mayhem-firmware/firmware/application/external/font_viewer/ui_font_viewer.cpp
Mark Thompson 29a36c8658
Revived Fonts Viewer as an External app (in Utilities menu) (#1484)
* Add files via upload
* Moved Font Viewer to external app
2023-10-11 07:43:56 +02:00

70 lines
2.3 KiB
C++

/*
* Copyright (C) 2023 Mark Thompson
*
* 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_font_viewer.hpp"
#include "ui_font_fixed_8x16.hpp"
#include "ui_styles.hpp"
#include "ui_painter.hpp"
#include "portapack.hpp"
using namespace portapack;
using namespace ui;
namespace ui::external_app::font_viewer {
/* DebugFontsView *******************************************************/
uint16_t DebugFontsView::display_font(Painter& painter, uint16_t y_offset, const Style* font_style, std::string_view font_name) {
auto char_width{font_style->font.char_width()};
auto char_height{font_style->font.line_height()};
auto cpl{((screen_width / char_width) - 6) & 0xF8}; // Display a multiple of 8 characters per line
uint16_t line_pos{y_offset};
painter.draw_string({0, y_offset}, *font_style, font_name);
// Displaying ASCII+extended characters from 0x20 to 0xFF
for (uint8_t c = 0; c <= 0xDF; c++) {
line_pos = y_offset + ((c / cpl) + 2) * char_height;
if ((c % cpl) == 0)
painter.draw_string({0, line_pos}, *font_style, "Ox" + to_string_hex(c + 0x20, 2));
painter.draw_char({((c % cpl) + 5) * char_width, line_pos}, *font_style, (char)(c + 0x20));
}
return line_pos + char_height;
}
void DebugFontsView::paint(Painter& painter) {
int16_t line_pos;
line_pos = display_font(painter, 32, &Styles::white, "Fixed 8x16");
display_font(painter, line_pos + 16, &Styles::white_small, "Fixed 5x8");
}
DebugFontsView::DebugFontsView(NavigationView& nav)
: nav_{nav} {
set_focusable(true);
}
} /* namespace ui::external_app::font_viewer */