dolphin/Source/Core/DiscIO/WiiSaveBanner.cpp

79 lines
2.0 KiB
C++

// Copyright 2009 Dolphin Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include "DiscIO/WiiSaveBanner.h"
#include <iterator>
#include <string>
#include <vector>
#include "Common/ColorUtil.h"
#include "Common/CommonTypes.h"
#include "Common/IOFile.h"
#include "Common/NandPaths.h"
#include "Common/StringUtil.h"
namespace DiscIO
{
constexpr u32 BANNER_WIDTH = 192;
constexpr u32 BANNER_HEIGHT = 64;
constexpr u32 BANNER_SIZE = BANNER_WIDTH * BANNER_HEIGHT * 2;
constexpr u32 ICON_WIDTH = 48;
constexpr u32 ICON_HEIGHT = 48;
constexpr u32 ICON_SIZE = ICON_WIDTH * ICON_HEIGHT * 2;
WiiSaveBanner::WiiSaveBanner(u64 title_id)
: WiiSaveBanner(Common::GetTitleDataPath(title_id, Common::FromWhichRoot::Configured) +
"/banner.bin")
{
}
WiiSaveBanner::WiiSaveBanner(const std::string& path) : m_path(path)
{
constexpr size_t MINIMUM_SIZE = sizeof(Header) + BANNER_SIZE + ICON_SIZE;
File::IOFile file(path, "rb");
if (!file.ReadArray(&m_header, 1))
{
m_header = {};
m_valid = false;
}
else if (file.GetSize() < MINIMUM_SIZE)
{
m_valid = false;
}
}
std::string WiiSaveBanner::GetName() const
{
return UTF16BEToUTF8(m_header.name, std::size(m_header.name));
}
std::string WiiSaveBanner::GetDescription() const
{
return UTF16BEToUTF8(m_header.description, std::size(m_header.description));
}
std::vector<u32> WiiSaveBanner::GetBanner(u32* width, u32* height) const
{
*width = 0;
*height = 0;
File::IOFile file(m_path, "rb");
if (!file.Seek(sizeof(Header), File::SeekOrigin::Begin))
return std::vector<u32>();
std::vector<u16> banner_data(BANNER_WIDTH * BANNER_HEIGHT);
if (!file.ReadArray(banner_data.data(), banner_data.size()))
return std::vector<u32>();
std::vector<u32> image_buffer(BANNER_WIDTH * BANNER_HEIGHT);
Common::Decode5A3Image(image_buffer.data(), banner_data.data(), BANNER_WIDTH, BANNER_HEIGHT);
*width = BANNER_WIDTH;
*height = BANNER_HEIGHT;
return image_buffer;
}
} // namespace DiscIO