serenity/Userland/Applications/SoundPlayer/AlbumCoverVisualizationWidget.cpp
2023-03-21 19:03:21 +00:00

72 lines
2.6 KiB
C++

/*
* Copyright (c) 2021, Cesar Torres <shortanemoia@protonmail.com>
* Copyright (c) 2022, the SerenityOS developers.
* Copyright (c) 2022, Nícolas F. R. A. Prado <n@nfraprado.net>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include "AlbumCoverVisualizationWidget.h"
#include <AK/LexicalPath.h>
#include <LibFileSystem/FileSystem.h>
#include <LibGUI/Painter.h>
#include <LibGfx/Rect.h>
AlbumCoverVisualizationWidget::AlbumCoverVisualizationWidget(Function<RefPtr<Gfx::Bitmap>()> get_file_cover_from_player)
: m_get_file_cover_from_player(move(get_file_cover_from_player))
{
}
void AlbumCoverVisualizationWidget::paint_event(GUI::PaintEvent& event)
{
Frame::paint_event(event);
GUI::Painter painter(*this);
auto const& cover = m_file_cover ? m_file_cover : m_album_cover;
if (cover) {
auto album_cover_rect = cover->rect();
auto height_ratio = frame_inner_rect().height() / (float)album_cover_rect.height();
auto width_ratio = frame_inner_rect().width() / (float)album_cover_rect.width();
auto scale = min(height_ratio, width_ratio);
Gfx::IntRect fitted_rect = { 0, 0, (int)(album_cover_rect.width() * scale), (int)(album_cover_rect.height() * scale) };
fitted_rect.center_within(frame_inner_rect());
painter.draw_scaled_bitmap(fitted_rect, *cover, cover->rect(), 1.0f);
} else {
if (!m_serenity_bg)
m_serenity_bg = Gfx::Bitmap::load_from_file("/res/wallpapers/sunset-retro.png"sv).release_value_but_fixme_should_propagate_errors();
painter.draw_scaled_bitmap(frame_inner_rect(), *m_serenity_bg, m_serenity_bg->rect(), 1.0f);
}
}
ErrorOr<NonnullRefPtr<Gfx::Bitmap>> AlbumCoverVisualizationWidget::get_album_cover(StringView const filename)
{
auto directory = LexicalPath::dirname(filename);
static constexpr auto possible_cover_filenames = Array { "cover.png"sv, "cover.jpg"sv };
for (auto& it : possible_cover_filenames) {
LexicalPath cover_path = LexicalPath::join(directory, it);
if (FileSystem::exists(cover_path.string()))
return Gfx::Bitmap::load_from_file(cover_path.string());
}
return Error::from_string_literal("No cover file found");
}
void AlbumCoverVisualizationWidget::start_new_file(StringView filename)
{
if (m_get_file_cover_from_player)
m_file_cover = m_get_file_cover_from_player();
if (m_file_cover)
return;
auto album_cover_or_error = get_album_cover(filename);
if (album_cover_or_error.is_error())
m_album_cover = nullptr;
else
m_album_cover = album_cover_or_error.value();
}