135 lines
3.9 KiB
C++
135 lines
3.9 KiB
C++
/*
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* Copyright (C) 2023 Kyle Reed
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* Copyright (C) 2023 Mark Thompson
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*
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* This file is part of PortaPack.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street,
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* Boston, MA 02110-1301, USA.
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*/
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#include "ui_ss_viewer.hpp"
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using namespace portapack;
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namespace fs = std::filesystem;
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namespace ui {
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const std::filesystem::path current_using_splash_image{u"/splash.bmp"};
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ScreenshotViewer::ScreenshotViewer(
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NavigationView& nav,
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const std::filesystem::path& path)
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: nav_{nav},
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path_{path} {
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set_focusable(true);
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}
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bool ScreenshotViewer::on_key(KeyEvent) {
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nav_.pop();
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return true;
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}
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void ScreenshotViewer::paint(Painter& painter) {
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File file{};
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painter.fill_rectangle({0, 0, screen_width, screen_height}, Color::black());
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auto show_invalid = [&]() {
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painter.draw_string({10, 160}, Styles::white, "Not a valid screenshot.");
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};
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auto error = file.open(path_);
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if (error) {
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painter.draw_string({10, 160}, Styles::white, error->what());
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return;
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}
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// Screenshots from PNGWriter are all this size.
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if (file.size() != 232383) {
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show_invalid();
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return;
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}
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constexpr size_t read_chunk = 80; // NB: must be a factor of pixel_width.
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constexpr size_t buffer_size = sizeof(ColorRGB888) * read_chunk;
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uint8_t buffer[buffer_size];
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std::array<Color, screen_width> pixel_data;
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// Seek past all the headers.
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file.seek(43);
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for (auto line = 0u; line < screen_height; ++line) {
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// Seek past the per-line header.
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file.seek(file.tell() + 6);
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// Per comment in PNGWriter, read in chunks of 80.
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// NB: Reading in one large chunk caused corruption so there's
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// likely a bug lurking in the SD Card/FatFs layer.
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for (auto offset = 0u; offset < screen_width; offset += read_chunk) {
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auto read = file.read(buffer, buffer_size);
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if (!read || *read != buffer_size) {
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show_invalid();
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return;
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}
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auto c8 = (ColorRGB888*)buffer;
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for (auto i = 0u; i < read_chunk; ++i) {
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pixel_data[i + offset] = Color(c8->r, c8->g, c8->b);
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++c8;
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}
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}
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display.draw_pixels({0, (int)line, screen_width, 1}, pixel_data);
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}
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}
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SplashViewer::SplashViewer(
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NavigationView& nav,
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const std::filesystem::path& path)
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: nav_{nav},
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path_{path} {
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valid_image = false;
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set_focusable(true);
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}
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bool SplashViewer::on_key(const KeyEvent key) {
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if (valid_image && key == KeyEvent::Right) {
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delete_file(current_using_splash_image);
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copy_file(path_, current_using_splash_image);
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}
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nav_.pop();
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return true;
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}
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void SplashViewer::paint(Painter& painter) {
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painter.fill_rectangle({0, 0, screen_width, screen_height}, Color::black());
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if (!portapack::display.drawBMP2({0, 0}, path_)) {
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painter.draw_string({10, 160}, Styles::white, "Not a valid splash image.");
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return;
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}
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// Show option to set splash screen if it's not already the splash screen
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if (!path_iequal(path_, current_using_splash_image)) {
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painter.draw_string({0, 0}, Styles::white, "*RIGHT BUTTON UPDATES SPLASH*");
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valid_image = true;
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}
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}
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} // namespace ui
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