79 lines
2.0 KiB
C++
79 lines
2.0 KiB
C++
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// Copyright 2009 Dolphin Emulator Project
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// Licensed under GPLv2+
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// Refer to the license.txt file included.
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#include "DiscIO/WiiSaveBanner.h"
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#include <string>
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#include <vector>
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#include "Common/ColorUtil.h"
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#include "Common/CommonFuncs.h"
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#include "Common/CommonTypes.h"
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#include "Common/File.h"
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#include "Common/NandPaths.h"
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#include "Common/StringUtil.h"
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namespace DiscIO
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{
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constexpr unsigned int BANNER_WIDTH = 192;
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constexpr unsigned int BANNER_HEIGHT = 64;
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constexpr unsigned int BANNER_SIZE = BANNER_WIDTH * BANNER_HEIGHT * 2;
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constexpr unsigned int ICON_WIDTH = 48;
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constexpr unsigned int ICON_HEIGHT = 48;
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constexpr unsigned int ICON_SIZE = ICON_WIDTH * ICON_HEIGHT * 2;
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WiiSaveBanner::WiiSaveBanner(u64 title_id)
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: WiiSaveBanner(Common::GetTitleDataPath(title_id, Common::FROM_CONFIGURED_ROOT) + "banner.bin")
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{
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}
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WiiSaveBanner::WiiSaveBanner(const std::string& path) : m_path(path), m_valid(true)
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{
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constexpr size_t MINIMUM_SIZE = sizeof(Header) + BANNER_SIZE + ICON_SIZE;
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File::IOFile file(path, "rb");
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if (!file.ReadArray(&m_header, 1))
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{
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m_header = {};
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m_valid = false;
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}
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else if (file.GetSize() < MINIMUM_SIZE)
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{
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m_valid = false;
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}
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}
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std::string WiiSaveBanner::GetName() const
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{
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return UTF16BEToUTF8(m_header.name, ArraySize(m_header.name));
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}
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std::string WiiSaveBanner::GetDescription() const
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{
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return UTF16BEToUTF8(m_header.description, ArraySize(m_header.description));
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}
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std::vector<u32> WiiSaveBanner::GetBanner(int* width, int* height) const
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{
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*width = 0;
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*height = 0;
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File::IOFile file(m_path, "rb");
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if (!file.Seek(sizeof(Header), SEEK_SET))
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return std::vector<u32>();
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std::vector<u16> banner_data(BANNER_WIDTH * BANNER_HEIGHT);
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if (!file.ReadArray(banner_data.data(), banner_data.size()))
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return std::vector<u32>();
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std::vector<u32> image_buffer(BANNER_WIDTH * BANNER_HEIGHT);
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ColorUtil::decode5A3image(image_buffer.data(), banner_data.data(), BANNER_WIDTH, BANNER_HEIGHT);
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*width = BANNER_WIDTH;
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*height = BANNER_HEIGHT;
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return image_buffer;
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}
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} // namespace DiscIO
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