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Add WiiSaveBanner class

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This class is similar to the BannerLoaderWii class that was
removed in ee694e32.
This commit is contained in:
JosJuice
2017-11-02 17:05:45 +01:00
parent c8710d0861
commit 5a6d90900e
12 changed files with 150 additions and 51 deletions
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78
Source/Core/DiscIO/WiiSaveBanner.cpp Normal file
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// Copyright 2009 Dolphin Emulator Project
// Licensed under GPLv2+
// Refer to the license.txt file included.
#include "DiscIO/WiiSaveBanner.h"
#include <string>
#include <vector>
#include "Common/ColorUtil.h"
#include "Common/CommonFuncs.h"
#include "Common/CommonTypes.h"
#include "Common/File.h"
#include "Common/NandPaths.h"
#include "Common/StringUtil.h"
namespace DiscIO
{
constexpr unsigned int BANNER_WIDTH = 192;
constexpr unsigned int BANNER_HEIGHT = 64;
constexpr unsigned int BANNER_SIZE = BANNER_WIDTH * BANNER_HEIGHT * 2;
constexpr unsigned int ICON_WIDTH = 48;
constexpr unsigned int ICON_HEIGHT = 48;
constexpr unsigned int ICON_SIZE = ICON_WIDTH * ICON_HEIGHT * 2;
WiiSaveBanner::WiiSaveBanner(u64 title_id)
: WiiSaveBanner(Common::GetTitleDataPath(title_id, Common::FROM_CONFIGURED_ROOT) + "banner.bin")
{
}
WiiSaveBanner::WiiSaveBanner(const std::string& path) : m_path(path), m_valid(true)
{
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, ArraySize(m_header.name));
}
std::string WiiSaveBanner::GetDescription() const
{
return UTF16BEToUTF8(m_header.description, ArraySize(m_header.description));
}
std::vector<u32> WiiSaveBanner::GetBanner(int* width, int* height) const
{
*width = 0;
*height = 0;
File::IOFile file(m_path, "rb");
if (!file.Seek(sizeof(Header), SEEK_SET))
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);
ColorUtil::decode5A3image(image_buffer.data(), banner_data.data(), BANNER_WIDTH, BANNER_HEIGHT);
*width = BANNER_WIDTH;
*height = BANNER_HEIGHT;
return image_buffer;
}
} // namespace DiscIO