(
screen_rect(),
Color::black());
}
void AboutView::update() {
size_t i = 0;
std::array<Color, 240> pixel_row;
slow_down++;
if (slow_down % 3 < 2) return;
if (!timer) {
if (loop) {
credits_index = 0;
loop = false;
}
text = credits[credits_index].text;
timer = credits[credits_index].delay;
start_pos = credits[credits_index].start_pos;
if (timer < 0) {
timer = 240;
loop = true;
} else
timer += 16;
render_line = 0;
credits_index++;
} else
timer--;
if (render_line < 16) {
for (const auto c : text) {
const auto glyph = style().font.glyph(c);
const size_t start = (glyph.size().width() / 8) * render_line;
for (Dim c = 0; c < glyph.size().width(); c++) {
const auto pixel = glyph.pixels()[start + (c >> 3)] & (1U << (c & 0x7));
pixel_row[start_pos + i + c] = pixel ? Color::white() : Color::black();
}
const auto advance = glyph.advance();
i += advance.x();
}
render_line++;
}
credits_display.new_row(pixel_row);
}
AboutView::AboutView(
NavigationView& nav) {
add_children({&credits_display,
&button_ok});
button_ok.on_select = [&nav](Button&) {
nav.pop();
};
}
void AboutView::focus() {
button_ok.focus();
}
} /* namespace ui */